]\ Publications
 Document

Journals

  1. M. Hanawal, and S. J. Darak, “Exploiting Side Information for Improved Online Learning Algorithms in Wireless Networks,” in IEEE Transactions on Wireless Communications (TWC), Oct. 2024. (PDF)
  2. A. Tewari, S. S. Jha, A. Sneh, S. J. Darak and S. S. Ram, “Reconfigurable Radar Signal Processing Accelerator for Integrated Sensing and Communication System,” in IEEE Transactions on Aerospace and Electronic Systems , Aug. 2024. (PDF)
  3. I. Sharma, R. Kumar and S. J. Darak, “Online Learning Based Multi-RIS-Aided Wireless Systems,” in IEEE Systems Journal , vol. 18, no. 2, pp. 1174-1185, June 2024. (PDF)
  4. Animesh Sharma, Syed Asrar ul Haq, and S. J. Darak, “Low Complexity Deep Learning Augmented Wireless Channel Estimation for Pilot-Based OFDM on Zynq System on Chip,” in IEEE Transactions on Circuits and Systems I: Regular Papers , vol. 71, no. 5, pp. 2334-2347, May 2024. (PDF)
  5. A. Sneh, S. S. Ram, S. J. Darak and A. Tewari, “Beam Alignment in Multipath Environments for Integrated Sensing and Communication using Bandit Learning,” in IEEE Journal of Selected Topics in Signal Processing (SI: Joint Communication and Radar Sensing for Emerging Application) , April 2024. (PDF)
  6. A. Sneh, S. Jain, V. Sindhu, S. S. Ram and S. J. Darak, “IEEE 802.11ad Based Joint Radar Communication Transceiver: Design, Prototype and Performance Analysis,” in IEEE Transactions on Vehicular Technology, vol. 73, no. 4, pp. 5393-5409, Apr. 2024. (PDF)
  7. S. V. Sai Santosh, and S. J. Darak, “Multi-armed Bandit Algorithms on Zynq System-on-Chip: Go Frequentist or Bayesian?,” in IEEE Transactions on Neural Networks and Learning Systems, vol. 35, no. 2, pp. 2602-2615, Feb. 2024. (PDF)
  8. K. Lodhi, J. Chhillar, S. J. Darak and D. Sharma, “Design and Performance Analysis of Hardware Realization of 3GPP Physical Layer for 5G Cell Search,” in Chips MDPI (Invited) , vol. 2, no. 4, pp. 223-242, Dec. 2023. (PDF)
  9. A. Sneh, S. J. Darak, S. S. Ram and M. Hanawal, “Radar Enhanced Multi-Armed Bandit for Rapid Beam Selection in Millimeter Wave Communications,” in IEEE Communications Letter , vol. 27, no. 9, pp. 2441-2445, Sept. 2023. (PDF)
  10. Syed Asrar ul Haq, Abdul Karim Gizzini, Shakti Shrey, S. J. Darak, Sneh Saurabh and Marwa Chafii, “Deep Neural Network Augmented Wireless Channel Estimation for Preamble-based OFDM PHY on Zynq System on Chip ,” in IEEE Transactions on Very Large Scale Integration (VLSI) Systems , vol. 31, no. 7, pp. 1026-1038, July 2023. (PDF)
  11. Rohith Rajesh, S. J. Darak, A. Jain, S. Chandhok, and A. Sharma, “Hardware Software Co-design of Statistical and Deep Learning Frameworks for Wideband Sensing on Zynq System on Chip,” in IEEE Transactions on Very Large Scale Integration (VLSI) Systems , vol. 31, no. 1, pp. 79-89, Jan. 2023. (PDF)
  12. M. Hanawal, and S. J. Darak, “Multi-player Bandits: A Trekking Approach,” in IEEE Transactions on Automatic Control (IEEE TAC), vol. 67, no. 5, pp. 2237-2252, May 2022. (PDF)
  13. M. Gupta, S. Sharma, H. Joshi and S. J. Darak, “ Reconfigurable Architecture for Spatial Sensing in Wideband Radio Front-End,” in IEEE Transactions on Circuits and Systems II, vol. 69, no. 3, pp. 1054-1058, Mar. 2022. (PDF) (Video)
  14. H. Joshi, S. Santra, S. J. Darak, M. Hanawal, and S. V. Sai Santosh, “Multi-Play Multi-Armed Bandit Algorithm Based Sensing of Non-Contiguous Wideband Spectrum for AIoT Networks,” IEEE Transactions on Industrial Informatics, vol. 18, no. 5, pp. 3337-3348, May 2022. (PDF)
  15. H. Joshi, S. Chandhok, A. V. Subramanyam and S. J. Darak, “Novel Deep Learning Framework for Wideband Spectrum Characterization at Sub-Nyquist Rate,” in Wireless Networks (Springer), vol. 27, pp. 4727-4746, Aug. 2021.
  16. N. Agrawal, A. Ambede, S. J. Darak, A. P. Vinod and A. S. Madhukumar, “Design and Implementation of Low Complexity Reconfigurable Filtered-OFDM based LDACS,” in IEEE Transactions on Circuits and Systems II, vol. 68, no. 7, pp. 2399-2403, July 2021. (PDF)
  17. S. V. Sai Santosh, and S. J. Darak, “Intelligent and Reconfigurable Architecture for KL Divergence Based Multi-Armed Bandit Algorithms,” in IEEE Transactions on Circuits and Systems II, vol. 68, no. 3, pp. 1008-1012, Mar. 2021. (PDF)
  18. H. Joshi, S. J. Darak, M. Alaee-Kerahroodi, and Bhavani Shankar Mysore Rama Rao, “Reconfigurable and Intelligent Ultra-Wideband Angular Sensing: Prototype Design and Validation,” in IEEE Transactions on Instrumentation & Measurement, vol. 70, pp. 1-15, Jan. 2021. (PDF)
  19. Neelam Singh, S. V. Sai Santosh, and S. J. Darak, “Towards Intelligent Reconfigurable Wireless Physical Layer (PHY),” in IEEE Open Journal of Circuits and Systems, vol. 2, pp. 226-240, Jan. 2021. (PDF)
  20. H. Joshi, S. J. Darak, and A. Kumar, “Low Complexity Reconfigurable and Intelligent Ultra-Wideband Angular Sensing,” in IEEE Systems Journal , vol. 14, no. 4, pp. 4931-4942, Dec. 2020. (PDF) (USRP Testbed)
  21. N. Agrawal, S. J. Darak, and C. Bader, “Spectral Coexistence of LDACS and DME: Analysis via Hardware Software Co-Design in Presence of Real Channels and RF Impairments,” in IEEE Transactions on Vehicular Technology (IEEE TVT), vol. 69, no. 9, pp. 9837-9848, Sept. 2020. (PDF)
  22. S. Sawant, R. Kumar, M. Hanawal and S. J. Darak, “Learning to Coordinate in a Decentralized Cognitive Radio Network in Presence of Jammers,” in IEEE Transactions on Mobile Computing, vol. 19, no. 11, pp. 2640-2655, Nov. 2020. (PDF)
  23. R. Kumar, S. J. Darak, M. Hanawal, and A. Yadav, “Distributed Learning and Coordination in Cognitive Infrastructure-less Networks of Unknown Size,” in IEEE Systems Journal, vol. 14, no. 2, pp. 2085-2096, June 2020. (PDF)
  24. S. Dhabu, A. Ambede, N. Agrawal, Smitha K. G., S. J. Darak, and A. P. Vinod, “Variable Cutoff Frequency FIR Filters: A Survey,” accepted in SN Applied Sciences , Jan. 2020. (PDF)
  25. S. J. Darak and M. Hanawal, “Multi-player Multi-armed Bandits for Stable Allocation in Heterogeneous Ad-Hoc Networks,” in IEEE JSAC Special Issue on Machine Learning in Wireless Communications, vol. 37, no. 10, pp. 2350-2363, Oct. 2019. (PDF)
  26. H. Joshi, S. J. Darak, and A. Kumar, “Throughput Optimized Non-Contiguous Wideband Spectrum Sensing via Online Learning and Sub-Nyquist Sampling,” in IEEE Wireless Communications Letters , vol. 8, no. 3, pp. 805-808, June 2019. (PDF)
  27. N. Agrawal, S. J. Darak, and C. Bader, “New Spectrum Efficient Reconfigurable Filtered-OFDM Based L-Band Digital Aeronautical Communication System,” in IEEE Transactions on Aerospace and Electronic Systems (TAES), vol. 55, no. 2, pp. 1108-1122, June 2019. (PDF)
  28. R. Kumar, S. J. Darak, M. Hanawal, A. Sharma and R. Tripathi, “Distributed Algorithm for Learning to Coordinate in Infrastructure-less Network,” in IEEE Communications Letters, vol. 23, no. 2, Feb. 2019. (PDF)
  29. M. Hanawal and S. J. Darak, “Distributed Learning in Ad-Hoc Networks with Unknown Number of Players ,” in ACM SIGMETRICS Performance Evaluation Review, vol. 46, no. 3, pp. 171-174, Dec. 2018. (PDF)
  30. S. J. Darak, C. Moy and J. Palicot, “Distributed Decision Making Policy for Frequency Band Selection Boosting RF Energy Harvesting Rate in Wireless Sensor Nodes,” in Wireless Networks (Springer), vol. 24, no. 8, pp. 3189-3203, Nov. 2018. (PDF)
  31. H. Joshi, S. J. Darak, and Y. LOUET, “Spectrum Blind Recovery and Application in Non-Uniform Sampling Based Automatic Modulation Classifier,” in Circuits, Systems, and Signal Processing, vol. 37, no.8, pp. 3457-3486, Aug. 2018. (PDF)
  32. R. Kumar, S. J. Darak, A. Sharma and R. Tripathi, “Two-Stage Decision Making Policy for Opportunistic Spectrum Access and Validation on USRP Testbed,” in Wireless Networks (Springer), vol. 24, no. 5, pp. 1509-1523, July 2018. (PDF)
  33. A. Aggarwal, A. Singhal and S. J. Darak,“Clean and Green India: Is Solar Energy the Answer?,” IEEE Potential , vol. 37, no. 1, pp. 40-46, Feb. 2018. (PDF)
  34. R. Kumar, S. J. Darak, A. Yadav, A. Sharma and R. Tripathi, “Channel Selection for Secondary Users in Decentralized Network of Unknown Size,” in IEEE Communications Letters, vol. 21, no. 10, pp. 2186-2189, Oct. 2017. (PDF)
  35. S. J. Darak, Honggang Zhang, Jacques Palicot and Christophe Moy, “Decision Making Policy for RF Energy Harvesting Enabled Cognitive Radios in Decentralized Wireless Networks,” in Digital Signal Processing (Elsevier) , vol. 60, pp. 33-45, Jan. 2017. (PDF)
  36. S. J. Darak, Christophe Moy and Jacques Palicot, “Proof-of-Concept System for Opportunistic Spectrum Access in Multi-user Decentralized Networks,” in EAI Transactions on Cognitive Communications, vol. 2, no. 7, Sept. 2016. (PDF)
  37. S. J. Darak, Sumedh Dhabu, Christophe Moy, Honggang Zhang, Jacques Palicot and A. P.Vinod, “Low Complexity and Efficient Dynamic Spectrum Learning and Tunable Bandwidth Access for Heterogeneous Decentralized Cognitive Radio Networks,” Digital Signal Processing (Elsevier) , vol. 37, pp. 13-23, Feb. 2015.
  38. S. J. Darak, Jacques Palicot, Honggang Zhang, Vinod A. Prasad and Christophe Moy , “Reconfigurable Filter Bank With Complete Control over Subband Bandwidths for Multi-standard Wireless Communication Receivers,” in IEEE Transactions on Very Large Scale Integration (VLSI) Systems , vol. 23, no. 9, pp. 1772-1782, Sept. 2015.
  39. S. J. Darak, A. P. Vinod, E. M-K. Lai, Honggang Zhang and Jacques Palicot, “Linear Phase VDF Design with Unabridged Bandwidth Control over the Nyquist Band,” IEEE Transactions on Circuits and Systems - II , vol. 61, no. 6, pp. 428-432, April 2014.
  40. S. J. Darak, A. P. Vinod, K. G. Smitha and E. M-K. Lai, “Low Complexity Reconfigurable Fast Filter Bank for Multi-Standard Wireless Receivers,” IEEE Transactions on Very Large Scale Integration (VLSI) Systems , vol. 22, no. 5, pp. 1202-1206, July 2013.
  41. S. J. Darak, A. P. Vinod, and E. M-K. Lai, “Efficient Implementation of Reconfigurable Warped Digital Filters with Variable Lowpass, Highpass, Bandpass and Bandstop Responses,” IEEE Transactions on Very Large Scale Integration (VLSI) Systems , vol. 21, no. 6, pp. 1165-1169, June 2012.
  42. S. J. Darak, A. P. Vinod, and E. M-K. Lai, “A Low Complexity Reconfigurable Non-uniform Filter Bank for Channelization in Multi-standard Wireless Communication Receivers,” Journal of Signal Processing Systems (Springer) , vol. 68, no. 1, pp.95-111, July 2012.

Demos

  1. Jeet Tekchandani, Jai Mangal, S. J. Darak and S. S. Ram, “Demo: An RFSoC-Based Testbed for Over-the-Air Wireless Transceiver at Millimeter Wave Frequency,” accepted in COMSNETS, India, Jan. 2025.
  2. Himani Joshi, M. Alaee-Kerahroodi, Bhavani Shankar Mysore Rama Rao, and S. J. Darak, “Intelligent Reconfigurable Wideband Spectrum Characterization for 5G Applications,” accepted in IEEE 5G World Forum, India, September 2020.
  3. Himani Joshi, M. Alaee-Kerahroodi, Bhavani Shankar Mysore Rama Rao, S. J. Darak, Sumit Kumar, and Kumar Vijay Mishra, “Learning based Reconfigurable Wideband Non-Contiguous Spectrum Characterization for 5G Applications,” in 45th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Spain, May 2020. (Demo)
  4. S. J. Darak, Navikkumar Modi, Amor Nafkha and Christophe Moy, “Spectrum Utilization and Reconfiguration Cost Comparison of Various Decision Making Policies for Opportunistic Spectrum Access Using Real Radio Signals,” accepted in 11th International Conference on Cognitive Radio Oriented Wireless Networks (CROWNCOM), Grenoble, France, May 2016. (Best Demo Award: Video)

Book Chapters

  1. J. Gulati, B. Prakash and S. J. Darak, “An Efficient Timing and Clock Tree Aware Placement Flow with Multibit Flip-Flops for Power Reduction,” in VLSI Design and Test , Brajesh Kumar Kaushik, Sudeb Dasgupta and Virendra Singh, Ed. Springer Singapore, Feb. 2018. (PDF)
  2. S. J. Darak, Amor Nafkha, Christophe Moy and Jacques Palicot, “Is Bayesian Multi-armed Bandit Algorithm Superior?: Proof-of-Concept for Opportunistic Spectrum Access in Decentralized Networks,” in Cognitive Radio Oriented Wireless Networks, D. Noguet, K. Moessner and J. Palicot, Ed. Springer International Publishing, June 2016, pp. 104-115.

Conferences

  1. Anurag Gulati, Syed Asrar ul haq, S. J. Darak and Varun Singh, “Low-Complexity High Speed Residual Network-Augmented Channel Estimation for mmWave Massive MIMO,” IEEE AICAS, Abu Dhabi, April 2024.
  2. Syed Asrar ul haq, Bhavesh Prasad Dangwal, and S. J. Darak, “RNN-Based Low Complexity High Speed Channel Estimation Architectures for Vehicular Networks,” IEEE AICAS, Abu Dhabi, April 2024. (DST-SERB Travel Grant)
  3. Syed Asrar ul haq, S. J. Darak and Abdul Karim Gizzini, “ Low Complexity Deep Learning Aided Channel Estimation Architecture for Vehicular Networks,” IEEE ISCAS, Singapore, May 2024.
  4. Syed Asrar ul haq, Varun Singh, Bhanu Teja Tanaji and S. J. Darak, “Low Complexity High Speed Deep Neural Network Augmented Wireless Channel Estimation,” IEEE VLSID, Jan. 2024.
  5. A. Tewari, N. Singh, S. J. Darak, V. Kizheppatt and M. S. Jafri, “Reconfigurable Wireless PHY with Dynamically Controlled Out-of-Band Emission on Zynq SoC,” IEEE MWSCAS, Aug. 2022. (PDF) (Video)
  6. P. R. Sahoo, R. Rajoria, S. Chandhok, S. J. Darak, D. Pau and H. D. Dabral, “Resource Constrained Neural Networks for 5G Direction-of-Arrival Estimation in Micro-controllers,” AIMLSystems 2021 conference , Bangalore, India, Sept. 2021. (PDF) (Best Paper Award) (Video)
  7. R. Kumar, S. Satapathy, S. Singh and S. J. Darak, “Multi-player Multi-armed Bandits for Dynamic Cognitive Ad-Hoc Networks,” IEEE 5G World Forum, Sept. 2020. (PDF) (Video)
  8. R. Kumar, S. J. Darak, and M. Hanawal, “Distributed Algorithm for Opportunistic Spectrum Access in Dynamic Ad Hoc Networks,” International Workshop on Real-life Modeling in 5G Networks and Beyond (REFRESH 2020: co-located with IEEE DCOSS 2020 , California, USA, May 2020.
  9. H. Joshi, Mohammad Alaee-Kerahroodi, Achanna A. Kumar, Bhavani Shankar, and S. J. Darak, “Learning Based Reconfigurable Sub-Nyquist Sampling Framework For Ultra-Wideband Angular Sensing,” 45th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Spain, May 2020. (PDF) (Video)
  10. S. V. Sai Santosh and S. J. Darak, “Reconfigurable and Computationally Efficient Architecture for Multi-armed Bandit Algorithms,” IEEE International Symposium on Circuits and Systems (ISCAS), Spain, May 2020. (Best Poster Award, IoT Theme, IIITD RIISE 2020) (Video)
  11. K. Manohar Reddy, S. J. Darak and M. D. Praveen, “Novel Framework for Enabling Hardware Acceleration in GNU Radio,” IEEE International Symposium on Circuits and Systems (ISCAS), Spain, May 2020.
  12. N. Agrawal, H. Joshi S. J. Darak and F. Bader, “USRP Testbed and Performance Analysis of New Reconfigurable LDACS In Presence of DME Interference,” IEEE 16th International Symposium on Wireless Communication Systems (ISWCS), Oulu, Finland, Aug. 2019. (NI Academic Travel Research Grant 2018) (PDF)
  13. H. Tibrewal, S. Patchala, M. Hanawal and S. J. Darak, “Distributed Learning and Optimal Assignment in Multiplayer Heterogeneous Networks,” IEEE INFOCOM 2019 , Paris, France, May 2019. (Core A* conference) (PDF)
  14. H. Joshi and S. J. Darak, “Review: Wideband Spectrum Sensing for Next Generation Wireless Networks,” 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC 2019) , Delhi, India, Mar. 2019. (PDF)
  15. S. Sharma, S. J. Darak and A. Srivastava, “Transfer Reinforcement Learning based Framework for Energy Savings in Cellular Base Station Network,” 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC 2019) , Delhi, India, Mar. 2019. (PDF)
  16. R. Kumar, A. Yadav, S. J. Darak and M. Hanawal, “Trekking Based Distributed Algorithm for Opportunistic Spectrum Access in Infrastructure-less Network,” 16th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt 2018), Shanghai, China, May 2018. (WiOpt'18 Student and Ettus Research Travel Grants) (PDF)
  17. S. Sawant, M. Hanawal, S. J. Darak and R. Kumar, “Distributed Learning Algorithms for Coordination in a Cognitive Network in Presence of Jammers,” 16th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt 2018), Shanghai, China, May 2018. (PDF)
  18. Gyan Deep, S. J. Darak and P. Garg, “Spectral Parameter Approximation Based Tunable Digital Filters on Zynq SoC,” IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, May 2018. (PDF)
  19. H. Joshi, R. Kumar, A. Yadav and S. J. Darak, “Distributed Algorithm for Dynamic Spectrum Access in Infrastructure-less Cognitive Radio Network,” IEEE Wireless Communications and Networking Conference (WCNC), Barcelona, Spain, Apr. 2018. (2017 National Instruments (NI) Academic Research Grant) (PDF)
  20. S. J. Darak, “Parallel Aggregated MAB Framework for Source Selection in Multi-Antenna RF Harvesting Circuit,” IEEE Wireless Communications and Networking Conference (WCNC), Barcelona, Spain, Apr. 2018. (PDF)
  21. N. Agrawal, S. J. Darak and F. Bader, “Reconfigurable Filtered OFDM Waveform for Next Generation Air-to-Ground Communications,” IEEE/AIAA 36th Digital Avionics Systems Conference (DASC), Florida, USA, Sept. 2017. (Second Best Paper Award) (PDF)
  22. S. Garg, N. Agrawal, S. J. Darak and P. Sikka, “Spectral Coexistence of Candidate Waveforms and DME in Air-to-Ground Communications: Analysis via Hardware Software Co-Design on Zynq SoC,” IEEE/AIAA 36th Digital Avionics Systems Conference (DASC), Florida, USA, Sept. 2017. (IIIT-Delhi Best MTech Thesis Award 2017 (ECE)) (PDF)
  23. A. Unnam and S. J. Darak, “Bayesian Multi-Armed Bandit Framework for Multi-Band Auction Based Dynamic Spectrum Access in Multi-User Decentralized Networks,” 32nd General Assembly and Scientific Symposium of the URSI (URSI-GASS), Montreal, Canada, Aug. 2017. (Young Scientist Paper Award and Conference Travel Grant) (PDF)
  24. H. Joshi and S. J. Darak, “Sub-Nyquist Sampling and Machine Learning Based Online Automatic Modulation Classifier for Multi-carrier Waveform,” 32nd General Assembly and Scientific Symposium of the URSI (URSI-GASS), Montreal, Canada, Aug. 2017. (PDF)
  25. N. Modi, C. Moy, P. Mary and S. J. Darak, “Proof-Of-Concept: Spectrum And Energy Efficient Multi-User CR Network Via Vacancy And Quality Based Channel Selection,” 32nd General Assembly and Scientific Symposium of the URSI (URSI-GASS), Montreal, Canada, Aug. 2017.
  26. S. Kumar, V. A. Bohara and S. J. Darak, “Automatic Modulation Classification by Exploiting Cyclostationary Features in Wavelet Domain,” in 23rd IEEE National Conference on Communications (NCC), Chennai, India, Mar. 2017.
  27. R. Kumar, S. J. Darak, A. Sharma and R. Tripathi, “Two-Stage Decision Making Policy Using Bayesian Multi-armed Bandit Algorithm for Opportunistic Spectrum Access,” in Proceedings of the International conference on Big Data and Advanced Wireless technologies (BDAW), pp. 1-6, Bulgaria, Nov. 2016.
  28. H. Joshi, S. J. Darak and Y. LOUET, “Testbed and Experimental Analysis of Automatic Modulation Classifier for Non-uniformly Sampled Signal,” accepted in 10th IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS), India, Nov. 2016. (IEEE ComSoc Travel Grant)
  29. S. Sharma, S. J. Darak, A. Srivastava and H. Zhang, “A Transfer Learning Framework for Energy Efficient Wi-Fi Networks and Performance Analysis Using Real Data,” accepted in 10th IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS), India, Nov. 2016.
  30. H. Joshi, S. J. Darak and Y. LOUET, “Blind and Adaptive Reconstruction Approach for Non-Uniformly Sampled Wideband Signal,” in 5th IEEE International Conference on Advances in Computing, Communications and Informatics (ICACCI), pp. 2341-2345, Jaipur, India, Sept. 2016.
  31. S. Kumar, V. A. Bohara and S. J. Darak, “Blind Symbol Rate Estimation by Exploiting Cyclostationary Features in Wavelet Domain,” in 5th IEEE International Conference on Advances in Computing, Communications and Informatics (ICACCI), pp. 1757-1763, Jaipur, India, Sept. 2016.
  32. S. J. Darak, Christophe Moy and Jacques Palicot, “Smart Decision Making Policy for Faster Harvesting From Ambient RF Sources in Wireless Sensor Nodes,” in 13th IEEE International Symposium on Wireless Communication Systems (ISWCS), pp. 148-152, Poland, Sept. 2016.
  33. S. Garg and S. J. Darak, “FPGA Implementation of High Speed Reconfigurable Filter Bank for Multi-standard Wireless Communication Receivers,” accepted in 20th IEEE VLSI Design and Test Symposium (VDAT-2016), Guwahati, India, May 2016.
  34. P. Sharma, J. Gulati, K. Bharath, R. Anusha, P. Walia and S. J. Darak, “Quantification of figures of merit of 7T and 8T SRAM cell in sub-threshold region and their comparison with the conventional 6T SRAM cell,” accepted in 20th IEEE VLSI Design and Test Symposium (VDAT-2016), Guwahati, India, May 2016.
  35. S. J. Darak, Christophe Moy and Jacques Palicot, “Bayesian Multi-Armed Bandit Based Decision Making Policy for RF Energy Harvesting Enabled Wireless Sensor Nodes,” accepted in URSI-France Workshop on Energy and Radio Science, Rennes, France, March 2016.
  36. S. J. Darak, Honggang Zhang, Jacques Palicot and Christophe Moy, “Compute-Efficient Decision Making Policy for D2D Communications and RF Energy Harvesting in Cognitive Radio Networks: Go Bayesian!,” in 23rd European Signal Processing Conference (EUSIPCO), pp. 1236-1240, Nice, France, Aug. 2015.
  37. S. J. Darak, Honggang Zhang, Jacques Palicot and Christophe Moy, “Efficient Decentralized Dynamic Spectrum Learning and Access Scheme for Multi-standard Multi-user Cognitive Radio Networks,” accepted for publication in 11th International Symposium on Wireless Communication Systems (IEEE ISWCS’2014), pp. 271-275, Barcelona, Spain, Aug. 2014.
  38. Sumedh Dhabu, S. J. Darak, A. P. Vinod and Jacques Palicot, “Design of Low Complexity Variable Digital Filter with Large Cutoff Frequency Range based on Second Order Frequency Transformation and Interpolation,” XXXI General Assembly and Scientific Symposium of the URSI (URSI-GASS), Beijing, China, Aug. 2014. (Young Scientist Paper Award)
  39. S. J. Darak, Xiguang Wu, Jacques Palicot and Honggang Zhang, “Linear Phase Filter Bank Design with Unabridged Control over Bandwidth and Center Frequency of Subbands,” in XXXI General Assembly and Scientific Symposium of the URSI (URSI-GASS), Beijing, China, Aug. 2014.
  40. S. J. Darak, Christophe Moy, Honggang Zhang and Jacques Palicot, “Dynamic Spectrum Access with Tunable Bandwidth for Multi-standard Cognitive Radio Receivers,” 37th International Conference on Telecommunications and Signal Processing , Berlin, Germany, July 2014.
  41. Xiguang Wu, S. J. Darak, Pierre Leray, Jacques Palicot and Honggang Zhang, “Reconfiguration Management on FPGA Platform for Cognitive Radio,” XXXI General Assembly and Scientific Symposium of the URSI (URSI-GASS), Beijing, China, Aug. 2014. (Travel Grant URSI-France)
  42. S. J. Darak, Honggang Zhang, Jacques Palicot and A. P. Vinod, “Efficient Spectrum Sensing for Green Cognitive Radio Using Low Complexity Reconfigurable Fast Filter Bank,” IEEE International Conference on Advanced Technologies for Communications , pp. 318-322, Ho Chi Minh City, Vietnam, Oct. 2013. (Invited Paper)
  43. S. J. Darak, A. P. Vinod and E. M-K. Lai, “An Area and Power Efficient Two-Stage Parallel Spectrum Sensing Scheme for Cognitive Radios,” IEEE International Symposium on Communications and Information Technologies (ISCIT), pp. 263-267, Gold Coast, Australia, Oct. 2012.
  44. S. J. Darak, A. P. Vinod and E. M-K. Lai, “Design of Variable Linear Phase FIR Filters Based on Second Order Frequency Transformations and Coefficient Decimation,” IEEE International Symposium on Circuits and Systems (ISCAS) , pp. 3182-3185, Seoul, South Korea, May 2012.
  45. S. J. Darak, A. P. Vinod and E. M-K. Lai, “Design of Variable Linear Phase FIR Filters Based on Second Order Frequency Transformations and Coefficient Decimation,” 18th Electronics New Zealand Conference (ENZCON) , Palmerston North, New Zealand, Nov. 2011.
  46. S. J. Darak, A. P. Vinod and E. M-K. Lai, “A Low Complexity Spectrum Sensing Scheme for Estimating Frequency Band Edges in Multi-Standard Military Communication Receivers,” International Conference on Communication, Science and Information Engineering (CCSIE) , London, ISBN: 978-0-9556254, July 2011, in print.
  47. S. J. Darak, A. P. Vinod and E. M-K. Lai, “A New Variable Digital Filter Design Based on Fractional Delay,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) , pp. 1629-1632, Prague, Czech Republic, May 2011.
  48. S. J. Darak, R. Mahesh, A. P. Vinod and E. M-K. Lai, “A Reconfigurable Filter Bank for Uniform and Non-uniform Channelization in Multi-Standard Wireless Communication Receivers,” 17th IEEE International Conference on Telecommunications (ICT) , pp. 951-956, Doha, Qatar, May 2010.
  49. H. M. Rode, A. S. Chiddarwar and S. J. Darak, “Suitability of FPGA for Computationally Intensive Image Processing Algorithms,” 17th IET seminar digest , 2009. (Best Paper Award)

Poster and Short Papers

  1. Syed Asrar ul Haq and S. J. Darak, “Pilot-Enhanced RNN-Aided Channel Estimation for Vehicular Communication,” in 17th International Conference on Communication Systems & Networks (COMSNETS 2025: Poster) , India, Jan. 2025.
  2. Ishaan Sharma, Rohit Kumar and S. J. Darak, “Optimizing RIS Block Selection for Power Consumption,” in 17th International Conference on Communication Systems & Networks (COMSNETS 2025: Poster) , India, Jan. 2025.
  3. Syed Asrar ul Haq, Bhavesh , Bhavesh Prasad Dangwal, Anurag Gulati, and S. J. Darak, “Deep Learning-based Channel Estimation on System on Chip” in IEEE APCCAS Design Contest, Nov. 2023. (Design Contest Winner)
  4. Mayank Rawat, Lasani Hussain, Neeraj Kumar Yadav, S. J. Darak, Praveen Tammana and Rinku Shah, “Microservice-based in-network security framework for FPGA NICs,” in 23rd International Symposium on Cluster, Cloud and Internet Computing (CCGrid 2023), May 2023. (PDF)
  5. H. Verma, H. Goel, S. J. Darak and M. Hanawal, “Exploiting Side Information for Intelligent and Reconfigurable PHY: Experiments on LTE Transceivers,” in 14th International Conference on Communication Systems & Networks (COMSNETS 2022: Poster) , India, Jan. 2022. (PDF)
  6. S. Chandhok, H. Joshi, S. J. Darak and A. Subramanyam , “LSTM Guided Modulation Classification and Experimental Validation for Sub-Nyquist Rate Wideband Spectrum Sensing,” in 11th International Conference on Communication Systems & Networks (COMSNETS 2019: Poster) , India, Jan. 2019. (Second-best Poster Award) (PDF) (Video)
  7. R. Verma, S. J. Darak, V. Tikkiwal, H. Joshi and R. Kumar , “Countermeasures Against Jamming Attack in Sensor Networks with Timing and Power Constraints,” in 11th International Conference on Communication Systems & Networks (COMSNETS 2019: Poster) , India, Jan. 2019. (PDF)
  8. N. Agrawal and S. J. Darak , “Performance Analysis of Reconfigurable Filtered OFDM for LDACS,” in 11th International Conference on Communication Systems & Networks (COMSNETS 2019: Poster) , India, Jan. 2019. (PDF)
  9. P. Jain, V. Batra and S. J. Darak, “Improved Hierarchical Decision Making Policy for Reliable and Green Electricity Grid,” in in 10th International Conference on Communication Systems & Networks (COMSNETS 2018: Poster) , India, Jan. 2018. (PDF) (PDF)
  10. S. Sharma, S. J. Darak, and A. Srivastava , “Energy Saving in Heterogeneous Cellular Network via Transfer Reinforcement Learning Based Policy,” in 9th International Conference on Communication Systems & Networks (COMSNETS 2017: Poster) , India, Jan. 2017. (PDF)
  11. P. Kumar, S. J. Darak, and Y. Yeleswarapu , “Performance Evaluation of Cumulant Feature Based Automatic Modulation Classifier on USRP Testbed,” in 9th International Conference on Communication Systems & Networks (COMSNETS 2017: Poster) , India, Jan. 2017.

Thesis/Reports

  1. Arnav Kumar Palia, Atyant Sony, Mohit Bansal, Nikhil Gupta and S. J. Darak, “TA Allocation System,” BTech Report, IIIT Delhi, 2024. (PDF)
  2. Aditya Singh and S. J. Darak, “CLOUD LAB,” BTech Report, IIIT Delhi, 2024. (PDF)
  3. Prateek Kumar, Rinku Shah and S. J. Darak, “Crypto-accelerators using SmartNIC,” BTech Report, IIIT Delhi, 2024. (PDF)
  4. Anurag Gulati and S. J. Darak, “Neural Network-based Channel Estimation for Next-Generation Wireless Massive MIMO Networks,” BTech Report, IIIT Delhi, 2023. (Published in AICAS 2024, VLSID 2023 Design Contest Winner, IEEE APCCAS 2023 Design Contest Winner and IIITD Best BTP Nomination) (PDF)
  5. Aryan Govil, Daksh Kumar and S. J. Darak, “Design and Prototype of 802.11ad based Joint Radar Communication Transceiver,” BTech Report, IIIT Delhi, 2023. (PDF) (IIITD Best BTP Award 2024: Research Track)
  6. Chintan Puggalok, Kunal Sagar, Abhishek Jangid, Md Zaid and S. J. Darak, “Time Table Generation and Room Booking System using Constraint Satisfaction Problem,” BTech Report, IIIT Delhi, 2023. (PDF)
  7. Krishna Neel Reddy, Kshtiz Joshi and S. J. Darak, “Design and Prototype of 802.11ad based Joint Radar Communication Transceiver on FPGA,” BTech Report, IIIT Delhi, 2022. (IIITD Best BTP Nomination) (PDF)
  8. Shragvi Sidharth Jha and S. J. Darak, “Design & Performance Analysis of Wireless Radar Receiver for Joint Radar Communication Systems on MPSoC,” BTech Report, IIIT Delhi, 2022. (VLSID 2022 Design Contest Winner and IIITD Best BTP Nomination) (PDF)
  9. Animesh Sharma and S. J. Darak, “Hardware Software Co-Design of Deep Learning Augmented Wireless Channel Estimation,” MTech Thesis, IIIT Delhi, 2022. (Published in IEEE TCAS 1, VLSID 2023 Design Contest Runner-up Award and IIITD Best MTech Thesis Award) (Funding support from IITI TiH Drishti) (PDF)
  10. V Sri Sindhu, Shobha S. Ram and S. J. Darak, “Software Prototype of IEEE 802.11ad Based Joint Radar Communication Receiver,” MTech Thesis, IIIT Delhi, 2022. (PDF) (Published in IEEE TVT)
  11. Soumya Jain, Shobha S. Ram and S. J. Darak, “Software and Hardware Prototype of IEEE 802.11ad Based Joint Radar Communication Transmitter,” MTech Thesis, IIIT Delhi, 2022. (PDF) (Published in IEEE TVT)
  12. Anmol Goyal, Mihir Chaturvedi and S. J. Darak, “Developing Solutions for Remote SoC Labs,” BTech Project Report, IIIT Delhi, 2022. (PDF)
  13. Somya Sharma and S. J. Darak, “Exploring RF Data Converters on RFSoC Platform,” MTech Thesis, IIIT Delhi, 2022. (PDF)
  14. Mansi and S. J. Darak, “Hardware Software Co-design of 5G NR Polar Encoder and Decoder on System-on-Chip,” MTech Thesis, IIIT Delhi, 2022. (PDF)
  15. Rohith Rajesh and S. J. Darak, “Reconfigurable and Intelligent Architectures for Deep Learning Algorithms,” BTech Project Report, IIIT Delhi, 2021. (Published in IEEE TVLSI) (PDF) (Video)
  16. Himani Joshi and S. J. Darak, “Intelligent and Reconfigurable Ultra-Wideband Spectrum Characterization at Sub-Nyquist Rate,” PhD Thesis, IIIT Delhi, 2021. (COMSNETS 2022 Best PhD Thesis Award and IIITD Doctoral Dissertation Award) (PDF) (Video)
  17. Mohammad Taha Shah and S. J. Darak, “ On the Design and Performance Analysis of 5G Initial Access Physical Layer,” MTech Thesis, IIIT Delhi, 2021. (PDF)
  18. Khalid Lodhi and S. J. Darak, “ Design of Synchronization Burst Transmitter and Reciever for 5G phy Layer,” BTech Project Report, IIIT Delhi, 2021. (Published in Chips) (PDF)
  19. Mansi Gupta, Somya Sharma, Himani Joshi and S. J. Darak, “DoA Estimation via Hardware Software Co-design,” BTech Project Report, IIIT Delhi, 2021. (Published in IEEE TCAS II) (PDF) (Video)
  20. Jayant Chhillar and S. J. Darak, “5G Cell Search on RFNoC Platform,” BTech Project Report, IIIT Delhi, 2021. (Published in Chips) (PDF) (Video)
  21. Piyush Ranjan Sahoo, Romesh Rajoria, Danilo Pau and S. J. Darak, “Edge AI for 5G,” BTech Project Report, IIIT Delhi, 2021. (Best Paper Award in AIMLSystems 2021 conference) (PDF) (Video)
  22. S. V. Sai Santosh and S. J. Darak, “Reconfigurable Architectures for Online Machine Learning,” BTech Project Report, IIIT Delhi, 2020. (Published in IEEE TNNLS, IEEE TCAS II and IEEE ISCAS) (PDF)
  23. K. Manohar Reddy and S. J. Darak, “Framework for Enabling Hardware Acceleration in GNU Radio,” MTech Thesis, IIIT Delhi, 2019. (Published in IEEE ISCAS) (PDF)
  24. G. Deep and S. J. Darak, “FPGA Implementation of Multi-standard wireless Transceiver via Dynamic Partial Re-configuration,” MTech Thesis, IIIT Delhi, 2017. (PDF)
  25. S. Pani and S. J. Darak, “Learning Aided Opportunistic Spectrum Access in Decentralized Networks with Unknown Number of Secondary Users,” MTech Thesis, IIIT Delhi, 2017. (PDF)
  26. S. Garg, S. J. Darak and P. Sikka, “Candidate Waveforms for Wireless Communications: Analysis via Hardware Software Co-Design on Zynq SoC,” MTech Thesis, IIIT Delhi, 2017. (IIIT-Delhi Best MTech Thesis Award 2017 (ECE)) (PDF)
  27. H. Joshi and S. J. Darak, “Blind Reconstruction and Automatic Modulation Classifier for Non-uniform Sampling based Wideband Communication Receivers,” MTech Thesis, IIIT Delhi, 2016. (PDF)
  28. S. Sharma, A. Srivastava and S. J. Darak, “Transfer Reinforcement Learning Framework for Energy Saving in Next Generation Wireless Networks,” MTech Thesis, IIIT Delhi, 2016. (PDF)
  29. J. K. Gulati, S. J. Darak and Bhanu Prakash, “An Efficient Timing and Clock Tree Aware Placement Flow with Multibit Flip-flops for Power Reduction,” MTech Thesis, IIIT Delhi, 2016. (PDF)
  30. S. Sharma, V. A. Bohara and S. J. Darak, “Blind Parameters Estimation by Exploiting Cyclostationary Features in Wavelet Domain,” MTech Thesis, IIIT Delhi, 2016. (PDF)
  31. S. J. Darak and A. P. Vinod, “Design of Low Complexity Variable Digital Filters and Reconfigurable Filter Banks for Multi-Standard Wireless Communication Receivers,” PhD Thesis, NTU Singapore, 2013. (PDF)
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