Hiromasa Fujii

According to our database, Hiromasa Fujii authored at least 20 papers between 2005 and 2012.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

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

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

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

Proceedings of the 75th IEEE Vehicular Technology Conference, 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

Proceedings of the 18th Asia-Pacific Conference on Communications, 2012

Novel cognitive radio technique for using white space in public cellular networks.

Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama

Proceedings of the 18th Asia-Pacific Conference on Communications, 2012

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

Achievable Capacity of Open-Access Cognitive Radio Systems Coexisting with a Macro Cellular System.

Hiromasa Fujii, Hiroki Harada, Shunji Miura, Hidetoshi Kayama

Proceedings of the 74th IEEE Vehicular Technology Conference, 2011

Achievable capacity of cognitive radio systems coexisting with a macro cellular system.

Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama

Proceedings of the 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2011

2010

Capacity and Outage Rate of OFDMA Cellular System with Fractional Frequency Reuse.

Hiromasa Fujii, Hitoshi Yoshino

IEICE Trans. Commun., 2010

Optimum Weighting for Adaptive Array Antennas under Spectrum Sharing Environments.

Hiromasa Fujii, Takahiro Asai, Tomoyuki Ohya

Proceedings of the 71st IEEE Vehicular Technology Conference, 2010

2009

Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and Achievable Capacity.

Hiromasa Fujii, Hitoshi Yoshino

IEICE Trans. Commun., 2009

Method for Estimating Representative Values of Clutter Heights for Recommendation ITU-R P.452.

Hiromasa Fujii, Akio Sato

Proceedings of the 70th IEEE Vehicular Technology Conference, 2009

An adaptive soft clipping method for spectrum sharing OFDMA systems.

Toshihisa Fujiwara, Shigeru Tomisato, Masaharu Hata, Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura

Proceedings of the IEEE 20th International Symposium on Personal, 2009

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

Proceedings of the 4th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2009

2008

Theoretical Capacity and Outage Rate of OFDMA Cellular System with Fractional Frequency Reuse.

Hiromasa Fujii, Hitoshi Yoshino

Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and its Achievable Capacity.

Hiromasa Fujii, Hitoshi Yoshino

Proceedings of the 3rd International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2008

2007

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

2006

Sequential Search Method with Different Thresholds for Clipped Power for OFDM Signal.

Jiyun Shen, Hiromasa Fujii, Takahiro Asai, Hitoshi Yoshino

Proceedings of the 63rd IEEE Vehicular Technology Conference, 2006

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

Peripheral-state sense multiple access/interference control (PSMA/IC) for distributed radio resource management.

Hiromasa Fujii, Takatosi Sugiyama, Hitoshi Yoshino

Proceedings of the IEEE 16th International Symposium on Personal, 2005