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Cluster Computing

, Volume 22, Supplement 2, pp 2629–2637 | Cite as

Cross-layer parallel cooperative spectrum sensing for heterogeneous channels based on iterative KM algorithm

  • Shuang FuEmail author
  • Guoyin Zhang
  • Tingyi Shang
Article
  • 154 Downloads

Abstract

To address the problem of spectrum scarcity in future communication for smart world, cognitive radio (CR) is viewed as an effective way and has been widely studied in recent years. Spectrum sensing is the key to deploy Cognitive radio (CR) network. Parallel cooperative spectrum sensing provides an effective solution in multi-channel scenario. In this paper, joint optimal sensing duration selection and sensing task allocation is studied in parallel cooperative spectrum sensing for heterogeneous multi-channel CR systems. Two cross-layer parallel cooperative spectrum sensing methods based on iterative KM algorithm are proposed. Sensing duration selection and sensing task allocation are designed jointly to maximize the available throughput. A two-step method is implemented. Firstly it determines the optimal sensing task allocation for fixed sensing duration by iterative KM algorithm, and then selects the optimal sensing duration by exhaustion method and quartering method, respectively. The simulation results show that the proposed method can optimally select the sensing duration and obtain higher available throughput than other compared methods.

Keywords

Cognitive radio Spectrum sensing KM algorithm Sensing duration 

Notes

Acknowledgements

This paper is funded by the Science Foundation of Heilongjiang Province for the Youth (No. QC2015070), the Scientific Research Foundation for Doctor of Heilongjiang Bayi Agricultural University (No. XDB2015-28).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2017

Authors and Affiliations

  1. 1.Institute of Electric and InformationHeilongjiang Bayi Agricultural UniversityDaqingChina
  2. 2.Institute of College of Computer Science and TechnologyHarbin Engineering UniversityHarbinChina

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