Owj200101 Wcdma Utran Optimization Flow

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    Huawei Confidential. All Rights Reserved

    WCDMA UTRAN Optimization Flow

    ISSUE 1.0

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    Internal Use 1

    WCDMA optimization is very

    important part in the life of the

    network. Mainly, the optimization

    contents the preparation, single

    site verification, RF optimization,parameters optimization.

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    Internal Use 2

    Chapter 1 Introduction of Optimization Flow

    Chapter 2 The preparation for the Optimization Project

    Chapter 3 Single Site Verification

    Chapter 4 RF Optimization

    Chapter 5 Parameters Optimization

    Chapter 6 Optimiztion Report

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    Internal Use 3

    Introduction of Optimization Flow

    Roles and Responsibility

    The Working Flow

    Document output

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    Internal Use 4

    Chapter 1 Introduction of Optimization Flow

    Chapter 2The Preparation for the Optimization Project

    Chapter 3 Single Site Verification

    Chapter 4 RF Optimization

    Chapter 5 Parameters Optimization

    Chapter 6 Optimiztion Report

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    Internal Use 5

    The Preparation for Projection

    Getting the Network Information

    Environment Partition and Optimization Group

    Optimization Tools and Software

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    The Preparation for Projection

    Getting the Network Information

    The radio network planning report

    The radio network optimization report (optional)

    The parameters tables about UTRAN

    The statistic data and the information reflected by users

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    The Preparation for Projection

    Optimization tools and Optimization software

    Optimization tools

    UMTS scanner (DTI)

    UMTS test UE

    Digital camera, GPS, Compass

    YBT250 to position interference Optimization software

    Probe

    Assistant

    Traffic statistic data analysis

    Mapinfo

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    Chapter 1 Introduction of Optimization Flow

    Chapter 2 The preparation for the Optimization Project

    Chapter 3Single Site Verification

    Chapter 4 RF Optimization

    Chapter 5 Parameters Optimization

    Chapter 6 Optimiztion Report

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    Single Site Verification

    Preparation

    Checking Warning Checking the state of cell

    Checking the parameters of radio access network

    Checking the configuration: scrambling code, power

    configuration, neighbor cell table, handover parameters

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    Single Site Verification

    Site verification Checking the service function of each site

    Signal strength

    Feeder

    Jumper

    LA/RA update

    PS attach PS attach

    PS detach

    The voice call setup

    PDP active Intra-frequency handover

    Inter-system handover

    Inter-system cell-reselection.

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    Chapter 1 Introduction of Optimization Flow

    Chapter 2 The preparation for the Optimization Project

    Chapter 3 Single Site Verification

    Chapter 4RF Optimization

    Chapter 5 Parameters Optimization

    Chapter 6 Optimiztion Report

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    RF Optimization

    Purpose Optimize CPICH, services coverage and best server

    Decrease the interference at the minimum level

    Decrease the pilot pollution at the minimum level

    Optimize neighbor cells table

    Solve the call drop caused by RF

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    RF Optimization

    Drive test

    PreparationTools

    Map

    Parameters

    Car, human resource

    Data analysis

    Poor coverage

    Best Server

    Pilot pollution

    Neighbor cells tableInterference

    Call drop caused by RF

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    RF Optimization

    HUAWEI Recommendation

    Operator Planning

    Department

    Operator OMC Department

    Operator & HUAWEI OMC

    Engineer modify the parameter

    OMC change form, signed by SE

    Description & Reason

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    Chapter 1 Introduction of Optimization Flow

    Chapter 2 The preparation for the Optimization Project

    Chapter 3 Single Site Verification

    Chapter 4 RF Optimization

    Chapter 5Parameters Optimization

    Chapter 6 Optimiztion Report

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    Parameters Optimization

    Purpose of parameters optimization

    Drive test

    Drive test for special area

    Statistic analysis

    Conclusion

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    Purpose of Parameters Optimization

    The tools and data for analysis:

    scanner and UE

    RNC record data

    Statistic tools and KPI

    MSC & SGSN record if necessary

    Purpose of parameters optimization

    Decrease the access success rate Decrease the call drop

    Increase the quality of service

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    Drive test

    The contents of drive test

    The call setup test for voice service The continuous call test for voice service

    Idle mode test

    The call setup test for video phone service

    The continuous call test for voice service

    The call setup test for PS service

    The continuous call test for PS service

    The test should be performed repeatedly to the position withproblems to make sure that the problem is repeatable

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    Drive Test Data Analysis

    Drive Test Data Analysis

    Analyzing and finding out the solution for access failure(system bugs, power control parameter, cell selection

    and reselection parameter etc.)

    Analyzing and finding out the solution for drop call

    (system bugs, power control parameter, handover

    parameter etc.) Analyzing and finding out the solution for service quality

    related problems (system bugs, power control parameter,

    RLC parameter etc.)

    Adj t t R d ti d

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    Adjustment Recommendation and

    Implementation

    Adjustment Recommendation and Implementation Common Control Channel Power Allocation parameters

    RL Maximum Power parameters

    Intra-frequency Handover parameters

    Inter-frequency Handover parameters

    Inter-RAT Handover parameters Power Control parameters

    Access parameters

    Other related parameters

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    Internal Use 21

    Test for Special Areas

    Special area refers to a small district or indoors

    environment Operator offices, residence of VIP

    Key hotels or entertainment location

    Government location

    Locations of large company or group subscribers

    Locations tend to be cared , such as railway station or

    airport

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    Internal Use 22

    Chapter 1 Introduction of Optimization Flow

    Chapter 2 The Preparation for the Optimization Project

    Chapter 3 Single Site Verification

    Chapter 4 RF Optimization

    Chapter 5 Parameters Optimization

    Chapter 6Optimiztion Report

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    Internal Use 23

    Optimization Report

    The optimization report should be presented after

    the project passes the customer acceptance. Theoptimization report should include:

    Project background introduction

    Existing network status

    Acceptance criteria

    Optimization process

    Problem analysis and adjustment recommendation, and the

    effect for the implemented part

    Acceptance test and result

    Leftover problems and suggestions from the optimization pointof view.

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    Huawei Confidential. All Rights Reserved