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VLF Mechanical Antenna Arrays for Underwater Wireless Communications

Published: 29 December 2022 Publication History

Abstract

Magnetoelectric (ME) antennas have recently been demonstrated as a promising solution for very low frequency (VLF) communications, for their 2-3 orders of smaller dimensions and better immunity to electrical interferences than conventional electric antennas. Antenna arrays are widely used as an effective approach to enhance radiation field intensity. In this work, a new type of ME antenna with high quality factor resonator is proposed to enhance the radiation field strength and efficiency for antenna arrays. By tunning all the driving signal for each antenna unit at the same frequency and in phase, the radiation field has been linearly increased with the number of antenna arrays. A total radiation field of 200 nT at 1 meter has been achieved using 12 antenna arrays, which is one order of magnitude enhancement than a single antenna unit. Furthermore, the estimation of antenna efficiency based on the theory of magnetic dipole indicates that ME antennas can potentially enhance efficiency by a square law of the number of arrays. The demonstrated results and simulation analysis provide the potential for taking advantage of a large number of ME antenna arrays for underwater wireless communications.

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Cited By

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  • (2025)Multi-channel unequal magnetoelectric power splitter in composite of impedance-gradient piezoelectric ceramics and spinel ferritesSensors and Actuators A: Physical10.1016/j.sna.2025.116232383(116232)Online publication date: Mar-2025
  • (2024)Magnetoelectric BAW and SAW Devices: A ReviewMicromachines10.3390/mi1512147115:12(1471)Online publication date: 3-Dec-2024
  • (2024)Magnetoelectric microelectromechanical and nanoelectromechanical systems for the IoTNature Reviews Electrical Engineering10.1038/s44287-024-00044-71:5(317-334)Online publication date: 7-May-2024
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cover image ACM Other conferences
WUWNet '22: Proceedings of the 16th International Conference on Underwater Networks & Systems
November 2022
190 pages
ISBN:9781450399524
DOI:10.1145/3567600
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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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 29 December 2022

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Author Tags

  1. acoustic resonators
  2. magnetoelectric sensors
  3. mechanical antennas
  4. underwater communications
  5. very low frequency

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  • Short-paper
  • Research
  • Refereed limited

Funding Sources

  • U.S. Army Small Business Innovation Research Program Office and Army Research Office
  • NSF TANMS ERC Award

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WUWNet'22

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Overall Acceptance Rate 84 of 180 submissions, 47%

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Cited By

View all
  • (2025)Multi-channel unequal magnetoelectric power splitter in composite of impedance-gradient piezoelectric ceramics and spinel ferritesSensors and Actuators A: Physical10.1016/j.sna.2025.116232383(116232)Online publication date: Mar-2025
  • (2024)Magnetoelectric BAW and SAW Devices: A ReviewMicromachines10.3390/mi1512147115:12(1471)Online publication date: 3-Dec-2024
  • (2024)Magnetoelectric microelectromechanical and nanoelectromechanical systems for the IoTNature Reviews Electrical Engineering10.1038/s44287-024-00044-71:5(317-334)Online publication date: 7-May-2024
  • (2023)Array Study of VLF Thin-Film Magnetoelectric Antenna with a Microbridge StructureMicromachines10.3390/mi1501001115:1(11)Online publication date: 20-Dec-2023
  • (2023)Acoustically Actuated Compact Magnetoelectric Antenna for Low-Frequency Underwater CommunicationIEEE Transactions on Antennas and Propagation10.1109/TAP.2023.330771171:11(8493-8503)Online publication date: Nov-2023

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