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dc.contributor.authorSung, Ya-Chinen_US
dc.contributor.authorLin, Yi-Bingen_US
dc.contributor.authorLiou, Ren-Huangen_US
dc.contributor.authorShieh, Lon-Fonen_US
dc.date.accessioned2014-12-08T15:21:54Z-
dc.date.available2014-12-08T15:21:54Z-
dc.date.issued2012-03-01en_US
dc.identifier.issn1530-8669en_US
dc.identifier.urihttp://dx.doi.org/10.1002/wcm.963en_US
dc.identifier.urihttp://hdl.handle.net/11536/15596-
dc.description.abstractVoice over IP (VoIP) is a promising low-cost voice communication over the wireless IP network. To provide satisfactory VoIP services, the Quality of Service (QoS) of the wireless network should be guaranteed. This paper proposes a VoIP performance measurement freeware called NCTU VoIP Testing Tool (NCTU-VT). We compare NCTU-VT with two commercial tools SmartVoIPQoS and IxChariot in terms of packet loss, latency, and Mean Opinion Score (MOS) of the VoIP sessions in Wi-Fi network. Our study indicates that these three tools can accurately measure VoIP performance in Wi-Fi environment. Copyright (c) 2010 John Wiley & Sons, Ltd.en_US
dc.language.isoen_USen_US
dc.subjectmean opinion scoreen_US
dc.subjectperformance measurementen_US
dc.subjectquality of serviceen_US
dc.subjectvoice over IPen_US
dc.titleNCTU-VT: a freeware for wireless VoIP performance measurementen_US
dc.typeArticleen_US
dc.identifier.doi10.1002/wcm.963en_US
dc.identifier.journalWIRELESS COMMUNICATIONS & MOBILE COMPUTINGen_US
dc.citation.volume12en_US
dc.citation.issue4en_US
dc.citation.spage318en_US
dc.citation.epage324en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000300689400003-
dc.citation.woscount0-
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