Yuki Kimura, Sakuyoshi Saito, Yuichi Kimura, Tatsuya Fukunaga. Radiation Properties of Wideband Multi-Ring Microstrip Antennas Fed by an L-Probe for Single- and Dual-Band Operations. IEICE Trans. Commun., 104-B(7):858-864, July 2021. [doi]
Abstract is missing.