Interleaver Design for Short Concatenated Codes

The choice of the interleaver may significantly affect the performance of short codes when they are used in serial concatenation. By focusing on the minimum distance of the overall concatenated code, we propose an algorithmic method for the design of good interleavers. As a valuable example of appli...

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Bibliographic Details
Published in:IEEE communications letters 2018-09, Vol.22 (9), p.1762-1765
Main Authors: Ricciutelli, Giacomo, Baldi, Marco, Chiaraluce, Franco
Format: Article
Language:English
Subjects:
Codes
Complexity theory
Concatenated codes
cyclic codes
cyclic redundancy check
Cyclic redundancy check codes
Design methodology
Generators
Indexes
interleaving
minimum distance
polar codes
Redundancy
Testing
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Summary:The choice of the interleaver may significantly affect the performance of short codes when they are used in serial concatenation. By focusing on the minimum distance of the overall concatenated code, we propose an algorithmic method for the design of good interleavers. As a valuable example of application, we consider the case of polar codes concatenated with cyclic redundancy check codes. For these codes, the method we propose is compared with classical approaches based on random searches to assess its advantages, which are also confirmed through examples of practical coded transmissions over the binary erasure channel.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2018.2855936