GSM Single Site Verification

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential

Security Level: Internal

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www.huawei.com

Single Site Verification

Alex

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Agenda

• Introduction

• SSV Audit

• SSV DT Test

• SSV Report

• SSV Trouble shooting

HUAWEI TECHNOLOGIES CO., LTD. Page 3Huawei Confidential

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Project Start

Nominal Plan

Detail Plan

70% Cluster Optimization

90%Cluster Optimization

Acceptance

Report

Project End

Introduction

Project Start

Nominal Plan

Detail Plan

SSVCluster Optimization

Acceptance

Report

Project End

Single Site On-Air Mode

Cluster On-Air Mode





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Work flowStart

SITE Audit

SSV Report and Analysis

Problem Found

Tuning Proposal

Approved

TuningImplementation

SSV Report

SSV Problem Record

End

N

N

Y

Y

SSV DT

SSV is to solve

• Basic Functions

• Coverage

• Rx Quality

• Interference

• Abnormal Events





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SSV Tools

• M2000• LMT&MML• Probe & Assistant• TEMS & MapInfo• NASTAR• U-Net

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Agenda

• Introduction

• SSV Audit

• SSV DT Test

• SSV Report






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SSV Audit

• From BSS Part Single Site Test Record from BSS engineer Site Activated All Cell/TRX/Channels Un-locked Idle Timeslot Test is closed No Alarm may influence SSV Test

• From Data Configuration Engineer Parameter Audit Neighbor Setting Audit Optimization Parameter Audit

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Agenda

• Introduction

• SSV Audit

• SSV DT Test

• SSV Report






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SSV DT Overview

• Establish DT Methodology Tool Setup: Tool, Digital Map, FTP Server, APN, SIM Test Method: Idle, Long Call, Short Call, PS Special requirement: Locking BCCH or not. DT Route Planning SSV Report Template

• Carry out SSV DT Before DT Test During DT Test After DT Test





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SSV DT Methodology(0)

• Special Requirement Indoor Test or Outdoor Test Locking BCCH or not Forbid HO or not …





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SSV DT Methodology(1)• Test Method

Idle RxLev Full on BCCH, Cell

Reselection, Cell Identity

Long Call RxLev, RxQual, TA on dedicated

mode Retainability(Call drop,

Handover)

Short Call RxLev, RxQual, TA on dedicated

mode Accessibility(CSSR, Call Drop,

Handover)

PS GPRS/EDGE function Throughput of APP Layer





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• SSV DT Route Principles for Test route for SSV be defined together with

customer The test routes should cover all sectors of each sites, main road

and important areas

A

BC

A3

B3C3

A1

B1C1

A2

B2

C2





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• A proposed DT Route Definition Principle

Suburban/Highway Site Urban Site:





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• PS Test The setting of Mobile: APN SIM card information Selecting Test Item according to Customer Requirement

Attach/Detach PDP WAP/ HTTP FTP MMS

FTP Server Download/ Upload file size

CQT: DL ≥ 500 KB / UL: 100KB DT: DL 100KB / UL: 20KB





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Carry out SSV DT • Before DT Test

Driver test system connection Positions of the Test MS and Antenna Import: digital map, engineering table and test route GPS plot. Communicate with driver: driving route and speed. The log-files should not be too long, preferably less than 20 minute. The log-files should be named properly.

• During DT test Monitor the DT real results: Call setup, HO, Call drop, RxLev, RxQual, C/I Analyze as much as possible. Ask driver to stop when abnormal Pay attention to: bad quality, possible interfering sites, and topography and

site locations Correct small problems discovered immediately

• After DT Test DT log files and DT problem records.

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Agenda

• Introduction

• SSV Audit

• SSV DT Test

• SSV Report






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SSV Report

• SSV report template

What is the usage for CI plot? What is the usage for BCCH plot? What is the usage for RxLev plot? What is the uasge for RxQual plot?

Single Site Test Report Template

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Agenda

• Introduction

• SSV Audit

• SSV DT Test

• SSV Report






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SSV Trouble Shooting

• Basic Verification• RxLev Verification• RxQual Verification• Event: CSSR, Handover, Call Drop• GRPS/EDGE





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Basic Verification

• To check basic parameters: LAC,CI,BCCH, BSIC, MA, MAIO• To check downlink coverage

Reverse connection of the

BCCH Tx

Normal cell





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RxLev Verification

• Check whether the receive level of the BCCH and TCH are greater than the predefined threshold and are stable.





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RxQual Verification

RxQuality 0 1 2 3 4 5 6 7

Non-FH Good Good Good Good Fair Fair Poor Poor

FH Good Good Good Good Good Fair Poor Poor





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Event-Access Failure





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Event-Call Drop





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Event- Handover

Thank youwww.huawei.com

Documents

GSM Single Site Verification