摘要:CMMB(中国移动多媒体广播)是中国移动多媒体广播的行业标准。文中提出了一种适合于CMMB接收端解调部分的小数倍子载波频偏跟踪估计算法,该算法在CMMB接收端解调系统中首先进行频偏捕获纠正,捕获阶段结束即进入载波跟踪阶段,并在此阶段的频域利用导频来完成小数倍子载波的频偏估计。
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