8/13/2019 PS Bler Improvement Strategy

1/6

PS R99 UL BLER

8/13/2019 PS Bler Improvement Strategy

2/6

Problem:

TrueBLERCSPS R992%

UL BLER (Uplink Block Error Rate) AMR % Cell, RNC,

Group of

Clusters

Daily BH, Weekly

BH

8/13/2019 PS Bler Improvement Strategy

3/6

VoiceVideoPS R99

8/13/2019 PS Bler Improvement Strategy

4/6

ZTE Corporation. All rights reserved.

> Internal Only

SirTarget

PS R99

SRVTYPE ULINITSIR ULMAXSIR

Sub-service Type Uplink Initial SIR Target(dB) Maximum Uplink SIR Target(dB)

40 5.0->7.0 12.0->15.0

44 6.0->8.0 12.0->17.0

46 7.0->8.0 15.0->17.0

SRVTYPE BLERACCPPERIOD ERRORTHRESH

Sub-

ServiceTolerance BLER Period(TBs) Error Transport Block Number Threshold(TBs)

44 500->550 2->140 250->300 2->1

46 250->300 2->1

SRVTYPE ULSIRTARGUPSTEP MAXSIRTARGDNSTEP

Sub-

service

Type

Uplink SIR Target Up Step Size(dB) Uplink SIR Target Maximum Down Step Size(dB)

40 0.3->0.4 0.6->0.3

44 0.5 0.6->0.3

46 0.3->0.4 0.6->0.3

8/13/2019 PS Bler Improvement Strategy

5/6

ZTE Corporation. All rights reserved.

> Internal Only

-

8/13/2019 PS Bler Improvement Strategy

6/6

ZTE Corporation. All rights reserved.

Thanks!