Raptor codes

@article{Shokrollahi2006RaptorC,
  title={Raptor codes},
  author={Amin Shokrollahi},
  journal={IEEE Trans. Inf. Theory},
  year={2006},
  volume={52},
  pages={2551-2567}
}
LT-codes are a new class of codes introduced by Luby for the purpose of scalable and fault-tolerant distribution of data over computer networks. In this paper, we introduce Raptor codes, an extension of LT-codes with linear time encoding and decoding. We will exhibit a class of universal Raptor codes: for a given integer k and any real ε > 0, Raptor codes in this class produce a potentially infinite stream of symbols such that any subset of symbols of size k(1 + ε) is sufficient to recover the… 
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