Abstract
GNSS receiver usually use the match filter and FFT to get the code phase and carrier frequency. However, it is hard to get the code phase and carrier frequency under high dynamic condition, and the match filter and FFT will occupy huge hardware resource. The INS (inertial navigation system) can assist the GNSS receiver to get the carrier frequency. It can also improve the calculate efficiency. But the carrier frequency acquisition error can also affect the carrier frequency lock. It may affect the GNSS signal track. To solve this problem, this paper proposed a fast acquisition algorithm in GNSS/INS ultra tightly integrated navigation system based on steady state judgment. This algorithm can effectively lock the carrier frequency under high dynamic condition. And this algorithm can also judge the acquisition condition to control the switch between acquisition and tracking to improve higher carrier frequency tracking accurate.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Sun CC et al (2008) signal acquisition and tracking using a parallel approach. IEEE/ION, pp 1332–1340
Kong SH (2013) A deterministic compressed gnss acquisition technique. IEEE Trans Veh Technol 62(2):511–521
Babu R et al (2008) Analysis of ultra-tight gps/ins integrated system for navigation performance. signal processing. In: International Conference on signal processing communications and networking, pp 234–237
Xie F et al (2014) Adaptive robust ultra-tightly coupled global navigation satellite system/inertial navigation system based on global positioning system/BeiDou vector tracking loops[J]. Radar Sonar & Navig IET 8(7):815–827
Qin F et al (2014) Improvement of global navigation satellite system signal acquisition using different grade inertial measurement units for high dynamic applications. Radar, Sonar & Navig 8(3):233–241
Qin F et al (2014) Improvement of global navigation satellite system signal acquisition using different grade inertial measurement units for high dynamic applications. IET Radar Sonar Navig 8(3):233–241
Huang X et al (2015) 100-MHz low-phase-noise microprocessor temperature-compensated crystal oscillator. IEEE Trans Circuits Syst II Express Briefs 62(7):636–640
Mengali U et al (1997) Synchronization techniques for digital receivers. Pisa University of Pisa, pp 92–95
Hinedi S, Statman JL (1988) High-dynamic GPS tracking final report. Jet Propulsion Laboratory, pp 10–15
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2016 Springer Science+Business Media Singapore
About this paper
Cite this paper
He, W., Lian, B. (2016). Fast Acquisition Algorithm in GNSS/INS Ultra Tightly Integrated Navigation System Based on Steady State Judgment. In: Sun, J., Liu, J., Fan, S., Wang, F. (eds) China Satellite Navigation Conference (CSNC) 2016 Proceedings: Volume II. Lecture Notes in Electrical Engineering, vol 389. Springer, Singapore. https://doi.org/10.1007/978-981-10-0937-2_32
Download citation
DOI: https://doi.org/10.1007/978-981-10-0937-2_32
Published:
Publisher Name: Springer, Singapore
Print ISBN: 978-981-10-0936-5
Online ISBN: 978-981-10-0937-2
eBook Packages: EngineeringEngineering (R0)