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Riichi Kudo
Riichi Kudo
NTT Corporation
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Cited by
Year
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
2502009
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
2342009
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
732008
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
692015
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
682014
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
592008
Channel Capacity Measurement of 82 MIMO Transmission by Antenna Configurations in an Actual Cellular Environment
K Nishimori, Y Makise, M Ida, R Kudo, K Tsunekawa
IEEE Transactions on Antennas and Propagation 54 (11), 3285-3291, 2006
592006
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
542011
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
512016
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
502013
A channel state information feedback method for massive MIMO-OFDM
R Kudo, SMD Armour, JP McGeehan, M Mizoguchi
Journal of Communications and Networks 15 (4), 352-361, 2013
452013
Frequency-domain equalisation for optical transmission systems
K Ishihara, T Kobayashi, R Kudo, Y Takatori, A Sano, E Yamada, ...
Electronics Letters 44 (14), 1, 2008
452008
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
312008
Coherent communication system, communication method, and transmission method
K Ishihara, M Mizoguchi, T Murakami, T Kataoka, Y Kisaka, T Nakagawa, ...
US Patent 9,621,299, 2017
282017
Two-stage overlap frequency domain equalization for long-haul optical systems
R Kudo, T Kobayashi, K Ishihara, Y Takatori, A Sano, E Yamada, ...
Optical Fiber Communication Conference, OMT3, 2009
272009
Wide-range and fast-tracking frequency offset estimator for optical coherent receivers
T Nakagawa, K Ishihara, T Kobayashi, R Kudo, M Matsui, Y Takatori, ...
36th European Conference and Exhibition on Optical Communication, 1-3, 2010
252010
16x16 multiuser MIMO testbed employing simple adaptive modulation scheme
K Nishimori, R Kudo, N Honma, Y Takatori, M Mizoguchi
VTC Spring 2009-IEEE 69th Vehicular Technology Conference, 1-5, 2009
252009
Transmission method, reception method, transmitter apparatus, and receiver device
T Nakagawa, E Yamazaki, K Ishihara, T Kobayashi, R Kudo, Y Takatori, ...
US Patent 8,934,782, 2015
242015
Performance evaluation of 8× 8 multi-user MIMO-OFDM testbed in an actual indoor environment
K Nishimori, R Kudo, Y Takatoti, A Ohta, K Tsunekawa
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio …, 2006
222006
Frequency-domain equalization for coherent optical transmission systems
K Ishihara, R Kudo, T Kobayashi, A Sano, Y Takatori, T Nakagawa, ...
2011 Optical Fiber Communication Conference and Exposition and the National …, 2011
212011
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