Antenna Array Calibration for Living-Body Radar

This letter introduces an antenna array calibration method that uses the channel response with known subject direction so as to accurately estimate living-body directions in multipath environments for elderly monitoring. Said calibration is extracted from the known living-body direction information...

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Published in:IEEE antennas and wireless propagation letters 2016, Vol.15, p.246-249
Main Authors: Sasakawa, Dai, Konno, Keita, Honma, Naoki, Nishimori, Kentaro, Takemura, Nobuyasu, Mitsui, Tsutomu
Format: Article
Language:English
Subjects:
Antenna array
Antenna arrays
Antenna measurements
Arrays
Calibration
direction-of-arrival (DOA) estimation
Directive antennas
living-body direction
microwave sensors
Multiple signal classification
Radar antennas
single-input-multiple-output (SIMO)
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cited_by cdi_FETCH-LOGICAL-c293t-a8737be326841830315c45b7caa7d05ac0b7227ffbd798633af5db8874f7a9e33
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container_end_page 249
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container_start_page 246
container_title IEEE antennas and wireless propagation letters
container_volume 15
creator Sasakawa, Dai
Konno, Keita
Honma, Naoki
Nishimori, Kentaro
Takemura, Nobuyasu
Mitsui, Tsutomu
description This letter introduces an antenna array calibration method that uses the channel response with known subject direction so as to accurately estimate living-body directions in multipath environments for elderly monitoring. Said calibration is extracted from the known living-body direction information using the Fourier transformed channel matrix. An experiment shows that the proposed method offers successful antenna array calibration even in indoor environments. Living-body directions are successfully estimated within acceptable error proving that the proposed method is effective in calibrating living-body radars.
doi_str_mv 10.1109/LAWP.2015.2439735
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subjects Antenna array
Antenna arrays
Antenna measurements
Arrays
Calibration
direction-of-arrival (DOA) estimation
Directive antennas
living-body direction
microwave sensors
Multiple signal classification
Radar antennas
single-input-multiple-output (SIMO)
title Antenna Array Calibration for Living-Body Radar
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