Paper Info
Title
Lac: Load-Aware Channel Selection In 802.11 Wlans
Abstract
Dense deployments of hybrid WLANs result in high levels of interference and low end-user throughput. Many frequency allocation mechanisms for WLANs have been proposed by a large body of previous studies. However, none of these mechanisms considers the load that is carried by APs in terms of channel conditions, number of affiliated users as well as traffic-load, in conjunction. In this paper, we propose LAC, a load-aware channel allocation scheme for WLANs, which considers all the above performance determinant factors. LAC incorporates an airtime cost metric into its channel scanning process, in order to capture the effects of these factors and select the channel with the maximum long-term throughput. We evaluate LAC through extensive OPNET simulations, for many different traffic scenarios. Our simulations demonstrate that LAC outperforms other frequency allocation policies for WLANs in terms of total network throughput by up to 135%.
Year
DOI
Venue
2008
10.1109/PIMRC.2008.4699916
2008 IEEE 19TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS
Keywords
Field
DocType
IEEE 802.11 Wireless Local Area Networks (WLANs), Channel Selection, Interference
Computer science,Communication channel,Computer network,Interference (wave propagation),Wireless lan,Throughput,Frequency allocation,Channel allocation schemes,Telecommunications link
Conference
Citations 
PageRank 
References 
7
0.66
10
Authors
4
Name
Order
Citations
PageRank
George Athanasiou11179.47
Ioannis Broustis242529.27
Thanasis Korakis31401115.56
Leandros Tassiulas47692757.41