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Full-Duplex WiFi Networks

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Handbook of Cognitive Radio

Abstract

The device in conventional half-duplex WiFi networks cannot perform carrier sensing while in data transmission; thus it suffers from long collision duration. To mitigate this problem, this chapter introduces full-duplex (FD) technology into WiFi networks. A novel CSMA/CD protocol design is first presented for single-channel FD-WiFi, which facilitates continuous carrier sensing and transmission suspension. The network throughput performance is comprehensively analyzed by considering possible sensing errors (i.e., false alarm and miss detection) due to self-interference, and simulation results verify the performance analysis and the effectiveness of CSMA/CD protocol. Then the protocol for multi-channel FD-WiFi is provided, where the CSMA/CD protocol for accessing a certain channel is modified by adopting a contention window adjustment rule, and a distributed channel selection strategy is proposed based on the best-response algorithm. Simulation results indicate the performance improvement of multi-channel FD-WiFi protocol design.

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Authors and Affiliations

  1. School of Electrical Engineering and Computer Science, Peking University, 100871, Beijing, China

    Liwei Song, Yun Liao & Lingyang Song

Authors
  1. Liwei Song
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  2. Yun Liao
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  3. Lingyang Song
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Corresponding author

Correspondence to Liwei Song .

Editor information

Editors and Affiliations

  1. Electrical Engg Bldg, Rm 325, The University of New South Wales, Sydney, New South Wales, Australia

    Wei Zhang

Section Editor information

  1. School of Computer Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore, Singapore

    Dusit Niyato

  2. School of Computer Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore, Singapore

    Ping Wang

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© 2017 Springer Nature Singapore Pte Ltd.

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Song, L., Liao, Y., Song, L. (2017). Full-Duplex WiFi Networks. In: Zhang, W. (eds) Handbook of Cognitive Radio . Springer, Singapore. https://doi.org/10.1007/978-981-10-1389-8_17-1

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  • DOI: https://doi.org/10.1007/978-981-10-1389-8_17-1

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-1389-8

  • Online ISBN: 978-981-10-1389-8

  • eBook Packages: Springer Reference EngineeringReference Module Computer Science and Engineering

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