Optimal Target Channel Selection Algorithm Based on Hybrid Spectrum Handoffs in Cognitive Radio Networks

MA Bin; BAO Xiaomin; XIE Xianzhong

doi:10.11999/JEIT160268

Volume 39 Issue 1

Jan. 2017

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MA Bin, BAO Xiaomin, XIE Xianzhong. Optimal Target Channel Selection Algorithm Based on Hybrid Spectrum Handoffs in Cognitive Radio Networks[J]. Journal of Electronics & Information Technology, 2017, 39(1): 31-37. doi: 10.11999/JEIT160268

Citation:

MA Bin, BAO Xiaomin, XIE Xianzhong. Optimal Target Channel Selection Algorithm Based on Hybrid Spectrum Handoffs in Cognitive Radio Networks[J]. Journal of Electronics & Information Technology, 2017, 39(1): 31-37. doi: 10.11999/JEIT160268

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Optimal Target Channel Selection Algorithm Based on Hybrid Spectrum Handoffs in Cognitive Radio Networks

doi: 10.11999/JEIT160268

Funds:

The National Natural Science Foundation of China (61271259, 61301123, 61471076), The Foundation and Advanced Research Program of Chongqing (cstc2015jcyjA40047), The Doctoral Start-up Fund of Chongqing University of Posts and Telecommunications (A2014-10, A2015-16)

Received Date: 2016-03-21
Rev Recd Date: 2016-07-25
Publish Date: 2017-01-19

Abstract

Abstract

The predetermined target channel has high risk of being unavailable in the proactive-decision spectrum handoff. To solve this problem, an optimum target channel selection algorithm based on hybrid spectrum handoff is proposed. This algorithm coordinates the advantages of both the proactive-decision and reactive-decision spectrum handoffs. With the metric of minimizing the cumulative handoff delay, the impacts of secondary users multiple interruptions, primary users arrival rates and imperfect sensing on secondary users cumulative handoff delay are included and the detailed analysis and derivation of the secondary users cumulative handoff delay are conducted under imperfect sensing. Compared with proactive-decision and reactive-decision target channel selection schemes, the simulation results demonstrate that the performance of the proposed algorithm is especially excellent with frequent channel states variations or heavy traffic loads.
- Cognitive Radio (CR),
- Channel selection,
- Spectrum handoff,
- Hybrid mode,
- Imperfect sensing

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References(14)

References

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