Then the phase trajectory is estimated based on MMSE criterion, and the frequency offset and initial phase can be achieved.

在此基础上，基于MMSE准则计算载波相位的轨迹，得到频差和初始相位。

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In order to extend it to frequency-selective channels, a detection scheme for V-BLAST over frequency- selective channels, which is based on space-time MMSE criterion, is proposed.

提出了基于空时MMSE准则的频率选择性信道下V-BLAST检测方案，并给出了最佳均衡条件和两种自适应空时均衡算法。

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