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Busy Terminal Problem and Implications for MAC Protocols in Underwater Acoustic Networks

Published: 12 November 2014 Publication History

Abstract

In half-duplex underwater acoustic networks, MAC protocols usually assume packet transmissions can interrupt packet receptions so that the exposed terminal problem can be easily handled and system performance is improved. In practice, however, an acoustic modem cannot be interrupted at will when it is transmitting or receiving. In other words, the modem cannot transmit packets when it is busy. This problem is referred to as the "busy terminal problem". In underwater environments, the low transmission rates of acoustic modems result in excessive long transmission time which makes the busy terminal problem more severe. As a result, the modem frequently appears to be too busy to transmit newly arrived packets. This would significantly alter packet sending patterns, which may affect collision behaviors in underwater MAC protocols. To better study the busy terminal problem, we theoretically model its impact on successful transmission probability in multi-hop underwater acoustic networks with long propagation delays. Extensive simulations show that the proposed model can effectively characterize how the busy terminal problem affects collision behaviors.

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Cited By

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  • (2021)Shortest Propagation Delay-Based Relay Selection for Underwater Acoustic Sensor NetworksIEEE Access10.1109/ACCESS.2021.30612739(37923-37935)Online publication date: 2021
  • (2018)Implementation of depth‐based routing and its enhancement in AquaSim–Next Generation for underwater wireless sensor networksInternational Journal of Communication Systems10.1002/dac.371431:12Online publication date: 13-Jun-2018
  • (2017)Aqua-Sim Next GenerationProceedings of the 12th International Conference on Underwater Networks & Systems10.1145/3148675.3148679(1-8)Online publication date: 6-Nov-2017
  • Show More Cited By

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cover image ACM Other conferences
WUWNet '14: Proceedings of the 9th International Conference on Underwater Networks & Systems
November 2014
230 pages
ISBN:9781450332774
DOI:10.1145/2671490
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 12 November 2014

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Author Tags

  1. busy terminal problem
  2. medium access control
  3. modeling
  4. underwater acoustic networks

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  • Refereed limited

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WUWNET '14

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WUWNet '14 Paper Acceptance Rate 9 of 27 submissions, 33%;
Overall Acceptance Rate 84 of 180 submissions, 47%

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Cited By

View all
  • (2021)Shortest Propagation Delay-Based Relay Selection for Underwater Acoustic Sensor NetworksIEEE Access10.1109/ACCESS.2021.30612739(37923-37935)Online publication date: 2021
  • (2018)Implementation of depth‐based routing and its enhancement in AquaSim–Next Generation for underwater wireless sensor networksInternational Journal of Communication Systems10.1002/dac.371431:12Online publication date: 13-Jun-2018
  • (2017)Aqua-Sim Next GenerationProceedings of the 12th International Conference on Underwater Networks & Systems10.1145/3148675.3148679(1-8)Online publication date: 6-Nov-2017
  • (2015)Aqua-Sim Next GenerationProceedings of the 10th International Conference on Underwater Networks & Systems10.1145/2831296.2831341(1-2)Online publication date: 22-Oct-2015
  • (2014)Cognitive AcousticsProceedings of the 9th International Conference on Underwater Networks & Systems10.1145/2671490.2676781(1-2)Online publication date: 12-Nov-2014

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