In information theory, an erasure code is a forward error correction (FEC) code for the binary erasure channel, which transforms a message of k symbols into a longer message (code word) with n symbols such that the original message can be recovered from a subset of the n symbols. The fraction r=k/n is called the code rate, the fraction k’/k, where k’ denotes the number of symbols required for recovery, is called reception efficiency.
Read more about Erasure Code: Optimal Erasure Codes, Near-optimal Erasure Codes
Famous quotes containing the word code:
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—Anne C. Weisberg (20th century)