Improving Elevation Estimation Accuracy in DOA Estimation: How Planar Arrays Can Be Modified into 3-D Configuration. - Hiroki Moriya; Koichi Ichige; Hiroyuki Arai; Takahiro Hayashi; Hiromi Matsuno; Masayuki Nakano (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

Low-cost antenna array via antenna switching for high resolution 2-D DOA estimation. - Yuki Doi; Hiroki Moriya; Koichi Ichige; Hiroyuki Arai; Takahiro Hayashi; Hiromi Matsuno; Masayuki Nakano (SiPS, 2013)

Cuboid array: A novel 3-D array configuration for high resolution 2-D DOA estimation. - Hiroki Moriya; Yuki Doi; Koichi Ichige; Hiroyuki Arai; Takahiro Hayashi; Hiromi Matsuno; Masayuki Nakano (SiPS, 2013)

High Resolution 2-D DOA Estimation by Low-Cost Antenna Array Based on Synthesized Covariance Matrix via Antenna Switching. - Yuki Doi; Hiroki Moriya; Koichi Ichige; Hiroyuki Arai; Takahiro Hayashi; Hiromi Matsuno; Masayuki Nakano (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

3-D array configuration using multiple regular tetrahedra for high-resolution 2-D DOA estimation. - Yuki Doi; Koichi Ichige; Hiroyuki Arai; Hiromi Matsuno; Masayuki Nakano (EUSIPCO, 2014)

Antenna switching based on the relation between the relative location of array elements for high resolution 2-D DOA estimation. - Yuki Doi; Koichi Ichige; Hiroyuki Arai; Hiromi Matsuno; Masayuki Nakano (ISCCSP, 2014)

Radio Wave Environment Analysis at Different Locations Based on Frequent Pattern Mining. - Nobuo Suzuki; Hiromi Matsuno (KES, 2017)

Location Estimation Algorithm for Multiple Wave Sources Using Power Gravity Points. - Hiromi Matsuno; Yoshio Kunisawa; Takahiro Hayashi (WPMC, 2020)

Radio Quality Estimation on Drone Flight Sites for High Reliable Operation. - Nobuo Suzuki; Hiromi Matsuno; Tatsuya Yoshioka; Toshinori Suzuki (WPMC, 2020)

Development of a Direction-variable Liquid Crystal Meta-surface Reflector. - Hiromi Matsuno; Takuya Ohto; Yoshiaki Amano; Mitsutaka Okita; Daiichi Suzuki; Kazuki Matsunaga; Shinichiro Oka (ICC, 2022)

Practical Evaluation Method for Large IRS: RCS Pattern Synthesis of Sub-IRS with Mutual Coupling. - Hiromi Matsuno; Tatsuya Nagao; Takuya Ohto; Takahiro Hayashi; Michihiro Harada (VTC Fall, 2022)

Reconfigurable Meta-surface Reflectors: Practical Phase Adjustment Method and Experimental Validation. - Takuya Ohto; Hiromi Matsuno; Yoshiaki Amano; Mitsutaka Okita; Daiichi Suzuki; Kazuki Matsunaga; Shinichiro Oka (VTC Spring, 2022)

TOA-Based Positioning Scheme for IRS-Assisted 5G Milimeter Wave Networks. - Tomofumi Kanno; Takuya Ohto; Hiromi Matsuno; Tatsuya Nagao; Takahiro Hayashi (VTC Fall, 2023)

Element Failure Correction for Reconfigurable Meta-surface Reflectors. - Takuya Ohto; Hiromi Matsuno; Takahiro Hayashi; Mitsutaka Okita; Daiichi Suzuki; Kazuki Matsunaga; Shinichiro Oka (VTC Fall, 2023)

Wide Beamwidth and High Gain Reflection Pattern Design Method for Intelligent Reflecting Surface. - Hiromi Matsuno; Takuya Ohto; Takahiro Hayashi; Mitsutaka Okita; Daiichi Suzuki; Kazuki Matsunaga; Shinichiro Oka (WCNC, 2023)

Development of a Dual-Polarized Direction-Variable Liquid-Crystal Meta-Surface Reflector for Intelligent Reflecting Surface. - Hiromi Matsuno; Takuya Ohto; Takahiro Hayashi; Yoshiaki Amano; Mitsutaka Okita; Daiichi Suzuki; Kazuki Matsunaga; Shinichiro Oka (IEEE Access, 2023)

Practical Evaluation Method of Large Size IRS: Synthesis of Reflection Pattern of Sub-IRS. - Hiromi Matsuno; Takuya Ohto; Tomofumi Kanno; Takahiro Hayashi (IEEE Access, 2023)

Dual Bands and Dual Polarization Reflectarray for Millimeter Wave Application by Supercell Structure. - Hiroshi Hashiguchi; Takumi Nishime; Naobumi Michishita; Hisashi Morishita; Hiromi Matsuno; Takuya Ohto; Masayuki Nakano (IEICE Trans. Commun., 2023)