Last Five Years' Publications

1.S. Sharma, P. K Singya, K. Deka, C. Adjih, M. Sharma “Terahertz Communication: Stateof-
the-Art and Future Directions,”IEEE Open Journal of the Communications Society, vol.
PP, pp. 1-47, 2025.
2. S. Singh, K. Deka, S. Sharma, Y. P. Lin, N. Rajamohan “Beamforming Optimization and
ADMM-Based Detection in IRS-aided OTFS Systems,”IEEE Open Journal of the Communications
Society, vol.6, pp. 1948-1964, 2025.
3. A. Kumar, S. Sharma, M.H. Kumar, and G. Singh “RIS-Assisted Terahertz Communications
for 6G Networks: A Comprehensive Overview,”IEEE Access, vol.13, pp. 96337-96364, 2025.
4. S. Sharma and Y. Ho Chung “Impact of Beam Split and IQ Mismatch on BER Performance
of IRS-aided THz Communications,”The Journal of Korean Institute of Communications and
Information Sciences, vol.50, no.5, pp. 793-802, 2025.
5. M. Hemanta Kumar, A. Kumar, S. Sharma, and M. Vonod Kumar “Performance Analysis
of a Spatial Modulation aided Cooperative NOMA System,”IEEE Communications Letters,
2024 (accepted).
6. V. Sharma, P. Keshari, S. Sharma, K. Deka, O. Krejcar, and V. Bhatia ‘Deep Learning Model
for CS-based Signal Recovery for IRS-Assisted Near-Field THz MIMO System,”IEEE Open
Journal of Vehicular Technology, 2024 (accepted).
7. V. Sharma, D. Kuamr, S. Sharma V. Bhatia, O. Krejcar, and P. Brida ‘Performance of IRSAssisted
MIMO THz System Using Compressed Sensing-Based Measurement Matrix,”IEEE
Access, 2024 (accepted).
8. R.K. Hindustani, D. Dixit, S. Sharma “On the performance of multiple-IRS aided wireless
networks over Nakagami-m fading channels,”International Journal of Communication Systems,
2024 (accepted).
9. V. Vikas, K. Deka, S. Sharma, and A. Rajesh, “ADMM-based Detector for Large-scale
MIMO Dense Code-domain NOMA Systems,”IEEE Transactions on Vehicular Technology.,
2024 (accepted).
10. A. Singh, S. Sharma, M. Sharma, K. Deka, and DB da Costa ‘Autoencoder Based End-to-end
OTFS System Design With Hardware Impairments,”IEEE Wireless Communications Letters,
2024 (accepted).
11. S. Sharma, A. Mishra, K. Deka, and V. Bhatia ‘IRS-Enhanced Cooperative NOMA: A Contemporary
Review,”IEEE Access, 2024 (accepted).
12. S. Sharma, K. Deka, and A. Mishra “Reconfigurable Intelligent Surfaces Aided Terahertz
Communication for 6G: Challenges and Potential Solutions,”Springer, Wireless Personal Communications,
2024 (accepted).
13. V. Sharma, N. Garg, S. Sharma, and V. Bhatia, “A mini-review of signal processing techniques
for RIS-assisted near field THz communication,”Frontiers in Signal Processing, 2024
(accepted).
14. A. Singh, S. Sharma, K. Deka, and V. Bhatia ‘Deep Learning-Assisted OFDM Detection
with Hardware Impairments,”Journal of Communications and Information Networks, 2023
(accepted).
15. A. Singh, S. Sharma, M. Sharma, K. Deka “Low Complexity Deep-Decoder for OTSM with
Hardware Impairments,”IEEE Communications Letters, 2023 (accepted).
16. A. Singh, S. Sharma, K. Deka, V. Bhatia “DL-based OTFS Signal Detection in Presence of
Hardware Impairments,”IEEE Wireless Communications Letters, Vol. 12, No.9, pp.1533-1537,
2023.
17. R.K. Hindustani, D. Dixit, S. Sharma “Outage probability analysis of multiple intelligent reflecting
surface-assisted single-input single-output system with switched diversity,”International
Journal of Communication Systems, 2023 (accepted).
18. R.K. Hindustani, D. Dixit, S. Sharma, V. Bhatia “Outage Probability of Multiple-IRSAssisted
SISO Wireless Communications over Rician Fading,”Elsevier, Physical Communication,
2023 (accepted).
19. A. Thomas, K. Deka, S. Sharma, and N. Rajamohan “IRS-Assisted OTFS System: Design
and Analysis,”IEEE Transactions on Vehicular Technology, 2022 (accepted).
20. R. Makkar, D. Dixit, D. Rawal, N. Sharma, S. Sharma “On the Exact Closed-Form ABEP
Analysis of Downlink NOMA over mmWave TWDP Fading,”IEEE Communications Letters,
2022 (accepted).
21. M. Hemanta, S. Sharma, K. Deka, and M. Thottappan “Reconfigurable Intelligent Surfaces
Assisted Hybrid NOMA System,”IEEE Communications Letters, 2022 (accepted).
22. S. Sharma, K. Deka, and V. Bhatia “Intelligent Reflecting Surface Aided Downlink SCMA,”IEEE
Systems Journal, 2022 (accepted).
23. A. Thomas, K. Deka, P. Raviteja, and S. Sharma, “Convolutional Sparse Coding based
Channel Estimation for OTFS-SCMA in Uplink,”IEEE Transactions on Communications,
2022 (accepted).
24. V. Vikas, A. Rajesh, K. Deka, and S. Sharma, “A Comprehensive Technique to Design SCMA
Codebooks,”IEEE Communications Letters, 2022 (accepted).
25. M. Hemanta, S. Sharma, K. Deka, and M. Thottappan, “Reconfigurable intelligent surface
assisted downlink INOMA system,”Emerging Telecommunications Technologies- Wiley , 2022
(accepted).
26. M. Hemanta, S. Sharma, K. Deka, and M. Thottappan, “Multiple reconfigurable intelligent
surfaces assisted downlink NOMA system,”International Journal of Communication Systems
, 2022 (accepted).
27. S. Sharma, K. Deka, D. Dixit, and A. Rajesh, “Intelligent Reflecting Surface-Assisted Downlink
NOMA Systems,”International Journal of Communication Systems , 2022, (accepted).
28. K. Deka and S. Sharma, “Hybrid NOMA for Future Radio Access: Design, Potentials and
Limitations,”Springer Wireless Personal Communications, pp. 1-16, 2021.
29. S. Sharma, K. Deka, Y. Hong, and D. Dixit, “Intelligent Reflecting Surface-Assisted Uplink
SCMA System,”IEEE Communications Letters, vol. 25, no. 8, pp. 2728-2732, 2021.
30. M. S. Thakur, S. Sharma, and V. Bhatia, “Iterative signal detection to mitigate ISI and MUI
for diffusion-based molecular communications,”Elsevier Nano Communication Networks, vol.
30, pp. 100377, 2021.
31. K. Deka, A. Thomas, and S. Sharma, “OTFS-SCMA: A Code-Domain NOMA Approach for
Orthogonal Time Frequency Space Modulation,”IEEE Transactions on Communications, vol.
69, no. 8, pp. 5043-5058 2021.
32. S. Sharma, K. Deka, and M. Mandloi, “Deep Learning Noncoherent UWB Receiver Design,”
IEEE Sensors Letters, vol. 6, no. 6, 2021.
33. M. Hemanta, S. Sharma, M. Thottappan, and K. Deka, “Precoded Spatial Modulation-Aided
Cooperative NOMA,”IEEE Communications Letters, vol. 25, no. 6, pp. 2053 - 2057, 2021.
34. D. Dixit, N. Kumar, S. Sharma, V. Bhatia, S. Panic, and C. Stefanovic, “On the ASER Performance
of UAV-Based Communication Systems for QAM Schemes,”IEEE Communications
Letters, vol. 25, no. 6, pp. 1835 - 1838, 2021.
35. S. Sharma, K. Deka, and B. B. Lozano, “Low-complexity Detection for Uplink Massive MIMO
SCMA Systems,”IET Communications, vol. 15, no. 1, pp. 51-59, 2021.
36. M. S. Thakur, S. Sharma, and V. Bhatia, “Molecular Signal Detection Using Nonlinear
Mapping,”IEEE Wireless Communications, vol. 10, no. 3, pp. 547-551, 2021.
37. R. Mitra, S. Sharma, G Kaddoum, and V. Bhatia “Color-domain SCMA NOMA for Visible
Light Communication,”IEEE Communications Letters, vol. 25, no. 1, pp. 200-204, 2020.
38. M. S. Thakur, S. Sharma, and V. Bhatia “Adaptive and Non-Coherent Signal Detection for
Diffusion based Molecular Communications,”IEEE Transactions on Molecular, Biological, and
Multi-Scale Communications vol. 6, no. 1, pp. 36 - 49, 2020.
39. S. Sharma and Y. Hong, “A Hybrid Multiple Access Scheme via Deep Learning based Detection,”
IEEE Systems Journal, vol. 15, no. 1, pp. 981-984, 2020.
40. S. Sharma and Y. Hong, “UWB Receiver Via Deep Learning in MUI and ISI Scenarios,”
IEEE Transactions on Vehicular Technology, vol. 69, no. 3, pp. 3496 - 3499, 2020.
41. V. Bhatia, P. Swami, S. Sharma and R. Mitra, “Non-orthogonal Multiple Access as an
Enabler for Massive Connectivity for 5G and Beyond Networks,” Journal of the Indian Institute
of Science, pp. 337–348, 2020.
42. S. Sharma, K. Deka, and V. Bhatia “Thresholdless Detection of Symbols in Nano-Communication
Systems,” IEEE Transactions on NanoBioscience, vol. 19, no. 2, pp. 259 -266, 2020.

Conference Papers: 

M.H. Kumar, S. Sharma, Y. Yoganandam, K. Deka, A. Kherani “Reconfigurable Intelligent
Surfaces Assisted SM-Cooperative NOMA for THz Communications,”IEEE National Conference
on Communications (NCC), 2024 (accepted).
 A. Singh, S. Sharma, M. Sharma, and K. Deka “DL-Based MIMO-OTFS With Hardware Impairments,”
IEEE IEEE Wireless Communications and Networking Conference (WCNC) , 2024 (accepted).

S. Sharma, K. Deka, C. Adjih, and Alok Kumar “Performance Analysis of Active Intelligent
Reflecting Surface-Assisted System: BER and Sum-Rate Evaluation,”IEEE International Conference
on Advanced Networks and Telecommunications Systems (ANTS), 2023 (accepted).

S. Sharma, A. Singh, K. Deka, and C. Adjih “Impact of Nonlinear Power Amplifier on BER
Performance of OTFS Modulation,”IEEE International Conference on Advanced Networks and
Telecommunications Systems (ANTS), 2023 (accepted).

S. Sharma, K. Deka, and Y. Hong, “User activity detection-based large SCMA system for uplink grant-free access,” in Proc. IEEE International Conference on Communications, Shanghai, China, 20-24 May 2019.
S. Sharma, K. Deka, and V. Bhatia, ‘Hybrid Modulation Scheme and Modified Energy Detector for Molecular Communications,” in Proc. IEEE International Conference on Advanced Networks and Telecommunications Systems, Goa, India, 16-19 Dec. 2019.
M. Thakur, S. Sharma, and V. Bhatia, ‘Weighted Higher Order Detector for Diffusion based Molecular Communications,” in Proc. IEEE International Conference on Advanced Networks and Telecommunications Systems, Goa, India, 16-19 Dec. 2019.
S. Sharma, V. Bhatia, A. Gupta, and K. Deka, “Design of Sub-Nyquist Receiver for Sparse and Localized UWB Signals,” in Proc. IEEE International Symposium on Wireless Communication Systems, Oulu, Finland, 27-30 Aug. 2019.
M. Thakur, S. Jain, S. Sharma, and V. Bhatia, “Nonlinear Receiver for Diffusion-Based Molecular Communications,” in Proc. IEEE Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Istanbul, Turkey, 8-11 Sep. 2019.
S. Sharma, K. Deka, V. Bhatia, and A. Gupta, “SCMA codebook based on optimization of mutual information and shaping gain,” in Proc. IEEE GLOBECOM, Abu Dhabi, UAE, 9-13,Dec. 2018.
S. Sharma and V. Bhatia, “Distributed detection over wireless sensor networks using sparse active sensors estimation,” in URSI Asia Pacific Radio Science Conference, 2019.
M. Thakur, S. Sharma, and V. Bhatia, “Noncoherent detection for dynamic transmitter and receiver in molecular communication,” in Proc. IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), IIT Indore, India, 16-19 December 2018.
S. Sharma, A. Bishnu, A. Gupta, and V. Bhatia, “Improved noncoherent receiver for joint range and symbol estimation,” in Proc. IEEE International Conference on Signal Processing and Communications (SPCOM), Indian Institute of Science (IISc) Bangalore, 16-19 July 2018.
S. Sharma, V. Bhatia, and A. Gupta, “An iterative transmitted reference UWB receiver for joint ToA and data symbols estimation,” in Proc. IEEE ICC, Kansas City, MO, USA, 20-24 May 2018.
S. Sharma, A. Gupta, and V. Bhatia, “Joint estimation of ToA and data symbols in UWB communication in presence of impulsive interference,” in Proc. IEEE GLOBECOM, Singapore, 4-8 Dec. 2017.
S. Sharma, A. Gupta, and V. Bhatia, “A simple modified peak detection based UWB receiver for WSN and IoT applications,” in Proc. IEEE 85th Veh. Technol. Conf. (VTC)-Spring, Sydney, Australia, 4-7 June 2017.
S. Sharma, V. Bhatia, and A. Gupta, “A non-coherent UWB receiver using signal cluster sparsity,” in Proc. IEEE National Conference on Communications (NCC) , IIT Madras, India, 2-4 March 2017.
S. Sharma and V. Bhatia, “Performance analysis of filtered PSM signal using non-matched receiver for UWB communication,” in Proc. IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), IISc Bangalore, India, 6-9 Nov. 2016.
S. Sharma, A. Gupta, and V. Bhatia, “Sparsity based UWB receiver design in additive impulse noise channels,” in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Edinburgh, UK, pp. 1-5, 3-6 July 2016.
S. Sharma, A. Sharma, and V. Bhatia, “Performance of pulse position modulation using various UWB pulses,” in Proc. IEEE International Advance Computing Conference (IACC), Banglore, India, pp. 1-5, 12-13 June 2015.

I am looking for highly motivated graduate students who are interested in pursuing research in wireless communications, machine learning, signal processing for wireless communications. Prospective students should apply for PhD position@IIT BHU.

•  M Hemant Kumar (completed)
•  Rahul Kumar (completed)
•  Amit Singh (ongoing)
• Tonmoy Rajkhowa (ongoing)
•  Rishikesh Bharti (ongoing)

“6G Wireless Networks: Challenges and Opportunities”, October 2024, Inria, France Funded by CEFIPRA
First Workshop on “Terahertz Communications: Opportunities and Challenges for 6G” in IEEE ANTS 2021
(Hyderabad)
Second Workshop on “Terahertz Communications: Opportunities and Challenges” in IEEE ANTS 2022 (IIT
Gandhinagar)

Indo-South Korea Joint Network Center for Environmental Cyber Physical Systems (2021-2024), DST, Government of India

Implementation of Terahertz Band Communication for Next-generation Wireless Networks(2021-2023), SERB, Government of India

Machine Learning Enabled Next-generation IoT Communications

Development of Variable Data Rate CCSDS Compliant Direct Digital Demodulator (Co-PI)

AI / ML for Beamforming in 6G (Co-PI)

Design and Analysis of OTFS-based Multi-user Terahertz Communication for 6G (Co-PI)

IRS-Aided OTFS Framework for Integrated Terrestrial and Non-Terrestrial Networks for Seamless Connectivity

AI/ML- based Channel Estimation and Beamforming for mmWave MIMO- OTFS in 6G (Co-PI)

Information, Communications & Data Processing Technologies for Response Management
in Case of Natural Disasters (ICT4AID) (Co-PI)

Signals and Systems

Digital Signal Processing

Digital Communication

Stochastic Processes

Wireless Communication

Fundamentals of Electronics and Instrumentation Engineering

Digital Circuits and Systems

Mobile Communication Systems & Wireless Networks

Random Variables & Stochastic Processes

ˆ Advanced Statistical and Machine Learning Models (SERB High-End Workshop (KARYASHALA))
ˆ Architecture and Technologies for 5G and Beyond Wireless Networks (ATAL-FDP).
ˆ Training School/Workshop On Environmental Cyber Physical systems (DST Project)
ˆ AI/ML for Next-generation Wireless Networks (IDAPT HUB Foundation)
ˆ 6G and Wireless Communication Technologies (SPARC-UKIERI)

DUGC Convener, PG Committee Member, UG Committee Member, Convener Timetable,
Purchase Committee Member for the Department, Member of the Anti-ragging Committee, Library Committee Member