Guowen Chen, Xiongmin Hu, Rui-Sen Chen, Sai-Wai Wong, Long Zhang, Yejun He, Eric S. Li, Yin Li, Li Yu. A Filtering Slot Antenna by the Air-Filled Annular Waveguide Structure. In Computing, Communications and IoT Applications, ComComAp 2019, Shenzhen, China, October 26-28, 2019. pages 190-192, IEEE, 2019. [doi]
Abstract is missing.