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文中首先对TD-SCDMA系统同步技术进行了系统的阐述,随后介绍了无线接口同步中下行链路初搜的几种同步方法的原理,同时给出了各自的改进方案,最后通过其算法复杂度、仿真准确性等方面的性能比较来分析各下行链路同步方法的优缺点。
Firstly, the system synchronization of TD-SCDMA system is systematically described, and then the principle of several synchronization methods for mid-downlink synchronization in wireless interface is introduced. At the same time, some improvements are given. Finally, , Simulation accuracy and other aspects of performance comparison to analyze the advantages and disadvantages of each downlink synchronization method.