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A Congestion Control Algorithm in IEEE 802.11 Wireless LAN for Throughput Enhancements

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3 Author(s)
Kang Yong Lee ; Broadband Convergence Network Res. Div., Electron. Telecommun. Res. Inst., Daejeon ; Kee-Seong Cho ; Byung-Sun Lee

This paper presents a congestion control algorithm, which uses cross-layered approach and rate-based transmission, for IEEE 802.11 wireless LANs (WLANs). The proposed algorithm considers the contention density which represents the degree of contention level experienced at a given station. From the contention density, each station can compute available bandwidth and adjusts its sending rate. The evaluation results show that throughput achieved by our algorithm is around 10% and about 20% at peak point, higher than that of TCP and TCP-SACK.

Published in:

Consumer Electronics, 2007. ICCE 2007. Digest of Technical Papers. International Conference on

Date of Conference:

10-14 Jan. 2007