TD-LTE下行信道估计的DSP实现  

Realization of Channel Estimation in TD-LTE Downlink Based on DSP

作　　者：李小文[1] 梁琳[1] 

机构地区：[1]重庆邮电大学通信学院,重庆400065

出　　处：《电视技术》2011年第7期44-48,共5页Video Engineering

基　　金：国家科技重大专项(2009ZX03002-009)

摘　　要：根据项目选定的硬件,选择了合适的信道估计算法,给出了基于变换域IDCT/DCT的LS算法和基于小区专用参考信号的一种TD-LTE下行信道估计的DSP实现方案。CCS的仿真结果表明,该方案具有良好的实时处理能力,获得了较好的估计性能。Based on the selected hardware, the proper channel estimation method is chosen. A TD-LTE downlink channel estimation realizing scheme is given, which is based on LS algorithm of transforming domain IDCT/DCT and cell-special reference signal. The CCS simulation results show that this scheme has good real-time processing ability, and can provide good estimation performance.

关 键 词：DSP TD-LTE 小区专用参考信号 信道估计 

分 类 号：TN929.5[电子电信—通信与信息系统]