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Achieving higher throughput in ieee 802.11 wireless local area networks with burst transmission methods

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2 Author(s)
Liu, J.-S. ; Dept. of Comput. Sci. & Inf. Eng., Providence Univ. ; Lin, C.-H.R.

As extensions in the emerging 802.11e for quality-of-service provisioning, burst transmission and the acknowledgment aggregation are the two important operations to improve the channel efficiency of IEEE 802.11-based wireless local area networks (WLANs). However, only a few works have been done on these operations, and usually assumed the networks to be operated under saturated traffic conditions and error-free channels. In practice, the assumptions may not be valid because real-time traffic with proper rate control will not saturate the networks and the channel is generally error-prone. Thus, the authors consider two new methods resulted from these operations and analyse their performance under unsaturated and error-prone WLANs, with a Markov chain model. The results show that the new methods generally have better throughput than the conventional IEEE 802.11 medium access control (MAC) in the WLANs.

Published in:

Communications, IET  (Volume:3 ,  Issue: 6 )