在正交频分复用(orthogonal frequency division multiplexing,OFDM)的多点协作(coordinated multi-point,CoMP)系统中,以子带为单位进行信道状态信息的反馈和预编码处理,可以有效降低反馈开销。但当参与协作的不同基站到达用户存在传...
supported by National High-Tech Research & Development Program of China(Grant No.2009AA011501);National Natural Science Foundation of China(Grant No.60832008);China’s Major Project(Grant No.2009ZX03007003);National Basic Research Program of China(Grant No.2007CB310608);the National Science and Technology Pillar Program(Grant No.2008BAH30B09);Program for Changjiang Scholars and Innovative Research Team in University(Grant No.PCSIRT)
In this paper, the per-layer design for Tomlinson-Harashima precoding (THP) in the downlink of multiuser multiple-input multiple-output (MIMO) systems is investigated. In these systems, the number of the receivers...