channel estimator
Detection-Guided Fast Affine Projection Channel Estimator for Speech Applications
... proposed estimator with the standard NLMS chan- nel estimator, the earlier proposed detection-guided NLMS channel estimator [8], the standard APA channel estimator [1] as well as ...
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Low complexity WLMMSE channel estimator for MB OFDM UWB systems
... the channel estimation has mostly been studied for its effect on error rate perform- ance and computational complexity ...(MMSE) estimator has been proposed by Beek et ...(LS) estimator [8]. ...
11
On the Distribution of an Effective Channel Estimator for Multi-Cell Massive MIMO
... a channel es- timator for multi-cell multi-user systems that does not require the estimation of the inter-cell large-scale fading coefficients plus noise ...proposed channel estimator in ...proposed ...
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Review for LS and LMMSE Channel Estimator Algorithm in MIMO OFDM.Anita Singh and Prof. Trushna Deotale
... linear channel estimator for LTE down link ...of channel length ...the channel length than the ISI and ICI are completely suppressed and it shows ,the LMMSE performs better than LS ...
5
Latency reduction by dynamic channel estimator selection in C RAN networks using fuzzy logic
... the channel state information acquisition in the C-RAN for large numbers of remote radio heads and user equipment is one of the main challenges in this ...the channel information in C-RAN and to reduce the ...
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Complexity Reduction Techniques for MMSE Channel Estimator in OFDM
... MMSE channel estimator while at the same time maintaining the high performance under critical time and frequency selective ...MMSE channel estimation is presented in paper [10] for compromising ...
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A Low Complexity KL Expansion Based Channel Estimator for OFDM Systems
... to channel memory, fading multipath channel still introduces random attenuations on each ...corresponding channel frequency re- sponse, does not assure symbol recovery if the channel has nulls ...
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The Extended Window Channel Estimator for Iterative Channel and Symbol Estimation
... to channel estimation results in a well-known iterative channel- and-symbol estimator ...symbol estimator based on the forward-backward recursion (BCJR equalizer) and a channel ...
8
Analysis of the maximum likelihood channel estimator for OFDM systems in the presence of unknown interference
... the channel estimate can be described as an algebraic function whose inputs are the initial value and the means and variances of the received ...the channel estimator is not ...
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A Data Nulling Superimposed Pilot based Channel Estimator for MIMO-OFDM Systems
... ABSTRACT: This paper proposes a channel estimation method based data nulling superimposed pilots for MIMO- OFDM systems. An efficient estimation method in which the OFDM data symbol is each transmit antenna is ...
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Experimental Evaluation of Adaptive Modulation and Coding in MIMO WiMAX with Limited Feedback
... perfect channel state information (CSI) is available at the receiver, the Alamouti transmission has superior performance over the SISO transmission throughout the entire SNR ...the channel is estimated at ...
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Performance Improvement in Estimation of Spatially Correlated Rician Fading MIMO Channels Using a New LMMSE Estimator
... GLMMSE channel esti- mator can employ more a priori knowledge about the ...GLMMSE channel estimators are nearly identical, particularly for low Rice factors and spatial ...GLMMSE estimator is still ...
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Joint Maximum Likelihood Channel Estimation and Data Detection for MIMO Systems
... (ML) channel and data estimation schemes for MIMO ...for channel and data estimation is decomposed into two ...optimal channel estimate, while at the lower level an ML data detector decodes the ...
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MIMO OFDM with Enhanced Channel Estimation based on DFT Interpolation
... Channel estimator (LS & MMSE) with and without DFT First we run the simulation for the OFDM system only and applying the LS & MMSE estimators both with and without DTF ...LS estimator is ...
5
Reducing the Leakage in OFDM Systems by Using Low Complexity DFT- Based Channel Estimation
... proposed estimator consists of a time- domain (TD) index set estimation on the grounds that the leakage outcome followed through a low-complexity TD submit-processing to suppress the ...proposed channel ...
5
Compressive Estimation of Cluster-Sparse Channels
... accurate channel estimators are obtained. However, LS-based linear channel estimator does not have distinct improvement which is caused by undetermined ...linear channel estimator is ...
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A Novel Algorithm for Efficient Channel Estimation using MMSE Kalman Estimator and Median Filtering
... of channel equalizer in a time-frequency-fading ...the channel. Then Kalman filter could be applied to estimate the channel from the received OFDM signals when pilot symbols are ...filter ...
5
Improved Channel Estimation Algorithm for OFDM System over Slow Fading Rayleigh Channel
... based channel estimator designed over a slow fading Rayleigh ...based channel estimator, the channel impulse response was calculated using Least Square (LS) ...the channel ...
5
On the Application of Massive MIMO Systems to Machine Type Communications
... 1/2 channel coding corresponds to 3 bits/s/Hz ...proposed estimator is employed instead of the MMSE ...proposed estimator asymptotically approaches that of the MMSE estimator as M and/or ρ ...
22
Channel Estimation for SCM OFDM Systems by Modified Kalman Filter
... of channel estimation for superposition coded modulation-orthogonal frequency division multiplexing (SCM-OFDM) systems over frequency selective channels is ...new channel estimator based on modified ...
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