Rooftop Clearence
QUICK PREDICT®
!
Rooftop Clearence Prediction Tool /
Parapet Height (optional): (ph) "istance from B#ilding $dge: (%)
_
_
_
1
1!
-
1!
1
&ertical Beam'idth (degrees): (alpha)
$lectrical . Mechanical "o'ntilt: (dt)
!
&ertical Protection Margin: (0eta)
(theta)
*,-/!1
,
*+1,!
1
the , ta2(alpha3, . !dt .0eta +)
4.84!" 4.84! "
H 2 tan (theta) .' id - dB 4Be%am iph d th
_
* *+1,! *
Roof an and Par apet
Minimum Height to Center of Antenna:
_
1
1,
*+1,! *
1
1!
1+
5 nt nt* Height =#ar d0and
45 more detailed dra'ing and the form#las #sed can 0e fo#nd on the "ra'ing 6 7orm#las ta0 of this 'or8sheet*
5 9ertical 9ertical protection margin margin of + deg is recommeded recommeded for most cases* ;n dense #r0an areas< a lo'er margin is accepta0le
Page 1
Rooftop Clearence
QUICK PREDICT®
Qui'1 Pre)i't 00Theoreti'a( # )- 2re)i'tion of Ce(( 3oun)r
Cell Bo#ndr> Prediction Tool !
5ntenna Height: (H_antenna)
#
Mo0ile Height: (H_mo0ile)
.$
&ertical Beam'idth (degrees): (5%PH5)
%
$lectrical "o'ntilt ($"T)
!
Mechanical "o'ntilt: (M"T)
&
(B$T5) Radi#s of the @near@ -dB theoretical 0o#ndr>: ( m) Theoreti'a( Ra)iu* of the Ma+ ,o-e: m/ Radi#s of the @far?@ -dB theoretical 0o#ndr>: (m)
, #&".4 844.8 0!"."
/ m . t h g i e H a n n e t n A
X_earth /
Y_Mast -1
+*+ * * - * , * 1 *
Y_mo0ile Y?main 0eam Y_-d0Beam 1*/
-1 * -1 * -1
* /-*1,1!1-
1
,
5ntenna
-
Mo0ile
/
Ce(( Ra)iu* m / - dB Beam' idth
Apper theoretical -dB 0o#ndr> is a0o9e horion
45 more detailed dra'ing and the form#las #sed can 0e fo#nd on the "ra'ing 6 7orm#las ta0 of this 'or8sheet*
!
Ma %o0e
+
Rooftop Clearence
QUICK PREDICT®
Qui'1 Pre)i't 00Theoreti'a( # )- 2re)i'tion of Ce(( 3oun)r
Cell Bo#ndr> Prediction Tool !
5ntenna Height: (H_antenna)
#
Mo0ile Height: (H_mo0ile)
.$
&ertical Beam'idth (degrees): (5%PH5)
%
$lectrical "o'ntilt ($"T)
!
Mechanical "o'ntilt: (M"T)
&
(B$T5) Radi#s of the @near@ -dB theoretical 0o#ndr>: ( m) Theoreti'a( Ra)iu* of the Ma+ ,o-e: m/ Radi#s of the @far?@ -dB theoretical 0o#ndr>: (m)
, #&".4 844.8 0!"."
/ m . t h g i e H a n n e t n A
X_earth /
Y_Mast -1
+*+ * * - * , * 1 *
Y_mo0ile Y?main 0eam Y_-d0Beam 1*/
-1 * -1 * -1
* /-*1,1!1-
1
,
5ntenna
-
Mo0ile
Ce(( Ra)iu* m / - dB Beam' idth
Apper theoretical -dB 0o#ndr> is a0o9e horion
45 more detailed dra'ing and the form#las #sed can 0e fo#nd on the "ra'ing 6 7orm#las ta0 of this 'or8sheet*
Page ,
Rooftop Clearence
/
!
Ma %o0e
+
Rooftop Clearence
Page -
;M ;nterference
Enter "o'nlin8
QUICK PREDICT®
Range:
*! MH to
!
Aplin8 Range: ,*! MH to
1/
;ntermod#lation ;nterference Prediction Tool ;ntermod#lation interference ma> occ#r 'hen a site is co?located near another transmitting de9ice* This tool predicts possi0le -rd order intermod prod#cts and 'arns if the> are in a PCD 0and* Enter Possi0le
;nterferin ,/ MH to -/
5ct#all> predicting ;M interference is m#ch more complicated and reE#ires caref#l anal>sis and often meas#rements*
Bloc8 5 B
Frequency Blocks in the GSM 900 Band Band'idth Aplin8 Range "o'nlin8 Range 5R7CF 1,*/ MH +?,*/ MH -/?*/ MH 1?!, 1,*/ MH ,*/?1/ MH */?! MH !-?1,
Bloc8 5 B C
Frequency Blocks in the PCS 1900 Band Band'idth Aplin8 Range "o'nlin8 Range 1/ MH 1+/?1+!/ MH 1-?1/ MH 1/ MH 1+?1++/ MH 1/?1!/ MH 1/ MH 1+/ 11 MH 1/ 1 MH
5R7CF /1,?/+/ !1,?!+/ - +1
Possi0le D567,I7K as !*, MH to / + MH to ,,* Possi0le UP,I7K associ +*, MH to / -/ MH to !*
;M ;nterference
Enter "o'nlin8
QUICK PREDICT®
Range:
*! MH to
!
Aplin8 Range: ,*! MH to
1/
;ntermod#lation ;nterference Prediction Tool ;ntermod#lation interference ma> occ#r 'hen a site is co?located near another transmitting de9ice* This tool predicts possi0le -rd order intermod prod#cts and 'arns if the> are in a PCD 0and* Enter Possi0le
;nterferin ,/ MH to -/
5ct#all> predicting ;M interference is m#ch more complicated and reE#ires caref#l anal>sis and often meas#rements*
Bloc8 5 B
Frequency Blocks in the GSM 900 Band Band'idth Aplin8 Range "o'nlin8 Range 5R7CF 1,*/ MH +?,*/ MH -/?*/ MH 1?!, 1,*/ MH ,*/?1/ MH */?! MH !-?1,
Bloc8 5 B C " $ 7
Frequency Blocks in the PCS 1900 Band Band'idth Aplin8 Range "o'nlin8 Range 1/ MH 1+/?1+!/ MH 1-?1/ MH 1/ MH 1+?1++/ MH 1/?1!/ MH 1/ MH 1+/?11 MH 1/?1 MH / MH 1+!/?1+ MH 1/?1/ MH / MH 1++/?1+ MH 1!/?1 MH / MH 1+?1+/ MH 1?1/ MH
5R7CF /1,?/+/ !1,?!+/ -?+1 /+?!1 !+?1 1,?-/
Possi0le D567,I7K as !*, MH to / + MH to ,,* Possi0le UP,I7K associ +*, MH to / -/ MH to !*
$rror Messages Reg#arding Possi0le ;M Prod#cts "% G A% G "% G Possi0le ;M prod#cts in AP%;F 0and "% G Possi0le ;M prod#cts in AP%;F 0and Possi0le ;M prod#cts in "GIF%;F 0and A% G
Page
;M ;nterference
7reE#enc> Range:
ociated -rd order ;M prod#cts :
ted -rd order ;M prod#cts :
Page /
"ra'ing 6 7orm#las
Antenna Antenna beam width (α)
α/2 X
H
tan
(
α 2
H L
+ β )=
w / H = X − h
β : tilts (elec. and mecan.) + protection L
h
X = tan Building roof top
L=
(
α 2
β
+
)
L + h
∗
Parapet (h)
( X − h ) tan
(
α
+
β
)
Formulas used for calculating the roof2 top clearance.
A7TE77A ERTICA, APERTURE DE9REE/:
I7PUT: T;%T
&
5UTPUT:
TABLE 1
H$;=HT:
9R5U7D m/ T56ER m/
"; J ", J -d0 CG&
53: negati;e ;a(ue* mean* a-o;e the hori
T;%T
1 , / ! +
"1 (m) /*, -+*/ -,/* ,+*!1 ,/,*// ,,!*+/ ,/*+ 1++*1 1-*,!
", (m) -d0 CG& (m) ?/*, ?1* ?/,*?/,*! ?!-*,/ ?1+*, ?11/*/ ?1-*! ?,,1*! ?,/*1/ K";&3L K";&3L ,,1*! ,+/*+, 11/*/ /*,! !-*,/ /+*
4& &
A7TE77A ERTICA, APERTURE DE9REE/:
I7PUT: T;%T
&
5UTPUT:
TABLE 1
H$;=HT:
9R5U7D m/ T56ER m/
"; J ", J -d0 CG&
53: negati;e ;a(ue* mean* a-o;e the hori
T;%T
1 , / ! + 1 11 1, 11 1/ 1! 1 1+ 1 ,
"1 (m) /*, -+*/ -,/* ,+*!1 ,/,*// ,,!*+/ ,/*+ 1++*1 1-*,! 1!*1*,+ 1-*/ 1-*+1,-*11 11!*1 1* 1*, * *,+*+ +/*+
", (m) -d0 CG& (m) ?/*, ?1* ?/,*?/,*! ?!-*,/ ?1+*, ?11/*/ ?1-*! ?,,1*! ?,/*1/ K";&3L K";&3L ,,1*! ,+/*+, 11/*/ /*,! !-*,/ /+* /,*11*! /*, -*, -+*/ ,1*+ -,/* 1* ,+*!1 1!1*/1 ,/,*// 1-!*-+ ,,!*+/ 11!*/ ,/*+ 11*/+ 1++*1 +*1+ 1-*,! *, 1!**/ 1*,+ !-*/
4& &
scratch
Page +
scratch
Page
