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Effective free distance of turbo codes

Divsalar, D. and McEliece, R. J. (1996) Effective free distance of turbo codes. Electronics Letters, 32 (5). pp. 445-446. ISSN 0013-5194.

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The authors define and study the effective free distance of a turbo code. If a turbo code is constructed from a number of component codes, they argue that the effective free distance can be maximised by choosing the component codes to be IIR convolutional code fragments with maximal input weight-2 free distance. They then present some theoretical bounds for, and some numerical tables of; IIR code fragments with maximal input weight-2 free distance.

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Additional Information:© 1996 The Institution of Engineering and Technology. The authors thank S.W. Golomb for his help in the derivation of Theorem 2. The research described in this paper was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. McEliece’s contribution was also partially supported by NSF grant no. NCR-9505975 and a grant from Pacific Bell.
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Subject Keywords:effective free distance, turbo codes, IIR convolutional code, maximal input weight-2
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Official Citation:Effective free distance of turbo codes D. Divsalar and R.J. McEliece, Electron. Lett. 32, 445 (1996), DOI:10.1049/el:19960321
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29046
Deposited By: Tony Diaz
Deposited On:24 Feb 2012 23:18
Last Modified:24 Feb 2012 23:18

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