Trx Config Sdcch_imp

Sdcch=no. tch/2

ag:pg=1:2

1 TRX cell BCCH TRX

0 1 2 3 4 5 6 7 MBCCHC TCHF TCHF TCHF TCHF TCHF TCHF TCHF (sd 4 and 3 ccch block) out of 3 ccch block 1 you can define as AGCH so rest 2 will be paging MBCCB (sd 3, cbch 1 and 3 ccch block)

2 TRX cell BCCH TRX

0 1 2 3 4 5 6 7 MBCCH SDCCH/8 TCHF TCHF TCHF TCHF TCHF TCHF (sd 0, 9 ccch block, out of 9, 3 blck for AGCH and rest 6 for paging) SDCCB ( 7 SD and 1 CBCH) TCHF TCHF TCHF TCHF TCHF TCHF TCHF TCHF

TCH TRX

3 TRX cell BCCH TRX

TCH TRX

0 1 2 3 4 5 6 7 MBCCH SDCCB TCHF TCHF TCHF TCHF TCHF TCHF (sd 0, 9 ccch block, out of 9, 3 blck for AGCH and rest 6 for paging) SDCCH/8 TCHF TCHF TCHF TCHF TCHF TCHF TCHF

TCH TRX

TCHF

4 TRX cell BCCH TRX

TCHF

TCHF TCHF TCHF TCHF TCHF TCHF

TCH TRX

0 1 2 3 4 5 6 7 MBCCH SDCCB TCHF TCHF TCHF TCHF TCHF TCHF (sd 0, 9 ccch block, out of 9, 3 blck for AGCH and rest 6 for paging) SDCCH/8 TCHF TCHF TCHF TCHF TCHF TCHF TCHF

TCH TRX

SDCCH/8 TCHF


TCH TRX

TCHF


TCHF

1,3,5,7,9,11,13,15,17 = 9 freq 2,4,6,8,10.12.14.16= 8 freq 1…………17 = 0…….16 2 0,2,4,6,8,10,12,14,16= 9 TRX 31 15 BCCH 15 TCH 1 GB

7.5 8 TRX

17 14 17

9 8.5

11 TRX

MA 1 MA 2

w/o gd 12 with gd

1. TCH Ch 2. SDCCH 3. AGCH 4. PCH

Baseband hopping

Sector 1 ( 4 TRX )

TRX1 TRX2 TRX3 TRX4

BCCH TRX TCH TRX TCH TRX TCH TRX

FREQ F1 F3 F5 F7

TS0 TS1 TS2 TS3 TS4 TS5 TS6 MS1

HSN=0 that cyclic hopping, HSN=/ Random hopping Sector 2 ( 4 TRX )

TRX1 TRX2 TRX3 TRX4


F9 11 13 15

Sector 3 ( 4 TRX )

TRX1 TRX2 TRX3 TRX4


F17 19 21 23

TRX1 TRX2 TRX3 TRX4

MAIO BCCH TRX F90 TCH TRX TCH TRX TCH TRX

RF hopping

Sector 1 ( 4 TRX )

TS0 TS1 TS2 TS3 TS4 TS5 TS6 MS1 0 1 2


Sector 3 ( 4 TRX )

TRX1 TRX2 TRX3 TRX4


3 4 5

TRX1 TRX2 TRX3 TRX4


6 7 8

MA List id MA List ARFCN

1 F1,3,5,7,9,11,13,15,17,19,21,23,25,27

MAIO

0,1,………….13

MAIO step size

1

MA List id MA List ARFCN

2 F2,4,………….28

MAIO

0,1,………….13

MAIO step size

MA 1 HSN 1 MAIO 0 MAIO Step Size 1

14 Freq without Adj Freq

1

4 TRX 1 BCCH 3 TCH-Hop TRX Site A

4 TRX 1 BCCH 3 TCH-Hop TRX MA 1 HSN 1 MAIO 6 MAIO Step Size 1

2X2

1X1 MA List MA ARFCN MAIO Step Size

14 Freq without Adj Freq

hopping

3 F1,…2………………..28 2

Site B


RF hopping

Sector 1 ( 4 TRX )

TRX1 TRX2 TRX3 TRX4


TS0 TS1 TS2 TS3 TS4 TS5 TS6 MS1 0 2 4


Sector 3 ( 4 TRX )

MA 1 HSN 1 MAIO 0 MAIO Step Size 2

TRX1 TRX2 TRX3 TRX4


6 8 10

TRX1 TRX2 TRX3 TRX4


12 14 16

4 TRX 1 BCCH 3 TCH-Hop TRX Site A


3X3 1X3

RF hopping

Site B


Sector 1 ( 4 TRX )


TRX1 TRX2 TRX3 TRX4

TS0 TS1 TS2 TS3 TS4 TS5 TS6 0 1 2


Sector 3 ( 4 TRX )

TRX1 TRX2 TRX3 TRX4


0 1 2

TRX1 TRX2 TRX3 TRX4


0 1 2

31 15 BCCB 16 TCH

1X1

28 Freq 8

3+3+2

4+4+3

0.5625 0.5 16(4+4+3) Freq List MAIO TCH TRX1 TCH TRX2 TCH TRX3

1,2,………..16 0,1,………..15 Nokia 0 2 4

Siemens/Eric 1 1 3 3 5 5

TCH TRX4 TCH TRX5 TCH TRX6

6 8 10

7 9 11

7 9 11

TCH TRX7 TCH TRX8 TCH TRX9

12 14 0

13 15 1

13 15 16

TS7

TS7 MA List =1

HSN=1

MA List =1

HSN=1

MA List =1

HSN=1

TS7 MA List =3

HSN=1

MA List =3

HSN=1

MA List =3

HSN=1

TS7 MA List =1 HSN=1 F1,3,5,7 MAIO Step Size=1

MA List =2 HSN=1 F9,11,13,15 MAIO Step Size=1

MA List =3 HSN=1 F17,19,21,23 MAIO Step Size=1

BSC Nokia 3i 6 BCSU 1 BCSU 110 TRX total = 660 TRX 248 Sites/BCF ids 248 Cells 660 TRX

2.66129 2.66129

1(Phy)+1 PCU Per BCSU 1 PCU 64 GPRS Enable Cells/ 128 GPRS TRX/256 GPRS TS 1 NSEI

Air MS

Abis BTS Gb

A BSC/BSCU+PCU

MSC LAC

SGSN RAC

GGSN

Internet

RAC=>>RAC>>>NSEI>>>Cells>>TRX>>>TS

30 cells RAC 1

RAC 3 NSEI 2

NSEI 1 40 cells RAC 2

LAC 2 NSEI 1

LAC 1

MSC BCS

BSC Para BCF( Site) BCF Para BTS ( Cell) HO Para, PC Para, GPRS Para, Hopping, Access Para, Idle para

TRX

CH Type, TRX Para TS Ch Config.

BSIC Plan NCC BCCH/BCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Cell 1 F1 BSIC=50

7 6 0 Sec 1

7 6 1

7 6 4

Sec 3

PLMN 5

MR F2 RX Level XX BSIC 60 F1 RX Level YY BSIC 50

PLMN=6&7

7 6 3

Sec 2

MR F1 RX Level XX BSIC 50 F2 RX Level YY BSIC 60

NCC

7 6 2

6,7

Cell 2 PLMN 5,6 NCC+BCC 60 F2

7 6 5

DR

Cell 1 TCH full SDCCH got MS1

F2

Cell 2 TCH

F1

MR F2 RX Level -65 BSIC 60 F1 RX Level -80 BSIC 50 If TCH cong is there and other Nbr is better than -85 dBm then it will trigger DR call SDCCH to TCH Handover Queuing Cell 1 TCH full

F2

Cell 2 TCH

F1

MS will wait for 12 sec on SDCCH SDCCH got MS1 MR F2 RX Level -65 BSIC 60 F1 RX Level -80 BSIC 50

VIP

Class mark 1 MS 3 2 MS 1 3 MS 2

SD 2 SD 0 SD 1

Queuing Length

50% Means 50 % of Avil TCH 2 TRX cell, 14 TCH Qu length = 7 7 MS can wait on SDCCH

Queuing time Max time 10 Sec DR Time

Queuing DR Time

Min Time 2 0 MS1

MAX time 12 2

4

6

8

10

Location Update LAC 1

LAC 2

MS 1 MS 1 LAC 1 Cell 1 RX -75 , C1 = Min RX Acc Min( -105) - Current RX Level ( -75)= 30 LAC 2 Cell 3 RX - 73 C1=32 Cell 1 C1 < Cell 3 C1 by 2 dB

LAC 1 Cell 1 RX -85 , C1 = Min RX Acc Min( -105) - Current RX L LAC 2 Cell 3 RX - 73 C1=32 Cell 1 C1 < Cell 3 C1 by 12 dB Now its more 6 dB so MS will give LOC Up req to Cell 3 Dedicate mode 1st HO will happen and once call is release then MS will do imm LAC update RLT if you loss any DL or UL SACCH Block then it will decr by 1 or if you decode SACCH Blk successfully then it will incr by 2. Once it is become 0 then ch will be release that is called as RF Drop. RLT will be maintain in MS as well in BTS for that particular Time Slot allocated to MS in uplink PO( Power Offset ) BTS TX Power = Max power ( 43 dBm ) - PO 37 dBm

Interference Cell 1 F1

Cell 2 F1

TS 2 = MS 1

TS 2= Idle

-85 dBm -65 dBm

TS 2 = MS 2 MS 2 should be better then -75

Cell 1

0,1,2,…7 0,0,3,3,4,5,5,0

Ch assignment MS 1 MS 2 MS 3 MS 4 MS 5 MS 6 MS 7 MS 8

TS 0 TS 1 TS 7 TS 2 TS 3 TS 4 TS 5 TS 6

TCH 3

TCH 4

Half Rate TCH 1

TCH 2

TCH 5

TCH 6

if any new call then FR HR Rate TS

t=0 t=1

C2 C2=c1+CELL RESELECT OFFSET - temp offset* (pent time )

Micro cell C2 Y Cell 2

MS 1

cond 1

Macro Cell 1 RX -65 and C1=35 Cell 2 RX -60 and C1=40 C2=c1+10-20*fun(*(time*240ms) if timer is not 0 then value o/p is 1

if qual is bad then only handover level -90 and macro cell -60 c2=40+10-20=30

cell 1 c1=35 > cell2 c2=30 cond 2 c2=40+10-0=50 c2 > c1 by 15 dB

TX Power 5 6 7 8 9 10 11 12 13 14

33 29 27 25 23 21 19 17 15 13

Hopping, Access Para, Idle para

7 6 6

7 6 7

Bm then it will trigger DR call

RX Acc Min( -105) - Current RX Level ( -85)= 20

e LOC Up req to Cell 3

ill do imm LAC update

ecode SACCH Blk elease that is called as

allocated to MS in uplink

TS 2 = MS 2 MS 2 should be better then -75

TCH 7

TCH 8

TCH 9

TCH 10

HR Rate TS HR Rate TS Then it is HR sanjay Pradeep Daval Onkar sanjay Pradeep Daval Onkar

offset* (pent time )

not 0 then value o/p is 1

TCH TCH Tch

9.6 0 0 0 2.4

Trx Config Sdcch_imp

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