Trends in Channel Coding for 6G

Error correction coding (i.e., channel coding) is a key ingredient of any digital communications system. In mobile wireless communications, channel codes have evolved from simple convolutional codes in Global System for Mobile Communications (GSM) (2G), parallel concatenated (turbo) codes in Univers...

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Bibliographic Details
Published in:Proceedings of the IEEE 2024-07, Vol.112 (7), p.653-675
Main Authors: Miao, Sisi, Kestel, Claus, Johannsen, Lucas, Geiselhart, Marvin, Schmalen, Laurent, Balatsoukas-Stimming, Alexios, Liva, Gianluigi, Wehn, Norbert, Brink, Stephan Ten
Format: Article
Language:English
Subjects:
3G mobile communication
6G mobile communication
Automorphisms
channel coding
Codes
Communications systems
Encoding-Decoding
Error correcting codes
Error correction
GSM
History
Information theory
Iterative decoding
Large scale integration
Long Term Evolution
Polar codes
Synchronism
Synchronization
Trends
Turbo codes
Very large scale integration
Wireless communication
Wireless communications
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Summary:Error correction coding (i.e., channel coding) is a key ingredient of any digital communications system. In mobile wireless communications, channel codes have evolved from simple convolutional codes in Global System for Mobile Communications (GSM) (2G), parallel concatenated (turbo) codes in Universal Mobile Telecommunications Service (UMTS) (3G), and long-term evolution (LTE) (4G), to carefully designed multirate/multilength low-density parity-check (LDPC) codes in 5G, combined with polar codes for short messages on the synchronization channel. Based on this rich history, and by accounting for the technological advances in very large-scale integration, this article will outline some recent trends in channel coding as they may be applied in 6G systems, ranging from novel approaches for short blocklengths such as automorphism ensemble decoding, via ideas of coding for multiple access, to concepts for unified coding schemes that may simplify encoding/decoding hardware at competitive error-correcting performance.
ISSN:0018-9219
1558-2256
DOI:10.1109/JPROC.2024.3416050