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A Low-Complexity Scheduling for Turbo Equalization with Turbo Decoding

Authors: André Fonseca dos Santos; Wolfgang Rave; Gerhard P. Fettweis;

A Low-Complexity Scheduling for Turbo Equalization with Turbo Decoding

Abstract

A novel scheduling for turbo equalization with turbo decoding is proposed. The use of turbo codes associated to turbo equalizers has been frequently investigated in the literature. The conventional turbo equalizer with turbo decoding consists of a soft input soft output equalizer cooperating with a turbo decoder. In this way, the turbo decoder performs several iterations at each turbo equalizer iteration. The proposal here is a new scheduling procedure for the association of an equalizer and a turbo decoder. At each turbo equalizer iteration, only the decoding of a single component code of the turbo code is performed. The component decoders are connected through the turbo equalizer iterations, in such a way that when two turbo equalizer iterations are executed, a complete turbo decoding iteration is performed. The advantage of this system lies in the complexity reduction, since its complexity is given by the sum of the complexity of the equalizer with only a single component decoder.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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