A survey of various enhancement techniques for square rings antennas Abdul Rashid O. Mumin, Rozlan Alias, Jiwa Abdullah, Raed Abdulkareem Abdulhasan, Jawad Ali, Samsul Haimi Dahlan, and Abdisamad A. Awaleh Citation: AIP Conference Proceedings 1883, 020011 (2017); doi: 10.1063/1.5002029 View online: http://dx.doi.org/10.1063/1.5002029 View Table of Contents: http://aip.scitation.org/toc/apc/1883/1 Published by the American Institute of Physics Articles you may be interested in Fast switching wideband rectifying circuit for future RF energy harvesting AIP Conference Proceedings 1883, 020015 (2017); 10.1063/1.5002033