Performance evaluation of an adaptive backoff scheme for WLAN | Zendy

Pang Qixiang | Zendy; Liew Soung C. | Zendy; Lee Jack Y. B. | Zendy; Leung Victor C. M. | Zendy

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Performance evaluation of an adaptive backoff scheme for WLAN

Author(s) -

Pang Qixiang,

Liew Soung C.,

Lee Jack Y. B.,

Leung Victor C. M.

Publication year - 2004

Publication title -

wireless communications and mobile computing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.42

H-Index - 64

eISSN - 1530-8677

pISSN - 1530-8669

DOI - 10.1002/wcm.260

Subject(s) - computer science , window (computing) , salient , network packet , algorithm , scheme (mathematics) , wireless lan , simple (philosophy) , feature (linguistics) , wi fi , computer network , wireless , adaptive algorithm , real time computing , wireless network , telecommunications , artificial intelligence , mathematical analysis , philosophy , linguistics , mathematics , epistemology , operating system

In this paper, a simple self‐adaptive contention window adjustment algorithm for 802.11 wireless local area networks (WLAN) is proposed and analyzed. Numerical results show that the new algorithm outperforms the standard 802.11 window adjustment algorithm. Compared with the standard and previously proposed enhancement algorithms, a salient feature of our algorithm is that it performs well in both heavy and light contention cases regardless of the packet sizes and physical versions. Moreover, the adaptive window adjustment algorithm is simpler than previously proposed schemes in that no live measurement of the WLAN traffic activity is needed. Copyright © 2004 John Wiley & Sons, Ltd.

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