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Application of erasure error correction to concatenated partial-response channel code

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4 Author(s)
Kobayashi, N. ; Central Res. Lab., Hitachi Ltd., Tokyo, Japan ; Sawaguchi, H. ; Kondo, M. ; Mita, S.

Erasure error correction based on List-SOVA has been applied to partial-response channel code for high-density magnetic recording. Soft-output information extracted from modified EEPR4ML is used. To achieve as high a total coding rate as possible, a 16/17MTR(3;11) code and a rate 544/561 cyclic redundancy check code (CRCC) are combined. CRCC-false-correction deteriorates erasure error correction performance. To solve this problem, a method for detecting CRCC-false-correction has been proposed. Simulation results show that our method can reduce block error rates to 1/10 the case without erasure error correction at the user density of 2.8

Published in:

Communications, 1999. ICC '99. 1999 IEEE International Conference on  (Volume:3 )

Date of Conference:

1999