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Prof. P Sreehari Rao

Professor

Department of Electronics and Communication Engineering

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Information

Room No: EC110 +91-870-2462439 patri@nitw.ac.in Bio Sketch

    Key Notes

    • Journal(s): 20
    • Conference(s): 19
    • PhD: Current - 13  Awarded - 8

    39

    PUBLICATIONS

    21

    DOCTORAL STUDENTS

    13

    PROJECTS

    3

    PATENTS

    Research Areas

    Analog and Mixed-Signal IC Design
    Communication Systems
    Power Management ICs Design
    SERDES Circuits
    Smart Sensors
    Smart SoC design for IoT applications
    EDUCATION QUALIFICATION
    Degree Institute Year
    Doctor of Philosophy National Institute of Technology Warangal 2010
    Master of Technology Indian Institute of Technology Roorkee 1995
    Bachelor of Technology Nagarjuna University 1991
    COURSES HANDLED
    Course L-T-P Credit Degree Level
    Analog IC Design(EC26003) 3-0-0 3 UG, PG
    Mixed Signal Circuits(EV303) 3-0-0 3 UG
    Signals and Systems(EV202) 3-0-2 4 UG
    CMOS Analog IC Design(EV252) 3-0-0 3 UG
    Mixed Signal Design(EC26004) 3-0-0 3 UG, PG
    Analog IC Design(EC5204) 3-0-0 3 UG, PG
    Mixed Signal Design(EC5252) 3-0-0 3 UG, PG
    Sanskrit for Technical Knowledge(IC209) 1-0-0 0 UG
    RESEARCH IDs
    ORCID
    ORC ID
    PUBLICATIONS
    Journal(s)
    Low Latency Multikernel Polar Codes Using Approximate Processing Element, By Jali Nandini, Pullakandam Muralidhar, Patri Sreehari Rao, Wiley , International Journal of Circuit Theory and Applications, vol., pp., 2025
    Approximate Successive Cancellation Decoder for Polar Codes, By Jali Nandini, Muralidhar Pullakandam, Sreehari Rao Patri, DRDO, Defence Science Journal, vol., pp., 2025
    A 0.5 V Energy Efficient CMOS Temperature Sensor with 97.64 pJ/Conversion for Portable Applications, By Chilaka Jayaram, Patri Sreehari Rao, IEEE, IEEE Sensors, vol.24, pp.2436 - 2444, 2024
    An Energy-Efficient Fully On-Chip CMOS Temperature Sensor for Portable Applications With an RFoM of 2.79 pJ.K2, By Chilaka Jayaram, Patri Sreehari Rao, Wiley , International Journal of Circuit Theory and Applications, vol., pp., 2024
    Advance method of testing memories using Vedic March Algorithm, By K.V.B.V Rayudu, D.R. Jahagirdir, P. Sreehari Rao, Taylor & Francis, IETE Journal of Research, vol., pp., 2023
    Recursive Challenge Feed Arbiter Physical Unclonable Function (RC-FAPUF) in 180nm process for reliable key generation in IoT security, By P. Raveendra, P. Sreehari Rao, P. Muralidhar, Taylor & Francis, IETE Technical Review, vol., pp., 2023
    Low Latency SC Decoder Architecture for Interleaved Polar Codes, By J. Nandini, P. Muralidhar, P. Sreehari Rao, Radio Engineering, Radio Engineering, vol., pp., 2022
    An Ultra-Low-Power, Self-start-up DC-DC Boost Converter for Self-Powered IoT Node , By K. Krishna Reddy, P. Sreehari Rao, World Scientific, Journal of Circuits, Systems and Computers, vol., pp., 2021
    Testing Setup and Delay Compensation in HILS of Aerospace Systems, By L.A.V. Sanhitha Rao, P. Sreehari Rao, I.M. Chhabra, L.S. Kumar, Taylor & Francis, IETE Journal of Research , vol., pp., 2021
    Highly reliable XOR Feed Arbiter Physical Unclonable Function (XFAPUF), By P. Raveendra, P. Sreehari Rao, P. Muralidhar, Elsevier, Microprocessors and Microsystems, vol., pp., 2021
    Power-efficient Voltage up-level shifter with low power-delay product, By Baba Fayaz, P. Sreehari Rao, Wiley Publications, International Journal of Circuit Theory and Applications, vol., pp., 2021
    A self–start–up sub-threshold DC/DC Boost Converter using Bootstrap Driver for Self-Powered Sensor Nodes, By K. Krishna Reddy, P. Sreehari Rao, Radio Engineering, Radio Engineering, vol., pp., 2021
    Modeling and Compensation of delay in HILS of Aerospace systems, By L.A.V. Sanhitha Rao, P. Sreehari Rao , Taylor & Francis, IETE Technical review, vol., pp., 2020
    A Low Power miniature Temperature Sensor with one-point Calibrated Accuracy of ±0.25 0oC from -55oC to 125 oC in 65 nm CMOS process, By M. Bashir, P. Sreehari Rao, Springer, Analog Integrated Circuits and Signal Processing, vol., pp., 2019
    A hybrid of WOA and m GWO algorithms for global optimization and analog circuit design automation , By M.M. Majeed, P. Sreehari Rao, Emerald, The International Journal for Computation and mathematics in electrical and electronic engineering, vol., pp., 2019
    An enhanced grey wolf optimization algorithm with improved exploration ability for analog circuit design automation, By M.M. Majeed, P. Sreehari Rao, Turkiye Klinikleri Journal of Medical Sciences, Turkish Journal of Electrical Engineering & Computer Science, vol., pp., 2018
    A 159 µW, Fourth Order Feedforward Multi-bit Sigma-Delta Modulator for 100 kHz Bandwidth Image Sensor in 65 nm CMOS Process, By M. Bashir, P. Sreehari Rao, K.S.R Krishna Prasad, Czech Technical University, Radio Engineering, vol., pp., 2018
    Improved Transient Response Capacitor Less low Dropout Regulator Employing Adaptive Bias and Bulk Modulation, By A. Suresh, P.Sreehari Rao, Turkiye Klinikleri Journal of Medical Sciences, Turkish Journal of Electrical Engineering & Computer Science, vol., pp., 2018
    Low-power voltage to a frequency-based smart temperature sensor for -55oC to 125 oC, By M. Bashir, P. Sreehari Rao, K.S.R Krishna Prasad, Turkiye Klinikleri Journal of Medical Sciences, Turkish Journal of Electrical Engineering & Computer Science, vol., pp., 2017
    An Ultra-Low-Power 0.003 mm2 area, Voltage to frequency-based Smart Temperature sensor for -55 oC to 125oC with one-Point Calibration , By M. Bashir, P. Sreehari Rao, K.S.R Krishna Prasad, Turkiye Klinikleri Journal of Medical Sciences, Turkish Journal of Electrical Engineering & Computer Science, vol., pp., 2017
    Conference(s)
    A sub-µW fully integrated compact CMOS temperature sensor for passive RFID applications By Ch. Jayaram and P. Sreehari Rao, VLSID -2024, 2024
    A 0.5 V energy efficient all CMOS temperature sensor for IoT applications By Ch. Jayaram and P. Sreehari Rao, 9th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2023
    A High Gain Narrow Band CMOS LNA suitable for L1 and L5 band of frequencies By M. Fathima, G. Arun Kumar and P. Sreehari Rao, 9th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2023
    The chaotic-based challenge feed mechanism for Arbiter Physical Unclonable Functions (APUFs) with enhanced reliability in IoT security By P. Raveendra, P. Sreehari Rao and P. Muralidhar, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Efficient successive cancellation decoder architecture for multi-kernel polar codes By J. Nandini, P. Muralidhar and P. Sreehari Rao, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    A 10-MHz CMOS-based Ring Oscillator with Low Power consumption for On-chip IC Applications By Ch. Jayaram and P. Sreehari Rao, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Adaptively Biased Low dropout regulator with High Power Supply Rejection for High-speed serial Links By Suresh Nagula, P. Sreehari Rao and E. Goel, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    A Process-Voltage-Temperature insensitive hybrid voltage controlled ring oscillator for Biomedical IoT node By M. V. Krishna Reddy and P. Sreehari Rao, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Design A Robust Narrow Band Low Noise Amplifier at 1.176 GHz By H. Le Minh Toan, G. Arun Kumar, P. Sreehari Rao and L. Anjaneyulu, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Low Power IoT Soil Moisture Sensor Node for Smart Irrigation By T. Pranay Kumar, G. Supriya, P. Papnoi, P. Sreehari Rao and S. Katkoori, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Object Detection and Classification in FWMAVs for smart Pollination By G. Singh, S. Abdullah, P. Sreehari Rao and S. Katkoori, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Fair-Energy Efficient Power Allocation for NOMA Downlink System By G. Srilatha, P. Sreehari Rao and S. Anuradha, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Accurate Data Acquisition Circuit for MEMS Accelerometer By S. G. Basha, J. Tibrewal and P. Sreehari Rao, 8th International Symposium on Smart Electronic Systems (iSES), Ahmedabad., 2022
    Adaptively Biased Low dropout regulator with Low input referred noise amplifier for High speed serial Links By Suresh Nagula, P. Sreehari Rao and E. Goel, 18th Indian Council International Conference (INDICON), 2021
    ReOPUF: Relaxation Oscillator Physical Unclonable Function for Reliable Key Generation in IoT Security By P. Raveendra, P. Sreehari Rao, S. Katkoori and P. Muralidhar, 4th IFIP (virtual) International Internet of Things Conference , 2021
    Aeroload Simulation of aerospace Vehicle using Fin Load Simulator By M. V. K. S. Prasad, P. Sreehari Rao and J. Nayak, Advances in Communications, Signal Processing, and VLSI, 2021
    Evaluation of Real-Time Embedded Systems in HILS and Delay Issues By L. A. V. Sanhith Rao, P. Sreehari Rao, I. M. Chhabra and L. S. Kumar, Advances in Communications, Signal Processing, and VLSI, 2021
    A DT-MOS switched-capacitor based step-up DC/DC converter for energy harvesting applicationsA DT-MOS switched-capacitor based step-up DC/DC converter for energy harvesting applications By K. Krishna Reddy and P. Sreehari Rao, IEEE International Symposium on Sustainable Energy, Signal Processing and Cyber Security (iSSSC), 2020
    A low power, Frequency-to-Digital Converter CMOS based Temperature Sensor in 65 nm Process By M. Bashir, P. Sreehari Rao and KSR Krishna prasad, VLSI Design and Test (VDAT), Communication in Computer and Information Science, 2017
    Patent(s)
    A flipped voltage follower based Low Drop-out regulator devices (2021106673)
    A solar powered cooling chamber for storing farm produce (2021105620)
    IoT based system and method for malnutrition tracking (2021106366)
    PROJECT / CONSULTANCY
    High Precision Interfacing Circuits for Capacitive based Sensors (HPICCS) for Defence Applications
    Role: Principal Investigator
    Type: Research
    Sponsor: SMDPC2S, MeiTY
    Project Cost (INR): 9600000
    Date of Commencement: 18-05-2023  
    Duration: 60 Months
    Status: Ongoing
    Design and Development of an Analog Front End at 210-255 GHz for 6G Applications
    Role: Co-Principal Investigator
    Type: Research
    Sponsor: Department of Telecommunications - TTDF Scheme - 6G
    Project Cost (INR): 19912220
    Date of Commencement: 01-05-2025  
    Duration: 36 Months
    Status: Ongoing
    India-Taiwan Collaborative Workforce Development Program in Semiconductor Manufacturing
    Role: Co-Principal Investigator
    Type: SPARC Project
    Sponsor: MOE
    Project Cost (INR): 80100000
    Date of Commencement: 01-04-2024  
    Duration: 25 Months
    Status: Ongoing
    Design of RFIC for wideband microwave receiver analog front end
    Role: Co-Principal Investigator
    Type: Research
    Sponsor: URSC, ISRO Bengaluru
    Project Cost (INR): 2800000
    Date of Commencement: 19-03-2024  
    Duration: 25 Months
    Status: Ongoing
    India-US Collaborative Workforce Development Program in Semiconductor Manufacturing
    Role: Co-Principal Investigator
    Type: SPARC Project
    Sponsor: MOE
    Project Cost (INR): 70600000
    Date of Commencement: 01-02-2024  
    Duration: 25 Months
    Status: Ongoing
    Design of miniature high-performance GNSS ultra-low noise amplifier with NavIC signals
    Role: Co-Principal Investigator
    Type: Research
    Sponsor: IISU, ISRO
    Project Cost (INR): 2875000
    Date of Commencement: 15-06-2022   Date of Completion: 31-03-2024
    Duration: 21 Months
    Status: Completed
    Advanced CMOS clock recovery circuits for mobile applications
    Role: Principal Investigator
    Type: SPARC Project
    Sponsor: MOE
    Project Cost (INR): 4500000
    Date of Commencement: 15-10-2019   Date of Completion: 30-09-2023
    Duration: 47 Months
    Status: Completed
    Power management segment and the smart temperature sensor for the smart probe for ADA in collaboration with IISc Bangalore
    Role: Principal Investigator
    Type: Research
    Sponsor: SMDP Chip 2 Systems, MeiTY
    Project Cost (INR): 5288000
    Date of Commencement: 15-05-2016   Date of Completion: 14-05-2021
    Duration: 60 Months
    Status: Completed
    Optimizing Chaotic code set for DLC receiver with verification on FPGA
    Role: Principal Investigator
    Type: Research
    Sponsor: RCI, DRDO, Hyderabad
    Project Cost (INR): 1000000
    Date of Commencement: 30-12-2016   Date of Completion: 30-12-2018
    Duration: 24 Months
    Status: Completed
    Design of CMOS readout circuit MEMS capacitor accelerometers
    Role: Principal Investigator
    Type: Research
    Sponsor: RCI, DRDO, Hyderabad
    Project Cost (INR): 1000000
    Date of Commencement: 15-12-2016   Date of Completion: 15-12-2018
    Duration: 24 Months
    Status: Completed
    Implementation of DLC receiver using improved performance DS-CDMA
    Role: Principal Investigator
    Type: Research
    Sponsor: RCI, DRDO, Hyderabad
    Project Cost (INR): 1000000
    Date of Commencement: 06-01-2015   Date of Completion: 06-01-2017
    Duration: 24 Months
    Status: Completed
    Design of on-chip LDO voltage regulator
    Role: Principal Investigator
    Type: Research
    Sponsor: ANURAG, DRDO, Hyderabad
    Project Cost (INR): 1000000
    Date of Commencement: 09-12-2014   Date of Completion: 09-12-2016
    Duration: 24 Months
    Status: Completed
    Design of 14-bit ADC with high analog voltage input
    Role: Principal Investigator
    Type: Research
    Sponsor: RCI, DRDO, Hyderabad
    Project Cost (INR): 1000000
    Date of Commencement: 15-07-2014   Date of Completion: 15-07-2016
    Duration: 24 Months
    Status: Completed
    RESEARCH FELLOWS / PhD STUDENTS
    Current PhD Students
    Chilaka Jayaram
    Area of Research: Energy efficient CMOS temperature sensors for portable applications
    CH Phani Maduri
    Area of Research: IC design automation for automotives
    E Koti Hanuman Reddy
    Area of Research: SRAMs
    G Srilatha
    Area of Research: Wireless Communications
    Jali Nandini
    Area of Research: Hardware architectures for error correction codes
    Kaire Anupama
    Area of Research: Power Management ICs for Sensor Ciruicts
    Machavarapu Deepthi
    Area of Research: Analog and Mixed Signal Design
    Maddi Fathima
    Area of Research: Low power analog and RFIC
    MV Krishna Reddy
    Area of Research: Intelligent on-chip Integrated circuits
    Nida Yasmeen
    Area of Research: Analog and Mixed Signal Design
    Oddepalli Rakesh
    Area of Research: Analog and Mixed Signal Design
    Rapolu Saidulu
    Area of Research: Analog and Mixed signal Design
    Suresh Nagula
    Area of Research: Programmable LDO
    Previous PhD Students
    Podeti Raveendra (2024)
    Area of Research: Design of PUFs for robust hardware assisted security
    LAV Sanhith Rao (2022)
    Area of Research: Delay compensation mechanism in HILS for aerospace systems
    KVBV Rayudu (2021)
    Area of Research: Efficient testing and fault diagnosis algorithms for VLSI.
    Komatla Krishna Reddy (2021)
    Area of Research: Circuit strategies for Energy harvesting circuits
    Mushahhid Majeed (2019)
    Area of Research: Automated design of CMOS analog ICs using metaheuristic alg.
    D Pavan Kumar Sharma (2019)
    Area of Research: High-speed serial I/O circuit strategies for backplane.
    Alapati Suresh (2017)
    Area of Research: Power management circuit strategies for mobile applications
    Mudasir Bashir (2017)
    Area of Research: CMOS based On-chip smart temperature sensor circuits
    CONFERENCE / WORKSHOP / SYMPOSIUM / SHORT TERM COURSE
    ADDITIONAL RESPONSIBILITIES
    •  PhD Coordinator, Department of Electronics and Communication Engineering (March, 2024 - June, 2025)
    •  Chairman, EICT Academy (Continuing from September, 2023)
    •  Chairman, Write off committee (Continuing from July, 2023)
    •  Head, Department of Electronics and Communication Engineering (December, 2021 - July, 2023)
    •  Member Executive Council Siemens Center of Excellence (Continuing from January, 2021)
    •  Faculty In-charge, Center for Innovation and Incubation (December, 2019 - December, 2021)
    •  Vice Chairman Admissions NITW (December, 2018 - December, 2020)
    •  Faculty advisor for E&AHAM club (December, 2015 - December, 2018)
    •  Faculty in-charge, Stores, ECE Department (December, 2014 - December, 2022)
    •  Mess and block Warden (December, 2011 - December, 2014)
    •  Faculty advisor, ECEA (December, 2011 - December, 2014)
    •  Faculty advisor M.Tech VLSI (December, 2010 - December, 2016)
     Last updated on June 25, 2025