Analysis of a Novel Density Matching Criterion Within the ITL Framework for Blind Channel Equalization
Sign Up to like & getrecommendations! Published in 2018 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-017-0543-4
Abstract: In blind channel equalization, the use of criteria from the field of information theoretic learning (ITL) has already proved to be a promising alternative, since the use of the high-order statistics is mandatory in this… read more here.
Keywords: itl; blind channel; channel equalization; itl framework ... See more keywords
Semi-Blind Channel-and-Signal Estimation for Uplink Massive MIMO With Channel Sparsity
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2928092
Abstract: This paper considers the transceiver design for uplink massive multiple-input multiple-output (MIMO) systems with channel sparsity in the angular domain. Recent progress has shown that sparsity-learning-based blind signal detection is able to retrieve the channel… read more here.
Keywords: semi blind; blind channel; uplink massive; channel sparsity ... See more keywords
Semi-Blind Channel Estimation in MIMO Systems With Discrete Priors on Data Symbols
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2021.3125257
Abstract: In this work, we addressthe MIMO semi-blindchannel estimation problem. We propose an eigenvalue decomposition based technique to significantly reduce the dimensionality of the EM based algorithm when the imposed prior on the data is Gaussian,… read more here.
Keywords: channel estimation; algorithm; blind channel; estimation ... See more keywords
One-Shot Blind Channel Estimation for OFDM Systems Over Frequency-Selective Fading Channels
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2017.2740925
Abstract: This paper presents a blind channel estimation (BCE) technique for orthogonal frequency division multiplexing communications systems. The proposed system is based on modulating particular pairs of subcarriers using amplitude shift keying and phase shift keying,… read more here.
Keywords: estimation; blind channel; shot blind; one shot ... See more keywords
Semi-blind Channel Estimation for Multiuser Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2017.2771725
Abstract: Motivated by recent developments in time-division duplex massive multiple-input multiple-output (MIMO) systems, this paper investigates semi-blind channel estimation for multiuser MIMO systems. An expectation-maximization (EM) algorithm is derived for semi-blind channel estimation and a tractable… read more here.
Keywords: estimation; blind channel; channel estimation; semi blind ... See more keywords
Super-Resolution Blind Channel-and-Signal Estimation for Massive MIMO With One-Dimensional Antenna Array
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2019.2928977
Abstract: In this paper, we study blind channel-and-signal estimation by exploiting the burst-sparse structure of angular-domain propagation channels in massive MIMO systems. The state-of-the-art approach utilizes the structured channel sparsity by sampling the angular-domain channel representation… read more here.
Keywords: super resolution; blind channel; signal estimation; estimation ... See more keywords
Scalar Ambiguity Estimation Based on Maximum Likelihood Criteria for Totally Blind Channel Estimation in Block Transmission Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2020.3043348
Abstract: This paper proposes a scalar ambiguity estimation method that sublimates the blind channel estimation method to totally blind estimation. Generally, the blind channel estimation method can identify the channel impulse response or channel frequency response… read more here.
Keywords: ambiguity; channel estimation; blind channel; ambiguity estimation ... See more keywords
Joint Adaptive Blind Channel Estimation and Data Detection for MIMO-OFDM Systems
Sign Up to like & getrecommendations! Published in 2020 at "Wireless Communications and Mobile Computing"
DOI: 10.1155/2020/2508130
Abstract: In order to track a changing channel in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems, it is a priority to estimate channel impulse response adaptively. In this paper, we propose an adaptive blind channel… read more here.
Keywords: adaptive blind; blind channel; channel; ofdm systems ... See more keywords
Enhanced Transmission With Optimized SNR & Receiver Diversity In OFDM Systems Using Blind Channel Estimation
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Electrical and Computer Engineering"
DOI: 10.11591/ijece.v8i5.pp2738-2743
Abstract: This paper deals with the blind channel estimation technique in OFDM system with receiver diversity to analyze the bit error rate with respect to the number of symbols. The paper clearly brings out the advantage… read more here.
Keywords: channel estimation; receiver diversity; blind channel;
A Summative Comparison of Blind Channel Estimation Techniques for Orthogonal Frequency Division Multiplexing Systems
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Electrical and Computer Engineering"
DOI: 10.11591/ijece.v8i5.pp2744-2752
Abstract: The OFDM techniquei.e. Orthogonal frequency division multiplexing has become prominent in wireless communication since its instruction in 1950’s due to its feature of combating the multipath fading and other losses. In an OFDM system, a… read more here.
Keywords: division multiplexing; estimation; blind channel; frequency division ... See more keywords