Peer-Reviewed Journal Details
Mandatory Fields
Fang, MY;Malone, D;Duffy, KR;Leith, DJ
2013
January
Wireless Networks
Decentralised learning MACs for collision-free access in WLANs
Published
5 ()
Optional Fields
DISTRIBUTED COORDINATION FUNCTION WIRELESS SENSOR NETWORKS THROUGHPUT PROTOCOLS FAIRNESS
19
83
98
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.
DORDRECHT
1022-0038
10.1007/s11276-012-0452-1
Grant Details