期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 14, 期 -, 页码 1490-1493出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2014.2367812
关键词
61-GHz ISM band; body area network; body-centric communication; disc-like antenna; wearable antenna
资金
- Czech Science Foundation [P102/12/1274]
- COST Action IC1102 [LD12012]
- SIX Research Center [CZ.1.05/2.1.00/03.0072]
In this letter, we describe the design and simulation of on-body antennas for wireless body area network (WBAN) communication operating in the 61-GHz ISM frequency band. We developed a disc-like concept of an antenna. Instead of a direct connection between a circular disc and a feeding pin, the electromagnetic coupling is used. This concept enables us to obtain relatively broadband characteristics with omnidirectional radiation pattern and vertical polarization suitable for on-body communication. Impedance properties and radiation of the antenna were studied in open space and on a tissue-equivalent phantom representing the human body. Fabricated prototype is well matched from 59.3 to 63.4 GHz. The bandwidth of the antenna is about 7%. An antenna analyzed close to body tissue exhibits efficiency of at least 25% and the maximum gain 5.2 dB in the horizontal plane.
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