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Naoki Ishikawa
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Subcarrier-Index Modulation Aided OFDM-Will it Work?
N Ishikawa, S Sugiura, L Hanzo
IEEE Access 4, 2580-2593, 2016
1812016
50 years of permutation, spatial and index modulation: From classic RF to visible light communications and data storage
N Ishikawa, S Sugiura, L Hanzo
IEEE Communications Surveys & Tutorials 20 (3), 1905-1938, 2018
1232018
Generalized Spatial Modulation Based Reduced-RF-Chain Millimeter-Wave Communications
N Ishikawa, R Rajashekar, S Sugiura, L Hanzo
IEEE Transactions on Vehicular Technology, 2016
802016
Unified Differential Spatial Modulation
N Ishikawa, S Sugiura
IEEE Wireless Communications Letters 3 (4), 337-340, 2014
642014
Full-Diversity Dispersion Matrices from Algebraic Field Extensions for Differential Spatial Modulation
R Rajashekar, N Ishikawa, S Sugiura, KVS Hari, L Hanzo
IEEE Transactions on Vehicular Technology, 2015
472015
Rectangular differential spatial modulation for open-loop noncoherent massive-MIMO downlink
N Ishikawa, S Sugiura
IEEE Transactions on Wireless Communications 16 (3), 1908-1920, 2017
442017
Sixty years of coherent versus non-coherent tradeoffs and the road from 5G to wireless futures
C Xu, N Ishikawa, R Rajashekar, S Sugiura, RG Maunder, Z Wang, ...
IEEE Access 7, 178246-178299, 2019
432019
Maximizing Constrained Capacity of Power-Imbalanced Optical Wireless MIMO Communications Using Spatial Modulation
N Ishikawa, S Sugiura
Journal of Lightwave Technology 33 (2), 519 - 527, 2015
362015
Algebraic differential spatial modulation is capable of approaching the performance of its coherent counterpart
R Rajashekar, C Xu, N Ishikawa, S Sugiura, KVS Hari, L Hanzo
IEEE Transactions on Communications 65 (10), 4260-4273, 2017
262017
Differential-detection aided large-scale generalized spatial modulation is capable of operating in high-mobility millimeter-wave channels
N Ishikawa, R Rajashekar, C Xu, M El-Hajjar, S Sugiura, LL Yang, ...
IEEE Journal of Selected Topics in Signal Processing 13 (6), 1360-1374, 2019
242019
Single-RF index shift keying aided differential space–time block coding
C Xu, R Rajashekar, N Ishikawa, S Sugiura, L Hanzo
IEEE Transactions on Signal Processing 66 (3), 773-788, 2017
232017
Finite-cardinality single-RF differential space-time modulation for improving the diversity-throughput tradeoff
C Xu, P Zhang, R Rajashekar, N Ishikawa, S Sugiura, L Wang, L Hanzo
IEEE Transactions on Communications 67 (1), 318-335, 2018
202018
Differential space-time coding dispensing with channel estimation approaches the performance of its coherent counterpart in the open-loop massive MIMO-OFDM downlink
N Ishikawa, R Rajashekar, C Xu, S Sugiura, L Hanzo
IEEE Transactions on Communications 66 (12), 6190-6204, 2018
192018
Differentially-encoded rectangular spatial modulation approaches the performance of its coherent counterpart
L Xiao, P Xiao, H Ruan, N Ishikawa, L Lu, Y Xiao, L Hanzo
IEEE Transactions on Communications 68 (12), 7593-7607, 2020
112020
“Near-perfect” finite-cardinality generalized space-time shift keying
C Xu, P Zhang, R Rajashekar, N Ishikawa, S Sugiura, Z Wang, L Hanzo
IEEE Journal on Selected Areas in Communications 37 (9), 2146-2164, 2019
102019
Multiple input multiple output with antenna number modulation and adaptive antenna selection
JM Hamamreh, M Kirik, MO Sagman, N Ishikawa
RS Open Journal on Innovative Communication Technologies 1 (1), 2020
82020
Multicarrier division duplex aided millimeter wave communications
R Rajashekar, C Xu, N Ishikawa, LL Yang, L Hanzo
IEEE Access 7, 100719-100732, 2019
82019
Single-and Multiple-RF Aided Non-Coherent Generalized Spatial Modulation
N Ishikawa, S Sugiura
IEEE 79th Vehicular Technology Conference (VTC Spring), 2014
72014
Artificially time-varying differential mimo for achieving practical physical layer security
N Ishikawa, JM Hamamreh, E Okamoto, C Xu, L Xiao
IEEE Open Journal of the Communications Society 2, 2180-2194, 2021
52021
IMToolkit: An open-source index modulation toolkit for reproducible research based on massively parallel algorithms
N Ishikawa
IEEE Access 7, 93830-93846, 2019
52019
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Articles 1–20