Publication: Publication Date: 2018/02/01 Vol. E101-BNo. 2pp. 349-356 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2016) Category: Antennas Keyword: waffle-iron, ridge, waveguide, fast-wave, slow-wave, wavelength, impedance, array antenna, gain,
Publication: Publication Date: 2017/02/01 Vol. E100-BNo. 2pp. 219-226 Type of Manuscript: Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Realization of Next Generation Wireless Systems) Category: Keyword: waffle-iron, ridge, waveguide, fast wave, slow wave, wavelength, array antenna,