Lin, Wei and McEliece, Robert J. and Xu, Meina (1997) Trellis-Canonical Generator Matrices for Convolutional Codes. In: 1997 IEEE International Symposium on Information Theory, Proceedings. IEEE , Piscataway, N.J., p. 286. ISBN 0-7803-3956-8 http://resolver.caltech.edu/CaltechAUTHORS:20120120-100255991
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Abstract
It was asserted in without proof, that a canonical generator matrix G(D) is trellis-canonical if and only if G(D) has the property that the span-length of the corresponding scalar matrix “G¯” cannot be reduced by a row operation of the form Row[m]= Row[n]D^s + Row[m], where s is an integer in the range 0⩽s⩽L and m ≠ n. In this paper, we prove a stronger result, viz., a basic PGM is trellis-canonical if and only if it is “row-reduced”. An efficient algorithm for converting a basic PGM into a trellis-canonical PGM is presented. We also correct an error in the general algorithm given in [3].
| Item Type: | Book Section | ||||||
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| Additional Information: | © 1997 IEEE. Date of Current Version: 06 August 2002. This work was partially supported by NSF grant no. NCR-9505975 and a grant from Pacific Bell. | ||||||
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| Record Number: | CaltechAUTHORS:20120120-100255991 | ||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20120120-100255991 | ||||||
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| Official Citation: | Wei Lin; McEliece, R.J.; Meina Xu; , "Trellis-canonical generator matrices for convolutional codes," Information Theory. 1997. Proceedings., 1997 IEEE International Symposium on , vol., no., pp.286, 29 Jun-4 Jul 1997 doi: 10.1109/ISIT.1997.613207 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=613207&isnumber=13396 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 28883 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Ruth Sustaita | ||||||
| Deposited On: | 20 Jan 2012 18:49 | ||||||
| Last Modified: | 20 Jan 2012 18:49 |
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