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2020 – today
- 2024
[j29]Masaya Norimoto
, Taku Mikuriya, Naoki Ishikawa:
Quantum Speedup for Multiuser Detection With Optimized Parameters in Grover Adaptive Search. IEEE Access 12: 83810-83821 (2024)- [j28]Kein Yukiyoshi, Naoki Ishikawa:
Quantum search algorithm for binary constant weight codes. Quantum Inf. Process. 23(10): 360 (2024) - [j27]Naoki Endo, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa:
Boosting Spectral Efficiency With Data-Carrying Reference Signals on the Grassmann Manifold. IEEE Trans. Wirel. Commun. 23(8): 10137-10149 (2024) - [c13]Taiki Kato, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa:
Performance Analysis of Data-Carrying Reference Signal in Time-Varying Channels. VTC Spring 2024: 1-5 - [i5]Naoki Endo, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa:
Boosting Spectral Efficiency with Data-Carrying Reference Signals on the Grassmann Manifold. CoRR abs/2401.02597 (2024) - 2023
- [j26]Masaya Norimoto, Ryuhei Mori, Naoki Ishikawa:
Quantum Algorithm for Higher-Order Unconstrained Binary Optimization and MIMO Maximum Likelihood Detection. IEEE Trans. Commun. 71(4): 1926-1939 (2023) - [j25]Yuma Katsuki, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, Naoki Ishikawa:
Noncoherent Massive MIMO With Embedded One-Way Function Physical Layer Security. IEEE Trans. Inf. Forensics Secur. 18: 3158-3170 (2023) - [j24]Yuma Katsuki, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, Naoki Ishikawa:
A New Noncoherent Gaussian Signaling Scheme for Low Probability of Detection Communications. IEEE Wirel. Commun. Lett. 12(3): 545-549 (2023) - [j23]Kein Yukiyoshi, Naoki Ishikawa:
On the Capacity of Generalized Quadrature Spatial Modulation. IEEE Wirel. Commun. Lett. 12(12): 2158-2162 (2023) - [c12]Yuta Kanazawa, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa:
Multiple Superimposed Pilots for Accurate Channel Estimation in Orthogonal Time Frequency Space Modulation. VTC Fall 2023: 1-5 - [c11]Masaya Norimoto, Naoki Ishikawa:
Grover Adaptive Search for Joint Maximum-Likelihood Detection of Power-Domain Non-Orthogonal Multiple Access. VTC2023-Spring 2023: 1-5 - [i4]Yuma Katsuki, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, Naoki Ishikawa:
A New Noncoherent Gaussian Signaling Scheme for Low Probability of Detection Communications. CoRR abs/2301.02954 (2023) - [i3]Kein Yukiyoshi, Naoki Ishikawa:
On the Capacity of Generalized Quadrature Spatial Modulation. CoRR abs/2309.04986 (2023) - 2022
- [j22]Xiaodan Zhai, Guochao Song, Lixia Xiao, Guanghua Liu, Naoki Ishikawa, Tao Jiang:
Error Probability Analysis for Time-Varying Chaos Unitary Matrix-Based Differential MIMO System. IEEE Wirel. Commun. Lett. 11(7): 1399-1403 (2022) - [c10]Seiya Otsuka, Hiroki Iimori, Kengo Ando, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, Naoki Ishikawa:
Analysis of Secret Key Agreement Protocol for Massive MIMO Systems. CISIS-ICEUTE 2022: 86-94 - [i2]Yuki Sano, Masaya Norimoto, Naoki Ishikawa:
Qubit Reduction and Quantum Speedup for Wireless Channel Assignment Problem. CoRR abs/2208.05181 (2022) - [i1]Kein Yukiyoshi, Naoki Ishikawa:
Quantum Search Algorithm for Binary Constant Weight Codes. CoRR abs/2211.04637 (2022) - 2021
- [j21]Naoki Ishikawa:
Quantum Speedup for Index Modulation. IEEE Access 9: 111114-111124 (2021) - [j20]Naoki Ishikawa, Jehad M. Hamamreh, Eiji Okamoto, Chao Xu, Lixia Xiao:
Artificially Time-Varying Differential MIMO for Achieving Practical Physical Layer Security. IEEE Open J. Commun. Soc. 2: 2180-2194 (2021) - [j19]Chao Xu, Yifeng Xiong, Naoki Ishikawa, Rakshith Rajashekar, Shinya Sugiura, Zhaocheng Wang, Soon Xin Ng, Lie-Liang Yang, Lajos Hanzo:
Space-, Time- and Frequency-Domain Index Modulation for Next-Generation Wireless: A Unified Single-/Multi-Carrier and Single-/Multi-RF MIMO Framework. IEEE Trans. Wirel. Commun. 20(6): 3847-3864 (2021) - [c9]Yuma Katsuki, Naoki Ishikawa:
Optimal but Low-Complexity Optimization Method for Nonsquare Differential Massive MIMO. VTC Fall 2021: 1-5 - 2020
- [j18]Lixia Xiao, Pei Xiao, Hang Ruan, Naoki Ishikawa, Lei Lu, Yue Xiao, Lajos Hanzo:
Differentially-Encoded Rectangular Spatial Modulation Approaches the Performance of Its Coherent Counterpart. IEEE Trans. Commun. 68(12): 7593-7607 (2020)
2010 – 2019
- 2019
- [j17]Naoki Ishikawa, Yasuhiro Ohishi, Kaori Maeda:
Nulls in the Air: Passive and Low-Complexity QoS Estimation Method for a Large-Scale Wi-Fi Network Based on Null Function Data Frames. IEEE Access 7: 28581-28591 (2019) - [j16]Naoki Ishikawa:
IMToolkit: An Open-Source Index Modulation Toolkit for Reproducible Research Based on Massively Parallel Algorithms. IEEE Access 7: 93830-93846 (2019) - [j15]Rakshith Rajashekar, Chao Xu, Naoki Ishikawa, Lie-Liang Yang, Lajos Hanzo:
Multicarrier Division Duplex Aided Millimeter Wave Communications. IEEE Access 7: 100719-100732 (2019) - [j14]Chao Xu, Naoki Ishikawa, Rakshith Rajashekar, Shinya Sugiura, Robert G. Maunder, Zhaocheng Wang, Lie-Liang Yang, Lajos Hanzo:
Sixty Years of Coherent Versus Non-Coherent Tradeoffs and the Road From 5G to Wireless Futures. IEEE Access 7: 178246-178299 (2019) - [j13]Chao Xu, Peichang Zhang, Rakshith Rajashekar, Naoki Ishikawa, Shinya Sugiura, Zhaocheng Wang, Lajos Hanzo:
"Near-Perfect" Finite-Cardinality Generalized Space-Time Shift Keying. IEEE J. Sel. Areas Commun. 37(9): 2146-2164 (2019) - [j12]Naoki Ishikawa, Rakshith Rajashekar, Chao Xu, Mohammed El-Hajjar, Shinya Sugiura, Lie-Liang Yang, Lajos Hanzo:
Differential-Detection Aided Large-Scale Generalized Spatial Modulation is Capable of Operating in High-Mobility Millimeter-Wave Channels. IEEE J. Sel. Top. Signal Process. 13(6): 1360-1374 (2019) - [j11]Chao Xu, Peichang Zhang, Rakshith Rajashekar, Naoki Ishikawa, Shinya Sugiura, Li Wang, Lajos Hanzo:
Finite-Cardinality Single-RF Differential Space-Time Modulation for Improving the Diversity-Throughput Tradeoff. IEEE Trans. Commun. 67(1): 318-335 (2019) - [j10]Rakshith Rajashekar, Chao Xu, Naoki Ishikawa, Lie-Liang Yang, Lajos Hanzo:
Subcarrier Subset Selection-Aided Transmit Precoding Achieves Full-Diversity in Index Modulation. IEEE Trans. Veh. Technol. 68(11): 11031-11041 (2019) - [c8]Naoki Ishikawa, Atsushi Shimoda, Hironori Takuma:
Designing of a Network Infrastructure to Promote Active Participation of Youth in Local Community Revitalization. IIAI-AAI 2019: 896-901 - 2018
- [j9]Naoki Ishikawa, Shinya Sugiura, Lajos Hanzo:
50 Years of Permutation, Spatial and Index Modulation: From Classic RF to Visible Light Communications and Data Storage. IEEE Commun. Surv. Tutorials 20(3): 1905-1938 (2018) - [j8]Naoki Ishikawa, Rakshith Rajashekar, Chao Xu, Shinya Sugiura, Lajos Hanzo:
Differential Space-Time Coding Dispensing With Channel Estimation Approaches the Performance of Its Coherent Counterpart in the Open-Loop Massive MIMO-OFDM Downlink. IEEE Trans. Commun. 66(12): 6190-6204 (2018) - [j7]Chao Xu, Rakshith Rajashekar, Naoki Ishikawa, Shinya Sugiura, Lajos Hanzo:
Single-RF Index Shift Keying Aided Differential Space-Time Block Coding. IEEE Trans. Signal Process. 66(3): 773-788 (2018) - 2017
- [j6]Rakshith Rajashekar, Chao Xu, Naoki Ishikawa, Shinya Sugiura, K. V. S. Hari, Lajos Hanzo:
Algebraic Differential Spatial Modulation Is Capable of Approaching the Performance of Its Coherent Counterpart. IEEE Trans. Commun. 65(10): 4260-4273 (2017) - [j5]Rakshith Rajashekar, Naoki Ishikawa, Shinya Sugiura, K. V. S. Hari, Lajos Hanzo:
Full-Diversity Dispersion Matrices From Algebraic Field Extensions for Differential Spatial Modulation. IEEE Trans. Veh. Technol. 66(1): 385-394 (2017) - [j4]Naoki Ishikawa, Rakshith Rajashekar, Shinya Sugiura, Lajos Hanzo:
Generalized-Spatial-Modulation-Based Reduced-RF-Chain Millimeter-Wave Communications. IEEE Trans. Veh. Technol. 66(1): 879-883 (2017) - [j3]Naoki Ishikawa, Shinya Sugiura:
Rectangular Differential Spatial Modulation for Open-Loop Noncoherent Massive-MIMO Downlink. IEEE Trans. Wirel. Commun. 16(3): 1908-1920 (2017) - 2016
- [j2]Naoki Ishikawa, Shinya Sugiura, Lajos Hanzo:
Subcarrier-Index Modulation Aided OFDM - Will It Work? IEEE Access 4: 2580-2593 (2016) - 2015
- [c7]Naoki Ishikawa, Shinya Sugiura:
Exit-Chart-Based Design of Irregular Precoded Power-Imbalanced Optical Spatial Modulation. VTC Fall 2015: 1-5 - 2014
- [j1]Naoki Ishikawa, Shinya Sugiura:
Unified Differential Spatial Modulation. IEEE Wirel. Commun. Lett. 3(4): 337-340 (2014) - [c6]Naoki Ishikawa, Shinya Sugiura:
Single- and Multiple-RF Aided Non-Coherent Generalized Spatial Modulation. VTC Spring 2014: 1-5 - 2010
- [c5]Naoki Ishikawa, Ryo Nishimura, Yasuhiko Watanabe, Yoshihiro Okada, Masaki Murata:
Detection of Submitters Suspected of Pretending to be Someone Else to Manipulate Communications in a Community Site. CSEDU (1) 2010: 166-171 - [c4]Naoki Ishikawa, Ryo Nishimura, Yasuhiko Watanabe, Yoshihiro Okada, Masaki Murata:
Detection of submitters suspected of pretending to be someone else in a community site. LREC 2010 - [c3]Naoki Ishikawa, Kenji Umemoto, Yasuhiko Watanabe, Yoshihiro Okada, Ryo Nishimura, Masaki Murata:
Detection of users suspected of using multiple user accounts and manipulating evaluations in a community site. NLPKE 2010: 1-8 - [c2]Naoki Ishikawa, Ryo Nishimura, Yasuhiko Watanabe, Masaki Murata, Yoshihiro Okada:
Detection of Users Suspected of Pretending to Be Other Users in a Community Site by Using Messages Submitted to Non-Target Categories. PACLIC 2010: 637-644
2000 – 2009
- 2009
- [c1]Naoki Ishikawa, Ryo Nishimura, Yasuhiko Watanabe, Masaki Murata, Yoshihiro Okada:
Determination of submitters suspected of pretending to be someone else to manipulate message evaluations in a communication site. IADIS AC (2) 2009: 73-77
Coauthor Index
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