Maximum transition run codes for data storage systems

J Moon, B Brickner - IEEE Transactions on Magnetics, 1996 - ieeexplore.ieee.org
J Moon, B Brickner
IEEE Transactions on Magnetics, 1996ieeexplore.ieee.org
A new code is presented which improves the minimum distance properties of sequence
detectors operating at high linear densities. This code, which is called the maximum
transition run code, eliminates data patterns producing three or more consecutive transitions
while imposing the usual k-constraint necessary for timing recovery. The code possesses
the similar distance-gaining property of the (1, k) code, but can be implemented with
considerably higher rates. Bit error rate simulations on fixed delay tree search with decision …
A new code is presented which improves the minimum distance properties of sequence detectors operating at high linear densities. This code, which is called the maximum transition run code, eliminates data patterns producing three or more consecutive transitions while imposing the usual k-constraint necessary for timing recovery. The code possesses the similar distance-gaining property of the (1,k) code, but can be implemented with considerably higher rates. Bit error rate simulations on fixed delay tree search with decision feedback and high order partial response maximum likelihood detectors confirm large coding gains over the conventional (0,k) code.
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