Miniaturized decoupled slotted patch RFID tag antennas for wearable health care

Aslam, Bilal, Khan, Umar Hasan, Azam, Muhammad Awais, Amin, Yasar, Loo, Jonathan ORCID: 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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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
Identifier: 10.1002/mmce.21048
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: 06 Feb 2024 15:53

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