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CSSR improvement Phase II:Fach Power Adjustment Trial

WNE39/Nov/2006

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Index

Problem description

Trial

Link budet

Parameter settins !esults/"P# rap$s

%onclusions

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&

Link ud!et impact

Link 'udet impact NE( Trial

Link "ud!et e#ore $%& Trial

Link "ud!et durin! $%& Trial

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)

Prolem description

%ounter anal*ses+ ,$ic$ ,as con-irmed t$rou$ -ieldresults+ $i$li$ted a lo,er %all set up .uccess rate onobile

Terminatin calls i- compared to obile riinatin calls1( 45 Preliminar* investiation $as s$o,n t$atconnected and idle mode link budet mi$t not be properl*alined and ,e mi$t be L limited5

.olution to test7

'* ad8ustin t$e cells %ommon po,ers 1ac$ po,er4 used int$e call setup p$ase+ ,e ,ere $opin to virtuall* increase t$e3: L accessibilit* coverae5

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Parameters settin!s

Paramter

"e#ore

'd"(

A#ter

'd"( Chan!edsccpchPowerRelativeToPcpich ) * 4-Oct-06

sccpchPowerRelativeToPcpich * ) 10-Oct-06

fachPowerAdjustmentCpichEcNoThreshold ;(2 ;(0 4-Oct-06

fachPowerAdjustmentCpichRscpThreshold ;(() ;(00 4-Oct-06

InitialFachPowerAdjustment 2 & 4-Oct-06FachPw.

Adjus.

feature

maxFachPowerRelativeToPcpich & < 4-Oct-06

T$e =pu sa*s7>In order to ensure that the maximum FACH power will be high enough to allow thetransmission o the last repetition o !!C Connection "etup# its $alue should respect the e%uation#

as shown in FACH power ad&ustment'(

'e-ore Trial7maxFachPowerRelativeToPcpich !" #sccpchPowerRelativeToPcpich $" % InitialFachPowerAdjustment &" % N'())"*

FachTransmitPower+evel,tep )"

?-ter Trial7maxFachPowerRelativeToPcpich -" #sccpchPowerRelativeToPcpich &" % InitialFachPowerAdjustment !" % N'())"*

FachTransmitPower+evel,tep )"

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ResultsCell colour+RA" distriution

Cell colour distriution$%& Trial

RA" distriution

$%& Trial

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