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Realization of Frequency Synchronization for GSM System
Author(s): WANG Yongxue
Pages: 37-
40
Year: 2010
Issue:
6
Journal: Telecommunication Engineering
Keyword: GSM; 频率同步; 频率校正信道; 频偏估计;
Abstract: 在GSM系统中提出一种简单的频率同步算法,利用系统频率校正信道(FCCH)的信号特征估计接收信号的频率偏移,并通过频率补偿实现系统频率同步.仿真结果表明,该算法丢包率低,信噪比为8 dB时就可完全检测到FCCH;频偏估计和补偿效果好,降低了系统误码率.与传统的基于频域FCCH检测算法和最大似然匹配检测算法相比,所提算法基于时域信号处理,不需进行频域分析,其性能好且简单实用.
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