12 WCDMA RAN Access Counters and KPI

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Confidential Information of Huawei. No Spreading Without Permission

N-0

www.huawei.com

Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

WCDMA RAN Access Counters and KPI

http://www.huawei.com

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Page1Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.

Foreword

l In WCDMA signaling procedure, a complete access process

contains following steps:

p RRC Connection Establishment

p Initial DT Message

p Authentication and Security Flow

p RAB Assignment

p NAS Signaling

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Objectives

l Upon completion of this course, you will be able to:

p Describe the access counters

p Describe access KPIs

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Contents

1. RRC Establishment Counters and KPI

2. Security Mode Counters and KPI

3. RAB Assignment Counters and KPI

4. RB Counters and KPI

l 接入胶片的说明：

l 整个胶片根据接入的过程分为四个内容

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Contents

1. RRC Establishment Counter and KPI

2. Security Mode Counter and KPI

3. RAB Assignment Counter and KPI


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RRC Establishment Flow

UE NodeB SRNC

RRCRRC

RRCRRC 4. CCCH : RRC Connection Set up

3. ALCAP Iub Data Transport Bearer Setup

RRCRRC 5. DCCH : RRC Connection Setup Complete

1. CCCH : RRC Connection Request

2. Radio Link SetupOnly for RRCEstablishedon DCH

l 添加了个RRC建立信令流程图

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RRC Establishment Counter System

l RRC Establishment Counter System

p RRC Connection Establishment Attempt and Success

n Based on different causes

n Based on different channels: DCH, CCH

p RRC Connection Establishment

p RRC Connection Establishment Failure

n Due to congestion or other reason

l 将此页提前，与流程图结合起来介绍counter体系

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RRC Establishment Counters (1)

l RRC Connection Establishment Attempt and Success

p Number of Processed RRC CONNECTION REQUEST messages at point A2:

p VS.RRC.AttConnEstab (RNC)

p VS.RRC.AttConnEstab.Cell (Cell)

p Numbers of RRC CONNECTION SETUP COMPLETE messages at point C:

p VS.RRC.SuccConnEstab (RNC)

p VS.RRC.SuccConnEstab.Cell (Cell)

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l RRC Connection Establishment

Success based on different Channels

p Numbers of RRC CONNECTION

SETUP COMPLETE messages at

point C:

p VS.RRC.SuccConnEstab.DCH (RNC) ,

VS.RRC.SuccConnEstab.CCH (RNC)

p VS.RRC.SuccConEst.DCH (Cell) ,

VS.RRC.SuccConEst.CCH (Cell)

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l RRC Connection Attempt and Success based on Causes (RNC)

p VS.RRC.AttConnEstab.OrgConv , VS.RRC.SuccConnEstab.OrgConv : Originating Conversational Call

p VS.RRC.AttConnEstab.OrgStr , VS.RRC.SuccConnEstab.OrgStr : Originating Streaming Call

p VS.RRC.AttConnEstab.OrgInt , VS.RRC.SuccConnEstab.OrgInt : Originating Interactive Call

p VS.RRC.AttConnEstab.OrgBkg , VS.RRC.SuccConnEstab.OrgBkg : Originating Background Call

p VS.RRC.AttConnEstab.OrgSubs , VS.RRC.SuccConnEstab.OrgSubs : Originating Subscribed traffic Call

l 基于研发的文档，好像这个VS.RRC.AttConn.UESBI.UU是没有的。

l 去掉该counter

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p VS.RRC.AttConnEstab.TrmConv , VS.RRC.SuccConnEstab.TrmConv : Terminating Conversational Call

p VS.RRC.AttConnEstab.TrmStr , VS.RRC.SuccConnEstab.TrmStr : Terminating Streaming Call

p VS.RRC.AttConnEstab.TrmInt , VS.RRC.SuccConnEstab.TrmInt : Terminating Interactive Call

p VS.RRC.AttConnEstab.TrmBkg , VS.RRC.SuccConnEstab.TrmBkg : Terminating Background Call

p VS.RRC.AttConnEstab.Emg , VS.RRC.SuccConnEstab.Emg : Emergency Call


l 去掉该counter

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p VS.RRC.AttConnEstab.CellRes , VS.RRC.SuccConnEstab.CellRes : Inter-RAT cell re-selection

p VS.RRC.AttConnEstab.Reg , VS.RRC.SuccConnEstab.Reg : Registration

p VS.RRC.AttConnEstab.Detach , VS.RRC.SuccConnEstab.Detach : Detach

p VS.RRC.AttConnEstab.OrgHPSig , VS.RRC.SuccConnEstab.OrgHPSi : Originating High Priority Signaling

p VS.RRC.AttConnEstab.OrgLPSig VS.RRC.SuccConnEstab.OgLPSig : Originating Low Priority Signaling


l 去掉该counter

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p VS.RRC.AttConnEstab.Rest , VS.RRC.SuccConnEstab.Rest :

Call re-establishment

p VS.RRC.AttConnEstab.TmHPSig , VS.RRC.SuccConnEstab.TmHPSi : Terminating High Priority Signaling

p VS.RRC.AttConnEstab.TmLPSig , VS.RRC.SuccConnEstab.TmLPSi : Terminating Low Priority Signaling

p VS.RRC.AttConnEstab.Unknown , VS.RRC.SuccConnEstab.Unknown : Cause Unknown


l 去掉该counter

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l RRC Connection Attempt and Success based on Causes (Cell)

p RRC.AttConnEstab.OrgConvCall , RRC.SuccConnEstab.OgConvCall : Originating Conversational Call

p RRC.AttConnEstab.OrgStrCall , RRC.SuccConnEstab.OrgStrCall : Originating Streaming Call

p RRC.AttConnEstab.OrgInterCall , RRC.SuccConnEstab.OrgItrCall : Originating Interactive Call

p RRC.AttConnEstab.OrgBkgCall , RRC.SuccConnEstab.OrgBkgCall : Originating Background Call

p RRC.AttConnEstab.OgSubCall , RRC.SuccConnEstab.OrgSubCall : Originating Subscribed traffic Call


l 去掉该counter

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p RRC.AttConnEstab.TmConvCall , RRC.SuccConnEstab.TmConvCall : Terminating Conversational Call

p RRC.AttConnEstab.TmStrCall , RRC.SuccConnEstab.TmStrCall : Terminating Streaming Call

p RRC.AttConnEstab.TmInterCall , RRC.SuccConnEstab.TmItrCall : Terminating Interactive Call

p RRC.AttConnEstab.TmBkgCall , RRC.SuccConnEstab.TmBkgCall : Terminating Background Call

p RRC.AttConnEstab.EmgCall , RRC.SuccConnEstab.EmgCall : Emergency Call


l 去掉该counter

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p RRC.AttConnEstab.IRATCelRes , RRC.SuccConnEstab.IRATCelRes : Inter-RAT cell re-selection

p RRC.AttConnEstab.IRATCCO , RRC.SuccConnEstab.IRATCCO : Inter-RAT cell change order

p RRC.AttConnEstab.Reg , RRC.SuccConnEstab.Reg :

Registration

p RRC.AttConnEstab.Detach , RRC.SuccConnEstab.Detach :

Detach

p RRC.AttConnEstab.OgHhPrSig , RRC.SuccConnEstab.OgHhPrSig : Originating High Priority Signaling


l 去掉该counter

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p RRC.AttConnEstab.OgLwPrSig , RRC.SuccConnEstab.OgLwPrSig : Originating Low Priority Signaling

p RRC.AttConnEstab.CallReEst , RRC.SuccConnEstab.CallReEst : Call re-establishment

p RRC.AttConnEstab.TmHhPrSig , RRC.SuccConnEstab.TmHhPrSig : Terminating High Priority Signaling

p RRC.AttConnEstab.TmLwPrSig , RRC.SuccConnEstab.TmLwPrSig : Terminating Low Priority Signaling

p RRC.AttConnEstab.Unknown , RRC.SuccConnEstab.Unkown : Cause Unknown


l 去掉该counter

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l RRC Connection

Establishment

p Number of RRC CONNECTION

SETUP messages at point B.

p VS.RRC.SetupConnEstab (RNC)

p VS.RRC.SetupConnEstab.Cell

(Cell)

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RRC Establishment KPI (1)

l RRC Setup Success Rate

p Formula:

p This KPI can be used to evaluate RRC setup success ratio for

different services and other items.

%100ionAttemptRRCConnectionSuccessRRCConnectccessRateRRCSetupSu ×=

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l Overall RRC Setup Success Rate

p Counter (RNC)

n RRCConnectionAttempt = VS.RRC.AttConnEstab

n RRCConnectionSuccess = VS.RRC.SuccConnEstab

p Counter (Cell)

n RRCConnectionAttempt = VS.RRC.AttConnEstab.Cell

n RRCConnectionSuccess = VS.RRC.SuccConnEstab.Cell

l 加入本页：总RRC建立成功率

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l RRC Setup Success Rate for Service p Counter (RNC)

n

n

p Counter (Cell)n

n

p Here the “CauseService“ could be: n (RNC) OrgConv, OrgStr, OrgInt, OrgBkg, OrgSubs, TrmConv, TrmStr,

TrmInt, TrmBkg, OrgHPSig, OrgLPSig, TmHPSig, TmLPSig, Rest.

n (Cell) OrgConvCall, OrgStrCall, OrgInterCall, OrgBkgCall, OrgSubCall, TmConvCall, TmStrCall, TmInterCall, TmBkgCall, OgHhPrSig, OgLwPrSig, TmHhPrSig, TmLwPrSig, CallReEst.

∑= ServiceService Cause.tabSuccConnEs.RRC.VSionSuccessRRCConnect∑= ServiceService Cause.abAttConnEst.RRC.VSionAttemptRRCConnect

∑= ServiceService Cause.tabSuccConnEs.RRCionSuccessRRCConnect∑= ServiceService Cause.abAttConnEst.RRCionAttemptRRCConnect

l 删除了CS, PS Service, Inter RAT Cell reselection, Inter RAT Cell change order, Registration, 改为Service和Other

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l RRC Setup Success Rate for Other

p Counter (RNC)

n

n

p Counter (Cell)

n

n

p Here the “CauseOther“ could be:

n (RNC) Emg, CellRes, Reg, Detach, Unknown.

n (Cell) EmgCall, IRATCelRes, IRATCCO, Reg, Detach, Unknown.

∑= OtherOther Cause.tabSuccConnEs.RRC.VSionSuccessRRCConnect∑= OtherOther Cause.abAttConnEst.RRC.VSionAttemptRRCConnect

∑= OtherOther Cause.tabSuccConnEs.RRCionSuccessRRCConnect∑= OtherOther Cause.abAttConnEst.RRCionAttemptRRCConnect

l 删除了CS, PS Service, Inter RAT Cell reselection, Inter RAT Cell change order, Registration, 改为Service和Other

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RRC Establishment Failure Counters (1)

l RRC Connection Failure

p Number of RRC connection failures:

p VS.RRC.FailConEst.RNC (RNC), VS.RRC.FailConnEstab (Cell)

p Notes: These counters can be used to evaluate total number of

RRC connection failures. if the RRC connection establishment

procedure failed, the RNC may send the RRC CONNECTION

REJECT message and measures the item.

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l RRC Connection Reject

p Number of RRC CONNECTIONREJECT Messages due to radio link setup failure at point A:

p VS.RRC.Rej.RL.Fail (Cell)

p Number of RRC CONNECTIONREJECT Messages due to Iub Interface AAL2 setup failure at point A:

p VS.RRC.Rej.AAL2.Fail (Cell)

UE RNC

RRC CONNECTION REQUEST

RRC CONNECTION REJECT

A

l 指标VS.RRC.Rej.AAL2.Fail不包含在指标VS.RRC.FailConnEstab中。

l 一般 RL建立失败导致 RRC连接建立拒绝的情况下较少出现，可能原因包括：

l A、NodeB设备硬件问题，如功放过热（偶尔出现）

l B、NodeB CE数受限。当 NodeB credits估计不准，不能真实反映 NodeB CE数的使用状况时，有可能出现 RNC认为 NodeB的 CE数足够，向NodeB下发 RL建立消息，NodeB由于 CE数受限返回 RL建立失败。（新版本已没有这个问题）

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l RRC Connection Reject

p Number of RRC CONNECTION

REJECT messages due to

network congestion at point A:

p VS.RRC.FailConEst.Cng.RNC

(RNC)

p RRC.FailConnEstab.Cong (Cell)

UE RNC



A

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l RRC Connection Reject due to different Causes

p Numbers of RRC CONNECTION REJECT messages due to different radio resource congestion reasons (Cell):

p VS.RRC.Rej.Power.Cong : Power resource request failure

p VS.RRC.Rej.UL.CE.Cong : Cell UL resource request failure

p VS.RRC.Rej.DL.CE.Cong : Cell DL resource request failure

p VS.RRC.Rej.Code.Cong : Cell Code resource request failure

UE RNC



A

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l RRC Connection Failure

p RRC.FailConnEstab.NoReply(Cell)

p Number of RRC connectionfailures due to no response.The measurement is triggered when the RNC does not receive the RRC CONNECT SETUP COMPLETE messages upon sending of RRC CONNECT SETUP messages.

WAITING RRC CONNECTION SETUP COMPLETE TIME OUT

UE RNC

RRC CONNECTION SETUP

A

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Contents





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Security Mode Counters

l Security Mode Command (RNC)

p Number of SECURITY MODE

COMMAND messages received

by the RNC at point A:

p VS.IU.Att.SecMode

p Number of SECURITY MODE

COMPLETE messages sent

from the RNC at point B:

p VS.IU.SuccSecMode

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Security Mode KPI

l Security Mode Command Success Rate

p For RNC,

p This KPI can be used to evaluate security mode success rate

in RNC

%100SecModeVS.IU.Att.SecModeVS.IU.Succ.RateVS.SM.Succ ×=

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Contents





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NodeBUE CNRNC

RANAPRANAP1. RAB Assignment Request

RRC RRC5. RB Setup

RRC RRC6. RB Setup Complete

RANAPRANAP7. RAB Assignment Response

4. ALCAP Iub Data Transport Bearer Recfg

3. Radio Link SetupOnly for RRCEstablishedon DCH

2. ALCAP Iu Data Transport Bearer SetupOnly forCS Service

RAB & RB Establishment Flow

l 增加RAB指配信令流程图

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RAB Assignment Counter System (1)

l CS RAB Establishment Attempt and Success

p Based on Qos

n Conversational, Streaming

p Based on Rates (RNC)

n 0~32, 32~64

p Based on Typical Services (Cell)

n AMR, VP

p Based on Queuing (RNC)

n Queuing, No Queuing

l 介绍了目前在RNC中，CS RAB Counter的分类情况

l Class 1

l Based on Qos for Attempt:

l RAB.AttEstabCS.Conv Numbers of CS RABs Requested to Establish

l RAB.AttEstabCS.Strm Numbers of CS RABs Requested to Establish

l Class 2

l Based on Queuing for Success:

l RAB.SuccEstabCSNoQueuing.Conv Numbers of CS RABs Established Successfully on Request (No Queuing)

l RAB.SuccEstabCSNoQueuing.Strm Numbers of CS RABs Established Successfully on Request (No Queuing)

l RAB.SuccEstabCSQueuing.Conv Numbers of CS RABs Established Successfully on Request (Queuing)

l RAB.SuccEstabCSQueuing.Strm Numbers of CS RABs Established Successfully on Request (Queuing)

l Class 3

l Based on different service rates and Qos for Attempt:

l VS.RAB.AttEstCSConv0.32.RNC Numbers of CS RABs with Different Max DL Bit Rates Requested to Establish

l VS.RAB.AttEstCSConv32.64.RNC Numbers of CS RABs with Different Max DL Bit Rates Requested to Establish

l VS.RAB.AttEstCSStr0.32.RNC Numbers of CS RABs with Different Max DL Bit Rates Requested to Establish

l VS.RAB.AttEstCSStr32.64.RNC Numbers of CS RABs with Different Max DL Bit Rates Requested to Establish

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RAB Assignment Counter System (2)

l PS RAB Establishment Attempt and Success

p Based on Qos

n Conversational, Streaming, Interactive, Background

p Based on Rates

n 0~32, 64, 128, 384

p Based on Queuing (RNC)

n Queuing, No Queuing

l 介绍了目前在RNC中，PS RAB Counter的分类情况

l Class 1

l Based on QoS for Attempt:

l RAB.AttEstabPS.Conv Numbers of PS RABs Requested to Establish

l RAB.AttEstabPS.StrmNumbers of PS RABs Requested to Establish

l RAB.AttEstabPS.Intact Numbers of PS RABs Requested to Establish

l RAB.AttEstabPS.Bgrd Numbers of PS RABs Requested to Establish

l Based on Queuing and QoS for Success:

l RAB.SuccEstabPSNoQueuing.ConvNumbers of PS RABs Established Successfully on Request (No Queuing)

l RAB.SuccEstabPSNoQueuing.StrmNumbers of PS RABs Established Successfully on Request (No Queuing)

l RAB.SuccEstabPSNoQueuing.IntactNumbers of PS RABs Established Successfully on Request (No Queuing)

l RAB.SuccEstabPSNoQueuing.BgrdNumbers of PS RABs Established Successfully on Request (No Queuing)

l RAB.SuccEstabPSQueuing.ConvNumbers of PS RABsEstablished Successfully on Request (Queuing)

l RAB.SuccEstabPSQueuing.StrmNumbers of PS RABsEstablished Successfully on Request (Queuing)

l RAB.SuccEstabPSQueuing.IntactNumbers of PS RABsEstablished Successfully on Request (Queuing)

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CS RAB Assignment Counters (1)

l CS RAB Assignment Attempt

based on Qos

p Numbers of RAB ASSIGNMENT

REQUEST messages at point A:

p RAB.AttEstabCS.Conv (RNC),

RAB.AttEstabCS.Strm (RNC)

p VS.RAB.AttEstabCS.Conv (Cell),

VS.RAB.AttEstabCS.Str (Cell)

l CS域整体的RAB建立，RNC和小区。

l CS domain total RAB counters. It can be used to evaluate CS total RAB setup success rate in RNC or Cell.

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l CS RAB Assignment Attempt based on Services and Ratesp Numbers of RAB ASSIGNMENT


p (RNC) VS.RAB.AttEstCSConv0.32.RNC, VS.RAB.AttEstCSConv32.64.RNC, VS.RAB.AttEstCSStr0.32.RNC, VS.RAB.AttEstCSStr32.64.RNC

p (Cell) VS.RAB.AttEstab.AMR,VS.RAB.AttEstCS.Conv.64

l CS域分业务的RAB建立（RNC和小区），在RNC的Counter里面没有VS.RAB.AttEstCS.AMR.RNC和VS.RAB.AttEstCS.64.RNC。

l 针对上面这个问题，客户会问为什么没有？

l It can be used to evaluate RAB setup success rate for different CS service. Since no counter for AMR and CS 64 (RNC), VS.RAB.AttEstCSConv0.32.RNC VS.RAB.AttEstCSConv32.64.RNCVS.RAB.AttEstCSStr0.32.RNC VS.RAB.AttEstCSStr32.64.RNC have to be used.

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l CS RAB Assignment Success based on Services and Ratesp Numbers of RAB ASSIGNMENT

RESPONSE messages at point B:

p (RNC) VS.RAB.SucEstCSConv0.32.RNC, VS.RAB.SucEstCSConv32.64.RNC, VS.RAB.SucEstCSStr0.32.RNC, VS.RAB.SucEstCSStr32.64.RNC

p (Cell) VS.RAB.SuccEstab.AMR, VS.RAB.SuccEstCS.Conv.64

l These counters are used for vodafone KPI

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l CS RAB Assignment Success based on Qos and Queuingp Numbers of RAB ASSIGNMENT

RESPONSE messages at point B :

p (RNC) RAB.SuccEstabCSNoQueuing.Conv, RAB.SuccEstabCSQueuing.Conv, RAB.SuccEstabCSNoQueuing.Strm, RAB.SuccEstabCSQueuing.Strm.

p (Cell) VS.RAB.SuccEstabCS.Conv, VS.RAB.SuccEstabCS.Str

l For CS RAB setup success, since there is no counter like RAB.SuccEstabCS.Conv, RAB.SuccEstabCSNoQueuing.ConvRAB.SuccEstabCSQueuing.Conv should be used with RAB.AttEstabCS.Conv for RAB setup success rate in RNC.

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PS RAB Assignment Counters (1)

l PS RAB Assignment Attempt based on Qosp Numbers of RAB ASSIGNMENT


p (RNC) RAB.AttEstabPS.Conv, RAB.AttEstabPS.Strm, RAB.AttEstabPS.Intact, RAB.AttEstabPS.Bgrd

p (Cell) VS.RAB.AttEstabPS.Conv, VS.RAB.AttEstabPS.Str, VS.RAB.AttEstabPS.Inter, VS.RAB.AttEstabPS.Bkg

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l PS RAB Assignment Attempt based on Rates

p Numbers of RAB ASSIGNMENT REQUESTmessages at point A:

p (RNC) VS.RAB.AttEstPSInt0.32.RNC, VS.RAB.AttEstPSBkg0.32.RNC, VS.RAB.AttEstabPS.64.RNC, VS.RAB.AttEstabPS.128.RNC, VS.RAB.AttEstabPS.384.RNC

p (Cell) VS.RAB.Att.Est.PS.Int.0.32, VS.RAB.Att.Est.PS.Bkg.0.32, VS.RAB.AttEstPS.64, VS.RAB.AttEstPS.128, VS.RAB.AttEstPS.384

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l PS RAB Assignment Success based on Rates

p Numbers of RAB ASSIGNMENT RESPONSEmessages at point B:

p (RNC) VS.RAB.SucEstPSInt0.32.RNC, VS.RAB.SucEstPSBkg0.32.RNC, VS.RAB.SuccEstabPS.384.RNC, VS.RAB.SuccEstabPS.128.RNC, VS.RAB.SuccEstabPS.64.RNC

p (Cell) VS.RAB.Suc.Est.PS.Int.0.32, VS.RAB.Suc.Est.PS.Bkg.0.32, VS.RAB.SuccEstPS.64, VS.RAB.SuccEstPS.128, VS.RAB.SuccEstPS.384

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l PS RAB Assignment Success based on Qos and Queuingp Numbers of RAB ASSIGNMENT

RESPONSE messages at point B

p (RNC) RAB.SuccEstabPSNoQueuing.Intact, RAB.SuccEstabPSQueuing.Intact, RAB.SuccEstabPSNoQueuing.Bgrd, RAB.SuccEstabPSQueuing.Bgrd

p (Cell) VS.RAB.SuccEstabPS.Inter, VS.RAB.SuccEstabPS.Bkg

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HSDPA RAB Assignment Counters

l HSDPA RAB Assignment Attempt and Success

p Numbers of RAB ASSIGNMENT REQUEST messages at point A:

p VS.HSDPA.RAB.AttEstab (Cell)

p Numbers RAB ASSIGNMENT RESPONSE messages at point B:

p VS.HSDPA.RAB.SuccEstab (Cell)

l 增加HSDPA RAB指配Counter介绍

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RAB Assignment KPI (1)

l RAB Assignment Success Rate

p Formula

p Description

n This KPI can be used to evaluate the RAB setup success ratio for

different services in RNC or cell.

%100temptRABSetupAtccessRABSetupSuccessRateRABSetupSu ×=

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RAB Assignment KPI

l AMR RAB Assignment Success Rate

p Counters (RNC)

n AMRRABSetupAttempt : VS.RAB.AttEstCSConv0.32.RNC

n AMRRABSetupSuccess : VS.RAB.SuccEstCSConv0.32.RNC

p Counters (Cell)

n AMRRABSetupAttempt : VS.RAB.AttEstab.AMR

n AMRRABSetupSuccess : VS.RAB.SuccEstab.AMR

l Number of CS RABs requested to establish for conversational services (0 ≤ Max DL bit Ratio ≤ 32 kbps) in a RNC

l No counter for AMR in RNC

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RAB Assignment KPI

l Video Call RAB Assignment Success Rate

p Counters (RNC)

n VPRABSetupAttempt : VS.RAB.AttEstCSConv32.64.RNC

n VPRABSetupSuccess : VS.RAB.SuccEstCSConv32.64.RNC

p Counters (Cell)

n VPRABSetupAttempt : VS.RAB.AttEstCS.64

n VPRABSetupSuccess : VS.RAB.SuccEstCS.64

l No counter for CS64 in RNC

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RAB Assignment KPI

l PS64 RAB Setup Success Rate

p Counters (RNC)

n PS64RABSetupAttempt : VS.RAB.AttEstabPS.64.RNC

n PS64RABSetupSuccess : VS.RAB.SuccEstabPS.64.RNC

p Counters (Cell)

n PS64RABSetupAttempt : VS.RAB.AttEstPS.64

n PS64RABSetupSuccess : VS.RAB.SuccEstPS.64

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RAB Assignment KPI


p Counters (RNC)



p Counters (Cell)



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RAB Assignment KPI


p Counters (RNC)



p Counters (Cell)



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RAB Assignment KPI

l HSDPA RAB Setup Success Rate

p Counters (Cell)

n HSDPARABSetupAttempt : VS.HSDPA.RAB.AttEstab

n HSDPARABSetupSuccess : VS.HSDPA.RAB.SuccEstab

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N-50


CS RAB Assignment Failure Counters (1)

l CS RAB Assignment Failure due

to different Reasons (Cell)

p Number of RAB ASSIGNMENT


p VS.RAB.FailEstabCS.TNL : Due

to failures of transport network

layer

p VS.RAB.FailEstabCS.RNL : Due

to failures of radio network layer

UE RNC

RAB ASSIGNMENT REQUEST

RADIO BEARER SETUP

B

CN

A

RADIO BEARER SETUP FAILURE RAB ASSIGNMENT

RESPONSE

l 关于这些RAB建立失败的原因是否能够进行简单的分析

l "Transport Layer Cause“

l "Radio Network Layer Cause“

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l CS RAB Assignment Failure due to different Reasons of RadioNetwork Layer failure (Cell)

p Number of RAB ASSIGNMENT RESPONSE messages at point B:

p VS.RAB.FailEstabCS.RNL

n VS.RAB.FailEstCS.Relo : Relocation triggered

n VS.RAB.FailEstCS.RIPFail : Radiointerface procedure failure

n VS.RAB.FailEstCS.Unsp : Unsupported.

UE RNC


RADIO BEARER SETUP

B

CN

A


RESPONSE

l 增加两页介绍CS RAB失败的原因，部分Counter有包含关系

l "Relocation Triggered"

l "Failure in the Radio Interface Procedure"

l “Requested Traffic Class not Available” , “Requested Maximum Bit Rate not Available” , “Requested Maximum Bit Rate for DL not Available” ,“Requested Maximum Bit Rate for UL not Available” , “Requested Guaranteed Bit Rate not Available” , “Requested Guaranteed Bit Rate for DL not Available”, “Requested Guaranteed Bit Rate for UL not Available” , “Requested Transfer Delay not Achievable”

Course Name


N-52



l CS RAB Assignment Failure due to different Reasons of Radio Resource Congestion (Cell)p Number of RAB ASSIGNMENT


p VS.RAB.FailEstCS.Unspn VS.RAB.FailEstCs.Power.Cong : Power

resource request failure

n VS.RAB.FailEstCs.ULCE.Cong : Uplink cell resource request failure

n VS.RAB.FailEstCs.DLCE.Cong : Downlinkcell resource request failure

n VS.RAB.FailEstCs.Code.Cong : Code resource request failure

n VS.RAB.FailEstCs.IUB.Band : Iub Bandwidth request failure

UE RNC


RADIO BEARER SETUP

B

CN

A


RESPONSE

Course Name


N-53


PS RAB Assignment Failure Counters (1)

l PS RAB Assignment Failure due to

different Reasons (Cell)

p Number of RAB ASSIGNMENT


p VS.RAB.FailEstPS.NResAvail : Due

to the lack of system resources.

p VS.RAB.FailEstPS.TNL : Due to the

failures of transport network layer

p VS.RAB.FailEstPS.RNL : Due to the

failures of radio network layer

UE RNC


RADIO BEARER SETUP

B

CN

A


RESPONSE

l 关于这些RAB建立失败的原因是否能够进行简单的分析

l “No resource available” as a shortage of memory

Course Name


N-54



l PS RAB Assignment Failure due to different Reasons of Radio Network Layer Failure (Cell)p Number of RAB ASSIGNMENT


p VS.RAB.FailEstPS.RNLn VS.RAB.FailEstPS.Par : Parameter

errors

n VS.RAB.FailEstPS.Relo : Relocationtriggered

n VS.RAB.FailEstPS.RIPFail : Radio interface procedure failure

n VS.RAB.FailEstPS.Unsp : Unsupported

UE RNC


RADIO BEARER SETUP

B

CN

A


RESPONSE

l 增加两页介绍PS RAB失败的原因，部分Counter有包含关系

l VS.RAB.FailEstPS.Par 包含原因值：“Invalid RAB Parameters Value”,“Invalid RAB Parameters Combination”, “Condition Violation for SDU Parameters”, “Condition Violation for Traffic Handling Priority”, “Condition Violation for Guaranteed Bit Rate” .

l “Relocation Triggered”

l “Failure in the Radio Interface Procedure”

l “Requested Traffic Class not Available” , “Requested Maximum Bit Rate not Available” , “Requested Maximum Bit Rate for DL not Available” ,“Requested Maximum Bit Rate for UL not Available” , “Requested Guaranteed Bit Rate not Available” , “Requested Guaranteed Bit Rate for DL not Available” , “Requested Guaranteed Bit Rate for UL not Available” , “Requested Transfer Delay not Achievable”

Course Name


N-55



l PS RAB Assignment Failure due to different Reasons of Radio ResourceCongestion (Cell)p Number of RAB ASSIGNMENT


p VS.RAB.FailEstPS.Unspn VS.RAB.FailEstPs.Power.Cong : Power

resource request failure

n VS.RAB.FailEstPs.ULCE.Cong : Uplink cell resource request failure

n VS.RAB.FailEstPs.DLCE.Cong : Downlinkcell resource request failure

n VS.RAB.FailEstPs.Code.Cong : Code resource request failure

n VS.RAB.FailEstPs.IUB.Band : Iub Bandwidth request failure

UE RNC


RADIO BEARER SETUP

B

CN

A


RESPONSE

Course Name


N-56


Contents





Course Name


N-57


RB Establishment Counters

l RB Establishment Attempt and Success (Cell)

p Number of RADIO BEARER SETUP messages at point A:

p VS.AttRBSetup

p Number of RADIO BEARER SETUP COMLETE messages at point B:

p VS.SuccRBSetup

Course Name


N-58


RB Establishment KPI

l RB Establishment Success Rate

p Formula

p Description

n This KPI can be used to evaluate the RB setup success ratio in

cell.

%100emptRBSetupAttcessRBSetupSuccessRateRBSetupSuc ×=

Course Name


N-59


RB Establishment Failure Countersl RB Establishment Failure (Cell)

p Number of RB setup failures for different causes at point A:

p VS.FailRBSetup.CfgUnsup : Configuration unsupported

p VS.FailRBSetup.PhyChFail : Physical channel failure

p VS.FailRBSetup.CellUpd : Cell update occurred

p VS.FailRBSetup.IncCfg : Invalid configuration

p VS.FailRBSetup.NoReply : No reply

UE RNC

RADIO BEARER SETUP

RADIO BEARER SETUP FAILURE

A

WAITING RADIO BEARER SETUP COMPLETE TIME OUT

UE RNC

RADIO BEARER SETUP

A

Course Name


N-60


RB Reconfiguration Counters

l RB Reconfiguration Attempt and Success (Cell) p Number of RADIO BEARER

RECONFIGURATION messages at point A:

p VS.AttRBRecfg

p Number of RADIO BEARER RECONFIGURATION COMPLETE messages at point B:

p VS.SuccRBRecfg

Course Name


N-61


RB Reconfiguration Failure Countersl RB Reconfiguration Failure (Cell)

p Number of RB reconfiguration failures for different causes at point A:

p VS.FailRBRecfg.CfgUnsup : Configuration unsupported

p VS.FailRBRecfg.PhyChFail : Physical channel failure

p VS.FailRBRecfg.CellUpd : Cell update occurred

p VS.FailRBRecfg.IncCfg : Invalid configuration

p VS.FailRBRecfg.NoReply : No reply

UE RNC

RADIO BEARER RECONFIGURATION

RADIO BEARER RECONFIGURATION FAILURE

A

WAITING RADIO BEARER RECONFIGURATION

COMPLETE TIME OUT

UE RNC

RADIO BEARER RECONFIGURATION

A

Course Name


N-62


Summary

l This chapter mainly explained the KPIs about Accessibility

p RRC Establishment Success Rate

p RAB Assignment Success Rate

p RB Counters

Course Name


N-63

Thank youwww.huawei.com

http://www.huawei.com

Documents

12 WCDMA RAN Access Counters and KPI