Impact analysis of residual code phase and carrier frequency error on GPS signal tracking and its improvement

Yunlong Zhu; Dongkai Yang; Qishan Zhang

doi:10.1117/12.657426

4 January 2006 Impact analysis of residual code phase and carrier frequency error on GPS signal tracking and its improvement

Yunlong Zhu, Dongkai Yang, Qishan Zhang

Author Affiliations +

Proceedings Volume 5985, International Conference on Space Information Technology; 598527 (2006) https://doi.org/10.1117/12.657426
Event: International Conference on Space information Technology, 2005, Wuhan, China

Abstract

In this paper, the com bining impact of residual code phase and carrier frequency error on correlation is discussed in detail. And the correlation expression is given according to the code phase and carrier frequency estimate error. A code phase discrimination method and a carrier frequency discrimination method are proposed based on the discussion mentioned above. The analysis and simulation indicate that the proposed methods can restrain the impact of carrier frequency error on code discrimination within a small range, and the impact on frequency discrimination from residual code phase error is also limited to be lower. Tracking precision is improved obviously.

Citation Download Citation

Yunlong Zhu, Dongkai Yang, and Qishan Zhang "Impact analysis of residual code phase and carrier frequency error on GPS signal tracking and its improvement", Proc. SPIE 5985, International Conference on Space Information Technology, 598527 (4 January 2006); https://doi.org/10.1117/12.657426

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