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Naoki Ishikawa · SciRah

Researcher profile · Semantic Scholar

Naoki Ishikawa

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Naoki Ishikawa — researcher profile on SciRah

h-index: 17
Works: 44
Citations: 1,075

Most-cited papers

Subcarrier-Index Modulation Aided OFDM - Will It Work?
Naoki Ishikawa, S. Sugiura, L. Hanzo
2016IEEE Access202 citations Open access
Semantic Scholar
50 Years of Permutation, Spatial and Index Modulation: From Classic RF to Visible Light Communications and Data Storage
Naoki Ishikawa, S. Sugiura, L. Hanzo
2018IEEE Communications Surveys and Tutorials168 citations Open access
Semantic Scholar
Sixty Years of Coherent Versus Non-Coherent Tradeoffs and the Road From 5G to Wireless Futures
Chao Xu, Naoki Ishikawa, R. Rajashekar, S. Sugiura +4 more
2019IEEE Access89 citations Open access
Semantic Scholar
Generalized-Spatial-Modulation-Based Reduced-RF-Chain Millimeter-Wave Communications
Naoki Ishikawa, R. Rajashekar, S. Sugiura, L. Hanzo
2017IEEE Transactions on Vehicular Technology73 citations Open access
Semantic Scholar
Unified Differential Spatial Modulation
Naoki Ishikawa, S. Sugiura
2014IEEE Wireless Communications Letters66 citations Open access
Semantic Scholar
Rectangular Differential Spatial Modulation for Open-Loop Noncoherent Massive-MIMO Downlink
Naoki Ishikawa, S. Sugiura
2017IEEE Transactions on Wireless Communications49 citations Open access
Semantic Scholar
Quantum Algorithm for Higher-Order Unconstrained Binary Optimization and MIMO Maximum Likelihood Detection
Masaya Norimoto, R. Mori, Naoki Ishikawa
2022IEEE Transactions on Communications44 citations Open access
Semantic Scholar
Full-Diversity Dispersion Matrices From Algebraic Field Extensions for Differential Spatial Modulation
R. Rajashekar, Naoki Ishikawa, S. Sugiura, K. Hari +1 more
2017IEEE Transactions on Vehicular Technology44 citations Open access
Semantic Scholar
Maximizing Constrained Capacity of Power-Imbalanced Optical Wireless MIMO Communications Using Spatial Modulation
Naoki Ishikawa, S. Sugiura
2015Journal of Lightwave Technology29 citations
Semantic Scholar
Differential-Detection Aided Large-Scale Generalized Spatial Modulation is Capable of Operating in High-Mobility Millimeter-Wave Channels
Naoki Ishikawa, R. Rajashekar, Chao Xu, M. el-Hajjar +3 more
2019IEEE Journal on Selected Topics in Signal Processing26 citations Open access
Semantic Scholar
Algebraic Differential Spatial Modulation Is Capable of Approaching the Performance of Its Coherent Counterpart
R. Rajashekar, Chao Xu, Naoki Ishikawa, S. Sugiura +2 more
2017IEEE Transactions on Communications24 citations Open access
Semantic Scholar
Finite-Cardinality Single-RF Differential Space-Time Modulation for Improving the Diversity-Throughput Tradeoff
Chao Xu, Pei-Chang Zhang, R. Rajashekar, Naoki Ishikawa +3 more
2019IEEE Transactions on Communications23 citations Open access
Semantic Scholar
Differential Space-Time Coding Dispensing With Channel Estimation Approaches the Performance of Its Coherent Counterpart in the Open-Loop Massive MIMO-OFDM Downlink
Naoki Ishikawa, R. Rajashekar, Chao Xu, S. Sugiura +1 more
2018IEEE Transactions on Communications23 citations Open access
Semantic Scholar
Accelerating Grover Adaptive Search: Qubit and Gate Count Reduction Strategies With Higher Order Formulations
Yukihiro Sano, K. Mitarai, Naoki Yamamoto, Naoki Ishikawa
2023IEEE Transactions on Quantum Engineering22 citations Open access
Semantic Scholar
Single-RF Index Shift Keying Aided Differential Space–Time Block Coding
Chao Xu, R. Rajashekar, Naoki Ishikawa, S. Sugiura +1 more
2018IEEE Transactions on Signal Processing21 citations Open access
Semantic Scholar
Qubit Reduction and Quantum Speedup for Wireless Channel Assignment Problem
Y. Sano, Masaya Norimoto, Naoki Ishikawa
2022IEEE Transactions on Quantum Engineering20 citations Open access
Semantic Scholar
“Near-Perfect” Finite-Cardinality Generalized Space-Time Shift Keying
Chao Xu, Pei-Chang Zhang, R. Rajashekar, Naoki Ishikawa +3 more
2019IEEE Journal on Selected Areas in Communications18 citations Open access
Semantic Scholar
Quantum Speedup for Index Modulation
Naoki Ishikawa
2021IEEE Access16 citations Open access
Semantic Scholar
Space-, Time- and Frequency-Domain Index Modulation for Next-Generation Wireless: A Unified Single-/Multi-Carrier and Single-/Multi-RF MIMO Framework
Chao Xu, Yifeng Xiong, Naoki Ishikawa, R. Rajashekar +5 more
2021IEEE Transactions on Wireless Communications14 citations Open access
Semantic Scholar
Quantum search algorithm for binary constant weight codes
Kein Yukiyoshi, Naoki Ishikawa
2022Quantum Information Processing12 citations Open access
Semantic Scholar
Multiple Input Multiple Output with Antenna Number Modulation and Adaptive Antenna Selection
Jehad M. Hamamreh, Muhammet Kırık, Mehmet O. Sagman, Naoki Ishikawa
202012 citations Open access
Semantic Scholar
Differentially-Encoded Rectangular Spatial Modulation Approaches the Performance of Its Coherent Counterpart
Li-Xia Xiao, P. Xiao, H. Ruan, Naoki Ishikawa +3 more
2020IEEE Transactions on Communications11 citations Open access
Semantic Scholar
IMToolkit: An Open-Source Index Modulation Toolkit for Reproducible Research Based on Massively Parallel Algorithms
Naoki Ishikawa
2019IEEE Access9 citations Open access
Semantic Scholar
Artificially Time-Varying Differential MIMO for Achieving Practical Physical Layer Security
Naoki Ishikawa, Jehad M. Hamamreh, E. Okamoto, Chao Xu +1 more
2021IEEE Open Journal of the Communications Society8 citations Open access
Semantic Scholar
Grover Adaptive Search for Joint Maximum-Likelihood Detection of Power-Domain Non-Orthogonal Multiple Access
Masaya Norimoto, Naoki Ishikawa
2023IEEE Vehicular Technology Conference7 citations
Semantic Scholar
Multicarrier Division Duplex Aided Millimeter Wave Communications
R. Rajashekar, Chao Xu, Naoki Ishikawa, Lie-Liang Yang +1 more
2019IEEE Access7 citations Open access
Semantic Scholar
Noncoherent Massive MIMO With Embedded One-Way Function Physical Layer Security
Yuma Katsuki, G. D. de Abreu, Koji Ishibashi, Naoki Ishikawa
2022IEEE Transactions on Information Forensics and Security6 citations Open access
Semantic Scholar
Single- and Multiple-RF Aided Non-Coherent Generalized Spatial Modulation
Naoki Ishikawa, S. Sugiura
2014IEEE Vehicular Technology Conference6 citations
Semantic Scholar
A New Noncoherent Gaussian Signaling Scheme for Low Probability of Detection Communications
Yuma Katsuki, G. D. de Abreu, Koji Ishibashi, Naoki Ishikawa
2023IEEE Wireless Communications Letters4 citations Open access
Semantic Scholar
Subcarrier Subset Selection-Aided Transmit Precoding Achieves Full-Diversity in Index Modulation
R. Rajashekar, Chao Xu, Naoki Ishikawa, Lie-Liang Yang +1 more
2019IEEE Transactions on Vehicular Technology4 citations Open access
Semantic Scholar
Exit-Chart-Based Design of Irregular Precoded Power-Imbalanced Optical Spatial Modulation
Naoki Ishikawa, S. Sugiura
2015IEEE Vehicular Technology Conference4 citations
Semantic Scholar
On the Capacity of Generalized Quadrature Spatial Modulation
Kein Yukiyoshi, Naoki Ishikawa
2023IEEE Wireless Communications Letters3 citations Open access
Semantic Scholar
Quantum Speedup for Higher-Order Unconstrained Binary Optimization and MIMO Maximum Likelihood Detection
Masaya Norimoto, R. Mori, Naoki Ishikawa
20223 citations
Semantic Scholar
A simple metric that correlates with public Wi‐Fi throughput
Yuichiro Mizuno, Yasuhiro Ohishi, Naoki Ishikawa
2023Electronics Letters2 citations Open access
Semantic Scholar
Error Probability Analysis for Time-Varying Chaos Unitary Matrix-Based Differential MIMO System
Xiao-Dan Zhai, Guochao Song, Li-Xia Xiao, Guang-Hua Liu +2 more
2022IEEE Wireless Communications Letters2 citations
Semantic Scholar
Optimal but Low-Complexity Optimization Method for Nonsquare Differential Massive MIMO
Yuma Katsuki, Naoki Ishikawa
2021IEEE Vehicular Technology Conference2 citations Open access
Semantic Scholar
Nulls in the Air: Passive and Low-Complexity QoS Estimation Method for a Large-Scale Wi-Fi Network Based on Null Function Data Frames
Naoki Ishikawa, Yasuhiro Ohishi, Kaori Maeda
2019IEEE Access2 citations Open access
Semantic Scholar
Passive QoS Estimation Method for a Large-Scale Wi-Fi Network and Its Experimental Evaluation
Naoki Ishikawa, Ohishi Yasuhiro, Tsutomu Nakayama, Kaori Maeda
20181 citations
Semantic Scholar
Analysis of Secret Key Agreement Protocol for Massive MIMO Systems
Seiya Otsuka, Hiroki Iimori, Kengo Ando, G. D. de Abreu +2 more
2022CISIS-ICEUTE0 citations
Semantic Scholar
Dataset for Sixty Years of Coherent Versus Non-coherent Tradeoffs and the Road from 5G to Wireless Futures
Chao Xu, Naoki Ishikawa, R. Rajashekar, S. Sugiura +4 more
20190 citations
Semantic Scholar
差動空間変調のための代数的場拡張からの完全ダイバーシチ分散行列【Powered by NICT】
R. Rakshith, Naoki Ishikawa, S. Sugiura, K. Hari +1 more
20170 citations
Semantic Scholar
Development of a User-Cooperative Streaming Platform by Container Orchestration
Kondo Tohru, Ryunosuke Ogawa, Kaori Maeda, Naoki Ishikawa
20170 citations
Semantic Scholar
開ループ非コヒーレント大規模MIMOダウンリンクのための矩形差動空間変調【Powered by NICT】
Naoki Ishikawa, S. Sugiura
20170 citations
Semantic Scholar
一般化空間変調に基づく減少RF鎖ミリ波通信【Powered by NICT】
Naoki Ishikawa, R. Rakshith, S. Sugiura, Hanzo Lajos
20170 citations
Semantic Scholar

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