2008•Experiment Science and TechnologyRequires access

Turbo Equalization Algorithm with Low Complexity

Guixian Yang

Abstract

Turbo equalization is used to reduce and eliminate intersymbol interference(ISI),which is a technique that combines Turbo principle with equalization.This article focuses on exploring a low-complexity Turbo equalization based on MMSE criteria.and furthers on the study of the performance of BER of the low-complexity Turbo equalization in two different Proakis channels.Simulation results demonstrate that the performance of BER of the low-complexity Turbo equalization is improved significantly with the increases of SNR.It also shows that the performance of BER is improved by several iterations,while the improvement of BER through iteration diminishes after certain times of iteration.

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Available abstract

Key concepts: Turbo, Equalization (audio), Turbo equalizer, Intersymbol interference, Computer science, Turbo code, Algorithm, Interference (communication)