MMSE channel estimation for two-port demodulation reference signals in new radio  

作　　者：Dejin KONG Xiang-Gen XIA Pei LIU Qibiao ZHU 

机构地区：[1]School of Electronic and Electrical Engineering,Wuhan Textile University,Wuhan 430200,China [2]^Department of Electrical and Computer Engineering,University of Delaware,Newark 19716,USA [3]School of Information Engineering,Wuhan University of Technology,Wuhan 430070,China [4]School of Information Engineering,Nanchang University,Nanchang 330031,China

出　　处：《Science China(Information Sciences)》2021年第6期243-244,共2页中国科学（信息科学）（英文版）

基　　金：supported by National Natural Science Foundation of China (Grant Nos. 62001333,62001336, 61961024);Fundamental Research Funds for the Central Universities (Grant No. WUT:2020IVA024)。

摘　　要：Dear editor,Orthogonal frequency division multiplexing(OFDM) has been adopted in new radio(NR) [1], and multiple-port demodulation reference signal(DMRS) has been designed to achieve channel estimation. In NR, two ports of DMRS share the same frequency resource elements(RE) by employing an orthogonal code comprising cyclic shift phase. In general, channel estimation can be achieved via the classical discrete Fourier transform(DFT) scheme [2, 3] as channels for the two ports of DMRS can be separated in the time domain via the DFT scheme.

关 键 词：channel estimation. REFERENCE 

分 类 号：TN92[电子电信—通信与信息系统]