Performance Analysis of Unslotted CSMA with Hybrid Sensing in Multi-Channel Cognitive Radio Network

Dong Bi Zhu; Hui Min Wang

doi:10.4028/www.scientific.net/AMR.846-847.624

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 846-847Performance Analysis of Unslotted CSMA with Hybrid...

Performance Analysis of Unslotted CSMA with Hybrid Sensing in Multi-Channel Cognitive Radio Network

Abstract:

We propose and analyze an unslotted CSMA with hybrid sensing in multi-channel cognitive radio network, which combines random m-sensing and all sensing. We model the system by 3-demensional continuous time Markov process, calculate the steady state probability of the system, and obtain several performance measures such as throughput and forced termination probability of SUs. By comparing the performances of hybrid sensing, random m-sensing and all sensing, the numerical results show that hybrid sensing scheme overcome the defect of low performance in random m-sensing scheme.

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Periodical:

Advanced Materials Research (Volumes 846-847)

Pages:

624-628

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.846-847.624

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Online since:

November 2013

Authors:

Dong Bi Zhu*, Hui Min Wang

Keywords:

Cognitive Radio Network, CSMA, Hybrid Sensing, Throughput

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* - Corresponding Author

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