CARD: cooperative access with relays data for multi-rate wireless local area networks

Authors:
Samir Sayed;Yang Yang;Honglin Hu
Affiliations:
Department of Electronic and Electrical Engineering, University College London, London, UK and Department of Communications and Electronics Engineering, Helwan University, Cairo, Egypt;Department of Electronic and Electrical Engineering, University College London, London, UK and Shanghai Research Center for Wireless Communications, China;Shanghai Research Center for Wireless Communications, China
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

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Abstract

In this paper, we propose a new Medium Access Control (MAC) protocol, called Cooperative Access with Relay's Data (CARD) for multi-rate wireless local area networks (WLANs). CARD allows remote nodes to transmit their information at a higher data rate to Access Point (AP) by using intermediate nodes as relays. Particularly, under CARD, a relay node sends its own data packet after forwarding a packet from the original source node, thus to improve system throughput. Analytical and simulation results show that the CARD protocol can effectively improve system throughput and reduce service delay.