| 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 | 119 | 2017 |
| Covariance matrix estimation for massive MIMO K Upadhya, SA Vorobyov IEEE Signal Processing Letters 25 (4), 546-550, 2018 | 71 | 2018 |
| Extreme Communication in 6G: Vision and Challenges for ‘in-X’Subnetworks G Berardinelli, P Baracca, RO Adeogun, SR Khosravirad, F Schaich, ... IEEE Open Journal of the Communications Society, 2021 | 55 | 2021 |
| 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 | 36 | 2018 |
| 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 | 28 | 2016 |
| Jamming Detection With Subcarrier Blanking for 5G and Beyond in Industry 4.0 Scenarios L Chiarello, P Baracca, K Upadhya, SR Khosravirad, T Wild arXiv preprint arXiv:2106.07970, 2021 | 16 | 2021 |
| 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 | 13 | 2015 |
| A risk minimization framework for channel estimation in OFDM systems K Upadhya, CS Seelamantula, KVS Hari Signal Processing 128, 78-87, 2016 | 10 | 2016 |
| 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 | 8 | 2017 |
| Impact of Pilot Overhead and Channel Estimation on the Performance of Massive MIMO AK Kocharlakota, K Upadhya, SA Vorobyov IEEE Transactions on Communications, 2021 | 6 | 2021 |
| 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 | 5 | 2019 |
| Jamming Resilient Indoor Factory Deployments: Design and Performance Evaluation L Chiarello, P Baracca, K Upadhya, SR Khosravirad, S Mandelli, T Wild arXiv preprint arXiv:2202.01272, 2022 | 4 | 2022 |
| Nonlinear Precoding for Quantized Outphasing RF Chains in Massive MIMO Systems K Upadhya, S Wesemann 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring), 1-6, 2021 | 4 | 2021 |
| 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 | 3 | 2018 |
| 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 | 3 | 2017 |
| Determining Target Positions of Mobile Devices K Upadhya, M Moisio, D Korpi, T Ihalainen, M Uusitalo US Patent App. 17/191,804, 2021 | 2 | 2021 |
| Passive Reflectors for Enhancing Cellular UAV Coverage K Upadhya, K Valkealahti, M Moisio, D Korpi, T Ihalainen, MA Uusitalo 2022 IEEE Wireless Communications and Networking Conference (WCNC), 896-901, 2022 | 1 | 2022 |
| Radio frequency transmission chains K Upadhya, C Nuzman, A Ashikhmin, S Wesemann, H Yang US Patent App. 17/471,438, 2022 | 1 | 2022 |
| Channel Estimation in Large-Scale Multi-Antenna Systems for 5G and Beyond-Novel Pilot Structures and Algorithms K Upadhya Aalto University, 2018 | 1 | 2018 |
| Radio frequency transmission K Upadhya, S Wesemann US Patent App. 17/183,772, 2021 | | 2021 |
Mikko VehkaperäNokia Mobile NetworksEmail verificata su nokia.com