Ribhu Chopra

47 papers B 1Journal 38Unranked 8
YearRankTypeTitle / Venue / Authors
2026 J jnl
Incremental Feedback-Enabled MIMO-OTFS Communication Systems.
IEEE Open J. Commun. Soc.
Naresh Kolla, Tanveer Sharma, Kumar Appaiah, Ribhu Chopra
2026 — conf
Pilot Clustering in Cell-Free mMIMO Systems Under Mixed LoS/NLoS Channels.
NCC
Ashish Pratap Singh, Anubhab Chowdhury, Ribhu Chopra
2025 — conf
User Centric Feedback Bit Allocation in CF-mMIMO under LoS/NLoS Channels.
NCC
Ashish Pratap Singh, Ribhu Chopra
2024 J jnl
Adaptive Data-Aided Time-Varying Channel Tracking for Massive MIMO Systems.
IEEE Trans. Commun.
Ribhu Chopra, Chandra R. Murthy, Kumar Appaiah
2024 J jnl
MIMO Radars and Massive MIMO Communication Systems Can Coexist.
IEEE Trans. Veh. Technol.
Aparna Mishra, Ribhu Chopra
2024 — conf
On the Coexistence of Multi-Static Tracking Radars with Cell Free Massive MIMO.
NCC
Aparna Mishra, Ribhu Chopra, Bhavani Shankar M. R.
2024 J jnl
PSA based power control for cell-free massive MIMO under LoS/NLoS channels.
Phys. Commun.
Ashish Pratap Singh, Ribhu Chopra
2024 J jnl
Statistical beamforming for cell free massive MIMO under mixed LoS/ NLoS channels.
Phys. Commun.
Sai Manikanta Rishi Rani, Ribhu Chopra, Kumar Appaiah
2023 J jnl
Efficient Parameterized Precoder Tracking in Slowly Time-Varying MIMO Channels.
IEEE Commun. Lett.
Naresh Kolla, Kumar Appaiah, Ribhu Chopra
2023 J jnl
How much Training is Needed in Downlink Cell-Free mMIMO under LoS/NLoS channels?
CoRR
Sai Manikanta Rishi Rani, Ribhu Chopra, Kumar Appaiah
2023 J jnl
Impact of mobility on the downlink performance of cell-free massive MIMO systems.
Phys. Commun.
Abhinav Anand, Chandra R. Murthy, Ribhu Chopra
2023 J jnl
MIMO Radars and Massive MIMO Communication Systems can Coexist.
CoRR
Aparna Mishra, Ribhu Chopra
2023 J jnl
PSA Based Power Control for Cell-Free Massive MIMO under LoS/NLoS Channels.
CoRR
Ashish Pratap Singh, Ribhu Chopra
2022 J jnl
Can Dynamic TDD Enabled Half-Duplex Cell-Free Massive MIMO Outperform Full-Duplex Cellular Massive MIMO?
IEEE Trans. Commun.
Anubhab Chowdhury, Ribhu Chopra, Chandra R. Murthy
2022 — conf
Dynamic TDD Enabled Distributed Antenna Array Massive MIMO System.
SAM
Anubhab Chowdhury, Chandra R. Murthy, Ribhu Chopra
2022 J jnl
Impact of Mobility on Downlink Cell-Free Massive MIMO Systems.
CoRR
Abhinav Anand, Chandra R. Murthy, Ribhu Chopra
2022 J jnl
On the Performance of Distributed Antenna Array Systems With Quasi-Orthogonal Pilots.
IEEE Trans. Veh. Technol.
Anubhab Chowdhury, Pradip Sasmal, Chandra R. Murthy, Ribhu Chopra
2022 J jnl
Optimal Channel Tracking and Power Allocation for Time Varying FDD Massive MIMO Systems.
IEEE Trans. Commun.
Irina Merin Baby, Kumar Appaiah, Ribhu Chopra
2022 J jnl
Performance Analysis of Cell-Free Massive MIMO Systems in LoS/ NLoS Channels.
IEEE Trans. Veh. Technol.
Sudarshan Mukherjee, Ribhu Chopra
2021 J jnl
Can Dynamic TDD Enabled Half-Duplex Cell-Free Massive MIMO Outperform Full-Duplex Cellular Massive MIMO?
CoRR
Anubhab Chowdhury, Ribhu Chopra, Chandra R. Murthy
2021 J jnl
Data Aided MSE-Optimal Time Varying Channel Tracking in Massive MIMO Systems.
IEEE Trans. Signal Process.
Ribhu Chopra, Chandra R. Murthy
2021 J jnl
Deep Learning Based Semi-Blind Tracking for Aging Wireless Communication Channels.
Wirel. Pers. Commun.
Achal Dave, Sachit Kuhar, Ribhu Chopra
2021 J jnl
Outage Probability Analysis of IRS-Assisted Systems Under Spatially Correlated Channels.
CoRR
Trinh Van Chien, Anastasios K. Papazafeiropoulos, Lam-Thanh Tu, Ribhu Chopra, Symeon Chatzinotas, Björn E. Ottersten
2021 J jnl
Outage Probability Analysis of IRS-Assisted Systems Under Spatially Correlated Channels.
IEEE Wirel. Commun. Lett.
Trinh Van Chien, Anastasios K. Papazafeiropoulos, Lam-Thanh Tu, Ribhu Chopra, Symeon Chatzinotas, Björn E. Ottersten
2021 J jnl
Uplink Performance Analysis of Cell-Free mMIMO Systems Under Channel Aging.
IEEE Commun. Lett.
Ribhu Chopra, Chandra R. Murthy, Anastasios K. Papazafeiropoulos
2021 J jnl
Uplink Performance Analysis of Cell-Free mMIMO Systems under Channel Aging.
CoRR
Ribhu Chopra, Chandra R. Murthy, Anastasios K. Papazafeiropoulos
2020 J jnl
Blind Channel Estimation for Downlink Massive MIMO Systems With Imperfect Channel Reciprocity.
IEEE Trans. Signal Process.
Ribhu Chopra, Chandra R. Murthy, Himal A. Suraweera, Erik G. Larsson
2020 J jnl
Downlink Pilots for Hybrid Massive MIMO Under Reciprocity Imperfections.
IEEE Commun. Lett.
Soumendu Ghosh, Ribhu Chopra
2020 J jnl
Frame Structures for Massive MIMO Communications Under Channel Aging.
Wirel. Pers. Commun.
Anubhab Chowdhury, Ribhu Chopra
2020 J jnl
Performance Analysis of Cell Free Massive MIMO systems in LoS/ NLoS Channels.
CoRR
Sudarshan Mukherjee, Ribhu Chopra
2019 J jnl
Analysis of Nonorthogonal Training in Massive MIMO Under Channel Aging With SIC Receivers.
IEEE Signal Process. Lett.
Ribhu Chopra, Chandra R. Murthy, Himal A. Suraweera, Erik G. Larsson
2019 — conf
On the Achievable Rates of Full-Duplex Massive MIMO Systems Under Channel Aging.
SPAWC
Anubhab Chowdhury, Ribhu Chopra, Chandra R. Murthy, Himal A. Suraweera
2019 J jnl
Physical Layer Security in Wireless Sensor Networks Using Distributed Co-Phasing.
IEEE Trans. Inf. Forensics Secur.
Ribhu Chopra, Chandra R. Murthy, Ramesh Annavajjala
2019 J jnl
Training for massive MIMO systems with non-identically aging user channels.
Phys. Commun.
Soumendu Ghosh, Ribhu Chopra
2018 J jnl
Performance Analysis of FDD Massive MIMO Systems Under Channel Aging.
IEEE Trans. Wirel. Commun.
Ribhu Chopra, Chandra R. Murthy, Himal A. Suraweera, Erik G. Larsson
2018 J jnl
Statistical Tests for Detecting Granger Causality.
IEEE Trans. Signal Process.
Ribhu Chopra, Chandra Ramabhadra Murthy, Govindan Rangarajan
2018 — conf
Uplink Training for Massive MIMO Systems Under Channel Aging.
SPCOM
Ribhu Chopra
2017 J jnl
Distributed Cophasing With Autonomous Constellation Selection.
IEEE Trans. Signal Process.
Ribhu Chopra, Ramesh Annavajjala, Chandra R. Murthy
2017 J jnl
Multistream Distributed Cophasing.
IEEE Trans. Signal Process.
Ribhu Chopra, Chandra R. Murthy, Ramesh Annavajjala
2017 J jnl
Spectrum sensing for OFDM signals using pilot induced cyclostationarity in the presence of cyclic frequency offset.
Phys. Commun.
Ribhu Chopra, Debashis Ghosh, D. K. Mehra
2016 J jnl
FRESH Filter-Based Spectrum Sensing in the Presence of Cyclic Frequency Offset.
IEEE Wirel. Commun. Lett.
Ribhu Chopra, Debashis Ghosh, D. K. Mehra
2016 — conf
Multi-stream distributed co-phasing: Design and analysis.
SPAWC
Ribhu Chopra, Chandra R. Murthy, Ramesh Annavajjala
2016 J jnl
On the Throughput of Large MIMO Beamforming Systems With Channel Aging.
IEEE Signal Process. Lett.
Ribhu Chopra, Chandra R. Murthy, Himal A. Suraweera
2016 J jnl
Performance evaluation of FRESH filter based spectrum sensing for cyclostationary signals.
Phys. Commun.
Ribhu Chopra, Debashis Ghosh, D. K. Mehra
2015 — conf
Cooperative spectrum sensing for cognitive radios using jointly adaptive FRESH filters.
NCC
Ribhu Chopra, Debashis Ghosh, D. K. Mehra
2014 J jnl
Spectrum Sensing for Cognitive Radios Based on Space-Time FRESH Filtering.
IEEE Trans. Wirel. Commun.
Ribhu Chopra, Debashis Ghosh, D. K. Mehra
2013 B conf
Parameter tuning for multi-prototype possibilistic classifier with reject options.
FUZZ-IEEE
Debashis Ghosh, Ribhu Chopra, A. P. Shivaprasad