Research on INS-Aided GNSS Carrier Tracking Loop in High Dynamic Circumstance

Author:

Wang Xin Long1,Li Chuan Jun1,Li Xing Cheng1

Affiliation:

1. Beijing Institute of Technology

Abstract

GNSS receiver will produce a large Doppler shift in high dynamic environment, thus causing lock-lose of the tracking loop. INS-aided GNSS tightly coupled system can improve tracking performance in high dynamic environment by introducing the Doppler information estimated by INS. Through analyzing by the theory of closed loop control system theory and numerical simulation of the INS-aided carrier tracking loop, the results show that INS-aided carrier tracking loop can obviously improve the stability of carrier tracking performance and anti-jamming ability of the satellite navigation receiver in high dynamic circumstance.

Publisher

Trans Tech Publications, Ltd.

Reference9 articles.

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2. Yong Yang, Naser El-Sheimy. Improving GPS receiver tracking performance of PLL by MEMS IMU aiding[C]. / Fort Worth, TX: ION GNSS 2006, 2006 : 2192 – 2201.

3. Parkinson BW, Spilker JJ. Global positioning system : theory and applications[M]. American Institute of Aeronautics and Astronautics Inc, (1996).

4. E.D. Kaplan, C.J. HEGARTY, Understanding GPS: Principles and Applications[M]. London, U.K.: Artech House, (1996).

5. Kunfang Zhou, Xi Wu, Jian Kong, Modular characteristics and key technology of tightly-coupled GPS/INS [J]. Chinese Journal of inertial technology, 2009, 17(1): 42- 45.

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