Antenna Layer Selection and Soft Demapping for MIMO Decoder

Antenna Layer Selection and Soft Demapping for MIMO Decoder

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...

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Hauptverfasser: JIA MING, HUM EDDY
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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HUM EDDY
description 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.
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ELECTRICITY
TRANSMISSION
title Antenna Layer Selection and Soft Demapping for MIMO Decoder
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