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Distributed Channel Access Scheduling for Ad Hoc Networks using Virtual MIMO

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3 Author(s)
Xin Wang ; California Univ., Santa Cruz ; Garcia-Luna-Aceves, J.J. ; Sadjadpour, H.R.

We propose the distributed channel access scheduling using virtual MIMO protocol (CHAMP). In CHAMP, nodes build a channel schedule in a distributed fashion to utilize the spatial multiplexing gain of virtual MIMO links. We also use a cooperative relay strategy to fully utilize the available degrees of freedom of virtual antenna arrays. We analyze the single-hop saturation throughput of CHAMP and evaluate its multi-hop performance through simulation. The results show that CHAMP can achieve better performance than a contention-based MAC protocol using MIMO links.

Published in:

Computer Communications and Networks, 2007. ICCCN 2007. Proceedings of 16th International Conference on

Date of Conference:

13-16 Aug. 2007