Spatially coupled serially concatenated codes via parity re‐encoding

The recently introduced spatially coupled turbo‐like codes are attractive in trading‐off performances between the error‐floor region and the water‐fall region. This letter is concerned with the construction of spatially coupled serially concatenated codes. Particularly, a new construction of spatial...

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Bibliographic Details
Published in:Electronics letters 2021-02, Vol.57 (3), p.129-131
Main Authors: Zhao, Shancheng, Yang, Chaojie, Wen, Jinming
Format: Article
Language:English
Subjects:
Algorithms
Block codes
Coders
Codes
Coding
Concatenated codes
Conflicts of interest
Construction
Convolutional codes
Low density parity check codes
Parity
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Summary:The recently introduced spatially coupled turbo‐like codes are attractive in trading‐off performances between the error‐floor region and the water‐fall region. This letter is concerned with the construction of spatially coupled serially concatenated codes. Particularly, a new construction of spatially coupled serially concatenated codes is presented, in which a portion of the encoding output of the previous inner encoder is taken as the input of the current inner encoder. The authors show that by proper selection of the component codes and the re‐encoding ratio, performance gain about 0.25 dB is obtained with the proposed construction.
ISSN:0013-5194
1350-911X
DOI:10.1049/ell2.12079