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Agilent Mobile Voice MOS Test Application Getting Started Guide 3

Introduction

The Agilent Drive-Test solution is designed to allow

benchmarking and qualification of voice quality over a

cellular network. The measurement system consists of one

set of equipment in the central office (CO) to process data

for uplink measurement, and a second set of equipment in a

mobile unit for processing downlink measurement. The

information in this guide contains important information

about setting up the system to run measurements.

Features

The Agilent Drive- Test solution has the following features:

• Scalable system capable of measuring up to four channels

• Calls initiated and ended by independent channels

• Measurement of downlink and uplink MOS (Mean Opinion

Score)

• Mobile- originated calls (MOC)

• Mobile terminated calls (MTC)

• Mobile- to- Mobile voice quality testing (M2M)

• Mobile- to- PSTN voice quality testing

• Easily configured call duration

• Supports ITU- T’s P862/P862.1 PESQ/LQO algorithm for

voice quality measurement

• Time-stamped MOS results

System Components

The Agilent Mobile VMT Software solution consists of the

following system components:

• B9990A- 200 Mobile VQT Software, single phone.

• B9990A- 300 Mobile VQT Software, multi- phone upgrade.

• B9990A- 400 Office Unit Voice MOS Test

• PCs (desktop or notebook) for system control and data

mining. One is required in the central office and another

in the mobile van.

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