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.Download
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