A multilevel approach to constructing trellis-matched codes for binary-input partial-response channels

A multilevel approach to constructing trellis-matched codes for binary-input partial-response channels

The multilevel coding approach of Imai and Hirakawa (1977) is used to construct trellis-matched codes for binary-input partial-response channels. For the codes to be trellis matched, the signal constellations are selected according to certain constraints, but no conditions are imposed on the compone...

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Veröffentlicht in:IEEE transactions on information theory 1999-11, Vol.45 (7), p.2582-2591
Hauptverfasser: Uchoa Filho, B.F., Herro, M.A., Costello, D.J.
Format: Artikel
Sprache:eng
Schlagworte:
Binary system
Channels
Codes
Coding
Constellations
Construction
Information technology
Information theory
Multilevel
Trellis codes
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Zusammenfassung:The multilevel coding approach of Imai and Hirakawa (1977) is used to construct trellis-matched codes for binary-input partial-response channels. For the codes to be trellis matched, the signal constellations are selected according to certain constraints, but no conditions are imposed on the component codes. New codes for the (1-D)(1+D)/sup n/ channel compare favorably to existing codes.
ISSN:0018-9448
1557-9654
DOI:10.1109/18.796410