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Descripción
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| Although networks based on IEEE802.11 was originally intended to transport best-effort data traffic, the appearance of IEEE802.11e has brought about the opportunity of supplying real time voice communications with strict requirements of quality of service. In WLAN IEEE802.11 networks, the handover process follow a ¿break-before-make¿ mechanism, provoking discontinuities in the communication, which have associated a variation of the packet loss rate, and, therefore, changes in the subjective quality of voice perceived by the user along the communication. It will be necessary to take into account this effect in the planning and sizing process of WLAN networks which have to deal with conversational services. With this purpose, in this paper is illustrated the influence of the horizontal handover events on the evolution of the MOS value for different VoIP codecs and several handover decision algorithms and durations. | |
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Internacional
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Si |
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Nombre congreso
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IEEE Radio and Wireless Symposium 2009 |
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Tipo de participación
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960 |
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Lugar del congreso
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San Diego, California. EEUU |
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Revisores
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Si |
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ISBN o ISSN
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978-1-4244-2699-7 |
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DOI
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10.1109/RWS.2009.4957322 |
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Fecha inicio congreso
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18/01/2009 |
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Fecha fin congreso
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22/01/2009 |
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Desde la página
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207 |
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Hasta la página
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210 |
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Título de las actas
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Proceedings of the IEEE Radio and Wireless Symposium 2009 |