CAJ | 학술논문

本文提出了一种协作多天线系统中的盲定时同步算法,算法利用接收信号的循环平稳特性,根据天线间时延导致的接收信号循环自相关函数谱峰的偏移量得到天线间的时延差值.采用一种基于滑动窗的检测算法,得到各天线时延值.仿真结果证明,该算法在无需额外同步数据的情况下,能有效的解决分布式定时的问题.
본문제출료일충협작다천선계통중적맹정시동보산법,산법이용접수신호적순배평은특성,근거천선간시연도치적접수신호순배자상관함수보봉적편이량득도천선간적시연차치.채용일충기우활동창적검측산법,득도각천선시연치.방진결과증명,해산법재무수액외동보수거적정황하,능유효적해결분포식정시적문제.
A blind timing synchronization method using the cyclostationary feature of received signal of multiple bases cooperation transmission system is proposed. owing to the shift of the received signal cyclic autocorrelation peak,we derived the delay difference intra-antennas. A detection method based on sliding-window is designed to get the timing delay of each antenna. The simulation results proved that the method proposed here can solve the problem of distributed multiple antennas timing synchronization with accepta-ble complexity.