期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 71, 期 5, 页码 3806-3815出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2023.3242459
关键词
Varactors; Antennas; Capacitance; Antenna radiation patterns; Tuning; Switches; Integrated circuit modeling; Flexible antennas; frequency-reconfigurable antennas; pattern-reconfigurable antennas; polarization-reconfigurable antennas; textile antennas; wearable antennas
A concept of multifunctional reconfigurable antennas for wearable applications is proposed, which consists of a textile circular patch with three varactor-loaded reconfigurable modules evenly distributed around its edge. Two designs, including a frequency and pattern-reconfigurable antenna and a frequency-and polarization-reconfigurable wearable textile antenna, are demonstrated. The antennas are fabricated and measured, confirming the operation concept.
A concept to realize multifunctional reconfigurable antennas for wearable applications is proposed. The general structure simply consists of a textile circular patch with three varactor-loaded reconfigurable modules evenly distributed around its edge. Based on the proposed concept, a frequency and pattern-reconfigurable antenna and a frequency-and polarization-reconfigurable wearable textile antenna are demonstrated. The first design is able to switch between broadside and omnidirectional radiation modes with frequency fractional tuning ranges of 57.3% and 27.2%, respectively. The second design radiates in the broadside mode with the ability to switch its linear polarization between 0 degrees, 120 degrees, or 240 degrees, with a frequency tuning range of 31.9% at each of states. The antennas are fabricated and measured which successfully validate the operation concept.
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