本论文中，一个混合载波频率偏移估计方案用于基于通用滤波多载波的系统。 此方案所述CFO估计器基于最小平方（LS）准则首先导出以获得粗略频率偏移估计使用大频率搜索步骤。 接着，通过其精确估计残留频率偏移自相关操作补偿。 该算法具有较大估计的特点范围以及更高的估计精度。-In this letter, a robust hybrid carrier frequency offset

(CFO) estimation scheme based on training symbols is devised

for universal-filtered multi-carrier (UFMC) based systems. In this

scheme, the CFO estimator based on a least square (LS) criterion

is firstly derived to acquire a coarse frequency offset estimation

with the use of a large frequency searching step. And then,

the residual frequency offset is accurately estimated through the

auto-correlation operation of received signals which have been

compensated. This algorithm has the features of larger estimation

range as well as higher estimation precision.