Abstract
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°, 120°, or 240°, with a frequency tuning range of 31.9% at each of states. The antennas are fabricated and measured which successfully validate the operation concept.
| Original language | English |
|---|---|
| Pages (from-to) | 3806-3815 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Antennas and Propagation |
| Volume | 71 |
| Issue number | 5 |
| Early online date | 9 Feb 2023 |
| DOIs | |
| Publication status | Published - May 2023 |
Keywords
- Antenna radiation patterns
- Antennas
- Capacitance
- flexible antennas
- Frequency-reconfigurable antennas
- Integrated circuit modeling
- pattern-reconfigurable antennas
- polarization-reconfigurable antennas
- Switches
- textile antennas
- Tuning
- Varactors
- wearable antennas