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Layered LDPC Decoding Over GF(q) for Magnetic Recording Channel

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1 Author(s)
Alessandro Risso ; Data Storage Div., STMicroelectronics, San Diego, CA, USA

This paper proposes a layered decoding algorithm for the low-density parity-check (LDPC) codes over GF(q). The layered decoding can be applied to parity-check matrices that are structured in layers, such as quasi-cyclic (QC) parity-check matrices. When simulated over a magnetic recording channel, the layered decoder outperforms the conventional decoder in the number of inner iterations and in the block error rate.

Published in:

IEEE Transactions on Magnetics  (Volume:45 ,  Issue: 10 )