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VoIP Measurements for WiMAX

Authored on: Dec 21, 2009 by Ottmar Gerlach

Technical Paper / Application Note

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The VoIP (Voice Over IP) protocol is finding its way into nearly all data oriented communication standards such as GSM/EDGE, 1xEVDO, HSPA+ and WiMAX and will replace the traditional speech oriented standards in the future. This application note shows how easy an audio test system for WiMAX mobile equipment is configured with a R&S CMW270 WiMAX Communication Tester and R&S UPV Audio Tester. The described tests comprise Perceptual Evaluation of Speech Quality (PESQ) measurement according to recommendation ITU-T P.862 and several typical mobile audio tests such as frequency response and distortion measurements provided by the R&S UPV-K9/K91 UMTS/GSM Mobile Phone Test option which also applies for WiMAX.

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