On the design of woven convolutional encoders with outer warp row permutors

In this paper, permutor design aspects for woven convolutional encoders (WCEs) with outer warp (OW) are discussed. We show how the minimum distance of the overall code can be increased by considering all warp permutors together. A bound on the minimum distance of a code generated by a WCE with OW and designed permutors is presented that considerably exceeds those with known designs.

[1]  Rolf Johannesson,et al.  Woven convolutional codes I: Encoder properties , 2002, IEEE Trans. Inf. Theory.

[2]  Martin Bossert,et al.  Woven codes with outer warp: variations, design, and distance properties , 2001, IEEE J. Sel. Areas Commun..

[3]  Ralph Jordan,et al.  On higher order permutors for serially concatenated convolutional codes , 2006, IEEE Transactions on Information Theory.

[4]  F. Pollara,et al.  Serial concatenation of interleaved codes: performance analysis, design and iterative decoding , 1996, Proceedings of IEEE International Symposium on Information Theory.

[5]  A. Glavieux,et al.  Near Shannon limit error-correcting coding and decoding: Turbo-codes. 1 , 1993, Proceedings of ICC '93 - IEEE International Conference on Communications.

[6]  Rolf Johannesson,et al.  Fundamentals of Convolutional Coding , 1999 .

[7]  Jakob Dahl Andersen,et al.  Interleaver Design for Turbo Coding , 1997 .

[8]  Ralph Jordan,et al.  Woven convolutional codes. II: decoding aspects , 2004, IEEE Transactions on Information Theory.

[9]  John L. Ramsey.  Realization of optimum interleavers , 1970, IEEE Trans. Inf. Theory.

[11]  Stephen B. Wicker,et al.  Turbo Coding , 1998 .

[12]  Rolf Johannesson,et al.  Active Distances for Convolutional Codes , 1999, IEEE Trans. Inf. Theory.