System First To Test Audio Quality In VoLTE Designs

Nov. 11, 2011
Combining the CMW500 wideband radio communication tester that emulates an LTE network and the UPV Audio Analyzer forms what Rohde & Schwarz calls the world’s first Voice over LTE (VoLTE) test system for audio quality measurements.

Combining the CMW500 wideband radio communication tester that emulates an LTE network and the UPV Audio Analyzer forms what Rohde & Schwarz calls the world’s first Voice over LTE (VoLTE) test system for audio quality measurements. Users can perform audio quality measurements based on PESQ1 during an active IMS voice call on the simulated LTE network.  According to Anton Messmer, Director of Subdivision Mobile Radio Tester at Rohde & Schwarz, “We have successfully delivered the only test solution that can set up a VoLTE call and actually measure the voice quality. With the combination of the R&S UPV Audio Analyzer and R&S CMW500 Wideband Radio Communication Tester, network operators can pre-test VoLTE-capable devices and build confidence in performance before taking this important step in their LTE deployments. ROHDE & SCHWARZ INC., Columbia, MD. (888) 837-8772.

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