Collision-free operation in wireless ad-hoc networks
MACOM'11 Proceedings of the 4th international conference on Multiple access communications
MAClets: active MAC protocols over hard-coded devices
Proceedings of the 8th international conference on Emerging networking experiments and technologies
Decentralized constraint satisfaction
IEEE/ACM Transactions on Networking (TON)
A Beacon-Based Collision-Free Channel Access Scheme for IEEE 802.11 WLANs
Wireless Personal Communications: An International Journal
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By combining the features of CSMA and TDMA, fully decentralised WLAN MAC schemes have recently been proposed that converge to collision-free schedules. In this paper we describe a MAC with optimal long-run throughput that is almost decentralised. We then design two schemes that are practically realisable, decentralised approximations of this optimal scheme and operate with different amounts of sensing information. We achieve this by (1) introducing learning algorithms that can substantially speed up convergence to collision free operation; (2) developing a decentralised schedule length adaptation scheme that provides long-run fair (uniform) access to the medium while maintaining collision-free access for arbitrary numbers of stations.