-SCDMA上行同步码接收
he detection of SYNC-UL in TD-SCDMA
本文首先介绍了TD-SCDMA在我国的地位以及发展前景，然后分析了TD-SCDMA中上行同步的重要性，上行同步的机制，实现过程等。在综合考虑系统复杂度和性能的基础上提出了上行同步码接收的基于FFT的算法。分析了这个算法的整个可行性和正确性，其后，主要注重点在于算法中最重要的门限值的设定方式。由于我们系统主要在UpPTS时隙上在极大的概率下仅有一个用户会选择一个SYNC-UL码接入，所以本文主要通过单用户在多径信道下接入的性能表现佐证门限的设置，并分析在各个信道条件下，算法的性能差异以及原因分析，最后得出一个比较合理的门限设置方案，同时给出在各种情况下算法的性能表现的仿真结果。
his paper introduces the position and bright future of the TD-SCDMA in China. Then, I analyzed the importance of the synchronization of Up-link in TD-SCDMA, the system of the sync-ul and the process of how to realize the Up-link synchronization. After taken the algorithms’ complexity and performance into account, I suggested a algorithms based on FFT. Analyzed the algorithms’ feasibility and validity, then, the focus is on how to choose the appropriate threshold. And analyzed the different performance under different multi-path channel model, then provided a reasonable project to set the threshold, and at the same time, given the simulated results under different conditions.
李锋
无线通信通信
-SCDMAUpPTSSYNC-ULFFT
-SCDMAUpPTSSYNC-ULFFT
李锋.-SCDMA上行同步码接收[EB/OL].(2008-12-16)[2025-08-02].http://www.paper.edu.cn/releasepaper/content/200812-460.点此复制
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