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Title	High Gain Antenna Design Of A Rectenna System For Rf Energy Harvesting In Smart City Applications
ID_Doc	29048
Authors	Jan N.; Ashraf S.; Sheikh J.A.
Year	2022
Published	2022 5th International Conference on Multimedia, Signal Processing and Communication Technologies, IMPACT 2022
DOI	http://dx.doi.org/10.1109/IMPACT55510.2022.10029229
Abstract	This work presents a microstrip line fed patch antenna design for effective Radio frequency energy harvesting (RFEH) rectenna system at 3.5 GHz WiMAX applications with 40 × 35 mm2 as an overall size of the antenna. The prospective antenna structure is a rectangular patch antenna with four slots etched on the radiator and active elements introduced in the diagonal slots. Furthermore, a defective ground structure (DGS) is introduced resulting in improved impedance bandwidth and a gain of 5.47 dB is achieved. The E-plane which corresponds to radiation exhibits the characteristics of directional radiation pattern while the H-plane showcases an omnidirectional pattern. The results exhibit that the designed antenna has an impedance bandwidth of 1.54 GHz and a high gain of 5.47 dB. The antenna is designed using the High Frequency Structure Simulator (HFSS). © 2022 IEEE.
Author Keywords	DGS; Rectifying antenna; Return loss; RFEH; WiMAX

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