Power Control for MACA-based Underwater MAC Protocol: A Q-Learning Approach

Junho Cho, Faisal Ahmed, Ethungshan Shitiri, Ho Shin Cho

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

Underwater acoustic sensors are battery-powered and spend a major portion of their limited energy during packet transmissions. To conserve energy, multiple access collision avoidance (MACA)-based MAC protocols are designed to lower the data packet transmission power, while using the maximum transmission power for control packets. However, lowering the data transmission power make the data packets susceptible to collisions. In this regard, a reinforcement learning-based power control scheme is proposed for MACA-based underwater MAC protocol that can reduce collisions while maintaining high energy efficiency. A key feature of the proposed scheme is that it enables the sensor nodes to prevent collisions without any prior knowledge of the interferences, eliminating the need for additional signaling. Simulation results show that the proposed scheme significantly improves the energy efficiency and the throughput of MACA-based power control schemes.

Original languageEnglish
Title of host publicationTENSYMP 2021 - 2021 IEEE Region 10 Symposium
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665400268
DOIs
StatePublished - 23 Aug 2021
Event2021 IEEE Region 10 Symposium, TENSYMP 2021 - Jeju, Korea, Republic of
Duration: 23 Aug 202125 Aug 2021

Publication series

NameTENSYMP 2021 - 2021 IEEE Region 10 Symposium

Conference

Conference2021 IEEE Region 10 Symposium, TENSYMP 2021
Country/TerritoryKorea, Republic of
CityJeju
Period23/08/2125/08/21

Keywords

  • collisions
  • interference
  • medium access control
  • power control
  • Q-learning
  • underwater acoustic sensor networks

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