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Copyright of Przegląd Elektrotechniczny is the property of Przeglad Elektrotechniczny and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The research explores the effect of modified Edge Couple Split Ring Resonator (EC-SRR) on the wideband microstrip patch antenna. Firstly, there are three different size of the EC-SRR, namely larger EC-SRR, normal EC-SRR and smaller EC-SRR had been structured first before located into the patch antenna. After that, a simple microstrip patch antenna of Design A had been simulated using the CST Microwave Studio software. Then, the addition of different number of modified EC-SRR on the side and above side of the patch. Beside the basic design of Design A, three different stages of addition of SRR are considered in this research. Design B, Design C and Design D consist of SRR addition at the edges, sides and above of patch. The wideband antenna resonates between 2.08 GHz to 3.45 GHz of frequency with – 24.271 dB of return loss at resonant frequency of 3.11 GHz. At 2.4 GHz of WLAN application, the return loss is – 15.154 dB. Design D shows the increment of the bandwidth compare all designs with 1.372 GHz (from 2.077 GHz 3.449 GHz) compare with Design A with only 0.645 GHz (from 2.307 GHz to 2.952 GHz). [ABSTRACT FROM AUTHOR]

This work focusing on the dual‐band antenna design with rectifying circuit for energy transfer system technology for enhancement gain performance. The air gap technique is applied on this microstrip antenna design work to enhance the antenna gain. The work begins with designing and analyzing the antenna via the CST Microwave Studio software. After validation on acceptable performance in simulation side is obtained, the return loss, S11 of the antenna is measured using vector network analyzer equipment. The rectifier circuit is used to convert the captured signal to DC voltage. This projected dual‐band antenna has successfully accomplished the target on return loss of −44.707 dB and −32.163 dB at dual resonant frequencies for 1.8 GHz and 2.4 GHz, respectively. This proposed antenna design benefits in low cost fabrication and has achieved high gain of 6.31 dBi and 7.82 dBi for dual‐band functioning frequencies. [ABSTRACT FROM AUTHOR]