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Research on Multi-peaks Non-fuzzy Tracking Algorithm of BOC Signal Based on Improved Bump-jumping Method

Published: 23 September 2021 Publication History

Abstract

The GPS-III navigation signal adopts the BOC modulation mode. The signal modulated by BOC will have multiple subpeaks when it is captured and tracked, so there is a large error caused by the subpeak wrong locked in the time delay difference measurement. In this paper, the bump-jumping algorithm is proposed, which can quickly identify the subpeak and ensure that the PLL is ready to lock the main peak. After locking the main peak, the algorithm is not easy to be disturbed and lead to loss of lock. Finally, the high-precision tracking of non-fuzzy BOC signal can be realized by using bump-jumping tracking algorithm.

References

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Shen Feng,Xu Guanghui,Li Qiao.Non-Coherent Unambiguous Tracking Method for Cosine-BOC Signals Based on an S-Curve Shaping Technique[J].IEEE signal processing letters,2015,22(6).
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CHEN Shuhao, MAO Xuchu.Research and Implementation of Beidou-3 Satellite Multi-Band Signal Acquisition and Tracking Method [J]. Journal of Shanghai Jiaotong University.2019, (5).571-578.
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Elliott D. Kaplan, Christopher J. Hegarty (eds.), Kou Yanhong (translation): GPS principle and application (Second Edition) [M]; Beijing; electronic industry press; 2008, pp. 111-179.
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  • (2024)Subcarrier modulated navigation signal processing in GNSS: a reviewSatellite Navigation10.1186/s43020-024-00142-95:1Online publication date: 16-Jul-2024

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ICDSP '21: Proceedings of the 2021 5th International Conference on Digital Signal Processing
February 2021
336 pages
ISBN:9781450389365
DOI:10.1145/3458380
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 23 September 2021

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Author Tags

  1. BOC modulation technology
  2. bump-jumping
  3. spectrum splitting
  4. subpeak blur

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  • (2024)Subcarrier modulated navigation signal processing in GNSS: a reviewSatellite Navigation10.1186/s43020-024-00142-95:1Online publication date: 16-Jul-2024

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