Time Domain Channel Estimation
An Investigation into Time-Domain Approach for OFDM Channel Estimation
... intra-symbol time-domain averaging ap- proaches for time-domain channel estimation of OFDM system are ...a time-domain approach, called MST, is proposed where ...
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Efficient time domain threshold for sparse channel estimation in OFDM system
... the channel coefficients with an initial estimated threshold is ...threshold estimation technique is general, other threshold, like the suboptimal threshold proposed in [12] can be used in the same way as ...
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Channel Estimation Enhancement in OFDM System based on Time Domain interpolation
... the channel effect must be estimated. In this paper channel estimation based on comb type pilot arrangement has been investigated by implementing least Square (LS) and Minimum Mean Error Square ...
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Estimation of Time-Domain Calibration Parameters to Restore MIMO-TDD Channel Reciprocity
... the time-domain channel. Simulation results show that the time domain calibration allows to restore the calibration parameters in a MIMO delay spread channel even when antennas ...
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A Combined Time and Frequency Domain Approach to Channel Estimation for SFBC MIMO OFDM Wireless Communication System
... to channel estimation for multiple input multiple output (MIMO) orthogonal frequency division multiplexing ...both time domain and frequency domain information in the received signal to ...
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Frequency-Domain Channel Estimation and Equalization for Broadband Wireless Communications
... slow time- varying fading channels, where least mean squares (LMS) or recursive least squares (RLS) adaptive algorithms were utilized for channel ...develop channel estimation algorithm in the ...
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Semiblind frequency-domain timing synchronization and channel estimation for OFDM systems
... and channel estimation algorithm based on unit vectors, and demonstrates that this algo- rithm is suitable for multipath fading channels with both LOS and NLOS ...frequency- domain. Then, a fine ...
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Channel Frequency Response Estimation for MIMO Systems with Frequency-Domain Equalization
... the channel information in terms of the channel frequency response ...CFR estimation scheme, which is hardware efficient when integrated with SC-FDE and space-time coding (STC) in MIMO ...CFR ...
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Parameter Estimation and Error Reduction in Multicarrier Systems by Time-Domain Spreading
... fading channel. To do this,we provide a modified OFDM system using a time- domain spreading (TDS) coupled with a cyclic time ...sequential estimation of symbol timing,and carrier ...
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Frequency domain analysis and simulation of multi-channel complex-valued time series
... spectral estimation approach utilizing K data taper sequences, for a finite K, is ...the estimation of confidence intervals for the true rotary coefficient, and (b) the effect of replacing the unknown true ...
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Channel Coding for Progressive Images in a 2-D Time-Frequency OFDM Block With Channel Estimation Errors
... using channel coding in a 2-D time-frequency resource block in an OFDM network, em- ploying time and frequency diversities ...frequency domain, based on the order of diversity and the ...
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Training sequence based frequency domain channel estimation for indoor diffuse wireless optical communications
... Abstract Channel estimation is a key technology for wireless optical communication (WOC) ...frequency domain (FD) channel estimation approaches for diffuse wireless optical ...FD ...
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Deep Learning-based Time-varying Channel Estimation for RIS Assisted Communication
... of channel extrapolation vs. different space-domain sample rate for different r t ...both time and antenna domains, and a two-part cascaded neural network has been designed to accomplish ...
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A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... University, where he was a Professor and the Head of the Telecom- munications Chair. He has also been a Part-Time Consultant to several leading companies in telecommunications in Turkey. From 1979 to 1981, he was ...
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Channel Estimation in OFDM systems
... the time domain means an integer number of cycles per symbol period (T), then the integration process results in a zero contribution from all these ...
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Time Domain and Frequency Domain Deterministic Channel Modeling for Tunnel/Mining Environments
... the time domain model, a general Channel Impulse Response (CIR) is derived and the result is expressed in the classic UWB tapped delay line ...derived time domain channel model ...
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Blind Channel Estimation for Space Time Coded WCDMA
... MSE Figure 6: Channel MSE versus SNR; four-synchronous-user case. the single-user case. As shown in the figure, the proposed method with the decorrelating and regularized decorrelating front ends closely follows ...
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Time domain reflectometry as a tool for the estimation of quality in foods
... K e y w o r d s: TDR, microwave, multivariate, fish quality INTRODUCTION There exists no entirely satisfactory rapid physical method to determine the quality or freshness of fish and fish products. As an example, blocks ...
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Shrinkage estimation in the frequency domain of multivariate time series
... Fig. 5. Risk, squared bias and variance as a function of frequency. Fig. 6. MISE as a function of smoothing span, for a time series of length T = 128. The case c = 1 is distinct. We see that here the improvement ...
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On the Equivalence of Time and Frequency Domain Maximum Likelihood Estimation
... frequency domain ML method re- quires exact knowledge of the noise model in order to obtain consistent estimates for the plant ...the time domain (for systems driven by a quasi-stationary input and ...
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