A novel on‐body antenna targeted for 2.45 GHz customised in‐the‐ear hearing instrument applications is designed, implemented, and measured. The antenna is designed to use the maximum volume available in the user's ear canal and to provide isolation from the user's body. The polarisation is primarily normal to the surface of the head to ensure the best on‐body path gain. Efficiency and S ‐parameters from measurements in free space and on a specific anthropomorphic mannequin head endowed with ears are presented.
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Ruaro et al. (2015) studied this question.
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