Metamaterial beam scanning leaky-wave antenna based on quarter mode substrate integrated waveguide structure

Wu Guo-Cheng^†, Wang Guang-Ming, Fu Xiao-Long, Liang Jian-Gang, Bai Wei-Xiong

(color online) Simulated and measured normalized radiation patterns of the designed periodic LWA, showing (a) backward radiation (8.9 GHz and 9.5 GHz) and (b) forward radiation (11.0 GHz and 11.8 GHz).