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Partially adaptive beamforming for correlated interference rejection
1995
IEEE Transactions on Signal Processing
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In practice, an approximate design procedure is provided to accommodate a set of likely interference scenarios. Analysis of the feasibility of this approach is presented. ...
Abstruct-Conventional linearly constrained adaptive beamformers often suffer from severe signal cancellation in the presence of interferers correlated with the signal. ...
In Section IV, the partially adaptive beamforming solution is developed. An analysis of this approach is provided in Section V. ...
doi:10.1109/78.348132
fatcat:xz3jl64l5fggdk5cs4vrvlqhku
Partially adaptive beamformer design subject to worst-case performance constraints
1994
IEEE Transactions on Signal Processing
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This correspondence proposes two methods for designing partially adaptive beamformers that satisfy a performance specification over a set of likely interference scenarios. ...
In the multilevel point design method, each dimension of the adaptation space is chosen to give optimum performance at a single interference scenario. ...
Here, the partially adaptive beamformer design problem is approached from an altemate perspective. ...
doi:10.1109/78.295197
fatcat:ttigy5sks5hr5fqidy6meoahmm
Experimental Evaluation of a Nested Microphone Array With Adaptive Noise Cancellers
2004
IEEE Transactions on Instrumentation and Measurement
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Each subband array employs several near-field delay-filter-and-sum beamformers and an adaptive noise canceller (ANC). ...
This paper proposes a near-field broadband adaptive beamforming scheme for intelligent computer telephony and teleconferencing applications, namely the nested microphone array with adaptive noise canceller ...
Each subband employs an octave-band adaptive beamformer designed and implemented by a generalized sidelobe canceller (GSC) [9] . ...
doi:10.1109/tim.2004.827304
fatcat:2biv3btkdbagtnbxolsdh4yd6y
Performance Analysis Of A Wavelet-Based Generalized Sidelobe Cancellers
1998
Zenodo
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Publication in the conference proceedings of EUSIPCO, Rhodes, Greece, 1998 ...
INTRODUCTION The design of adaptive beamformers arises in various contexts of signal processing applications. ...
A new type of partially adaptive beamformers, the wavelet-based GSC [2] , which employs a set of regular M-band wavelet lters in the design of the blocking matrix involved, has been proposed recently. ...
doi:10.5281/zenodo.36721
fatcat:nslfbaobkjhbvcodphicz7gl7m
Combined Beamspace And Element Space Technique For Partial Adaptive Concentric Ring Array
2007
Zenodo
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Publication in the conference proceedings of EUSIPCO, Poznan, Poland, 2007 ...
This research is supported by US AFOSR under contract FA9550-04-C-0058 and by the Polytechnic University of Puerto Rico. ...
apply an adaptive narrow-band beamformer for each individual component. ...
doi:10.5281/zenodo.40255
fatcat:dhubry6qg5egno2hfviagg7fpu
Taxonomy and Performance Evaluation of Hybrid Beamforming for 5G and Beyond Systems
2020
IEEE Access
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With the motivation of giving more insights and in-deep technical recommendations to B5G network designers regarding hybrid beamforming, we present a hybrid beamforming taxonomy in terms of channel state ...
information (CSI) availability, frequency bandwidth, architecture complexity, analog beamformer components, number of users, connectivity to RF chains, and the digital and analog beamforming design. ...
In practice, it is easier to implement a switched beamforming system than an adaptive beamforming system. ...
doi:10.1109/access.2020.2984548
fatcat:tkd3utgslramjdl7ua3smwcnhu
Trends in Adaptive Array Processing
2012
International Journal of Antennas and Propagation
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The effects of various types of errors on the performance of an array system are illustrated along with their remedial measures. ...
The present paper deals with many facets of array signal processing and adaptive beam forming. ...
A variety of approaches have been suggested for the design of partially adaptive arrays [46] . ...
doi:10.1155/2012/361768
fatcat:6vg46f632za2velvcwbsfdz3se
Hybrid Beamforming for 5G and Beyond Millimeter-Wave Systems: A Holistic View
[article]
2019
arXiv
pre-print
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Through systematic comparisons, the interplay and trade-off among these three design aspects are demonstrated, and promising candidates for hybrid beamforming in future wireless networks are identified ...
Hybrid beamforming is a cost-effective alternative, which can significantly reduce the hardware cost and power consumption by employing a small number of RF chains. ...
when N t RF ≥ N t , which, however, severely deviates from the setting of hybrid beamforming. ...
arXiv:1911.02853v2
fatcat:jvchj6g2nreifimtgb2lbav7au
A Comprehensive Performance Analysis for mm-Wave Massive MIMO Hybrid Beamforming under PA Nonlinearities
[article]
2021
arXiv
pre-print
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In addition, we propose a novel analog beamformer design for partially connected architecture based on generalized eigen-beamformer (GEB) approach. ...
Indirect learning architecture based on feedback after anti-beamforming is adopted in design of digital pre-distortion (DPD) in order to compensate the nonlinear distortion caused by PA. ...
However, there is an undesired linear channel due to memory of PA's, which is ignored during the design of digital precoder. Therefore, an equalization procedure is necessary at the receiver side. ...
arXiv:2006.15930v4
fatcat:mvum55cqtrfihkk6torhpxbyue
AN EFFECTIVE JAMMERS CANCELLATION BY MEANS OF A RECTANGULAR ARRAY ANTENNA AND A SEQUENTIAL BLOCK LMS ALGORITHM: CASE OF MOBILE SOURCES
2009
Progress In Electromagnetics Research C
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when sources to cancel are moving (i.e., a dynamic environment as it is usually the case for air-and space-based radar), requires an adaptive arrays of several hundreds and/or thousands of elements. ...
Adaptive array processing algorithms have received much attention in the past four decades. ...
CONCLUSION In this paper, we have developed an adaptive beamforming algorithm applied to a 2-D rectangular array, the designed algorithm is based on LMS algorithm, it is intended for the tracking of mobile ...
doi:10.2528/pierc09020501
fatcat:44fok5vy5rgjxel64jqsghx54a
Adaptive and Fast Combined Waveform-Beamforming Design for mmWave Automotive Joint Communication-Radar
[article]
2020
arXiv
pre-print
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In this paper, we propose an adaptive and fast combined waveform-beamforming design for the mmWave automotive JCR with a phased-array architecture that permits a trade-off between communication and radar ...
Additionally, we develop a MSE-based weighted average optimization problem for the adaptive JCR combined waveform-beamforming design. ...
Vorobyov of Aalto University, Finland for discussions regarding the adaptive JCR design. ...
arXiv:2009.02633v1
fatcat:3ar5nits4ferxpszuqeit4iuni
FPGA-Based Architectures for Acoustic Beamforming with Microphone Arrays: Trends, Challenges and Research Opportunities
2018
Computers
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The presented work provides an overview of the current FPGA-based architectures and how FPGAs are exploited for different acoustic applications. ...
The relatively recent adoption of Field-Programmable Gate Arrays (FPGAs) to manage the audio data samples and to perform the signal processing operations such as filtering or beamforming has lead to customizable ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/computers7030041
fatcat:vwroxikuordu5lh2rbtdatqx4m
A Hardware-Efficient Hybrid Beamforming Solution for mmWave MIMO Systems
[article]
2018
arXiv
pre-print
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We analyze the design challenges of this POS-SW-based hybrid beamforming architecture and present potential solutions to the fundamental issues, especially the precoder/combiner design and the channel ...
In millimeter wave (mmWave) communication systems, existing hybrid beamforming solutions generally require a large number of high-resolution phase shifters (PSs) to realize analog beamformers, which still ...
The beamforming design and performance analysis of this integrated structure need to be studied, especially the closed-form expression of performance which can help us to obtain insights of important design ...
arXiv:1812.07501v1
fatcat:ky554yrxkbbbfnxz7gwvcmcydi
Beamforming Techniques for Multichannel audio Signal Separation
[article]
2012
arXiv
pre-print
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Beamforming techniques basically approach the problem from a spatial point of view. ...
It can be used for a myriad of purposes, such as detecting the presence of a signal, estimating the direction of arrival, and enhancing a desired signal from its measurements corrupted by noise, competing ...
A summary of several design criteria can be found in [11] . ...
arXiv:1212.6080v1
fatcat:ujg3o3ku5ncpjo2h6mzzlwfrlm
An overview of limited feedback in wireless communication systems
2008
IEEE Journal on Selected Areas in Communications
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adaptation. ...
Unfortunately, many kinds of channel adaptive techniques have been deemed impractical in the past because of the problem of obtaining channel knowledge at the transmitter. ...
Their comments and those of the anonymous reviewers improved the paper throughout. ...
doi:10.1109/jsac.2008.081002
fatcat:ko5kyqjpsbag5lkril7c75ahly
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