New trellis codes based on lattices and cosets (1987)
| Venue: | IEEE Trans. Inform. Theory |
| Citations: | 27 - 6 self |
BibTeX
@ARTICLE{Calderbank87newtrellis,
author = {A. R. Calderbank and N. J. A. Sloane},
title = {New trellis codes based on lattices and cosets},
journal = {IEEE Trans. Inform. Theory},
year = {1987},
volume = {33},
pages = {177--195}
}
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Abstract
A new technique is proposed for constructing trellis codes, which provides an alternative to Ungerboeck’s method of ‘‘set partitioning’’. The new codes use a signal constellation consisting of points from an n-dimensional lattice Λ, with an equal number of points from each coset of a sublattice Λ ′. One part of the input stream drives a generalized convolutional code whose outputs are cosets of Λ ′ , while the other part selects points from these cosets. Several of the new codes are better than those previously known.
