9.WCDMA P&O a en Handover Control 201012

7/27/2019 9.WCDMA P&O a en Handover Control 201012

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Handover control feature


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Intra-frequency handover

Function Introduction

Measurement ControlRelated Events

Event Handling

Case Study


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Time-To-Trigger

Reportingevent 1A

Measurementquantity

Time

TrigTime[MAX_INTRA_MEAS_EVENT]

P CPICH 1RptRange

[MAX_INTRA_MEAS_EVENT]

P CPICH 2

P CPICH 3


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Event Handling

Case Study


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Inter-frequency handover



Event Handling

Case Study


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Measurement Control

When to set up inter-frequency Measurement?

When to modify inter-frequency Measurement?

When to delete inter-frequency Measurement?


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The inter-frequency configuration index


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Event Handling

Case Study


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Event Handling

Event 2A/2B/2C

Event 2Dz Compressed mode

z Configure MC of 2A/2B/2C/2E

Event 2E: attempt to Inter-RAT handover

Event 2Fz Close compressed mode

z Disable inter-freq MC


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Inter-Frequency Handover Sample

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Inter-RAT handover

Measurement Control

Related EventsEvent Handling

Case Study


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Measurement Control

When to set up inter-RAT Measurement?

When to modify inter-RAT Measurement?

When to delete inter-RAT Measurement?


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The inter-RAT configuration index


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Configuration Parameter


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Measurement configuration index: 7


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Inter-RAT Handover Parameter Summary

Parameter Name Default Value TRUE Value

Time To Trigger 3A 100ms 100ms

Time To Trigger 3B 100ms 100ms

Time To Trigger 3C 100ms 100ms

UTRAN Filter Coefficient(Rat) 3 3

GSM Filter Coefficient(Rat) 3 3

GSM BSIC Verification Required Indicatior Required Required

UTRAN Quality Estimation Reporting Indicator Not Report Not Report

GSM Carrier RSSI Reporting Indicator Report Report

Cell individual offset(gsmRelation) 0db 0db

UTRAN Measurement Quantity for Inter-frequencyand Inter-RAT Measurements

RSCP RSCP

Share Cover Indication Neighbor Neighbor


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Inter-RAT Handover Sample2

58

Ec_f1

GSM

Ec_f2

2D t2F 2D

2

F

2E 3A

2

D

2

E

3A(

G)

RSCP

3A(

W)


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Content


Inter-frequency handoverInter-RAT handover

HSDPA handover

HSUPA handover


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Function description

For HSDPA in some cases there is handoverassociated with channel switch


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I f h d


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HS-DSCH/E-DCH->DCH/DCH

DCH/DCH->HS-DSCH/E-DCH

HS-DSCH/E-DCH->HS-DSCH/E-DCH HS-DSCH/E-DCH->HS-DSCH/DCH

HS-DSCH/DCH->HS-DSCH/E-DCH

9.WCDMA P&O a en Handover Control 201012

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