A Low-Complexity Probabilistic Amplitude Shaping with Short Linear Block Codes

Toshiki Matsumine, Toshiaki Koike-Akino, Hideki Ochiai

Research output: Contribution to journalJournal articleResearchpeer-review

2 Downloads (Pure)

Abstract

We propose a new probabilistic amplitude shaping (PAS) scheme based on short linear block codes. In the proposed system, the capacity-approaching signal distribution is generated in the process of decoding linear block codes for a given information bit sequence. We associate the design problem of shaping codes with the classical covering problem, suggesting the use of good covering codes for shaping. From simulation results, it is demonstrated that by selecting perfect binary codes as our shaping codes, the proposed scheme offers a shaping gain of around 0.3–1.0 dB. By comparing with the enumerative sphere shaping (ESS) of the same block length, we verify that the proposed scheme achieves significantly lower storage complexity and computational complexity at the receiver even with comparable block error rate performance.

Original languageEnglish
JournalIEEE Transactions on Communications
Volume69
Issue number12
Pages (from-to)7923-7933
ISSN0090-6778
DOIs
Publication statusPublished - 2021

Keywords

  • Binary perfect codes
  • Block codes
  • Codes
  • Decoding
  • Gain
  • Lattices
  • Linear block codes
  • Modulation
  • Probabilistic amplitude shaping
  • Receivers

Fingerprint

Dive into the research topics of 'A Low-Complexity Probabilistic Amplitude Shaping with Short Linear Block Codes'. Together they form a unique fingerprint.

Cite this