Kazuumi Koguchi

According to our database, Kazuumi Koguchi authored at least 4 papers between 2003 and 2014.

Collaborative distances:

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

2014

3×ONU no-guard-band coherent OFDMA-PON uplink over 40km SMF link using real-time IFDMA transmitter with free-running 100kHz linewidth source.

Yuki Yoshida, Akihiro Maruta, Kenji Ishii, Kiyoshi Onohara, Yuji Akiyama, Masaki Noda, Masamichi Nogami, Kazuumi Koguchi, Takashi Mizuochi, Ken-ichi Kitayama

Proceedings of the European Conference on Optical Communication, 2014

2013

Implementation of Power-Efficient ONU for Elastic-Bandwidth IFDMA-PON Uplink by Employing Polar-Coordinate Transformed PSK Mapping [Invited].

Kenji Ishii, Kiyoshi Onohara, Yuji Akiyama, Masaki Noda, Masamichi Nogami, Kazuumi Koguchi, Yuki Yoshida, Akihiro Maruta, Takashi Mizuochi, Ken-ichi Kitayama

JOCN, 2013

Elastic and green optical access based upon coherent interleaved frequency division multiple access (IFDMA).

Ken-ichi Kitayama, Yuki Yoshida, Akihiro Maruta, Kenji Ishii, Yuji Akiyama, Masaki Noda, Kazuumi Koguchi, Masamichi Nogami, Kiyoshi Onohara, Takashi Mizuochi

Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013

2003

QoS evaluation of VoIP end-points.

Wenyu Jiang, Kazuumi Koguchi, Henning Schulzrinne

Proceedings of IEEE International Conference on Communications, 2003