Computationally efficient subspace-based method for direction estimation and tracking in array processing. - Jingmin Xin; Yoji Ohashi; Akira Sano (EUSIPCO, 2004)

Subspace-based adaptive direction estimation and tracking in multipath environment. - Jingmin Xin; Naoyuki Hirosaki; Hiroyuki Tsuji; Yoji Ohashi; Akira Sano (ICASSP (4), 2005)

Nonparametric method for detecting the number of narrowband signals without eigendecomposition in array processing. - Jingmin Xin; Yoji Ohashi; Akira Sano (EUSIPCO, 2006)

Analysis of joint transmit and receive antenna selection in arbitrary Nakagami-m fading channels. - Liang Zhou; Yoji Ohashi (APCC, 2011)

Fast and Efficient Transmit Antenna Selection Algorithms in Spatial Multiplexing Systems. - Liang Zhou; Yoji Ohashi (EW, 2012)

Efficient codebook-based MIMO beamforming for millimeter-wave WLANs. - Liang Zhou; Yoji Ohashi (PIMRC, 2012)

Design of non-uniform antenna arrays for robust millimeter-wave LOS MIMO communications. - Liang Zhou; Yoji Ohashi (PIMRC, 2013)

Recursive Joint Transmit and Receive Antenna Selection in Spatial Multiplexing Systems. - Liang Zhou; Yoji Ohashi (VTC Spring, 2013)

Low Complexity Linear Receivers for mmWave LOS-MIMO Systems with Uniform Circular Arrays. - Liang Zhou; Yoji Ohashi (VTC Fall, 2014)

Low complexity millimeter-wave LOS-MIMO precoding systems for uniform circular arrays. - Liang Zhou; Yoji Ohashi (WCNC, 2014)

Performance Analysis of mmWave LOS-MIMO Systems with Uniform Circular Arrays. - Liang Zhou; Yoji Ohashi (VTC Spring, 2015)

Fast Codebook-Based Beamforming Training for mmWave MIMO Systems with Subarray Structures. - Liang Zhou; Yoji Ohashi (VTC Fall, 2015)

Recent Activities of Japanese Microwave Industry. - Koji Yamanaka; Yasunori Suzuki; Shoichi Narahashi; Takaya Wada; Makoto Kawashima; Ken Takei; Kazutaka Takagi; Atsushi Honda; Zhengyi Li 001; Liang Zhou; Yoji Ohashi; Wataru Hattori; et al. (IEICE Trans. Electron., 2015)

Low Complexity Millimeter-Wave LOS-MIMO Systems with Uniform Circular Arrays for Small Cells Wireless Backhaul. - Liang Zhou; Yoji Ohashi; Makoto Yoshida (IEICE Trans. Commun., 2015)

Robust beamforming method for SDMA with interleaved subarray hybrid beamforming. - Shunsuke Fujio; Chikara Kojima; Toshihiro Shimura; Ken-ichi Nishikawa; Kazuyuki Ozaki; Zhengyi Li 001; Atsushi Honda; Shohei Ishikawa; Takenori Ohshima; Hiroshi Ashida; Masahiko Shimizu; Yoji Ohashi (PIMRC, 2016)

System validation of millimeter-wave beam multiplexing with interleaved hybrid beam-forming antennas. - Atsushi Honda; Shohei Ishikawa; Kazuyuki Ozaki; Shunsuke Fujio; Ken-ichi Nishikawa; Zhengyi Li 001; Chikara Kojima; Toshihiro Shimura; Hiroshi Ashida; Takenori Ohshima; Masahiko Shimizu; Yoji Ohashi (PIMRC, 2016)

Millimeter-wave beam multiplexing method using hybrid beamforming. - Masahiko Shimizu; Atsushi Honda; Shohei Ishikawa; Kazuyuki Ozaki; Shunsuke Fujio; Ken-ichi Nishikawa; Zhengyi Li 001; Chikara Kojima; Toshihiro Shimura; Hiroshi Ashida; Takenori Ohshima; Yoji Ohashi; et al. (PIMRC, 2016)

Hybrid precoding with data stream adaptation for high throughput mmWave MIMO systems. - Liang Zhou; Yoji Ohashi (WCNC, 2016)

Novel two-step beam search method for multi user millimeter-wave communication. - Chikara Kojima; Shunsuke Fujio; Kenichi Nishikawa; Kazuyuki Ozaki; Zhengyi Li 001; Atsushi Honda; Shohei Ishikawa; Takenori Ohshima; Hiroshi Ashida; Toshihiro Shimura; Masahiko Shimizu; Yoji Ohashi (PIMRC, 2017)

Multi-user mmWave communication by interleaved beamforming with inter-subarray coding. - Zhengyi Li 001; Atsushi Honda; Toshihiro Shimura; Kazuyuki Ozaki; Shohei Ishikawa; Chikara Kojima; Shunsuke Fujio; Ken-ichi Nishikawa; Hiroshi Ashida; Takenori Ohshima; Masahiko Shimizu; Yoji Ohashi (PIMRC, 2017)