IEICE Communications Express
Online ISSN : 2187-0136
Experimental study on human target localization system using a multistatic ultra-wideband sensor
Ryohei NakamuraNana ShimizuHisaya Hadama
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2018 Volume 7 Issue 11 Pages 394-399


We have previously proposed a human target localization method using an ultra-wideband sensor with multistatic placed antennas and investigated its fundamental localization performance by computer simulation using simple indoor and human body models. In actual uses for the sensor, there are many reflectors such as desks and chairs other than walls in the room. Also, the intensity of the reflected wave from an actual human body changes complicatedly because the radar cross section varies greatly depending on the incident angle of radio waves. Therefore, in order to investigate the effectiveness of the proposed method, it is important to conduct experiments in actual radio propagation environment. In this research, we construct an experimental system that implements the proposed method and experimentally investigate the effectiveness of our proposal by changing the sensor parameters. The experimental results have confirmed that, for example, when the bandwidth is 3 GHz, the localization error was within 0.25 m with a probability of 80% or more, and the locations of a human target can be estimated with high accuracy.

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© 2018 The Institute of Electronics, Information and Communication Engineers
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