Rotational invariance of trellis codes. II: Group codes and decoders

Benedetto, Sergio; Garello, Roberto; Mondin, Marina; Trott, M. D.

doi:10.1109/18.490543

For pt.I see ibid., vol.42, no.3, p.751-65 (1996). In Part I, general results on rotationally invariant codes and encoders were derived assuming no algebraic structure. In Part II, trellis codes based on group systems are considered as a special case for which code and encoder constructions are particularly simple. Rotational invariance is expressed as an algebraic constraint on a group code, and algebraic constructions are found for both “absorbed precoder” encoders and for encoders with separate differential precoders. Finally, the various encoder forms used to achieve rotational invariance are compared based on their performance on an AWGN channel.

Rotational invariance of trellis codes. II: Group codes and decoders / S. BENEDETTO; R. GARELLO; M. MONDIN; M.D. TROTT. - In: IEEE TRANSACTIONS ON INFORMATION THEORY. - ISSN 0018-9448. - STAMPA. - 42:3(1996), pp. 766-778.

Titolo:	Rotational invariance of trellis codes. II: Group codes and decoders
Autori:	BENEDETTO, Sergio GARELLO, Roberto MONDIN, Marina M. D. TROTT mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1996
Rivista:	IEEE TRANSACTIONS ON INFORMATION THEORY
Digital Object Identifier (DOI):	http://dx.doi.org/10.1109/18.490543
Appare nelle tipologie:	1.1 Articolo in rivista

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