the combined effect of signal strength and background traffic load on speech quality in ieee 802.11 wlan

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ID: 130119
2011
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Ranked #16 of 100 articles by views in molecular therapy : the journal of the american society of gene therapy

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Abstract
This paper deals with measurements of the combined effect of signal strength and background traffic load on speech quality in IEEE 802.11 WLAN. The ITU-T G.729AB encoding scheme is deployed in this study and the Distributed Internet Traffic Generator (D-ITG) is used for the purpose of background traffic generation. The speech quality and background traffic load are assessed by means of the accomplished PESQ algorithm and Wireshark network analyzer, respectively. The results show that background traffic load has a bit higher impact on speech quality than signal strength when both effects are available together. Moreover, background traffic load also partially masks the impact of signal strength. The reasons for those findings are particularly discussed. The results also suggest some implications for designers of wireless networks providing VoIP service.
Reference Key
pocta2011radioengineeringthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;P. Pocta
Journal molecular therapy : the journal of the american society of gene therapy
Year 2011
DOI
DOI not found
URL
www.radioeng.cz/fulltexts/2011/11_01_174_178.pdf
Keywords
electronics nuclear engineering

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