Configurable Modernized Navigation Signal Generation Method and Performance Analysis

Xin Zhang; Feng Tian; Cai Hua Li; Guang Fu Sun; Gang Ou

doi:10.4028/www.scientific.net/AMM.333-335.711

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 333-335Configurable Modernized Navigation Signal...

Configurable Modernized Navigation Signal Generation Method and Performance Analysis

Abstract:

In order to provide higher accuracy performance in navigation and positioning requirements, modernized navigation signals with more complex structure, such as MBOC or AltBOC signal, have been actively researched and used in the modernized GPS system, like emerging Galileo and BD-2 system. For the navigation signal simulator which generates those modernized signals, traditional bipolar BPSK or QPSK signal generation method cannot permit to generate those multi-level signals successfully and different modernized signals flexibly. After analyzing the current public modernized signal structure, a novel configurable signal generation method for generating the modernized navigation signal has been proposed. The amplitude quantization word-length and phase truncation error of the LUT (look-up table) used by the method have been analyzed. Experimental simulation results demonstrate the correctness and efficiency of this new method.

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Periodical:

Applied Mechanics and Materials (Volumes 333-335)

Pages:

711-717

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.333-335.711

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Online since:

July 2013

Authors:

Xin Zhang*, Feng Tian, Cai Hua Li, Guang Fu Sun, Gang Ou

Keywords:

Amplitude Quantization Word-Length, Baseband Signal Generation, Look-up Table, Modernized Navigation Signal, Phase Truncation Error

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* - Corresponding Author

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