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A multipath routing and spectrum access (MRSA) framework for cognitive radio systems in multi-radio mesh networks

Published:21 September 2009Publication History

ABSTRACT

Cognitive Radio (CR) techniques to dynamically utilize the frequency spectrum is under hot discussion recently. In particular, wireless mesh networks along with CR techniques may play a vital role in spectrum-scarce situations, which are the target environments of this paper. In CR systems, the most crucial issue is how to detect and mitigate the appearance of primary users. To minimize the effect of "onset" of primary users, we propose to use multipath routing assuming that multiple radios are equipped at each station. Using multipath and multiradio in wireless mesh networks shows that the performance (e.g. end-to-end throughput) is substantially more resilient to the dynamic behavior of primary users than other choices. The proposed routing and spectrum access framework seeks to reduce the contention and interference among stations in perspective of traffic load balancing.

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  1. A multipath routing and spectrum access (MRSA) framework for cognitive radio systems in multi-radio mesh networks

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          cover image ACM Conferences
          CoRoNet '09: Proceedings of the 2009 ACM workshop on Cognitive radio networks
          September 2009
          100 pages
          ISBN:9781605587387
          DOI:10.1145/1614235

          Copyright © 2009 ACM

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          Publication History

          • Published: 21 September 2009

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