期刊
IEEE ACCESS
卷 7, 期 -, 页码 150573-150582出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2947772
关键词
Antennas; Bandwidth; Wireless communication; Dielectrics; Antenna measurements; Body area networks; Polarization; Wireless body area network; ultra-wideband; dielectric resonator antenna; circular polarization; off-body communication; specific absorption rate
A unique circularly polarized (CP) compact wearable dielectric resonator antenna (DRA) has been proposed for off-body communication in wireless body area network (WBAN) applications. The design is singly fed and a new H-shaped conformal metal strip has been used to excite the DRA. A circular polarization over a bandwidth of 9.6 (7.478.25 GHz) in conjunction with an impedance matching bandwidth of 20.7 (6.958.68 GHz) has been offered by the antenna. A prototype has been fabricated and measured. The antenna has been tested both in free space and on-body environment. A robust performance has been offered by the antenna against human body lossy effects. The measured results agree very well with the simulated results.
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