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International Journal of Antennas and Propagation
Volume 2015 (2015), Article ID 359670, 7 pages
Research Article

Substrate Integrated Waveguide Leaky-Wave Antenna Conforming to Conical Shape Surface

1Fundamental Science on Extreme High Frequency Laboratory, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
2State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China

Received 28 August 2014; Accepted 22 October 2014

Academic Editor: Guo Qing Luo

Copyright © 2015 W. N. Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A conical conformal leaky-wave antenna based on substrate integrated waveguide (SIW) technology is proposed and demonstrated in this paper. This antenna conforms to a conical shape surface with the angle of 40°. It has a narrow beam that scans from 80° to 97° with varying frequency (34 GHz~37 GHz). Both conformal and nonconformal antennas are fabricated through the standard PCB process. Their performances are compared within the desired frequency.