A Novel Vital Sign Sensing Algorithm for Multiple People Detection Based on FMCW Radar

被引：9

作者：

Wang, Wen ^{[1
]}

Wang, Yong ^{[1
]}

Zhou, Mu ^{[1
]}

Nie, Wei ^{[1
]}

机构：

[1] Chongqing Univ Posts & Telecommun, Sch Commun & Informat Engn, Chongqing, Peoples R China

来源：

2020 IEEE ASIA-PACIFIC MICROWAVE CONFERENCE (APMC) | 2020年

基金：

中国国家自然科学基金;

关键词：

Radar; vital sign; adaptive digital beamforming; frequency-modulated continuous wave; multiple people;

D O I：

10.1109/APMC47863.2020.9331552

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes an adaptive digital beamforming (ADBF) algorithm to realize non-contact multi-person vital sign detection using a frequency modulated continuous wave (FMCW) radar. The 77 GHz FMCW radar multiple input multiple output (MIMO) mode is used to collect the vital sign echo signal of multi-human targets. At the receiving antennas, the ADBF algorithm is used to suppress the direction of arrival (DOA) interference on the vital sign signals. Then it combines 3-dimensional fast Fourier transform (3D-FFT) range-angle algorithm to achieve multi-person target separation. The experimental results show that the proposed method is effectively for non-contact multiple people vital sign detection.

引用

页码：1104 / 1106

页数：3

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