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8/13/2019 Calculation of Gsm Bts Rf Output Power
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White Paper On Calculating The BTS RF Output Power Security
Level: Internal
Project Name
GBSS Networ Department: !uawei Wirele"" GBSS
WHITE PAPER ON CALCULATING THE BTS RF OUTPUT
POWER
Written b POON#$ $IN!#S Date
Re!ie"e# b Date
Re!ie"e# b Date
!%#W&I Technologie" CO' LT('
#ll right" re"erve)
Intro#$ction%
When we are con*iguring any New BTS Site+ one o* the i,portant
para,eter" -eing the
output power o* the BTS+ "o it i" nece""ary that we -e aware o*
how e.actly the output
power o* a BTS i" to -e calculate)+ thi" )ocu,ent" )e"cri-e" the
proce"" o* calculatingthe output power *or a BTS which -a"ically
)epen)" upon the type o* Con*iguration
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8/13/2019 Calculation of Gsm Bts Rf Output Power
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White Paper On Calculating The BTS RF Output Power Security
Level: Internal
)e*ine) *or Sen) 5 Receive $o)e o* the "ite'
Ca&c$&ation o' O$tp$t Po"er 'or t(e BTS%
When u"ing the G$S6 7Gau""ian $ini,u, Shi*t 6eying8 ,o)ulation
"che,e+ the
output power o* (TR% in BTS201/#& can either -e 90W 7;';ue
i" alway" 100W 740)B,8'
(epen)ing upon the type o* (ata Con*iguration )e*ine) in BSC
7i'e' Sen)?Receive
$o)e8 the Output Power o* GS$ BTS201/ can -e calculate) a"
*ollow" *or )i**erent
type" o* con*iguration o* TR=@" :3
)* For S)+)+) Site %
&ach Cell i" con*igure) with 1 (TR% 5 1 ((P%+ in thi" ca"e
the BSC )ata
con*iguration will -e Tran",it In)epen)ence 7No Co,-ining8 5
Receive
In)epen)ence $o)e+ "o the Output Power in thi" ca"e will -e:O?P
Power A 7;'
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8/13/2019 Calculation of Gsm Bts Rf Output Power
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White Paper On Calculating The BTS RF Output Power Security
Level: Internal
&ach cell i" con*igure) with 1 ((P% 5 / (TR%+ in thi" ca"e
the BSC
con*iguration will -e Wi)e-an) Tran",it Co,-ination $o)e 5
Receive (iver"ity
$o)e 7(ivi)ing Receiver8+ "o the Output Power in thi" ca"e will
-e:O?P Power A 7;'
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8/13/2019 Calculation of Gsm Bts Rf Output Power
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White Paper On Calculating The BTS RF Output Power Security
Level: Internal
DSP TRXPWM.txt
Practically in L$T we can "et the TR= O?P Power in Cell
#ttri-ute"?(evice #ttri-ute":
#*ter ,aing all the"e "etting" to cro"" chec *urther+ we can u"e
Power $eter at the
"ite to con*ir, that TR= i" actually ra)iating how ,uch Output
PowerE
I* there i" any *urther little ,o)i*ication nee)e) then we can
)o ,o)i*ication in PowerFine tune 5 Power Level'
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8/13/2019 Calculation of Gsm Bts Rf Output Power
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White Paper On Calculating The BTS RF Output Power Security
Level: Internal
For every 30'/)B Power there i" relative 0'4W Change in Output
Power'
With increa"e in Power Level -y 1 the Output (ecrea"e" -y /)B
e'g' i* we ,ae Power
LevelA2+ then Output Power )ecrea"e" -y 9)B'
We can u"e the *ollowing co,,an) to ,ae ,o)i*ication":
6OD TR0DE1% ID0T2PE3B2ID04 CELLID03),4 TR0BN374 POWL374
POWT387W4 OPTL3L74 SDFLAG3ENABLE4 TCHA9FLAG32ES4 PL/PS:374
RC16D3DI1IDING4 SND6D3NOCO6B4 CPS3NO5
Screen Snap i" attache) *or re*erence'
Power Level.bp
Power FineT!ne.bp
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