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Keisuke Kojima
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2020 – today
- 2021
- [c52]Toshiaki Koike-Akino, Ye Wang, Keisuke Kojima, Kieran Parsons, Tsuyoshi Yoshida:
Zero-Multiplier Sparse DNN Equalization for Fiber-Optic QAM Systems with Probabilistic Amplitude Shaping. ECOC 2021: 1-4 - [c51]Pavel Skvortcov, Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons:
Dual Coding Concatenation for Burst-Error Correction in Probabilistic Amplitude Shaping. ECOC 2021: 1-4 - [c50]Pavel Skvortcov, David S. Millar, Ian D. Phillips, Wladek Forysiak, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons:
Experimental Analysis of Mismatched Soft-Demapping for Probabilistic Shaping in Short-Reach Nonlinear Transmission. ECOC 2021: 1-4 - 2020
- [j2]Tobias Fehenberger, David S. Millar, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons:
Parallel-Amplitude Architecture and Subset Ranking for Fast Distribution Matching. IEEE Trans. Commun. 68(4): 1981-1990 (2020) - [c49]Veeru Talreja, Toshiaki Koike-Akino, Ye Wang, David S. Millar, Keisuke Kojima, Kieran Parsons:
End-to-End Deep Learning for Phase Noise-Robust Multi-Dimensional Geometric Shaping. ECOC 2020: 1-3 - [c48]Toshiaki Koike-Akino, Toshiki Matsumine, Ye Wang, David S. Millar, Keisuke Kojima, Kieran Parsons:
Variational Quantum Demodulation for Coherent Optical Multi-Dimensional QAM. OFC 2020: 1-3 - [c47]Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons:
Stochastic EXIT Design for Low-Latency Short-Block LDPC Codes. OFC 2020: 1-3 - [c46]Keisuke Kojima, Mohammad H. Tahersima, Toshiaki Koike-Akino, Devesh K. Jha, Yingheng Tang, Ye Wang, Kieran Parsons, Fengqiao Sang, Jonathan Klamkin:
Deep Neural Networks for Designing Integrated Photonics. OFC 2020: 1-3 - [c45]Yingheng Tang, Keisuke Kojima, Toshiaki Koike-Akino, Ye Wang, Pengxiang Wu, Mohammad H. Tahersima, Devesh K. Jha, Kieran Parsons, Minghao Qi:
Generative Deep Learning Model for a Multi-Level Nano-Optic Broadband Power Splitter. OFC 2020: 1-3 - [i3]Tobias Fehenberger, David S. Millar, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons, Helmut Griesser:
Analysis of Nonlinear Fiber Interactions for Finite-Length Constant-Composition Sequences. CoRR abs/2006.07039 (2020) - [i2]Tobias Fehenberger, David S. Millar, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons, Helmut Griesser:
Huffman-coded Sphere Shaping and Distribution Matching Algorithms via Lookup Tables. CoRR abs/2006.07045 (2020)
2010 – 2019
- 2019
- [j1]Tobias Fehenberger, David S. Millar, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons:
Multiset-Partition Distribution Matching. IEEE Trans. Commun. 67(3): 1885-1893 (2019) - [c44]Tobias Fehenberger, David S. Millar, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons:
Partition-Based Probabilistic Shaping for Fiber-Optic Communication Systems. OFC 2019: 1-3 - [c43]Toshiki Matsumine, Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons:
Polar-Coded Modulation for Joint Channel Coding and Probabilistic Shaping. OFC 2019: 1-3 - [c42]Mohammad H. Tahersima, Keisuke Kojima, Toshiaki Koike-Akino, Devesh K. Jha, Bingnan Wang, Chungwei Lin, Kieran Parsons:
Deep Neural Network Inverse Modeling for Integrated Photonics. OFC 2019: 1-3 - [c41]Toshiaki Koike-Akino, Ye Wang, Semih Cayci, David S. Millar, Keisuke Kojima, Kieran Parsons:
Hardware-Efficient Quantized Polar Decoding with Optimized Lookup Table. OECC/PSC 2019: 1-3 - [i1]Toshiaki Koike-Akino, Ye Wang, David S. Millar, Keisuke Kojima, Kieran Parsons:
Neural Turbo Equalization: Deep Learning for Fiber-Optic Nonlinearity Compensation. CoRR abs/1911.10131 (2019) - 2018
- [c40]Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons:
Lattice Precoding for Multi-Span Constellation Shaping. ECOC 2018: 1-3 - [c39]Toshiaki Koike-Akino, David S. Millar, Kieran Parsons, Keisuke Kojima:
Schalkwijk-Kailath Feedback Error Correction for Optical Data Center Interconnects. ECOC 2018: 1-3 - [c38]Toshiaki Koike-Akino, Milutin Pajovic, David S. Millar, Keisuke Kojima, Kieran Parsons:
Superchannel CPE with Wyner-Ziv Cooperation for Band-Limited Interconnects in Multi-DSP Receiver. ECOC 2018: 1-3 - [c37]Toshiaki Koike-Akino, Ye Wang, Keisuke Kojima, David S. Millar, Kieran Parsons:
EXIT Convergence Analysis of BICM-ID Based on High-Dimensional Modulation and Polar-TPC. ECOC 2018: 1-3 - [c36]Toshiaki Koike-Akino, Congzhe Cao, Ye Wang, Keisuke Kojima, David S. Millar, Kieran Parsons:
Irregular Polar Turbo Product Coding for High-Throughput Optical Interface. OFC 2018: 1-3 - [c35]Toshiaki Koike-Akino, David S. Millar, Kieran Parsons, Keisuke Kojima:
Multi-Dimensional Pulse-Shaping FIR Filter for Nonlinear Interference Alignment. OFC 2018: 1-3 - [c34]Toshiaki Koike-Akino, David S. Millar, Kieran Parsons, Keisuke Kojima:
Rate-Adaptive LDPC Convolutional Coding with Joint Layered Scheduling and Shortening Design. OFC 2018: 1-3 - [c33]Keisuke Kojima, Tsuyoshi Yoshida, Kieran Parsons, Toshiaki Koike-Akino, David S. Millar, Keisuke Matsuda:
Comparison of Nonlinearity Tolerance of Modulation Formats for Subcarrier Modulation. OFC 2018: 1-3 - [c32]David S. Millar, Tobias Fehenberger, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons:
Coded Modulation for Next-Generation Optical Communications. OFC 2018: 1-3 - [c31]Min Teng, Keisuke Kojima, Toshiaki Koike-Akino, Bingnan Wang, Chungwei Lin, Kieran Parsons:
Broadband SOI Mode Order Converter Based on Topology Optimization. OFC 2018: 1-3 - 2017
- [c30]Toshiaki Koike-Akino, Congzhe Cao, Ye Wang, Stark C. Draper, David S. Millar, Kieran Parsons, Keisuke Kojima, Milutin Pajovic, Lídia Galdino, Daniel J. Elson, Domaniç Lavery, Polina Bayvel:
Irregular Polar Coding for Multi-Level Modulation in Complexity-Constrained Lightwave Systems. ECOC 2017: 1-3 - [c29]Toshiaki Koike-Akino, David S. Millar, Kieran Parsons, Keisuke Kojima:
Reach Extension with Lattice Precoding for Optical PAM Transmission in Data Center Networks. ECOC 2017: 1-3 - [c28]Yusuke Sekii, Ryohei Orihara, Keisuke Kojima, Yuichi Sei, Yasuyuki Tahara, Akihiko Ohsuga:
Fast Many-to-One Voice Conversion using Autoencoders. ICAART (2) 2017: 164-174 - [c27]Toshiaki Koike-Akino, Ye Wang, Stark C. Draper, Kenya Sugihara, Wataru Matsumoto, David S. Millar, Kieran Parsons, Keisuke Kojima:
Bit-interleaved polar-coded modulation for low-latency short-block transmission. OFC 2017: 1-3 - [c26]Toshiaki Koike-Akino, Kieran Parsons, David S. Millar, Keisuke Kojima:
Lattice precoding for IM/DD POF interconnects. OFC 2017: 1-3 - [c25]Toshiaki Koike-Akino, Tsuyoshi Yoshida, Kieran Parsons, David S. Millar, Keisuke Kojima, Milutin Pajovic:
Fully-parallel soft-decision cycle slip recovery. OFC 2017: 1-3 - [c24]Keisuke Kojima, Tsuyoshi Yoshida, Kieran Parsons, Toshiaki Koike-Akino, David S. Millar, Keisuke Matsuda:
Nonlinearity-tolerant time domain hybrid modulation for 4-8 bits/symbol based on 2A8PSK. OFC 2017: 1-3 - [c23]David S. Millar, Lídia Galdino, Robert Maher, Milutin Pajovic, Toshiaki Koike-Akino, Gabriel Saavedra, Daniel J. Elson, Domaniç Lavery, Kai Shi, M. Sezer Erkilinc, Eric Sillekens, Robert I. Killey, Benn C. Thomsen, Keisuke Kojima, Kieran Parsons, Polina Bayvel:
A simplified dual-carrier DP-64QAM 1 Tb/s transceiver. OFC 2017: 1-3 - 2016
- [c22]Valeria Arlunno, David S. Millar, Toshiaki Koike-Akino, Milutin Pajovic, Keisuke Kojima, Kieran Parsons:
Reduced-complexity blind chromatic dispersion estimation for digital coherent systems. OFC 2016: 1-3 - [c21]Toshiaki Koike-Akino, Keisuke Kojima, David S. Millar, Kieran Parsons, Tsuyoshi Yoshida, Takashi Sugihara:
Pareto-efficient set of modulation and coding based on RGMI in nonlinear fiber transmissions. OFC 2016: 1-3 - [c20]Toshiaki Koike-Akino, David S. Millar, Kieran Parsons, Keisuke Kojima:
GMI-maximizing constellation design with Grassmann projection for parametric shaping. OFC 2016: 1-3 - [c19]Keisuke Kojima, Toshiaki Koike-Akino, David S. Millar, Milutin Pajovic, Kieran Parsons, Tsuyoshi Yoshida:
Investigation of low code rate DP-8PSK as an alternative to DP-QPSK. OFC 2016: 1-3 - 2015
- [c18]Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons:
Laser frequency drift compensation with Han-Kobayashi coding in superchannel nonlinear optical communications. ECOC 2015: 1-3 - [c17]David S. Millar, Robert Maher, Domaniç Lavery, Toshiaki Koike-Akino, Milutin Pajovic, Alex Alvarado, Milen Paskov, Keisuke Kojima, Kieran Parsons, Benn C. Thomsen, Seb J. Savory, Polina Bayvel:
Detection of a 1 Tb/s superchannel with a single coherent receiver. ECOC 2015: 1-3 - [c16]Milutin Pajovic, David S. Millar, Toshiaki Koike-Akino, Robert Maher, Domaniç Lavery, Alex Alvarado, Milen Paskov, Keisuke Kojima, Kieran Parsons, Benn C. Thomsen, Seb J. Savory, Polina Bayvel:
Experimental demonstration of multi-pilot aided carrier phase estimation for DP-64QAM and DP-256QAM. ECOC 2015: 1-3 - [c15]Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons:
Coded modulation design for finite-iteration decoding and high-dimensional modulation. OFC 2015: 1-3 - [c14]Keisuke Kojima, Yuichiro Horiguchi, Toshiaki Koike-Akino, Yasuhisa Shimakura, Kentaro Enoki, Eiji Yagyu:
Separation of semiconductor laser intrinsic linewidth and 1/f noise using multiple fiber lengths with the delayed self-heterodyne method. OFC 2015: 1-3 - [c13]Keisuke Kojima, Toshiaki Koike-Akino, David S. Millar, Kieran Parsons:
Design of constant modulus modulation considering envelopes. OFC 2015: 1-3 - [c12]David S. Millar, Robert Maher, Domaniç Lavery, Toshiaki Koike-Akino, Alex Alvarado, Milen Paskov, Keisuke Kojima, Kieran Parsons, Benn C. Thomsen, Seb J. Savory, Polina Bayvel:
Transceiver-limited high spectral efficiency Nyquist-WDM systems. OFC 2015: 1-3 - [c11]Tian Xia, Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons, Yoshikuni Miyata, Kenya Sugihara, Wataru Matsumoto:
Dynamic window decoding for LDPC convolutional codes in low-latency optical communications. OFC 2015: 1-3 - [c10]Keisuke Kojima, Toshiaki Koike-Akino, David S. Millar, Kieran Parsons:
BICM capacity analysis of 8QAM-alternative modulation formats in nonlinear fiber transmission. TIWDC 2015: 57-59 - 2014
- [c9]Toshiaki Koike-Akino, Keisuke Kojima, David S. Millar, Kieran Parsons, Soichiro Kametani, Takashi Sugihara, Tsuyoshi Yoshida, Kazuyuki Ishida, Yoshikuni Miyata, Wataru Matsumoto, Takashi Mizuochi:
Interference management with Han-Kobayashi coding: Dual-carrier coherent optical communications. ECOC 2014: 1-3 - [c8]Toshiaki Koike-Akino, David S. Millar, Keisuke Kojima, Kieran Parsons, Tsuyoshi Yoshida, Kazuyuki Ishida, Yoshikuni Miyata, Wataru Matsumoto, Takashi Mizuochi:
Turbo demodulation for LDPC-coded high-order QAM in presence of transmitter angular skew. ECOC 2014: 1-3 - [c7]Keisuke Kojima, David S. Millar, Toshiaki Koike-Akino, Kieran Parsons:
Constant modulus 4D optimized constellation alternative for DP-8QAM. ECOC 2014: 1-3 - [c6]Keisuke Kojima, David S. Millar, Toshiaki Koike-Akino, Kieran Parsons, Soichiro Kametani, Takashi Sugihara:
Maximizing transmission capacity of superchannels using rate-adaptive FEC. ECOC 2014: 1-3 - [c5]Sercan Ö. Arik, David S. Millar, Toshiaki Koike-Akino, Keisuke Kojima, Kieran Parsons:
High-dimensional modulation for mode-division multiplexing. OFC 2014: 1-3 - [c4]Toshiaki Koike-Akino, Keisuke Kojima, David S. Millar, Kieran Parsons, Yoshikuni Miyata, Wataru Matsumoto, Takashi Sugihara, Takashi Mizuochi:
Cycle slip-mitigating turbo demodulation in LDPC-coded coherent optical communications. OFC 2014: 1-3 - [c3]David S. Millar, Toshiaki Koike-Akino, Sercan Ö. Arik, Keisuke Kojima, Kieran Parsons:
Comparison of quaternary block-coding and sphere-cutting for high-dimensional modulation. OFC 2014: 1-3 - [c2]David S. Millar, Toshiaki Koike-Akino, Robert Maher, Domaniç Lavery, Milen Paskov, Keisuke Kojima, Kieran Parsons, Benn C. Thomsen, Seb J. Savory, Polina Bayvel:
Experimental demonstration of 24-dimensional extended Golay coded modulation with LDPC. OFC 2014: 1-3
1990 – 1999
- 1990
- [c1]Masaya Oita, Masanobu Takahashi, Shuichi Tai, Keisuke Kojima, Kazuo Kyuma:
Character recognition using a dynamic opto-electronic neural network with unipolar binary weights. IJCNN 1990: 789-794
Coauthor Index
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