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Construction of low-density parity-check codes based on balanced incomplete block designs

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5 Author(s)
B. Ammar ; Lancaster Univ., UK ; B. Honary ; Yu Kou ; Jun Xu
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This correspondence presents a method for constructing structured regular low-density parity-check (LDPC) codes based on a special type of combinatoric designs, known as balance incomplete block designs. Codes constructed by this method have girths at least 6 and they perform well with iterative decoding. Furthermore, several classes of these codes are quasi-cyclic and hence their encoding can be implemented with simple feedback shift registers.

Published in:

IEEE Transactions on Information Theory  (Volume:50 ,  Issue: 6 )