huawei wcdma radio network mobility counter and kpi

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WCDMA Mobility Counter System and KPIISSUE 1.0www.huawei.com

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

WCDAM handover can be divided into different categories. Different counters and KPI are used for different handover.

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

Page 2

Upon completion of this course, you will be able to: Know different handover counter system Know different handover KPI

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

Page 3

Mobility Counter and KPI SystemSoft handoverSofter handover

Hard handoverInter-frequency hard handover Intra-frequency hard handover

Inter RAT handoverInter-RAT CS handover Inter-RAT PS handover

HSDPA handoverHandover between HSDPA cells Handover between HSDPA and DCHHUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

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Chapter 1 Soft Handover Counter and KPI Chapter 2 Hard Handover Counter and KPI Chapter 3 Inter-RAT Handover Counter and KPI Chapter 4 HSDPA Handover Counter and KPI

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

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Soft Handover Counter SystemSoft handover procedure

Measurement report: 1A, 1B,1C, 1D Active set update & Active set update complete: 1A, 1B,1C

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HUAWEI Confidential

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Soft Handover Counter SystemSoft 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

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HUAWEI Confidential

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Soft Handover Counter SystemSoft 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 VS.SHO.AMR.SuccOut VS.SHO.CS64.SuccOut VS.SHO.PS64.SuccOut VS.SHO.PS128.SuccOut VS.SHO.PS384.SuccOut

RL Additions or deletions for Soft Handover SHO.AttRLAddUESide at point B SHO.AttRLDelUESide at point B SHO.SuccRLAddUESide at point C SHO.SuccRLDelUESide at point C

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Page 8

Soft Handover Counter SystemSoft handover (Cell)Other related counters: SHO.FailRLAddUESide.NoReply

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Page 9

Soft Handover KPISoft Handover Success Rate Formula

SHOASUSuccess SHO _ SR = *100% SHOASUAttempt

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.

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

Page 10

Soft Handover KPISoft Handover Success RateCounters (RNC) SHOASUAttempt: VS.SHO.Att.RNC SHOASUSuccess: VS.SHO.Succ Counters (Cell) SHOASUAttempt: SHO.AttRLAddUESide SHO.AttRLDelUESide SHOASUSuccess: SHO.SuccRLAddUESide SHO.SuccRLDelUESide

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Soft Handover KPIAverage Active Set Size Formula

UE1 *1 + UE 2 * 2 + UE 3 * 3 SHR = *100% UE

Measurement scope: RNC Description This KPI can be used to evaluate the soft handover percentage

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HUAWEI Confidential

Page 12

Soft Handover KPIAverage Active SizeCounters 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.

HUAWEI Confidential

Page 13

Chapter 1 Soft Handover Counter and KPI Chapter 2 Hard Handover Counter and KPI Chapter 3 Inter-RAT Handover Counter and KPI Chapter 4 HSDPA Handover Counter and KPI

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

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Hard Handover Counter SystemHard handover procedure

Inter-frequency hard handover Intra-frequency hard handover

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Inter-frequency Hard Handover Counter SystemInter-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

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 Confidential

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Inter-frequency Hard Handover Counter SystemInter-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.

HUAWEI Confidential

Page 17

Inter-frequency Hard Handover Counter SystemInter-frequency Hard handover Failure Analysis (Cell)VS.HHO.InterFreqOut.NoReply

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

Page 18

Inter-frequency Hard Handover Counter SystemInter-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.

HUAWEI Confidential

Page 19

Hard Handover Counter SystemHard handover (RNC)Hard Handover Requests: VS.HHO.Att.RNC at point B Successful Hard Handovers: VS.HHO.Succ.RNC at point C

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 Confidential

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Inter-frequency hard handover KPIInter-frequency Hard Handover Success Rate FormulaInterHHO _ SR = InterHHOSuccess 100% InterHHOAttempt

Measurement scope: RNC & Cell Description This KPI can be used to evaluate the inter-frequency hard handover success Rate in one RNC.

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

Page 21

Inter-frequency hard handover KPIInter-frequency Hard Handover Success RateCounters (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

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

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Chapter 1 Soft Handover Counter and KPI Chapter 2 Hard Handover Counter and KPI Chapter 3 Inter-RAT Handover Counter and KPI Chapter 4 HSDPA Handover Counter and KPI

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

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Inter-RAT Handover Counter SystemCS Inter-RAT handover procedureCS 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

HUAWEI TECHNOLOGIES CO., LTD.

HUAWEI Confidential

Page 24

Inter-RAT Handover Counter SystemCS 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

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.

HUAWEI Confidential

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Inter-RAT Handover Counter SystemCS Inter-RAT handover preparation failure (RNC) is due toNo 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 Confidential

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Inter-RAT Handover Counter SystemCS Inter-RAT handover execution failure is due toConfiguration Unsupported : VS.IRATHO.FailCSOut.CfgUnRNC (RNC) IRATHO.FailOutCS.CfgUnsupp (Cell)

Physical Channel Failure : VS.IRATHO.FailCSOut.PhyFaRNC (RNC) IRATHO.FailOutCS.PhyChFail (Cell)

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HUAWEI Confidential

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Inter-RAT Handover Counter SystemPS Inter-RAT handover procedurePS 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 Confidential

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Inter-RAT Handover Counter SystemPS 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