Lesson plan
Tanner graph
In coding theory, a Tanner graph is a bipartite graph that can be used to express constraints (typically equations) that specify an error correcting code. Tanner graphs play a central role in the design and decoding of low-density parity-check codes. They have also been applied to the construction of longer codes from smaller ones. Both encoders and decoders employ these graphs extensively.
Article summary
In coding theory, a Tanner graph is a bipartite graph that can be used to express constraints (typically equations) that specify an error correcting code. Tanner graphs play a central role in the design and decoding of low-density parity-check codes. They have also been applied to the construction of longer codes from smaller ones. Both encoders and decoders employ these graphs extensively.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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