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Broadband Communications, Networks, and Systems. 9th International EAI Conference, Broadnets 2018, Faro, Portugal, September 19–20, 2018, Proceedings

Research Article

CFDAMA-IS: MAC Protocol for Underwater Acoustic Sensor Networks

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  • @INPROCEEDINGS{10.1007/978-3-030-05195-2_19,
        author={Wael Gorma and Paul Mitchell and Yuriy Zakharov},
        title={CFDAMA-IS: MAC Protocol for Underwater Acoustic Sensor Networks},
        proceedings={Broadband Communications, Networks, and Systems. 9th International EAI Conference, Broadnets 2018, Faro, Portugal, September 19--20, 2018, Proceedings},
        proceedings_a={BROADNETS},
        year={2019},
        month={1},
        keywords={Underwater Acoustic Networks Medium Access Control},
        doi={10.1007/978-3-030-05195-2_19}
    }
    
  • Wael Gorma
    Paul Mitchell
    Yuriy Zakharov
    Year: 2019
    CFDAMA-IS: MAC Protocol for Underwater Acoustic Sensor Networks
    BROADNETS
    Springer
    DOI: 10.1007/978-3-030-05195-2_19
Wael Gorma1,*, Paul Mitchell1,*, Yuriy Zakharov1,*
  • 1: University of York
*Contact email: wmg503@york.ac.uk, paul.mitchell@york.ac.uk, yury.zakharov@york.ac.uk

Abstract

This paper is concerned with coordinating underwater transmissions of acoustic sensor nodes. The use of acoustic waves to communicate underwater poses challenges to the functionality of Medium Access Control protocols. Long propagation delay and limited channel bandwidth are some of these challenges, which place severe constraints on the trade-off between end-to-end delay and achievable channel utilisation. The Combined Free and Demand Assignment Multiple Access (CFDAMA) protocol is known to significantly enhance the delay/utilisation performance. However, CFDAMA will suffer from long round trip delays and inefficient utilisation of its frames if it is implemented in medium and deep water. The major contribution of this paper is a new approach, namely CFDAMA with Intermediate Scheduler (CFDAMA-IS), to efficiently use CFDAMA in underwater environments. The paper compares these two protocols in typical underwater scenarios. It is shown that the proposed approach significantly reduces mean end-to-end delay and enhances channel utilisation.

Keywords
Underwater Acoustic Networks Medium Access Control
Published
2019-01-04
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-05195-2_19
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