A system may include a global positioning system (GPS) receiver and inertial measurement units configured to generate signals representative of relative motion of the GPS receiver. The system may also include a navigation processor configured to receive a first position determination from the GPS receiver, and determine relative motion of the GPS receiver with respect to the first position determination based at least in part on signals received from the inertial measurement units. The navigation processor may also receive second respective distances between the GPS receiver and respective satellites based on signals received from the respective satellites, and determine second projected distances between the GPS receiver and the respective satellites based on the relative motion determination. The navigation processor may also select satellites from among the respective satellites for determining a second position of the GPS receiver based on a comparison of second respective distances and the second projected distances.


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    Title :

    Selection of satellites for global positioning system


    Contributors:

    Publication date :

    2021-06-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B64C AEROPLANES , Flugzeuge / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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    HOEFENER, CARL / STONE, JAMES | AIAA | 1981


    Attitude determination using two satellites of Global Positioning System

    Jie, Wu / Wei, Zheng / Zhou, Jianhua | AIAA | 1998