fcch 频率校正信道
- First, based on the characteristics of FCCH in GSM, analyzing the frequency spectrum and the correlation of SCH training sequence are two ways introduced to capture FCCH.
侦察的方法包括:对频率校正信道的侦察采用了直接频谱分析法和通过同步信道训练序列的相关计算方法; - In this chapter, we introduce the frame structures in GSM firstly and then describe the realization of the frequency synchronization by FCCH and time synchronization by SCH.
本章首先介绍了GSM的帧结构,然后给出了用FCCH信道完成频率同步、SCH信道完成时间同步的实现过程。
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