Research

In-the-Ear Spiral Monopole Antenna for Hearing Instruments

Abstract

A novel in-the-ear (ITE) antenna solution for hearing instruments that operates at 2.45 GHz is presented. The antenna consists of a quarter wave monopole and a ground plane that are placed in the ear. The simulated path gain | S 21 |is − 86 dB and the measured path gain is − 80 dB. Simulations and measurements show that the antenna covers the entire 2.40 – 2.48 GHz industrial, scientific and medical (ISM) band. It is the first ever ITE-antenna solution that demonstrates the possibility of establishing an ear-to-ear link by using a standard Bluetooth chip

Info

Journal Article, 2014

UN SDG Classification
DK Main Research Area

    Science/Technology

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