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Turbo Equalization Technique and Application for Shortwave Communication

Csic Wuhan

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Abstract

This paper mainly discusses the principle and different algorithms on Turbo equalization , and compares the effect of different joint equalization and decoding algorithms and iterations on system performance over HF channel with severe ISI in the presence of known and mismatched channel parameters through simulations. Results show that the low-complex MMSE/SOVA algorithm obtains better bit error performance and robustness after several iteration , and can be implemented easily in project.

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What this paper is about

This paper mainly discusses the principle and different algorithms on Turbo equalization , and compares the effect of different joint equalization and decoding algorithms and iterations on system performance over HF channel with severe ISI in the presence of known and mismatched channel parameters through simulations. Results show that the low-complex MMSE/SOVA algorithm obtains better bit error performance and robustness after several iteration , and can be implemented easily in project.

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Available abstract

This paper mainly discusses the principle and different algorithms on Turbo equalization , and compares the effect of different joint equalization and decoding algorithms and iterations on system performance over HF channel with severe ISI in the presence of known and mismatched channel parameters through simulations. Results show that the low-complex MMSE/SOVA algorithm obtains better bit error performance and robustness after several iteration , and can be implemented easily in project.

Key concepts: Turbo, Computer science, Turbo code, Robustness (evolution), Turbo equalizer, Equalization (audio), Decoding methods, Shortwave

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