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Ultra-compact Implantable MIMO Antenna with Radiation Pattern Diversity for Scalp-based Implants | IEEE Conference Publication | IEEE Xplore

Ultra-compact Implantable MIMO Antenna with Radiation Pattern Diversity for Scalp-based Implants


Abstract:

This work presents the development of a new ultra-compact implantable two-element MIMO antenna with radiation diversity for bio-telemetry communication in scalp-based imp...Show More

Abstract:

This work presents the development of a new ultra-compact implantable two-element MIMO antenna with radiation diversity for bio-telemetry communication in scalp-based implants. The design consists of two separated mirrored semicircular slotted patches that radiate in dissimilar directions to enable radiation diversity. The proposed antenna occupies a very compact volume of 4.085 mm3and is designed to resonate at 2.4 GHz. Two different numerical techniques were used to validate the antenna's performance in a scalp-based environment. Due to symmetry, both antenna's radiating elements achieved a fractional bandwidth of 25.13% and a peak gain of -19.8 dBi at the resonance frequency. The antenna showed an ability to radiate in two dissimilar directions with a radiation coverage angle of ± 60°. Specific absorption rate and link budget analyses were conducted and demonstrated the antenna's ability to perform bio-telemetry communication at high data rates of up to 100 Mbps while satisfying power safety regulations.
Date of Conference: 07-08 November 2024
Date Added to IEEE Xplore: 20 December 2024
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Conference Location: Timisoara, Romania

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