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Communication over finite-field matrix channels

Published: 01 March 2010 Publication History

Abstract

This paper is motivated by the problem of error control in network coding when errors are introduced in a random fashion (rather than chosen by an adversary). An additive-multiplicative matrix channel is considered as a model for random network coding. The model assumes that n packets of length m are transmitted over the network, and up to t erroneous packets are randomly chosen and injected into the network. Upper and lower bounds on capacity are obtained for any channel parameters, and asymptotic expressions are provided in the limit of large field or matrix size. A simple coding scheme is presented that achieves capacity in both limiting cases. The scheme has decoding complexity O(n2m) and a probability of error that decreases exponentially both in the packet length and in the field size in bits. Extensions of these results for coherent network coding are also presented.

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Cited By

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  • (2021)On the decoding of the sum of Gabidulin codes2021 IEEE International Symposium on Information Theory (ISIT)10.1109/ISIT45174.2021.9517869(166-171)Online publication date: 12-Jul-2021
  • (2019)Rank-Metric Codes Over Finite Principal Ideal Rings and ApplicationsIEEE Transactions on Information Theory10.1109/TIT.2019.293352065:12(7718-7735)Online publication date: 19-Nov-2019

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cover image IEEE Transactions on Information Theory
IEEE Transactions on Information Theory  Volume 56, Issue 3
March 2010
529 pages

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IEEE Press

Publication History

Published: 01 March 2010
Revised: 01 June 2009
Received: 09 July 2008

Author Tags

  1. Error correction
  2. error correction
  3. error trapping
  4. matrix channels
  5. network coding
  6. one-shot codes
  7. probabilistic error model

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View all
  • (2021)On the decoding of the sum of Gabidulin codes2021 IEEE International Symposium on Information Theory (ISIT)10.1109/ISIT45174.2021.9517869(166-171)Online publication date: 12-Jul-2021
  • (2019)Rank-Metric Codes Over Finite Principal Ideal Rings and ApplicationsIEEE Transactions on Information Theory10.1109/TIT.2019.293352065:12(7718-7735)Online publication date: 19-Nov-2019

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