Dr. Krishna Kumar
Designation : Assistant Professor
Broad Area of Expertise : Electrical Engineering
Email : krishna{at}iitgoa.ac.in
Contact Number : 0832-2490-920
Address : FC 9, Prefab Cabin A
Educational Qualifications
PhD : Indian Institute of Technology Gandhinagar (January 2023)
Thesis Title: Robust and Sparse-Aware Adaptive Learning Strategies for Audio Signal Processing
MTech : Indian Institute of Technology Gandhinagar (2020)
Areas of Research
- Adaptive Signal Processing : Active Noise Control, Sparse Signal Processing, Acoustic Echo Cancellation, and System Identification
- Signal Processing for 6G : Low Complexity Receiver Design, Self-Interference Cancellation, Channel Estimation, and Massive MIMO.
Courses Taught
Professional Appointments
1. Assistant Professor : Indian Institute of Technology Goa, India [ September 2024 - Present]
2. Lead Engineer : Samsung R&D Institute India-Bangalore (SRI-B) [ September 2022 - August 2024].
Recent Publications
Journal Articles
1. K. Kumar, M. L. N. S. Karthik, N. V. George, "A robust active noise control system based on an exponential hyperbolic cosine norm", Signal Processing, 221, (2024), 109469. [Link]
2. S. Joel, K. Kumar, N. V. George, "Robust DOA estimation based on an exponential hyperbolic cosine adaptive algorithm", IEEE Sensors Letters, 7(5), (2023), Art no. 7001904. [Link]
3. K. Kumar, M. L. N. S. Karthik, N. V. George, "Generalized modified Blake-Zisserman robust sparse adaptive filters", IEEE Transactions on Systems, Man and Cybernetics: Systems, 53(1), (2023), 647-652. [Link]
4. K. Kumar, M. L. N. S. Karthik, N. V. George, "A novel family of sparsity-aware robust adaptive filters based on a logistic distance metric", IEEE Transactions on Signal Processing, 70, (2022), 6128-6141. [Link]
5. K. Kumar, M. L. N. S. Karthik, S. S. Bhattacharjee, N. V. George, "Affine projection Champernowne algorithm for robust adaptive filtering", IEEE Transactions on Circuits and Systems II: Express Briefs, 69(3), (2022), 1947 - 1951. [Link]
6. K. Kumar, R. Pandey, S. S. Bora, N. V. George, "A robust family of algorithms for adaptive filtering based on the arctangent framework", IEEE Transactions on Circuits and Systems II: Express Briefs, 69(3), (2022), 1967 - 1971. [Link]
7. K. Kumar, R. Pandey, M. L. N. S. Karthik, S. S. Bhattacharjee, N. V. George, "Robust and sparsity-aware adaptive filters: A review", Signal Processing, 189, (2021), 108276. [Link]
8. S. S. Bhattacharjee, M. A. Shaikh, K. Kumar, N. V. George, "Robust constrained generalized correntropy and maximum Versoria criterion adaptive filters", IEEE Transactions on Circuits and Systems II: Express Briefs, 68(8), (2021), 3002-3006. [Link]
9. K. Kumar, R. Pandey, S. S. Bhattacharjee, N. V. George, “Exponential hyperbolic cosine robust adaptive filters for audio signal processing", IEEE Signal Processing Letters, 28, (2021), 1410-1414. [Link]
10. K. Kumar, S. S. Bhattacharjee, N. V. George, “Modified Champernowne function based robust and sparsity-aware adaptive filters", IEEE Transactions on Circuits and Systems II: Express Briefs, 68(6), (2021), 2202-2206. [Link]
11. K. Kumar, S. S. Bhattacharjee, N. V. George, “Joint logarithmic hyperbolic cosine robust sparse adaptive algorithms", IEEE Transactions on Circuits and Systems II: Express Briefs, 68(1), (2021), 526-530. [Link]
12. S. S. Bhattacharjee, K. Kumar, N. V. George, “Nearest Kronecker product decomposition based generalized maximum correntropy and generalized hyperbolic secant robust adaptive filters", IEEE Signal Processing Letters, 27, (2020), 1525-1529. [Link]
13. K. Kumar, N. V. George, “Weibull M-transform least mean square algorithm", Applied Acoustics, 170, (2020), 107488. [Link]
14. K. Kumar, N. V. George, “A generalized maximum correntropy criterion based robust sparse adaptive room equalization”, Applied Acoustics, 158, (2020), 107036. [Link]
Articles in Conference Proceedings
1. K. Kumar, H. K. Boddapati, A. K. Reddy Chavva and M. Saquib Khan, "A Low Complexity Equalizer Design for Extreme Massive MIMO Communications Towards 6G ," 2024 IEEE Consumer Communications &Networking Conference (CCNC 2024). (Submitted)
2. K. Kumar, H. K. Boddapati, A. K. Reddy Chavva and M. Saquib Khan, "A Robust Adaptive DOA Estimation Technique for Non-Gaussian Interferences based on Blake-Zisserman Function," 2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall). (Accepted for presentation)
3. K. Kumar, H. K. Boddapati and A. K. Reddy Chavva, "Low Complexity Interference Rejection Combining Equalizer for Extreme Massive MIMO," 2024 IEEE Wireless Communications and Networking Conference (WCNC), Dubai, United Arab Emirates, 2024, pp. 1-6, doi: 10.1109/WCNC57260.2024.10570661. [Link]
4. H. K. Boddapati, K. Kumar, A. K. Reddy Chavva and M. Saquib Khan, "Joint Communication and Sensing for MIMO Systems with Overlapped OFDM and FMCW," 2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall), Hong Kong, Hong Kong, 2023, pp. 1-5, doi: 10.1109/VTC2023-Fall60731.2023.10333763. [Link]
Patents
1. Krishna Kumar, Hari Krishna Boddapati, and Ashok Kumar Reddy Chavva "Method for Low Complexity Sphere Decoder Implementation" [PS filling done].
Assignee: Samsung Electronics Co Ltd
2. Krishna Kumar, Ashok Kumar Reddy Chavva, and Hari Krishna Boddapati "Low Complexity Interference Rejection Combining Receiver for Massive MIMO and Extreme Massive MIMO" [Graded A1].
Assignee: Samsung Electronics Co Ltd
3. Krishna Kumar and Ashok Kumar Reddy Chavva "An interference rejection combining equalizer for extreme massive MIMO" [Graded A2].
Assignee: Samsung Electronics Co Ltd
4. Hari Krishna Boddapati, Ashok Kumar Reddy Chavva, and Krishna Kumar "Method for Transmitting Waveform for Joint Communication and Sensing with Overlaped OFDM and MIMO-TDM Radar systems" [Graded A2].
Assignee: Samsung Electronics Co Ltd
Recognition and Awards
1. Gold Medal for the Outstanding Research (PhD), IIT Gandhinagar (29 July 2023).
2. Award for outstanding research among all the recipients of the degree of Master of Technology, IIT Gandhinagar (23 August 2020).
3. Founder of the Anveshanam at IIT Gandhinagar which has 500 active members.
4. IIT Gandhinagar Cash Award worth INR 25000 for publishing research paper in high impactful journal (December 2020).
5. IIT Gandhinagar Cash Award worth INR 25000 for publishing research paper in high impactful journal (March 2020).
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