Next Generation Wireless Systems Research Group 

Research Interests: 

•  Development of robust signal processing algorithms for advanced wireless communication (4G, 5G, beyond 5G).

• Development of channel estimation and data detection schemes for OFDM/Filter Bank Multi-carrier (FBMC)/ Orthogonal time frequency space (OTFS) based MIMO/massive MIMO/ multi-user MIMO systems.

• Application of Machine Learning techniques for wireless communication systems.

• Implementation of real time wireless communications using  software defined radio (SDR).

PhD Scholars:

1. Sweta Kumari  (18DR0144 )

 Research Topic: Data Detection Techniques for OTFS based 5G communication systems

2. Rahul Mishra  (19DR0116 )

 Research Topic: Development of low complexity data detectors for 5G communication systems

3.  Rakesh Ranjan  (19DR0120 )

Research Topic: Channel estimation of IRS OFDM

4. Rakesh Yadav

Research Collaborations:

• With EE Department of IIT Kanpur 

• With ECE Department IISC Bangalore 

Research Projects:

Publications: (Google Scholar)

Journals: 

1.  R. Ranjan, A. Bhattacharya, S. Mukhopadhyay and H. B. Mishra, "A Gradient Ascent Based Low Complexity Rate Maximization Algorithm for Intelligent Reflecting Surface-Aided OFDM Systems," in IEEE Communications Letters, vol. 27, no. 8, pp. 2083-2087, Aug. 2023.

2. S. Kumari, M. K. Dikkala, S. Mukhopadhyay and H. B. Mishra, "Two Choice Hard Thresholding Pursuit (TCHTP) for Delay-Doppler Channel Estimation in OTFS," in IEEE Wireless Communications Letters, vol. 12, no. 6, pp. 1032-1036, June 2023,, doi: 10.1109/LWC.2023.3257998. 

3.  Dora, S.K., Mishra, H.B. & Sahoo, M. Low Complexity Implementation of OTFS Transmitter using Fully Parallel and Pipelined Hardware Architecture. Journal of Signal Processing  Systems (2023). https://doi.org/10.1007/s11265-023-01847-x 

4. P. Singh, K. Yadav, H. B. Mishra and R. Budhiraja, " BER Analysis For OTFS Zero Forcing Receivers," accepted in IEEE Transactions on Communications

5. P. Singh, A. Gupta, H. B. Mishra and R. Budhiraja, "Low-Complexity ZF/MMSE MIMO-OTFS Receivers For High-Speed Vehicular Communication," Accepted in IEEE Open Journal of the Communications Society 

6.  Himanshu B. Mishra, Singh, P., Prasad, A.K. and Budhiraja, R. "OTFS Channel Estimation And Data Detection Designs With Superimposed Pilots", Accepted in IEEE transactions on Wireless Communications (Impact factor: 7.016)

7. P. Singh, H. B. Mishra, A. K. Jagannatham, K. Vasudevan, and L. Hanzo, “Uplink sum-rate and power scaling laws for multi-user massive MIMO-FBMC systems,” IEEE Transactions on Communications vol. 68, no. 1, pp. 161-176, 2020  (Link)

8.  Singh, Prem, Himanshu B. Mishra, Aditya K. Jagannatham, and K. Vasudevan. "Semi-Blind, Training, and Data-Aided Channel Estimation Schemes for MIMO-FBMC-OQAM Systems." IEEE Transactions on Signal Processing, vol. 67, no. 18, pp. 4668-4682, 2019  (Link)

9.  E. Sharma, Himanshu B. Mishra, K. Vasudevan, R. Budhiraja “ PAPR analysis of superimposed training based SISO/MIMO-OFDM systems with orthogonal affine precoder”  Physical Communication, 25, pp.239-248, 2017 (Link)

10.  HimanshuB.Mishra, K.Vasudevan “Design of superimposed training sequence for spatially correlated multiple-input-multiple-output channels under interference-limited environments” IET communication, vol. 9, no. 10, pp. 1259-1268, 2015 (Link)

Conferences: 

• H. B. Mishra, P. Singh, A. K. Prasad and R. Budhiraja, "Iterative Channel Estimation And Data Detection in OTFS Using Superimposed Pilots," 2021 IEEE International Conference on Communications Workshops (ICC Workshops), 2021, pp. 1-6. 

• P. Singh, H. B. Mishra and R. Budhiraja, "Low-Complexity Linear MIMO-OTFS Receivers," 2021 IEEE International Conference on Communications Workshops (ICC Workshops), 2021, pp. 1-6. 

• Patra, Radhashyam, Arunanshu Mahapatro, Himanshu B. Mishra, Prem Singh, and Sonali Panda. "PAPR and CCDF Analysis of Superimposed Training Sequence-based MIMO-FBMC OQAM Systems." In TENCON 2019-2019 IEEE Region 10 Conference (TENCON), pp. 1489-1493. IEEE, 2019.

• Prem Singh, BagadiUsha Rani, Himanshu B. Mishra, K. Vasudevan “Neighbourhood Detection-based ZF-V-BLAST Architecture for MIMO-FBMC-OQAM Systems”, IEEE Globecom, 2018, Abu Dhabi, UAE 

• Naveen K D Venkategowda, Himanshu B Mishra “Optimal Energy Transmission for Decentralized Detection in Wireless Powered Sensor Networks”, IEEE Vehicular Technology Conference, Fall, 2018 , Chicago, IL, USA

•  Himanshu B Mishra, Naveen K D Venkategowda, Aditya K Jagannatham “Affine-Precoding based Superimposed Training for Semi-Blind Channel Estimation in OSTBC MIMO-OFDM Systems ”, in Fifty-First AsilomarIEEE Conference on Signals, Systems and Computers, Pacific Groove, CA, USA, Oct. 2017.

• E Sharma, Himanshu B Mishra, K Vasudevan “Training Sequence Optimization for Estimating the channel in the Presence of Colored Interference for MIMO-OFDM Systems” Region 10 Conference (TENCON), 2016 IEEE. IEEE, 2016.

• E Sharma, Himanshu B Mishra, K Vasudevan“PAPR Analysis of Superimposed Training Based MIMO-OFDM Systems using an Orthogonal Affine Precoder ” India Conference (INDICON), 2016 IEEE Annual. IEEE, 2016.