Search Results - "stochastic gradient adaptive algorithms"

Stochastic gradient adaptive algorithms for blind source separation by Dapena, Adriana, Castedo, Luis

“…The aim in blind source separation is to separate linear mixtures of statistically independent non-Gaussian signals without resorting to an a priori knowledge…”
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On the selection of optimal nonlinearities for stochastic gradient adaptive algorithms by Al-Naffouri, T.Y., Sayed, A.H., Kailath, T.

“…This paper derives an expression for the optimal error nonlinearity in adaptive filter design. Using an energy conservation relation, and some typical…”
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On the Properties of the System Mismatch Covariance Matrix in the LMS Adaptive Algorithm by Dogariu, Laura-Maria, Ciochina', Silviu, Paleologu, Constantin

“…Ahstract-The system mismatch covariance matrix is of major interest in some of the optimization approaches of the least-mean-square type adaptive algorithms…”
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A Communication Method between High-speed UUV and Distributed Intelligent Nodes by Ma, Xuefei, Wang, Bo, Li, Lei, Wang, Tingting, Hu, Pengpeng, Lin, Yun

“…In this paper, a doppler distortion compensation method for underwater transmission of OFDM (Orthogonal Frequency Division Multiplexing) signals is proposed,…”
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Improvement of Convergence Property on Adaptive Wiener Filter Using Stochastic Gradient Adaptive Algorithm by Saika, Ryota, Iwai, Kenta, Kajikawa, Yoshinobu

“…An adaptive Volterra filter (AVF) is one of the identification methods to identify Volterra kernels of a target nonlinear system via any adaptive algorithm…”
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Fast Converging Semi-Blind Space-Time Equalisation for Dispersive QAM MIMO Systems by Chen, S., Hanzo, L.

“…A novel semi-blind space-time equaliser (STE) is proposed for dispersive multiple-input multiple-output systems that employ high-throughput quadrature…”
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A true stochastic gradient adaptive algorithm for applications using nonlinear actuators by Costa, M.H., Bermudez, J.C.M.

“…This work considers the practical situation where adaptive systems are subject to a saturation nonlinearity at the output of the adaptive filter. Such is the…”
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Adaptive MBER decision feedback multiuser receivers in frequency selective fading channels by de Lamare, R.C., Sampaio-Neto, R.

“… We examine stochastic gradient adaptive algorithms and introduce fast algorithms for minimizing the BER cost function from training data…”
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Reply to "Comments on `A Blind Signal Separation Method for Multiuser Communications'" by Castedo, L., Dapena, A., Escudero, C.

“… Also, we recall that two of the authors put forward (Dapena and Castedo ["Stochastic gradient adaptive algorithms for blind source separation", Elsevier Signal Processing, vol. 75, pp. 11-27…”
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Blind adaptive reduced-rank estimation based on the constant modulus criterion and diversity combined decimation and interpolation by de Lamare, R.C., Sampaio-Neto, R., Haardt, M.

“…) criterion, introduce alternative decimation structures, including the optimal decimation scheme, and develop low-complexity stochastic gradient adaptive algorithms for the proposed structure…”
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Adaptive minimum symbol-error-rate decision feedback equalization for multilevel pulse-amplitude modulation by Sheng Chen, Hanzo, L., Mulgrew, B.

“…The design of decision feedback equalizers (DFEs) is typically based on the minimum mean square error (MMSE) principle as this leads to effective adaptive…”
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A reduced-rank approach to adaptive linearly constrained minimum variance beamforming based on joint iterative optimization of adaptive filters by de Lamare, R.C., Lowe, M.J.

“… that operates at the output of the bank of filters. We describe LCMV expressions for the design of the projection matrix and the reduced-rank filter and low-complexity stochastic gradient adaptive algorithms for their efficient implementation…”
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Adaptive filters based on the high order error statistics by Sung Ho Cho, Sang Duck Kim

“…This paper presents convergence analyses of the stochastic gradient adaptive algorithms based on high order error power criteria…”
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Mean-square analysis of the multiple-error and block LMS adaptive algorithms by Douglas, S.C.

“…Stochastic-gradient adaptive algorithms for block-based or frequency-domain single channel filters and for true multichannel filters share a common multiple-error LMS algorithm update, given by W/sub k+1/=W/sub k/+/spl mu/X/sub k…”
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Performance and VLSI implementation of novel adaptive filtering algorithms by Evans, Joseph B

“… Algorithms for simplifying and improving the performance of stochastic gradient adaptive algorithms are presented and analyzed…”
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Adaptive minimum-BER linear multiuser detection for DS-CDMA signals in multipath channels by Sheng Chen, Samingan, A.K., Mulgrew, B., Hanzo, L.

“…) from training data, a least mean squares (LMS) style stochastic gradient adaptive algorithm is developed for training linear multiuser detectors…”
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A modified multitarget adaptive array algorithm for wireless CDMA system by Liu, Yun-hui, Yang, Yu-hang

“… (BER) of code division multiple access (CDMA) mobile communication system. In order to achieve adaptive update of weight vectors, a stochastic gradient adaptive…”
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ICI Suppression of Underwater Acoustic OFDM Signal Transmission by Differential Multichannel Detection by Ma, Xuefei, Wang, Bo, Li, Yang, Hu, Pengpeng, Wang, Tingting, Wang, Guan

“… (Taylor)-FFT decomposition channel. A stochastic gradient adaptive algorithm is designed to learn the combination of detection weights…”
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Convergence and steady-state behavior of a phase-splitting fractionally spaced equalizer by Ling, F., Qureshi, S.U.H.

“…) stochastic gradient adaptive algorithm is half that of a symbol rate equalizer (SRE) or a complex fractionally spaced equalizer (CFSE…”
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Adaptive minimum bit error rate multitarget array algorithm by Yunhui Liu, Yuhang Yang

“… (BER) of code division multiple access (CDMA) mobile communication system. In order to achieve adaptive update of weight vectors, a stochastic gradient adaptive…”
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