IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
Estimating Living-Body Location Using Bistatic MIMO Radar in Multi-Path Environment
Keita KONNONaoki HONMADai SASAKAWAKentaro NISHIMORINobuyasu TAKEMURATsutomu MITSUIYoshitaka TSUNEKAWA
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2015 Volume E98.B Issue 11 Pages 2314-2321

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Abstract

This paper proposes a method that uses bistatic Multiple-Input Multiple-Output (MIMO) radar to locate living-bodies. In this method, directions of living-bodies are estimated by the MUltiple SIgnal Classification (MUSIC) method at the transmitter and receiver, where the Fourier transformed virtual Single-Input Multiple-Output (SIMO) channel matrix is used. Body location is taken as the intersection of the two directions. The proposal uses a single frequency and so has a great advantage over conventional methods that need a wide frequency band. Also, this method can be used in multipath-rich environments such as indoors. An experiment is performed in an indoor environment, and the MIMO channels yielded by various subject numbers and positions are measured. The result indicates that the proposed method can estimate multiple living-body locations with high accuracy, even in multipath environments.

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© 2015 The Institute of Electronics, Information and Communication Engineers
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