Technical data

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.