摘要
传统的早迟积分型码元同步方法,基于锁相环原理,通过比较早迟积分值获取检相误差,进而调整采样时钟,其环路设计比较复杂。本文提出了一种基于滑动积分的码元同步方法,该方法针对码元采样值在一个码元周期内获取连续的滑动积分值序列,通过比较早迟积分值调整最佳积分值位置,进而获取最佳积分值。该方法不需要设计复杂的时钟调整电路,设计简单,易于数字化实现。
The traditional early-late integral code synchronization method based on phase-locked loop principle compares early-late integrated value for detection phase error, and adjusts the sampling clock. This paper presents a code synchronization method based on moving integration. This method takes a continuous moving integration value of the sequence for the code sampling value. By comparing early-late integration value adjusts the position of the best integration value. Then, gets the best integration value. This method does not require the design of complex clock adjustment circuit. It is simple to be designed, and easy to be implemented.
出处
《电子设计工程》
2016年第7期17-19,22,共4页
Electronic Design Engineering
关键词
早迟积分
码元同步
滑动积分
锁相环
early-late integral
code synchronization
moving integration
phase-locked loop
