一种TD-LTE终端EVM计算新方法
new method of TD-LTE User Equipment EVM calculation
近年来，TD-LTE通信系统受到了广泛关注，其技术标准也在不断丰富完善，本文就TD-LTE终端发射机特性的关键指标EVM进行研究，介绍了其测试流程和关键算法，并利用Matlab软件进行了仿真验证。本文中提出的定时同步、频偏估计、载波泄露计算、频域均衡等算法，已经在工程实践中得到应用。最后，本文提出了一种EVM计算的新方法，可以提高算法效率。
In recent years,TD-LTE communication system has attracted extensive attention around the world.TD-LTE technical specification is being perfected.Based on the research on TD-LTE User Equipment transmitter characteristics,the measurement process and key algorithms of EVM are introduced in this paper.All the algorithms including timing,frequency error,carrier leakage&equalization provided by this paper have been used in project.Finally,this paper puts forward a new method of TD-LTE user equipment EVM calculation which can improve the test efficiency.
胡寒冰、贾向东、张治
通信无线通信
通信与信息系统误差矢量幅度时分同步码分多址的长期演进
ommunication and Information SystemEVMTD-LTE
胡寒冰,贾向东,张治.一种TD-LTE终端EVM计算新方法[EB/OL].(2011-10-27)[2025-08-19].http://www.paper.edu.cn/releasepaper/content/201110-294.点此复制
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