Flexible high throughput QC-LDPC decoder with perfect pipeline conflicts resolution and efficient hardware utilization

VL Petrović, MM Marković… - … on Circuits and …, 2020‏ - ieeexplore.ieee.org
Modern communication standards, such as 5G new radio (5G NR), require a high speed
decoder for highly irregular quasi-cyclic low density parity check (QC-LDPC) codes. A widely …

[HTML][HTML] Flexible 5g new radio ldpc encoder optimized for high hardware usage efficiency

VL Petrović, DM El Mezeni, A Radošević - Electronics, 2021‏ - mdpi.com
Quasi-cyclic low-density parity-check (QC–LDPC) codes are introduced as a physical
channel coding solution for data channels in 5G new radio (5G NR). Depending on the use …

Review on 5G NR LDPC code: Recommendations for DTTB system

F Li, C Zhang, K Peng, AE Krylov, AA Katyushnyj… - IEEE …, 2021‏ - ieeexplore.ieee.org
The freeze of the 5th generation new radio (5G NR) Release 16 indicates that 5G
development has stepped into a new stage. The application of a dedicated low-density …

Layered LDPC decoders with efficient memory access scheduling and map** and built-in support for pipeline hazards mitigation

O Boncalo, G Kolumban-Antal… - … on Circuits and …, 2018‏ - ieeexplore.ieee.org
This paper proposes a holistic approach that addresses both the message map** in
memory banks and the pipeline-related data hazards in low-density parity-check (LDPC) …

LDPC decoder architecture for DVB-S2 and DVB-S2X standards

C Marchand, E Boutillon - 2015 IEEE Workshop on Signal …, 2015‏ - ieeexplore.ieee.org
A particular type of conflict due to multiple-diagonal sub-matrices in the DVB-S2 parity-check
matrices is known to complicate the implementation of the layered decoder architecture. The …

Architecture and finite precision optimization for layered LDPC decoders

C Marchand, L Conde-Canencia, E Boutillon - Journal of Signal …, 2011‏ - Springer
Layered decoding is known to provide efficient and high-throughput implementation of
LDPC decoders. However, two main issues affect performance and area of practical …

[HTML][HTML] High throughput priority-based layered QC-LDPC decoder with double update queues for mitigating pipeline conflicts

Y Li, Y Li, N Ye, T Chen, Z Wang, J Zhang - Sensors, 2022‏ - mdpi.com
A high-throughput layered decoder for quasi-cyclic (QC) low-density parity-check (LDPC)
codes is required for communication systems. The preferred way to improve the throughput …

Hybrid check node architectures for NB-LDPC decoders

C Marchand, E Boutillon, H Harb… - … on Circuits and …, 2018‏ - ieeexplore.ieee.org
This paper proposes a unified framework to describe the check node architectures of non-
binary low-density parity-check (NB-LDPC) decoders. Forward-backward, syndrome-based …

DVB-T2 LDPC decoder with perfect conflict resolution

X Zhao, Z Chen, X Peng, D Zhou… - Information and Media …, 2012‏ - jstage.jst.go.jp
Currently most of LDPC decoders are implemented with the so-called layered algorithm for
its implementation efficiency and relatively high decoding performance. However, not all of …

Updating conflict solution for pipelined layered LDPC decoder

Z Wu, K Su - 2015 IEEE International Conference on Signal …, 2015‏ - ieeexplore.ieee.org
Due to the overlap of nonzero sub-matrices in the successive layers of check matrix, the
pipeline process might introduce data updating conflict in pipelined layered LDPC decoder …