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Koichi Ishihara
Koichi Ishihara
NTT
Verified email at m.ieice.org
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Cited by
Year
102.3-Tb/s (224× 548-Gb/s) C-and extended L-band all-Raman transmission over 240 km using PDM-64QAM single carrier FDM with digital pilot tone
A Sano, T Kobayashi, S Yamanaka, A Matsuura, H Kawakami, ...
National Fiber Optic Engineers Conference, PDP5C. 3, 2012
2412012
Coherent optical single carrier transmission using overlap frequency domain equalization for long-haul optical systems
R Kudo, T Kobayashi, K Ishihara, Y Takatori, A Sano, Y Miyamoto
Journal of Lightwave Technology 27 (16), 3721-3728, 2009
2302009
No-guard-interval coherent optical OFDM for 100-Gb/s long-haul WDM transmission
A Sano, E Yamada, H Masuda, E Yamazaki, T Kobayashi, E Yoshida, ...
Journal of Lightwave Technology 27 (16), 3705-3713, 2009
2262009
240-Gb/s polarization-multiplexed 64-QAM modulation and blind detection using PLC-LN hybrid integrated modulator and digital coherent receiver
A Sano, T Kobayashi, K Ishihara, H Masuda, S Yamamoto, K Mori, ...
2009 35th European Conference on Optical Communication 2009, 1-2, 2009
982009
Frequency-domain equalisation without guard interval for optical transmission systems
K Ishihara, T Kobayashi, R Kudo, Y Takatori, A Sano, E Yamada, ...
Electronics Letters 44 (25), 1480-1482, 2008
672008
13.4-Tb/s (134× 111-Gb/s/ch) no-guard-interval coherent OFDM transmission over 3,600 km of SMF with 19-ps average PMD
A Sano, E Yamada, H Masuda, E Yamazaki, T Kobayashi, E Yoshida, ...
2008 34th European Conference on Optical Communication, 1-2, 2008
562008
Frequency-domain ICI cancellation with MMSE equalization for DS-CDMA downlink
K Takeda, K Ishihara, F Adachi
IEICE transactions on communications 89 (12), 3335-3343, 2006
562006
45.2 Tb/s C-band WDM transmission over 240km using 538Gb/s PDM-64QAM single carrier FDM signal with digital pilot tone
T Kobayashi, A Sano, A Matsuura, M Yoshida, T Sakano, H Kubota, ...
European Conference and Exposition on Optical Communications, Th. 13. C. 6, 2011
552011
Wireless communication system and wireless communication method
R Kudo, M Matsui, T Murakami, T Ichikawa, Y Asai, K Ishihara, T Yamada, ...
US Patent 9,276,652, 2016
492016
Nonlinear tolerant spectrally-efficient transmission using PDM 64-QAM single carrier FDM with digital pilot-tone
T Kobayashi, A Sano, A Matsuura, Y Miyamoto, K Ishihara
Journal of lightwave technology 30 (24), 3805-3815, 2012
492012
160-Gb/s polarization-multiplexed 16-QAM long-haul transmission over 3,123 km using digital coherent receiver with digital PLL based frequency offset compensator
T Kobayashi, A Sano, H Masuda, K Ishihara, E Yoshida, Y Miyamoto, ...
Optical Fiber Communication Conference, OTuD1, 2010
482010
Optical OFDM receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation method
A Sano, E Yamada, T Kobayashi, K Ishihara, Y Miyamoto, R Kudo
US Patent 8,355,637, 2013
462013
Non-data-aided wide-range frequency offset estimator for QAM optical coherent receivers
T Nakagawa, M Matsui, T Kobayashi, K Ishihara, R Kudo, M Mizoguchi, ...
2011 Optical Fiber Communication Conference and Exposition and the National …, 2011
452011
Frequency-domain equalisation for optical transmission systems
K Ishihara, T Kobayashi, R Kudo, Y Takatori, A Sano, E Yamada, ...
Electronics Letters 44 (14), 870-871, 2008
452008
Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal …
K Ishihara, T Kobayashi, R Kudo, Y Takatori, M Matsui, M Mizoguchi, ...
US Patent 8,929,750, 2015
422015
Chromatic dispersion value calculating apparatus, optical signal receiving apparatus, optical signal transmitting apparatus, and chromatic dispersion value calculation method
K Ishihara, T Kobayashi, R Kudo, Y Takatori, M Matsui, M Mizoguchi, ...
US Patent 8,787,769, 2014
412014
Novel no-guard-interval PDM CO-OFDM transmission in 4.1 Tb/s (50× 88.8-Gb/s) DWDM link over 800 km SMF including 50-Ghz spaced ROADM nodes
E Yamada, A Sano, H Masuda, T Kobayashi, E Yoshida, Y Miyamoto, ...
National Fiber Optic Engineers Conference, PDP8, 2008
392008
1Tb/s (111Gb/s/ch× 10ch) no-guard-interval CO-OFDM transmission over 2100 km DSF
E Yamada, A Sano, H Masuda, E Yamazaki, T Kobayashi, E Yoshida, ...
OECC/ACOFT 2008-Joint Conference of the Opto-Electronics and Communications …, 2008
382008
Coherent optical transmission with frequency-domain equalization
K Ishihara, T Kobayashi, R Kudo, Y Takatori, A Sano, E Yamada, ...
2008 34th European Conference on Optical Communication, 1-2, 2008
302008
256-QAM 8 wireless signal transmission with DSP-assisted analog RoF for mobile front-haul in LTE-B
N Shibata, T Murakami, K Ishihara, T Kobayashi, J Kani, J Terada, ...
2014 OptoElectronics and Communication Conference and Australian Conference …, 2014
292014
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