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ws 17(11): e2

Research Article

A Novel Buffer-Aided Medium Access Control for Multichannel Cognitive Radio Networks

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  • @ARTICLE{10.4108/eai.9-1-2017.152096,
        author={Mostafa Darabi and Behrouz Maham},
        title={A Novel Buffer-Aided Medium Access Control for Multichannel Cognitive Radio Networks},
        journal={EAI Endorsed Transactions on Wireless Spectrum},
        volume={3},
        number={11},
        publisher={EAI},
        journal_a={WS},
        year={2017},
        month={1},
        keywords={Average waiting time of packet, context aware cognitive networks, little law, priority-based MAC scheme, slow truck effect},
        doi={10.4108/eai.9-1-2017.152096}
    }
    
  • Mostafa Darabi
    Behrouz Maham
    Year: 2017
    A Novel Buffer-Aided Medium Access Control for Multichannel Cognitive Radio Networks
    WS
    EAI
    DOI: 10.4108/eai.9-1-2017.152096
Mostafa Darabi1,*, Behrouz Maham2
  • 1: School of ECE, College of Engineering, University of Tehran, Iran
  • 2: Department of Electrical and Electronic Engineering, Nazarbayev University, Astana, Kazakhstan
*Contact email: mostafa.darabi@ut.ac.ir

Abstract

In this paper, a novel context aware medium access control scheme is proposed for multichannel buffer-aided cognitive networks. The proposed scheme allows management of the delay more efficiently by exploiting the packets’ context. In the proposed multiple access policy, two different context aware approaches for packet prioritization are presented. In the first method, more delay sensitive packets in the primary and secondary networks are given a higher priority compared to delay tolerant packets. In the second proposed prioritization method, shorter packets in the primary and secondary networks are given a higher priority compared to longer packets and are transmitted over channels with lower service time. The average waiting time of the packets and the primary and secondary throughput are derived. Simulation results show that the proposed schemes improve the average waiting time of packets and average throughput compared to other existing MAC policies in cognitive networks.

Keywords
Average waiting time of packet, context aware cognitive networks, little law, priority-based MAC scheme, slow truck effect
Received
2016-02-20
Accepted
2016-03-01
Published
2017-01-10
Publisher
EAI
http://dx.doi.org/10.4108/eai.9-1-2017.152096

Copyright © 2017 Mostafa Darabi et al., licensed to EAI. This is an open access article distributed under the terms of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/), which permits unlimited use, distribution and reproduction in any medium so long as the original work is properly cited.

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