Iterative Channel estimation
An improved iterative channel estimation algorithm for high mobility OFDM systems
... the channel time variations through a piece-wise linear model, and all the channel state information was estimated by a linear time-domain interpolation [10] ...Doppler-assisted channel ...
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A low complexity iterative channel estimation and equalisation scheme for (data-dependent) superimposed training
... the channel estimation MSE for the IST ...in channel estimation and it approaches normal DDST and TDM performance just after 2 ...the channel estimation MSE for the LSST ...
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Exploiting a priori information for iterative channel estimation in block fading amplify and forward cooperative networks
... cascaded channel estimation from [4,5]) that the destination estimates the overall channel gain but takes the overall noise variance equal to the vari- ance obtained by averaging over the statistic ...
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Iterative channel estimation and data detection for MIMO OFDM systems operating in time frequency dispersive channels under unknown background noise
... algorithm-based iterative schemes for joint data detection and channel and noise variance estimation are ...the channel and noise variance, but the computational complexity is high, owing to ...
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Reduced Complexity In Phase/Quadrature Phase M QAM Turbo Equalization Using Iterative Channel Estimation
... and in each quadrature arm of the received signal is removed, in order to reduce the number of possible signal combinations, hence reducing the number of equalizer states in the trellis. After the decoupling operation, ...
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Maximum Likelihood Turbo Iterative Channel Estimation for Space Time Coded Systems and Its Application to Radio Transmission in Subway Tunnels
... The main motivation for developing a multiple-antenna GSM-based communication system is the following. GSM is, by far, the most widely deployed radio-communication system. Since 1993, its radio interface (GSM-R) has been ...
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Block Transmissions over Doubly Selective Channels: Iterative Channel Estimation and Turbo Equalization
... the channel estimation task within low-complexity block turbo ...pilot-assisted channel estimators are presented, and the soft data estimates from the turbo equalizers are used to improve the quality ...
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Reduced Complexity In phase/Quadrature phase Turbo Equalisation using Iterative Channel Estimation
... Guard Data Tailing Bits.. non-spread speech burst.[r] ...
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Iterative receivers with channel estimation for multi user MIMO OFDM: complexity and performance
... incorporating iterative channel estimation and MUD. Two popular channel estimation algorithms, one based on expectation maximization (EM) [15], and one performing a joint ...
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Application of a joint and iterative MMSE based estimation of SNR and frequency selective channel for OFDM systems
... concerning channel esti- mation. A wide range of usual channel estimation meth- ods is based on ML [9], least square (LS) [14,15], or MMSE ...previous channel frequency response to perform the ...
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Iterative Receiver Techniques for Data-Driven Channel Estimation and Interference Mitigation in Wireless Communications
... the iterative receiver techniques based on a new sphere decoder are presented for the spatial multiplexed MIMO ...to iterative reception by including accumulated a priori in- formation metric in the ...
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A Review on Compressed Sensing based Channel Estimation in OFDM System
... low-unpredictability iterative recipient joining joint iterative channel estimation (CE) with image recognition is proposed for coded orthogonal recurrence division multiplexing (OFDM) ...
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Optimal Superimposed Training Sequences for Channel Estimation in MIMO-OFDM Systems
... an iterative time-domain LS based channel estimation scheme for ST-based MIMO-OFDM systems is ...the channel for an improved ...the iterative channel estimation scheme, a ...
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Iterative Sparse Channel Estimation and Decoding for Underwater MIMO-OFDM
... block-by-block iterative receiver for underwater MIMO-OFDM that couples channel estimation with multiple-input multiple-output (MIMO) detection and low-density parity-check (LDPC) channel ...
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Iterative joint channel and data estimation for rank deficient MIMO OFDM
... an iterative space-time detector and decoder, where we consider a soft- input-soft-output Log-MAP Optimized Hierarchy Reduced Search Algorithm (OHRSA) space-time decoder in conjunc- tion with the aforementioned ...
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TIME FREQUENCY TRAINING ESTIMATION METHOD OF OFDM FOR MOBILE LARGE SCALE MIMO SYSTEMS
... joint channel estimation for TFTOFDM in large-scale MIMO systems over the Brazil D channel with the receiver velocity of 5 ...based iterative channel estimation/data detection ...
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Iterative Joint Channel Estimation and Multi User Detection for Multiple Antenna Aided OFDM Systems
... blind channel estimation tech- niques have been proposed for MIMO-OFDM systems [7]– ...[18], iterative Least Squares (LS) [19], Second- Order Statistics (SOS) based SubSpace (SS) [20] ...
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Code-Aided Estimation and Detection on Time-Varying Correlated Mimo Channels: A Factor Graph Approach
... concerns channel tracking in a multiantenna context for correlated flat-fading channels obeying a Gauss-Markov ...code-aided estimation scheme which exploits information from both the pilot symbols and the ...
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Iterative Pilot-Layer Aided Channel Estimation with Emphasis on Interleave-Division Multiple Access Systems
... Spread-spectrum multiple access is a popular technique al- lowing several users to share the same bandwidth at the same time. Spread spectrum is often equated with direct-sequence code-division multiple access (DS-CDMA), ...
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Virtual Iterative Precoding Based LTE POMA Channel Estimation Technique in Dynamic Fading Environments
... In this paper, improvements in LTE channel estimation through v.i.p design in MIMO based POMA structure is performed. The proposed LTE c.e.t enhance the RF precod- ers by adopting virtual clusters, which ...
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