10 WCDMA Radio Network Mobility Counter and KPI
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Transcript of 10 WCDMA Radio Network Mobility Counter and KPI
1
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.
2
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
3
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
4
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
5
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 =
6
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
7
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
8
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
9
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
10
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
11
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
12
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
13
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
14
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
15
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
16
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
17
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)
18
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)
19
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
20
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)
21
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
22
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
23
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.
24
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
25
HUAWEI TECHNOLOGIES CO., LTD. Page 49HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 50HUAWEI Confidential
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
26
HUAWEI TECHNOLOGIES CO., LTD. Page 51HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 52HUAWEI Confidential
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
27
HUAWEI TECHNOLOGIES CO., LTD. Page 53HUAWEI Confidential
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.
HUAWEI TECHNOLOGIES CO., LTD. Page 54HUAWEI Confidential
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
28
HUAWEI TECHNOLOGIES CO., LTD. Page 55HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 56HUAWEI Confidential
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.
29
HUAWEI TECHNOLOGIES CO., LTD. Page 57HUAWEI Confidential
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
HUAWEI TECHNOLOGIES CO., LTD. Page 58HUAWEI Confidential
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