Karthik Upadhya
Karthik Upadhya
Ph.D. Student, Department of Signal Processing and Acoustics, Aalto University
Verified email at aalto.fi
Title
Cited by
Cited by
Year
Superimposed Pilots Are Superior for Mitigating Pilot Contamination in Massive MIMO
K Upadhya, SA Vorobyov, M Vehkapera
IEEE Transactions on Signal Processing 65 (11), 2917-2932, 2017
712017
Downlink performance of superimposed pilots in massive MIMO systems
K Upadhya, SA Vorobyov, M Vehkaperä
IEEE Transactions on Wireless Communications 17 (10), 6630-6644, 2018
21*2018
Covariance matrix estimation for massive MIMO
K Upadhya, SA Vorobyov
IEEE Signal Processing Letters 25 (4), 546-550, 2018
192018
Superimposed pilots: An alternative pilot structure to mitigate pilot contamination in massive MIMO
K Upadhya, SA Vorobyov, M Vehkapera
2016 IEEE International Conference on Acoustics, Speech and Signal …, 2016
192016
An array processing approach to pilot decontamination for massive MIMO
K Upadhya, SA Vorobyov
2015 IEEE 6th International Workshop on Computational Advances in Multi …, 2015
102015
A risk minimization framework for channel estimation in OFDM systems
K Upadhya, CS Seelamantula, KVS Hari
Signal Processing 128, 78-87, 2016
62016
Downlink performance of superimposed pilots in massive MIMO systems in the presence of pilot contamination
K Upadhya, SA Vorobyov, M Vehkapera
2016 IEEE Global Conference on Signal and Information Processing (GlobalSIP …, 2016
52016
Tracking abruptly changing channels in mmWave systems using overlaid data and training
K Upadhya, RW Heath, SA Vorobyov
2017 IEEE 7th International Workshop on Computational Advances in Multi …, 2017
32017
On Achievable Rates for Massive Mimo System with Imperfect Channel Covariance Information
AK Kocharlakota, K Upadhya, SA Vorobyov
ICASSP 2019-2019 IEEE International Conference on Acoustics, Speech and …, 2019
22019
Time-multiplexed/superimposed pilot selection for massive MIMO pilot decontamination
K Upadhya, SA Vorobyov, M Vehkapera
2017 IEEE International Conference on Acoustics, Speech and Signal …, 2017
22017
Low-Overhead Receiver-Side Channel Tracking for Mmwave Mimo
K Upadhya, SA Vorobyov, RW Heath
2018 IEEE International Conference on Acoustics, Speech and Signal …, 2018
12018
Channel Estimation in Large-Scale Multi-Antenna Systems for 5G and Beyond-Novel Pilot Structures and Algorithms
K Upadhya
Aalto University, 2018
2018
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