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Adaptive Carrier Sensing-Based MAC Designs: Throughput Analysis

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Cognitive MAC Designs for OSA Networks

Part of the book series: SpringerBriefs in Electrical and Computer Engineering ((BRIEFSELECTRIC))

Abstract

This chapter presents an adaptive access scheme for carrier sense multiple access (CSMA) and evaluates its performance by developing an analytical model to compute the system throughput. This adaptive carrier sensing-based MAC protocol prioritizes users who gain most from using a channel by assigning channel-adaptive access probabilities (activity factors) to different users. Furthermore, such activity factors are designed to achieve long-term fairness by keeping a same average access probability for all users. Performance of the proposed adaptive CSMA is evaluated in terms of collision probability and saturation throughput by analysis and simulation. Moreover, the effects of network configuration parameters (e.g., the number of users in the network, the minimum contention window, and the packet length) on the throughput performance are investigated.

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Author information

Authors and Affiliations

  1. Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada

    Mahsa Derakhshani

  2. Department of Electrical and Computer Engineering, McGill University, Montreal, Québec, Canada

    Tho Le-Ngoc

Authors
  1. Mahsa Derakhshani
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  2. Tho Le-Ngoc
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Correspondence to Mahsa Derakhshani .

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Derakhshani, M., Le-Ngoc, T. (2014). Adaptive Carrier Sensing-Based MAC Designs: Throughput Analysis. In: Cognitive MAC Designs for OSA Networks. SpringerBriefs in Electrical and Computer Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-12649-4_5

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  • DOI: https://doi.org/10.1007/978-3-319-12649-4_5

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-12648-7

  • Online ISBN: 978-3-319-12649-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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