Construct · 1 fields · 1 citations

fountain: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
fountain1 CONSTRUCTFountain codeLUBY · RATELESS

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Coding theory

a rateless erasure code producing a limitless packet stream, from any large enough subset of which the message is rebuilt.

In coding theory, a fountain code is a rateless erasure code that can generate a limitless stream of encoded packets from a source message, such that a receiver can reconstruct the whole message once it has collected any sufficiently large subset of them; like filling a cup from a fountain, it does not matter which drops you catch. Luby's 2002 LT codes gave the first practical, efficient fountain code. The referent is a class of channel codes for erasure channels, defined by reception overhead and decoding cost, sharing only the word with a press's ink fountain.[1]

Unit
The reception overhead needed to recover a message from encoded packets
Recovery means
Not applicable
Measured by
Characterised by the decoding overhead (fraction of extra packets needed) and the encoding and decoding complexity

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Nearby constructs

assembly1 fields · 1 citationsanchor · a standalone constructboilover1 fields · 2 citationsanchor · a single construct in fire safetycatch2 fields · 3 citationsjingle · one word, two constructs

References

  1. Luby, M. (2002). LT codes. In Proceedings of the 43rd Annual IEEE Symposium on Foundations of Computer Science (pp. 271–280). IEEE. https://doi.org/10.1109/SFCS.2002.1181950

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