Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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ToA Based Sensor Localization Algorithm in Underwater Wireless Sensor Networks

ToA 기법을 이용한 수중 무선 센서 네트워크에서의 센서 위치 측정

  • 이강훈 (부산대학교 기계공학부) ;
  • 유창호 (부산대학교 지능기계공학과) ;
  • 최재원 (부산대학교 기계공학부) ;
  • 서영봉 (부산대학교 공학교육혁신센터)
  • Published : 2009.06.01
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Abstract

Currently several kinds of sensor localization methods have been developed for terrestrial wireless sensor networks. This study, in order to extend the field to underwater environments, a localization technique is studied for UWSNs (Underwater Wireless Sensor Networks). In underwater environments, RF (Radio Frequency) signal is not suitable for underwater usage because of extremely limited propagation. Because of that reason UWSNs should be constituted with acoustic modems. But, to realize underwater application, we can borrow many design principles from ongoing research for terrestrial environments. So, in this paper we introduce the modified localization algorithm using ToA method which is based on the terrestrial research. First of all, we study the localization techniques for terrestrial environments where we investigate possible methods to underwater environment. And then the appropriate algorithm is presented in the underwater usage. Finally the proposed underwater based localization algorithm is evaluated by using computer.

Keywords

References

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