Algebraic Construction of Structurally Shaped Polar Codes

Shaped polar codes were recently proposed to improve the spectral efficiency of polar coded modulation, based on probabilistic shaping. The key principle for them is to adjust the probability of occurrence of 1's in each codeword by introducing the shaping bits, which makes the distribution of...

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Veröffentlicht in:	IEEE transactions on communications 2021-09, Vol.69 (9), p.5701-5713
Hauptverfasser:	Yang, Daeyeol, Jang, Min, Yang, Kyeongcheol
Format:	Artikel
Sprache:	eng
Schlagworte:	Algebra algebraic method Codes Decoding Encoding Gain Indexes Modulation Normal distribution polar coded modulation Polar codes Probabilistic logic probabilistic shaping Redundancy shaping gain Statistical analysis structurally shaped polar codes
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