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

被引：10
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
收藏
页码：1104 / 1106
页数：3
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