Anais De XXXVI Simpósio Brasileiro De Telecomunicações E Processamento De Sinais 2018
DOI: 10.14209/sbrt.2018.207
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On Equalization Performance in Underwater Acoustic Communication

Abstract: This paper presents the results of a practical experiment of underwater acoustic transmission, which was performed in Arraial do Cabo, RJ. The primary focus of this experiment is analyzing the performance of different types of equalizers, namely: zero-forcing (ZF), minimum mean square error (MMSE) and decision feedback equalizer (DFE). The mean square error (MSE) and bit-error rate (BER) are the figures of merit used to compare their performances. Results show that in terms of MSE, the DFE has better performan… Show more

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Cited by 2 publications
(4 citation statements)
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“…To further improve the performance, the mean-square error decision-feedback equalizer (MSE-DFE) was investigated, which uses a linear predictor and a feedback filter to whiten the noise at the output. Due to its complex structure and design, MSE-DFE is rarely used in UOWC systems but is widely used in UAC systems [107][108][109]. In summary, signal processing techniques that rely on non-machine learning equalizers are widely used in UOWC systems.…”
Section: Signal Processing Techniquesmentioning
confidence: 99%
“…To further improve the performance, the mean-square error decision-feedback equalizer (MSE-DFE) was investigated, which uses a linear predictor and a feedback filter to whiten the noise at the output. Due to its complex structure and design, MSE-DFE is rarely used in UOWC systems but is widely used in UAC systems [107][108][109]. In summary, signal processing techniques that rely on non-machine learning equalizers are widely used in UOWC systems.…”
Section: Signal Processing Techniquesmentioning
confidence: 99%
“…In the following, we show the operational framework in action. The goal is to use this framework to reproduce the results from the fourth experimental transmission, which is detailed in [43].…”
Section: Operational Framework In Actionmentioning
confidence: 99%
“…For the simulation, we used a modified version of the UWA transceiver model [43] employed in the practical transmission, as depicted in Fig. 11.…”
Section: Operational Framework In Actionmentioning
confidence: 99%
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