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November  2012, 6(4): 419-442. doi: 10.3934/amc.2012.6.419

Syndrome decoding for Hermite codes with a Sugiyama-type algorithm

Irene I. Bouw 1, and  Sabine Kampf 2,

1. 

Institute of Pure Mathematics, Ulm University, Ulm, Germany
2. 

Institute of Communications Engineering, Ulm University, Ulm, Germany

Received  July 2011 Revised  May 2012 Published  November 2012

This paper gives a new approach to decoding Hermite codes using the key equation, avoiding the use of majority voting. Our approach corrects up to $(d_{\min}-1)/2$ errors, and works up to some extent also beyond. We present an efficient implementation of our algorithm based on a Sugiyama-type iterative procedure for computing solutions of a key equation.
Keywords: Hermite codes, Groebner bases., algebraic decoding.
Mathematics Subject Classification: Primary: 14G50; Secondary: 11T7.
Citation: Irene I. Bouw, Sabine Kampf. Syndrome decoding for Hermite codes with a Sugiyama-type algorithm. Advances in Mathematics of Communications, 2012, 6 (4) : 419-442. doi: 10.3934/amc.2012.6.419
References:
[1]

P. Beelen and T. Høholdt, The decoding of algebraic geometry codes,, in, 5 (2008), 99.   Google Scholar

[2]

D. Cox, J. Little and D. O'Shea, "Using Algebraic Geometry,'', Springer, (1998).   Google Scholar

[3]

I. M. Duursma, Algebraic geometry codes: general theory,, in, 5 (2008), 99.   Google Scholar

[4]

D. Ehrhard, "Über das Dekodieren algebraisch-geometrischer Codes,'' Dissertation,, Universität Düsseldorf, (1991).   Google Scholar

[5]

J. I. Farrán, Decoding algebraic geometry codes by the key equation,, Finite Field Appl., 6 (2000), 207.  doi: 10.1006/ffta.1999.0274.  Google Scholar

[6]

G. L. Feng and T. R. N. Rao, Decoding algebraic-geometric codes up to the designed distance,, IEEE Trans. Inform. Theory, 39 (1993), 37.  doi: 10.1109/18.179340.  Google Scholar

[7]

V. D. Goppa, Codes on algebraic curves,, Dokl. Akad. Nauk SSSR, 259 (1981), 1289.   Google Scholar

[8]

V. Guruswami and M. Sudan, Improved decoding of Reed-Solomon and algebraic-geometric codes,, in, (1998).   Google Scholar

[9]

T. Høholdt, J. H. van Lint and R. Pellikaan, On the decoding of algebraic-geometric codes,, IEEE Trans. Inform. Theory, 41 (1995), 1589.  doi: 10.1109/18.476214.  Google Scholar

[10]

T. Høholdt, J. H. van Lint and R. Pellikaan, Algebraic geometry codes,, in, 1 (1998), 871.   Google Scholar

[11]

J. Justesen, K. Larsen, H. Jensen and T. Høholdt, Fast decoding of codes from algebraic plane curves,, IEEE Trans. Inform. Theory, 38 (1992), 111.  doi: 10.1109/18.108255.  Google Scholar

[12]

S. Kampf, Bounds on collaborative decoding of interleaved Hermitian codes with a division algorithm and virtual extension,, 3ICMCTA Special Issue of Designs, (2012).   Google Scholar

[13]

S. Kampf, M. Bossert and S. Bezzateev, Some results on list decoding of interleaved Reed-Solomon codes with the extended euclidean elgorithm,, in, (2008), 31.   Google Scholar

[14]

S. Kampf, M. Bossert and I. I. Bouw, Solving the key equation for Hermitian codes with a division algorithm,, in, (2011), 1008.   Google Scholar

[15]

D. A. Leonard, A generalized Forney formula for algebraic-geometric codes,, IEEE Trans. Inform. Theory, 42 (1996), 1263.  doi: 10.1109/18.508855.  Google Scholar

[16]

F. J. MacWilliams and N. J. A. Sloane, "The Theory of Error-Correcting Codes,'', North-Holland Mathematical Library, (1988).   Google Scholar

[17]

M. O'Sullivan and M. Bras-Amorós, The key equation for one-point codes,, in, 5 (2008), 99.   Google Scholar

[18]

S. C. Porter, B.-Z. Shen and R. Pellikaan, Decoding geometric Goppa codes using an extra place,, IEEE Trans. Inform. Theory, 38 (1992), 1663.  doi: 10.1109/18.165441.  Google Scholar

[19]

R. M. Roth, "Introduction to Coding Theory,'', Cambridge University Press, (2006).   Google Scholar

[20]

S. Sakata, J. Justesen, Y. Madelung, H. Elbrønd and T. Høholdt, Fast decoding of algebraic-geometric codes up to the designed minimum distance,, IEEE Trans. Inform. Theory, 41 (1995), 1672.  doi: 10.1109/18.476240.  Google Scholar

[21]

B.-Z. Shen, Solving a congruence on a graded algebra by a subresultant sequence and its application,, J. Symbolic Comput., 14 (1992), 505.  doi: 10.1016/0747-7171(92)90020-5.  Google Scholar

[22]

A. Skorobogatov and S. G. Vlăduţ, On the decoding of algebraic-geometric codes,, IEEE Trans. Inform. Theory, IT-36 (1990), 1051.  doi: 10.1109/18.57204.  Google Scholar

[23]

H. Stichenoth, "Algebraic Function Fields and Codes,'' 2nd edition,, Springer-Verlag, (2009).   Google Scholar

[24]

M. A. Tsfasman and S. G. Vlăduţ, "Algebraic-Geometric Codes,'', Kluwer Academic Publishers Group, (1991).   Google Scholar

[25]

M. A. Tsfasman and S. G. Vlăduţ and T. Zink, Modular curves, Shimura curves and Goppa codes better than the Varshmov-Gilbert bound,, Math. Nachr., 109 (1982), 21.  doi: 10.1002/mana.19821090103.  Google Scholar

[26]

K. Yang and P. V. Kumar, On the true minimal distance of Hermitian codes,, in, (1992), 99.  doi: 10.1007/BFb0087995.  Google Scholar

show all references

References:
[1]

P. Beelen and T. Høholdt, The decoding of algebraic geometry codes,, in, 5 (2008), 99.   Google Scholar

[2]

D. Cox, J. Little and D. O'Shea, "Using Algebraic Geometry,'', Springer, (1998).   Google Scholar

[3]

I. M. Duursma, Algebraic geometry codes: general theory,, in, 5 (2008), 99.   Google Scholar

[4]

D. Ehrhard, "Über das Dekodieren algebraisch-geometrischer Codes,'' Dissertation,, Universität Düsseldorf, (1991).   Google Scholar

[5]

J. I. Farrán, Decoding algebraic geometry codes by the key equation,, Finite Field Appl., 6 (2000), 207.  doi: 10.1006/ffta.1999.0274.  Google Scholar

[6]

G. L. Feng and T. R. N. Rao, Decoding algebraic-geometric codes up to the designed distance,, IEEE Trans. Inform. Theory, 39 (1993), 37.  doi: 10.1109/18.179340.  Google Scholar

[7]

V. D. Goppa, Codes on algebraic curves,, Dokl. Akad. Nauk SSSR, 259 (1981), 1289.   Google Scholar

[8]

V. Guruswami and M. Sudan, Improved decoding of Reed-Solomon and algebraic-geometric codes,, in, (1998).   Google Scholar

[9]

T. Høholdt, J. H. van Lint and R. Pellikaan, On the decoding of algebraic-geometric codes,, IEEE Trans. Inform. Theory, 41 (1995), 1589.  doi: 10.1109/18.476214.  Google Scholar

[10]

T. Høholdt, J. H. van Lint and R. Pellikaan, Algebraic geometry codes,, in, 1 (1998), 871.   Google Scholar

[11]

J. Justesen, K. Larsen, H. Jensen and T. Høholdt, Fast decoding of codes from algebraic plane curves,, IEEE Trans. Inform. Theory, 38 (1992), 111.  doi: 10.1109/18.108255.  Google Scholar

[12]

S. Kampf, Bounds on collaborative decoding of interleaved Hermitian codes with a division algorithm and virtual extension,, 3ICMCTA Special Issue of Designs, (2012).   Google Scholar

[13]

S. Kampf, M. Bossert and S. Bezzateev, Some results on list decoding of interleaved Reed-Solomon codes with the extended euclidean elgorithm,, in, (2008), 31.   Google Scholar

[14]

S. Kampf, M. Bossert and I. I. Bouw, Solving the key equation for Hermitian codes with a division algorithm,, in, (2011), 1008.   Google Scholar

[15]

D. A. Leonard, A generalized Forney formula for algebraic-geometric codes,, IEEE Trans. Inform. Theory, 42 (1996), 1263.  doi: 10.1109/18.508855.  Google Scholar

[16]

F. J. MacWilliams and N. J. A. Sloane, "The Theory of Error-Correcting Codes,'', North-Holland Mathematical Library, (1988).   Google Scholar

[17]

M. O'Sullivan and M. Bras-Amorós, The key equation for one-point codes,, in, 5 (2008), 99.   Google Scholar

[18]

S. C. Porter, B.-Z. Shen and R. Pellikaan, Decoding geometric Goppa codes using an extra place,, IEEE Trans. Inform. Theory, 38 (1992), 1663.  doi: 10.1109/18.165441.  Google Scholar

[19]

R. M. Roth, "Introduction to Coding Theory,'', Cambridge University Press, (2006).   Google Scholar

[20]

S. Sakata, J. Justesen, Y. Madelung, H. Elbrønd and T. Høholdt, Fast decoding of algebraic-geometric codes up to the designed minimum distance,, IEEE Trans. Inform. Theory, 41 (1995), 1672.  doi: 10.1109/18.476240.  Google Scholar

[21]

B.-Z. Shen, Solving a congruence on a graded algebra by a subresultant sequence and its application,, J. Symbolic Comput., 14 (1992), 505.  doi: 10.1016/0747-7171(92)90020-5.  Google Scholar

[22]

A. Skorobogatov and S. G. Vlăduţ, On the decoding of algebraic-geometric codes,, IEEE Trans. Inform. Theory, IT-36 (1990), 1051.  doi: 10.1109/18.57204.  Google Scholar

[23]

H. Stichenoth, "Algebraic Function Fields and Codes,'' 2nd edition,, Springer-Verlag, (2009).   Google Scholar

[24]

M. A. Tsfasman and S. G. Vlăduţ, "Algebraic-Geometric Codes,'', Kluwer Academic Publishers Group, (1991).   Google Scholar

[25]

M. A. Tsfasman and S. G. Vlăduţ and T. Zink, Modular curves, Shimura curves and Goppa codes better than the Varshmov-Gilbert bound,, Math. Nachr., 109 (1982), 21.  doi: 10.1002/mana.19821090103.  Google Scholar

[26]

K. Yang and P. V. Kumar, On the true minimal distance of Hermitian codes,, in, (1992), 99.  doi: 10.1007/BFb0087995.  Google Scholar

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