Investigation of single-hop connections between user terminals in geostationary mobile satellite communication systems. - Kazuhito Ebina; Nobuyuki Kataoka; Masazumi Ueba; Hideki Mizuno (GLOBECOM, 2001)

Bi-directional multimedia satellite communication system employing superposed transmission. - Hideki Toshinaga; Kiyoshi Kobayashi; Kohei Ohata; Masazumi Ueba; Hideki Mizuno (GLOBECOM, 2001)

Enhanced multi-correlator AFC for fast and wide range frequency acquisition. - Fumihiro Yamashita; Kiyoshi Kobayashi; Masazumi Ueba (PIMRC, 2003)

On-frequency gap-filler using adaptive tracking null controller for next generation mobile satellite communication systems. - Tomihiko Yoshida; Kiyoshi Kobayashi; Kohei Ohata; Masazumi Ueba (PIMRC, 2005)

Variable Polarization/Frequency Division Multiplexing (VPFDM) for Satellite Communications. - Fumihiro Yamashita; Kiyoshi Kobayashi; Masazumi Ueba; Yozo Takeda; Kiyotake Ando (VTC Fall, 2006)

Capacity and quality enhancement using an adaptive resource allocation for multi-beam mobile satellite communication systems. - Katsuya Nakahira; Kiyoshi Kobayashi; Masazumi Ueba (WCNC, 2006)

Layer 3 Diversity Reception Technology for Ku-Band Mobile Satellite Communication Systems. - Fumiaki Nagase; Jin Mitsugi; Masayoshi Nakayama; Masazumi Ueba (IEICE Trans. Commun., 2006)

Communication Capacity and Quality Enhancement Using a Two-Layered Adaptive Resource Allocation Scheme for Multi-Beam Mobile Satellite Communication Systems. - Katsuya Nakahira; Kiyoshi Kobayashi; Masazumi Ueba (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Seamless Symbol Rate Switching Scheme for Multi-Rate FDMA Modem. - Fumihiro Yamashita; Kiyoshi Kobayashi; Kohei Ohata; Masazumi Ueba (IEICE Trans. Commun., 2006)

A Resource Allocation Scheme for QoS Provision in Multi-beam Mobile Satellite Communication Systems. - Katsuya Nakahira; Kiyoshi Kobayashi; Masazumi Ueba (WCNC, 2007)

Comparative Studies in Key Disagreement Correction Process on Wireless Key Agreement System. - Toru Hashimoto; Takashi Itoh; Masazumi Ueba; Hisato Iwai; Hideichi Sasaoka; Kazukuni Kobara; Hideki Imai (WISA, 2007)

Deformed Antenna Pattern Compensation Technique for Multi-Beam Antennas in Broadband and Scalable Mobile Communications Satellites. - Yoshinori Suzuki; Satoshi Harada; Kiyoshi Kobayashi; Masazumi Ueba (IEICE Trans. Commun., 2007)

Proposal of band-limited divided-spectrum single carrier transmission for dynamic spectrum controlled access in ISM band. - Yasuo Suzuki; Makoto Taromaru; Kazuto Yano; Masazumi Ueba (PIMRC, 2009)

Area throughput enhancement of OFDM-based wireless LAN in OBSS environment by physical header modification and adaptive array antenna. - Kazuto Yano; Satoshi Tsukamoto; Makoto Taromaru; Masazumi Ueba (PIMRC, 2009)

A Prototype Modem for Hyper-Multipoint Data Gathering SATCOM Systems - A Group Modem Applicable to Arbitrarily and Dynamically Assigned FDMA Signals -. - Kiyoshi Kobayashi; Fumihiro Yamashita; Jun-ichi Abe; Masazumi Ueba (IEICE Trans. Commun., 2009)

Performance of Pre-FFT Type MMSE Adaptive Array Antenna with Iterative Weight Update in Presence of Sporadic Intra-System Interference. - Kazuto Yano; Makoto Taromaru; Masazumi Ueba (IEICE Trans. Commun., 2009)

Highly Accurate Inclinometer Robust to Ultralow-Frequency Acceleration Disturbances and Applications to Autotracking Antenna Systems for Vessels. - Tomihiko Yoshida; Kohei Ohata; Masazumi Ueba (IEEE Trans. Instrum. Meas., 2009)

60-GHz-Band Switched-Beam Eight-Sector Antenna with SP8T Switch for 180° Azimuth Scan. - Amane Miura; Masataka Ohira; Shoichi Kitazawa; Masazumi Ueba (IEICE Trans. Commun., 2010)

Switchable Multi-Frequency MMIC Oscillator for the 60 GHz Millimeter Wave Band. - Eddy Taillefer; Shoichi Kitazawa; Masazumi Ueba (IEICE Trans. Electron., 2010)

Progress in and Prospects of On-Board Communication Equipment Technologies for Communications Satellites in Japan. - Masazumi Ueba; Akihiro Miyasaka; Yoshinori Suzuki; Fumihiro Yamashita (IEICE Trans. Commun., 2017)