Indoor location determination using a topological model

  • Authors:

  • Junichi Sakamoto;Hirokazu Miura;Noriyuki Matsuda;Hirokazu Taki;Noriyuki Abe;Satoshi Hori

  • Affiliations:

  • Graduate school of Systems Engineering, Wakayama University;Graduate school of Systems Engineering, Wakayama University;Graduate school of Systems Engineering, Wakayama University;Graduate school of Systems Engineering, Wakayama University;Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology;Institute of Technologists

  • Venue:
  • KES'05 Proceedings of the 9th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part IV
  • Year:
  • 2005

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Abstract

Context-aware computing that recognizes the context in which a user performs a task is one of the most important techniques for supporting user activity in ubiquitous computing. To realize context-aware computing, a computer needs to recognize the user's location. This paper describes a technique for location detection inside a room using radio waves from a user's computer. The proposed technique has to be sufficiently robust to cater for dynamic environments and should require only ordinary network devices, such as radio signal emitters, without the need for special equipment. We propose a topological model representing the structure of rooms in a building, and describe a room-detection method using this model.