Code Phase Estimate and Discrimination Method for BOC Modulated Signal Based on Partial Correlation Function Interpolation

LI Wengang; WANG Yiwei

doi:10.11999/JEIT170506

Volume 40 Issue 3

Mar. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(3): 557-564

LI Wengang, WANG Yiwei. Code Phase Estimate and Discrimination Method for BOC Modulated Signal Based on Partial Correlation Function Interpolation[J]. Journal of Electronics & Information Technology, 2018, 40(3): 557-564. doi: 10.11999/JEIT170506

Citation:

LI Wengang, WANG Yiwei. Code Phase Estimate and Discrimination Method for BOC Modulated Signal Based on Partial Correlation Function Interpolation[J]. Journal of Electronics & Information Technology, 2018, 40(3): 557-564. doi: 10.11999/JEIT170506

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Code Phase Estimate and Discrimination Method for BOC Modulated Signal Based on Partial Correlation Function Interpolation

doi: 10.11999/JEIT170506 cstr: 32379.14.JEIT170506

LI Wengang¹,
WANG Yiwei¹

Funds:

The National Natural Science Foundation of China (61201136), The Plan of Introducing Talents for Discipline Innovation in Universities (B08038)

Received Date: 2017-05-26
Rev Recd Date: 2017-10-05
Publish Date: 2018-03-19

Abstract

Abstract

In order to further improve the BOC (1,1) and its derived types modulated signals code discrimination quality and tracking ability of the satellite navigation receiver, especially in high dynamic. This paper proposes a method to determine the BOC (1,1) modulated signal code phase by partial correlation function interpolation. This method is based on the structure of correlators array, the approximate range of the correlation peak is determined by the correlators output. The generalized extended approximation method is used to estimate the code phase, and a virtual correlator is created in order to process the generalized extended approximation when the extended range does not exist. In this paper, the influence of the one side correlators number N on the linear pull-in region is analyzed in detail. On this basis, the computer simulation experiment for the proposed method is given. Theoretical and simulation results show: the proposed method can be used to enlarge the linear pull-in region of phase discrimination function without adding too much hardware resources, furthermore, it can improve the BOC modulated signals tracking accuracy for the receiver.
- Satellite navigation,
- Code phase discrimination,
- Tracking,
- Binary Offset Carrier (BOC) modulated signal,
- Generalized extened approximation

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References(25)

References

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