A practical tree algorithm with successive interference cancellation for delay reduction in IEEE 802.16 networks

Authors:
Sergey Andreev;Eugeny Pustovalov;Andrey Turlikov
Affiliations:
Tampere University of Technology, Finland;State University of Aerospace Instrumentation, St. Petersburg, Russia;State University of Aerospace Instrumentation, St. Petersburg, Russia
Venue:
ASMTA'11 Proceedings of the 18th international conference on Analytical and stochastic modeling techniques and applications
Year:
2011

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Abstract

This paper thoroughly studies a modification of tree algorithm with successive interference cancellation. In particular, we focus on the algorithm throughput and account for a single signal memory location, as well as cancellation errors of three types. The resulting scheme is robust to imperfect interference cancellation and is tailored to the uplink bandwidth request collision resolution in an IEEE 802.16 cellular network. The mean packet delay is shown to be considerably reduced when using the proposed approach.