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Research Publications

Journals:

[J18] Hardware-Impaired Rician-Faded Massive MIMO FD Relay: Analysis And Optimization, IEEE Transactions on Communications, to appear (early access). [pdf-link]
Sauradeep Dey, Ekant Sharma, and Rohit Budhiraja

[J17] Energy-Efficient Spatially-Correlated Hardware Impaired Massive MIMO FD Relaying, IEEE Transactions on Communications, vol. 69, no. 3, pp. 2028-2046, March 2021. [pdf-link]
Dheeraj Naidu Amudala, Ekant Sharma, and Rohit Budhiraja

[J16] Energy-Efficient Massive MIMO Multi-Relay NOMA Systems With CSI errors, IEEE Transactions on Communications, vol. 68, no. 12, pp. 7410-7428, Dec. 2020. [pdf-link]
Vikalp Mandawaria, Ekant Sharma and Rohit Budhiraja

[J15] 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

[J14] 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

[J13] 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

[J12] 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

[J11] 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

[J10] 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

[J9] 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

[J8] 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

[J7] 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

[J6] 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

[J5] 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

[J4] 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

[J3] 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

[J2] PAPR Analysis of Superimposed Training Based SISO/MIMO-OFDM Systems With Orthogonal Affine Precoder, Elsevier Physical Communications, Aug. 2017. [pdf-link]
Ekant Sharma, Himanshu B Mishra, K Vasudevan and Rohit Budhiraja

[J1] BER Efficient Interleaved OFDM System, Wireless Personal Communications, Springer, 98, no. 1 (2018): 1531-1546. [pdf-link]
Ekant Sharma, Sahil Rane, and K Vasudevan

Conferences:

[C19] FD Cell-Free mMIMO: Analysis and Optimization, to appear in IEEE International Conference on Communications (ICC), Jun 2021.
Soumyadeep Datta, Ekant Sharma, Dheeraj Naidu Amudala, Rohit Budhiraja and Shivendra Panwar

[C18] UAV-Enabled Hardware-Impaired Cell-free Massive MIMO With Spatially-Correlated Rician Fading, to appear in IEEE International Conference on Communications (ICC), Jun 2021.
Venkatesh Tentu, Dheeraj Naidu Amudala, Ekant Sharma and Rohit Budhiraja

[C17] Max-Min Fairness for Wireless-Powered Spatially Correlated Massive MIMO Multi-way Relaying, to appear in IEEE International Conference on Communications (ICC), Jun 2021.
Aditya Gupta, Dheeraj Naidu Amudala, Ekant Sharma and Rohit Budhiraja

[C16] Dynamic Resolution ADC/DAC Massive MIMO FD Relaying System Over Correlated Rician Channel, Proceedings of IEEE EUSIPCO 2020, Amsterdam, Netherlands, pp. 1-6, Jan. 2021.
Sauradeep Dey, Ekant Sharma, and Rohit Budhiraja

[C15] Spectral Efficiency for Massive MIMO Multi-Relay NOMA Systems with CSI errors, Proceedings of IEEE EUSIPCO 2020, Amsterdam, Netherlands, pp. 1-6, Jan. 2021.
Vikap Mandawaria, Ekant Sharma, and Rohit Budhiraja

[C14] Impact of User and Relay Hardware Impairments on Spectral Efficiency of HD Massive MIMO Relay, Proceedings of IEEE SPCOM 2020, Bengaluru, India, pp. 1-6, July. 2020.
Sauradeep Dey, Ekant Sharma, and Rohit Budhiraja

[C13] Spatially-Correlated Hardware-Impaired Massive MIMO FD Relaying With MIMO Users, Proceedings of IEEE ICC, 2020, Dublin, Ireland, pp. 1-6, Jan. 2020.
Dheeraj Naidu Amudala, Ekant Sharma and Rohit Budhiraja

[C12] Energy Efficient Multi-Pair Massive MIMO Two-Way AF Relaying: A Deep Learning Approach, Proceedings of IEEE COMSNETS, 2020, Bengaluru, India, pp. 1-6, Jan. 2020.
Venkatesh Tentu, Dheeraj Naidu Amudala, Anupama Rajoriya, Ekant Sharma and Rohit Budhiraja

[C11] Power Scaling for Massive MIMO UAV Communication System, Proceedings of IEEE COMSNETS, 2020, Bengaluru, India, pp. 1-6, Jan. 2020.
Soumyadeep Datta, Ekant Sharma and Rohit Budhiraja

[C10] Multi-Pair Two-way Full-Duplex Massive MIMO Relaying with Non-Ideal Hardware, Proceedings of IEEE Globecomm 2019, Hawai, USA, pp. 1-6, Dec. 2019.
Sauradeep Dey, Ekant Sharma, and Rohit Budhiraja

[C9] Energy Efficiency Optimization of Massive MIMO FD Relay Using Quadratic Programming, Proceedings of IEEE SPAWC 2019, Cannes, France, pp. 1-6, Jul. 2019. [pdf-link]
Ekant Sharma, Dheeraj Naidu Amudala, and Rohit Budhiraja

[C8] Spectral Efficiency of Multi-pair Two-Way Massive MIMO Relay With Correlated Hardware Distortion, Proceedings of IEEE SPAWC 2019, Cannes, France, pp. 1-6, Jul. 2019. [pdf-link]
Neha Gupta, Ekant Sharma, Sauradeep Dey, and Rohit Budhiraja

[C7] QoS-Constrained Energy-Efficient AF Two-Way Full-Duplex Relaying with Massive Antennas, Proceedings of IEEE SPCOM 2018, IISc Bangalore, India, pp. 1-6, Jul. 2018. [pdf-link]
Ekant Sharma and Rohit Budhiraja

[C6] Hybrid Block Diagonalization for Massive MIMO Two-Way Half-Duplex AF Hybrid Relay, Proceedings of IEEE SPCOM 2018, IISc Bangalore, India, pp. 1-6, Jul. 2018. [pdf-link]
Arpita Chauhan, Ekant Sharma, and Rohit Budhiraja

[C5] Spectral- and Energy-Efficiency for Massive MIMO Two-Way Full-Duplex Hybrid Processing AF Relay, Proceedings of IEEE SPCOM 2018, IISc Bangalore, India, pp. 1-6, Jul. 2018. [pdf-link]
Ekant Sharma, Ashish Kant Shukla, and Rohit Budhiraja

[C4] Multi-Pair Two Way AF Full-Duplex Massive MIMO Relaying with ZFR/ZFT Processing, Proceedings of IEEE PIMRC 2017, Montreal, QC, Canada, October 8-13, 2017. [pdf-link]
Ekant Sharma, Rohit Budhiraja and Kasturi Vasudevan

[C3] PAPR Analysis of Superimposed Training Based MIMO-OFDM Systems using an Orthogonal Affine Precoder, IEEE 13th International Conference INDICON, Bengaluru, India, Dec 2016. [pdf-link]
Ekant Sharma, H. B. Mishra, and K Vasudevan

[C2] Training Sequence Optimization for Estimating the Channel in the Presence of Colored Interference for MIMO-OFDM Systems, IEEE Region 10 Conference (TENCON), Singapore, Nov 2016. [pdf-link]
Ekant Sharma, H. B. Mishra, and K Vasudevan

[C1] PAPR and BER Minimized OFDM Systems with Low Complexity Channel Independent Precoders, 22nd IEEE Symposium on Communications and Vehicular Technology in the Benelux (SCVT), Luxembourg, Nov 2015. [pdf-link]
Ekant Sharma and K Vasudevan