Publications:Contention-Based Polling Efficiency in Broadband Wireless Networks

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Title Contention-Based Polling Efficiency in Broadband Wireless Networks
Author Sergey Andreev and Andrey Turlikov and Alexey Vinel
Year 2008
PublicationType Conference Paper
Journal
HostPublication Analytical and Stochastic Modeling Techniques and Applications : 15th International Conference, ASMTA 2008 Nicosia, Cyprus, June 4-6, 2008 Proceedings
DOI http://dx.doi.org/10.1007/978-3-540-68982-9_21
Conference 15th International Conference on Analytical and Stochastic Modelling Techniques and Applications, Nicosia, CYPRUS, JUN 04-06, 2008
Diva url http://hh.diva-portal.org/smash/record.jsf?searchId=1&pid=diva2:587621
Abstract This paper addresses the performance of the contention-based polling techniques at the bandwidth reservation stage of IEEE 802.16 standard. A general proposition is proved, which establishes that the grouping of users in the random multiple access system does not change its capacity. Broadcast and multicast polling mechanisms are then considered, for which the throughput and the rate of the truncated binary exponential backoff algorithm are calculated for the lossy and the lossless system types, respectively. It is shown, that subject to proper optimization the performance of the aforementioned algorithm is the same for both system types. The efficiency of the symmetric user grouping is finally studied, which demonstrates that a negligible performance gain may be achieved for the cost of the increased IEEE 802.16 overhead.