Static Layered Schedules and Core-Only Parity Check for the 5G New Radio LDPC Codes

Frenzel J, Muller-Weinfurtner S, Huber J, Müller R (2019)

Publication Type: Conference contribution

Publication year: 2019

Publisher: VDE Verlag GmbH

Pages Range: 280-284

Conference Proceedings Title: SCC 2019 - 12th International ITG Conference on Systems, Communications and Coding

Event location: Rostock DE

ISBN: 9783800748624

DOI: 10.30420/454862048

Abstract

We analyze static update schedules for high-speed decoding of the Low-Density Parity-Check (LDPC) codes used in 5G New Radio (NR). Motivated by the fact that updates of Check Nodes (CNs) with smaller degrees result in larger mutualinformation (MI) gains, we propose a schedule based on the ascending order of CN degrees. Furthermore, we examine the individual bit-error rates throughout the codeword and present a Core-Only Parity Check (COPC) strategy to accelerate the decoder convergence. These two simple concepts reduce the number of iterations until convergence by up to 15% compared to a Top-to-Bottom (TtB) schedule with the full parity check.

Authors with CRIS profile

Johannes Huber Lehrstuhl für Informationsübertragung Ralf Müller Professur für Informationsübertragung

Involved external institutions

Intel GmbH DE Germany (DE)

How to cite

APA:

Frenzel, J., Muller-Weinfurtner, S., Huber, J., & Müller, R. (2019). Static Layered Schedules and Core-Only Parity Check for the 5G New Radio LDPC Codes. In SCC 2019 - 12th International ITG Conference on Systems, Communications and Coding (pp. 280-284). Rostock, DE: VDE Verlag GmbH.

MLA:

Frenzel, Janik, et al. "Static Layered Schedules and Core-Only Parity Check for the 5G New Radio LDPC Codes." Proceedings of the 12th International ITG Conference on Systems, Communications and Coding, SCC 2019, Rostock VDE Verlag GmbH, 2019. 280-284.

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