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Distributed Routing and Spectrum Allocation Algorithm with Cooperation in Cognitive Wireless Mesh Networks

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  • Zhigang Chen
  • Zhufang Kuang
  • Yiqing Yang
  • Xiaoheng Deng
  • Ming Zhao

Abstract

Routing and spectrum allocation is an important challenge in cognitive wireless mesh networks. A distributed routing and spectrum allocation algorithm with cooperation (DRSAC-W) in cognitive wireless mesh networks is proposed in this paper. In order to show the decrease of the average end-to-end delay with cooperation in DRSAC-W, a distributed routing and spectrum allocation algorithm without cooperation (DRSAC-WO) is proposed in this paper. Minimizing the average end-to-end delay is the objective of DRSAC-W and DRSAC-WO. Simulation results show that the proposed algorithm DRSAC-W with cooperation can alleviate the high delay due to the heterogeneity of available channels of different nodes and achieve low average end-to-end delay.

Suggested Citation

  • Zhigang Chen & Zhufang Kuang & Yiqing Yang & Xiaoheng Deng & Ming Zhao, 2012. "Distributed Routing and Spectrum Allocation Algorithm with Cooperation in Cognitive Wireless Mesh Networks," International Journal of Distributed Sensor Networks, , vol. 8(6), pages 781682-7816, June.
    • Handle: RePEc:sae:intdis:v:8:y:2012:i:6:p:781682
    DOI: 10.1155/2012/781682
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