Publications-Detail

The EXIT-Characteristic of Softbit-Source Decoders

Authors:
Adrat, M. ,  Brauers, J. ,  Clevorn, T.Vary, P.
Journal:
(IEEE COML)
Volume:
9
Page(s):
540 - 542
number:
6
Date:
Jun. 2005
Language:
English

Abstract

We outline a new technique to compute the EXITcharacteristic of softbit-source decoders analytically without extensive histogram measurements. Based on the analytic considerations it is straightforward to derive a compact determination rule for the maximum value of attainable extrinsic information. We also show that the area under the EXIT-characteristic grows almost logarithmically with the prediction gain which is utilizable due to the residual redundancy in the source data.

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