A Beam Steering Vector Tracking GNSS Software-Defined Receiver for Robust Positioning. [PDF]
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The Influence Analysis of GPS Broadcast Ephemeris Fitting and Fitting Epoch Number
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Broadcast Ephemeris Accuracy Analysis for GPS Based on Precise Ephemeris
Applied Mechanics and Materials, 2014The accuracy of broadcast ephemeris is an important index of a satellite navigation system. The theory and method of precise ephemeris assessing broadcast ephemeris are introduced. The accuracy of GPS satellite broadcast ephemeris is assessed with the precise ones provided by IGS.
Xiao Yu Li, Li Xiao Yu
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Computing satellite velocity using the broadcast ephemeris
GPS Solutions, 2004GPS has been used for applications where satellite velocities are needed as well as satellite positions. Traditionally, the position was determined from noisy code pseudoranges while the velocity came from delta carrier phase measurements. This motivates the need to have a velocity model to accompany the velocity data.
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Design and validation of broadcast ephemeris for low Earth orbit satellites
GPS Solutions, 2018Low Earth orbit (LEO) constellations have potentialities to augment global navigation satellite systems for better service performance. The prerequisite is to provide the broadcast ephemerides that meet the accuracy requirement for navigation and positioning.
Tao Geng, Xin Xie, Qile Zhao
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