摘要
基于波形检测的定时误差估计算法适用于PSK/QAM调制方式。该算法非判决指向且计算复杂度较低,并在载波相位变化不大的情况下,性能与载波状态无关。因此定时同步可以独立于载波同步状态,有利于采用载波开环的方法实现时钟同步。
The timing-error estimation based on waveform detection can be used in PSK/QAM. The algorithm doesn＇t need decision point and has lower complexity. Under the condition of carrier phase changing slowly, its performance is independent with carrier state, so symbol timing-recovery doesn＇t care the state of carrier synchronization, and can be realized before carrier synchronization.
出处
《无线电工程》
2006年第4期27-28,41,共3页
Radio Engineering
关键词
定时同步
波形检测法
载波同步
symbol timing-recovery
waveform detection
carrier synchronization
