GSM-P&O_II_02_200909 GSM Radio Network Test and Evaluation

ZTE UniversityGSM BSS Team

Objective

At the end of this course, you will be able to:

Learn and master the method to evaluate GSM network coverage quality by drive test and call test.

Learn and master the method of Call Quality Test (CQT)

Learn and master the method of Drive Test (DT) Learn and master the method of test result

analysis

Content

Chap.1: Overview Chap.2: Network Evaluation Test Chap.3: Test Result Analysis

This chapter describes basic concept, necessity, and

meaning of network evaluation.

Chap.1: Overview

What is network evaluation

Necessity of Network Evaluation

Possible issues in the network

Meaning of Network Evaluation

Flow and method of evaluation test Compiling evaluation test scheme Call Quality Test (CQT) Drive Test (DT)

Chap.2: Network Evaluation Test

This chapter describes 2 common network evaluation test methods and steps.

Chap.2: Network Evaluation Test

Flow and method of evaluation testWorkflow for Radio Network Evaluation

OutputProject Manager

Equipment Engineer Test Engineer Optimization

EngineerCustomer

Yes

Plan for network evaluation project

Compile network

evaluation report

Project summary

End

Pass or not

Equipment Inspection

Network relevant

information

Data analysis for

network evaluation

Data collection

Preparation

Start

Project summary report

Network evaluation report

否

Review network

evaluation report

Whether data are complete

否

Chap.2: Network Evaluation Test

Compiling evaluation test scheme

Prepare test tools and software Basic parameter preparation for network Network scale arrangement Collect other data Compile plan for network evaluation project Data collection Analysis and evaluation of network evaluation test Comprehensive network score

Chap.2: Network Evaluation Test

Call Quality Test (CQT)

Basic Concepts about CQT CQT Types Speech Service CQT Test CQT test for Data service

Chap.2: Network Evaluation Test

Drive Test (DT)

System Functions for Drive Test Common drive test equipment Speech Service DT Test Data service DT test

Chap.3: Test Result Analysis

Network Performance Indicator Voice DT Test in Urban Areas DT Test on Highway DT Test on Railway Voice CQT Test in Urban Areas Fixed-Point Data Service Test Data Service DT Test Case study

This chapter describes the basic method to analyze test result.

Chap.3: Test Result Analysis

Call connection rate of radio system Traffic call drop rate Proportion of the worst cell Call drop rate Available rate of speech channel

Network Performance Indicator

Chap.3: Test Result Analysis

In the section below in this chapter, it describes specific test specifications and test indexes in detail, and introduces the specific case study in the final section.