2019
DOI: 10.1587/nolta.10.106
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Enhancing a BPSK receiver by employing a practical parallel network with Stochastic resonance

Abstract: Stochastic resonance (SR) is a noise-enhancement phenomenon that enables the detection of sub-threshold signals by adding noise and using nonlinear systems. This paper explores the applicability of SR in a BPSK receiver with sub-threshold signals. Although received signals are amplified as a result of the nonlinear behavior of the receiver, they are somewhat distorted. This results in the lower performance of SR receivers in comparison with linear receivers. Employing a parallel network of SR systems is expect… Show more

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Cited by 21 publications
(16 citation statements)
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“…Over the past few decades, resonance and synchronisation phenomena in various kinds of non-linear systems, such as chemical, biological, and electrical circuit systems, have been widely investigated 1 – 3 . It is known that these resonance phenomena and the existence of fluctuations may enhance system functionalities 4 11 . In particular, fluctuations in neural activity, such as noise and chaos, are widely observed at several hierarchical levels–from the intra-neuronal level to brain activity levels–and could enhance neural information processing 12 – 14 .…”
Section: Introductionmentioning
confidence: 99%
“…Over the past few decades, resonance and synchronisation phenomena in various kinds of non-linear systems, such as chemical, biological, and electrical circuit systems, have been widely investigated 1 – 3 . It is known that these resonance phenomena and the existence of fluctuations may enhance system functionalities 4 11 . In particular, fluctuations in neural activity, such as noise and chaos, are widely observed at several hierarchical levels–from the intra-neuronal level to brain activity levels–and could enhance neural information processing 12 – 14 .…”
Section: Introductionmentioning
confidence: 99%
“…Among these phenomena, stochastic resonance is a phenomenon in which the effects of additive noise strengthen the signal response against weak input signals in the non-linear systems with a specific barrier or threshold [7][8][9] (as reviewed in [1,2,4,10,11]). Recent studies on stochastic resonance have been conducted considering various engineering applications, such as biomedical engineering [12,13], telecommunications [14], and memory storing mechanisms [15][16][17]. Considering the biological systems in particular, Kurita et al developed a wearable device that enhances the tactile sensitivity of a surgeon's hands by applying appropriate vibrations [12,13].…”
Section: Introductionmentioning
confidence: 99%
“…To address this problem, we focused on the stochastic resonance phenomenon [7]- [11] and proposed some methods to apply it to communication technology [12]- [17]. Stochastic resonance is a type of nonlinear phenomenon in which the response characteristics of a system improve as its noise intensity increases.…”
Section: Introductionmentioning
confidence: 99%