"Jiro Hirokawa,Qi Li,Takashi Tomura,Nelson J. G. Fonseca","Recent Advances on Two-dimensional Orthogonal Switching Matrices with an Arbitrary Number of Beam","IEEE Applied Sensing Conf.",,,,,,2024,Jan.
"Qi Li,Jiro Hirokawa,Takashi Tomura,Nelson J. G. Fonseca","Two-Dimensional One-Body 3 × 3-Way Hollow-Waveguide Nolen Matrix Using a Two-Plane Unequal Division Coupler,",,"IEEE Trans. Microw. Theory Tech.",,"vol. 72","no. 1","pp. 376-390",2024,Jan.
"Qi Li","Study of two-plane couplers having arbitrary power ratio and their applications to two-dimensional beam switching matrices",,,,,,,2023,Sept.
"Qi Li","Study of two-plane couplers having arbitrary power ratio and their applications to two-dimensional beam switching matrices",,,,,,,2023,Sept.
"Qi Li","Study of two-plane couplers having arbitrary power ratio and their applications to two-dimensional beam switching matrices",,,,,,,2023,Sept.
"Qi Li,Jiro Hirokawa,Takashi Tomura","Two-plane waveguide coupler with arbitrary coupling ratios in the H-plane and E-plane directions",,"IET Microw. Antennas Propag.",,"vol. 17","no. 10","pp. 818-826",2023,Aug.
"Qi Li,Jiro Hirokawa,Takashi Tomura,Yuta Takahashi,Naoki Kita,Nelson J. G. Fonseca","A Two-Dimensional 6×4-Way Hollow Waveguide Beam-Switching Matrix",,"IEEE Access",,"vol. 11",,"pp. 74239-74249",2023,July
"JIRO HIROKAWA,Qi Li,Shengjia Wu,Takashi Tomura,Nelson J. G. Fonseca","任意のビーム数を有する1次元および2次元直交切替マトリックスの最近の進展","信学技報",,,,,,2023,June
"Qi Li,Jiro Hirokawa,Takashi Tomura","Design of a waveguide two-plane coupler with a different division ratio in horizontal and vertical directions","ISAP",,,,,,2022,Nov.
"Qi Li,Jiro Hirokawa,Takashi Tomura","Design Method of a Hollow-waveguide Two-plane Coupler with Unequal Division Ratio along with Horizontal and Vertical Direction","URSI-JRSM",,,,,,2022,Sept.
"Qi Li,Jiro Hirokawa,Takashi Tomura","Design of a Hollow-waveguide Two-plane Coupler with Unequal Division Ratio along with Horizontal and Vertical Directions","信学通信大",,,,,,2022,Sept.
"Ibrahim Abdo,Carrel da Gomez,Chun Wang,Kota Hatano,Qi Li,Chenxin Liu,Kiyoshi Yanagisawa,Ashbir Aviat Fadila,Takuya Fujimura,Tsuyoshi Miura,Korkut Kaan Tokgoz,Jian Pang,Hiroshi Hamada,Hideyuki Nosaka,Atsushi Shirane,Kenichi Okada","A Bi-Directional 300-GHz-Band Phased-Array Transceiver in 65-nm CMOS with Outphasing Transmitting Mode and LO Emission Cancellation",,"IEEE Journal of Solid-State Circuits (JSSC)",,"Vol. 57","No. 8","pp. 2292-2308",2022,Aug.
"Qi Li,Jiro Hirokawa,Takashi Tomura,Nelson J. G. Fonseca","A 3×3-way Hollow Waveguide Nolen Matrix Using a 2-plane Unbalanced Coupler","IEEE AP-S URSI Intl. Symp.",,,,,,2022,July
"Qi Li,Jiro Hirokawa,Takashi Tomura,Nelson J. G. Fonseca","A 3×3-way Hollow-waveguide Nolen Matrix Using a 2-plane Coupler with Unequal Power Division","IEICE General Conf.",,,,,,2022,Mar.
"Qi Li,Jiro Hirokawa,Takashi Tomura,Nelson J. G. Fonseca","Design of a Waveguide Two-plane Hybrid Coupler with Nonuniform Division","IEEE APS/URSI 2021",,,,,,2021,Dec.
"Ibrahim Imad ABDO,Carrel da Gomez,Chun Wang,Kota Hatano,Qi Li,Chenxin Liu,柳澤 潔,Ashbir Aviat Fadila,Pang Jian,Hiroshi Hamada,野坂 秀之,Atsushi Shirane,Kenichi Okada","300GHz帯CMOS双方向フェーズドアレイ送受信機","電子情報通信学会 LSIとシステムのワークショップ",,,,,,2021,May
"Jiro Hirokawa,Qi Li,Nelson J. G. Fonseca","Configurations of 2-D Beam-switching One-body Butler Matrices using 2-plane Couplers Generating a Triangular Lattice of Beams","信学総大",,,,,,2021,Mar.
"Qi Li,Jiro Hirokawa,Takashi Tomura,Nelson J. G. Fonseca","Design of a 2-plane Coupler with Unequal Division","信学総大",,,,,,2021,Mar.
"Ibrahim Abdo,Carrel Carrel,Chun Wang,Kota Hatano,Qi Li,Chenxin Liu,Kiyoshi Yanagisawa,Ashbir Aviat Fadila,Jian Pang,Hiroshi Hamada,Hideyuki Nosaka,Atsushi Shirane,Kenichi Okada","A 300GHz-Band Phased-Array Transceiver Using Bi-Directional Outphasing and Hartley Architecture in 65nm CMOS","IEEE International Solid-State Circuits Conference (ISSCC)",,,,,,2021,Feb.