Protograph-Based Folded Spatially Coupled LDPC Codes for Burst Erasure Channels
- 30 October 2018
- journal article
- research article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Wireless Communications Letters
- Vol. 8 (2) , 516-519
Abstract
In this letter, protograph-based folded spatially coupled (FSC) LDPC codes are proposed. The new folded-type structure is obtained by folding the spatial coupling chain of a conventional SC LDPC protograph and interlacing the nodes at staggered spatial positions. The proposed codes outperform the SC LDPC codes over single and multiple random-burst erasure channels. We extend the construction of the folded-type structure by connecting multiple one-sided SC LDPC chains for higher resilience to burst erasure channels. The FSC LDPC codes are also compatible with windowed decoder and outperform conventional SC LDPC codes.Keywords
Funding Information
- National Research Foundation of Korea
- Ministry of Education (NRF-2015R1D1A1A01058975, NRF-2018R1A2B6004195)
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