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Vishnu V Ratnam
Vishnu V Ratnam
Staff Research Engineer 2, Samsung Research America
Adresse e-mail validée de samsung.com - Page d'accueil
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Année
Hybrid beamforming for massive MIMO: A survey
AF Molisch, VV Ratnam, S Han, Z Li, SLH Nguyen, L Li, K Haneda
IEEE Communications magazine 55 (9), 134-141, 2017
12382017
FadeNet: Deep learning-based mm-wave large-scale channel fading prediction and its applications
VV Ratnam, H Chen, S Pawar, B Zhang, CJ Zhang, YJ Kim, S Lee, M Cho, ...
IEEE Access 9, 3278-3290, 2020
652020
Hybrid beamforming with selection for multiuser massive MIMO systems
VV Ratnam, AF Molisch, OY Bursalioglu, HC Papadopoulos
IEEE Transactions on Signal Processing 66 (15), 4105-4120, 2018
612018
Coordinated dynamic spectrum sharing for 5G and beyond cellular networks
J Jeon, RD Ford, VV Ratnam, J Cho, J Zhang
IEEE Access 7, 111592-111604, 2019
362019
Joint phase-time arrays: A paradigm for frequency-dependent analog beamforming in 6G
VV Ratnam, J Mo, A Alammouri, BL Ng, J Zhang, AF Molisch
IEEE Access 10, 73364-73377, 2022
282022
Periodic analog channel estimation aided beamforming for massive MIMO systems
VV Ratnam, AF Molisch
IEEE Transactions on Wireless Communications 18 (3), 1581-1594, 2019
232019
Methods and apparatus for coverage prediction and network optimization in 5G new radio networks
H Chen, V Ratnam, YH Nam, J Cho, J Zhang
US Patent 11,259,191, 2022
182022
Continuous analog channel estimation-aided beamforming for massive MIMO systems
VV Ratnam, AF Molisch
IEEE Transactions on Wireless Communications 18 (12), 5557-5570, 2019
142019
Diversity versus training overhead trade-off for low complexity switched transceivers
VV Ratnam, AF Molisch, N Rabeah, F Alawwad, H Behairy
2016 IEEE Global Communications Conference (GLOBECOM), 1-6, 2016
122016
Reference tone aided transmission for massive MIMO: Analog beamforming without CSI
VV Ratnam, AF Molisch
2018 IEEE International Conference on Communications (ICC), 1-7, 2018
112018
Extending uplink coverage of mmwave and terahertz systems through joint phase-time arrays
A Alammouri, J Mo, VV Ratnam, BL Ng, RW Heath, J Lee, J Zhang
IEEE Access 10, 88872-88884, 2022
82022
Preprocessor design for hybrid preprocessing with selection in massive MISO systems
VV Ratnam, OY Bursalioglu, HC Papadopoulos, AF Molisch
2017 IEEE International Conference on Communications (ICC), 1-7, 2017
72017
MIMO systems with restricted pre/post-coding—capacity analysis based on coupled doubly correlated Wishart matrices
VV Ratnam, AF Molisch, HC Papadopoulos
IEEE Transactions on Wireless Communications 15 (12), 8537-8550, 2016
72016
Capacity analysis of interlaced clustering in a distributed transmission system with/without CSIT
VV Ratnam, AF Molisch, G Caire
IEEE Transactions on Wireless Communications 15 (4), 2629-2641, 2015
62015
Capacity analysis of interlaced clustering in a distributed antenna system
VV Ratnam, G Caire, AF Molisch
2015 IEEE International Conference on Communications (ICC), 1727-1732, 2015
62015
Performance of analog beamforming systems with optimized phase noise compensation
VV Ratnam
IEEE Transactions on Signal Processing 68, 5334-5348, 2020
52020
Multi-antenna FSR receivers: Low complexity, non-coherent, massive antenna receivers
VV Ratnam, AF Molisch
2018 IEEE Global Communications Conference (GLOBECOM), 1-7, 2018
52018
Bit and power allocation in QAM capable multi-differential frequency-shifted reference UWB radio
VV Ratnam, AF Molisch, A Alasaad, F Alawwad, H Behairy
GLOBECOM 2017-2017 IEEE Global Communications Conference, 1-7, 2017
52017
Jointly cooperative decode-and-forward relaying for secondary spectrum access
S Li, U Mitra, V Ratnam, A Pandharipande
2012 46th Annual Conference on Information Sciences and Systems (CISS), 1-6, 2012
52012
Delay and Jitter Constrained Wireless Scheduling with Near-Optimal Spectral Efficiency
G Chandrasekaran, G De Veciana, V Ratnam, H Chen, C Zhang
2023 IEEE 34th Annual International Symposium on Personal, Indoor and Mobile …, 2023
42023
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