Consideration of IP Telephony Quality on the IEEE802.11a Wireless LAN

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  • ＩＥＥＥ８０２．１１ａ無線ＬＡＮ上におけるＩＰ電話品質の考察
  • IEEE802 11a ムセン LAN ジョウ ニ オケル IP デンワ ヒンシツ ノ コウサツ

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Abstract

Recently, IP telephony services in wired network are started, and paid attention for its charge-free nature due to IP technology. On the other hand, the Hot-Spot service, which provides one to access the Internet at the public space such as cafe, using the IEEE wireless LAN has been evolved, and it is expected that the IP telephony service on the Hot-Spot network will be developed. However, the IP telephony quality on the IEEE802.11a wireless LAN has not been fully studied yet. In this paper, we discuss about the quality of IP telephony service on the IEEE802.11a wireless LAN from the aspect of R-value, and show ability to improve the IP telephony quality on the Hot-Spot network employing PLC function defined in the ITU-T Recommendation G.711 Appendix I.

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