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Rayleigh fading

Analytical Matched Filter Bound for M-QAM Hierarchical Constellations with Diversity Reception in Multipath Rayleigh Fading Channels

Analytical Matched Filter Bound for M-QAM Hierarchical Constellations with Diversity Reception in Multipath Rayleigh Fading Channels

... multipath Rayleigh fading channels were obtained in [6]–[9] and were extended to QAM in ...multipath Rayleigh fading channels, where the different paths and receive antennas can be ...

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Improving 3D-Turbo Code's BER Performance with a BICM System over Rayleigh Fading Channel

Improving 3D-Turbo Code's BER Performance with a BICM System over Rayleigh Fading Channel

... In 1993, Claude Berrou invented Turbo code, which is one of Shannon-limit approaching channel codes [1]. Due to its excellent convergence performance in the waterfall region, it has been adopted in many communication ...

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Analysis and comparison of the 4-PSK and 8-PSK STTC over Rayleigh fading Channels for determining Performance

Analysis and comparison of the 4-PSK and 8-PSK STTC over Rayleigh fading Channels for determining Performance

... over Rayleigh fading that realizes the benefits of multiple transmit and receive ...correlated Rayleigh fading ...over Rayleigh fading Channels for determining ...

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Performance analysis of partial relay selection in cooperative spectrum sharing systems

Performance analysis of partial relay selection in cooperative spectrum sharing systems

... signal fading caused by the multipath ...of fading channels, such as Generalized Gamma (or α − µ), Nakagami-m, and ...considering Rayleigh fading channels, closed-form expressions for the ...

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Fast algorithm for radio propagation modeling in realistic 3-D urban environment

Fast algorithm for radio propagation modeling in realistic 3-D urban environment

... = 1 Eq. (11) leads again to the Rayleigh fading calculated in Eq. (8) as proposed in Kostov (2003). The variable K is called Ricean k factor and rather describes the relation between the signal of the line ...

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eve carfernandes transmit

eve carfernandes transmit

... Abstract— This paper evaluates the outage performance of multiuser relay networks in which the source and each one of the destinations are equipped with multiple antennas and employ beamforming techniques. More ...

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Design and Performance Evaluation of Combined Adaptive Beamformer and Rake Receiver for WCDMA Uplink

Design and Performance Evaluation of Combined Adaptive Beamformer and Rake Receiver for WCDMA Uplink

... Simulink Rayleigh fading and the additive white Gaussian noise (AWGN) blocks, see ...Simulink Rayleigh fading channel block parameter field enables the manipulation of the “Maximum Doppler ...

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Unified Analysis of Two-Hop Cooperative Amplify-and-Forward Multi-Relay Networks

Unified Analysis of Two-Hop Cooperative Amplify-and-Forward Multi-Relay Networks

... either Rayleigh or Nakagami-m channels, or the authors’ resort to asymptotic analysis, or develop performance ...generalized fading environment with independent but non-identically distributed ...(i.n.d) ...

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Insights on Error-Resilient Image Transmission Schemes on Wireless Network

Insights on Error-Resilient Image Transmission Schemes on Wireless Network

... Although there are various techniques of Turbo codes adopted by researchers till date, we will only discuss the significant image transmission processes using turbo codes published between 2010-2016. The most recent ...

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Physical Layer Secrecy Performance Analysis over Rayleigh/Nakagami Fading Channels

Physical Layer Secrecy Performance Analysis over Rayleigh/Nakagami Fading Channels

... We consider the system as illustrated in Fig. 1. Alice and Bob are two legitimate users of the SISO system. Alice wants to send messages to Bob, while Eve is a passive eavesdropper which tries to extract information from ...

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Modulação quantizada para sistemas com codificação wavelet sujeitos ao desvanecimento rayleigh

Modulação quantizada para sistemas com codificação wavelet sujeitos ao desvanecimento rayleigh

... multipath fading effects, which are characterized by fluctuations in the intensity of the transmitted signals over wireless ...over Rayleigh fading ...

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Análise da dispersão de ondas de superficie na Provincia Borborema, Nordeste do Brasil

Análise da dispersão de ondas de superficie na Provincia Borborema, Nordeste do Brasil

... A Prov´ıncia Borborema, Nordeste do Brasil, tem sua estrutura interna investigada por diferen- tes m´etodos geof´ısicos: gravim´etricos, magn´eticos e s´ısmicos. Adicionalmente, muitos estudos geol´ogicos foram levados a ...

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Investigating the performance of single- and multichannel wireless receivers in generic-K fading channels

Investigating the performance of single- and multichannel wireless receivers in generic-K fading channels

... Signal transmission over slow, frequency-nonselective generic-K shadowed fading channel is assumed. The baseband representation of the received signal is given by y sx n   , where s is the transmitted baseband ...

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Viscous Potential Flow Analysis of Electrohydrodynamic Rayleigh-Taylor Instability

Viscous Potential Flow Analysis of Electrohydrodynamic Rayleigh-Taylor Instability

... as Rayleigh- Taylor instability (Chandrasekhar, 1981 and Drazin, ...1981). Rayleigh-Taylor instability is first described mathematically by Rayleigh (1990) and Taylor (1950), who demonstrated that ...

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Adaptive MultireSolution Modulation for Multimedia Traffic over Nakagami Fading Channels

Adaptive MultireSolution Modulation for Multimedia Traffic over Nakagami Fading Channels

... of fading, the approach adapts not only the alphabet size but also the priority parameters (a set of parameters, instead of a single parameter as in [6]) of the hierarchical signal constellation, which control the ...

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Implementação de um sistema para simulação por Monte Carlo da passagem de fotões através do olho humano mediante a utilização da plataforma GEANT4 - II

Implementação de um sistema para simulação por Monte Carlo da passagem de fotões através do olho humano mediante a utilização da plataforma GEANT4 - II

... Primeiramente, perspectivou-se uma validação da implementação feita com o GEANT4 através da comparação com o método MCML, já bem descrito e aprovado na comunidade científica. Foram realizados, por isso, três testes que, ...

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OPTIMIZATION OF RAYLEIGH WAVE DATA INVERSION BY A TRIAL AND ERROR METHOD

OPTIMIZATION OF RAYLEIGH WAVE DATA INVERSION BY A TRIAL AND ERROR METHOD

... Surface waves were classified as undesirable noise in seismic methods as refraction and reflection, but the physical description of these waves has allowed its use in news methods as the Seis- mic Spectral Analysis of ...

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Simultaneous recordings of ocular microtremor and microsaccades with a piezoelectric sensor and a video-oculography system

Simultaneous recordings of ocular microtremor and microsaccades with a piezoelectric sensor and a video-oculography system

... We mounted the piezoelectric sensor on the EyeLink II helmet to record eye position simultaneously with the two systems (Fig. 1A). Each subject laid supine on a hospital bed, looking up at a horizontally down-facing LCD ...

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Performance Analysis of a Cooperative Diversity Scheme in Rician Fading Channel

Performance Analysis of a Cooperative Diversity Scheme in Rician Fading Channel

... An analyis of a cooperative diversity system in the presence of Rician fading is considered in this paper. It was shown that the analytical results are in great accordance with the ones obtained by Monte-Carlo ...

3

Numerical simulation of helical-vortex effects in Rayleigh-Bénard  convection

Numerical simulation of helical-vortex effects in Rayleigh-Bénard convection

... Abstract. A numerical approach is substantiated for search- ing for the large-scale alpha-like instability in thermoconvec- tive turbulence. The main idea of the search strategy is the application of a forcing function ...

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