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Carrier Synchronization for Very Low SNR

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摘要译码性能的涡轮将在为剩余频率和阶段的原因的条件在搬运人抵消的低signal-to-noise比率(SNR)下面承受严肃的降级。在这份报纸，一个改进剩余搬运人频率偏移量评价算法基于upriori概率帮助了(APPA)阶段评价被建议。一起联合反复的涡轮解码器和阶段评估者的一个搬运人同步环被构造，在从涡轮解码器获得的外来的信息被用来帮助反复的阶段评价进程的地方。算法在很低的SNR下面成功地执行的模拟结果表演调节(例如，不到-7.4dB)与大频率偏移量和阶段错误和这的表演，算法离最佳地同步的系统很靠近。

DOI pj0evv7w4y/879751

作者 Jun-Hui Xu Zhao Wang Zhong-Jie Gao Zhong-Pei Zhang

机构地区不详

出处《电子科技学刊：英文版》 2010年2期

关键词低信噪比载波同步载波频率偏移 TURBO译码器迭代译码器相位估计

分类 [电子电信][物理电子学]

出版日期 2010年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）

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来源期刊

电子科技学刊：英文版

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低信噪比载波同步载波频率偏移 TURBO译码器迭代译码器相位估计

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