DocumentCode
1289246
Title
A Broadband Microstrip Antenna With Improved Gain for Noncontact Vital Sign Radar Detection
Author
Park, Zivin ; Li, Changzhi ; Lin, Jenshan
Author_Institution
Univ. of Florida, Gainesville, FL, USA
Volume
8
fYear
2009
fDate
7/1/1905 12:00:00 AM
Firstpage
939
Lastpage
942
Abstract
A 4.37 GHz broadband microstrip antenna with improved gain was designed and fabricated. Compared to a partial ground plane single-patch reference antenna, the proposed broadband antenna shows better directivity and improved gain performance. In addition, its radiation pattern was designed for a vital sign radar application. This antenna was implemented in a portable 4.46.7 GHz radar sensor, which can be used for noncontact vital sign detection for security or healthcare applications. The wide frequency tuning range allows the system to be tuned for an optimum transmission frequency.
Keywords
antenna radiation patterns; broadband antennas; microstrip antennas; radar detection; broadband microstrip antenna; frequency 4.3 GHz to 7 GHz; noncontact vital sign radar detection; radar sensor; radiation pattern; Broadband antenna; cardiopulmonary; gain; noncontact; parasitic patch; radar sensor; respiration; vital sign; wireless;
fLanguage
English
Journal_Title
Antennas and Wireless Propagation Letters, IEEE
Publisher
ieee
ISSN
1536-1225
Type
jour
DOI
10.1109/LAWP.2009.2029530
Filename
5196805
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