BER performance of coherent-QPSK transmissions affected by phase noise from frequency converters. - Kiyoshi Hamaguchi; Yozo Shoji; Hiroyo Ogawa (VTC Fall, 2001)

One-way multimode transmission using block-coded modulation for mobile communications. - Eiji Okamoto; Hiroyo Ogawa (VTC Fall, 2001)

A new approach to array beamforming using local scattering modeling. - Hiroyuki Tsuji; Kenichi Yamada; Hiroyo Ogawa (VTC Fall, 2001)

60 GHz band 64 QAM/OFDM terrestrial digital broadcasting signal transmission by using millimeter-wave self-heterodyne system. - Yozo Shoji; Mamoru Nagatsuka; Kiyoshi Hamaguchi; Hiroyo Ogawa (IEEE Trans. Broadcast., 2001)

A block-coded modulation method for one-way multimode data transmission. - Eiji Okamoto; Hiroyo Ogawa (IEEE Trans. Commun., 2002)

Theoretical study on the intermodulation interference between wide-band mobile radio systems and narrow-band mobile radio systems. - Isao Nakazawa; Yoshiaki Kobayashi; Ryoichi Shimada; Toshikazu Youkai; Tatsuaki Hamai; Kaoru Murakami; Hiroyo Ogawa (WCNC, 2004)

Automatic Threshold Control for ASK Millimeter-Wave Transceivers. - Osamu Anegawa; Kiyoshi Hamaguchi; Hiroyo Ogawa (IEICE Trans. Commun., 2005)

Development of Ultra-Wideband Short-Range Impulse Radar System for Vehicular Applications. - Kiyoshi Hamaguchi; Hiroyo Ogawa; Takehiko Kobayashi; Ryuji Kohno (IEICE Trans. Electron., 2005)

Fiber-Optic Broadband Signal Distribution Link Based on a Millimeter-Wave Self-Heterodyne Transmission/Optical Remote Heterodyne Detection Technique. - Yozo Shoji; Yoshihiro Hashimoto; Hiroyo Ogawa (IEICE Trans. Electron., 2005)

24-GHz ultra-wideband short-range impulse radar for vehicular applications. - Hiroyo Ogawa (CCNC, 2006)

Design and Performance of 32 GHz Portable Broadband Wireless Access System. - Kiyoshi Hamaguchi; Hiroyo Ogawa (VTC Fall, 2006)

Network and access technologies for new generation mobile communications - overview of National R&D Project in NICT. - Fumiyuki Adachi; Hiromitsu Wakana; Hiroyuki Morikawa; Masahiro Kuroda; Hiroshi Harada; Shunkichi Isobe; Ryu Miura; Hiroyo Ogawa (Wirel. Commun. Mob. Comput., 2007)

Land Mobile Communication Systems: Phased-Array Antennas. - Ami Kanazawa; Ryu Miura; Hiroyo Ogawa; Masato Tanaka; Hiroyuki Tsuji (Encyclopedia of Wireless and Mobile Communications, 2008)

Implementation of an OFDM baseband with adaptive modulations to grouped subcarriers for millimeter-wave wireless indoor networks. - Chang-Soon Choi; Yozo Shoji; Hiroyo Ogawa (IEEE Trans. Consumer Electron., 2011)

Standardization Activities for Radio on Fiber Transmitter within IEC TC103/WG5. - Satoru Kurokawa; Junichiro Ichikawa; Tetsuya Kawanishi; Hiroyo Ogawa (IEICE Trans. Electron., 2013)

Radio-on-terahertz over fiber system for future mobile fronthauling. - Atsushi Kanno; Pham Tien Dat; Iwao Hosako; Tetsuya Kawanishi; Hiroyo Ogawa (GLOBECOM, 2014)

90-GHz band propagation characteristics in viaduct environment for railway radiocommunication system between train and trackside. - Hirokazu Sawada; Kentaro Ishizu; Fumihide Kojima; Hiroyo Ogawa; Kazuki Nakamura; Nagateru Iwasawa; Kunihiro Kawasaki; Nobuhiko Shibagaki (WPMC, 2017)