期刊
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
卷 45, 期 6, 页码 480-483出版社
WILEY
DOI: 10.1002/mop.20858
关键词
antennas; compact patch antennas; antennas in close proximity to a lossy medium; WLAN antennas; body-worn antennas
Impedance and radiation characteristics of a 2.4-GHz compact shorted-patch antenna in close proximity to a lossy medium art, investigated. In this study, a loss), medium with permittivity and conductivity close to those of a human torso or arm at 2.4 GHz is studied. The results obtained show that the antenna can still provide acceptable operating bandwidth (> 84 MHz covering the 2.4-GHz WLAN band) and efficiency (> 60%) when the antenna is placed very close (1-mm spacing only) to the lossy medium. The results indicate that the compact shorted-patch antenna studied is promising for application as a body-worn antenna on the body. (c) 2005 Wiley Periodicals, Inc.
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