Peripheral-state sense multiple access/interference control (PSMA/IC) for distributed radio resource management. - Hiromasa Fujii; Takatosi Sugiyama; Hitoshi Yoshino (PIMRC, 2005)

Performance Enhancement of SC/S-MMSE Turbo Receiver for MIMO-SDM/OFDM Transmission. - Tetsushi Abe; Hiromasa Fujii; Hirohito Suda; Shigeru Tomisato (IEICE Trans. Commun., 2005)

Sequential Search Method with Different Thresholds for Clipped Power for OFDM Signal. - Jiyun Shen; Hiromasa Fujii; Takahiro Asai; Hitoshi Yoshino (VTC Spring, 2006)

Peak Reduction Improvement in Iterative Clipping and Filtering with a Graded Band-Limiting Filter for OFDM Transmission. - Toshiyuki Matsuda; Shigeru Tomisato; Masaharu Hata; Hiromasa Fujii; Junichiro Hagiwara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and its Achievable Capacity. - Hiromasa Fujii; Hitoshi Yoshino (CrownCom, 2008)

Theoretical Capacity and Outage Rate of OFDMA Cellular System with Fractional Frequency Reuse. - Hiromasa Fujii; Hitoshi Yoshino (VTC Spring, 2008)

Capacity achievable by spectrum sharing with adaptive transmit power control: Based on field measurements. - Hiromasa Fujii; Takahiro Asai; Yukihiko Okumura; Ryoko Kawauchi; Ikuo Hiradate; Hayato Akazawa; Takayuki Sotoyama (CrownCom, 2009)

An adaptive soft clipping method for spectrum sharing OFDMA systems. - Toshihisa Fujiwara; Shigeru Tomisato; Masaharu Hata; Hiromasa Fujii; Takahiro Asai; Yukihiko Okumura (PIMRC, 2009)

Method for Estimating Representative Values of Clutter Heights for Recommendation ITU-R P.452. - Hiromasa Fujii; Akio Sato (VTC Fall, 2009)

Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and Achievable Capacity. - Hiromasa Fujii; Hitoshi Yoshino (IEICE Trans. Commun., 2009)

Optimum Weighting for Adaptive Array Antennas under Spectrum Sharing Environments. - Hiromasa Fujii; Takahiro Asai; Tomoyuki Ohya (VTC Spring, 2010)

Capacity and Outage Rate of OFDMA Cellular System with Fractional Frequency Reuse. - Hiromasa Fujii; Hitoshi Yoshino (IEICE Trans. Commun., 2010)

Achievable capacity of cognitive radio systems coexisting with a macro cellular system. - Hiromasa Fujii; Shunji Miura; Hidetoshi Kayama (CrownCom, 2011)

Achievable Capacity of Open-Access Cognitive Radio Systems Coexisting with a Macro Cellular System. - Hiromasa Fujii; Hiroki Harada; Shunji Miura; Hidetoshi Kayama (VTC Fall, 2011)

An Iterative Peak Power Reduction Method with Adaptive Intermediary Over-Sampling for Wireless OFDMA Systems. - Kazuhiko Fujimoto; Shigeru Tomisato; Masaharu Hata; Hiromasa Fujii (IEICE Trans. Commun., 2011)

Novel cognitive radio technique for using white space in public cellular networks. - Hiromasa Fujii; Shunji Miura; Hidetoshi Kayama (APCC, 2012)

An adaptive non-linear distortion noise control method for spectrum sharing systems. - Seiichiro Okamoto; Shigeru Tomisato; Hiromasa Fujii; Masaharu Hata; Shunji Miura; Hidetoshi Kayama (APCC, 2012)

Non-Linear Distortion Noise Control by Clipping and Filtering in Spectrum Sharing Systems. - Seiichiro Okamoto; Shigeru Tomisato; Hiromasa Fujii; Masaharu Hata; Shunji Miura; Hidetoshi Kayama (VTC Spring, 2012)

Achievable Capacity of Closed/Open-Access Cognitive Radio Systems Coexisting with a Macro Cellular Systems. - Hiromasa Fujii; Hiroki Harada; Shunji Miura; Hidetoshi Kayama (IEICE Trans. Commun., 2012)

Development and Experimental Evaluation of Cyclostationarity-Based Signal Identification Equipment for Cognitive Radios. - Hiroki Harada; Hiromasa Fujii; Shunji Miura; Hidetoshi Kayama; Yoshiki Okano; Tetsuro Imai (IEICE Trans. Commun., 2012)