Enhancing position accuracy of GPS and IRNSS mode based on mathematical formulations of atmospheric delays against elevation angle

B Dhanraj, J Pavanija, G Jyothi… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
In this work, mathematical formulations are established for calculation of atmospheric delays
against elevation angle of satellites after the statistical study of data of different days …

Velocity Estimation Method Considering Doppler Effect and PSO Based Algorithm for Satellites Constellation IRNSS and GPS

G Jyothi, B Dhanraj, J Pavanija… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
In this work, a method for velocity estimation of the user is done using a GPS-
IRNSS/NavIC/SBAS (IGS) receiver. With the help of the receiver in a moving vehicle …