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Evaluation of multi-carrier burst contention and IEEE 802.11 with fading during channel sensing

Roman, Bogdan and Chatzigeorgiou, Ioannis and Wassell, Ian J. and Stajano, Frank (2009) Evaluation of multi-carrier burst contention and IEEE 802.11 with fading during channel sensing. In: IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications, 2009. IEEE, Tokyo, pp. 57-61. ISBN 978-1-4244-5122-7

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Abstract

With the prevalence of wireless capability in mobile devices and the increasing number of wireless network deployments where protocols using carrier sensing (such as IEEE 802.11) are employed, it is important to understand the impact of fading during the channel sensing period and its direct effects on performance in realistic environments. In this paper we evaluate the performance of IEEE 802.11 and that of our proposed cross-layer Multi-Carrier Burst Contention (MCBC) protocol, which we have implemented in hardware, in realistic indoor fading environments with no direct line of sight. We present thorough simulation results, backed up by hardware and real-world measurements, performance issues for each protocol and describe methods for increasing resilience to fading during channel sensing in order to improve performance.

Item Type: Contribution in Book/Report/Proceedings
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 49542
Deposited By: ep_importer_pure
Deposited On: 08 Mar 2012 16:41
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 00:37
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/49542

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