Keisuke Kojima

Orcid: 0000-0002-5297-7900

According to our database1, Keisuke Kojima authored at least 57 papers between 1990 and 2021.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

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Links

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Bibliography

2021
Experimental Analysis of Mismatched Soft-Demapping for Probabilistic Shaping in Short-Reach Nonlinear Transmission.
Proceedings of the European Conference on Optical Communication, 2021

Dual Coding Concatenation for Burst-Error Correction in Probabilistic Amplitude Shaping.
Proceedings of the European Conference on Optical Communication, 2021

Zero-Multiplier Sparse DNN Equalization for Fiber-Optic QAM Systems with Probabilistic Amplitude Shaping.
Proceedings of the European Conference on Optical Communication, 2021

2020
Parallel-Amplitude Architecture and Subset Ranking for Fast Distribution Matching.
IEEE Trans. Commun., 2020

Huffman-coded Sphere Shaping and Distribution Matching Algorithms via Lookup Tables.
CoRR, 2020

Analysis of Nonlinear Fiber Interactions for Finite-Length Constant-Composition Sequences.
CoRR, 2020

Generative Deep Learning Model for a Multi-Level Nano-Optic Broadband Power Splitter.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Deep Neural Networks for Designing Integrated Photonics.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Stochastic EXIT Design for Low-Latency Short-Block LDPC Codes.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Variational Quantum Demodulation for Coherent Optical Multi-Dimensional QAM.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

End-to-End Deep Learning for Phase Noise-Robust Multi-Dimensional Geometric Shaping.
Proceedings of the European Conference on Optical Communications, 2020

2019
Multiset-Partition Distribution Matching.
IEEE Trans. Commun., 2019

Neural Turbo Equalization: Deep Learning for Fiber-Optic Nonlinearity Compensation.
CoRR, 2019

Hardware-Efficient Quantized Polar Decoding with Optimized Lookup Table.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

Deep Neural Network Inverse Modeling for Integrated Photonics.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

Polar-Coded Modulation for Joint Channel Coding and Probabilistic Shaping.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

Partition-Based Probabilistic Shaping for Fiber-Optic Communication Systems.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

2018
Broadband SOI Mode Order Converter Based on Topology Optimization.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Coded Modulation for Next-Generation Optical Communications.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Comparison of Nonlinearity Tolerance of Modulation Formats for Subcarrier Modulation.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Rate-Adaptive LDPC Convolutional Coding with Joint Layered Scheduling and Shortening Design.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Multi-Dimensional Pulse-Shaping FIR Filter for Nonlinear Interference Alignment.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Irregular Polar Turbo Product Coding for High-Throughput Optical Interface.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

EXIT Convergence Analysis of BICM-ID Based on High-Dimensional Modulation and Polar-TPC.
Proceedings of the European Conference on Optical Communication, 2018

Superchannel CPE with Wyner-Ziv Cooperation for Band-Limited Interconnects in Multi-DSP Receiver.
Proceedings of the European Conference on Optical Communication, 2018

Schalkwijk-Kailath Feedback Error Correction for Optical Data Center Interconnects.
Proceedings of the European Conference on Optical Communication, 2018

Lattice Precoding for Multi-Span Constellation Shaping.
Proceedings of the European Conference on Optical Communication, 2018

2017
A simplified dual-carrier DP-64QAM 1 Tb/s transceiver.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Nonlinearity-tolerant time domain hybrid modulation for 4-8 bits/symbol based on 2A8PSK.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Fully-parallel soft-decision cycle slip recovery.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Lattice precoding for IM/DD POF interconnects.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Bit-interleaved polar-coded modulation for low-latency short-block transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Fast Many-to-One Voice Conversion using Autoencoders.
Proceedings of the 9th International Conference on Agents and Artificial Intelligence, 2017

Reach Extension with Lattice Precoding for Optical PAM Transmission in Data Center Networks.
Proceedings of the European Conference on Optical Communication, 2017

Irregular Polar Coding for Multi-Level Modulation in Complexity-Constrained Lightwave Systems.
Proceedings of the European Conference on Optical Communication, 2017

2016
Investigation of low code rate DP-8PSK as an alternative to DP-QPSK.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

GMI-maximizing constellation design with Grassmann projection for parametric shaping.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

Pareto-efficient set of modulation and coding based on RGMI in nonlinear fiber transmissions.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

Reduced-complexity blind chromatic dispersion estimation for digital coherent systems.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

2015
BICM capacity analysis of 8QAM-alternative modulation formats in nonlinear fiber transmission.
Proceedings of the 2015 Tyrrhenian International Workshop on Digital Communications, 2015

Dynamic window decoding for LDPC convolutional codes in low-latency optical communications.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Transceiver-limited high spectral efficiency Nyquist-WDM systems.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Design of constant modulus modulation considering envelopes.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Separation of semiconductor laser intrinsic linewidth and 1/f noise using multiple fiber lengths with the delayed self-heterodyne method.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Coded modulation design for finite-iteration decoding and high-dimensional modulation.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Experimental demonstration of multi-pilot aided carrier phase estimation for DP-64QAM and DP-256QAM.
Proceedings of the European Conference on Optical Communication, 2015

Detection of a 1 Tb/s superchannel with a single coherent receiver.
Proceedings of the European Conference on Optical Communication, 2015

Laser frequency drift compensation with Han-Kobayashi coding in superchannel nonlinear optical communications.
Proceedings of the European Conference on Optical Communication, 2015

2014
Experimental demonstration of 24-dimensional extended Golay coded modulation with LDPC.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

Comparison of quaternary block-coding and sphere-cutting for high-dimensional modulation.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

Cycle slip-mitigating turbo demodulation in LDPC-coded coherent optical communications.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

High-dimensional modulation for mode-division multiplexing.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

Maximizing transmission capacity of superchannels using rate-adaptive FEC.
Proceedings of the European Conference on Optical Communication, 2014

Constant modulus 4D optimized constellation alternative for DP-8QAM.
Proceedings of the European Conference on Optical Communication, 2014

Turbo demodulation for LDPC-coded high-order QAM in presence of transmitter angular skew.
Proceedings of the European Conference on Optical Communication, 2014

Interference management with Han-Kobayashi coding: Dual-carrier coherent optical communications.
Proceedings of the European Conference on Optical Communication, 2014

1990
Character recognition using a dynamic opto-electronic neural network with unipolar binary weights.
Proceedings of the IJCNN 1990, 1990


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