Conflicts analysis and validation of inertial sensors aided GPS carrier tracking loop

Publisher:
American Scientific Publishers
Publication Type:
Journal Article
Citation:
Sensor Letters, 2013, 11 (5), pp. 805 - 811
Issue Date:
2013-01
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Considering that the GPS carrier tracking loop is fragile in high dynamic and weak signal environments, carrier tracking loop with information aided from inertial sensors is designed in this paper. The conflicts between loop noise and dynamic stress are analyzed, which are existed in the bandwidth design of carrier tracking loop. To address this problem, the information of inertial sensors is brought to the carrier loop design, which takes advantage of the relation between relative motion and Doppler frequency shift. Simulation results indicate the inertial sensors aided tracking loop could improve the performance of anti-interference and anti-dynamic significantly.
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