Turbo decoder stopping based on mean and variance of extrinsics

Details Turbo decoder stopping based on mean and variance of extrinsics Turbo decoder stopping based on mean and variance of extrinsics

2005-04-12

2005-04-12

Chin, Stephen (Department: 2634)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C714S752000, C714S786000

Reexamination Certificate

active

06879648

ABSTRACT:
An adaptive stopping criterion improvement for an iterative decoder, in which iteration is halted by observing a signal-to-noise ratio generated from the mean and variance of the soft estimates (or their divergence).

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“Turbo decoder” Wangrok Oh; Kyungwhoon Cheun; Communications Letters, IEEE , vol.: 4 , Issue: 8 , Aug. 2000 pp.:255-257.*
K. Gracie, S. Crozier, and A. Hunt, “Performance of a Low-Complexity Turbo Decoder with a Simple Early Stopping Criterion Implemented on a SHARC Processor”, IMSC 99, Proceedings of the Sixth International Mobile Satellite Conference, Ottawa, Ontario, Ca.*
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Concatenated Convolutional Codes with Interleavers; Sergio Benedetto, Guido Montorsi, CERCOM Aug. 2003 IEEE Communications Magazine.

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