Mobile World Congress, Barcelona 2016 — The R&S CMW500 wideband radio communication tester has a new option to support the EVS codec. EVS, which was specifically designed for broadband voice calls in mobile communications systems such as LTE, noticeably improves the audio quality of phone calls. In Barcelona, Rohde & Schwarz demonstrates a test solution based on the R&S CMW500 and the R&S UPV audio analyzer.
The R&S CMW500 emulates an LTE network while the R&S UPV uses objective criteria to analyze the audio and voice quality of the mobile device's EVS-based VoLTE services. The measurements are based on the mean opinion score (MOS) method using the standardized perceptual objective listening quality analysis (POLQA) algorithm. The R&S CMW500 offers users such as network operators and mobile device manufacturers a fully integrated, user-friendly IMS test environment that can be used to quickly and easily test VoLTE EVS calls and other IMS functions on mobile devices. Ultimately, users can ensure the voice quality of mobile devices, and thus the user experience and quality of service (QoS).
Rohde & Schwarz will present its test setup for analyzing VoLTE enhanced voice services at Mobile World Congress in hall 6, booth C40. The R&S CMW-KS104 codec for enhanced voice services option for the R&S CMW500 wideband radio communication tester is now available for ordering. To use this option, the R&S CMW500 must be equipped with an integrated data application unit, an audio board and the IMS server option.
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Rohde & Schwarz
The Rohde & Schwarz electronics group offers innovative solutions in the following business fields: test and measurement, broadcast and media, cybersecurity, secure communications, radiomonitoring and radiolocation. Founded more than 80 years ago, this independent company has an extensive sales and service network and is present in more than 70 countries. The electronics group is among the world market leaders in its established business fields. On June 30, 2015, Rohde & Schwarz had approximately 9900 employees. The group achieved a net revenue of EUR 1.83 billion in the 2014/2015 fiscal year (July to June). The company is headquartered in Munich, Germany, and also has strong regional hubs in Asia and the USA.
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