An Efficient Broadband Adaptive Beamforming Algorithm Based on Frequency–Space Cascade Processing
Sign Up to like & getrecommendations! Published in 2018 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-017-0545-2
Abstract: In this paper, the performance loss caused by the aperture fill phenomena and heavy computational burden in broadband adaptive beamforming (ADBF) is analyzed, and an efficient approach based on frequency–space cascade processing is presented. First,… read more here.
Keywords: broadband adaptive; frequency; processing; adaptive beamforming ... See more keywords
Robust Adaptive Beamforming with Improved Interferences Suppression and a New Steering Vector Estimation Based on Spatial Power Spectrum
Sign Up to like & getrecommendations! Published in 2019 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-019-01051-y
Abstract: AbstractIn this paper, a new robust adaptive beamforming algorithm is proposed with increased attenuation of interference signals. This is achieved by reconstructing the interference-plus-noise covariance matrix using the Capon spatial power estimator. In the latter… read more here.
Keywords: steering vector; adaptive beamforming; robust adaptive; spatial power ... See more keywords
Robust Adaptive Beamforming Based on Low-Complexity Discrete Fourier Transform Spatial Sampling
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3088747
Abstract: In this paper, a novel and robust algorithm is proposed for adaptive beamforming based on the idea of reconstructing the autocorrelation sequence (ACS) of a random process from a set of measured data. This is… read more here.
Keywords: adaptive beamforming; plus interference; beamforming based; noise plus ... See more keywords
Adaptive Beamforming With Software-Defined-Radio Arrays
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DOI: 10.1109/access.2022.3144959
Abstract: Digital beamforming is the holy grail of antenna array technologies, however implementing digital beamforming into practical antenna arrays has been slow due to hardware complexity and cost. We propose a relatively inexpensive new approach to… read more here.
Keywords: software; interference cancellation; software defined; interference ... See more keywords
A Machine Learning Adaptive Beamforming Framework for 5G Millimeter Wave Massive MIMO Multicellular Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3202640
Abstract: The goal of this paper is to evaluate the performance of an adaptive beamforming approach in fifth-generation millimeter-wave multicellular networks, where massive multiple-input multiple-output configurations are employed in all active base stations of the considered… read more here.
Keywords: beamforming; multicellular networks; machine learning; beamforming framework ... See more keywords
A Novel Robust Adaptive Beamforming Algorithm Based on Subspace Orthogonality and Projection
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2023.3267794
Abstract: Recently, it has been extensively researched about designing robust adaptive beamforming (RAB) algorithms to deal with model mismatch issues. In this article, a RAB algorithm is proposed to estimate the steering vectors (SVs) of the… read more here.
Keywords: projection; beamforming algorithm; robust adaptive; adaptive beamforming ... See more keywords
Robust Adaptive Beamforming Based on Sparse Bayesian Learning and Covariance Matrix Reconstruction
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3175176
Abstract: Sparse Bayesian learning (SBL) exploits sparse information from a Bayesian perspective by making sparse prior assumptions about the signal. It has good flexibility in modeling sparse signals and can also achieve good estimation results when… read more here.
Keywords: covariance matrix; robust adaptive; adaptive beamforming; sparse bayesian ... See more keywords
Minimum Gaussian Entropy Based Distortionless Adaptive Beamforming Algorithms
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2021.3064762
Abstract: In this letter, we formulate the adaptive beamforming problem in terms of the constrained minimization of the Gaussian entropy of the array output signal, subject to the distortionless constraint of the signal of interest (SOI).… read more here.
Keywords: gaussian entropy; minimum gaussian; adaptive beamforming; entropy based ... See more keywords
Robust Quasi-Adaptive Beamforming Against Direction-of-Arrival Mismatch
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DOI: 10.1109/taes.2017.2776678
Abstract: This paper presents a novel robust quasi-adaptive beamforming (RQAB) scheme against direction-of-arrival (DOA) mismatch. Unlike existing robust adaptive beamforming (RAB) methods, the proposed approach obtains the ultimate beamformer weight vector in a quiescent manner, nevertheless,… read more here.
Keywords: robust quasi; quasi adaptive; direction arrival; adaptive beamforming ... See more keywords
Robust Adaptive Beamforming via Simplified Interference Power Estimation
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2019.2899796
Abstract: Adaptive beamformer is very sensitive to model mismatch, especially when the signal-of-interest is present in the training data. In this paper, we focus on the topic of robust adaptive beamforming (RAB) based on interference-plus-noise covariance… read more here.
Keywords: adaptive beamforming; interference power; interference; power estimation ... See more keywords
An Ultrasonic Adaptive Beamforming Method and Its Application for Trans-Skull Imaging of Certain Types of Head Injuries; Part II: Reception Mode and Adaptive Imaging
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Biomedical Engineering"
DOI: 10.1109/tbme.2022.3197168
Abstract: Objective: Background theory and a new algorithm for single-point adaptive focusing in transmission mode through ultrasonic barriers via one-dimensional phased arrays were reported in part I. In this paper the algorithm is further extended and… read more here.
Keywords: imaging; adaptive imaging; head injuries; adaptive beamforming ... See more keywords