precode OFDM预编码OFDM
constellation-rotating precode matrix星座旋转预编码矩阵
In order to eliminate the interference among different users, the transmitter should precode the transmission signal based on the known CSI.
在多用户系统中,为消除用户间干扰,发射端需根据CSI对发射信号进行预编码。
参考来源 - MIMO系统空时编码与用户选择技术研究