A high stable BPSK carrier phase recovery algorithm

被引：0
|
作者：
Liu, An-Bang [1 ,2 ]
An, Jian-Ping [1 ]
Wang, Ai-Hua [1 ,2 ]
机构：
[1] School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
[2] Science and Technology on Information Transimission and Dissemination in Communication Networks Lab., The 54th Research Institute of CETC, Shijiazhuang, Hebei 050181, China
来源：
Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology | 2011年 / 31卷 / 07期
关键词：
Binary phase shift keying - Gain control;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Acute change of BPSK signal amplitude seriously affects the PLL's bandwidth and stability. A high stable synchronization algorithm for BPSK carrier phase is presented in this article that unifies the techniques of digital automatic gain controller (DAGC) and DPLL. The non-coherent DAGC, which adopts an exponential gain controlled amplifier, adjusts the modulated signal amplitude to the settled value, and then the amplitude-stable signal input to the third order DPLL to recovery accurate carrier phase. Simulation results confirm that the presented algorithm could prevent the instability of third order DPLL from the change of signal amplitude. It also satisfies the requirements of BPSK demodulation performance when the signal is within the intended SNR range.
引用
收藏
页码：828 / 832
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