A perpetual code for network coding

Research output: Contribution to book/conference proceedings/anthology/reportConference contributionContributedpeer-review

Contributors

  • Janus Heide - , Aalborg University (Author)
  • Morten V. Pedersen - , Aalborg University (Author)
  • Frank H.P. Fitzek - , Aalborg University (Author)
  • Muriel Médard - , Massachusetts Institute of Technology (MIT) (Author)

Abstract

Random Linear Network Coding (RLNC) provides a theoretically efficient method for coding. The drawbacks associated with it are the complexity of the decoding and the overhead resulting from the coding vector. This adds to the overall energy consumption and is problematic for computational limited and battery driven platforms. In this work we present an approach to RLNC where the code is sparse and non-uniform. The sparsity allow for fast encoding and decoding, and the non- uniform protection of symbols enables recoding where the produced symbols are indistinguishable from those encoded at the source. The results show that the approach presented here provides a better trade- off between coding throughput and code overhead. In particular it can provide a coding overhead identical to RLNC but at significantly reduced computational complexity. It also allow for easy adjustment of this trade-off, which make it suitable for a broad range of platforms and applications. Finally it is easy to perform recoding and coding vectors can be efficiently represented.

Details

Original languageEnglish
Title of host publication2014 IEEE 79th Vehicular Technology Conference (VTC Spring)
Pages1-6
ISBN (electronic)978-1-4799-4482-8
Publication statusPublished - 2014
Peer-reviewedYes
Externally publishedYes

Publication series

SeriesIEEE Vehicular Technology Conference
Volume2015-January
ISSN1550-2252

Conference

Title2014 79th IEEE Vehicular Technology Conference, VTC 2014-Spring
Duration18 - 21 May 2014
CitySeoul
CountryKorea, Republic of