Manifold optimization assisted centralized hybrid precoding for cell-free massive MIMO systems  

作　　者：Jie LUO Jiancun FAN Yawen WANG Jinbo ZHANG 

机构地区：[1]School of Information and Communications Engineering,Xi'an Jiaotong University,Xi'an 710049,China [2]Science and Technology on Communication Networks Laboratory,the 54th Research Institute of CETC,Shijiazhuang 050081,China

出　　处：《Science China(Information Sciences)》2023年第11期301-302,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 No.61671367);Research Foundation of Science and Technology on Communication Networks Laboratory。

摘　　要：In the sixth generation(6G)wireless communication,cellfree massive multiple-input multiple-output(MIMO)has emerged as a promising technology due to it can improve macro diversity gain,enhance edge user service quality,and reduce path loss[1].To suppress inter-user interference and improve spectral efficiency,the design of the precoding scheme is important.

关 键 词：MIMO MASSIVE wireless 

分 类 号：TN929.5[电子电信—通信与信息系统]