Thiet Ke Nodeb Cho 3g Wcdma Umts

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Mục Lục

MỤC LỤC MỤC LỤC...............................................................................................................i DANH MỤC HÌNH VẼ.........................................................................................iv DANH MỤC BẢNG BIỂU.................................................................................... BIỂU....................................................................................vi vi THUẬT NGỮ VIẾT TẮT............................................. TẮT.................................................................................... ......................................... vii MỞ ĐẦU................................................................................................................. ĐẦU.................................................................................................................11 CHƯNG I T!NG "UAN V# V# GIA$ DI%N V& TU'ẾN (G )CDMA UMT*..+ UMT*. .+ 1.1. GI,I THI%U................................................................................................+ 1.+. -IẾN T/C T/C GIA$ TH0C TH0C CA GIA$ DI%N DI%N V& TU'ẾN )CDMA... )CDMA.. . . .2 1.(. C3C -4NH CA )CDMA................................................................. )CDMA....................................................................... ......55 1.(.1. C67 89:; <=>i7............................................................................... <=>i7...................................................................................... ....... 5 1.(.+ C67 89:; ?@: ?i...................................................... ?i.......................................................................... .......................... ...... 5 1.(.( C67 89:; vE? OP ?: ?: v  ;=W7; ?: OP............................................ OP.................................................... ................. .........1X 1X 1.5. ĐI#U -HIỂN -HIỂN C&NG *UYT *UYT T$NG T$NG )CDMA......................................12 )CDMA......................................12 1.5.1. Đi 8;iZ: 7:> 7:> O[? v\:> 8]: 8]: ^_`:> <9:...........................................12 <9:...........................................12 1.5.+. Đi 8;iZ: 8;iZ: 7:> 7:> O[? O[? v\:> ?@=:> ^_`:> ^_`:> <9:................................ <9:........................ ............... .......15 15 1.5.(. Đi 8;iZ: 8;iZ: 7:> O[? O[? v\:> :>=i :>=i ^_`:> <9:...................................... <9:.......................................15 .15 1.5.2. Đi 8;iZ: 7:> 7:> O[? v\:> 8]: 8]: ^_`:> aP:>......................................1 aP:>......................................1 1.. C3C -I#U CHU'ỂN GIA$ T$NG T$NG )CDMA................................ )CDMA.....................................1 .....1 1..1. C;Z: >ib= 7c:>............................................ 7c:>............................................................................ ................................... ...1 1 1..+. C;Z: >ib= ddedd ;f:............................................................... 1g 1.g. ĐhC ĐIỂM - THUẬT THUẬT TM GC..................................................... GC.....................................................1j 1j 1.g.1. *f ^k ?l:> ?l:> 6? d6 R;6? v d6 ?;.................................................1j 1.g.+. Đm7 îZd îZd 8n ?;E? ?@Wd ?@Wd >P7............................................................... >P7................................................................1 .1 1.j. -ẾT LUẬN CHƯNG I........................................................................... I...........................................................................++ ++

Phạm Văn An An – Lớp D06VT1

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Mục Lục

CHƯNG II THIẾT -Ế TM GCoN$DpB CH$ (G )CDMA )CDMA UMT*....... UMT*.. .....+( +( +.1. GI,I THI%U..............................................................................................+( +.1. -IẾN T/C T/C C *Ở CA (G )CDMA )CDMA UMT* BT*..............................+ BT*......................... .....+ +.+. VYN Đ# Đ# THIẾT THIẾT -Ế BqNG BqNG GC........................................................ GC............................................................ ....+j +j +.+.1. C67 7;c7 :S:> rS:> >P7................................................................. >P7..................................................................... ....+j +j +.+.+. C67 8;]b 7W:; ?;is? 8s rS:> >P7............................................... >P7...................................... ................. ..........+ ..+ +.+.(. T;is? 8s R;is: at >P7 R;6? uTB BB w.....................................(X +.+.2. T;is? 8s R;is: at >P7 ?; uAB BBw.....................................(+ +.(. +.(. TM TM GC ĐA CHUxN CHUxN ĐA BqNG BqNG VK C&NG NGH% NGH% V& TU'ẾN TU'ẾN ĐƯyC ĐzNH NGH{A B|NG HẦN M#M...........................................................(5 M#M........................................................ ...(5 +.(.1. GiQi ?;i}............................................................................................(5 +.(.+. N>9: ................................. rS:>......................... .........( .( +.(.(. -is: ?@€7 ?@€7 ^ R;6? R;6? ?; v v ?s: ^b rS:> uMBpw............................ uMBpw................... ...........(g ..(g +.(.2. -is: ?@€7 ?l:> 6? 7•b d‚? ;} ?;P:> ?;P:> v ?s: *D..........................2X *D..........................2X +.(.5. -is: ?@€7 ?@€7 :: ?:> rS:> rS:> >P7 >P7 ^b 7;ƒ:........................................ 7;ƒ:................................................ ........2+ 2+ +.(.. V ?s: ?s: 8; R;: dd....................... dd............................... ................. ..........22 .22 +.2. B† -HUẾCH ĐI C&NG *UYT ĐA *‡NG MANG uMCAw... uMCAw........ ......... .......2 ...2 +.2.1. C67 8n ?;E? ?;E? 8;s7; 8;s7; ^Wi 7:> O[? O[? v ?s:................................. ?s:....................................... ......2g 2g +.2.+. C67 7:> :>;} MCA MCA 7;= )CDMA..................................................2g )CDMA..................................................2g +.2.(. MCA MCA Otb dˆ= ?;E:........................................ ?;E:........................................................ ......................... ................. ........2g 2g +.2.2. MCA MCA vQi <d dˆ= :>_‰7 :>_‰7 ?@=:> di: OP........................................... OP...........................................5+ 5+ +.5. TM GC HŠN HŠN B uDB*w.................................................................5j +.5.1. C;Z: ?‹ 8is: ?@€7 ?@€7 B* ?ER ?@:> Ob:> 8is: ?@€7 B* R;Œ: rP..............5j rP.......... ....5j +.5.+. Hbi >ii R;6R DB*.............................................................................. 5 +.5.(. C67 7[ ;„:; dW:> DB*..................................................................... DB*.....................................................................X X +.. CYU HÌNH HÌNH MNG MNG BBU VK U T$NG T$NG MNG MNG DB*....... DB*............ .......... ......... ....2 2 +.g. -ẾT LUẬN CHƯNG II...................................................... II............................................................... ................. ............5 5 CHƯNG III THIẾT Bz HUA)p HUA)pII (XX N$DpB.................................... N$DpB............................................ .......... .. (.1. GI,I THI%U.............................................................................................. (.+. HUA)pI BT*(XX................................................................................... (.+.1. C67 ^m7 ?]:; 7;]:;.............................................. 7;]:;........................................................... ..................... ................. .............  Phạm Văn An An – Lớp D06VT1

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Mục Lục

(.+.+. -is: ?@€7 ?@€7 7;:> 7;:> 7•b BT*(XX........................................................... BT*(XX............................................................g .g (.+.(. Đf: v at DB*(XX..................................................... DB*(XX.............................................................. ..........g1 .g1 (.(.(. C[ ?@€7 R;: v ?s: ^m? ^m? ab DB*(XX.......................................... DB*(XX............................................g+ ..g+ (.(.2. C[ ?@€7 BBU ?@=:> DB*(XX........................................ DB*(XX................................................. ................. ..........g2 ..g2 (.2. -ẾT LUẬN CHƯNG III................................................................ III........................................................................ ........g2 g2 CHƯNG IV TIỂN TIỂN -HAI N$DpoB N$DpoB CH$ MNG (G TI VI%T VI%T NAM..... NAM... ........g ..g 2.1. TIỂN -HAI N$DpoB TI M$BI$Np.................................. M$BI$Np.......................................... ............. .....g g 2.+. TIỂN -HAI N$DpoB N$DpoB TI VINAH$Np....................................... VINAH$Np............................................. ......gj gj 2.(. -ẾT LUẬN CHƯNG IV........................................................................ j+ -ẾT LUẬN...........................................................................................................j( TKI LI%U THAM -HẢ$.....................................................................................j2


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Dnh mục h!nh "#

DANH MỤC HÌNH V H„:; 1. 1Ž -is: ?@€7 ;} ?;P:> ?;P:> (G )CDMA )CDMA UMT*.................................................. UMT*...................................................... ....++ H„:; 1. +Ž -is: ?@€7 ?@€7 >ib= ?;c7 7•b >ib= i}: i}: v ?s: ?s: )CDMA.......... )CDMA.................. ................ ............... .......22 H„:; 1. (Ž G;ˆR 767 767 89:; ?@: ?@: ?i <9: 89:; vE? 7 ?;Z ‘:> 7;= )CDMA DD ?=: 7’ rw BS:> ?: IMTo+X IMTo+XXX.............................................................. XX.................................................................. ....11 11 H„:; 1. 1. 5Ž C[R R;6? R;6? rS:> ?: )CDMAeDD..................... )CDMAeDD.................................................... ....................................... .........1+ .1+ H„:; 1. Ž T;] “ 7[R R;6? rS:> ?: 7;= :Sd :; 8;bi ?;67 ?Wi V_f:> "P7 A:;.. A:;..... ....1( .1( H„:; 1. gŽ gŽ N>9: O[? O[? v\:> 8]: 8]: ^_`:> <9:................. <9:......................... ................ ........15 15 H„:; 1. jŽ jŽ N>9: O[? O[? v\:> 8]: 8]: ^_`:> aP:>................ aP:>........................ ............1 ....1 H„:; 1. Ž Ž T;] “ v v >ii ?;E? *H$............................................................... *H$....................................................................... ............ ....1g 1g H„:; 1. 1XŽ 1XŽ *f ^k 8;Pi 8;Pi d6 R;6? ubw v d6 ?; urw v ?s:.................. ?s:.......................... ................ ..........1j ..1j ' H„:; +. 1Ž -is: ?@€7 ?@€7 7;:> 7•b d‚? BT*.................................................................... + H„:; +. +Ž -is: ?@€7 BT* vQi vQi 767 ?i :>9: ^_‰7 ^_‰7 ‘:> 7;:>................................. 7;:>..................................+g .+g H„:; +. (Ž M ;„:; 7;Z: ^li ^li 89:; uO”R asR 89:;w.......................................... 89:;w................................. ................. ........+j +j H„:; +. 2Ž 2Ž C67 8;Pi 7;c7 7;c7 :S:> at aP:>..................................................... aP:>.....................................................(X (X H„:; +. 5Ž T;7 ;i}: R;is: TB BB 7;= dm? R;–:> :>_ì Ot “:>..............................(1 H„:; +. Ž C67 8;Pi 7;c7 :S:> at <9: <9: 7•b TB................................ TB........................ ................. ..........(+ .(+ H„:; +. gŽ T;7 ;i}: AB....................................................... AB......................................................................... ........................... .............. .....(2 (2 H„:; +. jŽ jŽ -is: ?@€7 ?l:> 6? 7•b MBp................................................ MBp......................................................... ................. .........(g .(g H„:; +. Ž T;7 ;i}: ;i}: 7•bŽ bw ^ R;6?— R;6?— rw ^ ?;.......................................... ?;.................................................. ............. .....( ( H„:; +. 1XŽ ;l 7•b ris: ^li :Œ:> :Œ:> ?: ?@7 ?isRŽ ?isRŽ bw ?‹ I 8;:>— rw ?‹ I ?;[R............( H„:; +. 11Ž 11Ž T;7 ;i}: R;6?e?; R;6?e?; ris: ^li ^li b ?@:> ?: uIw......................................... uIw.........................................2X 2X H„:; +. 1+Ž 1+Ž -is: ?@€7 ?l:> ?l:> 6? 7•b 7•b d‚? d6 R;6? R;6? ?; OP...................................... OP........................................... .....21 21 H„:; +. 1(Ž 1(Ž -is: ?@€7 R;: R;: dd 7•b d‚? ;} ?;P:> ?;P:> v ?s: ?s: *D..................... *D............. ................ ........2+ 2+ H„:; +. 12Ž -is: ?@€7 R;: 7c:> 7c:> 7•b rS:> rS:> >P7................................................ >P7........................................................ ...........2( ...2( H„:; +. 15Ž -;6i :i}d ?;_ vi}: vi}: *D R;Œ: 7[R ^Z ^Z at rS:> >P7.................2( >P7................ .2( H„:; +. 1Ž M ;„:; v ?s: ?s: 8; 9: O[?..................................................... O[?............................................................. ........2 2 H„:; +. +XŽ Đ:; :>;˜b ;i} O[?................................................................... O[?........................................................................... ............. .....51 51 H„:; +. +1Ž *f ^k 8;Pi 7•b MCA MCA Ot “:> <d dˆ= ?@_Q7 ?@_Q7 OP....................................5+ OP.................................... 5+ H„:; +. ++Ž ++Ž N>9: DD DD ?;]7; c:> c:> ;=: 7;™:;........ 7;™:;............... ............ ......... ....52 52 H„:; +. +. +2Ž Đ_`:> 7=:> ;i} ;i} O[? O[? U Ot “:> “:> DD....................................... DD............................... ................ ..........55 ..55 Phạm Văn An An – Lớp D06VT1

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Dnh mục h!nh "#

H„:; +. +5Ž Tš <} \ 89:; <Œ: <Œ: 7E: ^= ^_‰7 ^Pi vQi U+1 7•b p@i7OOi=:.....................5 p@i7OOi=:.....................5 H„:; +. +Ž N>9: 7:> O[? D=;›@?............................................5 D=;›@?............................................5 H„:; +. +gŽ Đ_`:> 7=:> 7=:> ;i} :S:> r‚ 8;s7; ^Wi D=;›@? D=;›@? .........................5g ?_~:>.........................5g H„:; +. +jŽ Đ_`:> 7=:> ;i} O[? R;“ ?;‚7  =? ^Pi vQi U Ot “:> DD v D=;›@? A........................................................................................................................5j H„:; +. +Ž *= O6:; R;_f:> R;_f:> 6: BT* ubw ?;:> ?;_`:> v BT* R;Œ: rP urw................ urw........... .....5j 5j H„:; +. (XŽ (XŽ Hbi R;_f:> R;_f:> 6: DB*............................................................................... DB*...................................................................................X X H„:; +. (1Ž MW:> b:> @i9:> @i9:> îZd ^s: îZd ^Z ^Z ?; ?;ER OP .................1 ^‚:>........... ......1 H„:; +. (+Ž (+Ž Gii R;6R Ot “:> dW:> dW:> b: ?;“ ?;“ ^‚:> >i............................................. >i.............................................1 1 H„:; +. ((Ž C[ ;„:; 8;67; OW: :=›B vQi vQi BBU R;Œ: R;Œ: ?6:........................................ ?6:................................ .........+ .+ H„:; +. (2Ž C[ ;„:; 8;67; OW: OW: :=›B vQi BBU ^m? ^m? ?ER ?@:>...................................+ H„:; +. (5Ž (5Ž Tis: Tis: ?Qi Ot “:> ;W ?:> ?:> $N >i........................................................ >i............................................................ ....( ( H„:; +. +. (Ž Gii R;6R R;6R $N >i ;=: ?=:................................................... ?=:........................................................... ............... .......( ( H„:; +. +. (gŽ Gii R;6R R;6R )DM )DM 7;k:> 7;k:> i..................................... >i............................................. ................. ..........2 .2 H„:; +. (jŽ C67 7[ ;„:; ;„:; dW:> BBU ^Pi vQi dW:> DB*......................................... DB*................................ ...........2 ..2 H„:; +. (Ž C67 7[ ;„:; dW:> 7•b 7•b U ?@=:> dW:> DB*........................................5 DB*........................................5 H„:; (. (. 1Ž H„:; (. +Ž +Ž H„:; (. (Ž (Ž H„:; (. 2Ž H„:; (. 5Ž 5Ž H„:; (. Ž

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DANH MỤC BẢNG BIỂ B:> 1. 1. 1Ž Db:; O67; 767 89:; 89:; vE? 1. +Ž C67 ?;:> OP 1. (Ž BS:> ?:................................................ ?:............................................................................ ..................................... ................. ............... ....... 1X B:> 1. 1. 2Ž C[ ;„:; ;„:; DBoDCoH*D DBoDCoH*DA............... A.............................................................. ....................................................... ........... ...1X 1X B:> 1. 5Ž -;=:> 767; 767; ?: OP Taoa.................................... Taoa......................................................................... .....................................11 11 B:> 1. Ž C[R R;6? ?: OP (G ?Wi Vi}? Vi}? Nbd......................................... Nbd................................................. ................ .............. ......12 12 B:> 1. gŽ C:> O[? O[? ^ @b @b b:; ^:; ^:; 7•b ?@Wd >P7....................................... >P7................................................ ...........+X ..+X B:> 1. jŽ Đ‚ :> :> Obi r_Q7 r_Q7 î 8;iZ: 7:> 7:> O[? R;6?.................................. R;6?.......................... ................. ...........+X ..+X B:> 1. Ž Di r_Q7 î 8;iZ: 7:> O[? ^_‰7 8s? ;‰R ;‰R ?Wi d6 R;6?................. R;6?........ .............. .......+1 ..+1 B:> 1. 1XŽ Đ‚ :;W ?i9 7;ƒ: 7;ƒ: 7•b B*......................................................................+1 B*......................................................................+1 B:> 1. 1. 11Ž 11Ž -; :S:> :S:> <b <b 7;: 7;: 89:;........................................................... 89:;................................................................... ............... .......+1 +1 ' B:> +. 1Ž C67 rS:> ?: ^f7 ^f7 7;: ^Z ?;7 ;i}: MBp...................................... MBp............................. ............... ......(g (g B:> +. +. +Ž T;:> OP 8n ?;E? MCA........................................................... MCA................................................................... ............... .......51 51 B:> (. 1Ž B:> (. +Ž B:> (. (. (Ž B:> (. 2Ž

C67 7[ ;„:; ;„:; Ot “:> )U 8;:> 8;:> R;Œ: ?ER ?ER R;6?................................ R;6?........................ ...........j ...j -; :S:> at
B:> 2. 1Ž *P <_‰:> :=›B ?@iZ: 8;bi ?Wi ?@:> ?Œd ?Œd VM*5 v VM*1 VM*1 ?@=:> + >ibi ^=W: .............................................................................................................................g B:> 2. +Ž *P <_‰:> :=›B :=›B ?@iZ: ?Wi 767 ?™:; ?™:; ?;‚7 ?@:> ?Œd ?Œd 1ž5 ?@=:> + >ibi ^=W:.gg ^=W:. gg B:> 2. (Ž D 8is: R;6? ?@iZ: ?@iZ: :=›B Vi: Vi:bR;=:›................................................. bR;=:›......................................................... ........g g B:> 2. 2Ž N=›B ?Wi 767 ?;:; R;P R;P 2. 5Ž 1XX N=›B ^ ?i9: 7•b Vi:bR; Vi:bR;=:›........................................................ =:›........................................................... ...g g


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THUẬT NGỮ VIẾT TẮT (G

T;i@ G›:›@b?i=:

T;s ;} ?;c rb

(G

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T;is? r >;ˆR S:> ?›:

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Tš <} \ 89:; <Œ: 7E: MW7; ?]7; ;‰R c:> “:> @i9:>

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C;s ^‚ ?@:  r‚

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Bi? p@@=@ b?›

Tš <} <¡i ri?

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B‚ î 8;iZ: ?@Wd >P7

BT*

BbO› T@b:7›iv›@ *?b?i=:

T@Wd ?; R;6? >P7

CDM CDMA

C= C=› Div DiviiOi=: Oi=: M< M
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D*o CDMA

Di@›7? *››:7› CDMA

CDMA 7;¡i ?@7 ?isR

D*

Di>i?b< *i>:b< @=7›OO=@

B‚ at
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D›i7b?› T@bi7 C;b::›<

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p:;b:7› G*

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N€? ;¡ ?@‰ G* 7l:>

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M=ri<› *›@vi7›O *£i?7;i:> C›:?›@

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NC$

Nd›@i7b< C=:?@=< C=:?@=< $O7i
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A

=£›@ AdR
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A

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CCH

b>i:> C=dd=: C;b::›<

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CH

b>i:> C;b::›<

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

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T: OP v ?s:

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B‚ î 8;iZ:
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B‚ î 8;iZ: dW:> v ?s:



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ĐiZd ?;bd 7;ƒ:

C

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G;ˆR O=:> 7:> R;Œ: 7;ib ?;›= ?;ì >ib:

Tp

T›@di:b< piRd›:?

T;is? r ^ 7Pi

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UMT* *IM

N;E: W:> ?;9 rb= UMT*

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1


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

CHƯƠNG I TỔNG QUAN VỀ GIAO DIN V! TU"ẾN #G $CDMA UMT% &'&' GI(I THIU )CDMA UMT* < d‚? ?@=:> 767 ?i9 7;ƒ: 7•b IMTo+XXX :;…d R;6? ?@iZ: 7•b G*M ^Z 7:> 7[R 767 8; :S:> 7;= ?;s ;} rb. )CDMA UMT* Ot “:> dW:> ^b ?@ :;ER v ?s: ?@9: 7f O~ )oCDMA v dW:> <¤i ^_‰7 R;6? ?@iZ: ?‹ G*MeG*. MW:> (G )CDMA <€7 ^ O¨ < dW:> 8s? ;‰R >iœb 767 v‘:> 7;Z: dW7; >i u*w v 7;Z: dW7; 89:; uC*w ^Z ?@: OP i v ?is:>. C67 ?@:> ?Œd 7;Z: dW7; >i O¨ < 767 7;Z: dW7; Ot “:> 7:> :>;} ATM. T@9: ^_`:> R;6? ?@iZ: ^s: dW:> ?=: I— 7;Z: dW7; 89:; O¨ : ^_‰7 ?;b ?;s r…:> 7;Z: dW7; >i. C67 7; v“ 8Z 7 OP ib: ?;7 u:;_ ?is:> v vi›=w 7Pi 7‘:> O¨ ^_‰7 ?@: ?@9: 7‘:> d‚? di ?@_`:> I r…:> 767 7;Z: dW7; >i. H„:; 1. 1 _Qi 1 _Qi ^Œ 7;= ?;[ ?;] “ v d‚? 8is: ?@€7 ?l:> 6? 7•b ?;:> ?i: i ^‚:> (G 8s? ;‰R 7 C* v * ?@=:> dW:> <¤i.

Up uUO›@ piRd›:?wŽ T;is? r r :>_ì ‘:> Tp uT›@di:b< uT›@di:b< piRd›:?wŽ piRd›:?wŽ T;is? r ^ 7Pi U*IM uUMT* *r7@ir›@ I›:?i M=<›wŽ M ^: :;E: W:> ?;9 rb= UMT* NC ubi= N›?£=@8 C=:?@=<<›@wŽ B‚ î 8;iZ: dW:> v ?s: M*CeVLŽ T@:> T@:> ?Œd 7;Z: dW7; 7; v“ i ^‚:>eB‚ >;i ^:; v ?Wd ?W d ?@€

Hình 1. 1: Kiến trúc h th!ng "# $%D&A '&TS MW:> ?@ :;ER v ?s: dm? ^[? UMT* uUTANw < iœb :>_ì Ot “:> v CN. N >kd 767 R;: ?t ^d r= 767 7‚7 ?@: ?;:> UMT* ?@9: v ?s: v î 8;iZ: 7;€:>. UTAN ^_‰7 ^:; :>;˜b >iœb ;bi >ib= i}:. Gib= i}: I >iœb Phạm Văn An An – Lớp D06VT1

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.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

UTAN v CN— >kd ;bi R;:Ž I* 7;= di: 7;Z: dW7; >i v IC* 7;= di: 7;Z: dW7; 89:;’ >ib= i}: U >iœb UTAN v ?;is? r :>_ì Ot “:>. Giœb ;bi >ib= i}: : < NC v :=›B. )CDMA 7 ?;Z 7 ;bi >ii R;6R 7;= >ib= i}: v ?s:Ž >;ˆR O=:> 7:> R;Œ: 7;ib ?;›= ?: OP uDDŽ @››:7 DiviOi=: DiviOi=: DR<›aw v >;ˆR O=:> 7:> R;Œ: 7;ib ?;›= ?;ì >ib: uTDDŽ Tid› DiviOi=: DR<›aw. C ;bi >ib= i}: : ^ Ot “:> ?@i R;l 7;¡i ?@7 ?isR uD*oCDMAw. Gii R;6R ?;c :;[? O¨ ^_‰7 ?@iZ: 8;bi @‚:> @¢i 7\: >ii R;6R ?;c ;bi ;bi 7;• s O¨ ^_‰7 ?@iZ: ?@iZ: 8;bi 7;= 7;= 767  :;¥ uMi7@= v i7=w. i7=w. Gii R;6R DD Ot “:> ;bi rS:> ?: 5 MH¯ vQi ;bi O:> db:> R;Œ: 767; :;b 1X MH¯Ž ^_`:> <9: 7 rS:> ?: :…d ?@=:> i R;l ?‹ 1+X MH¯ ^s: 1jX MH¯— ^_`:> aP:> 7 rS:> ?: :…d ?@=:> i R;l ?‹ +11X MH¯ ^s: +1gX M;¯. Mm7 ‘ 5 MH¯ < ^‚ @‚:> rS:> b:; ^:;— ?b 7°:> 7 ?;Z 7;: ^‚ @‚:> rS:> ?‹ 2—2 MH¯ ^s: 5 MH¯ vQi :[7 ?S:> < +XX -H¯. Vi}7 7;: ^‚ @‚:> rS:> ^€:> ^”: 7;= R;ˆR ?b ?@6:; ^_‰7 :;i¦ >ib= ?;=b :;[? < 8;i 8;Pi 5 MH¯ ?isR ?;›= ?;‚7 :; 8;bi ?;67 8;67. Gii R;6R TDD TDD Ot “:> 767 ?: OP :…d :…d ?@=:> i 1XX ^s: ^s: 1+X MH¯ v ?‹ +X1X +X1X MH¯ ^s: +X+5 MH¯’ ~ ^Œ ^_`:> <9: v ^_`:> aP:> Ot “:> 7;:> d‚? rS:> ?:. Gib= i}: v ?s: 7•b )oCDMA ;=: ?=: 8;67 vQi G*M v G*— )oCDMA Ot :> R;_f:> ?;c7 ?@i R;l 7;¡i ?@7 ?isR vQi ?P7 ^‚ 7;iR < (—j2 M7RO. T@=:> )CDMA dW:> ?@ :;ER v ?s: ^_‰7 >i < UTAN uUMT* T›@@›O?@ib< bi= A77›OO N›?£=@8w. N›?£=@8w. C67 R;: ?t 7•b UTAN @[? 8;67 vQi 767 R;: ?t ~ dW:> ?@ :;ER v ?s: 7•b G*M. V„ ?;s 8; :S:> Ot “:> ^¢ 7 8s ;=W7; :Œ:> 7[R 767 G*M BT* 7;= )CDMA— ?@=:> dW:> (G 7;€:> ^_‰7 >i < 767 :=›B. ĐPi vQi 767 :; O: O[? : 7 ?;Z 7;™ ?;6= @b d‚? OP r‚ ?; R;6? G*M ?‹ BT* v ?;b v= ^ 767 r‚ ?; R;6? dQi 7;= )CDMA. M‚? OP @[? ]? :; O: O[? 7\: ?;ì 7;= 7 G*M v )CDMA. T :;i9: ^b R;: 767 :; O: O[? R;i ?;b ?;s G*M B*C r…:> NC dQi 7;= )CDMA. )oCDMA Ot “:> @[? :;i 8is: ?@€7 7•b dW:> G*M— G* ;i}: 7 7;= dW:> 7•b d„:;. C67 R;: ?t :;_ M*C— HL— *G*N— GG*N 7 ?;Z ^_‰7 :Œ:> 7[R ?‹ dW:> ;i}: 7 ^Z ;¡ ?@‰ ^k:> ?;ì )CDMA v G*M. Gib= i}: v ?s: 7•b )CDMAeDD ^_‰7 aŒ :> ?@9: rb 8iZ 89:;Ž 89:; <=>i7— 89:; ?@: ?i v 89:; vE? i7 ^_‰7 ;„:; ?;:; ?@9: 7f O~ ^:> >i 767 ?;:> ?i: ?‹ ;ˆR 7;€:> v= 89:; vE? ?@9: 7:> :>;} ^b ?@ :;ER CDMA 8s? ;‰R vQi DMAeDD. M¡i 89:; vE? r~i d‚? 7mR ?: OP v d‚? d¢ ?@i R;l. N>=i @b 89:; vE? <9: 7\: ^_‰7 ^m7 ?@_:> r~i >7 R;b. T@=:> R;: _Qi ^Œ ?b ?@_Q7 ;s? ?b aˆ? 8is: ?@€7 >ib= ?;c7 7•b >ib= i}: v ?s: Ob ^ ?b O¨ aˆ? >ib= i}: v ?s: 7•b )CDMAeDD— Ob ^ O¨ aˆ? 767 89:; :. Phạm Văn An An – Lớp D06VT1

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.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

&')' *IẾN &')' *IẾN T+,C T+,C GIAO GIAO TH-C C.A C.A GIAO GIAO DIN V! V! TU"ẾN TU"ẾN $CDMA Gib= i}: v ?s: rb= >kd ( ib= ?;c7Ž • Lớp "(t <= <= >L1?@ Đm7 >L1?@ Đm7 ? 767 v[: ^ ib= i}: v ?s: :;_ î

7;s v d¢ ;b— ?@i R;l v.v© • Lớp L?@ LER >L?@ LER 8;: OP
r= ?@: §: ?i: 7E 7E >iœb 767 :€? <Œ: 7E: ;b 767 ?;7 ?;7 ?;Z ^k:> 7[R. • Lớp mạng >L8?@ >L8?@ Đm7 Đm7 ? ^6:; ^b 7;™ v ^:; ?s:.

Hình 1. (: Kiến trúc gi)* th+c th+c c) gi)* -in / tuyến tuyến $%D&A LQR + ^_‰7 7;ib ?;:; 767 w v LC ubi= ›:7› @=?=7=<Ž Gib= ?;c7 ;‚i ?“ OP iw v BMC B@=b7bO?eM r6e^b R;_f:> w. LQR ( v LC ^_‰7 7;ib ?;:; ;bi dm? R;–:>Ž dm? R;–:> î 8;iZ: uCo :>_ì Ot “:> uUo U. T@=:> dm? R;–:> C kd C ubi= ›O=@7› C=:?@=<Ž î 8;iZ: ?i :>9: v ?s:w 8s? 7Pi ?Wi AN v 767 >›d›: ›d›:?w ?w v CC uC= uC=::›7? :›7?ii=: Mb: Mb:b>›d b>›d››:?w— :?w— GMM uG* * M=ri›d›:?w— Mb:b>›d›:?w— *M u*›OOi=: Mb:b>›d›:?w Mb:b>›d›:?w 8s? 7Pi ?Wi dW:> <¤i uCNw.


2


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

LQR vE? ?@=:> ;} ?;P:> UTAN— : < d ;„:; >ib= ?;c7 >ib= i}: v ?s: )CDMA. LQR vE? ^Z ?@: §: ~ >ib= i}: v ?s:. M¡i 89:; vE? d‚? ?l ;‰R ?: OP— d¢ :>§ :;i9: ;=6 ud¢ ^:; 89:;w v R;b u7;™ 7;= ^_`:> <9:w. C67 89:; ^_‰7 Ot “:> vE? ?i: 7•b 767 ib= i}: v ?s:— ? :;i9: 7°:> 7 d‚? OP 89:; vE? 7•b ?;:> ?i: ~ >ib= i}: v ?s:— 767 ?i: : b 767; Ot “:> 767 Bnh <4gic. <4gic. MAC O”R asR 767 89:; : <9: 767 Bnh tE'7Fn t%i ?@_Q7 8;i ^_b ^s: <9: 767 Bnh 767 Bnh "(t <=@

&'#' C/C *0NH C.A $CDMA &'#'&' C12 3456 789:2 Ni 7;:> 767 89:; <=>i7 uL=CHŽ L=>i7b< C;b::› ?i: î 8;iZ:— rb= >kd 89:; î 8;iZ: :> r6 uBCCHw— 89:; î 8;iZ: ?„d >i uCCHw— 89:; î 8;iZ: @i9:> uDCCHw. C67 89:; <_ <_‰:> uTCHŽ T@bi7 C;b::› ?i: 7•b :>_ì Ot “:>— rb= >kd 89:; <_ <_‰:> @i9:> uDTCHw v 89:; <_ <_‰:> 7;:> uCTCHw.

&'#') C12 3456 ;<=>?5 ;@: C67 89:; <>i7 ^_‰7 v 767 89:; 7;:>. ĐiZd 8;67 :;b >iœb 7;€:> <Ž 89:; 7;:> < ?i :>9: ^_‰7 7;ib O± 7;= ?[? 7 ;=m7 d‚? :;d 767 :>_ì Ot “:> ?@=:> — 7\: 89:; @i9:> ^_‰7 [: ^:; @i9:> 7;= d‚? :>_ì Ot “:>  :;[?. C67 89:; ?@: ?i 7;:> rb= >kdŽ BCH uB@=b7bO? 7;b::›<Ž -9:; :> r6w— ACH ubO? A77›OO C;b::›<Ž -9:; ?@ :;ER :;b:;w— CH ub>i:> C;b::›<Ž -9:; ?„d >iw— D*CH uD=£: Li:8 *;b@› C;b::›<Ž -9:; 7;ib O± ^_`:> aP:>w— CCH uC=dd=: b78›? C;b::›<Ž -9:; >i 7;:>w. -9:; @i9:> 7;™ 7 d‚? 89:;  :;[? < DCH uD›i7b?› C;b::›<Ž -9:; @i9:>w. -9:; ?@: ?i 7;:> 7 ?;Z ^_‰7 6R “:> 7;= ?[? 7 767 :>_ì Ot “:> ?@=:>  ;=m7 7;= d‚? :>_ì ;=m7 :;i :>_ì ^m7 ?;‘. -;i 89:; ?@: ?i 7;:> ^_‰7 Ot “:> ^Z R;6? ?;:> ?i: 7;= ?[? 7 767 :>_ì Ot “:> ?;„ 89:; : 8;:> 7: 7 ^b 7;™. C;–:> ;W: 89:; BCH ^Z R;6? ?;:> ?i: :> r6 7;= ?[? 7 767 :>_ì Ot “:> ?@=:> . -;i 89:; ?@: ?i 7;:> 6R “:> 7;= d‚? :>_ì Ot “:> ^m7 ?;‘— ?;„ 7: R;6? :;E: W:> :>_ì Ot “:> ?@=:> rS:> u?@=:> r: ?i: O¨ ^_‰7 R;6?w. -9:; CH < 89:; ?@: ?i 7;:> ^_‰7 Ot “:> ^Z ?„d >i d‚? Up ^m7 ?;‘ O¨ 7;cb ?;:> ?i: :;E: W:> :>_ì Ot “:> r9: ?@=:> r: ?i: R;6?.


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.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

M¡i 89:; ?@: ?i ^ î 8d vQi d‚? 7;™ ?; 8;: W:> ?@: ?i uTIŽ T@b:OR=@? =@db? I:i7b?=@w ?Wi di ?;ì îZd d 767 89:; ?@: ?i O¨ :;E: ^_‰7 OP ?i: TI ?‹ 767 89:; ?@: ?i 8;67 :;b v= 7;™ ?; 8s? ;‰R 8;: W:> ?@: ?i uTCIw. TCI ^_‰7 R;6? ?@9: 89:; î 8;iZ: ^Z ?;:> r6= 7;= d6 ?; @…:> 89:; := ;i}: 8;: W:> ?@: ?i d‘ uDTDŽ B 8s? :Pi vQi 767 89:; @i9:> ^_`:> aP:>. M6 ?; d¢ TCI ^Z :;E: ^_‰7 767 TI. *b ^ 767 TI : ^_‰7 7;Z: ^s: 767
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.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

: 7°:> 7: 7;= ;=W? ^‚:> 7•b b:?›: ?;]7; c:> u;b b:?›: ?;:> di:;w 7 r€R O:> ;²R. TC ^Z î 8;iZ: 7:> O[? v\:> 8]: :;b:; 7;= 7 ^_`:> <9: v ^_`:> aP:>. TCI ?;:> ?i: 7;= d6 ?; v 767 ?;:> OP ?c7 ?;ì 7•b 767 89:; ?@: ?iŽ 767 ?P7 ^‚ OP ^k:> ?;ì. N>=i @b TCI 7 ?;Z r r¥ b :s ?P7 ^‚ OP 7;cb ?;:> ?i: ;ki ?isR ;ki ?isR uBIŽ ››rb78 I:=@db?i=:w ~ ^_`:> <9: ^Z ^d r= v\:> ;ki ?isR 7;= R;Œ: ?ER R;6? v R;Œ: ?ER 7;: <b. ACH u;Oi7b< -9:; 7;:> ^_`:> <9:. Đ_‰7 Ot “:> ^Z db:> b:= b:=d d A77›OO 77›OO C;b:: C;b::›<Ž ›<Ž 89:; ?@: ?i ACH . -9:; vE? § :;i9:w CCH u;Oi7b< -9:; 7;:> ^_`:> <9:. Đ_‰7 Ot “:> ^Z db:> C=dd=: C=dd=: b78›? b78›? C;b:: C;b::›<Ž ›<Ž 89:; ?@: ?i CCH. -9:; vE? i 7;:>w CICH uC=dd=: i<=? -9:; -9:; 7;: 7;:>> ^_ ^_`: `:>> a aP: P:>. >. C ;bi ;bi 8iZ 8iZ 89:; 89:; C;b: C;b::› :›<Ž <Ž -9:; 9:; ;= ;=bb ?i9 ?i9 CICHŽ oCICH u@idb@ CICHŽ CICH Of 7[Rw v 7;:>w *oC *oCIC ICH H u*›7 u*›7=: =:b b@ @ CIC CICHŽ HŽ CIC CICH H ?;c ?;c 7[Rw 7[Rw.. o CICH ^d r= ?;bd 7;ƒ: :;[? 6: 7;= ?=: r‚  ^Z Up ?; ^_‰7 *CH— oCCCH— AICH v ICH v„ 767 89:; :b 8;:> 7 ;=b ?i9 @i9:> :;_ ~ 767 ?@_`:> ;‰R 89:; DCH. -9:; *oCICH ^d r= ?;bd 8;= :;[? 6: 7;:> ?@=:> d‚? R;:  ;=m7 ^=W:  7;= ?@_`:> ;‰R Ot “:> b:?›: ?;:> di:; 7 r€R O:> ;²R. C;–:> ;W: 7 ?;Z Ot “:> *oCICH <d ?;bd 7;ƒ: 7;= *o CCCH u89:; db:> 767 r: ?i: ?„d >iw v 767 89:; DCH ^_`:> aP:>. oCCCH u@idb@ -9:; 7;:> ^_`:> aP:>. M¡i  7 d‚? 89:; ^Z C=dd=: C=dd=: C=:?@=< C=:?@=< ;Oi7b< ;Oi7b< ?@: BCH. C;b::›<Ž -9:; vE? Of 7[Rw *oCCC *oCCCH H u*›7=: u*›7=:b@ b@ -9:; 7;:> ^_`:> aP:>. M‚?  7 ?;Z 7 d‚? ;b C=dd=: C=dd=: C=:?@=< C=:?@=< ;Oi7b< ;Oi7b< :;i *oCCCH. Đ_‰7 Ot “:> ^Z ?@: CH v C;b::›<Ž -9:; vE?
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.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

8;iZ: 7;:> ?;c 7[Rw *CH u*:7;@@=:i¯b?i=: -9:; 7;:> ^_`:> aP:>. C ;bi 8iZ 89:; *CHŽ C;b::›<Ž -9:; ^k:> r‚w *CH Of 7[R v *CH ?;c 7[R. M¡i  7;™ 7 d‚? *CH Of 7[R v ?;c 7[R. Đ_‰7 Ot “:> ^Z ?„d . D*CH u;Oi7b< -9:; 7;:> ^_`:> aP:>. M¡i  7 :;i D*CH D=£: 7w. Đ_‰7 Ot “:> ^Z db:> 89:; ?@: ?i -9:; vE? D*CH. aP:>w AICH uA7iOi?i=: -9:; 7;:> ^_`:> aP:> î 7mR vQi ACH. Đ_‰7 I:i7b I:i7b?i= ?i=:: C;b:: C;b::›<Ž ›<Ž -9:; -9:; Ot “ “:> :> ^Z î î 8; 8;iZ iZ:: ?@ ?@ :; :;ER ER :> :>§ § :; :;i9 i9:: 7•b 7•b 7;™ ?; r”?w ACH. ICH ub>› I:i7b?i=: -9:; 7;:> ^_`:> aP:> î 7mR vQi *oCCCH u8;i C;b::›<Ž -9:; 7;™ ?; ?„d 89:; : db:> CHw ^Z R;6? ?;:> ?i: 8s? 7Pi 7‚7 >iw >i 7;= ?‹:> :;d 7‚7 >i 8s? 7Pi. -;i :;E: ^_‰7 ?;:> r6= :— Up ?;‚7 :;d 8s? 7Pi 7‚7 >i ?;c : O¨ ?; 8;:> v ?s: ?@9: *oCCCH AoAICH uA77›OO -9:; 7;:> ^_`:> aP:> î 7mR vQi CCH ^Z @›bdr<› A7iOi?i=: î 8;iZ: ?@ :;ER :>§ :;i9: 7;= CCH I:i I:i7b 7b?= ?=@@ C;b: C;b::› :›<Ž <Ž -9:; -9:; 7;™ ?; r”? ?i: ?P ?@ :;ERw CDe CDeCAoI CAoICH CH uCC CCH -9:; 7;:> ^_`:> aP:> î 7mR vQi CCH. Đ_‰7 C=< ^Z î 8;iZ: vb 7;Wd CCH C;b::›< AOOi>:d›:? I:i I:i7b 7b?= ?=@@ C;b: C;b::› :›<Ž <Ž -9:; -9:; 7;™ ?; R;6? ;i}: vb 7;Wd CCHe[: ^:; 89:;w C*ICH C*ICH uCCH uCCH *?b? *?b?OO -9:; 7;:> ^_`:> aP:> ?;:> ?i: v ?@W:> ?@W:> ?;6i 8s? 8s? :Pi 7•b CCH 7;™ ?; ?@W:> ?;6i CCHw


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.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

TFI= Transport Transport Format Indicator: Chỉ thị t hị khuôn dạng truyền tải TFCI= Transport Transport Format Combination Indicator: Chỉ thị kết hp khuôn dạng truyền tải

Hình 1. ": #h; c3c 45nh truy;ˆR ;bi 89:; ?@: ?i <9: d‚? 89:; vE? 7[R 7;™ ?; <¡i 7;= ?‹:> 8;Pi ?@: ?i ?Wi R;]b ?;.

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D*oCDMA rS:> @‚:> 5e1Xe15e+X +XX 8H¯ u1—+jwe(—j2eg—je11—5+e15—( 1X dO D r‚e^k:> r‚ M¢ ?@r=— d¢ a=”: "*-eB*- "*-e$C"*"*-e$C"*- uH*-w C*oACpLeuAMw (GepT*IeAIB

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.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

DLŽ D=£: aP:>’ ULŽ UR <9: $C"*- uH*-wŽ $@?;=>=:b< C=dR<›a "b@b?@› ;bO› *;i? -›i:> uHr@i *-w ³ 8;b 7;Z: R;b v:> >7 ?@7 >ib= C*oACpLŽ C=:Ÿ>b?› *?@7?@›oA<>›r@bi7 C=› pa7i?› Li:›b@ @›i7?i=: ³ D r6= ?s: ?]:; 8]7; ?;]7; ?;›= d¢ <^Wi OP 7[ ?@€7 R;c7 ;‰R (GŽ T;i@ G›:›@b?i=: b@:›@O;iR @=Ÿ›7?Ž Đ 6: 7•b 767 ^Pi ?67 ?;s ;} rb pT*IŽ p@=R›b: T›<›7=dd:i7b?i=:O *?b:b@O I:O?i??›Ž Vi}: ?i9 7;ƒ: vi¦: ?;:> C;Œ Š AIBŽ AOO=7ib?i=: = bi= I:O?@i›O b: BOi:›OOŽ Li9: ;i}R 7:> :>;i}R v 8i:; =b:; v ?s:.

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TEn 2! @Ung 75n ' ;h3t, N*-L0 thu 1+X o 1jX MH¯ 1j5X o11X MH¯ 1g1Xo1gj5 MH¯ 1g1Xo1g55 MH¯ j+2 o j2MH¯ j(Xoj2X MH¯ +5XX o +5gX MH¯ jjX o 15 MH¯ 1g2. o 1gj2. MH¯ 1g1Xo1ggX MH¯ 12+g. o 122g. MH¯ j o g1 MH¯ ggg o gjg MH¯ gjj o gj MH¯ D ?@œ D ?@œ D ?@œ D ?@œ j(X ® j25 MH¯ j(+ o j+ MH¯ 122g. o 12+. MH¯

TEn 2! @Ung Wu!ng ' thu, N*-L0 ;h3t +11X o+1gX MH¯ 1(X o1X MH¯ 1jX5o1jjX MH¯ +11Xo+155 MH¯ joj2MH¯ jg5ojj5 MH¯ ++X o +X MH¯ +5 o X MH¯ 1j22. o 1jg. MH¯ +11Xo+1gX MH¯ 12g5. o 125. MH¯ g+j o g2 MH¯ g2 o g5 MH¯ g5j o gj MH¯ D ?@œ D ?@œ D ?@œ D ?@œ jg5 ojX MH¯ g1 o j+1 MH¯ 125. o 151X. MH¯

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0ăng @Ung 75n I ;=m7 VIII II ;=m7 IV I ;=m7 V


0ăng @Ung Wu!ng I v VIII II v IV I v V

1X


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

-;=:> 767; ?: OP R;6? v ?; ^_‰7 7;= ~ r:> _QiŽ 0ng 1. Z: Kh*ng c3ch tEn 2! TW>[W 0ăng h*ạt @Cng I II III IV V VI VII VIII I  I II III IV I  I

Kh*ng c3ch tEn 2! TW>[W 1X MH¯ jX MH¯ 5 MH¯ 2XX MH¯ 25 MH¯ 25 MH¯ 1+X MH¯ 25 MH¯ 5 MH¯ 2XX MH¯ 2j MH¯ (X MH¯ (1 MH¯ (X MH¯ 25 MH¯ 21 MH¯ 2j MH¯

1.4.2.2. Quy hoạch tần số

Hình 1. X: Ph\n ! tEn 2! ch* $%D&AR]DD. ) %3c ăng c th^ -_ng ch* $%D&A ]DD t*In cEu`  0ăng tEn a&T>(bbb C67 rS:> ?: Ot “:> 7;= )CDMA DD ?@9: ?=: 7 ^_‰7 7;= ?@9: H„:; 1. 2b. 2 b. )CDMA Ot “:> R;Œ: rP ?: OP  ^:; 7;= IMTo+XXX uI:?›@:b?i=:b< M=ri<› Phạm Văn An An – Lớp D06VT1

11


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

T›<›7=dd:i7b?i=:Oo+XXXw uH„:; u H„:; 1. 2 rw :;_ Ob. Ở 7;Œ Š v v ; ;s? 767 :_Q7 7;Œ 7;Œ 3 rS:> ?: IMTo+XXX < + ×X MH¯ u1+Xo1jX MH¯ 7‚:> vQi +11Xo+1gX MH¯w 7 ?;Z Ot “:> 7;= )CDMAe DD. BS:> ?: Ot “:> 7;= TDD ~ 7;Œ Š ?;b ^li— rS:> ?: ^_‰7 7[R ?;›= >i[ R;ˆR 7 ?;Z < +5 MH¯ 7;= Ot “:> TDD ~ 1XXo1+X uTDD1w v +X+Xo+X+5 MH¯ uTDD+w. BS:> ?: 7;= 767 c:> “:> TDD 8;:> 7: ai: R;ˆR u*A³ u*A³ *›< @=vi›  @=vi› ARR “:> ? 7[Rw 7 ?;Z < +X1Xo+X+X MH¯. C67 ;} ?;P:> DD Ot “:> 767 rS:> ?: 8;67 :;b 7;= ^_`:> <9: v ^_`:> aP:> vQi R;Œ: 767; < 8;=:> 767; O=:> 7:>— 7\: 767 ;} ?;P:> TDD Ot “:> 7‘:> ?: OP 7;= 7 ^_`:> <9: v ^_`:> aP:>. UMT*  ^:; 8;bi ?;67 O=:> 7:> R;Œ: 7;ib ?;›= ?: OP < 7;s ^‚ ?i9 7;ƒ: 7;= ?;:> ?i: ?;=Wi v OP ^k:> ?;ì v 8Z :;[? O= vQi ;b? ^‚:> 7•b G*M. BS:> ?: 7;= ;b? ^‚:> DD 7;= 767 rS:> I— II v III ^_‰7 7;= ?@9: H„:; 1. 5. 5. BS:> I uB1w < [: ^:; rS:> 7;]:; ~ C;Œ Š. " ^:; :; ;bi 7[R R;6? XMH¯ vQi 8;=:> 767; O=:> 7:> 7;ƒ: 1XMH¯— ? :;i9:  ^:; 7°:> 7;= R;ˆR O=:> 7:> 8; ris:— ?@=:> ^ 8;=:> 767; R;6? ?; :…d ?@=:> 8;=:> 1(X ^s: +5XMH¯. H} ?;P:> O=:> 7:> 8; ris: ^m? @b 767 9 7 rl O:> ^Pi vQi ?;is? 8s d6 R;6? ?; v„ 767 r‚ ?l ?: OP d6 R;6? v d6 ?; R;i ;=W? ^‚:> ^‚7 II uB+w ?6i Ot “:> rS:> ;i}: 7 7•b ;} ?;P:> ?;:> ?i: i ^‚:> 76 :;Œ: v  ^:; ^Z Ot “:> ~ Mn ^Z ^d r= ^k:> ?k: ?Wi UMT* v G*M. -;=:> 767; O=:> 7:> 7;™ r…:> jXMH¯ ^Pi vQi rS:> II v„ ?;s ^m? @b 767 9 7 8; 8;S: ;f: ^Pi vQi R;: 7c:> 7•b d6 ?; R;6?.

Hình 1. Z: %Y; ;h3t ăng tEn $%D&AR]DD $%D&AR]DD H„:; 1.  7;=  7;= ?;[ 7[R R;6? rS:> ?;:> ?;›= ^ ?; ?Wi V_f:> "P7 A:;. ;l ?: ^_‰7 7;ib 7;= :Sd :; 8;bi ?;67 :;_ ObŽ √

C!p ph"p # # uH?7;iO=:w :;E: 7[R R;6? rS:> 8ˆR 12— MH¯ u?_f:> ^_f:> (×5MH¯ vQi rS:> r= v} :;¥ ;f:w Phạm Văn An An – Lớp D06VT1

1+


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

√

C!p ph"p $ V=b=:w :;E: 7[R R;6? rS:> 8ˆR 12—jMH¯ u?_f:> ^_f:> ( ×5MH¯ vQi rS:> r= v} :;¥ ;f:w

√

C!p ph"p C uBT(Gw :;E: 7[R R;6? rS:> 8ˆR 1XMH¯ u+ ×5MH¯w v rS:> ^f: 5MH¯ ?Wi 11X MH¯

√ C!p ph"p % u$:›+$:›w :;E: 7[R R;6? rS:> 8ˆR 1XMH¯ u+ ×5MH¯w v rS:> f:

5MH¯ ?Wi 1XXMH¯ √ C!p ph"p & u$@b:>›w u$@b:>›w :;E: 7[R R;6? rS:> 8ˆR u+ ×5MH¯w v rS:> ^f: 5MH¯ ?Wi

1X5MH¯.

Hình 1. : Thd -9 cY; ;h3t ăng tEn ch* năm năm nhI 4h)i th3c tại V?ng V?ng eu!c Anh TWi Vi}? Nbd rS:> ?: (G ^_‰7 7[R R;6? ?: OP ?;›= ?6d 8;› ?: OP :;_ 7;= ?@=:> B:> 1. — — ?@=:> ^ ;bi ;=m7 :;i :; 8;bi ?;67 7 ?;Z 7‘:> ?;bd >ib ai: 7[R R;6? 7;:> d‚? 8;›. LF = 7[R R;6? 767 89:; 5MH¯ 8;67 :;b ?Wi 767 :_Q7 8;67 :;b < ~ 7;¡ 767 :; 8;bi ?;67 R;i  ;=W7; d¢ v R;i ?@6:; vi}7 Ot “:> 767 d¢ >Œ @b :;i¦ 89:; <Œ: 7E: ?@=:> 7‘:> d‚? :_Q7 ;=m7 767 :; 8;bi ?;67 8;67 ?@=:> :_Q7 ;i9: 7c b: ;} >iœb 767 ?l ;‰R d¢ ?@i R;l v ;=W? ^‚:> 7•b 767 89:; <Œ: 7E:.


1(


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

0ng 1. : %Y; ;h3t tEn 2! "# tại Vit N)m -;› ?: OP B*Ta´ A +11Xo+1+5 MH¯ B +1+5o+12X MH¯ C +12Xo+155 MH¯ D +155o+1gX MH¯ ´ B*TaŽ d6 R;6? ?@Wd >P7 ´´ B*aŽ d6 ?; ?@Wd >P7

DD B*a´´ 1+Xo1(5 MH¯ 1(5o15X MH¯ 15Xo15 MH¯ 15o1jX MH¯

TDD B*TaeB*a 115o1+X MH¯ 11Xo115 MH¯ 1X5o11X MH¯ 1XXo1X5 MH¯

&'' ĐIỀU *HIỂN C!NG %UT T+ONG $CDMA CDMA @[? :;W 7d vQi î 8;iZ: 7:> O[?Ž ^Z ;} ?;P:> )CDMA ;=W? ^‚:> r„:; ?;_`:>— 7: 7 d‚? 7f 7;s î 8;iZ: 7:> O[? ?P? ^Z  ?@„ ?™ OP ?]: ;i} ?@9: :;i¦ u*Iw ?Wi dc7 7;= R;ˆR. V„ :;i :>_ì Ot “:> 7‘:> ?@: ^k:> ?;ì ?@9: 7‘:> d‚? ?: OP— :9: dc7 :;i¦ R;“ ?;‚7 v= OP <_‰:> :>_ì Ot “:>. Tk: ?Wi ;bi 8iZ î 8;iZ: 7:> O[?Ž 1. Đi 8;iZ: 8;iZ: 7:> 7:> O[? v\:> ;~Ž 7;= 7;= 767 767 89:; 89:; 7;:> 7;:> +. Đi 8;iZ: 8;iZ: 7:> 7:> O[? v\:> v\:> 8]:Ž 8]:Ž 7;= 767 89:; @i9:> @i9:> DDCHeD DDCHeDCCH CCH v 7;ib 7;ib O± D*CH Đi 8;iZ: 7:> O[? v\:> ;~ ?;_`:> ^_‰7 Up ?@_Q7 8;i ?@ :;ER dW:> v :=›B ?@=:> 6 ?@„:; ?;is? ?@: v ?s: Ot “:> ^Z _Q7 <_‰:> 7:> O[? 7: R;6? ?@9: ^_`:> <9: b ?@9: 767 ?]:; ?=6: ?l: ;b= ^_`:> ?@: ?@9: ^_`:> aP:> v ?š OP ?]: ;i} ?@9: :;i¦ 9 7. Đi 8;iZ: 7:> O[? v\:> 8]: 7 :;i9d v“ >id :;i¦ ?@=:> ;} ?;P:> r…:> 767;  ?@„ 7;[? <_‰:> ?;:> ?i: >iœb Up v UTAN u^_`:> ?@: v ?s:w >: :;[? vQi dc7 7;[? <_‰:> ?Pi ?;iZ 9 7 ^Pi 8iZ 7; v“ d :>_ì Ot “:> ^\i ;¥i. Đi 8;iZ: 7:> O[? v\:> 8]: rb= >kd ;bi R;:Ž î 8;iZ: 7:> O[? :;b:; v\:> ?@=:> ?P7 ^‚ 15XX H¯ v î 8;iZ: 7:> O[? 7;Ed v\:> :>=i ?P7 ^‚ 1Xo1XXH¯.

&''&' Đ:?= 36:5 36:5 2J59 K=W; X59 3Y5 Z[\59 745 *f ^k î 8;iZ: 7:> O[? v\:> 8]: ^_`:> <9: ^77 7;= ?@9: H„:; 1. g. g. Đi 8;iZ: 7:> O[? v\:> ?@=:> b ?@9: O= O6:; ?™ <} ?]: ;i} ?@9: :;i¦ u*Iw _Q7 ?]:; vfi *I ^]7;— 7\: î 8;iZ: 7:> O[? v\:> :>=i b ?@9: O= O6:; ?š OP <¡i 8;Pi uB<=78 p@@=@ b?›Ž BLpw _Q7 ?]:; vQi BLp ^]7;.


12


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

Hình 1. f: Nguy5n 78 @i
&'')' Đ:?= 36:5 36:5 2J59 K=W; X59 ;<859 Z[\59 745 ;_f:> R;6R î 8;iZ: 7:> O[? :;b:; v\:> 8]: <9: :;_ Ob ua›d ;„:; 1.gw. N=›B ?;_`:> a9: _Q7 ?]:; ?š OP ?]: ;i} ?@9: :;i¦ ?; ^_‰7 u*I³ *i>:b< ?= I:?›@›@›:7› b?i=w ?@9: ;=b ?i9 ^_`:> <9: ?@=:> UL DCCH v O= O6:; : vQi ?š OP *I ^]7; u*I ^]7; ^]7;w. Ns *I _Q7?]:; _Q7?]:; 7b= ;f: *I ^]7; ^]7; ?;„ :=›B ?;is? O[? ?@=:> DCCH TC³X ^Z <}:; Up ;W ?;[R 7:> O[? uT‘ v= ?;is? ;W:w — ?@6i O[? ?@=:> DCCH TC³1 ^Z @b <}:; Up ?S:> 7:> O[? u1B 7;–:> ;W:w. C; 8µ ^=o<}:;oR;: c:> : ^_‰7 ?;7 ;i}: 15XX <: ?@=:> d‚? >iŒ u1—5 -H¯w ~ )oCDMA. TP7 ^‚ : O¨ 7b= ;f: di O ?;b ^li ?l: ;b= ^_`:> ?@: v ?;Ed 7;] 7 ?;Z :;b:; ;f: R;bî:; :;b:; 8;i M* 7;Z: ^‚:> ?P7 ^‚ ?;[R.

&''#' Đ:?= 36:5 36:5 2J59 K=W; X59 598: Z[\59 745 Đi 8;iZ: 7:> O[? v\:> :>=i ?;7 ;i}: î 7;™:; >i6 ?@ *I ^]7; ~ :=›B 7;= R;‘ ;‰R vQi 9 7 7•b ?‹:> ^_`:> ?@: v ?s: ^Z ^W? ^_‰7 7;[? <_‰:> 767 ^_`:> ?@: v ?s: :;_ :;b. C;[? <_‰:> 7•b 767 ^_`:> ?@: v ?s: ?;_`:> ^_‰7 ^6:; >i6 r…:> ?š OP ri? <¡i uBpŽ Bi? p@@=@ b?›w ;b ?š OP 8;:> <¡i up³ @bd› p@@=@ b?›w. LF = 7: ^m? ;W: < p³1¶ R;“ ?;‚7 v= ?P7 ^‚ 7•b M* v ^m7 îZd ?@: :;i ^_`:>. Ns ?b ^m? *I ^]7; ^]7; ^]7; 7;= ?@_`:> ;‰R a[ :;[? u7;= ?P7 7b= ^‚ :;[?w ?;„ O¨ <¢:> R;] :> <_‰:> 7;= 767 8s? :Pi ~ ?P7 ^‚ ?;[R. N;_ vE ?P? :;[? < ^Z *I ^]7; ?; :li a:> b:; >i6 ?@ ?Pi ?;iZ ^6R c:> ^_‰7 9 7 7;[? <_‰:>. ĐZ ?;7 ;i}: î 8;iZ: 7:> O[? v\:> :>=i— d¡i 8;:> OP _ì Ot “:> ^_‰7 >”: 7;™ ?; 7;[? <_‰:> 8;:> < CC. Ns 8iZd ?@b CC 7;= ?;[ BLp _Q7?]:; _Q7?]:;· BLp ^]7; ^]7; ?;„ *I ^]7; ^]7; O¨ r >id î d‚? :[7 r…:> ∆*I— ?@6i <9: d‚? :[7 r…:> ∆*I. LF = ^m? î 8;iZ: v\:> :>=i ~ NC v„ 7;c7 :S:> : ?;7 ;i}: Ob 8;i ?;7 ;i}: 8s? ;‰R 767 ?]: ;i} ~ 7;Z: >ib= dd. Phạm Văn An An – Lớp D06VT1

15


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

&''' Đ:?= 36:5 36:5 2J59 K=W; X59 3Y5 Z[\59 ]=59

Hình 1. : Nguy5n 78 @i 7:> O[? O[? v\:> v\:> 8]: 8]: ^_‰7 ^_‰7 di:; di:; ;b ?@9: H„:; 1. j. j. Up :;E: ^_‰7 BLp ^]7; ?‹ vQi 767 ?;:> OP î 8;iZ: 8;67. Db ?@9: BLp ^]7; :;E: ^_‰7 ?‹ NC— : ?;7 ;i}: î 8;iZ: 7:> O[? v\:> :>=i r…:> 767; ?]:; ?=6: *I ^]7; 7;= î 8iZ: 7:> O[? v\:> 8]: :;b:; ^_`:> aP:>. Up _Q7 ?]:; *I ^_`:> aP:> ?‹ 767 8F ;i} ;=b ?i9 7•b DL DCCH . ƯQ7 ?]:; *I : ^_‰7 O= O6:; vQi *I ^]7;. Ns _Q7 ?]:; : UL DCCH v >ti : ^s: :=›B— ?@6i O[? v\:> ?@=:> < 15XXH¯.

&'^' C/C *IỀU *IỀU CHU"ỂN GIAO T+ONG $CDMA C;Z: >ib= < 6 ?@„:; ^_‰7 ?;7 ;i}: 8;i Up ^¢ 7 8s? :Pi v ?s: ^Z  ?@„ 7;[? <_‰:> ?@: §:. T@=:> )CDMA 7 ?;Z 7 7;Z: >ib= 7‹:> ;=m7 7;Z: >ib= dd.

&'^'&' C6=>5 9:_8 2`59 C;Z: >ib= 7c:> uHH$Ž Hb@ Hb:=v›@w 7•b )CDMA 7°:> >iP:> :;_ 7•b G*M. Up 7;™ :Pi ^ˆ: d‚? :=›B. -;i ?;7 ;i}: H$ ^s: d‚? :=›B 8;67— 8s? :Pi ^s: :=›B 7° ^_‰7 >ii R;:>. T[? 7 767 8s? :Pi Ot “:> 89:; ACH ACH u89:; 8;:> Ot “:> î 8;iZ: 7:> O[? v :; 7;= 767 >i :>”:w ;b D*CH u89:; R;‘ ;‰R :;[? 7;= 767 7; v“ 7;Z: dW7; >iw ^ Ot “:> HH$. N>=i @b HH$ HH$ Ot “:> “:> 7;=Ž √ H$ >iœb 767 ;} ?;P:> u>iœb UTAN v G*Mw.


1


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

√ H$ >iœb 767 ?: OP O:> db:> 8;67 :;b 7•b UTAN.

&'^')' C6=>5 9:_8 a?aba?a 6c5 C;Z: >ib= dd u;=m7 dd ;f:w Ot “:> :;i 8s? :Pi ?‹ d‚? Up ^s: :;i :=›B. Db:; O67; 767 :=›B ?;bd >ib v= 8s? :Pi vQi Up ?@=:> 7;Z: >ib= ddedd ;f: ^_‰7 >i < ª?ER ?]7; 77«. C ?;Z  ^:; ^_‰7 8]7; ?;_Q7 77 ^Wi 7•b ?ER ?]7; 77. T;7 7;[? 7;Z: >ib= < 6 ?@„:; ?@=:> ^ d‚?  u^=W: w ;=m7 ^_‰7 8s? :WR v= ?ER ?]7; 77 ;=m7 r <=Wi @b 8;¥i ?ER ?]7; 77. Đ:; 8µ ;=m7 ?Wi 767 O 8i}: r6= 76= uO 8i}: 1A— 1B v 1C 7;–:> 7;–:> ;W:w— *NC :;E: ^_‰7 ^_‰7 8s?  ^= ?‹ Up ^Z ^_b @b s? ^:; 7;Z: >ib=. *b 8;i s? ^:; 7;Z: >ib=— *NC >iti r: ?i: r‚ ^s: 767 :=›B ?;ì >ti r: ?i: C v ib=. C;Z: >ib= dd 7;= R;ˆR ?S:> OP ^_`:> ?@: ?; ^_‰7 ?@9: ^_`:> aP:> v ^_`:> <9: :;` vE ?S:> ?š OP ?]: ;i} ?@9: :;i¦ u*IŽ *i>:b< ?= I:?›@›@›:7› b?i=wŽ p7eIX up7 < :S:> <_‰:> 7;iR 7\: I X < dE? ^‚ R;l 7:> O[? :;i¦w v <_‰:> ?S:> : ^_‰7 >i < ^‚ <‰i 7;Z: >ib=. *f ^k ?l:> 6? *H$ ^_‰7 7;= ?@9: H„:; 1. .

 1b1b—  1r 1r < i r6= 76= 7;= 767 O 8i}: 1b v 1r ^_‰7 ?;is? OP ?@¦ ^_‰7  ^:; 7;= 767 O 8i}: 1b v 1r

Hình 1. : Thd -9 < < gii thu6t thu6t SHj √ LGc đ-'@ C;™ 7  1 v  + :…d ?@=:> ?ER ?]7; 77. √ Tại CH Biện A. A . up 7eIXwoCICH1 · up7eIXwoCICH(o u 1b1boH1be+w ?@=:> ^ up 7eIXwoCICH1 <

?š OP ?]: ;i} ?@9: :;i¦ 89:; ;=b ?i9 7•b  1 dW:; :;[?— up 7eIXwoCICH( < ?š OP ?]: ;i} ?@9: :;i¦ 89:; ;=b ?i9 7•b  ( :…d :>=i ?ER ?]7; 77—  1b < ;…:> OP i r6= 76= u= NC ?;is? OP ?@¦ O 8i}: v u 1roH1be+w 1 7tb


1g


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

Ol 8s? :WR 7;= O 8i}: 1A. Ns r[? ^–:> ?;c7 : ?k: ?Wi ?@=:> 8;=:> ?;ì >ib: ∆T ?;„  ( ^_‰7 8s? :WR v= ?ER ?]7; 77. √ Tại CH Biện . . up7eIXwoCICH2 · up7eIXwoCICH+ ¸H17— ?@=:> ^ up 7eIXwoCICH2 < ?š OP

?]: ;i} ?@9: :;i¦ 7•b  2 :…d :>=i ?ER ?]7; 77 v up 7eIXwoCICH+ < ?š OP ?]: ;i} ?@9: :;i¦ 7•b  + ?ki :;[? ?@=:> ?ER ?]7; 77— H 17 < ?;:> OP ?@¦ O 8i}: 1C. Ns b: ;} : ?k: ?Wi ?@=:> ?;ì >ib: ∆T v ?ER ?]7; 77 ^¢ ^ ?;„  + r <=Wi @b 8;¥i ?ER ?i7; 77 v  2 O¨ ?;s 7;¡ 7•b : ?@=:> ?ER ?]7; 77. √ Tại CH Biện I. I . up7eIXwoCICH1 ¹ up7eIXwoCICH(o u 1r 1r¸H1rw ?@=:> ^ up 7eIXwoCICH1 <

?š OP ?]: ;i} ?@9: :;i¦ 89:; ;=b ?i9 7•b  1 s :;[? ?@=:> ?ER ?]7; 77— up7eIXwoCICH( < ?š OP ?]: ;i} ?@9: :;i¦ 7•b  ( dW:; :;[? ?@=:> ?ER ?]7; 77 v  1r 1r < ;…:> OP i r6= 76= u= NC ?;is? OP OP ?@¦ v u 1r 1r¸H1rw < 7tb Ol <=Wi 7;= O 8i}: 1C. Ns b: ;} : ?k: ?Wi ?@=:> 8;=:> ?;ì >ib: ∆T ?;„  ( r <=Wi @b 8;¥i ?ER ?]7; 77.

&'d' ĐeC ĐIỂM *f THUẬT T+M GEC &'d'&' %c Zg ;h59 R=1; a1> a1> 61;  a1> ;6=

Hình 1. 1b: S? @ 4h!i m3y ;h3t F) F) I m3y thu F / tuyến H„:; 1. 1X 7;= 1X 7;= ?;[ Of ^k 8;Pi 7•b d6 R;6? v d6 ?; v ?s: ?@=:> )o CDMA. LQR 1 u CC 7;= ?‹:> 8;Pi ?@: ?i uTBŽ T@b:OR=@? B<=78w < ^f: v OP P7 7: at ?;9d 767 ri? ;=b ?i9 v 767 ri? î 8;iZ: 7:> O[? R;6? uTCŽ T@b:Odi? =£›@ Phạm Văn An An – Lớp D06VT1

1j


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

C=:?@=§ :;i9: ;=6w. ;=6w. C;¡i 7;iR Ob :>§ :;i9: :;i9: ;=6 ^_‰7 ^_‰7 >iQi ;W: ?@=:> ?@=:> rS:> ?: ?: 5 MH¯ r…:> r‚ <7 NiiO? 7=Oi: ?S:> 7S: ;bi u;} OP P7 r…:> X—++w v ^_‰7 ris: ^li v= ?_f:> ? r…:> r‚ ris: ^li OP v= ?_f:> ? uDeAw ^Z ^_b <9: î 7;s v:> >7 7;= O:> db:>. T]: ;i} ?@:> ?: uIw Ob î 7;s ^_‰7 ris: ^li :Œ:> ?: v= O:> v ?s: uw ?@=:> rS:> ?: + GH¯— Ob ^ ^_‰7 ^_b <9: 8;s7; ^Wi ?@_Q7 8;i 7;Z: ^s: b:?›: ^Z R;6? v= 8;:> >ib:. TWi R;]b ?;— ?]: ;i} ?; ^_‰7 r‚ 8;s7; ^Wi ^Wi ?WR Œd ?;[R uLNAw 8;s7; ^Wi— ^_‰7 ris: ^li v= ?@:> ?: uIw ?; @ki ^_‰7 8;s7; ^Wi ?s: ?]:; r~i r‚ 8;s7; ^Wi AGC u? î 8;s7;w. *b 8;s7; Wi AGC ?]: ;i} ^_‰7 >ii î 7;s ^Z ^_‰7 767 ?;:; R;: I v ". C67 ?]: ;i} ?_f:> ? 7•b 767 ?;:; R;: : ^_‰7 ris: ^li v= OP ?Wi r‚ ris: ^li AeD— ^_‰7 <7 r~i r‚ <7 NiO? 7=Oi:› ?S:> 7S: ;bi v ^_‰7 R;Œ: 7;ib ?;›= ?;ì >ib: v= d‚? OP ?;:; R;: ^_`:> ?@: 7 767 ?;ì >ib: ?@¦ ?@: O:> 8;67 :;b. M6 ?; A-p 7;: 767 ?;:; R;: _¬:> 7;= ?@_Q7w. *b >ii ?@i R;l 7;= 767 ?;:; R;: :— 7;€:> ^_‰7 8s? ;‰R r~i r‚ 8s? ;‰R d6 ?; A-p— ?]: ;i} ?l:> ^_‰7 >ii ^b: a›:— >ii d¢ 89:; u>ii d¢ Otb <¡iw— ^_‰7 R;Œ: 89:; ?;:; 767 8;Pi ?@: ?i TB v ^_‰7 R;6? ;i}: <¡i. CPi 7‘:> 7;€:> ^_‰7 ^_b ^s:
&'d')' Đi2 Z:a 3j ;6=; ; ^m7 ?]:; 8n ?;E? _Qi ^Œ 7;= ?@Wd ?; R;6? >P7 b ?@9: d‚? OP ?i9 7;ƒ: 7•b (G T* +5.1X2 V.2.X ?;:> b v= ?;6:>  :Sd +X1X. ĐŒ < :;œ:> 9 7 7f r: 7;= vi}7 ?;is? 8s :P? B ?@=:> dW:> (G. C67 9 7 : 6R “:> 7;= ?@Wd >P7 i}: ‚:>— ?@Wd >P7 7¬ ?@:> r„:;— ?@Wd >P7 :‚i ;W? v ?@md >P7 ?Wi :;.  T@Wd >P7 i}: @‚:> Ot “:> ?@=:> 767  P7 7¬ ?@:> r„:; Ot “:> ?@=:> 767  :;¥ ;f: vQi dc7 ?l: ?;[? :;¥ :;[? = 8s? :Pi ?‹ B* ?Qi Up 7¬ 5( B. V ?_f:> ? vQi ?@Wd >P7 :‚i ;W? < v= 8;=:> 25 B.

1.7.2.1. Đối với máy phát N;œ:> ?i9 7;ƒ: : :; 7;= r‚ >;ˆR S:> ?›: d6 R;6? ^f:— ?@=:> ?@_`:> ;‰R R;Œ: ?ER R;6?— ?@: ?@: DBoDCoH*DA DBoDCoH*DA ;=m7 MIM$— 767 9 7 ?@9: :; 7;= 7;= ?‹:> r‚ >;ˆR S:> ?›: R;6?. M‚? B* ;¡ ?@‰ DCoH*DA— DBoDCoH*DA R;6? 7;= ;bi  7‘:> <€7— ?@=:> ^ B* ;¡ ?@‰ DCoH*DA R;6? 7;= ;bi  7‘:> <€7 ?@9: 767 ?: OP O:> dW:>

1


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

C:> O[? ^ @b u =?w 77 ^Wi 7•b d6 ?@Wd >P7 < 7:> O[? ?@:> r„:; 7•b d‚? O:> db:> ^_b v= d‚? ?i vQi ?@~ 8;6:> :>b:> r…:> vQi ?@~ 8;6:> b:; ^:; 7•b d6 R;6?. C:> O[? ^ @b b:; ^:; uATw uATw 7•b ?@Wd >P7 < dc7 7:> O[? ?@:> r„:; ?@9: d‚? O:> db:> d :; O: O[? >;i ?@9: r‚ >;ˆR S:> ?›:. C:> O[? : 7;= ~ r:> 1.g. C:> O[? ^ @b 77 ^Wi u dbaw 7•b B* < dc7 >i6 ?@ ?@:> r„:; ?@9: d‚? O:> db:> ^_‰7 ^= ?Wi r‚ >;ˆR S:> ?›: ?@=:> î 8i}:  7;is ?@9: î 8i}: ?i9 7;ƒ: 7:> O[? ^ @b 77 ^Wi 7•b B*  ?@„ ~ dc7 7;9:; <}7; ¸+ B— o+ B O= vQi 7:> O[? ^ @b b:; ^:; 7•b :; O: O[?. Mc7 7;9:; <}7; ?Pi ^b 7;= R;ˆR < ¸+.5 B— o+.5 B. 0ng 1. f: %/ng 2uYt @Eu r) -)nh @knh c) trạm g!c Q*ại 0S T@Wd >P7 7¬ ?@:> r„:; T@Wd >P7 :‚i ;W? T@Wd >P7 ?Wi :;

P[AT ¹ ¸(j Bd ¹ ¸ +2 Bd ¹ ¸ +X Bd u8;:> R;Œ: ?ER R;6? ;=m7 MIM$w ¹ ¸ 1g Bd u7 R;Œ: ?ER R;6? ;=m7 MIM$w

Bi O[? ^_‰7 Ot “:> ^Z ;W: 7;s :;i¦. TWi d6 R;6? Ot “:> r‚ î 8;iZ: 7:> O[? 7;[? <_‰:> 7f r: ?Wi ^_`:> aP:>. M6 R;6? B* 7 8; :S:> î 8;iZ: 7:> O[? v\:> ^_`:> aP:> ^Z ;i} 7;™:; 7:> O[? ^ @b d6 R;6? 7•b d‚? d¢ 89:; ?_f:> c:> vQi 8F ;i} î 8;iZ: 7:> O[? R;6? ?Wi ^_`:> <9:. C:> O[? ^_‰7 ?;b ^li ?;›= ?‹:> r_Q7 ?_f:> c:> vQi 767 <}:; î 8;iZ: 7:> O[? 7•b 89:;. T;b ^li 7:> O[? ^ @b 8s? ;‰R < 9 7 ?;b ^li ?=: r‚ 7:> O[? R;6? ?@9: ^_`:> aP:> 7•b 89:; OP ^Z ^6R c:> :;i <}:; î 8;iZ: 7:> O[? ?_f:> c:> vQi 89:; OP ^. M6 R;6? B* 7 8; :S:> ?;is? O[? di: OP v\:> vQi d‚? r_Q7 r”? r‚7 < 1 B v 767 r_Q7 ?‘ 7;™:; X.5— 1.5— +.X B. Đ‚ :> Obi 7•b r_Q7 î 8;iZ: 7:> O[? v\:> ^_‰7 7;= ~ B:> 1. j. j. Đ‚ :> Obi 7•b ?;b ^li 7:> O[? ^ @b 8s? ;‰R :;` 7 î 8;iZ: 7:> O[? v\:> ^_‰7 7;= ~ r:> 1.. 0ng 1. : BC -ung 2)i =c @i
BC -ung 2)i =c @i

+X


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

0=c ( -0

0=c 1.Z -0

L=£›@ URR›@ ¸1.X B ¸(.X B o1.X B o(.X B

TS:> u<}:; TC º1ºw Gid u<}:; TC ºXºw

0=c 1 -0

0=c b.Z -0

L=£›@ URR›@ L=£›@ URR›@ L=£›@ URR›@ ¸X.g5 B ¸+.+5 B ¸X.5 B ¸1.5 B ¸X.+5 B ¸X.g5 B oX.g5 B o+.+5 B oX.5 B o1.5 B oX.+5 B oX.g5 B

0ng 1. : Di =c @i 61; 3l; 6m Z:?= 36:5 2J59 K=W; : n[2 ;6_> Zh: K_= K=W; Z[\59 ]=59 &o 7k56 np59 56_= 7:45 ;:l B[2 ) qB Lower +16 dB -16 dB

TS:> u<}:; TC º1ºw Gid u<}:; TC ºXºw

Upper +24 dB -24 dB

B[2 &' qB Lower +12 dB -12 dB

Upper +18 dB -18 dB

B[2 & qB Lower +8 dB -8 dB

B[2 o' qB

Upper +12 dB -1 2 d B

Lower +4 dB -4 dB

Upper +6 dB -6 dB

1.7.2.2. Đối với máy thu Ti5u chun @C nhạy Đm7 ?]:; b: ?@:>— 7;= ?;[ 7;[? <_‰:> 7•b d6 ?; ^ < ^‚ :;W d6 ?;. N ?;Z ;i}: ~ ;} OP ?]: ;i} ?@9: ?WR Œd :;¥ :;[? d d6 ?; 7 ?;Z :;E: W:> v 8;i R;“7 ?]: ;i}. ;i}. D_Qi D_Qi ^Œ < 767 ?;:> OP v v ^‚ :;W d6 d6 ?; 7•b d‚? d‚? OP ?@Wd >P7Ž >P7Ž 0ng 1. 1b: BC nhạy ti5u chun c) 0S Q*ại 0S

T!c @C 2! 7iu 45nh @* mu

)i› A@›b B* M›id b:>› B* L=7b< A@›b e H=d› B*

BC nhạy th)m chun c) 0S F-0m

1+.+ 8rRO 1+.+ 8rRO 1+.+ 8rRO

o 1+1 o111 o 1Xg

0[ Bp 8;:> v_‰? 6 X.XX1 Bp 8;:> v_‰? 6 X.XX1 Bp 8;:> v_‰? 6 X.XX1

Q) chon 45nh 7\n c6n 0ng 1. 11: 11: Kh năng 7) chon 45nh Th/ng 2!

$i-L ArL) 0S

&L-ium [)ngL 0S

Q*c)7 ArL) R H*mL 0S

H*mL 0S

B?n k

TP7 ^‚ OP
1+.+

1+.+

1+.+

1+.+

8rRO

C:> O[? ?@:> r„:; ?]: ;i} dP: 7

o115

o 1 X5

o 1 X1

o 1

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C:> O[? ?@:> r„:; ?]: ;i} 89:; <Œ: 7E:

o 5+

o 2+

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o +j

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Lb 7;: 89:; <Œ: 7E: < 8; :S:> d d6 ?; 7 ?;Z ?; ^_‰7 ?]: ;i} ~ ?: OP d=:> dP: ?@=:> O 7 dm? 7•b ?: OP 89:; <Œ: 7E:. '9 7 ?Pi ?;iZ ^Z B* 7 ?;Z :;E: i}: 89:; d=:> dP: ?@=:> O 7 dm? 7•b 89:; <Œ: 7E: ^_‰7 7;= ~ r:> 1.11 uvQi Bp 8;:> 6 X.XX1w. Phạm Văn An An – Lớp D06VT1

+1


.h/ng 2 3i4 5iện " t'7*n 83 9.DMA :MT;

&'r' *ẾT LUẬN LUẬN CHƯƠNG I T@=:> 7;_f:> ^ ?i9: ^¢ >iQi ?;i} v >ib= i}: v ?s: 7•b ;} ?;P:> (G )CDMA UMT*. T;›= ^ ?b ?;[ ^_‰7 v ?@] 7•b dW:> ?@ :;ER v ?s: dm? ^[? ?@=:> 8is: ?@€7 dW:> (G. M ;„:; >ib= ?;c7 >ib= i}: v ?s: )CDMA >kd ( ^ ?@=:> ;} ?;P:> UTAN. C°:> ?@=:> 7;_f:> : ^¢ >iQi ?;i} 767 89:; 7•b )CDMA 7‘:> 767 ?;:> OP O[?Ž ^Z ;} ?;P:> )CDMA ;=W? ^‚:> r„:; ?;_`:>— 7: 7 d‚? 7f 7;s î 8;iZ: 7:> O[? ?P? ^Z  ?@„ ?™ OP ?]: ;i} ?@9: :;i¦ u*Iw ?Wi dc7 7;= R;ˆR. D= ^ 767 v[: ^ î 8;iZ: 7:> O[? v\:> 8]: v v\:> ;~ ^_‰7 ^ 7ER ?Qi. CPi 7‘:> < 767 8iZ 7;Z: >ib= ?@=:> )CDMA v 767 ^m7 îZd 8n ?;E? ?@Wd >P7 u:=›Bw ?;›= (G. "b ^ ?W= î 8i}: ?;E: <‰i 7;= vi}7 :>;i9: 7c ?;is? 8s :=›B 7;= (G )CDMA UMT* ~ 7;_f:> ?isR ?;›=.


++


.h/ng 2 Thi*t B* n45JI n45JI ch4 83 9.DMA 9.DMA :MT;

CHƯƠNG II THIẾT *Ế T+M GECsNODt B CHO #G $CDMA UMT% )'&' GI(I THIU )CDMA < d‚? 7:> :>;} Ot “:> >ib= i}: v ?s: ?;›= ?i9 7;ƒ: (G ?@=:> 767 ;} ?;P:> ?;:> ?i: i ^‚:> ?;s ;} (. Gib= i}: : ;¡ ?@‰ ?P7 ^‚ OP db:> 7 rS:> ?: 5MH¯. Hi}: :b H*A ^¢ ^_‰7 ^_b @b vQi ?P7 ^‚ OP ib= i}: v ?s: vQi ^ 7Pi i ^‚:> (G uUpw. ĐZ R;6? ?@i: ?@i: d‚? dW:> v ?s: vQi vQi v‘:> R;• v ;i} :S:> ?P?— ?P?— 7: ?@iZ: 8;bi ;:> ;:> :>;„: BT*. V„ ?;s >i6 ?;:; 767 BT* 7;isd ?š <} ?l:> >i6 ?;:; aŒ :> dW:>. dW:>. M¡i BT* rb= >kd R;: R;: at rS:> >P7. ;: at ^ r‚ 8;s7; ^Wi 7:> O[? v ?s: u AŽ AŽ bi= @››:7 =£›@ =£›@ AdR :;[?. B‚ 8;s7; ^Wi 7:> O[? ?s: ?]:; 7;isd 1e( >i6 ?;:; 7•b ?=: r‚ BT* v  A < 8;Pi ?i9 ?;“ 7:> O[? 7;]:; 7•b BT*. ĐZ >id >i6 ?;:; BT*— 7: ^_b @b R;_f:> R;6R ;i} O[? ^Z >id >i6 ?;:; 8;Pi  A ^Pi vQi ?‹:> BT*. Đi : ^\i ;¥i Ot “:> A 7 rS:> ?;:> @‚:>— ?]:; :S:> ?s: ?]:; 7b= v ;i} O[? 7b=. C:> :>;} A OP ;i} O[? 7b= ªDD¸D=;›@?« uDDŽ Di>i?b< @›iO?=@?i=:w ^6R c:> 767 9 7 ?@9:. C:> :>;} DD 7;= R;ˆR <d dˆ= ?]: ;i} ?@_Q7 ?@=:> di: OP. V„ <d dˆ= ?@_Q7 ;=W? ^‚:> :>_‰7 vQi dˆ= = A >Œ @b— :9: ^ @b A ^W? ^_‰7 ^‚ ?s: ?]:; 7b=. C:> :>;} A D=;›@? 7 ;bi R;: 7;]:;Ž r‚ 8;s7; ^Wi 7;]:; u;b r‚ 8;s7; ^Wi O:> db:>w v r‚ 8;s7; ^Wi ^™:;. B‚ 8;s7; ^Wi 7;]:; ;=W? ^‚:> 8;i ^ r‚ 8;s7; ^Wi ^™:; 7;™ <d vi}7 ?Wi d‚? >i6 ?@ ^™:; ^_‰7 ?;is? ?@W:> ?;6i >: r¢= ;\b ^Z ^W? ^_‰7 ;i} O[? 7b= :;[? v : 8;s7; ^Wi ; ;s? 767 ?]: ;i}. B‚ 8;s7; ^Wi ^™:; 7;™ <d vi}7 ?Wi >i6 ?@ ^™:; v R;: ib: >ib: 8;:> ?i9 ?;“ 7:> 7:> O[?. Di ?s: ?]:; ?]:; 7•b b: ;} >iœb ^ @b v ^ v= ^_‰7 d~ @‚:> ^6:> ^6:> 8Z O= vQi v‘:> ?s: ?s: ?]:; 7•b d‚? r‚ 8;s7; 8;s7; ^Wi ^f: v î : 7;= R;ˆR ^W? ^_‰7 ;i} O[? 7b= ;f: O= vQi ?@_`:> ;‰R 767 ?]: ;i} R;i ^_‰7 ^m? ?@=:> v‘:> ?s: ?]: 7•b d‚? r‚ 8;s7; ^Wi 7:> O[? ^f:. Hi}: :b 767 :; O: a[? ^¢ ^_b @b "TU ® d‚? 8iZ ^f: v v ?s: uUw b ?@9: 7:> :>;} ^b O:> db:>. M¡i "TU ;¡ ?@‰ at Phạm Văn An An – Lớp D06VT1

+(



:>;} 8s? ;‰R ?@:> ?: uIw OP 7°:> ^_‰7 Ot “:>. *6 ?]: ;i} v ?s: ^_‰7 8s? ;‰R ?@=:> "TU v 8;:> 7: r‚ 8s? ;‰R ^‚7 O[? 7•b O6 ?]: ;i}  7 ?;Z ^_‰7 7;ib O± ^Z 7i ?;i}: ;i} :S:>. "TU b ?@9: 7:> :>;} ^b O:> db:> 7 7‘:> 8]7; ?;_Q7 :;_ DTU :;_:> 7 :> <_‰:> >[R rb <: DTU. ;: <¤i 7•b 7:> :>;} )CDMA ^_‰7 ?;7 ;i}: ?@=:> rS:> >P7 7•b ?@Wd >P7. T]: ;i} )CDMA ^_‰7 ?@i R;l r~i d‚? d¢ ?@i R;l ?P7 ^‚ 7;iR 7b= (—j2M7RO ?@9: rS:> ?: 5MH¯. TP7 ^‚ : 7b= ;f: :;i O= vQi G*M v 7db+XXX. V„ ?;s ^Z at :>;} ?i9: ?is: ;f: ?@=:> rS:> >P7 7•b )CDMA. C:> :>;} rS:> >P7 )CDMA Ot “:> 767 7:> :>;} vi dW7; dQi :;[?Ž A*IC— D* v GA. [? :;i 9 7 ^m? @b ^Pi vQi :: ?:> rS:> >P7 ^Z v‹b ;¡ ?@‰ 767 ?;7 ;i}: 8n ?;E? )CDMA v ^k:> ?;ì ?;¥b d¢: 767 :; 8;bi ?;67 aˆ? ?‹ b: îZd : v ?s:. L <¤i 7•b )CDMA— :9: :: ?:> rS:> >P7 R;i 7 8; :S:> at ^ì 7•b BT*Ž ?‹ <€7 ?@iZ: 8;bi rb: ^ vQi >i6 ?;:; ?;[R ^s: 8;i d~ @‚:> ^s: 767 7; v“ dQi v R;6? ?@iZ: <_ <_‰:>. ĐŒ < î 7: ?;is? v„ dW:> <: R;6? ?@iZ: v d~ @‚:> vQi :;i :>_ì Ot “:> ;f: v vQi 767 ;¡: ;‰R 7; v 7•b :>_ì Ot “:> ^ 7Pi. C67 7;c7 :S:> v ?]:; :S:> 7•b dW:> v ?s: dQi 7°:> ?;_`:> a9: ^_‰7 rl O:> ?;:> b R;: 7c:> v R;: dd ^Z ;=: ?;i}: ;} ?;P:>. -is: ?@€7 BT* 7 ?;Z ^6R c:> :> <_‰:> rS:> >P7 @[? ;W: B* ( 7•b p@i7OOi=: 7 ?;Z 7:> 7[R :> <_‰:> 15(Cp ?@9: 7 ^_`:> aP:> v ^_`:> <9: ?‹ d‚? ?• d6 ?i9 7;ƒ: uCpŽ C;b::›< p<›d›:? < d‚? ^f: v at ^_f:> vQi ?i :>9: rS:> >P7 uR;: 7c:> v R;: ddw 7: ?;is? ^Z R;6? R;6? d‚? 89:; ?;=Wi ?Wi ?P7 ?P7 ^‚ r…:> (X 8rROw. ĐPi vQi H*A uH*DA¸H*UAw— 8is: ?@€7 rS:> >P7 Ot “:> 7;ib O± ?i :>9: OP v d‚? r‚ . M‚? R;is: at >P7 7 ?;Z ;¡ ?@‰ ^s: 25 d¢ H*DA. B…:> 767; 7;ib O± ?i :>9: ^_`:> aP:>— 7 ?;Z ?Pi _ ;b r‚ 7 ^‚ 7:> O[? v <_ <_‰:> ^_`:> aP:> 8; “:>. B‚ id ?@¦ dW:> ;b :i d‚? 767; 8;67 ?W= :; ;_~:> ?P? <9: ?@i :>;i}d 7•b :>_ì Ot “:> ^ 7Pi ^ 7Pi. ĐZ >id >i6 ?;:; aŒ aŒ :> dW:>— 767 BT* 7•b (G )CDMA )CDMA u:=›Bw ^_‰7 aŒ aŒ :> ?@9: 8is: ?@€7 R;Œ: rP. T@=:> 8is: ?@€7 :— R;: at >P7 BBU uBbO›rb: U:i?Ž ^f: v rS:> >P7w v R;: at v ^_‰7 :Pi vQi :;b b d‚? >ib= i}: v ?s: 7:> 7‚:> 7;:> uCIŽ C=dd=: r. C67 ?@Wd >P7 R;Œ: rP uDB*Ž DiO?@ir?› BbO› *?b?i=:w 8;:> 7;™ 7i ?;i}: 7;[? <_‰:> ?l:> ?;Z 7•b 767 7; v“ dW:> v ?s: :;` 8; :S:> ¦ @:> 7:> 7[R v‘:> R;• @‚:> ;f: ?@=:> 767 di ?@_`:> 8;67 :;b d 7\: ;W >i6 ?;:; <”R ^m?— 8;bi ?;67 7‘:> vQi


+2



vi}7 >id 9 7 v 8;:> >ib: <”R ^m?. T :;i9: DB* ^m? @b 767 ^\i ;¥i v ^= 8iZd ;} ?;P:> = 7[ ?@€7 R;Œ: rP 7•b :. VQi O R;6? ?@iZ: :;i ?i9 7;ƒ: v ?s: :;_ G*MepG*— )LAN— )iMA— )CDMA— H*A— LTp v vi}7 767 BT* R;i ^k:> ?;ì ;=W? ^:> ?@=:> :;i rS:> ?: §: ^s: R;i ?;is? ?;is? 8s 767 BT* ^b rS:> ^b 7;ƒ: ^Z 7 ?;Z ?;Z ;¡ ?@‰ ^_‰7 767 >ib= i}: i}: v ?s:— 767 rS:> ?: v 767 8;: d§ î 7;s 7;s 8;67 :;b. *D u*=?£b@› D›i:› D›i:› bi=Ž v ?s: ^:; :>;˜b r…:> R;: ddw < d‚? 7:> :>;} b: ?@:> 7;= vi}7 R;6? ?@iZ: 767 BT* ^b rS:> ^b 7;ƒ:. C67 >ii R;6R ^b 7;ƒ: ^b rS:> 7;= R;ˆR 767 :; 7:> 7[R ?;is? r >id 7; 8µ :>;i9: 7c R;6? ?@iZ: v v„ ?;s >id >i6 ?;:; :>;i9: 7c 7°:> :;_ @€? :>”: ?;ì >ib: ^_b O: R;d :>;i9: 7c v= ?; ?@_`:>. C:> :>;} *D 7;= R;ˆR ?;is? 8s 767 BT* ^b rS:> ^b 7;ƒ: rS:> 767; aŒ :> d‚? 8is: ?@€7 d~ b ?@9: R;: dd ;} ?;P:> v ?s:. C67 7;c7 :S:> 7•b ;} ?;P:> v ?s: :;_ î 7;se>ii î 7;s— ?W= ?]: ;i}— d¢ ;b v 767 >ib= ?;c7 ^_‰7 ?;7 ;i}: ?@9: :: ?:> R;: 7c:> 8; 767; Ot “:> R;: dd. C67 ?;s ;} ?;:> ?i: i i ^‚:> ?_f:> ^k:> ?k: ?Wi :;i :;i 7:> :>;} ?@ :;ER v ?s: uATw ?@=:> 7‘:> d‚? di ?@_`:> v ?s: ^b ;‰R. C;…:> ;W: di ?@_`:> : < d‚? ;} ?;P:> ^f: :;[? 7;= R;ˆR ^ 7Pi i ^‚:> 7 ?;Z ?@ :;ER r…:> :;i 7:> :>;} ?@ :;ER 8;67 :;b :;_ G*M— pG*— )CDMA — H*A— LTp— )iMA ©. -;6i :i}d 8; ?;7 ;i}: di ?@_`:> :i ?@9:. VQi 8;6i :i}d :— 767 ^ 7Pi i ^‚:> v 767 R;: R;: ?t dW:> 7 ?;Z 7;• ^‚:> 7;: 7;: v ?;]7; c:> ^s: d‚? AT AT R;‘ ;‰R ?@=:> d‚? v‘:> 7; v“ 7“ ?;Z v ?Wi d‚? ?;ì îZd 7“ ?;Z. T]:; :S:> 8; 7;™ >iQi ;W: ~ 767 R;: ?t ^_‰7 <”R ^m? ?@_Q7 ?@=:> 767 ?;is? r. N 7\: rb= ;d 7 ?i aP:>— 7i ^m? v a67 :;E: O ;‰R <} 7•b 767 R;: ?t R;: dd 7: ?;is? 7;= vi}7 767; :— 767 :; O: O[? ?;is? r 7 ?;Z Ot “:> d‚? ?;is? 8s 7;:> 7;= v ?s: ^b 7;c7 :S:> :;` vE d~ @‚:> ^_‰7 ?; ?@_`:> 7;= d‚? O: R;ƒd. ĐPi vQi :; 8;bi ?;67 dW:>— 8; :S:> ?_f:> ?67 >iœb 767 dW:> 8;67 :;b ^f7 ?S:> 7_`:> v vi}7 7ER :;E? ;} ?;P:> 7°:> :;_ Otb 7;œb Obi <¡i 7°:> ¦ :> ;f:. p+ up: ?= p: ›7=:i>@bri@bri;i9: 7c 7•b I*T uI:=@db?i=: *=7i›? T›7;:=<=>i›OŽ Vi}: :>;i9: 7c 767 7:> :>;} 7•b ;i}R ;i ?;:> ?i: 7•b C;Œ Šw ^Z :>;i9: 7c v ^ a[? 7;is: <_‰7 <¤i 7;= vi}7 ?;7 ;i}: v ?s: 8; R;: dd. Tl 7;c7 p + ?;bd >ib v= vi}7 ^:; :>;˜b 767 ?i9 7;ƒ: v 767 ^m7 ?

+5



)'&' *IẾN T+,C CƠ %Ở C.A #G $CDMA UMT% BT% -is: ?@€7 îZ: ;„:; 7•b d‚? ?@Wd ?; R;6? >P7 (G )CDMA )CDMA UMT* u;„:; +.1w rb= >kd rP: R;: 7;]:;Ž R;: v ?s: uŽ bi= @››:7w— R;: rS:> >P7 uBBŽ BbO›rb:w— R;: î 8;iZ: v ?@: §:. M^<›  R;6?e?; 767 ?]: ;i} v ris: ^li ?]: ;i} OP v= O:> v ?s: v :>_‰7 >P7 uBBŽ BbO› Bb:ww at <¤i ?;:> b d^<› ?@: §:. -;Pi î 8;iZ: ^:> ^:> vbi ?@\ î R;Pi R;Pi rb d^<› :i ?@9:. C:> :>;i}R :>;i}R O: a[? ^¢ ^:; d‚? OP OP îZd ?;bd 7;ƒ: uŽ ››@›:7› ››@›:7› =i:?w :;…d ^W? ^f7 >i6 >i6 ?;:; ?;[R ?;[R :;[? 7;= 7;= 767 d^<› d^<› 8;67 :;b. :;b. C;c7 :S:> 7•b ?@Wd >P7 >P7 ^_‰7 7;ib 7;ib ?;:; ;bi R;: 7;]:;Ž 767 7;c7 :S:> dm? R;–:> î 8;iZ: v 767 7;c7 :S:> dm? R;–:> :>_ì Ot “:>. C;c7 :S:> dm? R;–:> :>_ì Ot “:> >P7 v b:?›:. C;c7 :S:> dm? R;–:> R;–:> î 8;iZ: u$žMŽ $R›@b?i=: b: Mbi:?›:b:7›w.

Hình (. 1: Kiến trúc chung c) mCt 0TS C67 r‚ 8;s7; ^Wi 7:> O[? v 767 d^<›  7;isd 5X¶ >i6 ?;:; BT*— :9: 767 :; O: O[? :>;i9: 7c 8s? 8s? ;‰R ;bi 7;c7 :S:> :S:> : v= d‚? d^<› d^<›  :;[? 7 >i6 ?;:; ?;[R ;f:. V„ ?;s 7: 7 d‚? >ib= i}: 7;:> >iœb R;: rS:> >P7 v R;:  ^Z 7l v° 767 O6:> 8is: 7°:> :;_ 7W:; ?@b:; 7;= vi}7 :>;i9: 7c 767 d^<›  v r‚ 8;s7; ^Wi 7:> O[? uAŽ =£›@ AdR;˜b 767 767 >ib= i}: 7;:> ( >iœb BB v R;: . Hbi >ib= i}: 7;:> ^f7 ^:; :>;˜b <Ž CI uC=dd=: rib= i}: v ?s: 7:> 7‚:> 7;:>w v $B*AI u$R›: BbO› *?b?i=: *?b:b@ I:i?ib?iv›Ž O6:> 8is: ?i9 7;ƒ: ?@Wd >P7 d~w. Phạm Văn An An – Lớp D06VT1

+



T@=:> ?@_`:> ;‰R 8;i 767 at d‚? 8iZ ?i :>9:— ?;„ ?P? :;[? < ?ER ?@:> R;: 7c:> v R;: dd v= d‚? :;d ‘:> 7;:> v 767; : 7;= R;ˆR Ot “:> ?i :>9: ;i}  :;[?. D‘:> 7;:> ?i :>9: 7;= R;ˆR ?S:> :> <_‰:> ?@=:> 767 di ?@_`:> ?@=:> ^ 7 ?;Z aƒ @b R;Œ: rP :; 7 ?i :>9: 8;:> ^k:> :;[?. TER ?@:> ?i :>9: rS:> >P7 ?Wi d‚? 7;¡ 7;= R;ˆR 7;ib O± 767 ?i :>9: at iœb 767 — :;` ^ ^W? ^_‰7 Ot “:> :> <_‰:> <_‰:> at 7•b ‘:> 7;:> < : 7;cb ^:> 8; :S:>  R;\:> ?i :>9: r…:> 767; 7;ib O± ?i :>9: 7;:>. T@=:> ?@_`:> ;‰R : <_ <_‰:> 7 ?;Z 7;Z: Ob:> ?i :>9: 8;67 7•b R;: ?i :>9: 7;:> 7;_b ^_‰7 ‘:>. V„ ?;s ?]:; 8; “:> 7•b at ?S:> O= vQi ?@_`:> ;‰R 8;:> ‘:> 7;:> ?i :>9:. H„:; +.+ < v] “ v d‚? 8is: ?@€7 BT* ?@=:> ^ 767 ?i :>9: rS:> >P7 uBBw ^_‰7 ‘:> 7;:>.

Hình (. (: Kiến trúc 0TS =i =i c3c tIi nguy5n nguy5n @lc -_ng chung -is: ?@€7 ?@€7 7•b BT* ?@9: ;„:; +.+ +.+ rb= >kd >kd ;bi R;:Ž R;: ^m7 ?;‘  v R;: 8;:> ^m7 ?;‘ . ;: ^m7 ?;‘  < ^ R;6? ?; v ?s: upŽ @=:?op:w 7;cb 767 R;is: R;6? ?; uTBw— 767 R;is: r‚ 8;s7; ^Wi ^b O:> db:> v 767 R;is: >ib= i}: b:?›: uMCA b: AIUBw— 7\: R;: 7;:> u8;:> ^m7 ?;‘ w 7;cb 767 R;is: at >P7.T@9: ;„:; +.+— at >P7 ^_‰7 7;ib ?;:; 767 R;is: R;6? rS:> >P7 uTB BB w v 767 R;is: ?@ :;ER :>§ :;i9: v ?; rS:> >P7 uAB BB w. TBBB at Phạm Văn An An – Lớp D06VT1

+g



aP:>— : 7 ?;Z d¢ ;b— ?@i R;l v î 7;s. AB BB at <9:— : 7;= R;ˆR >ii î 7;s— >ii ?@i R;l v >ii d¢.

)')' VN ĐỀ THIẾT THIẾT *Ế BuNG GEC )')'&' C12 26`2 559 n59 92 C67 R;is: rS:> >P7 7 ?;Z ?;7 ;i}: c ;i}: c67 67 7;c7 :S:> ii O”R asR 767 89:; vE? ii d¢. √ T@i R;l v >ii ?@i R;l. √ Đi 7;s v >ii î 7;s. √ C67 ?;• ?“7
N>=i @b 767 767 R;is: rS:> rS:> >P7 ?@=:> ?@=:> BT* 7\: ?;7 ?;7 ;i}: 767 7;c7 :S:> ObŽ ObŽ √ LER 7[ ;„:; ?@Wd >P7 v ?s:. √ Đi 8;iZ: . √ ;Œ: R;Pi ?;:> ?i: ;} ?;P:>. √ LER 7[ ;„:; v 7;:>. √ t OP r‚ v R;Œ: R;Pi :€?.

Hình (. ": &/ hình chuy^n chuy^n @Ji 45nh F2p; F2p; Wế; 45nh C67 7;c7 :S:> rS:> >P7 ?@=:> BT* 7:> 7[R :: ?:> 7;= 767 7;c7 :S:> dW:> v ?s:— 767 7;c7 :S:> $žM. D= ^— rS:> >P7 ?W= :9: :: ?:> ^Z at v 767 89:; @i9:> 7;= 767
+j



H„:; +.( 7;= ?;[ ?l:> b: v a”R asR u;b 7;Z: ^liw ?i9 7;ƒ: >iœb 767 89:; <=>i7— ?@: ?i v vE? ;˜bŽ √ C67 ?;• ?“7 ^k:> r‚ 7;= 767 — 767 89:; 7;:> v 767 89:; @i9:>. √ C67 ?;• ?“7 ?@ :;ER :>§ :;i9:. √ C67 ?;• ?“7 î 8;iZ: 7:> O[? v\:> ?@=:> v v\:> :>=i.

ĐZ 7i ?;i}: ;i} :S:> 7•b 8s? :Pi ; 767 ?S:> 7_`:> :;_ R;Œ: ?ER v\:> 8]: v v\:> ;~. *b 8;i ^¢ >P7 ^Z ib= i}: vQi 767 R;Œ: ;} 8;67— 767 R;is: : 7 ?;Z ?@: <_ <_‰:>. Ns ?i <_ <_‰:> ?@9: 767 R;is: rS:> >P7 ?;[R— ?=: r‚ ;=m7 d‚? R;: R;is: O¨ ^_‰7 ^_b v= 7;s ^‚ ?is? 8i}d 7:> O[? ^Z >id ?i9 ?;“ 7:> O[?. T@6i 6 7b=— 767 7f 7;s >i6d O6? v r= v} O¨ >id :> 7f d[? 7‚7 >i.

)')')' C12 36Y_ 2S56 ;6:l; 3l n59 92 BS:> >P7 ^_‰7 ?;is? 8s R;‘ ;‰R vQi ?i9 7;ƒ: (G 7;= )CDMA. N>=i @b 8is: ?@€7 rS:> >P7 ^_‰7 ?;is? 8s ^Z ^6R c:> vQi 767 9 7 ^d r= ;=W? ^‚:> 767 ?@Wd >P7. C67 9 7 : >kdŽ ?]:; ;i}  767 ?i :>9:— :>9:— ¦ ?@iZ: 8;bi— ?_f:> ?;]7; v R;: 7c:> 7;i“ ^f7 ?_f:> 767; Ot “:> 767 7:> :>;} :>;} dQi :;[? :;_ D* uDi>i?b< uDi>i?b< *i>:b< *i>:b< @=7›OOi:>Ž @=7›OOi:>Ž at @=>@b @bdb dbr< r<›› Gb? Gb?› A@@b @@bŽŽ d:> d:> 7l:> 7l:> 8; 8; > “ “:> :>ww v A*IC *IC uARR@b?› Ci@7i?Ž dW7; ?]7; ;‰R ^m7 “:>w— :; O: a[? ^¢ ?S:> 7‹f:> ^6:> 8Z <_ <_‰:> v r6= ;i} î 8;iZ: u^_‰7 ^6:; >i6 ?;›= ?;E? :>œ ªCpŽ 767 R;: ?t 89:;« 7;= 767 89:; vE? w. T@=:> (G ?;E? :>œ ªR;: ?t 89:;« uCpŽ C;b::›< p<›d›:?w ^_‰7 ^_b @b ^Z ^6:; >i6 8; :S:> at >P7 BT*. Cp d ? ?i :>9: :> <_‰:> d :>_ì Ot “:> 7: 7;= d‚? 7; v“ ^m7 ?;‘— v„ ?;s 7 ?;Z ;iZ : :;_ < :> <_‰:> R;: R;: 7c:> 7•b BT*. *P <_‰:> <_‰:> R;: ?t 89:; 89:; b ?@9: 8iZ <_ <_‰:> <_‰:> v R;“ ?;‚7 v= 767 89:; db:> v ?s: 7°:> :;_ OP <_‰:> :>_ì Ot “:> ^k:> ?;ì 89:; db:> v ?s: ^m7 ?;‘. Cp < d‚? ?_f:> ^_f:> ?i :>9: 8;:> ^_‰7 7;ƒ: ;b r~i (G v v„ ?;s : 8;:> ^_‰7 ^:; :>;˜b :;_ :;b r~i 767 :; O: a[?. C67 ^:; :>;˜b Cp 8;67 :;b vŽ u1w OP Cp 7: ?;is? 7;= d‚? 7; v“ 7;= ?@_Q7— u+w 7 7: ?;is? ?i :>9: Cp 7;= r6= ;i} 7;:>— ^= ^W7 ?@=:> 7;s ^‚ :ˆ: ©. ;b 8;:>. Cp < d‚? OP ^= ^f: >i: >i: v ?@7 >i67 v :> <_‰:> <_‰:> 7•b rS:> >P7. >P7. T;›= ^:; :>;˜b :>;˜b ?@=:> ?;is? r 7•b p@i7OOi=: ?;„ R;: ?t 89:; ^_‰7 ^:; :>;˜b < ?i :>9: rS:> >P7 ?_f:> ^_f:> uR;: 7c:> v R;: ddw 7: ?;is? ^Z R;6? d‚? 89:; ?;bi ?Wi ?P7 ^‚ ri? 89:; (X 8rRO u<_ F ?P7 ^‚ ri? 89:; < ?P7 ^‚ 89:; ?;=Wi Ob 8;i ^¢ ^_‰7 d¢ ;b 89:; ?@_Q7 8;i ^_b <9: î 7;s v ?@i R;lw.


+



)')'#' T6:l; 3l 6:l5 ]v 7 n59 92 61; wTxBBB y 2.2.3.1. Các chức năng ! "# $%&ng uống H„:; +.2 7;= ?;[ 767 8;Pi 7;c7 :S:> 7;]:; ^Z at aP:>. N>=i @b d¡i 8;Pi 7\: 7;cb 767 7;c7 :S:> rS:> >P7 8;67 8;:> ^_‰7 ?;Z ;i}: ?@9: ;„:; v¨. t ib= ?;c7 ?;c7 8;:> uŽ @bd› @=?=7= OP u89:; ?„d >iŽ CH v 89:; ?@ :;ER ^_`:> aP:>Ž ACHw v 767 89:; @i9:> uDCHw O¨ ^s: ?‹ >ib= i}: Ir— r‚ at ib= ?;c7 8;:> ^k:> r‚ 767 8;:> v <[ @b R;: ?i ?i: 7•b 8;:> OP ^_‰7 d¢ ;b.

Hình (. X: %3c 4h!i ch+c năng WO 78 @Ung Wu!ng

2.2.3.2. 'h(c hi)n phi*n '+ ,ăng gốc -'+B BB  H„:; +.5 7;= ?;[ ?;7 ;i}: TB BB ^_‰7 7;ib ?;:; ;bi R;:Ž r‚ at ^m7 ^m7 ?;‘ R;is:. R;is:. B‚ at . <_‰:>. ;: 7c:> ^m7 ?;‘ R;is: at _ì Ot “:> ^Z >ti ^s: >ib= i}: v ?s:. ;: 7c:> : 7;cb r‚ at ib= i}: dm? R;–:> :>_ì Ot “:> Ir— r‚ at

(X



Hình (. Z: Z: Thc hin ;hiến Tq0 Tq000 ch* mt ;hsng ngUi 2O -9ng B‚ at ib= i}: dm? R;–:> :>_ì Ot “:> at ib= ?;c7 dm? R;–:> :>_ì Ot “:> 7•b >ib= i}: Ir 7;= 767 <P:> OP Of 7[R v ?;c 7[R uoCCCH v *oCCCHw— 89:; 7;™ ?; ?„d >i uICHw v 89:; vE? uDCHw. B‚ at r‚ u*CHw— 89:; ;=b ?i9 7;:> Of 7[R uoCICHw— 89:; 7;™ ?; r”? uAICHw— ?;7 ;i}: ?@i R;l— O”R asR 8F ;i} î 7;s v R;6? 767 7;¡i ^ @b ^_‰7 R;Œ: rP ^s: T . N 7°:> ^= 7:> O[? R;6? d¢ v at db:> e . B‚ î 8;iZ: at at ii R;:> v db:> v 767 89:;. C67 7;c7 :S:> 7•b r‚ at ib= i}: dm? R;–:> :>_ì Ot “:> Ir v r‚ at 7•b r‚ î 8;iZ: √ C67 >ib= i}: :>=i ^s: NC ^Pi vQi >ib= i}: OP _ì Ot “:>

v Phạm Văn An An – Lớp D06VT1

(1



√ C67 >ib= s: ^s: r‚ at ib= i}: î 8;iZ:.

C;c7 :S:> at ?@=:> GA = 767 v[: ^ v ?@¦ at <_‰:> OP _ì Ot “:>. N 7°:> 7:> 7[R d‚? dc7 ^‚ ^_‰7 ?;7 ?;i}:. C;c7 :S:> at O=:> ^6R c:> ^_‰7 9 7 ?@¦ at iQi ;W:. N>=i @b : 7°:> 7;= R;ˆR ?@: §: ^k:> ?;ì 767 7;¡i @b ^_‰7 R;Œ: rP ^s: T. ;is: TBBB 7 ?;Z at db:> vQi :;i :;6:; b:?›:.

)')'' T6:l; 3l 6:l5 ]v 7 n59 92 ;6= w+AxBBBy %3c ch+c năng WO 78 @Ung 75n ch* D%H T@9: ^_`:> <9:— ?]: ;i} :;E: _‰7 ?‹ >ib= i}: v ?s: ^_‰7 ^_b v= rS:> >P7 ~ W:> ?]: ;i} OP ?‹ R;: v ?s: TB 7•b BT* u;„:; +.w. ĐPi vQi 89:; vE? uDCHw— T]: ;i} ^s: ?‹ T ^_‰7 at 8;Pi 7;c7 :S:> 7•b r‚ >ii î 7;s— 8;Pi : 7°:> 7;cb r‚ ?„d ^_`:> v d6 ?; A-p.

Hình (. : %3c 4h!i ch+c năng WO 78 @Ung 75n c) Tq0 Tq0 0C tìm @Ung T@=:> di ?@_`:> ?@: O:> ^b ^_`:>— d6 ?; A-p R;i ris? 8;i := 767 ?ib O:> ^s:— :>;˜b < : R;i a67 ^:; v ?@] 7•b 767 ?ib O:> ^b ^_`:> : ?@9: ?@“7 ?;ì >ib: ?@¦ ^Z 7 ?;Z [: ^:; 767 :>: A-p ^s: 767 v ?@] d ?Wi ^ 767 R;: ?t ^b ^_`:> ^W? ^f7 d‚? 7:> O[? :;[? ^:;. N;i}d v“ 7•b r‚ ?„d ^_`:> ?@=:> rS:> >P7 < ^k:> r‚ 767 :>: 7•b d6 ?; A-p. Phạm Văn An An – Lớp D06VT1

(+



&3y thu [AK M6 ?; A-p R;Œ: ?67; 767 R;: ?t ^b ^_`:> v 8s? ;‰R :;[? 6: 7;€:> ?;:; d‚? v›7?f ?]: ;i} ?P?. Đi : 7;= R;ˆR ?S:> a67 O[? ^_b @b s? ^:; ^€:> v 7i ?;i}: ;i} :S:> d6 ?;. 0C 4ết hl; @*ạn / T@=:> 6 ?@„:; 7;Z: >ib= dd ;f: 8;i aƒ @b 7;Z: >ib= >iœb 767 ^=W:  7‘:> d‚? BT* v ?@9: 7‘:> d‚? O:> db:>— 767 ?]: ;i} Ob ?67; O:> ^_‰7 8s? ;‰R vQi :;b. C67 ?]: ;i} DCH ^_‰7 R;Œ: 89:; v >ii O”R asR ?;:; DCH 7•b 89:; ?@: ?i 7;= r_Q7 at r‚ >ii d¢. 0C gii mM T]: ;i} ^ v= r‚ >ii d¢ rb= >kd 767 ri? dd ^b: a›: ?‹ r‚ >ii î 7;s. -;Pi >ii d¢ ?;7 ;i}: 767 7;c7 :S:> ObŽ √ Gii ^b: a›: <: ;bi √ Gii R;Œ: ^=W: 89:; vE? 7; v“ √ ;Pi ;‰R ?P7 ^‚ √ Gii ^b: a›: <: d‚? √ Gii d¢ a=”: v ?@r= √ ;6? ;i}: <¡i ?;›= CC.

%3c ch+c năng WO 78 @Ung 75n ch* [A%H -;i Up ?„d 767; 8s? :Pi vQi BT*— BT*— d6 ?; ?@ :;ER :>§ :;i9: O¨ R;6? ;i}: ;i}: ?i: ?P 7;cb 7;œ 8F O¨ ^_‰7 Ot “:> 7;= R;: r: ?i: ACH. *b 8;i d6 ?; R;6? ;i}: ?i: ?P— : a67 ^:; R;: R;: r: ?i: ACH Ot “:> “:> 7;œ 8F := v 7 ^• ?i :>9: rS:> rS:> >P7 ;b 8;:>. Ns ^•— : >ti r: ?i: ^k:> F uA78w ^s: Up ?;:> b at aP:> v r”? ^ at iP:> :;_ ^¢ ?@„:; r ~ ?@9: 7;= DCH. • %h+c năng gi)* th+c 4hung ch* D%H I [A%H FD%H ]P I [A%H ]P

C;c7 :S:> >ib= ?;c7 8;:> 7;= DCH v ACH <”R @6R OP ib= ?;c7 8;:> v= 767 8;:> vQi d¡i 8;:> rb= >kd ?i9 ^ v ?i ?i: uOP _ì Ot “:>w. *b ^ 767 8;:> OP ti ^s: NC ?;:> b dm? R;–:> :>_ì Ot “:> Ir. AB 8;i R;“7 ?;:> ?i: :>9: >P7 ^_‰7 :;E: ^_‰7 ?‹ ?]: ;i} ?; v ?s: 7;= 767 89:; ?@ :;ER :>§ :;i9: v 767 89:; @i9:>. (G ^¢ ^:; :>;˜b 767  Phạm Văn An An – Lớp D06VT1

((



^:; ^Pi vQi ;i} :S:> ?; ^_`:> <9:. Đ‚ :;W ?;— ;i} :S:> ?š OP ?]: ;i} ?@9: :;i¦ v :> 8_‰:> 767 89:; vE? <9: rS:> >P7 uAB BB w ^_‰7 7;ib ?;:; ;bi R;: 7;]:;Ž r‚ at at w. R@=7›OOi:>w. B‚ at . <_‰:>. ;: 7c:> D at _ì Ot “:> :;E: ^_‰7 ?‹ >ib= i}: v ?s: ^s: >ib= i}: Ir. H„:; +.g 7;= ?;[ 767 8;Pi ?@9: R;i9: AB BB.

Hình (. f: Thc hin [Aq0 ;: D 7;cb 7;cb 767 8;PiŽ at § :>§ :;i9: uACHw uACHw ?‹ OP ib= i}: v ?s:. -;Pi at O[? ?@9: >ib= i}: v ?s:. -;Pi at ii d¢ ?@_Q7 8;i >ti 7;€:> ^s: NC ?;:> b >ib= ?;c7 8;:> Ir. Phạm Văn An An – Lớp D06VT1

(2



-;Pi at ii d¢ ?@_Q7 8;i >ti 7;€:> ^s: NC ?;:> b >ib= ?;c7 8;:> Ir. C67 >ii ?;E? v 7;c7 :S:> ^Z at _ì Ot “:> ^_‰7 ?;7 ;i}: ?@=:> R;: 7c:> 7P ^:; uA*ICw ^Z ^d r= :> <_f:> 7b=. T@6i ii ?;E? ^Z at _ì Ot “:> u7;–:> ;W: ^b:; >i6 89:;w ^_‰7 ?;7 ;i}: ?@=:> R;: 7c:> 7 ?;Z ?;b ^li ?i uD* ;b GAw. C;c7 :S:> dQi u= 767 ?S:> 7_`:> ?@=:> 767 ?i9 7;ƒ: (Gw 7°:> ^_‰7 ?;7 ;i}: ?@=:> R;: 7c:> 7 ?;Z ?;b ^li ?i uD* v GAw. C[ ?@€7 u;„:; +.gw v 8s? ;‰R R;: 7c:> 7P ^:; ^:; vQi R;: 7c:> 7 ?;Z ?;b ^li ?i ?W= :9: 8is: ?@€7 7; ^_‰7 ?_f:> 767; 7ER :;E? 767 >ii ?;E? ?@=:> R;:

7c:> 7 ?;Z ?;b ^li ?i v R;: dd √ ;: 7c:> : ^_‰7 7;ƒ: r 7;= 767 7;c7 :S:> ?_f:>
;:; ?_f:> ;˜b @…:> 7 ?;Z :Œ:> 7[R 767 7;c7 :S:> v 767 d~ @‚:> 8; d~ @‚:> 7•b DCH v CCH ^d r= @…:> 7 ?;Z ?S:> :> <_‰:>

?‹:> 8;Pi r…:> 767; Ot “:> 767 7:> :>;} A*IC— GA v D* √ C[ ?@€7 8;Pi ;¡ ?@‰ ?@‰ 7°:> 7°:> :;_ >iœb 767 8;Pi at

7;= R;ˆR ^W? ^_‰7 :> <_‰:> 7b= ;f: -is: ?@€7 d^<› 7;= R;ˆR 767 :; 8;bi ?;67 ?;b ^li ?;7 ;i}: 8;i 7: ?;is?. C;–:> ;W: >ii R;6R :> <_‰:> ?;[R O¨ Ot “:> at ri}? :> <_‰:> ?;[R v at 8;i ^ >ii R;6R DCHeCCH :> <_f:> <_f:> 7b= O¨ Ot “:> at ri}?— 8; ^:; ^:; 7¬ :> :> <_‰:> 7b= v at ^_f:> 1 89:; ?;=Wi (X8rROw 7;= O6 O:> db:>o.

)'#' T+M GEC ĐA CHUzN CHUzN ĐA BuNG BuNG V V C!NG NGH NGH V! TU"ẾN ĐƯ{C Đ|NH NGH}A B~NG FHẦN MỀM )'#'&' G:: ;6:k= VQi O R;6? ?@iZ: :;b:; 767 ?i9 7;ƒ: :;_ G*MepG*— )LAN— )IMA— )CDMAeH*A— LTp— 767 ?@Wd >P7 v ?s: ?@=:> ?_f:> ib= i}: v ?s:— :;™ rS:> ?: v :;i 8;: W:> î 7;s. C:> :>;} v ?s: 7;= R;ˆR R;: 7c:> 8; ;i9: 7c R;6? ?@iZ: ?@Wd >P7. C:> :>;} *D u*=?£b@› D›i:› bi=Ž v ?s: ^:; :>;˜b r…:> R;: ddw 7:> 7[R >ii R;6R ;i} — ]? ?P: 8ˆd ^Z aŒ Phạm Văn An An – Lớp D06VT1

(5



:> 767 ?@Wd >P7 v ?s: ^b d=›— ^b rS:>— ^b 7;c7 :S:>. :S:>. -;:> ?k: ?Wi d‚? ^:; :>;˜b  :;[? 7;= *D. C ?;Z 7=i 7:> :>;} *D < 8s? ;‰R 7•b 767 7:> :>;} R;: dd v R;: 7c:> d ~ ^ 7 ?;Z b: ?@:> r…:> 767; :Œ:> 7[R R;: dd. Ni d‚? 767; 8;67 aˆ? ?;›= F :>;˜b 7•b 767 ;} ?;P:> i ^‚:> 8; :>;} : <Ž ^ 7Pi ^b ?i9 7;ƒ:— v ?s: 8; ?@i u7=>:i?iv› @bi=w— v ?s: 8; ii R;6R ^b ?i9 7;ƒ:— ^b rS:> 7;= R;ˆR 767 :; 7:> 7[R ?;is? r >id 7; 8µ :>;i9: 7c R;6? ?@iZ: v„ ?;s >id >i6 ?;:; :>;i9: 7c R;6? ?@iZ: v @€? :>S: ?;ì >ib: ^_b @b ?; ?@_`:>. N>=i @b : 7;= R;ˆR >d 7;i R;] r= _¬:>— O: a[? v 7i ?;i}: d=^< u>id >]b ?;:;w. T :;i9: 7;i R;] R;: dd 7;= 767 >ii R;6R *D 7b= ;f: ^Pi vQi 767 >ii R;6R @i9:>. ĐPi vQi :; 8;bi ?;67— *D 7;= R;ˆR ?: 8;67 :;b. C;–:> ;W: 7 ?;Z Ot “:> : ^Z :;b:; 7;:> R;• O:> 767 v‘:> ::>eîZd ::> r…:> 767; Ot “:> 767 Oi?› ;i}: 7. Hi}: :b d‚? OP ;¢:> O: a[? ?ER ?@:> :>;i9: 7c 7:> :>;} *D 7;= 767 >ii R;6R ^b 7;ƒ:— 7;ƒ:— ^b rS:> ?;›= 767 ?i9 ?i9 7;] ObŽ ObŽ √ Đb rS:>— ^f: 7;ƒ:Ž

o 1—je 1—je+— +—1e 1e+— +— GH¯Ž GH¯Ž )CDM )CDMA A UMT* UMT* o +—5e +—5e(— (—55 GH¯ GH¯ŽŽ )i )iMAe MAeIp Ippp pp jX+ jX+.1 .1› › √ Đb 7;ƒ: ?@=:> d‚? ?: OPŽ

o +—1 +—1 GH¯Ž GH¯Ž )CD )CDMA MA UMT* UMT*—— H* H*A— LT LTp √ Đb 7;ƒ:— ^b rS:>Ž

o 1—je+ 1—je+—1e —1e+— +— GH¯ GH¯ŽŽ )CDMA )CDMA UMT*— UMT*— H* H*A A— LT LTp o 1—je+—1 1—je+—1e+— e+—e(— e(— GH¯Ž GH¯Ž )CDMA )CDMA UMT*— UMT*— H*A H*A— LT LTp— )IMA )IMA.. T@=:> ?;:> ?i: i ^‚:> *D :li <9: :;_ d‚? ª^ ?i ::>« v= ^ :Sd 1X — 8;i ^ :;i :>_ì :;„: :;E: 7:> :>;} : < >ii R;6R 7;= 767 v[: ^ at 767 ^ 7Pi ^b d=›e^b rS:> ;i}: ^Wi. N> :b ; ;s? 767 ?;is? 8s ?@Wd >P7 ^ ;_Q:> ^s: 767 8is: ?@€7 *D.

)'#')' N9=>45 7 2c K• 2€_ 212 a1> 61; ;6= Z_ n59 M‚? d6 R;6? ?; uTw ^b rS:> < d‚? ^ v= v ?s: 7 ?;Z ;=W? ^‚:> ?Wi :;i rS:> ?:. Tb 7 ?;Z ^ d‚? ?ER 767 rS:> ?: ^¢ ^_‰7  ^:;. ^:;. B:> +.1 +.1 7;= ?;[ 767 767 rS:> ?: ^f7 7;: 7;= 7;= :>;i9: 7c 7c ^ v ?s: ^b rS:> uMBpŽ M

(



0ng (. 1: %3c ăng tEn tEn @?c chon @^ thc hin &0] &0] BS:> ?: T: OP ?; T: OP R;6? I 1+Xo1jX MH¯ +11Xo+1gX MH¯ II 1g1Xo 1gj5 MH¯ 1jX5 o 1jjX MH¯ IV 1g1X ® 1g55 MH¯ +11X ® +155 MH¯ BS:> d~ @‚:> +5XX ® +5gX MH¯ ++X ® +X MH¯ MBp R;i 7;= R;ˆR ¦ @:> ?;b ^li rS:> ?: d 8;:> 7: ?;b ^li R;: 7c:> ^Z 767 :; 8;bi ?;67 7 ?;Z 8;:> 7;™ ?: dQi d 7\: ¦ :> v ?Pi _ dW:>.

)'#'#' *:l5 ;<2 ZP= 61; ;6= J ;=>l5 Z_ n59 wMB‚ty wMB‚ty Hi}: :b 767 ^ R;6? ?; v ?s: upŽ @=:?op:w 7•b (G )CDMA BT* ^ ^f7 ?;is? ^Z 7 ?;Z R;“7 v“ ^_‰7 ^k:> 2 O:> db:> ?@9: 7‘:> d‚? rS:> ?: 7•b )CDMA— :>=i @b 767 :; O: O[? 7°:> ^b:> ;_Q:> ?Qi ?;is? 8s 767 BT* <d vi}7 ?@=:> :;i rS:> ?: )CDMA v 7 ~ 767 rS:> ?: 7•b 7:> :>;} ?@ :;ER v ?s: 8;67. C67 ^ R;6? ?; v ?s: ^b rS:> uMBpŽ M ^_‰7 767 8µ v:> :— :— v„ ?;s ?@=:> R;: : ?b O¨ aˆ? 767 MBp.

2.3.3.1. /i*n /i*n t0c tng tng uát c5 c5 m6t $ầu phát phát thu v tuy*n $5 ,ăng -8B9: H„:; +.j d ? 767 d^<› ?@=:> d‚? ^ R;6? ?; v ?s: ^b rS:> uMBpŽ M;i9d :>m? ;f: :;i O= vQi 767 d=^<› ?@=:> p ^f: rS:>.

Hình (. : Kiến trúc tJng u3t c) &0] Phạm Văn An An – Lớp D06VT1

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B‚ 8;s7; ^Wi 7:> O[? u7;= rS:> ?: ^_‰7 <b 7;:w R;i <d vi}7 ?@9: i rS:> ?: @‚:> ?‹ 1jXX MH¯ ^s: +gXX MH¯. T;is? r >;ˆR :Pi b:?›: uACpŽ A:?›::b C=R piRd›:?w piRd›:?w 7;: rS:> 7: ?;is? u^s: v ?‹ b:?›:w v 767; < R;: R;6? uTw v R;: ?; uw uw ^:> vbi ?@\ :;_ r‚ <7 <7 O=:> 7:>. 7:>. B‚ 8;s7; 8;s7; ^Wi ?WR Œd ?;[R uLNAŽ uLNAŽ L=£ N=iO› N=iO› AdR 7•b MBp ^_‰7 î ;:; r~i d=^<› î 8;iZ:. M=<› : 7 ?;Z ?@: 767 <}:; 7°:> :;_ ^6R c:> ?@W:> ?;6i b ;bi >ib= i}:— d‚? b 8s? :Pi ?@7 ?isR vQi ^ 7Pi î 8;iZ: ?Wi 7;¡ v d‚? b 8s? :Pi ?Qi r‚ R;E: $žM 7•b ?@Wd >P7. Đ R;6? ?; v ?s: 8s? :Pi ?Qi R;: at >P7 b d‚? d=<› >ib= i}: ?;]7; ;‰R— ?Wi ^ 767 8F ;i} ^_‰7 O”R asR ?;:; d‚? <k:> ri? ?P7 ^‚ 7b= v :>_‰7 Ž u1w 8is: ?@€7 ris: ^li ?@7 ?isR v u+w 8is: ?@€7 b ?@:> ?:.

2.3.3.2. /i*n t0c t0c ,i*n $i t0(c ti*p T@=:> 8is: ?@€7 : 767 ^ ?; v ^ R;6? ^ Ot “:> ris: ^li ?@7 ?isR u;„:; +.w. C ?;Z Ž ?@:> ?: uIw 8;:> ;b ?@:> ?: ?;[R R;“ ?;‚7 v ?: OP 7•b r‚ >ib= ^‚:> î 8;iZ: OP uNC$Ž Nd›@i7b< C=:?@=< $O7i ^ OP. -;i NC$ ^_‰7 ^m? rS:> X u7;s ^‚ I 8;:>w— O:> db:> ^_‰7 ^m? a:> b:; 8;:> ?@=:> rS:> ?: u;„:; +.b— r9: ?@6iw v v„ ?;s ?@=:> ?@_`:> ;‰R : 7;™ 7 ?;Z at db:>. *b ris: ^li u?@‚:w v= ?: OP v ?s: ?@=:> rS:> ?: v ?s: uw— O:> db:> ?;Z ;i}: ^Pi ac:> a:> b:; ?ER ?: OP r‚ b= ^‚:> :‚i uL=7b< $O7i< R;: ^ R;6? ?_f:> ? u;„:; +.1Xb— r9: R;iw. ĐZ 7;ƒ: r 7;= Ot “:> ^b O:> O:> db:>— O:> db:> 7°:> 7°:> 7 ?;Z ^_‰7 R;Œ: 767; 8;¥i ?: OP ?@:> ?@:> ?Œd ?Wi I ?;[R ^_‰7 a67 ^:; ^:; r~i ?: OP NC$— O:> O:> db:> 7 ?;Z ^_‰7 ?67; @i9:> ?Wi d‚? ?: OP ?@:> ?: ?;[R ^_‰7 a67 ^:; r~i ?: OP NC$ u;„:; +. r— r9: R;iw. T@=:> ?@_`:> ;‰R :— O:> db:> ?@=:> rS:> ?: v ?s: O¨ :…d r9: ?@6i ;=m7 R;i 7•b ?: OP L$ u;„:; +.1Xr— r9: ?@6iw. C67 R;6? aW = 8;isd 8;s? 7•b r‚ î 7;s 7;s Ie" u:; >_f:> >_f:> v \ L$w R;i ^_‰7 ^_‰7 <=Wi ?@‹. ?@‹. Vi}7 Vi}7 d~ @‚:> @‚:> MBp MBp ^s: ?@Wd >P7 >P7 ^b 7;ƒ: 7;ƒ: ^Z ^Z rb= >kd >kd 7 DD )CDMA )CDMAee H*A H*A v )iMA )iMA O¨ ^m? @b 767 9 7 dQi. B‚ R;6? ?; ^b 7;ƒ:e ^b rS:> 7: at ?: rl O:> v ^‚ @‚:> rS:> ?: +XMH¯ 7°:> :;_ ^6R c:> 767 9 7 ;i} :S:> 7;m? 7;¨ ;f: ^Z ;¡ ?@‰ 767 ?]: ;i} $DM 7;= LTp v )IMA.


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Hình (. : Thc hin c): c): ) @Eu ;h3t,  @Eu thu

Hình (. 1b: PhJ c) iến @Ji n\ng tEn trc tiế;: ) t a] 4h/ng,  t a] thY; Phạm Văn An An – Lớp D06VT1

(



2.3.3.3. /i*n t0c ,i*n $i u5 t0ung t0ung tần -;9 -;9 *f ^k 7•b 8is: ?@€7 : ^_‰7 7;= ?@9: ;„:; +.111. B‚ ris: ^li OP ?;:; ?_f:> ? uDACw <d vi}7 ?Wi ?@:> ?: uIw v ^ R;6? ?_f:> ? rS:> @‚:> ?67; @i9:> ^_‰7 Ot “:> 7;= 6 ?@„:; at 767 ?;:; v ?s: uw.

Hình (. 11: 11: Thc hin ;h3tRthu iến @Ji @Ji u) trung tEn Fa]. I OP d~ @‚:> R;Wd vi at =i di: rS:> >P7 ^s: b:?›:. N ?S:> ?;9d ?]:; ?@=:> 8;i v§: >id >i6 ?;:; O: a[?. Bis: ^li ?: OP OP 7:> 7[R ?]:; ?. C;ƒ: 2G v H*DA Ot “:> î 7;s ri9: ^‚ ?;b ^liŽ 1"AM. Đi : ^\i ;¥i ?]:; ?s: ?]:; 7b= 7•b r‚ 8;s7; ^Wi 7:> O[?. ĐZ 7i ?;i}: ;i} O[? r‚ 8;s7; ^Wi— 8n ?;E? ?s: ?]:; ;b ;b <d dˆ= ?@_Q7 OP uDDŽ Di>i?b< @›iO?=@?i=:w ^_‰7 ?;7 ;i}: ?@=:> di: OP. C67 8n ?;E? DD ^_‰7 R;6? ?@iZ: ^Z 7;= R;ˆR Ot “:> 767 r‚ 8;s7; ^Wi >i6 ?;:; ?;[R ;f: O= vQi 767 r‚ 8;s7; ^Wi ?s: ?]:; 7b= ^”? ?i:. Đ‚ R;i ?s: a @b ?@=:> r‚ 8;s7; ^Wi @± ?i: 7 ?;Z ^_‰7 ;i} 7;™:; :;Œ: ?W= r…:> 767 Ot “:> 767 7;c7 :S:> 7•b r‚ <7 ?;]7; c:> ?@=:> di: OP.

)'#'' *:l5 ;<2 ;h59 R=1; 2€_ aƒ; 6k ;659 J ;=>l5 %D+ 2.3.4.1. /i*n t0c phần cứng c5 m6t máy thu phát số H} ?;P:> v ?s: *D ^_‰7 aŒ :> ?@9: 7f O~ 8is: ?@€7 R;: 7c:> :: ?:> 7•b d‚? d6 ?; R;6? OP :;_ 7;= ?@9: ;„:; +.1+. T@9: T@9: ;„:; +.1+ ?b ?;[ 8is: ?@€7 ?l:> 6? 7•b d‚? d6 R;6? ?; OP rb= >kdŽ ^ v ?s: upŽ bi= @››:7 @=:?o p:w— R;: ?@:> ?: uIŽ I:?›@d›ib?› @››:7w v R;: rS:> >P7.


2X



Hình (. 1(: Kiến trúc tJng u3t c) mCt mCt m3y ;h3t thu 2! C;c7 :S:> 7•b p < R;6? v ?; ?]: ;i} v ?s: uŽ bi= @››:7w ?;:> b b:?›:. T@9: ^_`:> ?;— ?]: ;i}  ^_‰7 ris: ^li ?;:; ?;]: ;i} I ^Z at R;: ?@:> ?:. T@9: ^_`:> R;6?— ?]: ;i} I ^_‰7 ris: ^li :Œ:> ?: ?;:; ?]: ;i} — Ob ^P ^_‰7 8;s7; ^Wi 7:> O[?. ;: I 7; ?@67; :;i}d ris: ^li ?_f:> ? ?;:; OP uADCw ?@9: ^_`:> ?; v ris: ^li OP ?;:; ?_f:> ?_f:> ? uDACw ?@9: ^_`:> R;6?. R;6?. B‚ ris: ^li :Œ:> ?: OP uDUCŽ uDUCŽ Di>i?b< UR C=:v›@?›@w ?@9: ^_`:> R;6? ris: ^li ?]: ;i} rS:> >P7 v ?]: ;i} I OP ?@=:> di: OP. B‚ ris: ^li ;W ?: OP uDDCŽ Di>i?b< D=£: C=:v›@?›@w ?@9: ^_`:> ?; ris: ^li ?]: ;i}  OP v= ?]: ;i} I ?@=:> di: OP. ;: rS:> >P7 ?;7 ;i}: 767 7;c7 :S:> rS:> >P7 :;_ 8s? :Pi 7‚7 >i— 7Œ: r…:>— :; ?:— R;“7 ;ki ^:; ?;ì v ?_f:> b:©. T@=:> d‚? ;} ?;P:> *D u*=?£b@› D›i:› bi=w— R;: rS:> >P7 ^_‰7 ?;is? 8s ^Z 7 ?;Z R;: dd. N>=i @b 767 d=<› DDC v DUC ?@=:> R;: I 7°:> 8; ib= ?;c7 ii î 7;s 7°:> 7 ^_‰7 ?;Z ?;7 ;i}: ?;›= ^:; :>;˜b r…:> r…:> R;: dd. V„ ?;s 7 ?;Z ?;Z ?;b ^li 7;s ^‚ ;=W? ^:> d‚? ?;is? ?;is? r 7 8; :S:> *D ;=m7 ?S:> 7_`:> 7;s ^‚ 8;bi ?;67 ?;67 Ob O[? a_~:> 7;= ?;is? r : r…:> R;: dd. H} ?;P:> *D < d‚? ;} ?;P:> 7 ?;Z ;˜b < 7 8; :S:> ?;7 ;i}: ris: ^li ?_f:> ? ?;:; OP v :>_‰7 b ?Wi b:?›:. T :;i9: 767 7:> :>;} ADCeDAC ;i}: :b 7;_b ^• ^Z ;¡ ?@‰ rS:> ?;:> OP— i ^‚:> v ?P7 ^‚ <[ d§ 7: ?;is? 7;= vi}7 ?;7 ;i}: R;: v ?s: 8;

21



2.3.4.2. /i*n t0c phần m? -is: ?@€7 R;: dd dd 7•b d‚? ;} ?;P:> *D îZ: ;„:; ;„:; ^_‰7 d ? ?@9: ;„:; +.1(. C67 9: R;: 7c:> ^_‰7 aŒ :> ?@9: 7f O~ :: ?:> R;: 7c:> Ot “:> 767 d=<› 8; i?b< *i>:b< @=7›OO=@Ž r‚ at @bdbr<› Gb?› A@@bŽ d:> 7l:> 8; “:>w v MC uMi7@=7=:?@=<<›@Ž r‚ vi at ?. LQR di ?@_`:> ;=W? ^‚:> ?;7 ;i}: : 9:— : ”? 7; v“. N 7°:> ^d r= 767 >ib= i}: l: ^:; vQi 767 d^<› R;: 7c:> ^f7 Ot “:> r~i 767 “:> ?@9: :. LQR 767 c:> “:> v ?s: ?;7 ;i}: 767 >ib= ?;c7 î 7;se>ii î 7;s ?;:> b 767 d=<› R;: dd. C67 c:> “:> v ?s: 7:> 7[R 7; v“ 7;= 767 >ib= ?;c7 7b= ;f: :;_ )A v TCeI.

Hình (. 1": Kiến trúc ;hEn m
)'#'' *:l5 ;<2 ;<2 5?5 ;@59 n59 92 Z_ 26=„5 T@Wd >P7 ^b 7;ƒ: rb= >kd d‚? :: ?:> R;: 7c:> vW: :S:> 7 ?;Z ^_‰7 ib= i}: v ?s: ^m7 ?;‘ r…:> 767; ?i aP:> R;: dd 7;c7 :S:> ?_f:> c:>. C ?;Z <d ^_‰7 î : ?@=:> 6 ?@„:; 8;bi ?;67 d v§:  ?@„ ;=W? ^‚:> 7•b ?@Wd >P7. C;c7 :S:> 7•b 767 R;: ?t R;: dd ^_‰7 ?i aP:> rb= >kdŽ ?‹ 767 :>S: asR >ib= ?;c7 ^s: 767 >ii ?;E? at rS:> >P7 ^b 7;ƒ: R;i R;‘ ;‰R vQi 767 9 7 7•b 767 c:> “:> 7: ;¡ ?@‰ u767 ?i9 7;ƒ: v ?s:— 767 7;s ^‚ 8;bi ?;67w v R;i ;¡ ?@‰ :S:> ^‚:> 767 ;¡: ;‰R <_ <_‰:> ris: ^li. *= vQi 767 >ii R;6R ?;:> ?;_`:>— : 7 767 _ îZd @¤ @:> :;_Ž Ot “:> 767 ?i :>9: R;: 7c:> ;i}: 7 ;i}  ;f: v ^d r= ^f7 7;[? <_‰:> 7; v“ u"=*w. T]:; ;W? 7b= 7: ?;is? ^Z [: ^:; ?i :>9: 7;= vi}7 at aP:> v ^_`:> <9:. Đi Đi : ^\i ;¥i :;i :;i ?S:> 7_`:> 7_`:> 8is: ?@€7 ?@€7 v : 9: R;: R;: 7c:> ^‚:>. M‚? OP r‚ at ?P7 î 8;iZ: r…:> R;: dd ^_‰7 Phạm Văn An An – Lớp D06VT1

2+



at “:> ^Z ^W? ^_‰7 ?P7 ^‚ ri? 7b= v at OP ^:; ;_Q:> ?;›= <k:> r]?. C67 R;: ?t : ^f7 :Pi vQi :;b b rO î 8;iZ: v OP id O6? r~i r~i ;} ?;P:> î 8;iZ: ur‚ at OP v 9 7. *b ^ r‚ D* O¨ >i @b 767 8;Pi at
Hình (. 1X: Kiến trúc ;hEn c+ng c+ng c) ăng g!c C67 7;¡i at — r‚ R;Œ: 7;:> v r‚ R;E: >ii ?;E? 7;:> 7•b ?;_ vi}: ;} ?;P:> R;“ ?;‚7 v= >ib= ?;c7 9 7 7•b >ib= i}: v ?s: u;„:; +.15w.

Hình (. 1Z: Kh3i nim th in in SD[ ;h\n cY; @^ WO 78 tdn hiu hiu ăng g!c C67 ?;_ vi}: r‚ R;E: ;} ?;P:> :; @i9:> 7:> 7[R 767 7;c7 :S:>  :;[? 7;= di ?@_`:> >ib= i}: v ?s: ^_‰7  ^:; 7;= d‚? ?i9 7;ƒ: 7;= ?@_Q7 u7;–:> ;W: d7 :Pi 767 8;Pi ?@: ?i— ^b: a›:— R;Œ: ^=W: 8;:> v ?s:w. C67 ?;_ vi}: r‚ R;E: 7;:> 7•b ;} ?;P:> rb= >kd 767 7;c7 :S:> ;} ?;P:> 7;:> 7;= 767 >ib= i}: i}: v ?s: 8;67 :;b— :;b— 7 ?;Z r…:> r…:> 767; ?;is?
2(



767 ?;:> OP R;• ;‰R 7;c7 :S:> 7•b ?‹:> 7;ƒ: @i9:>. C67 7;c7 :S:> 7: a›d aˆ? ~ ^Œ rb= >kd 8iZd ?@b v\:> _— ?@i R;l— î 7;s v î 8;iZ: 7:> O[?.. C67 ?;_ vi}: >ii ?;E? 7;:> rb= >kd 767 7;c7 :S:> 7f O~ ^_‰7 Ot “:> @:> @¢i ?@=:> 767 <˜:; v7 vi¦: ?;:> v 8;=b ;7 :;_ 767 7;c7 :S:> <7— ris: ^li =@i›@ :;b:; uTw v 767 7;c7 :S:> ?=6: v›7?f. -;6i :i}d ?;_ vi}: *D R;Œ: 7[R 7;= R;ˆR ^_b @b 767 >ii R;6R 8i:; ?s 8;:> 7;™ ^Pi vQi R;6? ?@iZ: R;: dd d 7 ^Pi vQi r‚ :;Q 7: ?;is? ^Z <_ >iœ d‚? 8;Pi <_‰:> ?@„:; R;: dd. T T :;i9:— 7: 7 767 :>;i9: 7c v ^6:; >i6 OŒ ;f: ^Z 7;c:> di:; ?]:; ?;7 ?i¦: 7•b 767; ?isR 7E: :. t >P7 ?@_Q7 ;s? ^_‰7 ?;7 ;i}: r…:> 767 ?;is? r 8; R;: dd :;_ D* v 767 r‚ ?S:> ?P7 R;: 7c:> uGA 7;…:> ;W:w. ĐŒ < d‚? 8; :S:> ^Z ^_b @b 767 >ii R;6R ^b 7;ƒ:. C;Z: 7; ; ;s? 767 R;: R;c7 ?WR 7•b 8is: ?@€7 R;6? ?; v= R;: OP O¨ 7;= R;ˆR ;=W? ^‚:> ?@=:> 767 rS:> ?: 8;67 :;b v ?@=:> 767 ?i9 7;ƒ: 8;67 :;b. Đi : 7°:> :; ;_~:> ?]7; 77 <9: >i6 ?;:; v„ d¡i :Sd >i6 7•b 767 ?;:; R;: at id ;bi <: ?@=:> 8;i ^ >i6 7•b 767 R;: ?t v ?s: ?_f:> ? 7;™ >id 8;:> 6 1X¶ d¡i :Sd.

)'#'^' VJ ;=>l5 36@ 7 ;<…56 7S: np59 6P5 a?a V ?s: 8; R;: dd < d‚? 7:> :>;} _ì Ot “:> ^s: 767 :>;i9: :>;i9: 7c dc7 ;} ?;P:>. ?;P:>. ĐZ ^6R c:> ^_‰7 d“7 ?i9 Ot “:> 8;6i :i}d 8; @‚:>— ^ 6: p + up: ?= p: ›7=:i>@bri@bri;i9: 7c v ^ a[? 7;is: <_‰7 <¤i 7;= vi}7 ?;7 ;i}: v ?s: 8; R;: dd. -;6i :i}d 8; 7[R 767 7f 7;s 7;= 7 dW:> v ^ 7Pi <b 7;: ^‚:> v ?;]7; c:> c:> vQi :;i 7:> :>;} :>;} v ?i9 7;ƒ: ?@ :;ER 8; 8; “:>. M“7 ?i9 7;]:; 7•b ^k 6: 8; @bri;i9: 7c R;6? ?@iZ:— ?;t :>;i}d v ?;is? 8s 8is: ?@€7 7;= 767 ?;is? r 8; ;} ?;P:> :;…d 7:> 7[R d‚? ?ER R;Wd vi @‚:> 767 <b 7;: ;=W? ^‚:> 7;= 767 :>_ì Ot “:>— 767 :; 7:> 7[R c:> “:> v 7; v“— 767 :; 8;bi ?;67 v 767 :; : :>œ 7:; 767 ;} ?;P:> 8;:> ^k:> :;[?. ĐZ ?;7 ;i}: 767 ?i9 7;] :— d‚? ?ER 767 >i :>;i9: 7c u)Ž )=@8 b78b>›w ^¢ ^_‰7 ^ a[? r~i ^ 6: p + :;…d :>;i9: 7c ?[? 7 767 8;]b 7W:; ?‹ ?;is? r 7•b :>_ì Ot “:> ^s: dc7 ;} ?;P:> ^Z <d 7;= ;} ?;:> ?@~ ?;:; 8; kd O6 >i :>;i9: 7c 8n ?;E? u)w ?_f:> c:> vQi O6 v[: ^ b: ?@:> ?@=:> vi¦: ?;:>Ž :>;i9: 7c ;} ?;P:> p + u)1w’ : Phạm Văn An An – Lớp D06VT1

22



;¡ ?@‰ 7;= vi}7 7[ ;„:; 9: v ?s: u)5w’ 8iZd 7;c:> p + ?@=:> O R;6? ?@iZ: di ?@_`:> ?@: ?;:>. T;9d v= ^ < ;bi >i :>;i9: 7c :; @i9:> 7;= : ;i}d. :>;i}d. M ;„:; v ?s: 8; v= O R;6? ?@iZ: 7•b î 8;iZ: 7[ ;„:; ?Wi 7;¡— 767 8n ?;E? 7;= ?i :>9: 9: vE? ;i9: 7c : O¨ ?is: ;:; O6? vQi :>;i9: 7c v : î 8;iZ: 7‘:> 767 >ib= i}: 7•b 7;€:> 7°:> :;_ 767 ?i :>9: ;i9: 7c : O¨ 7:> 7[R ?;:> ?i: 8; : 7°:> :;_ vE: ;:; R;: dd 7°:> ^_‰7 rb= ;d ?@=:> ^.

Hình (. 1: &/ hình / tuyến 4h 76; 7ại cYu hình Phạm Văn An An – Lớp D06VT1

25



T@9: ;„:; +.1— 767 R;Œ: ?t rS:> >P7 OP ur‚ 7;Z: ^li AeD— r‚ <7— 8;s7; ^Wi ?WR Œd ?;[Rw— R;: ?t ?@: ?;:> urO— 767 7;Z: dW7;— r‚ :;Q ^_‰7 7;ib O±w— R;: ?t 7•b ^ R;6? ?; v ?s: ur‚ at ?P7 œ:> “:> @i9:> ri}?—w... ^ 7 8; :S:> 7[ ;„:; ;=W? ^‚:> ?i: 7E v b: :i:; ?@=:> :>œ 7:; 8; ObŽ #i3m 23t I ;h3t hin T;is? r R;i 7 8; :S:> ^:; 8µ 8iZd ?@b AT ubi= A77›OO T›7;:=<=>Ž 7:> :>;} :>;} ?@ :;ER :;ER v ?s:w dQi ?@=:> ?@=:> v‘:> R;“7 R;“7 v“ 7 ?;Z 7:> 7[R 8; :S:> ?P? ;f: :;_Ž :;_Ž "=* 7b= ;f:— >i6 ?;:; ?@9: dc7 "=* v 7; v“ ?;[R ;f:. Đi : rb= ;d 7 vi}7 ?; ?;ER ?;P:> 89 ?‹ 767 AT 8;67 :;b ^Z ^6:; >i6 ?@W:> ?;6i √ BIm ;h3n

T;is? r R;i 7 8; :S:> ^d R;6: 767 7:> 7[R 7; v“ vQi 767 dW:> 8; “:> ^Z 7;: @b AT ?P? :;[? %ung cY; h trl T;is? r R;i 7 8; :S:> ;¡ ?@‰ 767 >ib= ?;c7 v 76 ?]:; :S:> >ib= ?;c7 8;67 :;b. T‘ ?;›= ?i :>9: v 767 8; :S:> 7•b ?;is? r— 8is: ?@€7 î 8;iZ: 8;iZ: v : — ^‚:>— ?;b ?;s v ib= >ib= ?;c7 ?‹ 767 767 :; O: a[? 8;67 8;67 :;b Ki^m tr) T;is? r R;i 7 8; :S:> 8iZd ?@b dc7 b: :i:; 7•b :>k: ^_‰7 ?i aP:> ?@_Q7 8;i ?i aP:> v 7i ^m? 767 R;: dd ?i aP:>. C67 8iZd ?@b :;_ :;E: ?;7— ?@b= : v ?=: v²: R;i ^_‰7 ?;7 ;i}: √ Bi
T;is? r R;i R;i 7 8; :S:> î î 8;iZ: v î î R;Pi uR;Pi uR;Pi ;‰Rw vi}7 ?_f:> ?67 vQi 767 ?;7 ?;Z :>=i— 7;–:> ;W: 767 ?;7 ?;Z dW:>

)'' B† *HU *HUẾCH ẾCH ĐI C!NG %UT ĐA %‡NG MANG wMCFAy C67 r‚ d6 R;6? ^b O:> db:> ?;›= ?@: ?;P:> Ot “:> d‚? r‚ 8;s7; ^Wi 7;= d‚? O:> db:> Ob ^ d‚? r‚ 8s? ;‰R 8s? ;‰R ?;7 ;i}: 8s? ;‰R 767 767 O:> db:> ^ @b 7•b ?‹:> r‚ 8;s7; ^Wi ?Wi dc7 ?;[R ^Z ^_b <9: r‚ 8;s7; ^Wi 7:> O[? ^b Phạm Văn An An – Lớp D06VT1

2



O:> db:> uMCAŽ M ^Z ?W= 7:> O[?. ĐŒ < >ii R;6R ^f: >i: 7;= 767 d6 R;6? ^b O:> db:>— ? :;i9: MCA 7: 7 ^‚ ?s: ?]:; 7b= ^Z ?@6:; dˆ= î 7;s >ib= ?;=b v v„ ?;s : ?@~ :9: R;c7 ?WR ;f:. D_Qi ^Œ ?b O¨ aˆ? 767 >ii R;6R ?;is? 8s MCA ^Z ^_‰7 ^‚ ?s: ?]:; 7b= v ;i} O[? ?P?.

)''&' C12 3j ;6=; 36=l26 ZS: 2J59 K=W; J ;=>l5 T]: ;i} v ?s: ^b ;‰R ^_‰7 8;s7; ^Wi v ^_‰7 ^_b ^s: b:?›: b r‚ <7 rS:> ?;:>. V‘:> R;• v :> <_‰:> 7•b ?@Wd >P7 O¨ s? ^:; ^Wi <_‰:> 7:> O[? 9 7 ^ @b d6 R;6?. M‚? OP ?:> 7:> O[? ^_‰7 :Pi :Pi ?isR ^Z ^d r= 8;s7; ^Wi 7: ?;is? ?]: ;i} v ?s: ?@_Q7 8;i ^_b <9: ?:> 8;s7; ^Wi 7:> O[? 7Pi 7‘:>. C67 r‚ 8;s7; ^Wi 7:> O[? 7b= ?;_`:> 7 :;i ?@b:OiO?=@ vQi 767 ^ @b ^[ O=:> O=:>. T:> @b ?i9 ?; d‚? <_‰:> 7:> O[? b< ?@_`:> < 767 <b 7;: ?;]7; ;‰R 7;= ?: OP 7:> ?67 +GH¯.

)'')' C12 2J59 596k MCFA MCFA 268 $CDMA MCA 7;= 767 ;} ?;P:> )CDMA R;i ?;¥b d¢: 767 9 7 ObŽ √ Ts: ?]:; 7b=Ž ^Z ?;¥b d¢: 767 9 7 7•b (G √ Hi} O[? ?Pi _Ž ^Z >id ?i9 ?;“ 7:> O[? ?@Wd >P7

N>=i @b 7\: d‚? OP 9 7 8;67 :;_Ž 7 ?;Z O: a[? ? ^‚:> vQi OP <_‰:> 7:> :>;} Otb dˆ= b ?@9: <d dˆ= ?@_Q7. L€7 ^ 7:> :>;} : ^_‰7 ?;7 ;i}: ?@=:> di: ?_f:> ?— Ob ^ 7;Z: Ob:> di: OP. D_Qi ^Œ ?b aˆ? 767 7:> :>;} ^f7 <b 7;: 7;= 767 ?;s ;} :Pi ?isR 7•b MCA 7;= )CDMA.

)''#' MCFA MCFA Kv_ aˆ8 ;6=5 2.4.3.1. =@ $A 8C 8C s!5 mDo thuEn C:> :>;} Otb dˆ= ?;E: u››o=@£b@w ^_‰7 Ot “:> 7;= MCA ?;s ;} ^ 7;= )CDMA. *f ^k 8;Pi 7•b MCA Otb dˆ= ?;E: 7;= )CDMA ^_‰7 ?@„:; r ?@9: ;„:; +.1g.


2g



Hình (. 1f: &%PA 2O) m* tr=c thu6n T]: ;i} ^ v= MCA Otb dˆ= ?;E: ^_‰7 7;ib ?;:; ;bi ^_`:>. T]: ;i} ?@=:> ^_`:> ?@9: ^_‰7 8;s7; ^Wi r~i r‚ 8;s7; ^Wi 7;]:; uMAŽ Mbi: =£›@ AdR 7;s ^‚ AB. C67 dˆ= R;i ?s: ?@=:> MA §: ^s: dˆ= î 7;s >ib= ?;=b v dˆ= : 7‚:> v= ?]: ;i}. M§ 7•b ?]: ;i} ^ @b MA ^_‰7 ^_b v= r‚ ?@‹ ur‚ >;ˆR ^:; ;_Q:>w— ?Wi ^Œ ?]: ;i} r ?@‹ r~i d‚? R;: ?]: ;i} >P7 ^_‰7 <d ?@¦ uR;: _Qi ;„:; v¨w. LF ?_~:>— ?=: r‚ ?]: ;i} >P7 r <=Wi r¥. T :;i9: ?@=:> ?;7 ?s 7;™ 7 ?;Z :ˆ: ?]: ;i} ?‹ +5B ^s: (X B. T@9: ;„:; +.1g— ?;b= ?67 <=Wi r¥ O:> db:> ^_‰7 ^6:;  < v\:> 1. T]: ;i} <¡i ^_‰7 8;s7; ^Wi ?s: ?s: ?]:; ?@=:> r‚ 8;s7; ^Wi <¡i upAŽ upAŽ p@@=@ =£›@ AdR ^_`:> 7;]:;— Ob ^ ^_‰7 ^_b ^s: r‚ >;ˆR ^ @b. T]: ;i} ^ @b MA ^_‰7 ?@¦ ^Z R;‘ ;‰R vQi ^_`:> 8;s7; ^Wi <¡i. Mˆ= 7•b ;bi ^_`:> ^_‰7 7‚:> :>f7 R;b :;b v O¨ 7;™ 7\: P7 ?Wi ^ @b 7•b r‚ 8;s7; ^Wi 7:> O[? ^b O:> db:> uMCA u MCAw. w.

2.4.3.2. FGm mDo mDo t0%ớc v tuy*n tuy*n t%@ng t%@ng t( C ?;Z 7i ?;i}: MA r…:> 767; Ot “:> d‚? r‚ <d dˆ= ?@_Q7 7 ;d ?@: ^W? r‘ ?@‹ ;d ?@: ?@: ^W? 7•b MA. MA. C[ ;„:; ?@=:> ?@=:> ^ r‚ <d dˆ= dˆ= ?@_Q7 v r‚ 8;s7; ^Wi 7:> O[? 7;]:; ^[ :Pi ?:> ^Z ^_‰7 ;} ?;P:> 7 dˆ= ?;[R ^f7 ?@„:; r ?@9: ;„:; +.1j. ;: ?t R;i ?s: <d dˆ= ?@_Q7 ;=W? ^‚:> ?Wi ?: OP v ?s:. ;_f:> R;6R : 7 _ îZd < ?s: ;b ?=: r‚ rS:> ?;:> 7•b r‚ 8;s7; ^Wi.


2j



Hình (. 1: Nguy5n 78 7Im m* tr=c Ld dˆ= ?@_Q7 8;:> ^_b ?;9d O ;b= v= ^ @b O:> db:>— v„ dˆ= ^_‰7 r‘ ?@‹ ?Wi ^ v=. V„ ?;s ;i} O[? 7•b r‚ 8;s7; ^Wi 8;:> r :; ;_~:>.

2.4.3.3. B6 Hhu*ch $ại cng suItJ 

Hình (. 1: Thiết 4ế C 4huếch 4huếch @ại c/ng 2uYt 2uYt -is: ?@€7 ?l:> ?;Z 7•b r‚ 8;s7; ^Wi 7:> O[? uAw ^_‰7 ?@„:; r ?@9: ;„:; +.1. TWi ^ v= r‚ O >id 8; ris: 7 ?;Z î 8;iZ: ?=: r‚ 8;s7; ^Wi. B‚ ?i: 8;s7; ^Wi u@›bdRw ^_‰7 ?;7 ;i}: r…:> 767 8;Pi 8;s7; ^Wi rS:> @‚:>. B‚ 8]7; uD@iv›@w ^_‰7 ?;7 ;i}: ?@9: ?@9: GbAO 7\: r‚ 8;s7; ^Wi 7;]:; 7;]:; uMbi: AdRw AdRw ^f7 ?;7 ;i}: ?@9: GbN ;=m7 LDoM$*w’ 767 r‚ : ^_‰7 î 8;iZ: ?;:> b î}: 6R d~ 7l:> v \:> :i r~i >ib= i}: î 8;iZ: 8;s7; ^Wi uAdR C=:?@=
2



î 8;iZ: uC=:?@=< U:i?w. B‚ >;ˆR uC=R<›@w ^Z ^6:; >i6 7:> O[? @b 7;= >i6d O6?— ;=W? ^‚:> R;: ;ki v ^= 7:> O[?. B‚ 7i@7 rQi r‚ ?67; 7:> O[? ^_‰7 Ot “:> ^Z R;6? ;i}: R;: aW ?‹ b:?›: v 7i ?;i}: V*) uV=› *?b:i:> )bv› b?i=Ž ?š OP O:> ^c:> î}: 6Rw. T[? 7 767 7;c7 :S:> ?@=:> A ^_‰7 î 8;iZ: OP r~i 8;Pi î 8;iZ:. T:> 7Pi 7‘:> ?@=:> d^<› ?@9: < R;: b: ?@:> :;[? rS:> @‚:>. N>=i @b = ?;‹b OP ^™:; ?@=:> ?]: ;i} UMT* ;b A 7b= u·11Bw— :9: ?s: ?]:; < d‚? v[: ^ b: ?@:> ^Z ^d r= 767 9 7 v ACL. V 7S: r: 7 ;bi 8;6i :i}d ?;is? 8s 7;= r‚ 8;s7; ^Wi 7;]:;. -;6i :i}d ^b rS:> R;Œ: 7;ib ?=: r‚ rS:> ?;:> ?;:; 767 rS:> ?;:; R;: v Ot “:> 767 R;: ?t 8; î 7;™:; 7‚:> vQi 8; 7;Z: dW7; ^Z ?;7 ;i}: î 7;™:; 8; @‚:> ?;E? O b ?@9: >ii R;6R 7;™ î 7;™:; 7P ^:; d‚? <: v ^Œ < >ii R;6R ?;7 ;i}: ^f: >i: ;f:— :;_:> 9 7 7b= ^Pi vQi 767 ?@b:OiO?=@ ?@b:OiO?=@ ?@=:> ?@=:> r‚ 8;s7; 8;s7; ^Wi. Hi}: :b >ii R;6R ?;c ;bi ^_‰7 _b ‘:> ;f:. C:> O[? 7b= ?@=:> c:> “:> rS:> @‚:> ^\i ;¥i î}: 6R 7:> ?67 7b=. V„ ?;s :9: ‘:> 767 vE? ?@P:> >iœb 767 rS:> ?;:> @‚:>— @‚:>— 9 7 b= ^‚:> 8F 8F Oi:; R;i ?;[R ?;[R §: ^s: 8]7; ?;_Q7 ?@b:OiO?=@ R;i :;¥. Hi}: :b ^Pi vQi v‘:> R;• O:> ?@:> r„:; vE? ?;ì ?]:; i ^‚:> 7b= 7•b î}: ?t v ^‚ §: :;i}? 7b= u^Z ^_‰7 8;s7; ^Wi 7b= 8;i 8]7; ?;_Q7 ?@b:OiO?=@ :;¥w.

2.4.3.4. Cng ngh) th(c hi)n M‚? OP ?;67; ?;c7 ?;is? 8s Ob ^Œ ^Œ 7: >ii s? ^Z ^W? ^_‰7 ;=W? ;=W? ^‚:> :;œ ^¢ d ? ~ ?@9:Ž √ D= r: ?;Œ: MA R;i 7 ?s: ?]:; ?P? v rS:> ?;:> ^d r= 7°:> :;_ ;i} O[? R;• ;‰R :9: r‚ 8;s7; ^Wi 7;s ^‚ AB ^_‰7 ?;is? 8s b ?@9: 767 ?@b:OiO?=@ LDoM$* uLb?›@b< DiOi=: M›?b :>;} :— ?Wi ?š <} \ 89:; <Œ: 7E: uACLŽ AŸb7›:? C;b::›< L›b8b>› b?i=w o2XB7— ;i} O[? MA ^W? v= 8;=:> +X¶. √ V\:> 1 v v\:> + R;i 7 ^‚ r…:> R;–:> R;b v ri9: ?P? ^Z ^d r= <=Wi r¥ ?P? ?@=:> d¡i v\:>. Đ‚ r…:> R;–:> ^_‰7 î 7;™:; r…:> î}: ?@=:> 6 ?„:; O: a[?— :>;˜b < vi 7;™:; r…:> ?b 8;:> 7: ?;is?. √ Đi 8;iZ: v\:> ?;]7; c:> ^d r= l: ^:; v\:> ?P?. B‚ at 7;= î 8;iZ: : √ T@¦ uτ+w ?@=:> v\:> + R;i 7 ?l: ;b= ?;[R ^Z >id ?l: ;b= 7:> O[? ^ @b 7°:> :;_ :;i}?. Tl: ;b= 6 id ;i} O[? MCA. ĐZ >id ?;iZ ?l: Phạm Văn An An – Lớp D06VT1

5X



;b=— 767 R;: ?t ?@¦ R;i ^_‰7 ?;7 ;i}: r…:> r‚ <7 rS:> ?;:> ;P7 7‚:> ;_~:>. √ ĐZ <=Wi dˆ=— pA ur‚ 8;s7; ^Wi 7:> O[? <¡iw R;i 7 rS:> ?;:> >[R :Sd <:

rS:> ?;:> ?;:> ?]: ;i} MCA C: ^d r= 8s? ;‰R ?s: ?]:; ?P? v ;i} O[? ?P? 7;= pA v„ : R;i 8;s7; ^Wi dˆ= ?‹ MA d 8;:> ^_b ?;9d dˆ=. V„ ;i} O[? ?P? < d‚? ?@=:> 767 d“7 ?i9 ?;is? 8s ;:> ^— :9: 7: >id ?;iZ ?i9 ?;“ 7:> O[? ?@=:> pA.

2.4.3.K. Đánh giá hi)u suIt C67 ^:; :>;˜b _Qi ^Œ 7: ?;is? ^Z O= O6:; 767 >i6 ?@ ;i} O[? u;„:; +.+XwŽ +.+XwŽ √ Hi} O[? r‚ 8;s7; ^Wi rb= >kd 7 r‚ 8]7; v 767 ?:> 7Pi 7°:> :;_ ?l: ;b= ?@=:> dW:> ^ @b 7•b A √ Hi} O[? 8;Pi v v ?s: uUŽ bi= U:i?w U:i?w rb= >kd 7 r‚ 7;Z: ^li ^li DCeDC— 8;Pi T v A :;_ ^:; :>;˜b ~ ?@9:.

Hình (. (b: (b: Bknh nghv) hiu 2uYt Hi} O[? O[? ?Wi ?Wi 7:> O[? O[? 77 ^Wi ^Wi u2Bde2 u2Bde2X)w X)w U ?@9: ?@9: 7f O~ MCA Otb dˆ= ?;E: < 1X¶. Đi : 7 :>;˜b < U ?i9 ?;“ 7:> O[? 2XX).

2.4.3. 2.4.3.L. L. Đánh Đánh giá tM ") NO HPnh HPnh "n "n cEn -CF? -CF? vG phát ạ nhiRu giS Đ6:; >i6 7;= ?;[ ?š <} \ 89:; <Œ: 7E: v R;6? aW :;i¦ >i ?;[R ;f: :;i O= vQi 767 >i6 ?@ 77 ^Wi 7;= R;ˆR 2.4.3.7. 'hng số HT thuEt 8C 8C T;] “ v ?;:> OP 8n ?;E? 7•b MCA ^_‰7 7;= ?@=:> r:> +.+.


51



0ng (. (: Th/ng 2! 4w thu6t &%PA &%PA H} OP 8;s7; ^Wi Đ‚ r…:> R;–:> 8;s7; ^Wi

5+B

C:> O[? ^ @b Đ‚ ?s: ?]:;

2Bd u2X)w

Hi} O[? Di :;i}? ^‚ T;Z ?]7; T@=:> <_‰:> BS:> ?;:>


±X—5B

o -9:; -9:; <Œ: <Œ: 7E: ?;c :; :;[? [? ALC1¹ LC1¹oo 51B7 o -9:; -9:; <Œ: <Œ: 7E: ?;c ;bi ALC+¹ LC+¹oo XB7 ·¶— ?;:> ?;_`:> < 1X¶ rb= >kd 7 r‚ ris: ^li ^li DCeDC ¸5X ^s: 5XXC j <]? g8> +XMH¯ ?@=:> i +11Xo+1gXMH¯— 7 ?;Z î 7;™:; ?;›= ;i}: ?@_`:>

5+



)''' MCFA MCFA : 7a aˆ8 59[m2 ;<859 ;<859 a:?5 K 2.4.4.1. Các cng ngh) tuy*n tUnh hV5 số

Hình (. (1: S? @ 4h!i c) &%PA 2O -9ng 7Im m* tr=c 2! C:> :>;} r6: §: ;i}: ^Wi 7:> 7[R 767 8n ?;E? D*— ADC v DAC 7i ?;i}: ^¢ 7;= R;ˆR ?;is? ?;is? 8s? MCA MCA ;=: ?=: ?=: b ?@9: <d dˆ= ?@_Q7 ?@=:> ?@=:> di: OP uDDŽ Di>i?b< @›iO?=@?i=:w :;` vE >id >i6 ?;:; v ^W? ^f7 ;i} O[? 7b= ;f:. M§ ?]: ;i} v ?s: ?Wi ^ @b 7•b r‚ ris: ^li ;W ?:  ^f7 O= O6:; vQi ?]: ;i} ^ v= OP. * 8;67 ri}? ^_‰7 >id ?;iZ r…:> 767; <d dˆ= ?@_Q7 ?]: ;i} ^ v= ?@=:> vi dW7; A*IC OP ^_‰7 î 8;iZ: r~i D* 7 :;i}d v“ ^Z 7ER :;E? ?;]7; c:>. H„:; +.+1 7;= ?;[ Of ^k 8;Pi 7•b MCA Otb dˆ= :>_‰7 b ?@9: <d dˆ= ?@_Q7 OP.

2.4.4.2. WguyPn "# >> thUch ứng DD OP rS:> >P7 ?;]7; c:> < d‚? 7:> :>;} ^¢ 7;]: dki v ^¢ ^_‰7 7;Z: >ib= ?‹ R;\:> ?;] :>;i}d v O: R;ƒd ^¢ ^_‰7 ?@iZ: 8;bi. -;i 8s? ;‰R vQi 767 >ii ?;E? >id 7:> O[? ^™:;— DD 7i ?;i}: ^6:> 8Z ;i} O[? O= vQi 767 A Otb dˆ= ?;E:. ĐPi vQi 8;bi ?;67 )CDMA rP: O:> db:>— Hi} O[? 7:> O[? 7•b 7;¡i R;6? Phạm Văn An An – Lớp D06VT1

5(



7 ?;Z ^_‰7 7i ?;i}: ?‹ 1X¶ ^s: 1j¶. N>=i vi}7 :; ;_~:> <9: ?i9 ?; 7:> O[?— ;i} O[? 7:> O[? O[? 7\: :; ;_~:> di di ?@_`:> u>id 8;] ?;i ?;i C$ + v= di ?@_`:>w v :; ;_~:> >i6 >i6 ?;:; 8;bi ?;67. Ti9 Ti9 ?;“ 7:> O[? ?;[R ?;[R ;f: O¨ >id >i6 ?;:; ?;:; î}: :S:>. C:> :>;} :>;} DD 7;= R;ˆR ?]7; ;‰R 767 R;: ?]7; 77 7•b B* v= d‚? 8;Pi v v ?s: ;=: ?;i}: uUŽ  U:i?w ?@=:> ^ ?]: ;i} ^ v= < rS:> >P7 OP. C67 ?:> ^ ?Wi R;]b ^ v= ^_‰7 ^:; ?;i9: v= 7;s ^‚ ?s: ?]:; ^_‰7 >i < 7;s ^‚ A. C67 ?@b:OiO?=@ 7:> O[? 7b= <d vi}7 ;i} O[? ;f: :;_:> ?@=:> 7;s ^‚ ]? ?s: ?]:; ;f: ^_‰7 >i < 7;s ^‚ AB. C67 Of ^k î 7;s R;c7 ?WR ?@=:> 767 ;} ?;P:> )CDMA 7 ?š <} 7:> O[? ^™:; ?@9: 7:> O[? ?@:> r„:; 7b= §: ^s: dˆ= ri9: v R;b ?@=:> 767 r‚ 8;s7; ^Wi ?s: ?]:;. Mˆ= : ?;Ed 7;] ?;Z ;i}: @¤ @}? 8;i dc7 7:> O[? @b ^W? ^s: r¢= ;\b— M‚? OP r‚ 8;s7; ^Wi :;Q— :>;˜b < ?]: ^ @b ?Wi d‚? ?;ì îZd 7;= ?@_Q7 8;:> 7;™ r :; ;_~:> 7•b ?]: ;i} ^ v= ?c7 ?;ì d 7 <7; Ot ?]: ;i} ?@_Q7 ^. Mˆ= : <d >id 7[R 7;[? <_‰:> v ?S:> 7:> O[? 89:; <Œ: 7E:’ : 7°:> >Œ @b R;6? aW :;i¦ >i. Hi} O[? r‚ 8;s7; ^Wi R;“ ?;‚7 ^m7 ?s: 7•b 767 ?@b:OiO?=@ ?@b:OiO?=@ 7:> O[? v Of ^k ^:; ?;i9:. Hi} O[? 7i ?;i}: 8;i 7:> O[? @b 7b= ;f: :;_:> ^k:> ?;ì dˆ= 7°:> ?S:> :;b:; 8;i 8;i dc7 7:> O[? ^W? ^s: ^s: r¢= ;\b. V„ ?;s ?š <} 7:> O[? O[? ^™:; ?@9: 7:> 7:> O[? ?@:> r„:; 7b= 7°:> @[? :> ;iZd. Gii R;6R ?P? :;[? 7;= MCA MCA < 8;bi ?;67 767 ?@b:OiO?@=@ ?@=:> ?@=:> 7;s ^ ;i} O[? :;_:> ]? R;i ?s:Ž 7;s ^‚ AB. Gii R;6R : ^\i ;¥i 8n ?;E? ?s: ?]:; ;b ^Z ^d r= 9 7 7 R;6? aW :;i¦ :;i¦ >i v 7:> O[? O[? 89:; <Œ: 7E:.


52



Hình (. ((: Nguy5n 78 7Im 7Im m* tr=c tr=c 2! FDPD FDPD

Hình (. (": S? @ 4h!i c) mCt h th!ng DPD DPD thdch +ng h*In chxnh chxnh T]: ;i} ?‹ DUC ^_‰7 <d dˆ= ?@_Q7— ^_‰7 ris: ^li ?‹ OP v= ?_f:> ?— ^_‰7 ris: ^li :Œ:> ?: v= ?: OP v ?s: v ^_‰7 8;s7; ^Wi ?@=:> r‚ 8;s7; ^Wi 7:> O[?. H„:; +.++ 7;= ?;[ b: ;} >iœb 7:> O[? ;i} ^ v= A v 7:> O[? ^ @b A. Đ_`:> 7=:> v=o@b 7•b A ?@_Q7 8;i ?s: ?]:; ;b r 8;:> ?s: ?]:; ?Wi v‘:> >: r¢= ;\b. DD DD r‚7 ^_`:> ^_`:> 7=:> A ?@~ :9: ?s: ?s: ?]:; ?@=:> d‚? i 7:> ?67 ?67 ^m7 ?;‘. T@_Q7 8;i v= DAC— 767 d§ ?]: ;i} DUC ^_‰7 :;Œ: vQi 767 ;} OP R;c7 @€? @b ?‹ r:> ?@b 7c uLUTŽ L==8 R Tbr<›w. Tbr<›w. C67 ;} OP LUT u?;7 ;i}: 7;c7 :S:> <d dˆ= ?@_Q7w ^_‰7 7ER :;E? ?;›= 767 ?;b ^li 7•b ;:; vi A O= vQi 767 ?;b ^li ?@=:> <_ <_‰:>— di ?@_`:> v :; ;_~:> >i î 7•b ii ?;E? DD 8;:> :;Q ?;:> ?;_`:> 8;:> R;‘ ;‰R ?P? ?@=:> vi}7 at :;Q 7•b A ^_‰7 ?W= @b = 767 ?;b ^li ^‚:> :;b:; ?@=:> dc7 7:> O[? ?@:> r„:;. ĐZ <bi r¥ 767 :; :; ;_`:> : v ^k:> ?;ì ?;ì v§: ?;7 ;i}: 767 9 9 7 ?s: ?]:; 7;m? 7;¨ 7•b (G— 767 ;¢:> ^¢ R;6? ?@iZ: 767 >ii ?;E? ?s: DD vQi Phạm Văn An An – Lớp D06VT1

55



?;]7; c:> :;b:;. ĐZ ^W? ^_‰7 ;i} O[? ?Pi _— DD ^_‰7 8s? ;‰R vQi >ii ?;E? >id 7:> O[? ^™:; 7;= R;ˆR >id ?š OP 7:> O[? ^™:; ?@9: 7:> O[? ?@:> r„:; d 8;:> >Œ ;Wi ^s: pVM up@@=@ V›7?=@ Mb>:i?›Ž ^Wi <_‰:> v›7?f <¡iw. ;: 7c:> rb= >kd 767 DAC— ADC v 767 ?@b:Oi?=@ 7:> O[? LDoM$* ^d r= ?s: ?]:; 7;= rP: O:> db:> )CDMA )CDMA ?@9: rS:> ?: ?: +XMH¯. Tb Tb 7 ?;Z ?;Z ¦ @:> ?;]7; ?;]7; c:> 8is: ?@€7 : : vQi 767 r‚ 8;s7; ^Wi 7:> O[? 7 767 dc7 7:> O[? @b 8;67 :;b— 767 7:> :>;} 8;s7; ^Wi v 767 7:> :>;} r6: §: v ?s: dQi.

2.4.4.3. Đánh giá hi)u suIt C67 8s?  ^= 7;= ?;[ ?;[ O 7i ?;i}: ;i} ;i} O[? ^6:> 8Z ?@=:> DD O= vQi vQi 767 7:> :>;} Otb dˆ= ?;E: u››o=@£b@ u››o=@£b@ ?›7;:=<=>w. ?›7;:=<=>w. H„:; +.+2 7;= ?;[ ;i} O[? O[? U 7•b p@i7OOi=: ^= ^_‰7 R;“ ?;‚7 v=  =?. Đ= ^_‰7 ?;7 ;i}: ?Wi :;i}? ^‚ R;\:>— 7:> O[? BT* 2X) v Ot “:> d ;„:; ^= 1 uTM1Ž T›O? M=›< 1w.

Hình (. (X: BUng c*ng hiu 2uYt [' 2O -9ng DPD Hi} O[? ?Wi 7:> O[? 77 ^Wi u2Bde2X)w < 15¶— v„ ?;s 7:> O[? DC ?i9 ?; ?_f:> c:> 7•b ?=: r‚ U 7 Ot “:> DD < +gX) ?@=:> 8;i ^ ?@_`:> ;‰R MCA MCA Otb dˆ= ?;E: < 7:> O[? ?i9 ?;“ < 2XX).

2.4.4.4. Đánh giá tM ") NO HPnh HPnh "n cEnJ CF? CF? H„:; +.+5 7;= ?;[ ;i} :S:> ;b ?š <} \ 7:> O[? 89:; <Œ: 7E:uACLw ^Pi vQi ?;is? r U+1 7•b p@i7OOi=: ?Wi  dba u2X)w. Đ= ^_‰7 ^_‰7 ?;7 ;i}: ;i}: vQi Ot “:> “:> ;bi O:> db:> )CDMA ?@=:> rS:> ?;:> 15MH¯ u?: OP ?@:> ?Œd +1+—2MH¯w— 767 O:> db:> ^_‰7 î 7;s r~i ?]: ;i} (G TM1. ACL v 767 ^6R c:> R;6? aW :;i¦ >i ^¢ ^d r= ?P? 767 9 7  ^:;.


5



Hình (. (Z: T 7 - 45nh 7\n c6n @* @lc @!i =i ['(1 c) ric22i*n

2.4.4.K. Các tăng c%&ng hi)u suIt Hhác N>=i vi}7 ?;is? 8s DD— 767 U ;i}: ^Wi 7°:> ;¡ ?@‰ 767 7:> :>;} ?S:> 7_`:> ;i} O[? 8;67 v 767 7:> :>;} r6: §: dQi. C:> :>;} D=;›@? < d‚? ?;] “. C:> :>;} : ?S:> ;i} O[? ?@:> r„:; 7•b r‚ 8;s7; ^Wi 7:> O[? :;_:> 7;™ ?S:> ]? ^‚ R;c7 ?WR. T@=:> r‚ 8;s7; ^Wi D=;›@?— ;bi r‚ 8;s7; ^Wi 7‘:> :> ?]7; 7 ?;Z ^_‰7 8s? ;‰R ?;:> b 767 ^_`:> 76R u;=m7 P:> §: O:>w ?Wi d‚? R;: ?_ r_Q7 O:>. M¡i r‚ 8;s7; ^Wi ^_‰7 ?;is? 8s ^Z 7;= 7:> O[? 77 ^Wi ?@9: ?i 5X &d.

Hình (. (: Nguy5n 78 C 4huếch @ại c/ng 2uYt D*hLrty *f ^k 8;Pi 7•b r‚ 8;s7; ^Wi D=;›@? ^_‰7 7;= ?@9: ;„:; +.+. A 7;]:; ^_‰7 ^:; ?;i9: 7;s ^‚ AB— ?@=:> 8;i A ^™:; 7 ?;Z ^_‰7 ^:; ?;i9: v= 7;s ^‚ AB ;b 7;s Phạm Văn An An – Lớp D06VT1

5g



^‚ C. -;i ri9: ^‚ ?]: ;i} r…:> ;=m7 ?;[R ;f: d‚? :tb ri9: ^‚ ^™:;— A 7;]:; ;=W? ^‚:> 7\: A ^™:; 8;:> ;=W? ^‚:> u^:>w. C ;bi A O¨ 7‘:> ;=W? ^‚:> 8;i ri9: ^‚ ?]: ;i} ?;7 ?s ri9: ^‚ A 7;]:; ^_‰7 î ris: r~i 767 ?;b ?;b ^li 7•b 7:> O[? ^ @b. H„:; +.+g 7;= ?;[ ^_`:> 7=:> ;i} O[? 7•b vi}7 Ot “:> ;bi A :i ?@9:. Hi} O[? ^™:; ^_‰7 ^m? ?Wi îZd <‘i B. C67 ?š <} 8;67 7 ?;Z ^_‰7 Ot “:> ^Z 7; ^_`:> 7=:> Ob:> ?@6i ;=m7 Ob:> R;i 7;= R;‘ ;‰R vQi ?š <} 7:> O[? ^™:; ?@9: 7:> O[? ?@:> r„:; ?;7 ?;7 ?s. V„ 8is: ?@€7 D=;›@? 7;cb ^:> R;i ?s:— :9: 7: 7 d‚? 7:> :>;} ?s: ?]:; ;b ?P? ^Z 8;bi ?;67 ^_‰7 ?=: r‚ 767 ?;‚7 ?]:; ?S:> 7_`:> ;i} O[?. C67 ^= ^W7 7;= ?;[ r‚ 8;s7; ^Wi D=;›@? 8s? ;‰R vQi 767 >ii ?;E? DD ?i9: ?is: 7 ?;Z ^6R c:> 767 9 7 ?s: ?]:; 7;m? 7;¨ 7•b (G d v§: 7i ?;i}: ^6:> 8Z ;i} O[?.

Hình (. (f: (f: BUng c*ng c*ng hiu năng năng C 4huếch @ại @ại D*hLrty 78 tzng H„:; +.+j 7;= ?;[ vi}7 ^_b @b 767 r‚ 8;s7; ^Wi 7:> O[? D=;›@? ^¢ ?S:> ;i} O[? U v= 8;=:> +X¶ ?Wi 7:> O[? ^ @b 77 ^Wi. T67 “:> 7•b DD A A ?;Z ;i}: @¤ @:> 8;i O= O6:; vQi ^_`:> 7=:> ;i} O[? 7•b A 7;™ ?;: ?F DD. N>=i @b 7i ?;i}: ;i} O[? b:; dc7 B ?;[R ;f: 7:> O[? @b 77 ^Wi. N;_ vE :s ^Pi vQi U 7:> O[? 2Bd u2X)w ?;„ ?Wi 7:> O[? ^ @b 77 ^Wi— Of ^k MCA b ?@9: 8is: ?@€7 D=;›@? 8s? ;‰R vQi D ?i9 ?;“ 7:> OŒ? < +XX) u;i} O[? +X¶— Of ^k MCA 7;™ Ot “:> DD ?i9 ?;“ 7:> O[? +gX) u;i} O[? 15¶w 7\: MCA Otb dˆ= ?;E: < 7:> O[? ?i9 ?;“ < 2XX) u;i} O[? 1X¶w.


5j



Hình (. (: BUng c*ng c*ng hiu 2uYt ;h9 thuCc thuCc P*ut @!i =i [' 2O -9ng DPD I D*hLrty PA

)'' T+M GEC FH‰N BE wDB%y )''&' C6=>5 ;Š 3:l5 ;<2 B% ; ;<=59 K_59 3:l5 ;<2 B% 6‹5 n T@=:> 8is: ?@€7 ?@Wd >P7 R;Œ: rP uDB*Ž DiO?@ir?› BbO› *?b?i=:w— 767 ^f: v v ?s: ^m? ab uUŽ ›d=?› bi= @››:7 U:i?w ^_‰7 7=i < 767 R;: ?t R;6? v ?; 767 ?]: ;i} v ?s:— 767 ^f: v rS:> >P7 uBBUŽ BbO› Bb: U:i?w ^_‰7 7=i < 767 R;: ?t at >P7 ?‹e^s: NC. T;is? 8s R;Œ: rP DB* 7;= R;ˆR 767 :; 8;bi ?;67 i ^‚:> ?@iZ: 8;bi 767 U u›d=?› UŽ ^f: v v ?s: ^m? abw v ;} ?;P:> :>k: ?67; @i9:> O= vQi BBU. C67 U v 767 BBU 7 ?;Z ^_‰7 8s? :Pi vQi :;b r…:> 76R b:> ^f: d=› d=› = 8;67; ;:> 7:> 7:> 7[R ?@9: 767 8;=:> 767; 1X8d ;=m7 ;=m7 ab ;f: u;„:; +.+w +.+w . H„:; H„:; +.+ O= O6:; >iœb BT* ?;:> ?;:> ?;_`:> ?;_`:> v BT* ^f7 7;Z: ^li v= BT* R;Œ: rP.


5



Hình (. (: S* 23nh ;h?ng 3n 0TS F) th/ng thUng I 0TS ;h\n ! F T@9: ;„:; +.+ ?@Wd >P7 UMT* u:=›Bw rb= >kd d‚? ^f: v rS:> >P7 uBBUw v :;i :;i ^f: v v ?s: ?s: ~ ab uUw :Pi ^s: : r…:> O‰i O‰i b:> ^f: d=›. d=›. -is: ?@€7 ?@€7 R;Œ: rP : 7;= R;ˆRŽ >id ^b:> 8Z 7:> O[? ?i9 ?;“ BT* :;` >id ?l: ;b= 7:> O[? ?@=:> 76R ^k:> ?@“7 u7;–:> ;W: O ;b= 76R ^k:> ?@“7 (B ?_f:> c:> vQi >id 7:> O[? R;6? ?Wi b:?›: 5X¶w— ?S:> 7 < ?;:> ?i:. N>=i @b DB* 7°:> 7;= R;ˆR ^f: >i: v >id ^6:> 8Z >i6 ?;:; ?@iZ: 8;bi dW:> )CDMAeH*A UMT*. C ?;Z Ot “:> 8is: ?@€7 : ^Z ¦ @:> :Œ:> 7[R 767 Oi?› +G ;i}: 7 v d~ @‚:> :> <_‰:> 767 Oi?› (G ;i}: 7 v :Œ:> 7[R )CDMA <9: LTp. C;–:> ;W: ?@=:> di ?@_`:> ^ ?;— 7 ?;Z ?@iZ: 8;bi :;i BBU ?Wi ?@:> ?Œd r= _¬:> 7•b 7:> ? v :Pi 7;€:> ^s: NC b ^_`:> p1— ?@=:> 8;i ^ 767 U ^_‰7 ?@iZ: 8;bi 767; ab :;i 8d >: 767 ^_`:> 7b= ?P7 7;]:;— ^_`:> ? ;¥b— 767 r}:; vi}: v :Pi 7;€:> ^s: 767 BBU r…:> :‚? _`:> 76R b:> ^f: d=›. DB* 7:> 7[R ^f: v >:— @± ?i: 7;= 767 dW:> :;¥. N ^_‰7 ?;is? 8s 7;= v‘:> :>=Wi — 767 îZd ::>— <[R 8]: <¡ ;l:>— ?@=:> ?\b :; ;b v‘:> R;• @‚:> r[? 8µ— dW:> :> <_‰:> ?@:> r„:;. DB* 7;= R;ˆR <”R @6R — ?@: :; v ?@=:> 767 ?\b :;. DB* ^_‰7 ?;is? 8s ^Z ?S:> :> <_‰:> v v‘:> R;• d ]? 7;isd 8;:> >ib: :;[? u:= ==?R@i: ==?R@i:?w. ?w. C[ ?@€7 >: :;² 7•b : 7;= R;ˆR >id >id 9 7 8;:> 8;:> >ib: v >i6 ?;:; ^i ?@Wd. N 7°:> @€? :>”: ^b:> 8Z ?;ì >ib: ?@iZ: 8;bi :;` 7;: ?@Wd v ^:; v‘:> :;b:;. :;b:;. N>=i @b ?l:> 7;[? <_‰:> <_‰:> 7; v“ dW:> 7°:> ^_‰7 7i ?;i}: v„ v„ DB* 7;= R;ˆR R;• O:> 767 di ?@_`:> 8;67 :;b. DB* 7°:> 7;= R;ˆR î 8;iZ: R;: dd ?‹ ab rS:> 7:> 7“ r= _¬:> ?‹ ab uMTŽ ›d=?› Mbi:?›:b:7›w— v„ ?;s >id rQi 767 <: ^s: Oi?›— î i6 ?;:; :;Œ: 7:>.

)'')' H_: 9:@: 61 DB% Tk: ?Wi ;bi >ii R;6R DB*Ž u1w ?@=:> >ii R;6R ?;c :;[? ?]: ;i} v ?s: ?‹ ?;is? r ?@=:> :; ^_‰7 ?@: <9: U ^m? ?Wi b:?›: b:?›: r…:> ^_`:> 76R b:> u;„:; u;„:; +.(Xbw— u+w ?@=:> >ii R;6R ?;c ;bi ?]: ;i} rS:> >P7 OP ^_‰7 ^_b <9: 8;Pi U ^m? ?Wi ?;6R b:?›: r…:> ^_`:> ^_`:> 76R b:> b:> :;_ ?@9: ;„:; +.(Xr +.(Xr u>iP:> :;_ :;_ ~ ;„:; +.+rw. Gii R;6R ?;c :;[? ® ?]: ;i} v ?s: ?@9: O‰i b:> u =v›@ ir›@w ^\i ;¥iŽ u1w ?;is? r rl O:> @i9:>— u+w 7;Z: ^li :;i <: ?: OP v ?s:— u(w : . Gii R;6R ?;c ;bi ® ?@Z: ?]: ;i} OP rS:> >P7 ?@9: O‰i b:> 7;= R;ˆRŽ u1w R;6? ?; ?@7 ?isR 767 ?]: ;i} rS:> >P7 ?@9: O‰i b:>— u+w 8;:> 7: r‚ ris: ^li ?: OP v ?s: v= b:>— u(w Ot “:> 7‘:> ;} ?;P:> 8;bi ?;67 v r= _`:>u$žMw :;_ BT*— u2w *t “:> 7;:> 7f O~ ;W ?:> 7;= 767 c:> “:> 8;67— u5w T‘ 7;: R;6? ?@iZ: O:> db:> v ^=W: . V„ 767 _ iZd 7•b >ii R;6R R;6R ?;c ;bi O= vQi >ii R;6? R;6? ?;c :;[? :9: ;i}: :b : ^_‰7 Ot “:> 7;= ?[? 7 767 BT* R;Œ: rP. Phạm Văn An An – Lớp D06VT1

X



Hình (. "b: H)i ;h?ng ;h?ng 3n D0S.

)''#' C12 2W= 6…56 aS59 DB% 2.K.3. 2.K.3.1. 1. Các giSi giSi pháp pháp t0uy ?@ :;ER i ^‚:> Ot “:> 767 W:> ?@: §: ObŽ √ C67 ^_`:> ?;9 @i9:> +MrRO √ aD*L +a2MrRO √ Vi rb √ "b:> îZd ^s: îZd ?P7 ^‚ 15XMrROe*TM1 7;= dW:> ?@ ;ER v ?s: ?P7

^‚ 7b= ?@=:> ?;:; R;P √ "b:> ?; ^‚:> 8;i dW:> ?@ :;ER R;6? ?@iZ: 7b=.

H„:; +.(1 7;= ?;[ dW:> b:> @i9:> ^Z ?; ?;ER OP . Mb:> b:> @i9:> ?@9: ;„:; +.(1 Ot “:> >ib= i}: îZd ^s: îZd ?i9 7;ƒ: <k:> *TM1 vQi ;bi O‰i b:> ud‚? 7;= ^_`:> aP:> v d‚? 7;= ^_`:> <9:w. Hi}: :b ?Wi 767 :_Q7 7 ;} ?;P:> ?;:> ?i: i ^‚:> R;6? ?@iZ: ?@9: ?;s >iQi ^¢ 7 gX¶ OP Oi?› ?@=:> ?;:; R;P ^_‰7 8s? :Pi b dW:> b:> îZd ^s: îZd ?@9: <k:> *TM1.


1



Hình (. "1: &ạng u)ng ri5ng ri5ng @i^m @ến @i^m @^ thu th6; 2! 7iu 7iu -i @Cng H„:; +.(+ 7;= ?;[ >ii R;6R Ot “:> dW:> b:> ?;“ ^‚:> u$NŽ bOOiv› $R?i7b< N›?£=@8w ?@9: 7f O~ >i ^Z ?; ?;ER OP
Hình (. "(: #ii ;h3; 2O -9ng mạng u)n th9 @Cng gi

2.K.3.2. CIu hYnh mạng >B= chi5 sZ chung các Hhung moN[m h5y Hhái ni)m Hhách sạn noN[B C[ ;„:; : ^_‰7 ?@„:; r ?@9: ;„:; +.(( v +.(2. T@9: ;„:; 767 ;„:; :— dW:> ?@: §: ^_‰7 aŒ :> ?@9: 767 ^_`:> b:> @i9:> îZd ^s: ^s: îZd— 7 ?;Z Ot “:> d‚? ;=m7 ;bi O‰i b:> 7;= d‚? U— ?@=:> d‚? OP 7[ ;„:; d‚? U 7 ?;Z ;¡ ?@‰ rb ^=W: . Phạm Văn An An – Lớp D06VT1

+



Hình (. "": %Yu hình 4h3ch 4h3ch 2ạn n*-L0 =i =i 00' ;h\n t3n t3n

Hình (. "X: %Yu hình 4h3ch 4h3ch 2ạn n*-L0 =i =i 00' @t t6; trung trung

2.K.3.3. =! N\ng h5i s]i u5ng t0Pn mạng ^W gVi Ns <€7 ^ 767 U ^_‰7 8s? :Pi b dW:> @i9:> ?;„ r_Q7 ?isR ?;›= 7 ?;Z ?is: ?Qi Ot “:> ;bi O‰i b:> ?@9: dW:> dW:> $N >i :;_ ~ ;„:; +.(5.


(



Hình (. "Z: Tiến t=i 2O -9ng hạ tEng PjN gi

2.K.3.4. ^W gVi hoGn toGn MW:> ?@: §: OP 7 ?;Z ?is: ?Qi aŒ :> ?@9: 7f O~ ;=: ?\b: $N >i :;_ ~ ;„:; +.(. T@=:> >ii R;6R : U rb= >kd ^f: v v ?s: 7•b DB* 8s? ;‰R vQi $NT u$R?i7b< N›?£=@8 T›@di:b<Ž ^ 7Pi dW:> b:>w. ĐPi vQi >ib= i}: CIe$B*AI ?;:> <_‰:> 7 ?;Z ^W? ^s: (GrRO.

Hình (. ": #ii ;h3; PjN gi h*In t*In

2.K.3.K. =! N\ng _>8 chAng "In ^W gVi T@=:> >ii R;6R : BBU rb= >kd R;: rS:> >P7 8s? ;‰R vQi $LT v U rb= >kd R;: v ?s: 8s? ;‰R vQi $NT ^Z ?;7 ;i}: ?@: §: ?@9: )DM u)bv›


2



L›:>?; DiviOi=: Mw. Gii R;6R : ^f7 ?@„:; r ?@9: ;„:; +.(g.

Hình (. "f: #ii ;h3; $D& chng 7ến PjN gi

)'^' CU HÌNH MNG MNG BBU V V ++U T+ONG MNG DB% C[ ;„:; dW:> BBU 7 ?;Z 7 767 W:>Ž Ob=— 7;¡i— 7Œ v ;ˆR :;_ ?;Z ;i}: ?@9: 767 ;„:; +.(j. ĐPi vQi 7[ ;„:; 7;¡i v Ob= dc7 :Pi ?:> 7 ?;Z < ≤2.

Hình (. ": %3c cYu hình mạng mạng 00' @!i =i mạng D0S. C[ ;„:; dW:> U 7 767 W:>Ž Ob=— 7;¡i— 7Œ— as: v ;ˆR :;_ ?;Z ;i}: ?@9: ;„:; +.(. C ;bi dc7 :Pi ?:> 7;= 7[ ;„:; Ob= v 7Œ 7 ?;Z <Ž √ -;i Ot “:> d^<› b:> 1—+5GH¯— dc7 :Pi ?:> ≤2 √ -;i Ot “:> d^<› b:> +—5 GH¯— dc7 :Pi ?:> ≤j


5



Hình (. ": %3c cYu hình mạng c) [[' tr*ng mạng D0S

)'d' *ẾT LUẬN CHƯƠNG II C;_f:> II < R;: ?@:> ?Œd 7•b ^k 6: : vQi :‚i :> ?;is? 8s :=›B 7;= (G )CDMA UMT*. TWi ^Œ ^¢ ^_b @b 767 v[: ^ ?;is? 8s rS:> >P7— 8is: ?@€7 ^ R;6? ?; v ?s: ^b rS:> ^b 7;ƒ: v 7:> :>;} v ?s: ^:; :>;˜b r…:> R;: dd. TisR ?;›= < 767 7:> :>;} 8;s7; ^Wi 7:> O[? ^b O:> db:>. D= 9 7 ?;7 ?s 7•b dW:> ?@: ?;:> v ?s: :9: 767 7:> :>;} ?@9: ^ ;_Q:> ?Qi d ;„:; ^b rS:> ^b 7;ƒ: ^Z ^6R c:> :; 7 7•b :>_ì Ot “:>. ;: 7Pi 7;_f:> < 8is: ?@€7 v 767 >ii R;6R ?;is? 8s DB*.


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.h/ng 2 Thi*t Thi*t $K 'Ji 8N00 n45JI

CHƯƠNG III THIẾT B| HUA$tI #Œoo NODtB #'&' GI(I THIU L=W? O: R;ƒd :=›B (XX 7•b Hb£›i < d‚? 7;¡i 767 <=Wi ?@Wd >P7 7;= R;ˆR R;6? ?@iZ: dW:> ?@9: 767 87; r: c:> “:> 8;67 :;b— >i€R 7;= vE: ;:; 7•b dW:> ?@~ :9: ;=: ?;i}: ;f:. L=W? O: R;ƒd : >kd 7 db7@= :=›B ?@=:> :; uBT*(XXw— db7@= :=›B :>=i ?@ì uBT*(XXAw— :=›B ^_‰7 R;Œ: rP uDB*(XXw v di:i :=›B uBT*(XXCw. Đf: v at >P7 v d=<›  7 ?;Z 7;ib O± 7‘:> d‚? 7f O~ R;: 7c:>— 767 d=<› 7•b 767 d=› 8;67 :;b 7 ?;Z ^_‰7 ^m? ?@=:> 7‘:> d‚? 7bri: ^Z ;¡ ?@‰ c:> “:> ^b d=›. VQi 767 d=<› rS:> >P7 v  ^_‰7 7[ ;„:; 7;= 767 d=› 8;67 :;b ?@=:> 7‘:> d‚? 7bri: :9: ?@Wd >P7 7 ?;Z ^k:> ?;ì ;¡ ?@‰ 7;= 7 G*M— UMT* v LTp. C;_f:> : >iQi ?;i} 8is: ?@€7 v 767 ^m7 ?]:; 7•b BT*(XX v DB*(XX.

#')' HUA$tI HUA$tI BT%#Œoo #')'&' C12 Zi2 ;Y56 26Y56 √ H¡ ?@‰ ?Pi ^bŽ ^_`:> <9: 15( Cp v ^_`:> aP:> 15( Cp √ H¡ ?@‰ H*DA v H*UA √ D=;›@? A ^b O:> db:> √ ;Œ: ?ER ?; rP: ^_`:> √ C:> O[? R;6? ^f: v v ?s: u)UwŽ ?Pi ^b jX) √ M¡i ^f: v v ?s: u)Uw 7 ?;Z ;¡ ?@‰ ^s: 2 O:> db:> √ Đ‚ :;W d6 ?;Ž vQi b:?›: ^f: o1+5—jBd √ pT u›d=?› p<›7?@i7b< Ti;i9:> b:?›: r…:> î}: ?‹ abw vQi

>ib= i}: AI*G uA:?›::b I:?›@b7› *?b:b@ G@=RŽ :;d ?i9 7;ƒ: >ib= i}: b:?›: ® 7;ƒ: d~ 7;= >ib= i}: î 8;iZ: 7•b b:?›: (Gw √ BBU ;¡ ?@‰ ?Pi ^bŽ a2 uO6  ;=m7 ^=W: vQi 2 O:> db:>w √ T@: §:Ž p1eT1ep u7l:> î}:wepu7l:> b:>w √ T=R= dW:>Ž Ob=— 7;¡i— 7Œ— as: ;=m7 ;ˆR √ Đk:> r‚Ž b >ib= i}: Ir— G* v ^k:> ;k :‚i √ N>k:Ž ¸+2 ¸+2 VDCeo2jVDCe++ VDCeo2jVDCe++XV XVA AC


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√ -]7; ?;cf7 uHa)aDwŽ XXaXXa25Xuddw √ T@=:> <_‰:>Ž ?• ?@P:> ≤gX8>— ?• ^ ≤1+X8> √ Di :;i}? ^‚ <d vi}7Ž o+X XC∼¸5XXC

#')')' *:l5 ;<2 26=59 2€_ BT%#Œoo BT%#Œoo C[ ?@€7 ;} ?;P:> v Of ^k 8;Pi 7•b BT*(XX ^_‰7 7;= ~ ;„:; _Qi.

Hình ". 1: S? @ 4h!i 0TS"bb 0TS"bb

Hình ". (: %Yu trúc h th!ng c) 0TS"bb


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#')'#' Đc5  ]v 7 $+‚U ; đồ Bhối phi*n phi*n 9O: *f ^k 8;Pi 7•b )U ^f7 7;= ?@9: ;„:; (.(. ĐPi vQi :=›B :>=i ?@ì— Of ^k 8;Pi U 7°:> ?_f:> ?.

Hình ". ": S? @ 4h!i $[]' FB?n k WO 78 / tuyến ĐQc tRnh BS th'(t th'(t phi*n 9O: C67 ^m7 ?]:; 7;]:; 7•b R;is: )U :;_ ObŽ √ M¡i )U 7 ?;Z ;¡ ?@‰ ^s: 2 O:> db:>. √ )U 7 7:> O[? ?Pi ^b jX)— 7:> O[? : O¨ 7;ib ^ 7;= OP O:> db:>

d : ;¡ ?@‰ u?;] “ :s :s )U ;¡ ?@‰ 2 O:> O:> db:> ?;„ d¡i O:> O:> db:> O¨ 7 7:> O6? +X)w. √ Đ‚ :;W d6 ?; ^Pi vQi b:?›: ^f: o1+5—jBd. √ Đ‚ :;W d6 ?; ^Pi vQi b:?›: 8ˆR o1+j—Bd u:;` R;Œ: ?ER ?; vQi ^‚ <‰i

R;Œ: ?ER r…:> r…:> (Bw. B:> (.1 7;= ?;[ 767 7[ ;„:; Ot “:> )U 8;:> Ot “:> R;Œ: ?ER R;6?. 0ng ". 1: %3c cYu hình 2O -9ng $[]' 4h/ng ;h\n t6; ;h3t. Q*ại cYu %/ng 2uYt ;h3tR TJng c/ng Ngun ti5u th9 hình 2ng m)ng 2uYt th/ng thUng Phạm Văn An An – Lớp D06VT1

Ngun ti5u th9 t!i @) 


(a1´ (a+ (a( (a2

+X) +X) +X) +X)


X) 1+X) 1jX) +2X)

5+X) 1X) j1X) 1X+X)

(X) j(X) 1XgX) 1((X)

´*×CŽ ^=W:  uw × O:> db:>

#')'' Đc5  ]v 7 BBU ; đồ Bhối mđ'kd 2 R;Œ: ;} ^_‰7 ?;7 ;i}: ?@9: rP: <=Wi R;is:Ž )MT u)CDMA Mbi: @=7›OOi:> b: T@b:OdiOOi=: U:i?w 7;cb R;Œ: ;} î 8;iZ: v d‚? R;: R;Œ: ;} ?@: §:Ž o C:> C:> 7[R 7[R 7;c 7;c77 :S:> :S:> 8; 8;bi bi ?;6 ?;677 v v r= r= _¬: _¬:>> u$žMw u$žMw o Đi Đi 8;iZ: 8;iZ: 767 R;is: R;is: 8;67 8;67 ?@=:> ?@=:> ;} ?;P:> ?;P:> v 7:> 7:> 7[R 7[R ^k:> ^k:> ;k ;k o C:> C:> 7[R 7[R U*B U*B 7;= vi}7 vi}7 :Œ:> :Œ:> 7[R ? ^‚: ^‚:>> 7•b 7•b :=› :=›B B o C:> 7[R 89 89:; $žM o C:> 7[R ?@ ?@:: §: 7;= >ib= i}: IrŽ 2p1eT1— 2p1eT1— 1p î}: î}: v v 1p b:> b:>

Hình ". X: S? @ 4h!i m/@u7L 00' )BB u)CDMA BbO› Bb: @=7›OOi:> U:i?w 7;cb R;Œ: ;} rS:> >P7Ž o C:> C:> 7[R 7[R >ib= >ib= i}: i}: CI CI 7;= 8s? :P :Pii BBU BBU v )U )U o t >P7 ^_`:> ^_`:> <9: <9: v ^_`: ^_`:>> aP:>. aP:>. H¡ H¡ ?@‰ H*D H*DA A v H*U H*UA o H¡ ?@‰ ?@‰   R;\ R;\:> :> 7;= 7;= >ib >ib== i} i}:: C CII Phạm Văn An An – Lớp D06VT1

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o M¡i M¡i BBU BBU 7 ?;Z ?;Z 7 ?Pi ?Pi ^b rP rP:: R;is R;is:: )BB )BB  UT uU:iv›@Ob< T@b:OdiOOi=: T@b:OdiOOi=: @=7›Oi:> U:i?w 7;cb R;Œ: ;} ?@: §: Ž o C:> C:> 7[R >ib= >ib= i}: i}: jp1eT jp1eT11 v di ?@_`: ?@_`:>> ?@: ?@: §:— §:— 7;–:> 7;–:> ;W: ;W: AT ATM ;b I o C:> C:> 7[R 7[R >ib= >ib= i}: i}: +a +ape peGp Gp uR;is: uR;is: d~ @‚:>w @‚:>w UpU uU:iv›@Ob< =£›@ b: pvi@=:d›:? I:?›@b7› U:i?w 7;cb R;Œ: ;} :>k:Ž o C; C;Z: Z: ^li ^li :>k: :>k: o2jVD o2jVDC C ;b ;b ¸+2V ¸+2VDC DC ?;: ?;:;; :> :>k k:: ¸1+VD ¸1+VDC C 7;= 7;= 767 R;is: o T;:> T;:> r6= r6= 7:; 7:; r6= r6= C:> 7[R 7l:> 7l:> ?@ ?@: : §: §: 7;= ?]: ?]: ;i} ;i} *2j5 *2j5 v v j ?]: ;i} ;i} 7:; 7:; r6= r6= 8iZ 8iZ :>”? 7;ER 7:> ?”7 uD@ C=:?b7?w ĐQc tRnh BS th'(t th'(t phn hệ $ăng gốc cU mđ' :S:> R;Œ: ;} rS:> >P7 7•b d^<› d^<› BBU ^_‰7 ^_‰7 ?;7 ;i}: ?@9: ?@9: R;is: )BB u)CDMA BbO› Bb: @=7›OOi:>Ž at >P7 )CDMAw. C67 ^m7 ?]:; 7;]:; 7•b R;is: : :;_ ObŽ  t >P7 ^_`:> <9: ^_`:> aP:> 7;= )CDMA’ ;¡ ?@‰ H*DA v H*UA  C:> 7[R >ib= i}: CI >iœb BBU v )U vQi  R;\:> 1¸1 -; :S:> at >P7 7•b BBU R;“ ?;7 v <=Wi R;is: )BB ^_‰7 Ot “:>Ž 0ng ". (: Kh năng WO 78 c) 00' Kiû ;hiến

S! S! % ch* /R@*ạn / @Ung 75n ["RHS'P A

S! % ch* @Ung Wu!ng [" +5 2

S! mM 45nh HS> PDS%H

Th/ng Th/ng 7lng 7lng HSDPA, HS'PA, &;2 &;2

)BBb´ ( 1+j 25 15  )BBr1´ ( 2 25 15  ´ )BBr+ ( 1+j 1+j 25 15  )BBr(  +5 +5 X (X 1+ )BBr2  (j2 (j2 X (X 1+ { ;is: )BBb 7 ?;Z ?@‰ ^_`:> <9:— ^_`:> aP:> 7;= ( v ;¡ ?@‰ H*DA u+dO TTIw— H*UA >ibi ^=W: 1 u1XdO TTIw Phạm Văn An An – Lớp D06VT1

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´´ ;is: )BB 7 ?;Z ;¡ ?@‰ ^_`:> <9:— ^_`:> aP:> 7;= ( v ;¡ ?@‰ H*DA u+ dO TTIw— H*UA >ibi ^=W: + u+dO TTIw

#'#' HUA$tI HUA$tI DB%#Œoo #'#'&' C12 Zi2 ;Y56 26Y56 

BBU D:> <_‰:> 7b=Ž

o M¡i BBU(XX 7 ?;Z ;¡ ?@‰ +2  u^=W: w vQi 1.5( Cp ^_`:> <9: 7;= (eH*UA v 1.5( Cp ^_`:> aP:> 7;= ( o H¡ ?@‰ 5 H*DA 7;= d‚?  vQi ?P7 ^‚ ^™:; 12—2 MrRO ?@9: d‚?  u?;:> <_‰:> ?@:> r„:; v= 8;=:> 5MrROw. H¡ ?@‰  H*UA ?P7 ^‚ ^™:; 5—gMrRO u?;:> <_‰:> ?@:> r„:; +MrROw o H¡ ?@‰ 7:> :>;} MBM*  U ;¡ ?@‰ 7[ ;„:; ?Pi ^b 2 O:> db:> H¡ ?@‰ :;i 7;s ^‚ ^k:> ;kŽ u1w ^k:> ;k ?@9: >ib= i}: Ir— u+w ^k:> ;k G*— u(w ^k:> ;k :‚i ATM— I v :>S: asR 8ˆR ATMeI ATMeI ?@9: 767 >ib= i}: p1eT1—  H¡ ?@‰ ?@: §: ATM— p  BBU v 767 U 7 ?;Z ;¡ ?@‰ :;i 7;s ^‚ :Pi dW:> :;_Ž Ob=— 7;¡i— as: v d=^<› b:> 1—+5GrRO— 1—+5GrRO— U 7 ?;Z :Pi ?:> ?:> ^9: 2 ?:>. -;i Ot “:> d^<› b:> +—5GrRO— U 7 ?;Z :Pi ?:> ^s: j ?:> VDCeo2jVDC. Ti9 Ti9 ?;“ :>k: +g5) 7;= 7[ ;„:; ?@_`:>  N>k: UŽ ¸+2 VDCeo2jVDC. ;‰R 7:> O[? @b < X) *UŽ o2jVDC. o2jVDC. Ti9 Ti9 ?;“ :>k: :>k: (X)  N>k: *UŽ 



N>k: BBUŽ BBUŽ ¸+2 VDCeo2jVD VDCeo2jVDC C

#'#')' CW= ;<2 6k ;659 DB%#Œoo DB*(XX < :=›B R;Œ: rP ?;s ;} ?;c ?_ 7•b Hb£›i— Hb£›i— ^Œ < 7i ?is: v :Œ:> 7b= 7•b DB*(jXX. C67 R;: ?t 7;]:; 7•b d‚? ;} ?;P:> DB*(XX >kd ua›d ;„:; (.5wŽ √ Đf: v rS:> >P7Ž BBU(XX √ Đf: v v ?s: ^m? abŽ U(jX2 ;=m7 U(jX1p √ H} ?;P:> b:?›: v R;i^f

BBU v U ?@=:> DB*(XX ^_‰7 :Pi vQi :;b r…:> O‰i b:> ?@9: >ib= i}: CI.


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Hình ". Z: Z: %Yu trúc h th!ng D0S"bb D0S"bb

#'#'#' CW= ;<2 6P5 J ;=>l5 Zi; ]_ DB%#Œoo ; đồ Bhối OO:;OW: OO:;OW: ;: v ?s: ^m? ab 7•b DB*(XX rb= >kd U v 7 ?;Z 89? ;‰R ?;9d TMA ^Z ?S:> ^‚ :;W ?;. TMA ^_‰7 ?;7 ;i}: ?@9: d^<› *U u*w. C[ ?@€7 8s? ;‰R Ue*U ^_‰7 7;= ?@9: ;„:; (.. .ác đQc tRnh chRnh 

*U uTMAw 7 ?;Z 8;s7; ^Wi ?]: ;i} ?; 1+B ;=m7 +2B



C:> O[? @b 7•b U ?Pi ^b < X). U 7 ?;Z <d vi}7 ?Pi ^b vQi 2 O:> db:> ?@=:> ^ 7:> O[? @b 7;ib ^ 7;= ?‹:> O:> db:> Đ‚ :;W ?; b:?›: ^f: 8;:> Ot “:> *U < o1+5—5Bd ^P] vQi b:?›: o1+j—5Bd ^Pi vQi b:?›: 8ˆR u:;` ^‚ <‰i R;Œ: ?ER ?; < (Bw. H¡ ?@‰ î 7;™:; ^‚ :>;i9:> b:?›: r…:> î}: ?‹ ab upTw ?;:> b >ib= i}: A*IG ;6? ;i}: ?;:> r6= O:> ^c:>

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HNI½XX2(½VN HNI½XXX½VN HNI½XX2½VN HNI½XX2X½VN HNI½XXXj½VN HNI½XXX½VN HNI½X+j½VN HNI½XX2g½VN HNI½XX2g½VN HNI½XX2j½VN HNI½XX2j½VN HNI½X+1½VN HNI½XX51½VN HNI½X11(½VN HNI½X11(½VN HNI½X1g5½VN HNI½X+5½VN HNI½X+1+½VN HNI½X+1+½VN HNI½X+1X½VN HNI½X++½VN HNI½X+15½VN HNI½X+15½VN HNI½X+1½VN HNI½X+1j½VN HNI½X1g(½VN HNI½X2X½VN HNI½X+X½VN HNI½X2Xj½VN HNI½X(j½VN HNI½X(j½VN HNI½X(j½VN HNI½X+(½VN HNI½X(g½VN HNI½X1+5½VN HNI½X+j½VN HNI½X2XX½VN HNI½X2XX½VN HNI½X1+2½VN HNI½X(+½VN HNI½X(gj½VN HNI½X+j2½VN HNI½X2X2½VN HNI½X2X1½VN HNI½X+22½VN HNI½X+(j½VN HNI½X+2+½VN HNI½X+25½VN HNI½XXgX½VN HNI½XXg(½VN HNI½XX1½VN HNI½X1+½VN

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

1 2 1 2 2 2 1 2 2 1 1 1 1 2 2 2 1 2 2 2 1 1 2 2 1 1 2 2 1 1 2 2 1 2 2 1 1 1 1 1 1 1 2 2 1

+gojo+XX +5ojo+XX +gojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX (1ojo+XX (1ojo+XX (1ojo+XX 1oo+XX (1ojo+XX (1ojo+XX (1ojo+XX (1ojo+XX 1oo+XX +ojo+XX +5ojo+XX 1oo+XX +gojo+XX +gojo+XX +gojo+XX 1oo+XX +5ojo+XX +gojo+XX +gojo+XX 1oo+XX +5ojo+XX +ojo+XX +5ojo+XX +5ojo+XX +gojo+XX +ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX j1



Vb:oH=(o+(½HB½HNI L›o"oD=:o1j½HB½HNI To"b:>oBo1o (X½HB½HNI Bb7;oMbio(j1og½HB½HNI Mi:;o-;bio5o +A½HB½HNI T@bioCboj1o1½HM½HNI Mi:;o-;bio++oj5½HB½HNI T@=:>oDi:;o25½HM½HNI ;bRoVb:½HNI Li:;oDbd½HNI Di:;oC=:>½HNI NMo*oT;b:;oT@i NMo*oT;b:;oT@i½HNI ½HNI T;i:;oLi›?½HNI Dbio-id½HNI Do-idoN>o1gg½HB½HNI HoVb:oT;½HM½HNI Gibio;=:>o1XX1½HB½HNI Vi:;oH:>½HM½HNI D›:oL½HM½HNI G=7oD›o11j½HM½HNI *=oT;=:>oT1½HM½HNI N;b:oC;i:;½HNI N;b:oC;i:;½HNI T;b:;ob:½HNI -;b?oDoTi›:½HNI T;=:>oDi:;o1+go1½T½HNI Bo=:>oT@b7;o 1Xj½T½HNI L›oT@=:>oTb:o1+½T½HNI N>›:o"oD7½T N>›:o"oD7½T½HNI ½HNI CoL=7og(B½T½HNI *=7o*=:½HNI ;oL=½HNI Bb7o*=:½**½HNI TDoMi:;o;½**½HNI ;oNi:;½**½HNI D=:>oA:;½HNI T@bo"oBDoTT5½GL½HNI T;b:o"b:>½GL½HNI CboDi›:½HNI ;bdoH:>½HNI ;oDi›:½HNI CboDi›:oT=1(½TL½HNI D=b:oC;›=½TL½HNI Phạm Văn An An – Lớp D06VT1

HNI½X+(½VN HNI½X+(½VN

1 1

1 1

+5ojo+XX +5ojo+XX

HNI½X1+1½VN HNI½X11j½VN

1 1

1 2

+5ojo+XX +5ojo+XX

HNI½XX5½VN HNI½X1+g½VN HNI½XXg+½VN HNI½XXj½VN HNI½XXgj½VN HNI½X1XX½VN HNI½X(5X½VN HNI½XX(½VN HNI½XX(½VN HNI½XXgg½VN HNI½XXj5½VN HNI½XXg½VN HNI½XX1½VN HNI½XX(½VN HNI½XXj½VN HNI½XX+½VN HNI½X1(1½VN HNI½XXj½VN HNI½X+X2½VN HNI½X+X2½VN HNI½X1½VN HNI½X(2½VN HNI½X(2X½VN

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

2 1 2 1 1 1 1 2 1 1 2 2 1 2 1 1 2 1 1 1 1

+5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +jojo+XX +jojo+XX 2oo+XX +jojo+XX +jojo+XX +jojo+XX +jojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +jojo+XX +5ojo+XX +5ojo+XX +jojo+XX +jojo+XX +jojo+XX +jojo+XX +jojo+XX +ojo+XX

HNI½X(21½VN HNI½X((½VN HNI½X1j½VN HNI½X1j½VN HNI½X(2g½VN HNI½X121½VN HNI½X12+½VN HNI½X12½VN HNI½X122½VN HNI½X152½VN HNI½X(11½VN HNI½X115½VN HNI½X112½VN HNI½X12½VN HNI½X1j2½VN HNI½X(+½VN HNI½X1gX½VN HNI½X(+g½VN

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 2 1

2oo+XX +jojo+XX +jojo+XX +jojo+XX +jojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX +5ojo+XX 1oo+XX +5ojo+XX +5ojo+XX (1ojo+XX (1ojo+XX (1ojo+XX (1ojo+XX +gojo+XX j+



NoT;b:>oL=:>o NoT;b:>oL=:>o TTBD½TL½HNI T;b:;oT@i½HNI GibRoBb?o15o(½HM½HNI

HNI½X1j½VN HNI½XXj1½VN HNI½XXjg½VN

1 1 1

1 1 1

+5ojo+XX +jojo+XX +5ojo+XX

'#' *ẾT LUẬN CHƯƠNG IV C:> ?67 ?@iZ: 8;bi :=›B 7;= dW:> (G ?Wi Vi}? Nbd 7;= ?Qi :b ^_‰7 767 :; 7:> 7[R ?;7 ;i}: ?;›= ^€:> 7bd 8s?. T 7 >mR d‚? OP 8; 8;S: ?@=:> vi}7 ^d R;6: :;ER ?;is? r :;_:> 767 :; 7:> 7[R v§: 7 :;œ:> R;_f:> 6: 7“ ?;Z ^ƒ :;b:; vi}7 <”R ^m? :=›B ^_b v= ;=W? ^‚:> ^Z d~ @‚:> v‘:> R;• O:>. N;„: 7;:> vi}7 ?@iZ: 8;bi v R;6? ?@iZ: dW:> (G ?Wi :_Q7 ?b ^¢ db:> ?;:; 7:> :;[? ^:;.


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*ẾT LUẬN Đk 6: : ^¢ :9 @b 767 7:> :>;} ?;is? ?;7— r6d O6? :; 7 vQi ?;7 ?s v vi}7 ?;is? 8s :=›B 7;= (G )CDMA UMT*. N ?;is? ?;7 ~ 7;¡ O R;6? ?@iZ: 7•b 7:> :>;} vi¦: ?;:> v ?s: ;i}: :b— 7“ ?;Z < ~ Vi}? Nbd— < ^b:> : : 7;Z: ?‹ G*M Ob:> UMT*. "6 ?@„:; 7;Z: >ib= : i¦: @b ?‹ ?‹ = ^ ^k:> ?;ì ?k: ?Wi ;bi ;} ?;P:> O=:> O=:> ;=W? ^‚:>— (G )CDMA R;6? ?@iZ: ?@9: :: ?:> 7•b G*M. T dQi ^_‰7 ^_b v= Ot “:> :;_:> 7:> :>;} (G UMT* ^¢ 7;_b ?;7 O R;‘ ;‰R— v a ?;s ?@=:> d‚? vi :Sd ?Qi O¨ R;6? ?@iZ: <9: LTp. D= ^ vi}7 ?;is? 8s 767 ?@Wd >P7 8s? ;‰R ^b rS:>— ^b 7;ƒ: ;=W? ^‚:> ^_‰7 7 ?@=:> G*M— UMT* 7°:> :;_ LTp LTp < @[? R;‘ ;‰R. Đk 6: : 7°:> :>;i9: 7c v 8is: ?@€7 ?@Wd >P7 R;Œ: rP DB*— 7;= ?;[ _ ?;s @¤ @}? 7•b DB* O= vQi B* ?ER ?@:>. Hbi 7;_f:> 7Pi 7•b ^k 6: 7 >iQi ?;i} 767 ?;is? r Hb£›i :=›B (XX vQi ^m7 ?]:; 8n ?;E? ^6R c:> ^_‰7 767 9 7 7:> :>;} :9 ?@9: v ^¢ ^_‰7 ^_b v= c:> “:> ?;7 ?s— v ?„:; ;„:; ?@iZ: 8;bi :=›B 7;= dW:> (G 7•b Vi:bR;=:› v M=ri=:›. H_Q:> :>;i9: 7c ?@=:> ?_f:> 7b= 7;[? <_‰:> ?@=:> ?;is? 8s ?@Wd >P7 ^b rS:> ^b 7;ƒ: ^Z ^6R c:> :;œ:> r_Q7 R;6? ?@iZ: ?isR ?;›= 7•b ?@: ?;:> v ?s:. B9: 7W:; ^ < :>;i9: 7c R;6? ?@iZ:— ?;is? 8s 8is: ?@€7 7;= 767 ?;is? r v ?s: 8; ^ 6: 8; @bri 7;= vi}7 8;bi ?;67 v ?@iZ: 8;bi (G rS:> @‚:>. Mm7 ‘ ^¢ @[? 7P >”:> a=:> ^k 6: 8;:> ?;Z ?@6:; 8;¥i :;œ:> ?;is O?— ›d @[? d:> :;E: ^_‰7 O >R F— rl O:> 7•b 767 ?; 7 >i6= v 767 rW:. M‚? <: :œb ›d ai: 7;Œ: 7;Œ: ?;:; ?;:; 7d f: >i:> vi9: vi9: ;_Q:> ;_Q:> §: ® TS. Nguyễn Phạm Anh Dũng ^¢ Dũng ^¢ ?E: ?„:; ;_Q:> §: >i€R ›d ;=: ?;:; ^k 6: :. *i:; vi9: Phạm Văn An


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TI LIU THAM *HẢO 1. T*. N>¦: N>¦: ;Wd A:; D°:>— ªBi ªBi >i:> ?@: §: §: v ?s: ?s: OP«— OP«— +X1X. +. T*. N>¦: N>¦: ;Wd ;Wd A:; A:; D°:>— D°:>— ªBi >i:> >i:> ?;:> ?;:> ?i: i ^‚:>« ^‚:>«—— +X1X. +X1X. (. T'( N>¦: T'( N>¦: ;Wd A:; D°:>— D°:>— ªGi6= ?@„:; T;:> ?i: i ^‚:> ?;s ;} rb«— NB B_ î}:— H N‚i— (e+XX2. 2. (G T* +5.1X2 +5.1X2 V.2.X V.2.X uXo+X1X uXo+X1Xww 5. ¾;b ¾;b -=@;=:›:— -=@;=:›:— ªI:?@=7 ªI:?@=7?i=: ?i=: ?= (G M=ri<› C=dd:i7 C=dd:i7b?i= b?i=:O :O *›7=: p›i?i=: p›i?i=:«— «— A@?›7; H=O›— +XX(. . Hb@@i H=> ¿;b:>— ¿;b:>— ªD›Oi>: ªD›Oi>: b: ›@=@db:7 ›@=@db:7›› = (G )i@›<›O )i@›<›OOO N›?£=@8O b: )i@›<›OO )i@›<›OO LANO«— *R@i:>›@— *R@i:>›@— +XX. j. G›= Vb Vb@@b<< v =>›@ B›<7;›@— B›<7;›@— « (G Hb:O›? Hb:O›? b: N›?£=@8 N›?£=@8 D›Oi>:«— D›Oi>:«— )i<›— )i<›— +XX(. . M=?= M=?=@= @=i >i›O ›O C=.— C=.— LTD— ªAN ªAN11 11.X .X ( (XX XX *›@i *›@i›O ›O N=› N=›B B @= @=7 7?? D›O7@iR?i=:«— +XX. 11.. )=<>b: 11 =<>b:>> -=›:i>— -=›:i>— *i›>@i› *i›>@i› )b:›@ )i›>:›@—— ªM› BbO›O?b?i=:«— *D =@d— +XX(. 1+.ªT; 1+. ªT;›› p:o?=op p:o?=op: : ›7=:i> ›7=:i>@bri @bri— B@OO›

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Thiet Ke Nodeb Cho 3g Wcdma Umts

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