Miniaturized decoupled slotted patch RFID tag antennas for wearable health care

Aslam, Bilal, Khan, Umar Hasan, Azam, Muhammad Awais, Amin, Yasar, Loo, Jonathan and Tenhunen, Hannu (2017) Miniaturized decoupled slotted patch RFID tag antennas for wearable health care. International Journal of RF and Microwave Computer-Aided Engineering, 27 (1). e21048. ISSN 1096-4290

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Abstract

In this article, a couple of two-layered RFID tag antenna designs exhibiting improved performance descriptors for on-body applications are presented. The antennas are designed to operate in the microwave band (2.4–2.48 GHz) ensuring high data trans-mission rates ideal for real-time subject monitoring applications. The radiating element of both the antennas is a slotted patch structure provisioned with a pair of T-shaped slots realized on a commercial FR4 substrate. The augmentation of a system-atic sequence of narrow comb-like etchings into the design enhances the impedance bandwidth considerably. A high permittivity silicon layer embedded with the radiating patch provides resilience from the human body dielectric losses. A modified antenna design utilizing patch miniaturization technique, resulting in an overall footprint reduction by 32%, is also proposed. The designed tag antennas offer a gain of more than 1.8 dBi and an attractive read range greater than 6.8 m in the operating band.

Item Type: Article
Uncontrolled Keywords: pervasive health care, radiator decoupling, slotted patch, wearable RFID tag
Subjects: Computing
Medicine and health
Depositing User: Jonathan Loo
Date Deposited: 21 Jun 2017 15:34
Last Modified: 21 Jun 2017 15:34
URI: http://repository.uwl.ac.uk/id/eprint/3483

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