Journals

2024

[J72] Superimposed Versus Regular Pilots For Rician-Faded Cell-Free Massive MIMO Systems With Hardware Impairments, IEEE Transactions on Communications, to appear.
Haritha H, Dheeraj Naidu Amudala, Rohit Budhiraja, A K Chaturvedi.

[J71] Near-Field Channel Estimation For XL-MIMO Systems Using Variational Bayesian Learning, IEEE Transactions on Wireless Communications, vol. 22, pp 6654 - 6672, Oct. 2023. [pdf-link]
J. N. Pisharody, Anupama Rajoriya, N. Gupta and Rohit Budhiraja

[J70] Analysis of URLLC-Enabled Hardware-Impaired Massive MIMO Relaying With D2D Users, IEEE Transactions on Vehicular Technology, to appear.
Ravi Kiran, Dheeraj Naidu Amudala, and Rohit Budhiraja

[J69] Analysis And Optimization of URLLC-Enabled Full Duplex Hybrid Massive MIMO Relaying, IEEE Transactions on Communications, to appear.[pdf-link]
M Rakesh, Dheeraj Naidu Amudala, and Rohit Budhiraja

[J68] URLLC in D2D Underlaid Massive MIMO Systems: Receiver Design And GEE Optimization, IEEE Transactions on Communications, to appear.
Dheeraj Naidu Amudala, Reithick A, and Rohit Budhiraja

[J67] Variational Learning Algorithms For Channel Estimation in RIS-assisted mmWave Systems, IEEE Transactions on Communications, vol. 72, pp 222 - 238, Jan. 2024.[pdf-link]
Milind Nakul, Anupama Rajoriya, and Rohit Budhiraja

[J66] RSMA in Massive MIMO Systems: Analysis And Optimization in Correlated Rician-Faded Channels With Phase Shifts And Aging, IEEE Transactions on Communications, vol. 72, pp 239 - 256, Jan. 2024.[pdf-link]
Sauradeep Dey, Tanu Bharti, and Rohit Budhiraja

2023

[J65] Variational Bayesian Learning Based Delay-Doppler Channel Estimator For Multi-User OTFS Systems, IEEE Communications Letters, vol. 27, pp 3355 - 3359, Dec. 2023. [pdf-link]
Nishant Arya, Anupama Rajoriya, Prem Singh, and Rohit Budhiraja

[J64] SE Analysis And GEE Optimization of Hardware-Impaired Multi-cell Massive MIMO Systems With Rician Fading And Phase Shifts, IEEE Transactions on Green Communications, vol. 7, pp 1648 - 1666, Dec. 2023. [pdf-link]
Dheeraj N Amudala, Sauradeep Dey and Rohit Budhiraja

[J63] Design And Analysis of MMSE Precoder For Dual-Polarized Cell-Free Massive MIMO Systems , IEEE Communications Letters, vol. 27, pp 2752 - 2756, Oct. 2023.[pdf-link]
Sourasis Chatterjee, Sauradeep Dey and Rohit Budhiraja

[J62] Wireless Information and Power Transfer Enabled Massive MIMO Multi-Way Relaying, IEEE Transactions on Wireless Communications, vol. 22, pp 6654 - 6672, Oct. 2023. [pdf-link]
Dheeraj N Amudala, and Rohit Budhiraja

[J61] Hardware-Impaired Rician-Faded Cell-Free mMIMO Systems With LSFD And Channel Aging: SE Analysis And Optimization, IEEE Transactions on Communications, vol. 71, pp 5455 - 5472, Sep. 2023.[pdf-link]
Venkatesh Tentu, Dheeraj N Amudala, Anish Chattopadhyay and Rohit Budhiraja

[J60] Design And Optimization of Hardware Impaired Multi-Cell Rician-Faded mMIMO Systems With Pilot Decontamination Precoding, IEEE Transactions on Communications, vol. 71, pp 4877 - 4895, Aug. 2023. [pdf-link]
Dheeraj N Amudala, Harshit Kesarwani, Venkatesh Tentu and Rohit Budhiraja

[J59] Analysis And Optimization of Hardware Impaired FD Rician-Faded mMIMO Systems, IEEE Transactions on Communications, vol. 71, pp 4216 - 4233, Jul. 2023.[pdf-link]
Vishal Kumar, Dheeraj N Amudala, and Rohit Budhiraja

[J58] Joint AMP-SBL Algorithms For Device Activity Detection And Channel Estimation in Massive MIMO mMTC Systems, IEEE Transactions on Communications, vol. 71, pp 2136 - 2152, Apr. 2023. [pdf-link]
Anupama Rajoriya, and Rohit Budhiraja

[J57] Fast Correlated SBL Algorithm For Estimating Correlated Sparse Millimeter Wave Channels, IEEE Communications Letters, vol. 27, pp 1407 - 1411, May. 2023.[pdf-link]
J. N. Pisharody, Anupama Rajoriya, N. Gupta and Rohit Budhiraja

[J56] Covariance-Free Variational Bayesian Learning For Correlated Block Sparse Signals, IEEE Communications Letters, vol. 27, pp 966 - 970, Mar. 2023. [pdf-link]
Anupama Rajoriya, Alok Sharma, and Rohit Budhiraja

[J55] WSEE Optimization of Cell-Free mMIMO Uplink Using Deep Deterministic Policy Gradient, IEEE Communications Letters, vol. 27, pp 219 - 223, Jan. 2023.[pdf-link]
Abhinav Kumar, Tentu Venkatesh, Dheeraj N Amudala, and Rohit Budhiraja

2022

[J54] Low-Complexity LMMSE Receiver Design For Practical Pulse-Shaped MIMO-OTFS Systems, IEEE Transactions on Communications, vol. 70, pp 8383 - 8399, Dec. 2022.[pdf-link]
Prem Singh, Shashank Tiwari and Rohit Budhiraja

[J53] FD Cell-Free Massive MIMO Systems With Downlink Pilots: Analysis And Optimization, IEEE Transactions on Communications, vol. 70, pp 7591 - 7608, Nov. 2022.[pdf-link]
Sauradeep Dey, and Rohit Budhiraja

[J52] Low-Complexity MMSE Receiver Design For Massive MIMO OTFS Systems, IEEE Communications Letters, vol. 26, pp 2759 - 2763, Nov. 2022.[pdf-link]
Mudaassir Sheikh, Prem Singh, and Rohit Budhiraja

[J51] Spatially-Correlated Rician-Faded Multi-Relay Multi-Cell Massive MIMO NOMA Systems, IEEE Transactions on Communications, vol. 70, pp 5317 - 5335, Aug. 2022.[pdf-link]
Dheeraj N Amudala, Bibhor Kumar, and Rohit Budhiraja

[J50] Centralized and Decentralized Channel Estimation in FDD Multi-User Massive MIMO Systems, IEEE Transactions on Vehicular Technology, vol. 71, pp 7325 - 7342, Jul. 2022. [pdf-link].
Anupama Rajoriya, Rohit Budhiraja and Lajos Hanzo

[J49] Spatially-Correlated IRS-Aided Multi-User FD mMIMO Systems: Analysis And Optimization, IEEE Transactions on Communications, vol. 70, pp 3879 - 3896, Jun. 2022. [pdf-link].
Nitish Deshpande, Sauradeep Dey, Dheeraj N Amudala, and Rohit Budhiraja

[J48] BER Analysis For OTFS Zero Forcing Receiver, IEEE Transactions on Communications, vol. 70, pp 2281 - 2297, Apr. 2022. [pdf-link].
Prem Singh, Khushboo Yadav, Himanshu B. Mishra and Rohit Budhiraja

[J47] OTFS Channel Estimation And Data Detection Designs With Superimposed Pilots, IEEE Transactions on Wireless Communications, vol. 21, pp 5209 - 5277, Apr. 2022. [pdf-link].
Himanshu B. Mishra, Prem Singh, Abhishek K. Prasad and Rohit Budhiraja

[J46] UAV-Enabled Hardware-Impaired Spatially Correlated Cell-Free Massive MIMO Systems: Analysis And Energy Efficiency Optimization, IEEE Transactions on Communications, vol. 70, pp 2722 - 2741, Apr. 2022. [pdf-link].
Venkatesh Tentu, Ekant Sharma, Dheeraj Naidu Amudala and Rohit Budhiraja

[J45] Centralized And Decentralized Active User Detection And Channel Estimation in mMTC, IEEE Transactions on Communications, vol. 70, pp 1759 - 1776, Mar. 2022. [pdf-link].
Anupama Rajoriya, Syed Rukhsana and Rohit Budhiraja

[J44] Low-Complexity ZF/MMSE MIMO-OTFS Receivers For High-Speed Vehicular Communication, IEEE Open Journal on Communications, vol. 3, pp 209 - 227, Jan. 2022. [pdf-link].
Prem Singh, Abhishek Gupta, Himanshu B. Mishra and Rohit Budhiraja

2021

[J43] Full-Duplex Cell-Free Massive MIMO Systems: Analysis and Decentralized Optimization, IEEE Open Journal on Communications, vol. 3, pp 31 - 50, Dec. 2021. [pdf-link].
Soumyadeep Datta, Dheeraj Naidu Amudala, Ekant Sharma, Rohit Budhiraja and Shivendra S. Panwar.

[J42] Hardware-Impaired Rician-Faded Massive MIMO FD Relay: Analysis And Optimization, IEEE Transactions on Communications, vol. 69, pp 5209 - 5277, Aug. 2021. [pdf-link].
Sauradeep Dey, Ekant Sharma, and Rohit Budhiraja

[J41] Energy-Efficient Spatially-Correlated Hardware Impaired Massive MIMO FD Relaying, IEEE Transactions on Communications, vol. 69, pp 2028 - 2046, March. 2021. [pdf-link].
Dheeraj Naidu Amudala, Ekant Sharma, and Rohit Budhiraja

2020

[J40] Energy-Efficient Massive MIMO Multi-Relay NOMA Systems With CSI errors, IEEE Transactions on Communications, vol. 68, pp 7410 - 7428, Dec. 2020.[pdf-link].
Vikalp Mandawaria, Ekant Sharma and Rohit Budhiraja

[J39] Robust Transceiver Design for AF Asymmetric Two-Way MIMO Relaying, IEEE Transactions on Signal Processing, vol. 68, pp 5488 - 5503, Sep. 2020.[pdf-link].
Hrushikesha Pradhan, Rohit Budhiraja and Ketan Rajawat

[J38] WSEE Optimization Using Asynchronous ADMM For Massive MIMO Two-Way Relaying , IEEE Communications Letters, vol. 24, pp 2255 - 2259, Oct. 2020. [pdf-link]
Tentu Venkatesh, Ekant Sharma, and Rohit Budhiraja

[J37] Joint-Mapping-Based Variable Active Antenna Spatial Modulation, IEEE Wireless Communications Letters, vol. 9, pp 1668 - 1672, Oct. 2020. [pdf-link]
Shyam Gadhai, and Rohit Budhiraja

[J36] Block-Based Spatial Modulation: Constellation Design And Low-Complexity Detection, IEEE Transactions on Communications, vol. 68, pp 3505 - 3520, Jun. 2020.[pdf-link]
Shyam Gadhai, and Rohit Budhiraja

[J35] Hybrid Massive MIMO Two-Way Relaying With Users And Relay Hardware Impairments , IEEE Signal Processing Letters, vol. 27, pp 486 - 490, Feb. 2020.[pdf-link]
Ekant Sharma, Neha Gupta, Sauradeep Dey and Rohit Budhiraja

[J34] Large-System Analysis of AF Full-Duplex Massive MIMO Two-Way MRC/MRT Relaying, IEEE Transactions on Communications, vol. 68, pp 2061 - 2077, Apr. 2020. [pdf-link]
Biswajit Dutta, Rohit Budhiraja, Nambi Sheshadri and David R. Koilpillai

[J33] Receivers for VBLAST FBMC-OQAM Systems, IEEE Communications Letters, vol. 24, pp 767 - 771, Apr. 2020. [pdf-link]
Prem Singh, Bagadi Usha Rani, Rohit Budhiraja, and K Vasudevan

[J32] Energy Efficiency Optimization of Massive MIMO FD Relay With Quadratic Transform, IEEE Transactions on Wireless Communications, vol. 19, pp 1429 - 1448, Feb. 2020. [pdf-link]
Ekant Sharma, Dheeraj Naidu Amudala, and Rohit Budhiraja

[J31] Optimization For Energy-Efficient OFDM Amplify and Forward Non-Concurrent Two-Way Relaying, IEEE Communications Letters, vol. 24, pp 405 - 409, Feb. 2020. [pdf-link]
Sudarshan Babu, Rohit Budhiraja and Ajit K. Chaturvedi

[J30] Decentralized WSEE Optimization for Massive MIMO Two-Way Half-Duplex AF Relaying, IEEE Transactions on Wireless Communications, vol. 19, pp 1397 - 1414, Feb. 2020. [pdf-link]
Ekant Sharma, Swadha Chauhan, and Rohit Budhiraja

2019

[J29] Spectral Efficiency Optimization of Spatially-Correlated Multi-Pair Full-Duplex Massive MIMO Relaying, IEEE Transactions on Communications, vol. 67, pp 8346 - 8364, Dec. 2019. [pdf-link]
Dheeraj Naidu Amudala, Ekant Sharma, and Rohit Budhiraja

[J28] Transceiver Design for Massive MIMO Two-Way Half-Duplex AF Hybrid Relay With MIMO Users, IEEE Transactions on Vehicular Technology, vol. 68, pp 8759 - 8774, Sept. 2019. [pdf-link]
Ekant Sharma, Arpita Chauhan, and Rohit Budhiraja

[J27] WSEE Maximization of mmWave NOMA Systems, IEEE Communications Letters, vol. 23, pp 1413 - 1417, Aug. 2019. [pdf-link]
Vikalp Mandawaria, Ekant Sharma and Rohit Budhiraja

[J26] Probability of Error in MMSE Detection For MIMO-FBMC-OQAM Systems, IEEE Transactions on Vehicular Technology, vol. 68, pp 8196 - 8200, Aug. 2019. [pdf-link]
Prem Singh, Rohit Budhiraja, and K Vasudevan

[J25] Scaling Analysis of Hardware-Impaired Two-Way Full-Duplex Massive MIMO Relay, IEEE Communications Letters, vol. 23, pp 1249 - 1253, Aug. 2019. [pdf-link]
Sauradeep Dey, Ekant Sharma and Rohit Budhiraja

[J24] Massive MIMO multi-pair two-way half-duplex AF FDD relaying:channel estimation , CSI Transactions on ICT, March 2019, [pdf-link]
Dheeraj Naidu Amudala, Anupama Rajoriya, Ekant Sharma, Sauradeep Dey and Rohit Budhiraja

[J23] Weighted Sum Energy Efficiency Optimization for Massive MIMO Two-Way Half-Duplex AF Relaying, IEEE Wireless Communications Letters, vol. 8, pp 25-28, Feb. 2019. [pdf-link]
Ekant Sharma, Swadha Siddhi Chauhan, and Rohit Budhiraja

[J22] SER Analysis of MMSE Combining For MIMO FBMC-OQAM Systems With Imperfect CSI, IEEE Communications Letters, vol. 23, pp 226 - 229, Feb. 2019. [pdf-link]
Prem Singh, Rohit Budhiraja, and K Vasudevan

[J21] Low-Complexity Subspace-Based Multi-User Hybrid Precoding, IEEE Communications Letters, vol. 23, pp 222 - 225, Feb. 2019. [pdf-link]
Biswajit Dutta, Rohit Budhiraja, and David R. Koilpillai

[J20] Analysis of Quantized MRC-MRT Precoder For FDD Massive MIMO Two-Way AF Relaying, IEEE Transactions on Communications, vol. 67, pp 998 - 1003, Feb. 2019. [pdf-link]
Biswajit Dutta, Rohit Budhiraja, David R. Koilpillai and Lajos Hanzo

2018

[J19] Joint Power Allocation for OFDM-based Non-Concurrent Two-Way AF Relaying, IEEE Communications Letters, vol. 22, pp 2100 - 2103, Oct. 2018. [pdf-link]
Sudarshan Babu, Rohit Budhiraja and Ajit K. Chaturvedi

[J18] New Block-Based Spatial Modulation, IEEE Communications Letters, vol. 22, pp 2016 - 2019, Oct. 2018. [pdf-link]
Shyam Gadhai, Abhay Kumar Sah, A K Singh, Rohit Budhiraja and Ajit K. Chaturvedi

[J17] Spectral- and Energy-Efficiency of Massive MIMO Two-Way Half-Duplex Hybrid Processing AF Relay, IEEE Wireless Communications Letters, vol. 7, pp 876 - 879, Oct. 2018. [pdf-link]
Ekant Sharma, Ashish Shukla, and Rohit Budhiraja

[J16] CFO and Channel Estimation for Frequency Selective MIMO-FBMC/OQAM Systems, IEEE Wireless Communications Letters, vol. 7, pp 844 - 847, Oct. 2018. [pdf-link]
Prem Singh, Ekant Sharma, K Vasudevan and Rohit Budhiraja

[J15] Full-Duplex Massive MIMO Multi-Pair Two-Way AF Relaying: Energy Efficiency Optimization , IEEE Transactions on Communications, vol. 66, pp 3322-3340, Aug. 2018. [pdf-link]
Ekant Sharma, Rohit Budhiraja, K Vasudevan and Lajos Hanzo

[J14] High-Diversity Joint Precoder Design for Non-Concurrent Two-Way AF MIMO Relaying, IEEE Transactions on Communications, vol. 66, pp 2855 - 2872, Jul. 2018. [pdf-link]
Biswajit Dutta, Rohit Budhiraja and David R. Koilpillai

[J13] Bit-Level Reduced Neighborhood Search for Low-complexity Detection in Large MIMO Systems, IEEE Wireless Communications Letters, vol. 7, pp 146-149, Apr. 2018. [pdf-link]
Pushpender Mann, Abhay Kumar Sah, Rohit Budhiraja and Ajit K. Chaturvedi

2017

[J12] PAPR Analysis of Superimposed Training Based SISO/MIMO-OFDM Systems With Orthogonal Affine Precoder, Elsevier Physical Communications, Aug. 2017. [pdf-link]
E Sharma, Himanshu B Mishra, K Vasudevan and Rohit Budhiraja

[J11] A Common Transceiver for Asymmetric and Symmetric Two-way Relaying With Relaxed Antenna Constraints, IEEE Transactions on Vehicular Technology, vol. 66, pp 7026 - 7037, Aug. 2017. [pdf-link]
Rohit Budhiraja and Ajit K Chaturvedi

[J10] Improved Rate-Energy Tradeoff for Energy Harvesting Interference Alignment Networks, IEEE Wireless Communications Letters, vol. 6, pp 410-413, Jun. 2017. [pdf-link]
Rishabh Gupta, Ajit K. Chaturvedi and Rohit Budhiraja

[J9] Limited-Feedback Low-Encoding Complexity Precoder Design for Downlink of FDD Multi-User Massive MIMO Systems, IEEE Transactions on Communications, vol. 5, pp 1956 - 1971, May. 2017. [pdf-link]
Biswajit Dutta, Rohit Budhiraja and David R. Koilpillai

2016 and earlier

[J8] Transceiver Design for Non-Concurrent Two-way MIMO AF Relaying With QoS Guarantees, IEEE Transactions on Vehicular Technology, vol. 65, pp 9651-9661, Dec. 2016. [pdf-link]
Rohit Budhiraja and Bhaskar Ramamurthi

[J7] Joint Transceiver Design for QoS-Constrained MIMO Two-Way Non-Regenerative Relaying Using Geometric Programming, IEEE Transactions on Wireless Communications, vol. 15, pp 3453-3465, May 2016. [pdf-link]
Rohit Budhiraja and Bhaskar Ramamurthi

[J6] Joint Transceiver Design for Non-Concurrent MIMO Two-way AF Relaying, IEEE Wireless Communications Letters, vol. 4, pp 497-500, Oct. 2015. [pdf-link]
Rohit Budhiraja and Bhaskar Ramamurthi

[J5] Multiuser Two-Way Non-Regenerative MIMO Relaying With Non-Concurrent Traffic, IEEE Transactions on Vehicular Technology, vol. 64, pp 3268-3273, Jul. 2015. [pdf-link]
Rohit Budhiraja and Bhaskar Ramamurthi

[J4] Joint Precoder and Receiver Design for AF Non-Simultaneous Two-way MIMO Relaying, IEEE Transactions on Wireless Communications, vol. 14, pp. 2942-2955, Jun. 2015. [pdf-link]
Rohit Budhiraja and Bhaskar Ramamurthi

[J3] Linear Precoders for Non-Regenerative Asymmetric Two-way Relaying in Cellular Systems, IEEE Transactions on Wireless Communications, vol. 13, pp. 5002-5014, Sep. 2014. [pdf-link]
Rohit Budhiraja, Karthik KS and Bhaskar Ramamurthi

[J2] End-to-End India UK Transnational Wireless Testbed, ICTACT Journal on Communication Technology, vol. 2, pp. 323-328, May. 2011. [pdf]
Rohit Budhiraja, Bhaskar Ramamurthi, Babu Narayanan and A Oredope

[J1] Efficient Low Bit-Rate Low-Latency Channelization in DECT, EURASIP Journal on Wireless Communications and Networking, vol. 2006, pp. 1-8, May. 2006. [pdf-link]
Rohit Budhiraja and Bhaskar Ramamurthi