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High-rate coding system for magnetic recording

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2 Author(s)
Runsheng He ; Marvell Semicond. Inc., Sunnyvale CA, USA ; J. R. Cruz

A coding system for magnetic recording channels combining a high-rate error detection code with a list Viterbi algorithm (LVA) is proposed. This coding system can provide a coding gain of up to 2-3 dB for a modified extended extended partial response class IV (EEPR4) channel. A pipelined implementation of the LVA is presented, and an accurate estimation technique for the LVA performance is developed

Published in:

IEEE Transactions on Magnetics  (Volume:35 ,  Issue: 6 )