Neeraj Varshney

My research interest is in signal processing, communications and networks which widely includes Molecular Communication, mmWave and THz communication, Digital Communication, MIMO technology, Cooperative Communication, Optimal resource allocation in cooperative wireless sensor networks, Information & coding theory and Error Control Coding.

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1. We published ATIS NextG NGA NRWG 6G White Paper on: Channel Measurements and Modeling for Joint/Integrated Communication and Sensing as well as 7-24 GHz Communication”, in collaboration with Nokia, Anritsu, Keysight, AT&T, Ericsson, Sharp, Keysight, Wireless, Motorola Mobility, and Futurewei, July 2024. We contributed Chapter 4 target modeling where we proposed three difference target models for 3GPP 38.901 channel model.

2. We made several contributions to 3gpp and ATIS

   • NIST, "Discussion on ISAC Channel Modeling", 3GPP TSG-RAN WG1 #12 R1-2504013, May 2025.  

   • NIST, "Discussion on ISAC Channel Modeling", 3GPP TSG-RAN WG1 #121-bis R1-2502572, April 2025.  

   • NIST, "Discussion on ISAC Channel Modeling", 3GPP TSG-RAN WG1 #120 R1-2500681, February 2025.

   • NIST, "Discussion on ISAC Channel Modeling", 3GPP TSG-RAN WG1 #119 R1-2410136, November 2024. 

   • NIST, "Discussion on ISAC Channel Modeling", 3GPP TSG-RAN WG1 #118bis R1-2408724, October 2024.  

   • NIST, "Measurement-Based EO Study and Multi-Dimensional Target Modeling", 3GPP TSG-RAN WG1 #118 R1-2406211, August 2024. 

   • Nokia, NIST, Anritsu, Keysight, AT&T, Ericsson, Sharp, Keysight, Wireless, Motorola Mobility, Futurewei, “Information on ISAC channel modeling,” 3GPP TSG RAN WG1 #116 R1-2403107, April 2024.

   • NIST, “Measurement data for ISAC deployment scenarios,” 3GPP TSG RAN WG1 #116 R1-2400174, Feb. 2024.

   • NIST, “Power Calibration for Radar Cross Section (RCS) Measurement,” 3GPP TSG-RAN WG1 #116 R1-2400175, Feb. 2024.

   • NIST, "RCS Characterization of Human Targets at 28 GHz: Monostatic Configuration", NextG Alliance, An ATIS Initiative, September 2023.

   • NIST, "Overview of Use-cases Proposed in IEEE 802.11bf and 3GPP", NextG Alliance, An ATIS Initiative, August 2023.

   • NIST, "Target Channel Model for JCAS", NextG Alliance, An ATIS Initiative, July 2023.

   • NIST, “Channel Modeling for ISAC”, 3GPP TSG RAN REL-19 workshop, June 2023.

3. 2024 Edition of IEEE International Network Generations Roadmap (INGR)- Satellite Chapter is published now.

4. Our paper "Quasi-Deterministic Channel Propagation Model for Human Sensing: Gesture Recognition Use Case,” is now published in IEEE Open Journal of Antennas and Propagation, June 2024.

5. Our paper "Performance Analysis of LEO Satellite-Based IoT Networks in the Presence of Interference,” is now published in IEEE Internet of Things Journal, March 2024.

6. Our paper "Adaptive Channel-State-Information Feedback in Integrated Sensing and Communication Systems," is now published in IEEE Internet of Things Journal, Aug 2023.

7. Our paper "Hybrid Transceiver Design for Tera-Hertz MIMO Systems Relying on Bayesian Learning Aided Sparse Channel Estimation,” is now published in IEEE Transactions on Wireless Communications, Apr 2023.

8. Received Outstanding Achievement in Standards and Measurement Commendation Award for developing novel techniques to measure radio wave propagation and scattering in millimeter wave wireless channels and applying these techniques to developing channel models for next generation communications systems.   

9. Our paper "Channel Characterization and Performance of a 3-D Molecular Communication System with Multiple Fully-Absorbing Receivers" has been accepted in IEEE Transactions on Communications, Dec. 2022. 

10. Our first THz Paper "Hybrid Transceiver Design for Tera-Hertz MIMO Systems Relying on Bayesian Learning Aided Sparse Channel Estimation" has been accepted in IEEE Transactions on Wireless Communications, Sep 2022. 

11. Elevated to IEEE Senior member (July 2022 - Present). 

12. Paper "Integrated Sensing and Communication: Enabling Techniques, Applications, Tools and Datasets, Standardization, and Future Directions" has been accepted in IEEE Internet of Things Journal, June 2022.

13. We contributed to channel model and evaluation methodology TGBf documents. We also presented ISAC-PLM implementation which can be utilized to test and evaluate performance of proposed approaches in TGBf meetings.

    • Channel Models for WLAN Sensing Systems, 22/0782r4, IEEE 802.11 TGBf, 2022.

    • 11bf Evaluation Methodology and Simulation Scenarios, 22/0876r4, IEEE 802.11 TGBf 2022.

    • Implementation of 60 GHz WLAN-SENS Physical Layer Model, 22/1217r0, IEEE 802.11 TGBf, 

    • DMG/EDMG Link Level Simulation Platform," 22/0803r0, TGBf,  2022. 

14. Paper "Quasi-Deterministic Channel Propagation Model for 60 GHz Urban WiFi Access from Light Poles," has been accepted in IEEE Antennas and Wireless Propagation Letters, April 2022.

15. Paper "Low-Precision Deep Learning based Automatic Modulation Recognition System," has been accepted in ITU Journal on Future and Evolving Technologies- Special issue on AI and machine learning solutions in 5G and future networks, April 2022.

16. Contributed to IEEE INTERNATIONAL NETWORK GENERATIONS ROADMAP – 2022 EDITION SATELLITE with the collaboration from IIITH team, Ayush and Sachin. More details can be found here.

17. Paper "Multi-User MIMO Enabled Virtual Reality in IEEE 802.11ay WLAN," has been accepted in 2022 IEEE Wireless Communications and Networking Conference (WCNC).

18. We presented two TGbf standard contributions
    (a) T. Ropitault, S. Blandino, N. Varshney and N. Golmie, "Q-D simulation & Modeling framework for sensing," 21/0747r1, TGbf. 
    ​(b) S. Blandino, T. Ropitault, N. Varshney and N. Golmie, "A preliminary channel model using raytracing to detect human presence," 21/0746r1, TGbf.  

19. We @NIST released physical layer model of IEEE 802.11ay enhanced directional multi-gigabit (EDMG) Wireless local access network (WLAN)  which has several key features as described below.

    • • IEEE 802.11ay Single Carrier/OFDM waveform generation

      • IEEE 802.11ay spatial multiplexing schemes: SU-SISO, SU-MIMO, MU-MIMO.

      • Perform link-level bit error rate (BER), packet error rate (PER), data rate tests and analytical link-level spectral efficiency (SE) bound.

      • Receiver algorithms: synchronization, channel estimation, carrier frequency offset (CFO) correction.