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arxiv: 1408.2660 · v1 · pith:4TKXWRJXnew · submitted 2014-08-12 · 💻 cs.IT · math.IT

LT Code Design for Inactivation Decoding

classification 💻 cs.IT math.IT
keywords decodingcodedegreedistributioninactivationmodelaccurateaiming
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We present a simple model of inactivation decoding for LT codes which can be used to estimate the decoding complexity as a function of the LT code degree distribution. The model is shown to be accurate in variety of settings of practical importance. The proposed method allows to perform a numerical optimization on the degree distribution of a LT code aiming at minimizing the number of inactivations required for decoding.

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