about Carrier frequency offset(CFO)

As each user in OFDMA based IEEE 802.16e network has different carrier frequencies, synchronization of carrier frequency offset (CFO) is a very complex task. The hardware implementation of the existing schemes is very expensive. Estimation and compen

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 devi