An Improved Joint Timing and Frequency Synchronization Method for OFDM

摘要：

An improved joint timing and frequency synchronization method for OFDM is proposed. By using the combination of a special orthogonal PN sequence and a repeated-conjugated- symmetrical structured sequence,the proposed algorithm can realize both timing synchronization and frequency synchronization accurately. Theoretical analysis and simulation results show that the proposed algorithm can not only solve the problem of timing synchronization in the channel environment where the first path is not the strongest path,but also can realize accurate frequency synchronization at low signal-to-noise ratio values even in the timing variant channel environment where equal power paths may occur.

关键词： orthogonal PN sequence conjugated-symmetrical-structured sequence OFDM timing synchronization frequency estimation

作者: Liu Lishi Kong Mengmeng

作者单位: Shenyang Ligong Univeristy,Shenyang,China,110159 State Key Laboratory of Rail Traffic Control and Sa Shenyang Ligong Univeristy,Shenyang,China,110159

会议类型: 国际会议

会议名称: 2011 International Conference on Opto-Electronics Engineering and Information Science(2011光电电子工程与信息科学国际会议 ICOEIS 2011)

会议地点: 西安

会议语种:英文

页码: 1405-1409

在线出版日期: 2011-12-23（万方平台首次上网日期，不代表论文的发表时间）