GGD model of extrinsic information with dynamic parameter assignment for turbo decoder.

This letter proposes a strategy using a generalized Gaussian distribution (GGD) to characterize the extrinsic information generated from the constituent maximum a posteriori (MAP) decoders in order to improve the performance of an iterative turbo decoder for finite block lengths. A matching techniqu...

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Vydáno v:	IEEE Transactions on wireless communications 3, 5 (2004).
Hlavní autor:	Fengfan Yang
Médium:	Článek
Jazyk:	English
Témata:	Rayleigh-fading channel. Additive white Gaussian noise channel. Finite block length. Generalized Gaussian distribution. Iterative turbo decoder. Matching technique. Maximum a posteriori decoder.