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Shaped Polar Codes for Higher Order Modulation
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DOI：10.1109/LCOMM.2017.2766621.png)
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Abstract
En 中文
A new polar coding scheme for higher order modulation is presented. An encoding method is proposed such that in combination with Gray labeled amplitude shift keying the channel input symbols have a desired non-uniform distribution, resulting in a shaping gain at the receiver compared with the conventional bit-interleaved coded modulation. The proposed scheme mainly affects the encoder, and the complexity increase at the receiver is negligible.
Keywords:
Polar coding
probabilistic shaping
coded modulation
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