Four new runlength constrained recording codes

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Four new runlength constrained recording codes

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© The Institution of Electrical Engineers
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Four simple runlength constrained codes for digital optical or magnetic recording are presented. Parameters are R = 1/3, (d, k) = (1, 2), R =1/4, (d, k) = (4, 8), R = 1/4, (d, k) = (4, 7) and R = 1/4, (d, k) = (5, 9). Both the finite-state transition diagrams for the encoders and sliding-block decoders are presented.

Inspec keywords: optical storage; encoding; magnetic storage

Other keywords: digital optical recording; runlength constrained recording codes; sliding-block decoders; finite-state transition diagrams; encoders; digital magnetic recording

Subjects: Holography; Storage on moving magnetic media; Information theory; Optical storage; Codes

References

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      • R.L. Adler , R.K. Brayton , B.P. Kitchens . A rate 1/3 (5, 12) rll code. IBM Tech. Disclosure Bull. , 4722 - 4724
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      • P. Siegel . Recording codes for digital magnetic storage. IEEE Trans. , 1344 - 1349
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      • P.A. Franaszek . Sequence-stale methods for runlength-limited coding. IBM J. Res. & Dev. , 376 - 383
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      • K. Norris , D.S. Bloomberg . Channel capacity of charge-constrained runlength limited codes. IEEE Trans. , 3452 - 3455
    6. 6)
      • Ferreira, H.C., Lin, S.: `Of integer compositions, (d, k) codes, and Hamming distance', Proceedings of the twenty-second annual Princeton conference on information sciences and systems, 1988, Princeton, New Jersey, USA, to be published.
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