基于虚拟子载波的LTE信道估计算法设计  

LTE Channel Estimation Algorithms Based on Virtual Carrier

作　　者：邓单[1] DENG Dan(Guangzhou Panyu Polytechnic, Guangzhou 511483, China)

机构地区：[1]广州番禺职业技术学院,广东广州511483

出　　处：《移动通信》2017年第8期54-57,共4页Mobile Communications

基　　金：广州市科技计划项目(201707010389);广州市教育科学"十二五"规划课题(1201431075);广州市教育局市属高校科研项目(1201620439);广州番禺职业技术学院"青山湖青年学者"科研项目(2016Q001);京信研究基金(JX-PYP-201501);京信研究基金(H2017007)

摘　　要：分析了经典LTE系统信道估计算法在不同信道条件下的缺陷,为克服传统信道估计固有的泄漏效应,提升LTE系统信道估计的有效性,提出了基于虚拟子载波拓展的连续相位预测和连续相位周期延拓算法,可有效提升LTE系统吞吐量。数值仿真结果也验证了所提算法的有效性。The shortcomings of classical channel estimation algorithms in different channel conditions for LTE systems were analyzed in this paper. In overcome the inherent leak effect of traditional channel estimation algorithms and enhance the effectiveness of channel estimations in LTE systems. An algorithm based on the prediction and periodic expansion of continuous phase of virtual carrier expansion was proposed, which can effectively enhance the throughput of LTE systems. Numerical simulation results validate the effectiveness of the proposed algorithm.

关 键 词：信道估计 周期拓展 虚拟子载波 

分 类 号：TN929.5[电子电信—通信与信息系统]