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$isting "%1&%,-3,1# to "1'&%,0,0#, then it will be better for P()* !ower in ser+ing cell, while redce interference from neighboring cell R channel& Neighbor
RS channel intererence will impact data
!ualit" on #er$ing cell % #"mbol. Neighbor
data will al#o be intererence 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 S0R reduce b' 2dB ( P-S)H data channel S0R remain# throughput,
Better throughput eperience when low load
Huawei Confdential
(Pa, Pb) and RS power trial result (cluster 4) hrogh!t in clster . im!ro+ed as e$!ected, considering +ariably of the test sam!le, actal thorgh!t im!ro+ement shall be - 10& When we se Pa,Pb "0,0# in the same 2R condition, we get better throgh!t& RS$(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 S0R(dB# umber5 S8-3 Ratio .hroughput(9bps# coverage<"= )ount5s ms
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Huawei Confdential
Clu#ter RSRP efore
4fter
Huawei Confdential
Clu#ter SNR efore
4fter
Huawei Confdential
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