Optimal Control of Contention Windows for the Number of Stations in IEEE 802.11 DCF 


Vol. 50,  No. 2, pp. 293-295, Feb.  2025
10.7840/kics.2025.50.2.293


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  Abstract

This paper proposes an algorithm that maximize the performance of the Distributed Coordination Function(DCF), the MAC protocol used in IEEE 802.11 WLAN, according to the number of stations. The standard DCF algorithm, which adopts a random backoff mechanism, may suffer from performance degradations especially when data traffic surges or declines rapidly, and many studies have been conducted to address the issue. In this letter, we propose a new algorithm which maximizes the WLAN throughput by optimizing the contention window parameters according to the number of stations. Analytical modeling using Markov chains shows that our mechanism outperforms the previous mechanisms as well as the DCF.

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[IEEE Style]

Y. S. Jeong and S. H. Rhee, "Optimal Control of Contention Windows for the Number of Stations in IEEE 802.11 DCF," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 2, pp. 293-295, 2025. DOI: 10.7840/kics.2025.50.2.293.

[ACM Style]

Yun Seong Jeong and Seung Hyong Rhee. 2025. Optimal Control of Contention Windows for the Number of Stations in IEEE 802.11 DCF. The Journal of Korean Institute of Communications and Information Sciences, 50, 2, (2025), 293-295. DOI: 10.7840/kics.2025.50.2.293.

[KICS Style]

Yun Seong Jeong and Seung Hyong Rhee, "Optimal Control of Contention Windows for the Number of Stations in IEEE 802.11 DCF," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 2, pp. 293-295, 2. 2025. (https://doi.org/10.7840/kics.2025.50.2.293)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880