In this paper, three Data-Aided (DA) open-loop frequency offset estimation algorithms-Kay, Fitz, and Luise and Reggiannini(L &R) algorithms - are analyzed.

• 分析了基于最大似然准则的3种典型数据辅助(DA)开环频偏估计算法:Kay算法、Fitz算法和L &R算法。