Publications

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• A. Das, Y. Agarwal, S. K. Ghosh, A. Raha, and V. Raghunathan, "ECO: Low Power Context-Aware Multimodal AI on NPUs", ISLPED Design Contest, 2025.
   
• A. Das, Y. Agarwal, C. Wang, A. Raha, S. K. Thirumala, S. K. Gupta, and V. Raghunathan, "PRISM: Toward Energy-Efficient AIoT with Processing-In-Sensor+Memory in Battery-Free Devices", IEEE COINS, 2025.
   
• A. Das, S. Kundu, A. Raha, S. Ghosh, D. Mathaikutty, and V. Raghunathan, "GraNNite: Enabling High-Performance Execution of Graph Neural Networks on Resource-Constrained Neural Processing Units", IJCNN, 2025.
   
• A. Das, A. Raha, S. Kundu, S. K. Ghosh, D. Mathaikutty, and V. Raghunathan, "XAMBA: Enabling Efficient State Space Models on Resource-Constrained Neural Processing Units", SCOPE Workshop at ICLR, 2025.
   
• S. K. Ghosh, A. Das, A. Raha, and V. Raghunathan, "Towards Energy-Accuracy Scalable Multimodal Cognitive Systems", IEEE Embedded Systems Letters (ESL), 2024.
   
• A. Das, S. K. Ghosh, A. Raha, and V. Raghunathan, "Toward Energy-Efficient Collaborative Inference Using Multisystem Approximations", IEEE Internet of Things Journal (IOTJ) and WF-IoT, 2024.
   
• H. Jayakumar, A. Raha, Y. Kim, S. Sutar, W. S. Lee, and V.Raghunathan, "Energy-Efficient System Design for IoT Devices", Asia and South Pacific Design Automation Conference (ASP-DAC), 2016.
   
• H. Jayakumar, A. Raha, and V. Raghunathan, "Energy-Aware Memory Mapping for Hybrid FRAM-SRAM MCUs in IoT Edge Devices", IEEE International Conference on VLSI Design (VLSID), 2016. [Best Paper Award]
   
• A. Raha, H. Jayakumar, S. Sutar, and V. Raghunathan, "Quality-Aware Data Allocation in Approximate DRAM", ACM International Conference on Compilers, Architectures and Synthesis of Embedded Systems (CASES), 2015.
   
• Y. Kim, W. S. Lee, V. Raghunathan, N. K. Jha, A. Raghunathan, "Vibration-based secure side channel for medical devices", IEEE/ACM Design Automation Conference (DAC), 2015.
   
• A. Raha, H. Jayakumar, and V. Raghunathan, "Input- Based Dynamic Reconfiguration of Approximate Arithmetic Units for Video Encoding", IEEE Transactions on VLSI Systems (TVLSI), 2015.
   
• H. Jayakumar, A. Raha, and V. Raghunathan, "QUICKRECALL: A Low Overhead HW/SW Approach for Enabling Computations across Power Cycles in Transiently Powered Computers", ACM Journal of Emerging Technologies in Computing Systems, Special Issue on Advances in Design for Ultra-Low Power Circuits and Systems in Emerging Technologies (JETC), 2015.
   
• A. Raha, S. Venkataramani, V. Raghunathan, and A. Raghunathan, "Quality Configurable Reduce-and-Rank for Energy Efficient Approximate Computing", IEEE/ACM Design, Automation and Test in Europe (DATE), 2015.
   
• A. Raha, S. Mitra, V. Raghunathan, and S. Rao, "VIDalizer: An Energy Efficient Video Streamer", IEEE Wireless Communications and Networking Conference (WCNC), 2015.
   
• W. S. Lee, H. Jayakumar, and V. Raghunathan, "When they are not listening: Harvesting power from idle sensors in embedded systems", IEEE International Green Computing Conference (IGCC), 2014.
   
• Y. Kim, V. Raghunathan, and A. Raghunathan, "Design and management of hybrid electrical energy storage systems for regulation services", IEEE International Green Computing Conference (IGCC), 2014.
   
• H. Jayakumar, A. Raha, and V. Raghunathan, "HYPNOS: An Ultra-Low Power Sleep Mode with SRAM Data Retention for Embedded Microcontrollers", ACM/IEEE International Conference on Hardware/Software Codesign and System Synthesis (ISSS+CODES), 2014.
   
• H. Jayakumar, K. Lee, W. S. Lee, A. Raha, Y. Kim, and V. Raghunathan, "Powering the Internet of Things", ACM/IEEE International Symposium on Low Power Electronics and Design (ISLPED), 2014.
   
• A. Raha, Hrishikesh J. and V. Raghunathan, "A Power Efficient Video Encoder using Reconfigurable Approximate Arithmetic Units", IEEE International Conference on VLSI Design (VLSID), 2014.
   
• Hrishikesh J., A. Raha and V. Raghunathan, "QUICKRECALL: A Low Overhead HW/SW Approach for Enabling Computations across Power Cycles in Transiently Powered Computers", IEEE International Conference on VLSI Design (VLSID), 2014.
   
• A. B. M. Alim Al Islam, and V. Raghunathan, "QRTT: Stateful Round Trip Time Estimation for Wireless Embedded Systems Using Q-Learning", IEEE Embedded System Letters, 2012.
   
• M. S. Hossain, W. S. Lee, and V. Raghunathan, "SPI-SNOOPER: a hardware-software approach for transparent network monitoring in wireless sensor networks", IEEE/ACM International Conference on Harwdare/Software Codesign and System Synthesis (CODES+ISSS), 2012.
   
• E. S. Mungan, C. Lu, V. Raghunathan, and K. Roy, "Modeling, design and cross-layer optimization of polysilicon solar cell based micro-scale energy harvesting systems", ACM International Symposium on Low Power Electronics and Design (ISLPED), 2012.
   
• A. B. M. Alim Al Islam, S. M. Iftekharul Alam, V. Raghunathan, and S. Bagchi, "Multi-armed Bandit Congestion Control in Multi-hop Infrastructure Wireless Mesh Networks", IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS), 2012.
   
• A. B. M. Alim Al Islam, and V. Raghunathan, "A Cross-Layer Analytical Model to Estimate the Capacity of a WiMAX Network", IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS), 2012.
   
• C. Lu, S. P. Park, V. Raghunathan, and K. Roy, "Low-Overhead Maximum Power Point Tracking for Micro-Scale Solar Energy Harvesting Systems", IEEE International Conference on VLSI Design (VLSID), 2012.
   
• C. Lu, V. Raghunathan, and K. Roy, "Efficient Design of Micro-Scale Energy Harvesting Systems", IEEE Journal of Emerging and Selected Topics in Circuits and Systems, 2011.
   
• A. B. M. Alim Al Islam, M. S. Hossain, and V. Raghunathan, "Dynamic Clustering with Relay Nodes (DCRN): A Clustering Technique to Maximize Stability in Heterogeneous Wireless Sensor Networks", International Journal of Communications, Network and System Science (IJCNS), 2011.
   
• C. Lu, S. P. Park, V. Raghunathan, and K. Roy, "Stage number optimization for switched capacitor power converters in micro-scale energy harvesting", IEEE/ACM Design, Automation and Test in Europe (DATE), 2011.
   
• A. B. M. Alim Al Islam, M. S. Hossain, V. Raghunathan, and Y. C. Hu, "Backpacking: Deployment of Heterogeneous Radios in High Data Rate Sensor Networks", IEEE International Conference on Computer Communications and Networks (ICCCN), 2011.
   
• M. S. Hossain, A. B. M. Alim Al Islam, M. Kulkarni, and V. Raghunathan, "μSETL: A set based programming abstraction for wireless sensor networks", IEEE/ACM International Conference on Information Processing in Sensor Networks (IPSN), 2011.
   
• A. B. M. Alim Al Islam, and V. Raghunathan, " Assessing the viability of cross-layer modeling for asynchronous, multi-hop, ad-hoc wireless mesh networks", ACM International Symposium On Mobility Management And Wireless Access (MOBIWAC), 2011.
   
• M. T. Creti, M. S. Hossain, S. Bagchi, and V. Raghunathan, "Aveksha: a hardware-software approach for non-intrusive tracing and profiling of wireless embedded systems", ACM Conference on Embedded Networked Sensor Systems (SenSys), 2011. [Best Paper Award]
   
• A. B. M. Alim Al Islam, and V. Raghunathan, " End-to-end congestion control in wireless mesh networks using a neural network", IEEE Wireless Communications and Networking Conference (WCNC), 2011.
   
• C. Lu, V. Raghunathan, and K. Roy, "Micro-scale energy harvesting: a system design perspective", Asia South Pacific Design Automation Conference (ASP-DAC), 2010.
   
• C. Lu, S. P. Park, V. Raghunathan, and K. Roy, "Efficient power conversion for ultra low voltage micro scale energy transducers", IEEE/ACM Design, Automation and Test in Europe (DATE), 2010.
   
• M. S. Hossain, and V. Raghunathan, "AEGIS: A Lightweight Firewall for Wireless Sensor Networks", IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS), 2010.
   
• M. S. Hossain, and V. Raghunathan, "AEGIS: a rule based framework for traffic gatekeeping in wireless sensor networks", IEEE/ACM International Conference on Information Processing in Sensor Networks (IPSN), 2010.
   
• C. Lu, V. Raghunathan, and K. Roy, "Maximum power point considerations in micro-scale solar energy harvesting systems", IEEE International Symposium on Circuits and Systems (ISCAS), 2010.
   
• C. Lu, S. P. Park, V. Raghunathan, and K. Roy, "Analysis and design of ultra low power thermoelectric energy harvesting systems", ACM International Symposium on Low Power Electronics and Design (ISLPED), 2010.
   
• V. Raghunathan, "Green at the micro-scale: towards self-powered embedded systems", ACM International Symposium on Low Power Electronics and Design (ISLPED), 2009.
   
• N. Kothari, K. Nagaraja, V. Raghunathan, F. Sultan, and S. Chakradhar, "HERMES: A Software Architecture for Visibility and Control in Sensor Network Deployments", IEEE/ACM International Conference on Information Processing in Sensor Networks (IPSN), 2008.
   
• V. Raghunathan and P. H. Chou, "Design and Power Management of Energy Harvesting Embedded Systems", ACM International Symposium on Low Power Electronics and Design (ISLPED), 2006.
   
• J. Hsu, S. Zahedi, A. Kansal, V. Raghunathan, and M. B. Srivastava, "Adaptive Duty Cycling for Energy Harvesting Systems", ACM International Symposium on Low Power Electronics and Design (ISLPED), 2006. [Nominated for best paper award]
   
• A. Kansal, J. Hsu, M. Srivastava, and V. Raghunathan, "Harvesting Aware Power Management for Sensor Networks", ACM/IEEE Design Automation Conference, 2006.
   
• V. Raghunathan, F. Sultan, K. Nagaraja, and S. Chakradhar, "A New Computing and Communication Paradigm for Next-Generation Wireless Services: Low Power, Secure Wireless Sensor Networks", IEEE Radio and Wireless Symposium (RWS), 2006.
   
• V. Raghunathan, S. Ganeriwal, and M. B. Srivastava, "Emerging Techniques for Long Lived Wireless Sensor Networks", IEEE Communications Magazine, April 2006.
   
• V. Raghunathan, A. Kansal, J. Hsu, J. Friedman, and M. B. Srivastava, "Design Considerations for Solar Energy Harvesting Wireless Embedded Systems", IEEE International Conference on Information Processing in Sensor Networks (IPSN), 2005.
   
• V. Raghunathan, C. Pereira, M. B. Srivastava, and R. Gupta, "Energy Aware Wireless Systems with Adaptive Power-Fidelity Tradeoffs", IEEE Transactions on VLSI Systems, February 2005.
   
• T. Pering, V. Raghunathan, and R. Want, "Exploiting Radio Hierarchies for Power Efficient Wireless Device Discovery and Connection Setup", IEEE International Conference on VLSI Design (VLSID), 2005.
   
• V. Raghunathan, C. Schurgers, S. Park, and M. B. Srivastava, "Energy efficient design of wireless sensor nodes", in Wireless Sensor Networks, Kluwer Academic Publishers, 2004.
   
• G. Kulkarni, V. Raghunathan, and M. B. Srivastava, "Joint End-to-End Scheduling, Power Control and Rate Control in Multi-hop Wireless Networks", IEEE Global Telecommunications Conference (GLOBECOM), 2004.
   
• V. Raghunathan, T. Pering, R. Want, A. Nguyen, and P. Jensen, "Experience With a Low Power Mobile Wireless Computing Platform", ACM/IEEE International Symposium on Low Power Electronics and Design (ISLPED), 2004.
   
• F. C. Chen, et al., "Reconfigurable Fabric: An Enabling Technology for Pervasive Medical Monitoring", Communication Networks and Distributed Systems Modeling and Simulation Conference (CNDS), 2004.
   
• V. Raghunathan, S. Ganeriwal, C. Schurgers, and M. B. Srivastava, "Energy Efficient Wireless Packet Scheduling and Fair Queuing", ACM Transactions on Embedded Computing Systems, February 2004.
   
• C. Schurgers, V. Raghunathan, and M. B. Srivastava, "Power Management for Energy Aware Communication Systems", ACM Transactions on Embedded Computing Systems, August 2003.
   
• T. Pering, et al., "The Personal Server: Personal Content for Situated Displays", Adjunct Proceedings, International Conference on Ubiquitous Computing (UBICOM), 2003.
   
• S. Park, V. Raghunathan, and M. B. Srivastava, "Energy Efficiency and Fairness Tradeoffs in Multi-Resource Multi-Tasking Embedded Systems", ACM International Symposium on Low Power Electronics and Design (ISLPED), 2003.
   
• V. Raghunathan, M. B. Srivastava, and R. K. Gupta, "A Survey of Techniques for Energy Efficient On-Chip Communication", ACM/IEEE Design Automation Conference (DAC), 2003.
   
• V. Raghunathan, S. Ganeriwal, C. Schurgers, and M. B. Srivastava, "E²WFQ: An Energy Efficient Fair Scheduling Policy for Wireless Systems", ACM International Symposium on Low Power Electronics and Design (ISLPED), 2002.
   
• G. Kulkarni, V. Raghunathan, M. B. Srivastava, and M. Gerla, "Channel Allocation in OFDMA based Wireless Ad Hoc Networks", SPIE International Conference on Advanced Signal Processing Algorithms, Architectures, and Implementations, 2002.
   
• V. Raghunathan, C. Schurgers, S. Park, and M. B. Srivastava, "Energy Aware Wireless Microsensor Networks", IEEE Signal Processing, March 2002.
   
• V. Raghunathan, A. Raghunathan, M. B. Srivastava, and M. D. Ercegovac, "High-Level Synthesis with SIMD Units", IEEE International Conference on VLSI Design (VLSID) / Asia South Pacific Design Automation Conference (ASP-DAC), 2002.
   
• V. Raghunathan, P. Spanos, and M. B. Srivastava, "Adaptive Power-Fidelity in Energy Aware Wireless Embedded Systems", IEEE Real-Time Systems Symposium (RTSS), 2001.
   
• C. Schurgers, V. Raghunathan, and M. B. Srivastava, "Energy Aware Scheduling of Real-Time Traffic Through Modulation Scaling", IEEE Global Telecommunications Conference (GLOBECOM), 2001.
   
• V. Raghunathan, S. Ravi, A. Raghunathan, and G. Lakshminarayana, "Transient Power Management Through High-Level Synthesis", IEEE International Conference on Computer-Aided Design (ICCAD), 2001.
   
• V. Raghunathan, S. Ravi, and G. Lakshminarayana, "Integrating Variable-latency Components into High-Level Synthesis", IEEE Transactions on Computer-Aided-Design, October 2000.
   
• V. Raghunathan, S. Ravi, and G. Lakshminarayana, "High-Level Synthesis using Variable-latency units", IEEE International Conference on VLSI Design (VLSID), 2000. [Best student paper award]