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A Joint Rapid Parameter Estimate Method of Frequency-Hopping Signals

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2 Author(s)
Liang Zhongjie ; Dept. of Inf. & Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China ; Lv Ming

In this paper, a new joint rapid method is presented, based on fast Fourier transformation (FFT) and multi-windows iterative smoothed pseudo Wigner-Ville distribution (SPWVD) to estimate parameters of frequency-hopping (FH) signals. Firstly, the approximate range including hop timing is searched by segmented FFT, then the both ends of the data segments by multi-windows iterative SPWVD, combining with statistics about the ends to obtain more accurate estimation of the parameters. This method can be easily implemented with lower computation complexity, and making real-time estimation possible. Simulation results show that the method can more rapidly and accurately estimate parameters of FH signals in the low SNR.

Published in:

Control Engineering and Communication Technology (ICCECT), 2012 International Conference on

Date of Conference:

7-9 Dec. 2012