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Elena López-Aguilera*, Martin Heusse, Franck Rousseau, Andrzej Duda, and Jordi Casademont* (* Technological University of Catalonia (UPC), Spain)

Channel Access Unfairness of Wireless LAN Access Methods

In Proceedings of the 15th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2007). Princeton, NJ, June 10-13, 2007

Sunday 10 June 2007

In this paper, we present an evaluation of chosen wireless LAN access methods involving stations with different bit error rates: n−1 stations in ideal transmission conditions (BER = 0) and 1 station with a given bit error rate (BER <> 0). The simulation results show that the IEEE 802.11 DCF and its modifications (Slow Decrease, AOB) are very sensitive to transmission errors, whereas Idle Sense provides good channel access fairness: the value of the contention window is almost the same regardless of transmission errors, so that the throughput difference between stations subject to different bit error rates corresponds only to the proportion of lost frames.

P.S.

@inproceedings{lopez-lanman2007,
	author = {Lopez-Aguilera, Elena and Heusse, Martin and Rousseau, Franck and Duda, Andrzej and Casademont, Jordi},
	title = {{Channel Access Unfairness of Wireless LAN Access Methods}},
	booktitle = {Proceedings of the 15th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2007)},
	address = {Princeton, NJ},
	abstract = {In this paper, we present an evaluation of chosen wireless LAN access methods involving stations with different bit error rates: {n−1} stations in ideal transmission conditions (BER = 0) and 1 station with a given bit error rate (BER <> 0). The simulation results show that the IEEE 802.11 DCF and its modifications (Slow Decrease, AOB) are very sensitive to transmission errors, whereas Idle Sense provides good channel access fairness: the value of the contention window is almost the same regardless of transmission errors, so that the throughput difference between stations subject to different bit error rates corresponds only to the proportion of lost frames.},
	isbn = {1-4244-1100-9},
	doi = {10.1109/LANMAN.2007.4295987},
	url ={http://www.ieee-lanman.org/presentations/lopez-aguilera.pdf},
	pages = {129--133},
	month = Jun # {~10--13},
	year = 2007
}

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