Title :
A multilevel approach to constructing trellis-matched codes for binary-input partial-response channels
Author :
Uchoa Filho, B.F. ; Herro, M.A. ; Costello, D.J., Jr.
Author_Institution :
DT-FEEC, UNICAMP, Campinas, Brazil
Abstract :
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.
Keywords :
channel coding; decoding; partial response channels; trellis codes; binary-input partial-response channels; component codes; multilevel coding approach; signal constellations; trellis-matched codes construction; Trellis codes;
Journal_Title :
Information Theory, IEEE Transactions on
