Nonlinear distortion effects
An iterative detection technique for DS-CDMA signals with strong nonlinear distortion effects
... In this section we present a set of performance results concerning our improved receivers where an iterative cancela- tion of deliberate nonlinear distortion effects is carried out. The data symbols ...
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Joint turbo equalization and cancelation of nonlinear distortion effects in MC-CDMA signals
... the nonlinear distortion effects can be se- vere when a low-PMEPR transmission is intended [7, ...the nonlinear distortion effects are iteratively estimated and ...
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Joint multiuser detection and cancelation of nonlinear distortion effects for the uplink of MC-CDMA systems
... In this paper we consider the uplink transmission in MC- CDMA systems (MultiCarrier Coded Division Multiple Ac- cess). To reduce the envelope fluctuations of the transmitted signals, the MC-CDMA signal associated to each ...
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Turbo equalization with cancellation of nonlinear distortion effects for CP-Assisted and Zero-Padded MC-CDMA signals
... It should be pointed out that performances could be im- proved if the convolutional code was replaced by a more powerful turbo code, provided that the data blocks were larger (naturally, this could mean splitting each ...
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Iterative detection of multicode DS-CDMA signals with strong nonlinear distortion effects
... regrowth effects the clipping and filtering operations can be repeated several ...to nonlinear distortion effects on the transmitted signals can be relatively high, especially when a very low ...
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Analytical Evaluation of Nonlinear Effects on OFDMA Signals
... with nonlinear transmission (either due to an imperfectly linear amplification or due to suitable signal processing schemes to reduce the envelope fluctuations of the transmitted signals), usually resorts to ...
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Turbo equalization with cancelation of nonlinear distortion for CP-assisted and zero-padded MC-CDM schemes
... case), since no signal is transmitted in the ZP region. Fig. 3 presents uncoded BER of IB-DFE receivers, for K = P = 16. Clearly the estimation and compensation of nonlinear distortion effects leads ...
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On the Optimum Multicarrier Performance With Memoryless Nonlinearities
... strong nonlinear distortion effects allows significant gains when compared with conven- tional, linear OFDM ...the nonlinear distortion or treat it as an unavoidable annoyance, but as ...
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CE-OFDM Schemes: Spectral Characterization and Optimum Performance
... by nonlinear distortion effects that can come either from a nonlinear amplification process or from nonlinear pre- processing ...introduces nonlinear distortion ...
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Approaching the Optimal Performance of Nonlinear OFDM With FWA Techniques
... a nonlinear process that may cause in-band signal distortion, resulting in BER performance degradation, and out-of-band noise, which reduces spectral ...the effects of PAPR but, in contrast, increase ...
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An Algorithm to Solve Separable Nonlinear Least Square Problem
... Separable Nonlinear Least Squares (SNLS) problem is a special class of Nonlinear Least Squares (NLS) problems, whose objective function is a mixture of linear and nonlinear ...
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Nonlinear dynamic analysis of nuclear fuels considering thermo–elastic–plastic–creep phenomena
... dynamic effects. The heat generation above 55% reac- tor power caused cladding instability, which then induced continuous expansion of the fuel rod ultimately leading to burst fuel rods. However, adopting the ...
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Radiol Bras vol.43 número2 en a09v43n2
... It was observed that many times the at- tendees visualized the radiological alter- ation, but could not describe it correctly; frequently, confusion between focal asym- metry and mass was observed, as well as the ...
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ALTERAÇÕES DOS MARCADORES INFLAMATÓRIOS, BIOQUÍMICOS E APTIDÃO FÍSICA EM MULHERES EM RECUPERAÇÃO DO CÂNCER DE MAMA APÓS TREINAMENTO RESISTIDO NÃO LINEAR: UM ESTUDO PILOTO MARCO AURÉLIO FERREIRA DE JESUS LEITE
... breast cancer (BC), such as high inflammatory process and dyslipidemia. To date, the effect of nonlinear periodized resistance training (NLRT) on inflammatory and biochemical variables in women recovering from CM ...
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Nonlinear effects of radio over fiber transmission in base station cooperation systems
... This paper considers the uplink of BS cooperation systems where each MT employs a SC-FDE modulation scheme [9]. The combined signals received at a given BS are sent to a CPU via RoF technology, in which the electro-optic ...
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Speech Distortion Minimized Noise Reduction Algorithm
... The decision about voice activity presence is the sensitive part of the whole spectral subtraction algorithm as the noise power estimation can be significantly degraded by the errors in voice activity detection. VAD ...
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Neurobiological basis of body image distortion
... Relatively little is known about the mechanisms underlying body image distortion in AN. A potential deficit in visual and tactile integration has been proposed. A study compared the size-weight illusion in ...
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Total Harmonics Distortion Investigation in Multilevel Inverters
... The sinusoidal PWM compares a high frequency triangular carrier with three sinusoidal reference signals, known as the modulating signals to generate the gating signals for the inverter switches. This is basically an ...
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Numerical approach about the effect of the corrosion on the mechanical capacity of the reinforced concrete beams considering material nonlinear models Abordagem numérica sobre o efeito da corrosão de armaduras na capacidade mecânica de vigas em concreto a
... The reinforcements’ corrosion is the most important phenomenon that cause the mechanical degradation of reinforced concrete structures along time. This phenomenon reduces the mechani- cal structural strength along time ...
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MULTIPLE SOLUTIONS FOR A PROBLEM WITH RESONANCE INVOLVING THE p-LAPLACIAN
... [15] L. Boccardo, P. Dr´ abek, M. Kuˇcera, Landesman-Lazer conditions for strongly non- linear boundary value problems, Comment. Math. Univ. Carolin. 30 (1989), 411–427. [16] A. Anane and J.-P. Gossez, Strongly ...
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