Design and implementation of a fully distributed ultrasonic positioning system

Masateru Minami, Hiroyuki Morikawa, Tomonori Aoyama

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


In the ubiquitous computing environment, the physical locations of persons and goods are extremely important information. In this paper, the design of a fully distributed localization system based on ultrasound, mainly for the indoor environment, is described. This system performs localization with as few positioning references as possible by an iterative technique. When such a localization method is used, deterioration of localization accuracy due to no-line-of-sight signals and to accumulated errors is a problem. In this paper, the resolution of these problems is discussed and system evaluation by implementation experiments is carried out. With 24 devices, localization with an accuracy of about 20 cm is demonstrated.

Original languageEnglish
Pages (from-to)17-26
Number of pages10
JournalElectronics and Communications in Japan, Part III: Fundamental Electronic Science (English translation of Denshi Tsushin Gakkai Ronbunshi)
Issue number6
Publication statusPublished - 2007 Jun 1


  • Fully distributed system
  • Localization
  • Ubiquitous computing

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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