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- Title
Remote‐controlled reconfigurable hexa‐band antenna for radio frequency energy harvesting systems.
- Authors
Siddique, Shadab Azam; Kumar, H. Venkatesh; S, Chethana Gosal; Mishra, Brijesh; Narayaswamy, Nagesh Kallollu
- Abstract
Summary: In this paper, a compact (15.5 × 32 mm2) reconfigurable microstrip antenna with hexa‐band operation for radio frequency (RF) energy harvesting applications is presented. Three PIN diodes (D3, D2, and D1) for switching action and internet of things (IoT) controlled unit for controlling the resonating frequency of the proposed antenna are used. The antenna resonates at 2.1 and 3.4 GHz (010 state), 3.3 GHz (100 state), 3.2 GHz (101 state), 3 GHz (110 state), and 2.8 GHz (111 state). The proposed antenna exhibits −10 dB simulated and measured impedance bandwidth of 150, 400, 480, 570, 370, and 400 MHz and 120, 410, 400, 470, 320, and 356 MHz in states‐010, 100, 101, 110, and 111, respectively. A maximum peak gain of 3.3 dBi and maximum bandwidth of 570 MHz at 3.2 GHz (101 state) is observed. The proposed antenna is further tested for harvested power, and maximum harvested voltage of 3.9 V, maximum harvested power of 3.013 mW, and 55.07% power conversion efficiency at 20‐dBm power source are recorded. The simulated results have been validated with experimental results.
- Subjects
RADIO antennas; RADIO frequency; ENERGY harvesting; MICROSTRIP antennas; PIN diodes; INTERNET of things; ANTENNAS (Electronics)
- Publication
International Journal of Circuit Theory & Applications, 2022, Vol 50, Issue 2, p496
- ISSN
0098-9886
- Publication type
Article
- DOI
10.1002/cta.3144