Computer Science – Networking and Internet Architecture
Scientific paper
2011-05-27
International Journal of Computer Networks & Communications (IJCNC) Vol.3, No.3, May 2011 pp 48-66
Computer Science
Networking and Internet Architecture
19 pages, 14 figures
Scientific paper
10.5121/ijcnc.2011.3304
IEEE 802.11 is a widely used wireless LAN standard which offers a good bandwidth at low cost In an ESS, multiple APs can co-exist with overlapping coverage area. A mobile node connects to the AP from which it receives the best signal. Changes in traffic to and from different MNs occur over time. Load imbalance may develop on different APs. Throughput and delay of the different flows passing through the APs, where the load has increased beyond certain limit, may degrade. Different MNs associated to the overloaded APs will experience performance degradation. Overall performance of the ESS will also drop. In this paper we propose a scheme where MNs experiencing degraded performance will initiate action and with assistance from the associate AP perform handoff to less loaded AP within its range to improve performance.
Joshi Shantanu
Nandi Sukumar
Sarma Abhijit
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