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Joachim Hagenauer

The turbo-principle

We discuss recent progress in transmission theory, especially coding theory and practice, 50 years after the creation of information theory by Claude E. Shannon. Due to the invention of turbo-decoding in 1993, the limits set by Shannon´s channel coding theory have been almost reached. The turbo-principle is far more reaching than decoding of concatenated codes as originally proposed. We reference examples in serial concatenation, equalization, multiuser detection, CDMA and interference cancellation where the turbo feedback is beneficial. The next step is to use analog networks with feedback for decoding, a step back (or forward?) to analog signal processing.

it – Information Technology (vormals it+ti), Oldenbourg Wissenschaftsverlag

Print ISSN: 1611-2776
Volume: 41, 01/1999
Pages: 25

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