A novel CAC scheme for homogeneous 802.11 networks

Authors:
Qinglin Zhao;Danny H. K. Tsang;Taka Sakurai
Affiliations:
Faculty of Information Technology, Macau University of Science and Technology, Macau, China;Department of Electronic & Computer Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong;Department of Electrical and Electronic Engineering, The University of Melbourne, Melbourne, VIC, Australia
Venue:
IEEE Transactions on Wireless Communications
Year:
2010

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Abstract

This paper proposes a new call admission control (CAC) scheme for one-hop homogeneous 802.11 DCF networks. Using the proposed scheme, we can perform admission control quickly and easily without the need for network performance measurements and complex calculations. The CAC rule is derived under asymptotic conditions, but our extensive numerical examples show that it works well for practical-sized networks with a finite retransmission limit and realistic nonsaturated traffic.