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ABSTRACT
This paper presents a 2.45 GHz harmonic suppression rectangular patch antenna with circularly polarized for wireless power transfer applications. The miniaturized proximity-coupled antenna has the advantage of excellent higher harmonic suppression of up to −3 dB at harmonic frequency. This characteristic is achieved by introducing a U-slot and the symmetrical arm of inverted U-stub embedded on the transmission feed line. The overall size of the proposed antenna gives 36% reduction of substrate area as compared to conventional designs. The antenna is designed, optimized, and simulated on FR-4 substrate of dielectric constant 4.3, loss tangent 0.019, and height 1.6 mm offering moderate gain and good axial ratio of 1.48 dB. Details of the simulated and experimental characteristics of the antenna are presented and discussed.
ACKNOWLEDGEMENTS
The authors would like to express their thanks to the anonymous reviewers for their careful reading of the research article, and their constructive suggestions for the improvement of our work. The work was supported by UTeM under research grants FRGS/1/2015/TK04/FKEKK/02/F00264.
DISCLOSURE STATEMENT
No potential conflict of interest was reported by the authors.
Additional information
Funding
Notes on contributors
Nurzaimah Zainol
Nurzaimah Zainol was born in Hospital Besar Alor Setar, Kedah, in 1991. She received the Bachelor's degree in electronic engineering from the Universiti Teknikal Malaysia Melaka, in 2014, and is now pursuing her master's studies at that institution. Her current research interests include antenna and energy harvesting system.
E-mail: [email protected]
Zahriladha Zakaria
Zahriladha Zakaria, PhD, MIEEE, BEM,Grad IEM was born in Malaysia in 1975. He received the BEng and MEng degrees in Electrical and Electronic Engineering from the Universiti Teknologi Malaysia, in 1998 and 2004, respectively. He obtained his Doctorate degree from the University of Leeds in 2010 in the area of Microwave Engineering. From 1998 to 2002, he was with STMicroelectronics, based in Malaysia where he worked as a product engineer. He is currently an associate professor at the Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, where he teaches electronic system, communication principles, microwave engineering, advanced TCP/IP, and signal processing. His research interests include a variety of microwave device development such as planar and non-planar microwave filters, amplifiers, and antennas. He also investigates data communication and radiowave propagation in wireless communication systems.
E-mail: [email protected]
Maisarah Abu
Maisarah Abu was born in Malacca, Malaysia on November 10, 1977. She studied electrical engineering and graduated with Bachelor of Engineering from Universiti Teknologi MARA (UiTM) in 2001. Then, she received her Masters degree from the Universiti Kebangsaan Malaysia (UKM) in 2003. In 2012, she received her PhD degree from the Universiti Teknologi Malaysia (UTM) for her thesis on Antenna and Artificial Magnetic Conductor for RFID Application. She was employed as a lecturer at the Universiti Teknikal Malaysia Melaka since 2003. Dr Maisarah was the head of the Telecommunication Engineering Department and now, she is a senior lecturer with research interests of RF, microwave, and antenna with metamaterial (EBG, AMC, and FSS) and RFID. She was responsible as the Opening Ceremony Chair and Registration Chair for the international conference IEEE AP/MTT/EMC Malaysia Section-APACE 2012 and RFM 2013. She was involved in the AP/MTT/EMC Malaysia section as an executive comittee in the year 2013.
E-mail: [email protected]
Mawarni Mohamed Yunus
Mawarni Mohamed Yunus received the BEng and MEng degrees in Telecommunication Engineering from the Universiti Kebangsaan Malaysia, in 2007 and 2011, respectively. Her research interests include miniature antenna or PIFA (planar inverted-F antenna). Now, pursuing PhD degree in radiowave propagation.
E-mail: [email protected]