Decision Directed Channel Estimation
Decision Directed Channel Estimation Employing Projection Approximation Subspace Tracking
... the channel conditions encountered. The majority of existing advanced channel estimation schemes assume knowledge of the channel’s Power Delay Profile (PDP) in order to estimate the corresponding ...
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Generic MMSE Decision Directed Channel Estimation for OFDM and MC CDMA
... (MMSE) Channel Impulse Response (CIR) estimator-aided Decision Directed Channel Estimation (DDCE) method, which is suitable for employment in both OFDM and MC-CDMA ...Domain ...
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Sample Spaced and Fractionally Spaced CIR Estimation Aided Decision Directed Channel Estimation for OFDM and MC CDMA
... of decision-directed channel estimation (DDCE) is analysed in the context of both OFDM and MC- CDMA ...different estimation methods suitable for both OFDM and MC-CDMA systems are ...
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Burst allocation method to enable decision directed channel estimation for mobile WiMAX downlink transmission
... a decision-directed channel estimation method without demodulating data bursts destined for other ...Three decision-directed channel estimation methods, each with ...
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Decision Directed Channel Estimation Aided OFDM Employing Sample Spaced and Fractionally Spaced CIR Estimators
... OFDM, decision directed channel estimation, impulse response estimation ...well-documented decision directed channel estimation (DDCE) methods [1]–[4] is ...
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Decision-Directed Channel Estimation Implementation for Spectral Efficiency Improvement in Mobile MIMO-OFDM
... each channel estimator is comparable only to other chan- nel estimators presented in this paper as the results depend on the used implementation method and ...other channel estimation implementations ...
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RLS Adaptive Parallel Interference Cancellation Assisted Decision directed Channel Estimation for OFDM
... priori channel estimation MSE versus the OFDM symbol index for an arbitrary time segment commencing with an initial vector of prediction coefficients given by ˜ c (i) pre [0, l] = (1, 0, ...WATM ...
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Improving MIMO-OFDM decision-directed channel estimation by utilizing error-correcting codes
... improves the channel estimate quality in terms of MSE. All solid lines, which denote the enhanced scheme, finally are below the dashed ones, which denote the basic DDCE approach, even for 16-QAM modulation which ...
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Multi User OFDM Employing Parallel Interference Cancellation Assisted Decision Directed Channel Estimation
... priori channel estimator’s ...priori channel transfer function estimator range of four taps was ...the estimation process due to the channel transfer function decorrelation between successive ...
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Parallel Interference Cancellation Assisted Decision Directed Channel Estimation for OFDM Systems using Multiple Transmit Antennas
... the K 0 largest tap variances from the decomposition Υ [f unif ](j) = U ˜ [f](j)H R [f](j) unif U ˜ [f](j) of the specific space–frequency corre- lation matrices of the channel with respect to U ˜ [f](j) = W. 14 ...
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Advanced Channel Estimation for MIMO OFDM in Realistic Channel Conditions
... advanced decision-directed channel estimation scheme is proposed, which is suitable for employment in a wide range of multi-antenna multi-carrier systems as well as for communications over the ...
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Smoothing techniques for decision-directed MIMO OFDM channel estimation
... accurate channel estimate at the receiver, which is gained ei- ther by evaluation of reference symbols which requires des- ignated resources in the transmit signal or decision-directed ...the ...
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Channel Estimation Modeling
... joint channel estimation and single channel estimation are shown in ...joint channel estimator takes it into ...multipath channel. But for joint channel estimation ...
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Channel Decision-Making
... timing decision in Taylor as a decision about when to transfer ownership of the units in the channel from the manufacturer to the ...ownership decision as a strategic choice for the ...
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Directed Retry Decision 3G Huawei
... Measurement-Based Directed Retry (MBDR), is used to select a cell with qualifying signals for a UE to access according to the measurement result of signal ...
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Channel Estimation in OFDM systems
... and antenna diversity, the link budget and dispersive-fading limitations of the cellular mobile radio environment can be overcomed and the effects of co-channel interference can be reduced. 1.1.1 Digital ...
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Channel Estimation with Improved OFDM
... paper channel estimation for orthogonal frequency division multiplexing (OFDM) is ...This channel estimation employs two training symbol in combination with polynomial fitting thus to get ...
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Soft-Decision-Driven Sparse Channel Estimation and Turbo Equalization for MIMO Underwater Acoustic Communications
... The arrival paths fluctuate very rapidly. It is important to notice that the channel impulse response is sparse. C. Performance versus the Training Overhead In order to investigate the convergence performance of ...
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Huawei 3G Directed Retry Decision (DRD)
... Procedure for Measurement based In a multi‐band network, the cells that operate on different frequency bands have different coverage areas. When a UE needs to perform an inter‐frequency handover in a multi‐band network, ...
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A soft decision-directed blind equalization algorithm
... The only available DD equalization algorithms for reconstructing PSK and QPSK signals are the ~fLE algorithm which has a very slow convergence rate and the standard DD algorithm which ca[r] ...
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