Due to the obvious impact of frequency offset on PN sequences, based on the FH sequence, a symbol synchronization scheme with a conjugate symmetric training sequence is proposed.
针对频偏对PN序列相关性影响比较明显的问题，提出了一种利用FH序列构造的具有共轭对称性质的训练序列进行符号同步的方案。
Designing the forward link is one of the important of constructing a CDMA network. The key of designing the forward link is how to assign the PN offset of each base station.
前向链路设计是CD MA网络建设的重要环节之一，而前向链路设计的关键在于分配基站的PN码偏置。
Doppler compensation techniques: the large Doppler frequency offset can case the performance degraded in PN and carrier synchronizing.
多普勒频移补偿：大的多普勒频移会引起载波同步及伪码捕获性能的下降。
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