Research on An Improved PMF-FFT Fast PN Code Acquisition Algorithm - Communications and Network

CN > Vol.5 No.3, September 2013

Communications and Network

Volume 5, Issue 3 (September 2013)

ISSN Print: 1949-2421 ISSN Online: 1947-3826

Google-based Impact Factor: 0.63 Citations

Research on An Improved PMF-FFT Fast PN Code Acquisition Algorithm ()

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Download as PDF (Size: 235KB) PP. 266-270

DOI: 10.4236/cn.2013.53B2049 6,036 Downloads 7,521 Views Citations

Author(s)

Ning-qing Liu, Bin Sun, Chun-meng Guan

Affiliation(s)

Communication Research Center Harbin Institute of Technology Harbin, China.

ABSTRACT

To solve the problem of the large Doppler frequency offset in the LEO communication system, this paper studies a rapid PN code acquisition method based on the PMF-FFT architecture, which searches the phase and frequency offset and at the same time reduces the acquisition time. It presents an improved method equivalent to windowing function and uses windowing process to overcome the attenuation of related peak envelope caused by partial matched filters.

KEYWORDS

Doppler Frequency Offset; Rapid PN Code Acquisition Algorithm; PMF-FFT; Windowing

Share and Cite:

Liu, N. , Sun, B. and Guan, C. (2013) Research on An Improved PMF-FFT Fast PN Code Acquisition Algorithm. Communications and Network, 5, 266-270. doi: 10.4236/cn.2013.53B2049.

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