Chikara Kojima

According to our database, Chikara Kojima authored at least 8 papers between 2002 and 2017.

Collaborative distances:

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

2017

Multi-user mmWave communication by interleaved beamforming with inter-subarray coding.

Zhengyi Li, Atsushi Honda, Toshihiro Shimura, Kazuyuki Ozaki, Shohei Ishikawa, Chikara Kojima, Shunsuke Fujio, Ken-ichi Nishikawa, Hiroshi Ashida, Takenori Ohshima, Masahiko Shimizu, Yoji Ohashi

Proceedings of the 28th IEEE Annual International Symposium on Personal, 2017

Novel two-step beam search method for multi user millimeter-wave communication.

Chikara Kojima, Shunsuke Fujio, Kenichi Nishikawa, Kazuyuki Ozaki, Zhengyi Li, Atsushi Honda, Shohei Ishikawa, Takenori Ohshima, Hiroshi Ashida, Toshihiro Shimura, Masahiko Shimizu, Yoji Ohashi

Proceedings of the 28th IEEE Annual International Symposium on Personal, 2017

2016

Millimeter-wave beam multiplexing method using hybrid beamforming.

Masahiko Shimizu, Atsushi Honda, Shohei Ishikawa, Kazuyuki Ozaki, Shunsuke Fujio, Ken-ichi Nishikawa, Zhengyi Li, Chikara Kojima, Toshihiro Shimura, Hiroshi Ashida, Takenori Ohshima, Yoji Ohashi, Makoto Yoshida

Proceedings of the 27th IEEE Annual International Symposium on Personal, 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, Chikara Kojima, Toshihiro Shimura, Hiroshi Ashida, Takenori Ohshima, Masahiko Shimizu, Yoji Ohashi

Proceedings of the 27th IEEE Annual International Symposium on Personal, 2016

Robust beamforming method for SDMA with interleaved subarray hybrid beamforming.

Shunsuke Fujio, Chikara Kojima, Toshihiro Shimura, Ken-ichi Nishikawa, Kazuyuki Ozaki, Zhengyi Li, Atsushi Honda, Shohei Ishikawa, Takenori Ohshima, Hiroshi Ashida, Masahiko Shimizu, Yoji Ohashi

Proceedings of the 27th IEEE Annual International Symposium on Personal, 2016

2015

Access Point Initiated Approach for Interfered Node Detection in 802.11 WLANs.

Hiroshi Fujita, Kazuyuki Ozaki, Yun Wen, Yasuharu Amezawa, Chikara Kojima, Hideyuki Kobayashi

Proceedings of the IEEE 81st Vehicular Technology Conference, 2015

2002

Improvement of BPSK Space-Time Turbo Code with Full Rate and Full Antenna Diversity.

Chikara Kojima, Takahiko Saba

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002

Improvement of BPSK space-time turbo code with full antenna diversity.

Chikara Kojima, Takahiko Saba

Proceedings of the IEEE International Conference on Communications, 2002