Indoor event detection with eigenvector spanning signal subspace for home or office security

Shohei Ikeda, Hiroyuki Tsuji, Tomoaki Ohtsuki

研究成果: Article

43 引用 (Scopus)

抄録

This paper proposes an indoor event detection system for homes and offices that is based on electric wave reception such as intrusion into home or office. The proposed system places antenna array on the receiver side and detects events such, as intrusion using the eigenvector spanning signal subspace obtained by the antenna array. The eigenvector is based on not received signal strengths (RSS) but direction of arrival. (DOA) of incident signals on the antenna array. Therefore, in a static state, the variance of the eigenvector over time is smaller than that of RSS. The eigenvector changes only when the indoor environment of interest changes .intermittently and statically, or dynamically. The installation cost is low, because the detection range is wide owing to indoor reflections and diffraction of electric wave and only a pair of transmitter and receiver are used. Experimental, results reveal that the proposed method can distinguish the state when no event occurs and that when an event occurs clearly. Since the proposed method has a low false detection rate, it offers higher detection rates than the systems based on RSS.

元の言語English
ページ(範囲)2406-2412
ページ数7
ジャーナルIEICE Transactions on Communications
E92-B
発行部数7
DOI
出版物ステータスPublished - 2009 7

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Eigenvalues and eigenfunctions
Antenna arrays
Electromagnetic waves
Direction of arrival
Transmitters
Diffraction
Costs

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Software

これを引用

Indoor event detection with eigenvector spanning signal subspace for home or office security. / Ikeda, Shohei; Tsuji, Hiroyuki; Ohtsuki, Tomoaki.

:: IEICE Transactions on Communications, 巻 E92-B, 番号 7, 07.2009, p. 2406-2412.

研究成果: Article

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