Appropriate reflected power control for vital signal radar adopting phase shifting method

Tze Pin Young; Ti Tan Chen; Yi Chyun Chiang

doi:10.1109/IMWS-BIO.2015.7303786

Appropriate reflected power control for vital signal radar adopting phase shifting method

Tze Pin Young, Ti Tan Chen, Yi Chyun Chiang

Department of Electronic Engineering

Chang Gung University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

A study of noncontact vital signal radar adopting the phase shift technique for detecting the target located at the different locations in the detection path is reported. A theoretical analysis for determining the appropriate conversion gain of the radar to detect the vital signal of the target with adopting only two phase states will be described. With choosing the appropriate down-conversion gain and fast switching two phase states, the heartbeat and respiration of a human target can be determined using data acquisition model by analyzing the down-converted signal. A 2.4 GHz experimental prototype was fabricated on a PCB substrate to verify the proposed vital signal detection method. Measurements show good agreement with the theoretical prediction that the radar can clearly detect heartbeat and respiration signals at any point within the detectable range of the radar.

Original language	English
Title of host publication	2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	78-80
Number of pages	3
ISBN (Electronic)	9781479985432
DOIs	https://doi.org/10.1109/IMWS-BIO.2015.7303786
State	Published - 21 10 2015
Event	IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Taipei, Taiwan Duration: 21 09 2015 → 23 09 2015

Publication series

Name	2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings

Conference

Conference	IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015
Country/Territory	Taiwan
City	Taipei
Period	21/09/15 → 23/09/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

Keywords

direct conversion mixer
phase shift
vital signal radar

Access to Document

10.1109/IMWS-BIO.2015.7303786

Cite this

Young, T. P., Chen, T. T., & Chiang, Y. C. (2015). Appropriate reflected power control for vital signal radar adopting phase shifting method. In 2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings (pp. 78-80). Article 7303786 (2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IMWS-BIO.2015.7303786

Young, Tze Pin ; Chen, Ti Tan ; Chiang, Yi Chyun. / Appropriate reflected power control for vital signal radar adopting phase shifting method. 2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 78-80 (2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings).

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abstract = "A study of noncontact vital signal radar adopting the phase shift technique for detecting the target located at the different locations in the detection path is reported. A theoretical analysis for determining the appropriate conversion gain of the radar to detect the vital signal of the target with adopting only two phase states will be described. With choosing the appropriate down-conversion gain and fast switching two phase states, the heartbeat and respiration of a human target can be determined using data acquisition model by analyzing the down-converted signal. A 2.4 GHz experimental prototype was fabricated on a PCB substrate to verify the proposed vital signal detection method. Measurements show good agreement with the theoretical prediction that the radar can clearly detect heartbeat and respiration signals at any point within the detectable range of the radar.",

keywords = "direct conversion mixer, phase shift, vital signal radar",

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Young, TP, Chen, TT & Chiang, YC 2015, Appropriate reflected power control for vital signal radar adopting phase shifting method. in 2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings., 7303786, 2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 78-80, IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015, Taipei, Taiwan, 21/09/15. https://doi.org/10.1109/IMWS-BIO.2015.7303786

Appropriate reflected power control for vital signal radar adopting phase shifting method. / Young, Tze Pin; Chen, Ti Tan; Chiang, Yi Chyun.
2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2015. p. 78-80 7303786 (2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Young, Tze Pin

AU - Chen, Ti Tan

AU - Chiang, Yi Chyun

PY - 2015/10/21

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N2 - A study of noncontact vital signal radar adopting the phase shift technique for detecting the target located at the different locations in the detection path is reported. A theoretical analysis for determining the appropriate conversion gain of the radar to detect the vital signal of the target with adopting only two phase states will be described. With choosing the appropriate down-conversion gain and fast switching two phase states, the heartbeat and respiration of a human target can be determined using data acquisition model by analyzing the down-converted signal. A 2.4 GHz experimental prototype was fabricated on a PCB substrate to verify the proposed vital signal detection method. Measurements show good agreement with the theoretical prediction that the radar can clearly detect heartbeat and respiration signals at any point within the detectable range of the radar.

AB - A study of noncontact vital signal radar adopting the phase shift technique for detecting the target located at the different locations in the detection path is reported. A theoretical analysis for determining the appropriate conversion gain of the radar to detect the vital signal of the target with adopting only two phase states will be described. With choosing the appropriate down-conversion gain and fast switching two phase states, the heartbeat and respiration of a human target can be determined using data acquisition model by analyzing the down-converted signal. A 2.4 GHz experimental prototype was fabricated on a PCB substrate to verify the proposed vital signal detection method. Measurements show good agreement with the theoretical prediction that the radar can clearly detect heartbeat and respiration signals at any point within the detectable range of the radar.

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Young TP, Chen TT, Chiang YC. Appropriate reflected power control for vital signal radar adopting phase shifting method. In 2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2015. p. 78-80. 7303786. (2015 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015 - Proceedings). doi: 10.1109/IMWS-BIO.2015.7303786

Appropriate reflected power control for vital signal radar adopting phase shifting method

Abstract

Publication series

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Bibliographical note

Keywords

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