公开(公告)号：US08867649B2

公开(公告)日：2014-10-21

申请号：US14022912

申请日：2013-09-10

Applicant: Apple Inc.

Inventor： Eddy Hum ,  Ming Jia

IPC: H04B7/02 ,  H04L1/02

CPC classification number: H04B7/0456 ,  H04B7/0439

Abstract: A MIMO decoder is configured to obtain a channel matrix and generate a Hermitian transpose of the channel matrix. A product of the Hermitian transpose of the channel matrix and the channel matrix is generated to provide a first product having multiple diagonal elements. A partial matrix inversion of the diagonal elements of the first product is generated to provide a diagonal vector. From the diagonal vector, an antenna layer is selected from the multiple antenna layers and represents the antenna layer selected for a given processing iteration. The selected antenna layer will preferably correspond to that having the lowest inverse channel gain. A partial matrix inversion of the first product along the row corresponding to the selected antenna layer is generated to provide a row vector. A product of the row vector and the Hermitian transpose of the channel matrix is generated to provide an inverse channel gain vector.

Abstract translation: MIMO解码器被配置为获得信道矩阵并且生成信道矩阵的厄米转置。 产生Hermitian转置通道矩阵和通道矩阵的乘积，以提供具有多个对角元素的第一乘积。 产生第一乘积的对角元素的部分矩阵反演以提供对角矢量。 从对角向量中，从多个天线层中选择天线层，并表示为给定的处理迭代而选择的天线层。 所选择的天线层将优选地对应于具有最低反向信道增益的天线层。 产生沿着对应于所选天线层的行的第一乘积的部分矩阵求逆以提供行向量。 产生行向量和信道矩阵的Hermitian转置的乘积以提供反向信道增益向量。

公开(公告)号：US20140016716A1

公开(公告)日：2014-01-16

申请号：US14022912

申请日：2013-09-10

Applicant: Apple Inc.

Inventor： Eddy Hum ,  Ming Jia

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/0439

Abstract: A MIMO decoder is configured to obtain a channel matrix and generate a Hermitian transpose of the channel matrix. A product of the Hermitian transpose of the channel matrix and the channel matrix is generated to provide a first product having multiple diagonal elements. A partial matrix inversion of the diagonal elements of the first product is generated to provide a diagonal vector. From the diagonal vector, an antenna layer is selected from the multiple antenna layers and represents the antenna layer selected for a given processing iteration. The selected antenna layer will preferably correspond to that having the lowest inverse channel gain. A partial matrix inversion of the first product along the row corresponding to the selected antenna layer is generated to provide a row vector. A product of the row vector and the Hermitian transpose of the channel matrix is generated to provide an inverse channel gain vector.

Abstract translation: MIMO解码器被配置为获得信道矩阵并且生成信道矩阵的厄米转置。 产生Hermitian转置通道矩阵和通道矩阵的乘积，以提供具有多个对角元素的第一乘积。 产生第一乘积的对角元素的部分矩阵反演以提供对角矢量。 从对角向量中，从多个天线层中选择天线层，并表示为给定的处理迭代而选择的天线层。 所选择的天线层将优选地对应于具有最低反向信道增益的天线层。 产生沿着对应于所选天线层的行的第一乘积的部分矩阵求逆以提供行向量。 产生行向量和信道矩阵的Hermitian转置的乘积以提供反向信道增益向量。