Enumerative Sphere Shaping for Wireless Communications With Short Packets.

Yunus Can Gültekin,Wim J. van Houtum,Arie G. C. Koppelaar,Frans M. J. Willems

IEEE Transactions on Wireless Communications（2020）

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摘要

Probabilistic amplitude shaping (PAS) combines an outer shaping layer with an inner, systematic forward error correction (FEC) layer to close the shaping gap. Proposed for PAS, constant composition distribution matching (CCDM) produces amplitude sequences with a fixed empirical distribution. We show that CCDM suffers from high rate losses for small block lengths, and we propose to use Enumerative ...

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关键词

Probabilistic logic,AWGN channels,Encoding,Forward error correction,Amplitude shift keying,Wireless communication,Systematics

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