Please use this identifier to cite or link to this item: https://doi.org/10.1109/APS.2012.6348552
Title: SIW-based slot array antenna and power management circuit for wireless energy harvesting applications
Authors: Mishra, T.
Panda, S.K. 
Karim, M.F.
Ong, L.C.
Chiam, T.M.
Keywords: power management
slot array antenna
Substrate integrated waveguide
synchronous boost converter
Issue Date: 2012
Citation: Mishra, T.,Panda, S.K.,Karim, M.F.,Ong, L.C.,Chiam, T.M. (2012). SIW-based slot array antenna and power management circuit for wireless energy harvesting applications. IEEE Antennas and Propagation Society, AP-S International Symposium (Digest) : -. ScholarBank@NUS Repository. https://doi.org/10.1109/APS.2012.6348552
Abstract: This paper describes a SIW based slot array antenna and power management circuit for wireless energy harvesting applications. The circuit integrates a high gain linear polarized 1x2 slot array antenna and a power management circuit to form an efficient energy harvesting system. The antenna is designed at 2.4 GHz based on substrate integrated waveguide (SIW) technology. The antenna element comprises of 3 slots cut on a patch compared to the conventional designs [1]-[2], which has resulted in increased operating bandwidth. A half bridge rectifier comprising of one low threshold schottky diode has been used to minimize the losses through the device at high frequency. The power management circuit implements a synchronous boost converter consisting of one pair of complementary MOSFETs to reduce loss in power stages and improve efficiency of the overall system. The measured results show that with input power of 20 dBm the output voltage is 412 mV. The simulated gain of the antenna is 8.2 dB and 10 dB bandwidth of 62.7 MHz with a return ratio (S11) less than 20 dB at resonant frequency. © 2012 IEEE.
Source Title: IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
URI: http://scholarbank.nus.edu.sg/handle/10635/71790
ISBN: 9781467304627
ISSN: 15223965
DOI: 10.1109/APS.2012.6348552
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