Blind Doppler parameters estimation of satellite communication signals

被引：0
|
作者：
Peng, Geng [1 ,2 ]
Huang, Zhi-Tao [2 ]
Jiang, Wen-Li [2 ]
Zhou, Yi-Yu [2 ]
机构：
[1] Inst. of Information Engineering and Technology, Naval Academy of Armament, Beijing 102249, China
[2] School of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2010年 / 32卷 / 04期
关键词：
Phase shift keying - Satellite communication systems - Mathematical transformations - Parameter estimation - Quadrature amplitude modulation - Satellites - Signal analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Firstly, high dynamic Doppler parameters are expressed with Taylor series. Then, the relationship of Doppler frequency shift, the first order derivative and the second order derivative with the phase difference of adjacent data samples is deduced after signal nonlinear transform. Finally, an equation set is constructed and Doppler parameters are blindly estimated by solving the equations without any prior knowledge. Simulation results validate the method's feasibility and availability for commonly used satellite communication signals, such as M-ary phase shift keying (MPSK), M-ary quadrature amplitude modulation (MQAM) and so on.
引用
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页码：674 / 677
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