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Multi-size circular shifting networks for decoders of structured LDPC codes

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3 Author(s)
M. Rovini ; Univ. of Pisa, Pisa ; G. Gentile ; L. Fanucci

The need for circularly shifting an array of data is a distinguishing feature of decoders for structured low-density parity-check (LDPC) code, as a result of an efficient trade-off between performance and parallelisation of the elaborations, or throughput. Since the decoder must typically cope with blocks of data with different size, described is an efficient architecture of a reconfigurable multi-size circular shifting network, used to circularly shift an array with arbitrary size.

Published in:

Electronics Letters  (Volume:43 ,  Issue: 17 )