期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 22, 期 3, 页码 531-535出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2022.3217256
关键词
Antennas; Resonant frequency; Antenna measurements; Varactors; Substrates; Capacitance; Tuning; Dual-band antennas; frequency-reconfigurable antennas; independent tuning; wearable flexible antennas
This letter presents a dual-band frequency-reconfigurable flexible textile and foam antenna with independent tunability. The antenna operates simultaneously in a TMz0(0.5)0 mode and a higher order mode at the 2.45 and 5.8 GHz bands. It has a relative frequency tuning range of 41.1% at the lower band and 29.9% at the higher band. The fabricated antenna prototype maintains robust performance in various bending configurations, suggesting its practicality for wearable applications.
A dual-band frequency-reconfigurable flexible textile and foam antenna with independent tunability is presented in this letter. The proposed antenna operates simultaneously in a TMz0(0.5)0 mode and a higher order mode with individual fre-quency tunability centered at the 2.45 and 5.8 GHz industrial, scientific, and medical bands. The relative frequency tuning range at the lower band is 41.1%, while that at the higher band is 29.9%. The antenna is fabricated and measured to validate the concept. The antenna prototype operates as expected and maintains robust performance in various bending configurations through its individual dual-band frequency reconfigurability, which suggests its practicality for wearable applications.
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