Rooftop Clearence
QUICK PREDICT®
!
Rooftop Clearence Prediction Tool
_ Parapet Height (optional): (ph) "istance from B#ilding $dge: (%) &ertical Beam'idth (degrees): (a (alpha) $lectrical / Mechanical "o'ntilt: (dt)
*
!
1!
1!!
+
(theta)
+1+!1-
_
!
1
1
1*
&ertical Protection Margin: (eta)
_
*!
1
*!
!
theta2(a t /eta) 1 lpha3* / d*
3.2!3
_
*! *!
Roo f a nd P arap et
Minimum Height to Center of Antenna:
_
+
5 n t Hei gh t
!
-
dB B e a m 'i dt h
H 2 tan (theta) (theta ) 4 % / ph =#ardand
45 more detailed dra'ing and the form#las #sed can e fo#nd on the "ra'ing 6 7orm#las ta of this 'or8sheet
5 9ertical 9ertical protection margin of , , deg is recommeded for most cases ;n dense #ran areas< a lo'er margin is acceptale
Page 1
Rooftop Clearence
QUICK PREDICT® Cell Bo#ndr> Prediction Tool
5ntenna Height: (H_antenna)
"2
Moile Height: (H_moile)
#.!
&ertical Beam'idth (degrees): (5%PH5) $lectrical "o'ntilt ($"T)
. m t h g i e H a n n e t n A
X_earth +! )!
$.3
)
#
*
(B$T5)
2 1*
Y_Mast +*
Y_moile Y?main eam Y_dBeam
+
*!
1!
Mechanical "o'ntilt: (M"T)
Qui&0 Pre(i&t 11Theoreti&a' 3 (, 2re(i&tion of Ce'' oun(r4
1
1.!
1! +* +* +* 1+0+-*,
!
Radi#s of the @near@ dB theoretical o#ndr>: (m) Theoreti&a' Ra(iu) of the Ma* +o,e: -m Radi#s of the @far?@ dB theoretical o#ndr>: (m)
#"".% #/.! 2$!./
!
1
1!
*
*!
Ce'' Ra(iu) -m. 5ntenna
Moil e
Apper theoretical dB o#ndr> is elo' the horion
45 more detailed dra'ing and the form#las #sed can e fo#nd on the "ra'ing 6 7orm#las ta of this 'or8sheet
) dB Be am'idth
MaC %o e
Rooftop Clearence
QUICK PREDICT® Cell Bo#ndr> Prediction Tool
5ntenna Height: (H_antenna)
"2
Moile Height: (H_moile)
#.!
&ertical Beam'idth (degrees): (5%PH5) $lectrical "o'ntilt ($"T)
. m t h g i e H a n n e t n A
X_earth +! )!
$.3
)
#
*
(B$T5)
2 1*
Y_Mast +*
Y_moile Y?main eam Y_dBeam
+
*!
1!
Mechanical "o'ntilt: (M"T)
Qui&0 Pre(i&t 11Theoreti&a' 3 (, 2re(i&tion of Ce'' oun(r4
1
1.!
1! +* +* +* 1+0+-*,
!
Radi#s of the @near@ dB theoretical o#ndr>: (m) Theoreti&a' Ra(iu) of the Ma* +o,e: -m Radi#s of the @far?@ dB theoretical o#ndr>: (m)
#"".% #/.! 2$!./
!
1
1!
5ntenna
Moil e
Apper theoretical dB o#ndr> is elo' the horion
45 more detailed dra'ing and the form#las #sed can e fo#nd on the "ra'ing 6 7orm#las ta of this 'or8sheet
Page *
Rooftop Clearence
)
*
*!
Ce'' Ra(iu) -m. ) dB Be am'idth
MaC %o e
Rooftop Clearence
)
Page
;M ;nterference
Enter "o'nlin8
QUICK PREDICT®
Range:
1.0 MH to
1.0!
Aplin8 Range: 1,. MH to
1,.!
;ntermod#lation ;nterference Prediction Tool ;ntermod#lation interference ma> occ#r 'hen a site is co?located near a nother transmitting de9ice This tool predicts possile rd order intermod prod#cts and 'arns if the> are in a PCD and Enter Possile
;nterferin 1.! MH to 1.-
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 .!?.+0! MH 1?-* 1*! MH .*!?.1! MH .+0!?.- 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 1,0?1,,! MH 1.!?1.-! MH 1! MH 1,.!?1.1 MH 1.0!?1.. MH ! MH 1,-!?1,0 MH 1.+!?1.! MH ! MH 1,,!?1,. MH 1.-!?1.0 MH ! MH 1,.?1,.! MH 1.0?1.0! MH
$rror Messages Reg#arding Possile ;M Prod#cts
5R7CF !1*?!,! -1*?-,! 00?,1 !,0?-1 -,0?01 01*?0!
Possile D567+I7K as 1., MH to *+! 1,! MH to 1.! Possile UP+I7K associ 1,* MH to 1,,! 1.1! MH to *
;M ;nterference
Enter "o'nlin8
QUICK PREDICT®
Range:
1.0 MH to
1.0!
Aplin8 Range: 1,. MH to
1,.!
;ntermod#lation ;nterference Prediction Tool ;ntermod#lation interference ma> occ#r 'hen a site is co?located near a nother transmitting de9ice This tool predicts possile rd order intermod prod#cts and 'arns if the> are in a PCD and Enter Possile
;nterferin 1.! MH to 1.-
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 .!?.+0! MH 1?-* 1*! MH .*!?.1! MH .+0!?.- 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 1,0?1,,! MH 1.!?1.-! MH 1! MH 1,.!?1.1 MH 1.0!?1.. MH ! MH 1,-!?1,0 MH 1.+!?1.! MH ! MH 1,,!?1,. MH 1.-!?1.0 MH ! MH 1,.?1,.! MH 1.0?1.0! MH
5R7CF !1*?!,! -1*?-,! 00?,1 !,0?-1 -,0?01 01*?0!
Possile D567+I7K as 1., MH to *+! 1,! MH to 1.! Possile UP+I7K associ 1,* MH to 1,,! 1.1! MH to *
$rror Messages Reg#arding Possile ;M Prod#cts "% G A% G "% G Possile ;M prod#cts in AP%;F and "% G A% G Possile ;M prod#cts in "GIF%;F and A% G
Page +
;M ;nterference
;M ;nterference
7reE#enc> Range:
ociated rd order ;M prod#cts :
ted rd order ;M prod#cts :
Page !
"ra'ing 6 7orm#las
"ra'ing 6 7orm#las
Antenna Antenna beam width (a)
a/2
X
H
tan
(
α 2
H L
+ β )=
w / H = X − h
b : tilts (elec. and mecan.) + protection L
h
X =tan Building roof top
L=
(
α 2
β
+
)
L + h
∗
Parapet (h)
( X − h ) tan
(
α
β
+
)
Formulas used for calculating the roof2 top clearance.
A7TE77A 8ERTICA+ APERTURE -DE9REE:
I7PUT: T;%T
;
5UTPUT:
TABLE 1
H$;=HT:
9R5U7D -m T56ER -m
"; J "* J d CG&
5: negati
T;%T
1 * + ! 0 , . 1 11 1* 1 1+
"1 (m) *+11 1.+1 1-10+ 1,+! 1*.10 .-+1 ,0+0.., 0-+ -,1, -++ !.*. !!- !**
"* (m) ?*+11 ?*+, ?+,-,* ?.0. K";&3L .0. +,-,* *+, *+11 1.+1 1-10+ 1,+! 1*.10 .-+1
d CG& (m) ?+,-** ?!1,-. ?-+,!?111*, K";&3L ,--- .+ *-.* 1-1 1*-, .!0!1 -1-, !10 ++.
#$
A7TE77A 8ERTICA+ APERTURE -DE9REE:
I7PUT: T;%T
;
H$;=HT:
5UTPUT:
TABLE 1
9R5U7D -m T56ER -m
#$
"; J "* J d CG&
5: negati
T;%T
1 * + ! 0 , . 1 11 1* 1 1+ 1! 110 1, 1. *
"1 (m) *+11 1.+1 1-10+ 1,+! 1*.10 .-+1 ,0+0.., 0-+ -,1, -++ !.*. !!- !** +.0 +-01 ++*. +*, +! ,1,
"* (m) ?*+11 ?*+, ?+,-,* ?.0. K";&3L .0. +,-,* *+, *+11 1.+1 1-10+ 1,+! 1*.10 .-+1 ,0+0.., 0-+ -,1, -++ !.*.
Page 0
d CG& (m) ?+,-** ?!1,-. ?-+,!?111*, K";&3L ,--- .+ *-.* 1-1 1*-, .!0!1 -1-, !10 ++. ,. *0 *.! *-11 *+ *11
1313*10
