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Decoding Algorithms for Random Linear Network Codes

Abstract : We consider the problem of efficient decoding of a random linear code over a finite field. In particular we are interested in the case where the code is random, relatively sparse, and use the binary finite field as an example. The goal is to decode the data using fewer operations to potentially achieve a high coding throughput, and reduce energy consumption. We use an on-the-fly version of the Gauss-Jordan algorithm as a baseline, and provide several simple improvements to reduce the number of operations needed to perform decoding. Our tests show that the improvements can reduce the number of operations used during decoding with 10-20% on average depending on the code parameters.
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Submitted on : Thursday, September 14, 2017 - 4:48:08 PM
Last modification on : Tuesday, April 24, 2018 - 4:16:53 PM
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Janus Heide, Morten V. Pedersen, Frank Fitzek. Decoding Algorithms for Random Linear Network Codes. International IFIP TC 6 Workshops PE-CRN, NC-Pro, WCNS, and SUNSET 2011 Held at NETWORKING 2011 (NETWORKING), May 2011, Valencia, Spain. pp.129-136, ⟨10.1007/978-3-642-23041-7_13⟩. ⟨hal-01587835⟩



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