Apr 2017-Apr 2024; Osmania University, India
➤ Carried out detailed GNSS data analysis and multi-GNSS positioning, including analyzing RINEX data to estimate user and satellite positions with MATLAB®.
➤ Conducted a preliminary positioning performance analysis of Galileo and NavIC at a low-latitude station to evaluate satellite navigation accuracy in challenging geolocations.
➤ Executed a comparative analysis of satellite and receiver positions for Galileo and GPS using precise and broadcast orbits along with their clock products.
➤ Performed an evaluation of the NavIC integration with GPS and Galileo on accuracy and availability to determine the benefits of multi-constellation GNSS for diverse environments.
➤ Analyzed single- and dual-frequency Android raw measurements in the context of GNSS and NavIC to understand positioning performance using low-cost Android devices.
➤ Conducted in-depth research on NavIC using dual-frequency receivers, collaborating with the Indian Space Research Organization (ISRO), National Remote Sensing Centre (NRSC), Vikram Sarabhai Space Centre (VSSC), and National Atmospheric Research Laboratory (NARL) to enhance system performance.
➤ Hands-on experience with multi-GNSS receivers for firmware upgradation, weak roll-over problems, adding PRNs, and collaboration with technical teams (NovAtel, Accord, Data patterns, etc.).
➤ Evaluated the positioning accuracy of Android smartphones using Weighted Least Squares (WLS) and Kalman Filter (KF) algorithms in both indoor and outdoor environments, utilizing MATLAB® and Python for analysis.
Leadership in Research Groups and Projects
Role: Lab In-Charge, Advanced GNSS Research Laboratory (2017–2024)
Managed and optimized GNSS data logging infrastructure for long-term research applications.
Procured and calibrated advanced GNSS equipment, including NovAtel GPStation-6 and NAVLAN-IG3.
Coordinated TEC calibration activities, ensuring high data accuracy and reliability.
Proposal Development and Collaborative Research
Actively contributed to research proposals submitted to funding agencies such as ISRO-RESPOND, DST-SERB, and NRSC.
Fostered collaborative projects with esteemed organizations, including ISRO, NARL, VSSC, and Survey of India, to evaluate multi-GNSS and NavIC performance.
Workshops and Technical Seminars
Organized workshops and seminars to enhance industry-academia collaboration on GNSS technologies.
Facilitated participation from ISRO, NGRI, and academic institutions, promoting advancements in GNSS research and applications.
"Co-Supervised multiple Bachelor’s and Master’s students on GNSS-related projects and theses."
B.E. Thesis Supervision
2017-2018
"Comparative Analysis of Performance of IRNSS & GPS Systems under Indoor and Outdoor Conditions": Co-supervised P. Sai Bhardwaj, Manideepika, and P. Maheshwara Sairam (ECE, Osmania University) at the Advanced GNSS Research Laboratory.
2018-2019
"Comparative Analysis of Performance of IRNSS & GPS Systems under Indoor and Outdoor Conditions": Co-supervised P. Sai Bhardwaj, Manideepika, and P. Maheshwara Sairam (ECE, Osmania University) at the Advanced GNSS Research Laboratory.
2019-2020
"Analysis of Ionospheric TEC Variations Using Galileo Navigation Signals for the Indian Region": Co-supervised Md. Adnam Sohail, G. Sudeeksha, and G. Yashwanth (ECE, Osmania University) at the Advanced GNSS Research Laboratory.
2020-2021
"Analysis of GPS and GLONASS in the Context of Satellite and User Parameters Over Hyderabad Region": Co-supervised Panasa Ravikiran, Satyanarayana, and Sai Vinay (ECE, Osmania University) at the Advanced GNSS Research Laboratory.
M.E. Thesis Supervision
2017-2018
"Analysis of User Position Accuracy Using GNSS/IRNSS Data": Co-supervised C. Sandhya (SSP, Osmania University) at the Advanced GNSS Research Laboratory.
"Experimental Reception of New GNSS/IRNSS Signals": Co-supervised D. Vyshali (Embedded System & VLSI Design, Osmania University) at the Advanced GNSS Research Laboratory.
2019-2020
"Analysis of Various Parameters of the European Galileo Navigation System Under Low Latitude Regions": Co-supervised B. Venu (SSP, Osmania University) at the Advanced GNSS Research Laboratory.
2021-2022
"Preliminary Performance Evaluation of Japanese Quasi Zenith Satellite System (QZSS) Over Indian Region": Co-supervised Pasham Soujanya (ECE, Osmania University) at the Advanced GNSS Research Laboratory.
"Characterization of GNSS/NavIC Observations Using Android Raw Measurements and NavLAN-IG3 Receiver in a Multi-Constellation Environment": Co-supervised B. Ravinder Sahana (ECE, Osmania University) at the Advanced GNSS Research Laboratory.
2022-2023
"The Characteristics and Performance Evaluation of Combined GLONASS and NavIC for Low Latitude Region": Co-supervised A. Vijay (ME-ECE-MRE, Osmania University) at the Advanced GNSS Research Laboratory.
"Assessment of the Performance of GLONASS with QZSS Over Hyderabad Station": Co-supervised MD. Rafi (ME-ECE-MRE, Osmania University) at the Advanced GNSS Research Laboratory.
2023-2024
"Comparative Analysis of Geodetic Receiver and Android Smartphone Signal Strength in the Context of GPS, Galileo, and QZSS Constellations": Co-supervised Poojari Krushika (JNTU, Hyderabad) at the Advanced GNSS Research Laboratory.
"A Comprehensive Analysis of Multi-GNSS Smartphone Signals": Co-supervised S. Solomon Raj (JNTU, Hyderabad) at the Advanced GNSS Research Laboratory.
Jan 2024 – Sep 2024; Indian Institute of Technology (IIT) Hyderabad
Project Title: ADAS for point navigation system of Autonomous car adaptable to Indian Scenarios.
➤ Led the development of Advanced Driver Assistance Systems (ADAS) for point-to-point navigation, focusing on challenges unique to autonomous driving in Indian environments.
➤ Executed the installation and integration of GNSS receivers, stereo vision cameras, and radar sensors on test vehicles to enhance system functionality and data acquisition.
➤ Designed and implemented advanced navigation algorithms by integrating GNSS data with Robot Operating System (ROS), optimizing system performance for autonomous driving tasks.
➤ Utilized GNSS Precise Point Positioning (PPP) and Basler camera systems in conjunction with ROS to perform comprehensive driver speed analysis.
➤ Conducted fusion of GNSS and Inertial Measurement Unit (IMU) data using Kalman Filters (KF) and Extended Kalman Filters (EKF) to achieve high-accuracy navigation without relying on Real-Time Kinematic (RTK) corrections.
➤ Performed radar-camera calibration procedures to ensure precise sensor alignment and accurate data integration for improved system performance.
➤ Compiled and prepared final documentation, presentations, posters, and demonstrations to deliver comprehensive project deliverables to the Suzuki Motor Corporation team.
➤ Experience with ML frameworks (PyTorch, YOLO, OpenCV, etc.)