Proceedings of the Korean Society of Broadcast Engineers Conference (한국방송∙미디어공학회:학술대회논문집)

The Korean Institute of Broadcast and Media Engineers (한국방송∙미디어공학회)
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PROPOSAL OF TRACKING LAN ANTENNA USING IMAGE SENSOR

  • Uranishi, Yuki (Graduate School of Information Science, Nara Institute of Science and Technology) ;
  • Ikeda, Sei (Graduate School of Information Science, Nara Institute of Science and Technology) ;
  • Shimada, Hideki (Graduate School of Information Science, Nara Institute of Science and Technology) ;
  • Manabe, Yoshitsugu (Graduate School of Information Science, Nara Institute of Science and Technology) ;
  • Chihara, Kunihiro (Graduate School of Information Science, Nara Institute of Science and Technology)
  • Published : 2009.01.12
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Abstract

This paper proposes a wireless LAN antenna system that tracks an object automatically by using image-based tracking. The proposed system consists of a camera and a pan-tilt unit in addition to a directional wireless LAN antenna. The camera and the directional antenna are set in same direction and they are set on the pan-tilt unit. A target object which has a wireless LAN receiver is tracked by using images captured by the camera. And the directional antenna faces in same direction as the camera by the pan-tilt unit. Therefore, the directional antenna keeps pointing the receiver, and a transmitting efficiency is improved. A result of a fundamental experiment shows that a receiver attached to a flying airship was tracked by a prototype of the proposed antenna system. The airship flied about, and the proposed antenna system was set on a roof of a building. The experimental result indicates an effectiveness of the proposed system compared to the conventional directional LAN antenna.

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