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On In-service Perceptual Speech Quality Monitoring in Cellular Radio Systems
Ansvarig organisation
2009 (Engelska)Konferensbidrag, Publicerat paper (Refereegranskat) Published
Abstract [en]

A method for in-service monitoring of the end-user perceptual speech quality in cellular radio systems is proposed. This method incorporates the perceptual evaluation of speech quality (PESQ) algorithm to monitor the quality experienced by the end-user. Here, the monitoring is carried out at the transmitting side. In this case, the speech signal received by the end-user is estimated at the transmitter in accordance with a feedback signal. The performance of the proposed scheme has been investigated through extensive simulations for the Universal Mobile Telecommunication System (UMTS) using different speech coding rates and channel conditions. The results indicate that the proposed scheme can predict end-user quality with a root-mean-squared error (RMSE) of at most 0.15 using the mean opinion score (MOS) rating scheme. Such accuracy can be beneficial in applications such as radio resource management for satisfying the desired level of quality of service.

Ort, förlag, år, upplaga, sidor
Prague, Czech Republic: IEEE , 2009.
Nyckelord [en]
PESQ, Quality Monitoring, Cellular Radio Systems
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:bth-8021DOI: 10.1109/WTS.2009.5068971Lokalt ID: oai:bth.se:forskinfoCA96547B595717FAC125760C002534A0ISBN: 978-1-4244-2588-4 (tryckt)OAI: oai:DiVA.org:bth-8021DiVA, id: diva2:835705
Konferens
IEEE Wireless Telecommunications Symposium
Tillgänglig från: 2012-09-18 Skapad: 2009-08-08 Senast uppdaterad: 2015-06-30Bibliografiskt granskad

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Zepernick, Hans-Jürgen

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Zepernick, Hans-Jürgen
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