An ultrasonic sensor based low-power acoustic modem for underwater communication in underwater wireless sensor networks

Heungwoo Nam, Sunshin An

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

Abstract

Applications of underwater sensor networks involve environmental monitoring, disaster prevention, and resource detection. As the importance of these applications has recently grown, underwater sensor networks made up of sensor nodes have to be further investigated. However, little research has been performed to develop an underwater sensor node with communication functionality. In an underwater environment, typical RF-based communication is not appropriate because of two facts. One fact is that radio waves require large antennae and high transmission power. The other fact is that the Berkeley Mica 2 Motes have been reported to have a transmission range of 120cm underwater. Consequently, we have concluded that underwater communication has to use an acoustic or ultrasonic wave rather than a radio wave. The objective of our work is to develop an acoustic modem for underwater communication, where we have to consider an energy-aware acoustic modem. This is because the battery can not easily be recharged underwater as well as in a terrestrial environment. As a consequence, an acoustic modem has to be designed with low-power. In this paper, we describe our implementation of an energy-aware acoustic modem and its performance in underwater experiments.1

Original languageEnglish
Title of host publicationEmerging Direction in Embedded and Ubiquitous Computing - EUC 2007 Workshops
Subtitle of host publicationTRUST, WSOC NCUS, UUWSN, USN, ESO, and SECUBIQ, Proceedings
EditorsMieso K. Denko, Mieso K. Denko, Mieso K. Denko, Chi-Sheng Shih, Chi-Sheng Shih, Chi-Sheng Shih, Kuan-Ching Li, Kuan-Ching Li, Kuan-Ching Li, Shiao-Li Tsao, Shiao-Li Tsao, Shiao-Li Tsao, Qing-An Zeng, Qing-An Zeng, Qing-An Zeng, Soo-Hyun Park, Soo-Hyun Park, Soo-Hyun Park, Young-Bae Ko, Young-Bae Ko, Young-Bae Ko, Shih-Hao Hung, Shih-Hao Hung, Shih-Hao Hung, Jong Hyuk Park, Jong Hyuk Park, Jong Hyuk Park
PublisherSpringer Verlag
Pages494-504
Number of pages11
ISBN (Print)9783540770893
DOIs
Publication statusPublished - 2007
Event2007 IFIP International Conference on Embedded and Ubiquitous Computing, EUC 2007 Workshops - Taipei, Taiwan, Province of China
Duration: 2007 Dec 172007 Dec 20

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4809 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Other

Other2007 IFIP International Conference on Embedded and Ubiquitous Computing, EUC 2007 Workshops
Country/TerritoryTaiwan, Province of China
CityTaipei
Period07/12/1707/12/20

Keywords

  • Acoustic modem
  • Underwater communication

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science

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