Channel estimation
Channel estimation in MIMO-OFDM systems based on comparative methods by LMS algorithm
... a channel estimating method which is able to follow its changes at any moment, quickly, precisely and with less calculating operations, is a mater of high ...a channel estimation method for MIMO-OFDM ...
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Repositório Institucional UFC: Tensor methods for array processing and channel estimation in wireless communications systems
... parameter estimation (for example: direction of departure, direction of arrival, delay, Doppler frequency, channel coefficients, phase noise) with powerful identifiability ...and channel ...
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On Comparison of DFT-Based and DCT-Based Channel Estimation for OFDM System
... the channel impairments caused by high mobility conditions, by dividing the frequency- selective fading channel into narrowband flat fading ...time-domain channel estimation techniques, ...
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MIMO SC-FDE Transmission Techniques with Channel Estimation and High-Order Modulations
... joint channel estimation and data ...using channel estimation both with multi- plexed pilots (at the cost of pilot bandwidth) and with implicit pilots (at the cost of around −6 dB more power), ...
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PARAFACBased channel estimation and data recoy in nonlinear MIMO spread spectrum communication systems
... joint estimation of the channel coefficients and transmitted ...techniques. Channel estimation and data recovery based on tensors composed of received signals have been addressed by several ...
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Implicit Pilots for an Efficient Channel Estimation in Simplified Massive MIMO Schemes with Precoding
... ideal channel estimation ...ideal channel estimation performs almost as good as the MFB, by considering unideal channel estimation, the performance obtained with the ZFT is ...
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Blind channel estimation with data from the INTIMATE'96 sea trial
... Channel estimation is nowadays a well-known problem, examples of which can be found, ...the channel to be estimated, and on the knowledge of the emitted signal, a variety of methods has emerged, ...
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Iterative Channel Estimation Algorithm in Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing Systems
... improving channel estimation accuracy in MIMO-OFDM system because channel state information is required for signal detection at receiver and its accuracy affects the overall performance of system and ...
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Channel estimation techniques applied to massive MIMO systems using sparsity and statistics approaches tese dcaraújo
... sufficient channel state information (CSI) ...the channel scales with the number of antennas which poses a big challenge in implementing massive MIMO systems with FDD ...the channel estimation ...
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Channel estimation in massive MIMO systems
... Channel estimation has an important role in massive MIMO transmission, in order to reduce ...the channel coherence interval becomes ...blind channel estimation techniques have been ...
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Efficient channel estimation using TCH codes
... for channel estimation using two different pilot approaches, data multiplexed pilots and implicit pilots, we conclude that both approaches are reliable with each of them having its own advantages which are ...
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Channel estimation with TCH codes for machine-type communications
... and channel estimation was the next step in order to test these ...the channel estimation field and also because, to the best of my knowledge, it hadn’t been used for joint synchronization and ...
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Channel Estimation using Adaptive Filtering for LTE-Advanced
... adaptive channel estimation algorithms, RLS, LMS and Kalman-Filtering based, are compared in terms of performance, MSE and SER, and ...optimized channel estimator employing Kalman Filtering in ...
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Filtered delaysubspace approach for pilot assisted channel estimation in OFDM systems
... With the use of a comb pilot pattern arrangement [4, 5], we propose a channel estimator based on the application of subspace projection and low-pass filtering.. Observing that the pilot [r] ...
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A QR factorization based algorithm for pilot assisted channel estimation in OFDM systems
... This paper deals with the pilot assisted time-varying channel estima- tion in orthogonal frequency division multiplexing (OFDM) systems. Since the pilot sub-carrier correlations are rank deficient, an estima- tion ...
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A time frequency approach to blind deconvolution in multipath underwater channels
... 6.5 Source estimation performance in noise. . . . . . . . . . . . . . . . . . . . . . . 80 6.6 Channel estimation performance in noise. . . . . . . . . . . . . . . . . . . . . . 80 7.1 INTIMATE ’96 ...
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UNIVERSIDADE NOVA DE LISBOA Faculdade de Ciˆ encias e Tecnologia Departamento de Engenharia Electrot´ ecnica e de Computadores
... and channel estimation for SC-DFE ...coarse channel estimate, which is improved by the combination with a decision-directed ...The channel estimates are more accurate when are used more data ...
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eve cccavalcante channel
... the channel estimation strategies performance in terms of ...the channel estimation strategy than only the ...tested channel estimation techniques resulted in the highest goodput ...
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J. Microw. Optoelectron. Electromagn. Appl. vol.15 número1
... of estimation uncertainties in the optimization of the optical signal-to-noise ratio (OSNR) at the wavelength division multiplexing (WDM) optical ...optical channel estimation performed by the ...
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eve carfernandes PARAFAC
... We have addressed the problem of blind multiuser detection and channel estimation for uplink cooperative relay-assisted DS-CDMA systems. Relying on a trilinear PARAFAC modeling for the composite received ...
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