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Title: Design and implementation of GPS software receiver based on software-defined radio
Authors: Miao, J
Chen, W 
Liu, J
Sun, Y
Hu, C
Keywords: Carrier tracking loop
Global positioning system
Signal processing
Software receiver
Issue Date: 2008
Publisher: 南京航空航天大學學報編輯部
Source: 南京航空航天大學學報 (Journal of Nanjing University of Aeronautics & Astronautics), 2008, v. 40, no. 6, p. 774-779 How to cite?
Journal: 南京航空航天大學學報 (Journal of Nanjing University of Aeronautics & Astronautics) 
Abstract: The key processing algorithms for GPS software receiver are introduced and the signal acquisition, the tracking loop and the pseudo-range position are described. Since the signal correlation algorithm cannot meet computational requirements of the fine frequency resolution, a new algorithms is presented by using the phase relationship. For the tracking loop, an optimized bandwidth algorithm is designed, and it makes the receiver have a better dynamic performance with less noise infection. In the Matlab environment, after optimizing the algorithm frame, the GPS software receiver program is designed and implemented. Finally, real data testing results demonstrate that the GPS software receiver can acquire and track satellites up to 12 channels. The single-point position and velocity accuracies reach a reasonable level when using 1 ms coherent integration time.
ISSN: 1005-2615
Appears in Collections:Journal/Magazine Article

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