Pa PB WJ Report

RS power (Pa Pb) optimization report in WJ www.huawei.com

Huawei Confdential

(Pa, Pb) setting analysis When network load is low, UE interference is mainly from neighbor cell R channel ince now network load is low, if change R !ower and "Pa, Pb# from e$isting "%1&%,-3,1# to "1'&%,0,0#, then it will be better for P()* !ower in ser+ing cell, while redce interference from neighboring cell R channel&  Neighbor

RS channel intererence will impact data

!ualit" on #er$ing cell % #"mbol.  Neighbor

data will al#o be intererence to #er$ing

RS. &ata demodulation i# ba#ed on RS channel !ualit" e#timation' #o accurac" on RS !ualit" will impact all data #ub channel.

Pa -3 / Pb 1

Pa 0 / Pb 0

Pro

1 High RS mapping to large coverage 2 When network load is medium and above (PRB utilization  2!"#$ high RS will help %& on access and mobilit'

)on

1 RSRP will be /dB lower When network load is low (PRB utilization  2!"#$ data channel inter*erence is ma+or *rom neighbor cell RS channel, High RS will impact overall -. 2 S0R reduce b' 2dB ( P-S)H data channel S0R remain# throughput,

Better throughput eperience when low load

Huawei Confdential

(Pa, Pb) and RS power trial result (cluster 4) hrogh!t in clster . im!ro+ed as e$!ected, considering +ariably of the test sam!le, actal thorgh!t im!ro+ement shall be  - 10& When we se Pa,Pb "0,0# in the same 2R condition, we get better throgh!t& RS$(Pa$Pb# )luster Setting

Serving P%S)H RSRP Path3oss(dB# (dBm#

P-S)H P-))H Serving RB 67489) R6:28 -3 R3) ;verlapped -3 4rant S0R(dB# umber5 S8-3 Ratio .hroughput(9bps# coverage1?D1?/C

AC,C1D

12,A1?A>

21,?DD

1>,2/CC

!,DD?>

,!!?

>,C>"

)luster >

Huawei Confdential

Clu#ter  RSRP efore

4fter

Huawei Confdential

Clu#ter  SNR efore

4fter

Huawei Confdential

Page 6