TL;DR研究大规模多用户多输入多输出(MU-MIMO)无线系统中基于正交频分复用(OFDM)的下行传输方案,通过解决凸优化问题来实现 MU 预编码、OFDM 调制和峰均比(PAR)降低,从而降低 RF 部件成本。
Abstract
We investigate an orthogonal frequency-division multiplexing (OFDM)-based
downlink transmission scheme for large-scale multi-user (MU) multiple-input
multiple-output (MIMO) wireless systems. The use of OFDM cause