Rate adaptation based on collision probability for IEEE 802.11 WLANs

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Nowadays IEEE 802.11 wireless local area networks (WLANs) support multiple transmission rates. To achieve the best performance, transmitting stations adopt the various forms of automatic rate fall-back (ARF). However, ARF suffers from severe performance degradation as the number of transmitting stations increases. In this paper, we propose a new rate adaptation scheme which adjusts the ARF's up/down threshold according to the channel contention level. Simulation result shows that the proposed scheme achieves fairly good performance compared with the existing schemes.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2008-04
Language
English
Article Type
Article
Citation

IEICE TRANSACTIONS ON COMMUNICATIONS, v.E91B, pp.1227 - 1230

ISSN
0916-8516
URI
http://hdl.handle.net/10203/91942
Appears in Collection
EE-Journal Papers(저널논문)
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