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Vishnu V Ratnam
Vishnu V Ratnam
Staff Research Engineer 2, Samsung Research America
Verified email at samsung.com - Homepage
Title
Cited by
Cited by
Year
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
11082017
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
532018
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
422020
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
302019
Periodic analog channel estimation aided beamforming for massive MIMO systems
VV Ratnam, AF Molisch
IEEE Transactions on Wireless Communications 18 (3), 1581-1594, 2019
202019
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
132022
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
132022
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
Continuous analog channel estimation-aided beamforming for massive MIMO systems
VV Ratnam, AF Molisch
IEEE Transactions on Wireless Communications 18 (12), 5557-5570, 2019
112019
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
102018
Centralized coordination for shared spectrum systems
R Ford, J Jeon, J Cho, VV Ratnam, M Tonnemacher
US Patent 11,863,996, 2024
72024
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
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
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
32022
JS-RAKE: judiciously trained selective RAKE receiver for UWB systems
VV Ratnam, AF Molisch, N Rabeah, F Alawwad, H Behairy
2016 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB), 1-4, 2016
32016
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