NASA NTRS · 20090043094
Encoders for block-circulant LDPC codes
Abstract
Methods and apparatus to encode message input symbols in accordance with an accumulate-repeat-accumulate code with repetition three or four are disclosed. Block circulant matrices are used. A first method and apparatus make use of the block-circulant structure of the parity check matrix. A second method and apparatus use block-circulant generator matrices.
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Divsalar, Dariush, Abbasfar, Aliazam, Jones, Christopher R., Dolinar, Samuel J., Thorpe, Jeremy C., Andrews, Kenneth S., Yao, Kung. 2009-03-03. Encoders for block-circulant LDPC codes. https://ntrs.nasa.gov/citations/20090043094
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