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Error bound of collision probability estimation in non-saturated IEEE 802.11 WLANs
- Authors
- Kim, Hyogon; Yoon, Jongwon; Lee, Heejo
- Issue Date
- 7월-2007
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- iEEE 802.11; collision probability; non-saturated model; contention window; clear channel assessment
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E90B, no.7, pp.1884 - 1885
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E90B
- Number
- 7
- Start Page
- 1884
- End Page
- 1885
- ISSN
- 0916-8516
- Abstract
- We analytically prove that the error in the channel idle time-based collision probability estimation in face of non-saturated stations is bounded by 2/(CWmin + 1) in the IEEE 802.11 wireless LANs (WLANs). This work explicitly quantifies the impact of non-saturation, and the result vindicates the use of the estimation technique in real-life IEEE 802.11 WLANs, in such applications as the acknowledgement-based link adaptation and the throughput optimization through contention window size adaptation.
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