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Biomedical & Neural Integrated Circuits & Systems (BioNICS) Group

Department of Electrical Engineering, IIT Bombay

Publications

Journals

  1. Anal Prakash Sharma, K Akhilesh Rao and Laxmeesha Somappa, "Hardware Optimization and Implementation of a 16-Channel Neural Tree Classifier for on-chip Closed-Loop Neuromodulation," IEEE Transactions on Biomedical Circuits and Systems, vol-x, 2024
  2. Shubham Patil, Abhishek Kadam, Jay Sonawane, Shreyas Deshmukh, R Gaurav, Ajay Kumar Singh, Sandip Lashkare, Veeresh Deshpande, Laxmeesha Somappa and Udayan Ganguly, "Area and Energy-Efficient Quantum Tunneling-Based Thermal Sensor on 45nm RFSOI Technology," IEEE Transactions on Electron Devices, vol-71, 2024
  3. Abhishek A Kadam, Shubham Patil, Ajay K Singh, Maryam Shojaei Baghini, Udayan Ganguly and Laxmeesha Somappa, "A 42.3 μm2 Band to Band Tunneling-Based Oscillator Enabled Temperature to Digital Converter With Resolution FoM of 0.16 pJK2 for Embedded Temperature Sensing," IEEE Solid-State Circuits Letters, vol-7, 2024
  4. Ekta Sharma, Meraj Ahmad, Anwar Ulla Khan, Laxmeesha Somappa, Maryam Shojaei Baghini, Hadi Heidari and Shahid Malik, "Current-Excitation Based ΔR-to-Frequency Converter for Resistive Sensors," IEEE Sensors Journal, 2024
  5. Mohamad Idris Wani, Sadan Saquib Khan, Benish Jan, Meraj Ahmad, Maryam Shojaei Baghini, Laxmeesha Somappa and Shahid Malik, "Design analysis and experimental validation of relaxation oscillator-based circuit for R–C sensors," IOP Science Measurement Science and Technology, vol. 34, 2024
  6. Abhishek A Kadam, Ajay K Singh, Laxmeesha Somappa, Maryam Shojaei Baghini and Udayan Ganguly, "A compact and ultra-low-power low-pass filter based on band-to-band tunneling effect," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, 2023
  7. Raghav Singhal, Vivek Saraswat, Shreyas Deshmukh, Sreenivas Subramoney, Laxmeesha Somappa, Maryam Shojaei Baghini and Udayan Ganguly, "Enhanced regularization for on-chip training using analog and temporary memory weights," Neural Networks (ScienceDirect), vol.165, 2023

Conferences

  1. Arpit Bal, Aayush Shrivastava and Laxmeesha Somappa, "Performance Evaluation of Chopping and Auto-Zeroing based Time-Division Multiplexed High-Density Analog Front-End for Neural Recording," IEEE Biomedical Circuits and Systems Conference (BioCAS), Xi'an, China, 2024
  2. Aksh Garg, Tejas Amritkar, Saravanan Vijayakumaran and Laxmeesha Somappa, "A Cryptographic Security Engine With Sequence Tracker for Implantable Neural Stimulation Devices," IEEE Biomedical Circuits and Systems Conference (BioCAS), Xi'an, China, 2024
  3. Shantanu Singh Baliyan, Anshul Thakur and Laxmeesha Somappa, "On-chip Data Compression Techniques for High-Density Implantable Neural Recording," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, 2024
  4. Hitesh Kumar Sahu, Emon Sarkar, Pushkar Sathe and Laxmeesha Somappa, "All-Digital High-Resolution Frequency Measurement SoC for Rapid MEMS Readouts," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, 2024
  5. Anal Prakash Sharma and Laxmeesha Somappa, "Hardware Implementation of a 16 Channel 0.16 μJ/class Neural Tree for on-chip Seizure Detection," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, 2024
  6. Atharva Raut, Abhishek A Kadam, Ajay K Singh, Laxmeesha Somappa, Maryam Shojaei Baghini and Udayan Ganguly, "A sub-100 nW Power, Compact CTDSM with a Band-To-Band Tunnelling Loop Filter," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, 2024
  7. R Gaurav, Abhishek A Kadam, Ajay K Singh, Laxmeesha Somappa, Maryam Shojaei Baghini and Udayan Ganguly, "A Compact 140nW/input Winner-Take-All Circuit for Spiking Neural Networks," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, 2024
  8. Lakshmi Iyer and Laxmeesha Somappa, "A 16-Channel GRU based On-Chip Seizure Classifier for Closed Loop Neuromodulation," IEEE International Conference on AI Circuits and Systems (AICAS), Abu Dhabi, UAE, 2024
  9. Shreyas Deshmukh, Shubham Patil, Anmol Biswas, Vivek Saraswat, Abhishek Kadam, Ajay K Singh, Laxmeesha Somappa, Maryam Shojaei Baghini and Udayan Ganguly, "Resistive Processing Unit-based On-chip ANN Training with Digital Memory," IEEE International Conference on AI Circuits and Systems (AICAS), Abu Dhabi, UAE, 2024
  10. Surya Varchasvi Devaraj, Khalid Shaikh, Reddygari Bhupal Dheeraj, Laxmeesha Somappa and Maryam Shojaei Baghini, "SoilgSenS 30.2: An Affordable ASIC-based Portable Soil Moisture Sensor Module," IEEE Applied Sensing Conference (APSCON), Goa, 2024
  11. Sagar Mahajan, Poulami Mandal and Laxmeesha Somappa, "Low Precision Floating Point Spectral Feature Extraction Engine for Closed-Loop Neuromodulation," IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Hyderabad, 2023
  12. Pushkar Sathe, Ajay Verma and Laxmeesha Somappa, "Efficient CORDIC Architectures for FFT Based All Digital Resonator Frequency Estimation," IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Hyderabad, 2023
  13. Hitesh Kumar Sahu, Emon Sarkar and Laxmeesha Somappa, "Implementation of FFT Using Low-Precision Floating Point for Rapid High Precision MEMS Readouts," IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Hyderabad, 2023
  14. K Akhilesh Rao and Laxmeesha Somappa, "An 8-Channel TDM Spectral Feature Extraction for Neuromodulation SoC," IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Hyderabad, 2023
  15. Mehreeq Mushtaq, Mohammad Idris Wani, Sadan Saquib, Meraj Ahmad, Laxmeesha Somappa, Maryam Shojaei Baghini, Hadi Heidari and Shahid Malik, "Mismatch and offset-voltage compensation technique for current excitation based resistive sensors interface," IEEE Interregional NEWCAS Conference (NEWCAS), Edinburgh, Scotland, 2023
  16. Abhishek A Kadam, Anmol Biswas, Vivek Saraswat, Ajay K Singh, Laxmeesha Somappa, Maryam Shojaei Baghini and Udayan Ganguly, "Real-world performance estimation of liquid state machines for spoken digit classification," International Joint Conference on Neural Networks (IJCNN), Queensland, Australia, 2023
  17. Emon Sarkar, Hitesh Sahu, Khalid Shaikh and Laxmeesha Somappa, "On the Implementation of Data Security for Neurostimulation Devices," IEEE International Symposium on Circuits and Systems (ISCAS), California, USA, 2023
  18. Shreyas Deshmukh, Vivek Saraswat, Venkatesh Gopinath, Rajesh Nair, Laxmeesha Somappa, Maryam S Baghini and Udayan Ganguly, "ANN Inference enabled by Variability Mitigation using 2T-1R Bit Cell-based Design Space Analysis," IEEE International Symposium on Circuits and Systems (ISCAS), California, USA, 2023
  19. Sumit Kumar, Sadan Saquib Khan, Rohan Patil, Meraj Ahmad, Laxmeesha Somappa and Shahid Malik, "Development and validation of offset current compensation technique for optical sensors," IEEE Applied Sensing Conference (APSCON), Bengaluru, 2023
  20. Laxmeesha Somappa, Shahid Malik and Maryam Shojaei Baghini, "Software Reconfigurable Frequency Readouts with Coarse Voltage Quantizers for Sensor Applications," IEEE Applied Sensing Conference (APSCON), Bengaluru, 2023
  21. Rohan Patil, Mohamad Idris Wani, Tarikul Islam, Maryam Shojaei Baghini, Laxmeesha Somappa and Shahid Malik, "Comparative Study and Experimental Validation of Phase-Sensitive-Detection Techniques for Sensor Lock-in Amplifiers," IEEE Applied Sensing Conference (APSCON), Bengaluru, 2023
  22. Surya Varchasvi Devaraj, Khalid Shaikh, Vidushi Gaur, Laxmeesha Somappa and Maryam Shojaei Baghini, "Design and characterization methodology of capacitive sensors for soil moisture sensing applications," IEEE Applied Sensing Conference (APSCON), Bengaluru, 2023