Multishot Codes for Network Coding using Rank-Metric Codes

Details Multishot Codes for Network Coding using Rank-Metric Codes Multishot Codes for Network Coding using Rank-Metric Codes

2010-01-13

arxiv.org/abs/1001.2059v2

Computer Science

Information Theory

6 pages, 4 figures. Replaced the extended injection distance (and doubtful unproven statements about it) with the extended sub

Scientific paper

The multiplicative-additive finite-field matrix channel arises as an adequate model for linear network coding systems when links are subject to errors and erasures, and both the network topology and the network code are unknown. In a previous work we proposed a general construction of multishot codes for this channel based on the multilevel coding theory. Herein we apply this construction to the rank-metric space, obtaining multishot rank-metric codes which, by lifting, can be converted to codes for the aforementioned channel. We also adapt well-known encoding and decoding algorithms to the considered situation.

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