10 wcdma radio network mobility counter and kpi

HUAWEI TECHNOLOGIES CO., LTD.

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HUAWEI Confidential

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WCDMA Mobility Counter System and KPI

ISSUE 1.0

HUAWEI TECHNOLOGIES CO., LTD. Page 2HUAWEI Confidential

l WCDAM handover can be divided into different categories.

l Different counters and KPI are used for different handover.

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

[Know different handover counter system

[Know different handover KPI

Mobility Counter and KPI System

l Soft handover

[ Softer handover

l Hard handover

[ Inter-frequency hard handover

[ Intra-frequency hard handover

l Inter RAT handover

[ Inter-RAT CS handover

[ Inter-RAT PS handover

l HSDPA handover

[ Handover between HSDPA cells

[ Handover between HSDPA and DCH

Chapter 1 Soft Handover Counter and KPI Chapter 1 Soft Handover Counter and KPI

Chapter 2 Hard Handover Counter and KPIChapter 2 Hard Handover Counter and KPI

Chapter 3 InterChapter 3 Inter--RAT Handover Counter and KPIRAT Handover Counter and KPI

Chapter 4 HSDPA Handover Counter and KPIChapter 4 HSDPA Handover Counter and KPI

Soft Handover Counter System

l Soft handover procedure

[ Measurement report: 1A, 1B,1C, 1D

[ Active set update & Active set update complete:

− 1A, 1B,1C

l Soft handover (RNC)

[ Attempt: VS.SHO.Att.RNC at point B

[ Success: VS.SHO.Succ at point C

[ UEs with One RL: VS.SHO.AS.1

[ UEs with Two RLs Combined: VS.SHO.AS.2Softer

[ UEs with Two RLs Uncombined: VS.SHO.AS.2Soft

[ UEs with Three RLs Combined: VS.SHO.AS.3Softer

[ UEs with Three RLs and Two of them Combined: VS.SHO.AS.3Soft2Softer

[ UEs with Three RLs Uncombined: VS.SHO.AS.3Soft

[ Call Drops due to Soft Handover: VS.SHO.Drop.RNC

l Soft handover (Cell)

[ Soft handover based on different services

− VS.SHO.AMR.AttOut

− VS.SHO.CS64.AttOut

− VS.SHO.PS64.AttOut

[ RL Additions or deletions for Soft Handover

− SHO.AttRLAddUESide at point B SHO.SuccRLAddUESide at point C

− SHO.AttRLDelUESide at point B SHO.SuccRLDelUESide at point C

− VS.SHO.AMR.SuccOut

− VS.SHO.CS64.SuccOut

− VS.SHO.PS64.SuccOut

l Soft handover (Cell)

[ Other related counters:

− SHO.FailRLAddUESide.NoReply

Soft Handover KPI

l Soft Handover Success Rate

[Formula

[Measurement scope:

− RNC & Cell

[Description

− This KPI can be used to evaluate the soft handover success Rate in one RNC or one cell, which includes softer handover.

%100*_mptSHOASUAtteessSHOASUSuccSRSHO =

Soft Handover KPI

l Soft Handover Success Rate

[ Counters (RNC)

− SHOASUAttempt: VS.SHO.Att.RNC

− SHOASUSuccess: VS.SHO.Succ

[ Counters (Cell)

− SHOASUAttempt:

▪ SHO.AttRLAddUESide

▪ SHO.AttRLDelUESide

− SHOASUSuccess:

▪ SHO.SuccRLAddUESide

▪ SHO.SuccRLDelUESide

Soft Handover KPI

l Average Active Set Size

[Formula

[Measurement scope:

− RNC

[Description

− This KPI can be used to evaluate the soft handover percentage

%100*3*2*1* 321

UEUEUESHR

Soft Handover KPI

l Average Active Size

[ Counters

− UE1: VS.SHO.AS.1

− UE2: VS.SHO.AS.2Softer & VS.SHO.AS.2Soft

− UE3: VS.SHO.AS.3Softer, VS.SHO.AS.3Soft & VS.SHO.AS.3Soft2Softer

− UE: VS.SHO.AS.1+ VS.SHO.AS.2Softer+VS.SHO.AS.2Soft+

VS.SHO.AS.3Softer+VS.SHO.AS.3Soft + VS.SHO.AS.3Soft2Softer

Hard Handover Counter System

l Hard handover procedure

[ Inter-frequency hard handover

[ Intra-frequency hard handover

Inter-frequency Hard Handover Counter System

l Inter-frequency Hard handover (RNC)

[ Inter-Frequency Hard Handover Requests: VS.HHO.InterFreq.Att.RNC at point B

[ Successful Inter-Frequency Hard Handovers: VS.HHO.InterFreq.Succ.RNC at point C

l Inter-frequency Hard handover (Cell)

[ Hard Handover Requests: VS.HHO.InterFreq.AttOut at point B

[ Successful Hard Handovers: VS.HHO.InterFreq.SuccOut at point C

l Inter-frequency hard handover execution failure, due to:[ configuration unsupported: VS.HHO.InterFreqOut.CfgUnsupp

[ physical channel failure: VS.HHO.InterFreqOut.PyhChFail

[ Incompatible simultaneous reconfiguration: VS.HHO.InterFreqOut.FailUSR

[ cell update occurred: VS.HHO.InterFreqOut.CellUpdt

[ invalid configuration: VS.HHO.InterFreqOut.CfgInvalid

l Inter-frequency Hard handover Failure Analysis (Cell)[ VS.HHO.InterFreqOut.NoReply

l Inter-frequency Hard handover Failure Analysis (Cell)

[ Code resource allocation failure: VS.HHO.InterFreqOut.DLCodeRej

[ UL admission rejection :VS.HHO.InterFreqOut.ULAdmsnDeny

[ DL admission rejected: VS.HHO.InterFreqOut.DLAdmsnDeny

Hard Handover Counter System

l Hard handover (RNC)

[ Hard Handover Requests: VS.HHO.Att.RNC at point B

[ Successful Hard Handovers: VS.HHO.Succ.RNC at point C

l Hard handover based on different services (Cell)[ VS.HHO.AMR.AttOut

[ VS.HHO.CS64.AttOut

[ VS.HHO.PS64.AttOut

[ VS.HHO.AMR.SuccOut

[ VS.HHO.CS64.SuccOut

[ VS.HHO.PS64.SuccOut

Inter-frequency hard handover KPI

l Inter-frequency Hard Handover Success Rate

[Formula

[Measurement scope:

− RNC & Cell

[Description

− This KPI can be used to evaluate the inter-frequency hard handover success Rate in one RNC.

%100_ ×=temptInterHHOAtccessInterHHOSuSRInterHHO

Inter-frequency hard handover KPI

l Inter-frequency Hard Handover Success Rate

[ Counters (RNC)

− InterHHOAttempt (RNC): VS.HHO.InterFreq.Att.RNC

− InterHHOSuccess (RNC): VS.HHO.InterFreq.Succ.RNC

[ Counters (Cell)

− InterHHOAttempt (Cell): VS.HHO.InterFreq.AttOut

− InterHHOSuccess (Cell): VS.HHO.InterFreq.SuccOut

Inter-RAT Handover Counter System

l CS Inter-RAT handover procedure[ CS handover from WCDMA to GSM

[ This procedure can be divided into two steps:

− Handover preparation:

▪ From point A to point B

− Handover execution

▪ From point C to point D

l CS Inter-RAT handover counters (RNC)

[ Preparation request: VS.SRELOC.AttPrep.IRHOCS at point A

[ Preparation success: VS.SRELOC.SuccPrep.IRHOCS at point B

[ Execution request: VS.IRATHO.AttCSOut.RNC at point C

[ Execution success: VS.IRATHO.SuccCSOut.RNC at point D

l CS Inter-RAT handover counters (Cell)

[ Preparation request: IRATHO.AttRelocPrepOutCS at point A

[ Preparation success: IRATHO.SuccRelocPrepOutCS at point B

[ Execution request: IRATHO.AttOutCS at point C

[ Execution success: IRATHO.SuccOutCS at point D

l CS Inter-RAT handover preparation failure (RNC) is due to

[ No response for Relocation Required at point A in the figure 1:

VS.SRELOC.Fail.IRATCSOutNRpl

[ Failure response for Relocation Required at point A in the figure 2:

VS.SRELOC.FailPrep.IRATCSOut

Figure1 Figure2

l CS Inter-RAT handover preparation failure (RNC)

[ Failure response for Relocation Required: VS.SRELOC.FailPrep.IRATCSOut

− Due to Relocation Cancelled: VS.SRELOC.Fail.IRATCSOutCanc

− Due to TRELOCalloc Expiry : VS.SRELOC.Fail.IRATCSOutTexp

− Due to Relocation Failure in Target CN/RNC or Target System : VS.SRELOC.Fail.IRATCSOutTfai

− Due to Unknown Target RNC:VS.IRATHO.PrepFailCSOut.UkwnRNC

− Due to No Resource Available : VS.IRATHO.PrepFailCSOut.NoRsrc

− Due to Requested Information Not Available: VS.IRATHO.PrepFailCSOutReqinfnotavai

l CS Inter-RAT handover preparation failure (Cell)

[ Failure response for Relocation Required, due to:

− TRELOCalloc expiry: IRATHO.FailRelocPrepOutCS.TAlExp

− Relocation Failure in Target CN/RNC or Target System: IRATHO.FailRelocPrepOutCS.TgtFail

− Relocation not supported in Target RNC or Target system: IRATHO.FailRelocPrepOutCS.ReloNoSup

l CS Inter-RAT handover execution failure is due to

[ Configuration Unsupported :

− VS.IRATHO.FailCSOut.CfgUnRNC (RNC)

− IRATHO.FailOutCS.CfgUnsupp (Cell)

[ Physical Channel Failure :

− VS.IRATHO.FailCSOut.PhyFaRNC (RNC)

− IRATHO.FailOutCS.PhyChFail (Cell)

l PS Inter-RAT handover procedure[ PS handover from WCDMA to GPRS

[ This procedure can be divided into two steps:

− Handover preparation:

▪ From point A to point B

− Handover execution

▪ From point B to point C

l PS Inter-RAT handover counters (RNC)

[ Preparation request: VS.IRATHO.EvalPSOutUTRAN.RNC at point A

[ Preparation success and Execution request: VS.IRATHO.AttPSOutUTRAN.RNC at point B

[ Execution success: VS.IRATHO.SuccPSOutUTRAN.RNC at point C

l PS Inter-RAT handover counters (Cell)

[ Execution request: VS.IRATHO.AttOutPSUTRAN at point B

[ Execution success: VS.IRATHO.SuccOutPSUTRAN at point C

l PS Inter-RAT handover failure counters (RNC)

[ No response for Cell Change Order from UTRAN, and then no Iu release command

from CN: VS.IRATHO.PSOut.NoReply

[ Failure response from UE: VS.IRATHO.PSOut.Fail

− Configuration unacceptable: VS.IRATHO.PSOut.CfgUnsup

− Physical Channel Failure: VS.IRATHO.PSOut.PhyCHFail

− Unspecified: VS.IRATHO.PSOut.Unpec

Inter-RAT Handover KPI

l CS Inter-RAT Handover Preparation Success Rate (WCDMA to GSM)

[Formula

[Measurement scope:

− RNC & Cell

[Description

− This KPI can be used to evaluate the CS inter-RAT preparation handover success Rate in one RNC

%100*_tPpHOAttempCSInterRATsPpHOSuccesCSInterRATSRATPpHOCSInterreR =

l CS Inter-RAT Handover Preparation Success Rate (WCDMA to GSM)

[ Counters

− CSInterRATPpHOAttempt:

VS.SRELOC.AttPrep.IRHOCS (RNC)

IRATHO.AttRelocPrepOutCS (Cell)

− CSInterRATPpHOSuccess

VS.SRELOC.SuccPrep.IRHOCS (RNC)

IRATHO.SuccRelocPrepOutCS (Cell)

l CS Inter-RAT Handover Execution Success Rate (WCDMA to GSM)

[Formula

[Measurement scope:

− RNC & Cell

[Description

− This KPI can be used to evaluate the CS inter-RAT handover success Rate in one RNC

%100*_HOAttemptCSInterRATHOSuccessCSInterRATSRHOCSInterRAT =

l CS Inter-RAT Handover Execution Success Rate (WCDMA to GSM)

[ Counters

− CSInterRATHOAttempt:

VS.IRATHO.AttCSOut.RNC (RNC)

IRATHO.AttOutCS (Cell)

− CSInterRATHOSuccess

VS.IRATHO.SuccCSOut.RNC (RNC)

IRATHO.SuccOutCS (Cell)

l PS Inter-RAT Handover Preparation Success Rate (WCDMA to GPRS)

[Formula

[Measurement scope:

− RNC

[Description

− This KPI can be used to evaluate the PS inter-RAT handover prepaRaten success Rate in one RNC

%100_ ×=tOutPpHOAttempPSInterRATsOutPpHOSuccesPSInterRATSRPpHOPSInterRAT out

l PS Inter-RAT Handover Preparation Success Rate (WCDMA to GSM)

[ Counters

− PSInterRATPpHOAttempt (RNC):

VS.IRATHO.EvalPSOutUTRAN.RNC

− PSInterRATPpHOSuccess (RNC)

VS.IRATHO.AttPSOutUTRAN.RNC

l PS Inter-RAT Handover Execution Success Rate (WCDMA to GPRS)

[Formula

[Measurement scope:

− RNC & Cell

[Description

− This KPI can be used to evaluate the PS inter-RAT handover success Rate in one RNC, which includes handover out from this

%100_ ×=utHOAttemptOPSInterRATutHOSuccessOPSInterRATSRHOPSInterRAT out

l PS Inter-RAT Handover Execution Success Rate (WCDMA to GSM)

[ Counters

− PSInterRATHOAttempt:

VS.IRATHO.AttPSOutUTRAN.RNC (RNC)

IRATHO.AttOutPSUTRAN (Cell)

− PSInterRATHOSuccess:

VS.IRATHO.SuccPSOutUTRAN.RNC (RNC)

IRATHO.SuccOutPSUTRAN (Cell)

HSDPA Handover KPI

l HS-DSCH Service Cell Change Success Rate with SHO

[Formula

[Measurement scope:

− Cell

[Description

− This KPI can be used to evaluate the soft handover success Rate of HSDPA service in a cell.

%100×=empNumHtoHSHOAttcessNumHtoHSHOSuccessRatioHtoHSHOSuc

HSDPA Handover KPI

[Counters

− HtoHSHOAttempNum: VS.HSDPA.CellChg.AttOutIntraRNC

[Measurement point:

− The measurement is triggered at point A as shown in the figure when the RNC

sends a PHYSICAL CHANNLE RECONFIGRATION message to a UE for HSDPA serving cell change between two intra-frequency cells.

− RNC measures this item in the original cell

HSDPA Handover KPI

[Counters

− HtoHSHOSuccessNum: VS.HSDPA.CellChg.SuccOutIntraRNC

[Measurement point:

− The measurement is triggered at point B as shown in the figure when the RNC

receives from a UE a PHYSICAL CHANNLE RECFG COMPLETE message

− RNC measures this item in the original cell

HSDPA Handover KPI

l Inter-frequency Hard Handover Success Rate (HSDPA to HSDPA)

[Formula

[Measurement scope:

− RNC

[Description

− This KPI can be used to evaluate the inter-frequency hard handover success Rate of HSDPA service in a cell

%100×=mHOAttempNuHtoHInterH

umHOSuccessNHtoHInterHatioHOSuccessRHtoHInterH

HSDPA Handover KPI

[Counters

− HtoHInterHHOAttemptNum:

VS.HSDPA.HHO.AttOutIntraRNCInterFreq

[ Measurement point:

− The measurement is triggered at point A as shown in the figure.

− When the RNC sends a PHYSICAL CHANNLE RECONFIGRATION message to a UE for an inter-frequency hard handover from HS-DSCH to HS-DSCH, the RNC measures this item in the original cell.

HSDPA Handover KPI

[Counters

− HtoHInterHHOSuccessNum:

VS.HSDPA.HHO.SuccOutIntraRNCInterFreq

[Measurement point:

− The measurement is triggered at point B as shown in the figure.

− When the RNC receives from a UE a PHYSICAL CHANNLE RECFG COMPLETE message indicating that the handover is an inter-frequency hard handover from HS-DSCH to HS-DSCH, the RNC measures this item in the original cell

HSDPA Handover KPI

l Channel Handover Success Rate（HSDPA to DCH）

[Formula

[Measurement scope:

− Cell

[Description

− This KPI can be used to evaluate the channel handover success Rate when UE handover from HSDPA to DCH in a cell.

%100×=mpNumHtoRHOAtteessNumHtoRHOSuccessRatioHtoRHOSucc

HSDPA Handover KPI

[Counters

− HtoRHOAttempNum:

VS.HSDPA.ChR.HSDSCHtoDCH.Att

[Measurement point:

− The measurement is triggered at point A as shown in the figure

− the RNC measures this item in the serving cell when sending a RADIO BEARER RECONFIGURATION message to a UE during a DCCC or RAB MODIFY procedure

− Note : the Transport channels change at the same cell

HSDPA Handover KPI

[Counters

− HtoRHOSuccessNum:

VS.HSDPA.ChR.HSDSCHtoDCH

[Measurement point:

− The measurement is triggered at point A1 as shown in the figure

− When the RNC receives RADIO BEARER RECONFIGURATION COMPLETE message from UE, which indicates a handover from HSDSCH to DCH during a DCCC or RAB MODIFY procedure, the RNC measures this item in a HSDPA cell the UE camps on

HSDPA Handover KPI

l Channel Handover Success Rate（DCH to HSDPA）

[Formula

[Measurement scope:

− Cell

[Description

− This KPI can be used to evaluate the channel handover success Rate when UE handover from DCH to HSDPA in a cell.

%100×=mpNumRtoHHOAtteessNumRtoHHOSuccessRatioRtoHHOSucc

HSDPA Handover KPI

[Counters

− RtoHHOAttempNum:

VS.HSDPA.ChR.DCHtoHSDSCH.Att

[Measurement point:

− The measurement is triggered at point A as shown in the figure.

− When sending a RADIO BEARER RECONFIGURATION message to a UE during a DCCC or RAB MODIFY procedure , the RNC measures this item in the serving cell of the HSDPA service based on the transport channels the UE occupies before and after the reconfiguration.

HSDPA Handover KPI

[Counters

− RtoHHOSuccessNum:

VS.HSDPA.ChR.DCHtoHSDSCH

[Measurement point:

− The measurement is triggered at point A1 as shown in the figure

− When receiving RADIO BEARER RECONFIGURATION COMPLETE message from UE, which indicating a handover from DCH to HSDSCH during a DCCC or RAB MODIFY procedure at the same cell, RNC measures this item in a HSDPA cell the UE camps on.

HSDPA Handover KPI

l HSDPA Inter-RAT Handover Success Rate (WCDMA to GPRS )

[Formula

[Measurement scope:

− Cell

[Description

− This KPI can be used to evaluate the HSDPA inter-RAT handover success Rate in one cell, from WCDMA to GPRS

%100_ ×=ptRATHOAttemHSDPAInterssRATHOSucceHSDPAInterSRRATHOHSDPAInter

HSDPA Handover KPI

[ Counters

− HSDPAInterRATHOAttempt:

VS.IRATHO.HSDPA.AttOutPSUTRAN

[Measurement point:

− The measurement is triggered at point B as shown in the figure

− When RNC sends the CELL CHANGE ORDER FROM UTRAN message to UE dut to HSDPA inter-RAT outgoing handover, the measurement is triggered in the original cell

HSDPA Handover KPI

[ Counters

− HSDPAInterRATHOSuccess:

VS.IRATHO.HSDPA.SuccOutPSUTRAN

[Measurement point:

− The measurement is triggered at point D as shown in the figure

− When RNC sends Iu Release Complete to CN due to HSDPA handover, the measurement is triggered in the original cell.

Other Mobility KPI

l Numbers of Soft Handovers Decided for Different Traffic Classes (Cell)[ VS.SHO.service.AttOut, VS.SHO.service.SuccOut

[ Notes: Service could be AMR, CS64, PS64, PS128, PS144, PS384

l Number of SHO Event Measurement Reports (Cell)[ VS.RRC.MrRpt.1x

[ VS.RRC.MrRpt.1A. Detect

[ Notes:1x could be 1A, 1B, 1C or 1D

l Numbers of Requested Outgoing Hard Handovers by Different Traffic Classes (Cell)[ VS.HHO.service.AttOut, VS.HHO.service.SuccOut

[ Notes: Service could be AMR, CS64, PS64, PS128, PS144, PS384

Other related CountersOther related Counters

Summary

l This slide introduces WCDMA mobility KPI and related counters:

[Soft handover counter and KPI

[Hard handover counter and KPI

[ Inter-RAT handover counter and KPI

[HSDPA handover counter and KPI

SummarySummary

Thank youwww.huawei.com

10 wcdma radio network mobility counter and kpi

soft handover sho

hard handover counter

hsdpa handover counter

wcdam handover

kpirat handover counter

interrat handover counter

hsdpa cells handover

soft ues

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