10 wcdma radio network mobility counter and kpi
DESCRIPTION
WCDMA Radio Network Mobility Counter and KPITRANSCRIPT
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HUAWEI TECHNOLOGIES CO., LTD.
www.huawei.com
HUAWEI Confidential
Security Level:
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.
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HUAWEI TECHNOLOGIES CO., LTD. Page 3HUAWEI Confidential
l Upon completion of this course, you will be able to:
[Know different handover counter system
[Know different handover KPI
HUAWEI TECHNOLOGIES CO., LTD. Page 4HUAWEI Confidential
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 5HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 6HUAWEI Confidential
Soft Handover Counter System
l Soft handover procedure
[ Measurement report: 1A, 1B,1C, 1D
[ Active set update & Active set update complete:
− 1A, 1B,1C
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HUAWEI TECHNOLOGIES CO., LTD. Page 7HUAWEI Confidential
Soft Handover Counter System
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
HUAWEI TECHNOLOGIES CO., LTD. Page 8HUAWEI Confidential
l Soft handover (Cell)
[ Soft handover based on different services
− VS.SHO.AMR.AttOut
− VS.SHO.CS64.AttOut
− VS.SHO.PS64.AttOut
− VS.SHO.PS128.AttOut
− VS.SHO.PS384.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
Soft Handover Counter System
− VS.SHO.AMR.SuccOut
− VS.SHO.CS64.SuccOut
− VS.SHO.PS64.SuccOut
− VS.SHO.PS128.SuccOut
− VS.SHO.PS384.SuccOut
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HUAWEI TECHNOLOGIES CO., LTD. Page 9HUAWEI Confidential
l Soft handover (Cell)
[ Other related counters:
− SHO.FailRLAddUESide.NoReply
Soft Handover Counter System
HUAWEI TECHNOLOGIES CO., LTD. Page 10HUAWEI Confidential
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 =
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HUAWEI TECHNOLOGIES CO., LTD. Page 11HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 12HUAWEI Confidential
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
++
=UE
UEUEUESHR
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HUAWEI TECHNOLOGIES CO., LTD. Page 13HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 14HUAWEI Confidential
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 15HUAWEI Confidential
Hard Handover Counter System
l Hard handover procedure
[ Inter-frequency hard handover
[ Intra-frequency hard handover
HUAWEI TECHNOLOGIES CO., LTD. Page 16HUAWEI Confidential
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 17HUAWEI Confidential
Inter-frequency Hard Handover Counter System
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
HUAWEI TECHNOLOGIES CO., LTD. Page 18HUAWEI Confidential
Inter-frequency Hard Handover Counter System
l Inter-frequency Hard handover Failure Analysis (Cell)[ VS.HHO.InterFreqOut.NoReply
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HUAWEI TECHNOLOGIES CO., LTD. Page 19HUAWEI Confidential
Inter-frequency Hard Handover Counter System
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
HUAWEI TECHNOLOGIES CO., LTD. Page 20HUAWEI Confidential
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.PS128.AttOut
[ VS.HHO.PS384.AttOut
[ VS.HHO.AMR.SuccOut
[ VS.HHO.CS64.SuccOut
[ VS.HHO.PS64.SuccOut
[ VS.HHO.PS128.SuccOut
[ VS.HHO.PS384.SuccOut
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HUAWEI TECHNOLOGIES CO., LTD. Page 21HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 22HUAWEI Confidential
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 23HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 24HUAWEI Confidential
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 25HUAWEI Confidential
Inter-RAT Handover Counter System
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
HUAWEI TECHNOLOGIES CO., LTD. Page 26HUAWEI Confidential
Inter-RAT Handover Counter System
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 27HUAWEI Confidential
Inter-RAT Handover Counter System
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
HUAWEI TECHNOLOGIES CO., LTD. Page 28HUAWEI Confidential
Inter-RAT Handover Counter System
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 29HUAWEI Confidential
Inter-RAT Handover Counter System
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)
HUAWEI TECHNOLOGIES CO., LTD. Page 30HUAWEI Confidential
Inter-RAT Handover Counter System
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 31HUAWEI Confidential
Inter-RAT Handover Counter System
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
HUAWEI TECHNOLOGIES CO., LTD. Page 32HUAWEI Confidential
Inter-RAT Handover Counter System
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 33HUAWEI Confidential
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 =
HUAWEI TECHNOLOGIES CO., LTD. Page 34HUAWEI Confidential
Inter-RAT Handover KPI
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)
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HUAWEI TECHNOLOGIES CO., LTD. Page 35HUAWEI Confidential
Inter-RAT Handover KPI
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 =
HUAWEI TECHNOLOGIES CO., LTD. Page 36HUAWEI Confidential
Inter-RAT Handover KPI
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)
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HUAWEI TECHNOLOGIES CO., LTD. Page 37HUAWEI Confidential
Inter-RAT Handover KPI
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
HUAWEI TECHNOLOGIES CO., LTD. Page 38HUAWEI Confidential
Inter-RAT Handover KPI
l PS Inter-RAT Handover Preparation Success Rate (WCDMA to GSM)
[ Counters
− PSInterRATPpHOAttempt (RNC):
VS.IRATHO.EvalPSOutUTRAN.RNC
− PSInterRATPpHOSuccess (RNC)
VS.IRATHO.AttPSOutUTRAN.RNC
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HUAWEI TECHNOLOGIES CO., LTD. Page 39HUAWEI Confidential
Inter-RAT Handover KPI
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
RNC
%100_ ×=utHOAttemptOPSInterRATutHOSuccessOPSInterRATSRHOPSInterRAT out
HUAWEI TECHNOLOGIES CO., LTD. Page 40HUAWEI Confidential
Inter-RAT Handover KPI
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)
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HUAWEI TECHNOLOGIES CO., LTD. Page 41HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 42HUAWEI Confidential
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
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HUAWEI TECHNOLOGIES CO., LTD. Page 43HUAWEI Confidential
HSDPA Handover KPI
l HS-DSCH Service Cell Change Success Rate with SHO
[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
HUAWEI TECHNOLOGIES CO., LTD. Page 44HUAWEI Confidential
HSDPA Handover KPI
l HS-DSCH Service Cell Change Success Rate with SHO
[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
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HUAWEI TECHNOLOGIES CO., LTD. Page 45HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 46HUAWEI Confidential
HSDPA Handover KPI
l Inter-frequency Hard Handover Success Rate (HSDPA to HSDPA)
[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.
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HUAWEI TECHNOLOGIES CO., LTD. Page 47HUAWEI Confidential
HSDPA Handover KPI
l Inter-frequency Hard Handover Success Rate (HSDPA to HSDPA)
[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
HUAWEI TECHNOLOGIES CO., LTD. Page 48HUAWEI Confidential
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
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HSDPA Handover KPI
l Channel Handover Success Rate(HSDPA to DCH)
[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
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HSDPA Handover KPI
l Channel Handover Success Rate(HSDPA to DCH)
[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
− Note : the Transport channels change at the same cell
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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
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HSDPA Handover KPI
l Channel Handover Success Rate(DCH to HSDPA)
[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.
− Note : the Transport channels change at the same cell
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HSDPA Handover KPI
l Channel Handover Success Rate(DCH to HSDPA)
[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.
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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
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HSDPA Handover KPI
l HSDPA Inter-RAT Handover Success Rate (WCDMA to GPRS )
[ 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
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HSDPA Handover KPI
l HSDPA Inter-RAT Handover Success Rate (WCDMA to GPRS )
[ 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.
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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
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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