公开(公告)号：US20150195109A1

公开(公告)日：2015-07-09

申请号：US14661876

申请日：2015-03-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Gong ZHANG ,  Xun YANG ,  Pei XIAO ,  Zihuai LIN

IPC: H04L25/03 ,  H04L1/06 ,  H04L1/00 ,  H04L25/02 ,  H04J11/00

CPC classification number: H04L25/03159 ,  H04B7/0434 ,  H04B7/0465 ,  H04B7/0617 ,  H04J11/0063 ,  H04L1/0026 ,  H04L1/0028 ,  H04L1/0036 ,  H04L1/0073 ,  H04L1/0606 ,  H04L25/0204 ,  H04L25/03343 ,  H04L25/03968 ,  H04L27/02 ,  H04L27/2082 ,  H04L27/34 ,  H04L2001/125

Abstract: A precoding method, a precoding apparatus, a Frequency Domain Equalization (FDE) method, and an FDE apparatus are provided in the embodiments of the present invention. The precoding method includes: performing offset modulation for a transmitting signal vector; calculating a precoding matrix according to the offset-modulated transmitting signal vector and a receiver decision signal vector, where the precoding matrix is used for performing precoding for the transmitting signal vector; and performing precoding for the transmitting signal vector according to the precoding matrix. Linear precoding is performed by using the offset-modulated signal on the transmitter, and therefore, the interference caused by multiple antennas and multipath propagation is reduced, the system BER is reduced, and the complexity of implementation is low.

Abstract translation: 在本发明的实施例中提供了预编码方法，预编码装置，频域均衡（FDE）方法和FDE装置。 预编码方法包括：对发射信号矢量执行偏移调制; 根据偏移调制发射信号矢量和接收机决策信号向量计算预编码矩阵，其中预编码矩阵用于对发射信号矢量进行预编码; 并根据预编码矩阵对发送信号向量执行预编码。 通过使用发射机上的偏移调制信号来执行线性预编码，因此减少了由多个天线引起的干扰和多径传播的干扰，降低了系统BER，实现的复杂度低。