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AP Selection Algorithm for Real-Time Communications through Mixed WLAN Environments
Yasufumi MORIOKA Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI
IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Next-Generation Mobile Multimedia Communications)
AP selection, IEEE802.11e, load balancing, eMOS, QoS,
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Recent rapid development of high-speed wireless access technologies has created mixed WLAN (Wireless LAN) environments where QoS capable APs coexist with legacy APs. To provide QoS guarantee in this mixed WLAN environment, this paper proposes a new AP selection algorithm. The proposed algorithm assigns an STA (Station) to an AP in the overall WLAN service area. Simulation results show improvement in the VoIP performance in terms of an eMOS (estimated Mean Opinion Score) value and the FTP throughput compared to conventional algorithms.