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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, CS (Joint) |
2021-01-15 15:15 |
Online | Online | Digital backpropagation for optical path monitoring
-- Loss and Dispersion profile estimation -- Takeo Sasai, Masanori Nakamura, Shuto Yamamoto, Etsushi Yamazaki, Hideki Nishizawa, Yoshiaki Kisaka (NTT)  OCS2020-39 |
(Advance abstract in Japanese is available) [more] | OCS2020-39 pp.61-64 |
| CS, OCS (Joint) |
2020-01-16 10:00 |
Oita | Beppu Housensou Hotel (Oita Pref.) | 255-Gb/s PAM8 O-band Transmission through 10-km SMF using simplified MLSE based on Trellis-path Limitation Hiroki Taniguchi, Shuto Yamamoto, Masanori Nakamura, Yoshiaki Kisaka (NTT) OCS2019-65 |
近年のデータセンタネットワークのトラフィック増大に伴い、短距離向け光伝送システムの大容量化が期待されている。大容量化に伴う帯域制限および波長分散の耐力を向上するチャネル等化技術として有効である最尤系列推定は信号の多値化に起因する演算量増大が... [more] | OCS2019-65 pp.1-6 |
| CS, OCS (Joint) |
2020-01-16 10:25 |
Oita | Beppu Housensou Hotel (Oita Pref.) | Spectral Shaping Technique Based on Nonlinear Differential Coding for Short Reach Optical Transmission Shuto Yamamoto, Hiroki Taniguchi, Masanori Nakamura, Yoshiaki Kisaka (NTT) OCS2019-66 |
(Advance abstract in Japanese is available) [more] | OCS2019-66 pp.7-12 |
| OCS, PN, NS (Joint) |
2019-06-21 15:35 |
Iwate | MALIOS（Morioka） | 255Gb/s PAM-8 O-band transmission using MLSE based on nonlinear channel estimation with 20-GHz bandwidth limitation. Hiroki Taniguchi, Shuto Yamamoto, Masanori Nakamura, Yoshiaki Kisaka (NTT) OCS2019-18 |
In recent years, network traffic of inter and intra data centers is projected to increase at a rate of about 1.3 times a... [more] | OCS2019-18 pp.43-46 |
| CS, OCS (Joint) |
2018-01-30 13:25 |
Ehime | Ehime University | Coded PAM to Improve Bandwidth-Limitation and Chromatic-Dispersion tolerances in Direct-Detection System Akira Masuda, Shuto Yamamoto, Shingo Kawai, Mitsunori Fukutoku (NTT) OCS2017-77 |
Direct-detection system using 4-level pulse amplitude modulation (PAM4) is a promising technique to realize a 100-Gb/s o... [more] | OCS2017-77 pp.59-62 |
| OCS, CS (Joint) |
2017-01-20 10:20 |
Fukuoka | Kyushu Sangyo University | Improvement of Bandwidth-Limitation and Chromatic-Dispersion tolerances Using 4-Level/7-Level Coding for PAM4 in Direct-Detection System Akira Masuda, Shuto Yamamoto, Hiroki Kawahara, Yoshiaki Sone, Shingo Kawai, Mitsunori Fukutoku (NTT) OCS2016-67 |
(Advance abstract in Japanese is available) [more] | OCS2016-67 pp.15-20 |
| OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2015-11-13 15:20 |
Ehime | Matsuyama Civic Center | Hitless Spectrum Defragmentation and Optical Path Switching using Maximum Ratio Combining in Optical Diversity Transmission Kohei Saito, Masahiro Yokota, Takashi Kotanigawa, Hideki Maeda, Fukutaro Hamaoka, Shuto Yamamoto (NTT), Suzuki Masahiro, Seki Takeshi (NTT Com) OCS2015-87 |
Economical infrastructure is required for prospective optical transport networks. To achieve such networks, it is import... [more] | OCS2015-87 pp.65-70 |
| PN | 2014-11-27 13:30 |
Tokyo | [Invited Talk]
Technology Trend in New Transport System
-- 100Gbit/s Packet Transport System -- Takeshi Kawasaki, Masaaki Inami, Shuto Yamamoto, Makoto Horiguchi, Katsutoshi Koda (NTT) PN2014-20 |
Due to the recent trend of traffic increase, higher capacity and higher functionality on transport systems are required.... [more] | PN2014-20 pp.1-6 |
|
| OCS, OPE, OFT (Joint) [detail] |
2014-02-28 13:10 |
Okinawa | nest HOTEL Naha | Super High Density Multi-carrier Transmission System by MIMO Processing Fukutaro Hamaoka, Takafumi Fukatani, Shuto Yamamoto, Toshiya Matsuda, Akira Naka (NTT) OCS2013-121 OPE2013-233 |
Multi-carrier transmission systems multiplexed with subcarrier signals are studied in order to extend the capacity of op... [more] | OCS2013-121 OPE2013-233 pp.111-115(OCS), pp.151-155(OPE) |
| OPE, LQE, OCS | 2012-10-26 13:30 |
Miyazaki | Field evaluation of PDL penalty of 100 Gb/s PDM-QPSK signals using installed fiber with a large DGD Ayako Iwaki, Takeshi Kawai, Yohei Sakamaki, Shuto Yamamoto, Tetsuro Inui, Hiroto Kawakami, Shogo Yamanaka, Takashi Ono, Kunihiko Mori, Masahiro Suzuki, Tomoyoshi Kataoka, Mitsunori Fukutoku, Toshikazu Sakano, Masahito Tomizawa, Yutaka Miyamoto (NTT) OCS2012-67 OPE2012-118 LQE2012-84 |
Transmission penalty caused by PDL affects 100 Gb/s PDM-QPSK signals as the combined effects of DGD and PDL. We reported... [more] | OCS2012-67 OPE2012-118 LQE2012-84 pp.135-140 |
|
| NS, OCS, PN (Joint) |
2012-06-21 13:30 |
Yamagata | Yamagata Univ. | 40G/100G Mixed-Rate PDM-QPSK Real-Time DWDM Transmission in Field Testbed Using Commercially-Available Installed Fibers Shuto Yamamoto, Tetsuro Inui, Hiroto Kawakami, Shogo Yamanaka, Toshikazu Sakano, Takeshi Kawai, Takashi Ono, Ayako Iwaki, Tadao Nakagawa (NTT), Takashi Kotanigawa (NTT Com) OCS2012-9 |
We demonstrate 40-G and 100-G mixed-rate PDM-QPSK DWDM transmission using real-time DSP in 580-km field testbed consisti... [more] | OCS2012-9 pp.1-6 |
| OFT, OCS (Joint) |
2009-08-27 13:35 |
Hokkaido | Achievement of Subchannel Frequency Spacing Less Than Symbol Rate and Improvement of Dispersion Tolerance in Optical OFDM Transmission Shuto Yamamoto, Kazushige Yonenaga, Akio Sahara, Fumikazu Inuzuka, Atsushi Takada (NTT Co.) OCS2009-32 |
We propose a novel OFDM transmission where the frequency spacing of subchannels is less than the symbol rate. We show th... [more] | OCS2009-32 pp.17-22 |
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