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On Raptor Code Design for Inactivation Decoding

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3 Author(s)
Mahdaviani, K. ; Dept. of Elec. & Comp. Eng., Univ. of Alberta, Edmonton, AB, Canada ; Ardakani, M. ; Tellambura, C.

Based on a new vision of the inactivation decoding process, we set a new degree distribution design criterion for the LT part of Raptor codes. Under an infinite block length assumption, a family of degree distributions that satisfy the new design criterion is analytically derived. The finite length performance of this family is investigated by using computer simulations and is shown to outperform the conventional design.

Published in:

Communications, IEEE Transactions on  (Volume:60 ,  Issue: 9 )