Method and apparatus for OFDM based on 3D signal constellation

Provided is an orthogonal frequency division multiplexing (OFDM) apparatus using a 3-dimensional (3D) signal constellation. The apparatus performs 2D inverse fast Fourier transform on a set of 3D subchannel signals that is mapped by a signal constellation including signal points distributed on the s...

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Bibliographic Details
Main Authors Choi, Eun Chang, Huh, Jae Doo, Kang, Seon Geun
Format Patent
LanguageEnglish
Published 13.09.2011
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Summary:Provided is an orthogonal frequency division multiplexing (OFDM) apparatus using a 3-dimensional (3D) signal constellation. The apparatus performs 2D inverse fast Fourier transform on a set of 3D subchannel signals that is mapped by a signal constellation including signal points distributed on the surface of a 3D sphere.