TY  - JOUR
U1  - Zeitschriftenartikel, wissenschaftlich - begutachtet (reviewed)
A1  - Spinner, Jens
A1  - Rohweder, Daniel
A1  - Freudenberger, Jürgen
T1  - Soft input decoder for high-rate generalised concatenated codes
JF  - IET Circuits, Devices & Systems
N2  - Generalised concatenated (GC) codes are well suited for error correction in flash memories for high-reliability data storage. The GC codes are constructed from inner extended binary Bose–Chaudhuri–Hocquenghem (BCH) codes and outer Reed–Solomon codes. The extended BCH codes enable high-rate GC codes and low-complexity soft input decoding. This work proposes a decoder architecture for high-rate GC codes. For such codes, outer error and erasure decoding are mandatory. A pipelined decoder architecture is proposed that achieves a high data throughput with hard input decoding. In addition, a low-complexity soft input decoder is proposed. This soft decoding approach combines a bit-flipping strategy with algebraic decoding. The decoder components for the hard input decoding can be utilised which reduces the overhead for the soft input decoding. Nevertheless, the soft input decoding achieves a significant coding gain compared with hard input decoding.
Y1  - 2018
SN  - 1751-8598
SS  - 1751-8598
U6  - https://doi.org/10.1049/iet-cds.2017.0347
DO  - https://doi.org/10.1049/iet-cds.2017.0347
VL  - 12
IS  - 4
SP  - 432
EP  - 438
PB  - Wiley
CY  - Hoboken
ER  -