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Four-Dimension Cross Constellations with Gray Mapping

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arxiv 1910.02640 v1 pith:73GGLHTJ submitted 2019-10-07 cs.NI

Liangping Ma , Hae Chung , Byung K Yi This is my paper · ORCID
classification cs.NI
keywords mappingconstellationscrossfour-dimensiongraymodulationpaprproposed
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abstract

Recently a four-dimension (4D) cross constellation has been proposed, where a 4D-vector is drawn from two $(3\times 4^m)$-ary QAM constellations, in an effort to reduce the peak-to-average-power ratio (PAPR). We construct a bits-to-signal mapping and prove that it is a Gray mapping. Simulation results show that the proposed modulation scheme is effective in reducing the PAPR while providing better error performance than existing 4D modulation schemes.

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