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Partially adaptive beamforming for correlated interference rejection

F. Qian, B.D. Van Veen
1995 IEEE Transactions on Signal Processing  
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

Feng Qian, B.D. Van Veen
1994 IEEE Transactions on Signal Processing  
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

Y.R. Zheng, R.A. Goubran, M. El-Tanany
2004 IEEE Transactions on Instrumentation and Measurement  
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

Yi Chu, Wen-Hsien Fang, Shun-Hsyung Chang
1998 Zenodo  
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

Luis Miguel Vicente, K. C. Ho
2007 Zenodo  
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

Mohamed Rihan, Tarek Abed Soliman, Chen Xu, Lei Huang, Moawad I. Dessouky
2020 IEEE Access  
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

Hema Singh, Rakesh Mohan Jha
2012 International Journal of Antennas and Propagation  
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]

Jun Zhang, Xianghao Yu, Khaled B. Letaief
2019 arXiv   pre-print
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]

Murat Babek Salman, Gokhan Muzaffer Guvensen
2021 arXiv   pre-print
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

B. Atrouz, A. Alimohad, Brahim Aissa
2009 Progress In Electromagnetics Research C  
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]

Preeti Kumari, Nitin Jonathan Myers, Robert W. Heath Jr
2020 arXiv   pre-print
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

Bruno da Silva, An Braeken, Abdellah Touhafi
2018 Computers  
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]

Ming Li, Zihuan Wang, Hongyu Li, Qian Liu, Liang Zhou
2018 arXiv   pre-print
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]

Hidri Adel, Meddeb Souad, Abdulqadir Alaqeeli, Amiri Hamid
2012 arXiv   pre-print
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

David Love, Robert Heath, Vincent N. Lau, David Gesbert, Bhaskar Rao, Matthew Andrews
2008 IEEE Journal on Selected Areas in Communications  
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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