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ITMN: A New MAC Protocol for Improving Throughput of Multihop Wireless Networks Considering Number of Neighbor Nodes

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Advanced Information Networking and Applications (AINA 2020)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1151))

Abstract

WLANs have become increasingly popular and widespread. The MAC protocol is an important item of WLANs, and directly affects the transmission efficiency. In this paper, we focus on MAC protocol and propose a new protocol that network nodes dynamically optimize backoff processing to achieve high throughput in multi-hop wireless networks. The distributed MAC protocol has the advantage that no infrastructure such as an access point is required. On the other hand, if the traffic load is high, due to the hidden terminal problem, the total throughput will drop significantly, so it needs to be improved. Through theoretical analysis, the average idle slot interval can be used as an index related to the current network traffic load. With average idle slot interval together with the number of neighbor nodes optimal CW (Contention Window) which can be set for a high throughput. Comparing the conventional method with the simulation results, we show that our method greatly increases the throughput when it is saturated.

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Acknowledgements

This work was supported by the Ministry of Education, Culture, Sports, Science and Technology, Grant-in-Aid for Scientific Research (C), 16K00430, 2019.

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Authors and Affiliations

  1. School of Information and Technology, Nagakute, Japan

    Taiki Morita, Xuejun Tian & Takashi Okuda

Authors
  1. Taiki Morita
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  2. Xuejun Tian
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  3. Takashi Okuda
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Corresponding author

Correspondence to Taiki Morita .

Editor information

Editors and Affiliations

  1. Department of Information and Communication Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology, Fukuoka, Japan

    Leonard Barolli

  2. Department of Electrical Engineering and Information Technology, University of Naples “Frederico II”, Naples, Italy

    Flora Amato

  3. Department of Political Science, University of Campania “Luigi Vanvitelli”, Caserta, Italy

    Francesco Moscato

  4. Faculty of Business Administration, Rissho University, Tokyo, Japan

    Tomoya Enokido

  5. Department of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan

    Makoto Takizawa

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Morita, T., Tian, X., Okuda, T. (2020). ITMN: A New MAC Protocol for Improving Throughput of Multihop Wireless Networks Considering Number of Neighbor Nodes. In: Barolli, L., Amato, F., Moscato, F., Enokido, T., Takizawa, M. (eds) Advanced Information Networking and Applications. AINA 2020. Advances in Intelligent Systems and Computing, vol 1151. Springer, Cham. https://doi.org/10.1007/978-3-030-44041-1_14

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