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Iterative detection supported by extrinsic information for holographic data storage systems

Iterative detection supported by extrinsic information for holographic data storage systems

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A new model in which an iterative detection is supported by extrinsic information from equalisers is proposed. Furthermore, the system performance involving extrinsic information from an opposite direction one-dimensional soft output Viterbi algorithm is examined. The work is applied to holographic data storage (HDS) systems. The HDS systems are well known as a future storage system because of their extremely large storage capacity and high data transfer rates. However, the system faces two-dimensional interference challenges. The results show that the proposed model vastly improves the performance of the HDS system under severe interference.


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      • 3. Kim, J., Moon, Y., Lee, J.: ‘Iterative decoding between two-dimensional soft output Viterbi algorithm and error correcting modulation code for holographic data storage’, Jpn. J. Appl. Phys., 2011, 50, (9), pp. 09MB02-109MB02-3, doi: 10.1143/JJAP.50.09MB02.

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