User's Manual Part 2

Nomad User’s Manual Chapter 9 – Voice Quality Configuration Options

 If testing is performed using Spirent HD ME hardware, make sure the proper Audio

interface (High definition or Narrowband) is selected.

 Establish a call between the handset and the base station simulator.

 Start a new test.

 The test sequence starts with the handset sourcing data to the base station simulator. Data

collected at the simulator will be replayed in the Channel 2 area of the Nomad interface.

 In the next cycle, the simulator will source data to the handset. Data collected by the

handset will be replayed in the Channel 1 area of the Nomad interface. This pattern

continues throughout the duration of the test.

Figure 9-8 - Base Station Simulator Testing

 During testing, adjust Channel 1 volume using the Settings → Levels dialog. Adjust the

Channel 1 Input level for optimal MOS performance of the Channel 1 (handset) waveform.

Adjust the Channel 1 Output level for optimal MOS performance of the Channel 2

(simulator) waveform.

 End the test when desired.

In the formatted Nomad output report generated with base station simulator test data, find results

for audio received at the handset in the Channel 1 – DL area. Find results for audio received at the

simulator in the Channel 1 – UL area.