Flexible 2.4 GHz node for body area networks with a compact high-gain planar antenna

Wagih, M, Wei, Y ORCID: https://orcid.org/0000-0001-6195-8595 and Beeby, S, 2019. Flexible 2.4 GHz node for body area networks with a compact high-gain planar antenna. IEEE Antennas and Wireless Propagation Letters, 18 (1), pp. 49-53. ISSN 1536-1225

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Abstract

A flexible 2.4 GHz wireless sensor node with a bespoke single-layer monopole antenna, tuned for on-body operation for wearable applications, is presented. Multiple antenna design approaches for tuning on-body antennas have been investigated. The proposed antennas patch and meandered, designed for operation in the insole, exhibit a simulated realized gain of -3.98 and -1.97 dB, respectively. The antennas were fabricated on a 25 μm flexible polyimide substrate, exhibiting up to 16% lower insertion losses at 20 GHz than FR4 PCBs. The integrated node incorporates a commercial Bluetooth low energy system-on-chip and exhibits 9 dB higher measured gain than commercial modules with reference antenna design. Moreover, through functional radio test, it was confirmed that the designed node passes Bluetooth transmitter certification tests.

Item Type:	Journal article
Publication Title:	IEEE Antennas and Wireless Propagation Letters
Creators:	Wagih, M., Wei, Y. and Beeby, S.
Publisher:	Institute of Electrical and Electronics Engineers (IEEE)
Date:	January 2019
Volume:	18
Number:	1
ISSN:	1536-1225
Identifiers:	Number Type 10.1109/lawp.2018.2880490 DOI
Divisions:	Schools > School of Science and Technology
Record created by:	Linda Sullivan
Date Added:	01 Jul 2019 14:25
Last Modified:	01 Jul 2019 14:25
URI:	https://irep.ntu.ac.uk/id/eprint/36986

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