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- W2314445025 abstract "摘要: 该文提出了一种新的面向判决的OFDM时间和载波频率偏差与信道的联合跟踪算法，并给出了开环和闭环两种结构，不同结构适用于不同的信道环境。该算法提取出信道估计结果所包含的同步信息用于实现同步估计，然后利用当前同步估计结果对信道估计结果进行修正，使之尽量逼近真实信道。采用闭环结构并适当地选择块长和反馈因子的取值，该算法可以有效地对时变信道进行跟踪。 关键词: 正交频分复用 / 同步 / 信道估计 / 联合估计 / 跟踪" @default.
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- W2314445025 date "2011-04-08" @default.
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- W2314445025 title "A Combined Symbol Timing and Frequency Synchronization and Channel Estimation Technique Based on Detected Data for OFDM Systems" @default.
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- W2314445025 doi "https://doi.org/10.3724/sp.j.1146.2007.00443" @default.
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