Proportional control and deterministic protection of QoS in IEEE 802.11e wireless LAN

Authors:
Yosuke Tanigawa;Jong-Ok Kim;Hideki Tode;Koso Murakami
Affiliations:
Osaka University, Yamadaoka, Suita, Osaka, Japan;Osaka University, Yamadaoka, Suita, Osaka, Japan;Osaka University, Yamadaoka, Suita, Osaka, Japan;Osaka University, Yamadaoka, Suita, Osaka, Japan
Venue:
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Year:
2006

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Abstract

Recently, wireless LAN is achieving remarkable growth, and maturity. On the other hand, by the advance of the Internet, the demand for the multimedia communication services which include video and voice will be expected to grow. Therefore, in the future, the mechanism of QoS guarantee must be realized even in wireless LAN environment. So far, IEEE 802.11e EDCF has been proposed, which is a contention based channel access method to achieve the QoS guarantee in wireless LAN. However, this cannot realize the desired throughput ratio or deterministic target throughput in principle. In this paper, we expand the EDCF to solve such QoS issues and enable more flexible QoS control. Moreover, we show the effectiveness of our proposal by computer simulation.