Design and Measurement of a 2.45 Ghz On-Body Antenna Optimized for Hearing Instrument Applications

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

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A balanced PIFA-inspired antenna design is presented for use with the 2:45 GHz ear-to-ear radio channel. The antenna
is designed such that the radiated electric fields are primarily polarized normal to the surface of the head, in order to obtain a high on-body path gain (jS21 j). The antenna structure can be made conformal to the outer surface of a hearing instrument, such that the bandwidth of the antenna is optimized given the available volume. The radiation patterns, ear-to-ear path gain and available bandwidth is measured and compared to the simulated results. It is found that the antenna obtains a relatively high ear-to-ear on-body path gain, as well as a bandwidth that is large enough to cover the entire 2:45 GHz ISMband.
Original languageEnglish
Title of host publication34th Annual Antenna Measurement Techniques Association Symposium 2012
Publication date2012
Pages33-37
StatePublished

Conference

Conference34th Annual Antenna Measurement Techniques Association Symposium 2012
CountryUnited States
CityBellevue, Washington
Period21/10/1226/10/12

Keywords

  • Antenna Design, Ear-to-ear, Bandwidth, Bodycentric, Measurement, On-Body, Polarization, WBAN
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