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Dynamic Channel Slot Allocation Scheme and Performance Analysis of Cyclic Quorum Multichannel MAC Protocol
KTH, School of Electrical Engineering (EES), Information Science and Engineering.
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2017 (English)In: Mathematical problems in engineering (Print), ISSN 1024-123X, E-ISSN 1563-5147, article id 8580913Article in journal (Refereed) Published
Abstract [en]

In high diversity node situation, multichannel MAC protocol can improve the frequency efficiency, owing to fewer collisions compared with single-channel MAC protocol. And the performance of cyclic quorum-based multichannel (CQM) MAC protocol is outstanding. Based on cyclic quorum system and channel slot allocation, it can avoid the bottleneck that others suffered from and can be easily realized with only one transceiver. To obtain the accurate performance of CQMMAC protocol, a Markov chain model, which combines the channel-hopping strategy of CQM protocol and IEEE 802.11 distributed coordination function (DCF), is proposed. The results of numerical analysis show that the optimal performance of CQM protocol can be obtained in saturation bound situation. And then we obtain the saturation bound of CQM system by bird swarm algorithm. In addition, to improve the performance of CQM protocol in unsaturation situation, a dynamic channel slot allocation of CQM(DCQM) protocol is proposed, based on wavelet neural network. Finally, the performance of CQM protocol and DCQM protocol is simulated by Qualnet platform. And the simulation results show that the analytic and simulation results match very well; the DCQM performs better in unsaturation situation.

Place, publisher, year, edition, pages
HINDAWI LTD , 2017. article id 8580913
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Computer and Information Sciences
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URN: urn:nbn:se:kth:diva-215860DOI: 10.1155/2017/8580913ISI: 000412008700001Scopus ID: 2-s2.0-85031935961OAI: oai:DiVA.org:kth-215860DiVA, id: diva2:1149484
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QC 20171016

Available from: 2017-10-16 Created: 2017-10-16 Last updated: 2018-01-13Bibliographically approved

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Output format
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