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Synthetic Aperture Sequential Beamforming implemented on multi-core platforms

Thomas Kjeldsen, Lee Lassen, Martin Christian Hemmsen, Carsten Kjaer, Borislav G. Tomov, Jesper Mosegaard, Jorgen Arendt Jensen
2014 2014 IEEE International Ultrasonics Symposium  
This paper compares several computational approaches to Synthetic Aperture Sequential Beamforming (SASB) targeting consumer level parallel processors such as multi-core CPUs and GPUs.  ...  The benchmarking is performed using a clinically evaluated imaging setup consisting of 269 scan lines x 1472 complex samples (1.58 MB per frame, 16 frames per second) on an Intel Core i7 2600 CPU with  ...  With the recent development in consumer level parallel processors, such as multi-core CPUs and graphics processing units (GPUs), it is advantageous to move the beamformer to software for improved flexibility  ... 
doi:10.1109/ultsym.2014.0543 fatcat:ve57be2ivra67f3f652yao2ray

Multi-Core Platforms for Beamforming and Wave Field Synthesis

Dimitris Theodoropoulos, Georgi Kuzmanov, Georgi Gaydadjiev
2011 IEEE transactions on multimedia  
Furthermore, we design our custom multi-core hardware accelerators for both algorithms and map them onto Virtex6 FPGAs.  ...  However, most of them are based on standard PCs, which introduce performance limitations and excessive power consumption.  ...  ; • We improve previously proposed hardware accelerators of BF and WFS and map them onto Virtex6 FPGAs; • We provide an extensive design space exploration on BF and WFS with respect to three multi-core  ... 
doi:10.1109/tmm.2010.2098397 fatcat:gd3zcump35dhdmu3mgzvugydoe

Embedding and Beamforming: All-neural Causal Beamformer for Multichannel Speech Enhancement [article]

Andong Li, Wenzhe Liu, Chengshi Zheng, Xiaodong Li
2021 arXiv   pre-print
Standing upon the intersection of traditional beamformers and deep neural networks, we propose a causal neural beamformer paradigm called Embedding and Beamforming, and two core modules are designed accordingly  ...  For BM, a network is directly leveraged to derive the beamforming weights so as to implement filter-and-sum operation.  ...  Two core modules are designed, namely Embedding Module (EM) and Beamforming Module (BM).  ... 
arXiv:2109.00265v2 fatcat:vq4ozejaszfotcm6sy3o2zu2ym

Integrated Beamforming Arrays [chapter]

Harish Krishnaswamy, Hossein Hashemi
2008 Series on Integrated Circuits and Systems  
Fig. 7 . 7 35 A comparison of RF beamforming and Digital beamforming architectures for multi-beam arrays. Fig. 7 . 7 36 The Blass matrix for wideband multi-beam arrays.  ...  Integration of a complete multi-antenna system in silicon results in substantial improvements in cost, size, and reliability and provides numerous opportunities to perform on-chip signal processing and  ... 
doi:10.1007/978-0-387-76561-7_7 fatcat:7jgwyziotngmxf7zmxxj2sguki

Multi-Core Optical Fibers: Theory, Applications and Opportunities [chapter]

Andrés Macho Ortiz, Roberto Llorente Sáez
2018 Selected Topics on Optical Fiber Technologies and Applications  
Multi-core fibers (MCFs) have sparked a new paradigm in optical communications, as they can significantly increase the Shannon capacity of optical networks based on singlecore fibers.  ...  effects of these fibers, and we will discuss their emerging applications and opportunities in different branches of science.  ...  single/multi-mode multi-core fibers (SM/MM-MCFs) and photonic crystal fibers.  ... 
doi:10.5772/intechopen.72458 fatcat:7xuremcitzch3nnyynfdjztqhy

Design of a Highly Dependable Beamforming Chip

Xiao Zhang, Hans G. Kerkhoff
2009 2009 12th Euromicro Conference on Digital System Design, Architectures, Methods and Tools  
Dependability graphs show a significant improvement of the application chip incorporating the design-for-dependability hardware and software.  ...  In this paper, a beamforming chip 1 is designed using 64 reconfigurable Xentium tile processors.  ...  ACKNOWLEDGEMENT The authors would like to acknowledge the discussions with and contributions of Recore Systems with regard to information about the Xentium tile processor.  ... 
doi:10.1109/dsd.2009.152 dblp:conf/dsd/ZhangK09 fatcat:fsms6cvizvgejcy3vd77p5w6qq

Deep Ad-hoc Beamforming [article]

Xiao-Lei Zhang
2021 arXiv   pre-print
In this paper, we propose deep ad-hoc beamforming, a deep-learning-based multichannel speech enhancement framework based on ad-hoc microphone arrays, to address the problem.  ...  Far-field speech processing is an important and challenging problem.  ...  2016) using a single-channel DNN so that the spatial covariance matrices of speech and noise can be derived for adaptive beamforming, e.g. minimum variance distortionless response (MVDR) or generalized  ... 
arXiv:1811.01233v7 fatcat:rajjon4hgvbwvn5fetdnixd22e

Studies of Large-scale Antenna Beamforming Technology

Ma Li Jie
2015 International Journal of Smart Home  
show the effectiveness and correctness of the proposed algorithm.  ...  The large-scale antenna has the advantage of application is strong, it can greatly improve the average throughput of the system, but also can save transmission power, becoming one of the key technologies  ...  In view of the above mentioned aspects of research status, far from the sending and receiving signal processing limitations involved in beamforming algorithm, balanced way of comprehensive research on  ... 
doi:10.14257/ijsh.2015.9.11.09 fatcat:jvipr2l3fbg45ptedgsd5a7lke

Wide field Beamformed Observation with MeerKAT

Weiwei Chen, Ewan Barr, Ramesh Karuppusamy, Michael Kramer, Benjamin Stappers
2021 Journal of Astronomical Instrumentation  
Large-scale beamforming with radio interferometers has the potential to revolutionize the science done with pulsars and fast radio bursts by improving the survey efficiency for these sources.  ...  We describe a wide-field beamformer for the MeerKAT radio telescope and outline strategies to optimally design such surveys.  ...  beams and the derived beamforming efficiency.  ... 
doi:10.1142/s2251171721500136 fatcat:pt7xlvr47nhpnhnuwuqa36dwle

Cobalt: A GPU-based correlator and beamformer for LOFAR

P. Chris Broekema, J. Jan David Mol, R. Nijboer, A.S. van Amesfoort, M.A. Brentjens, G. Marcel Loose, W.F.A. Klijn, J.W. Romein
2018 Astronomy and Computing  
In this paper we describe the design and implementation of a GPU-based correlator and beamformer with the same capabilities as the Blue Gene based systems.  ...  For low-frequency radio astronomy, software correlation and beamforming on general purpose hardware is a viable alternative to custom designed hardware.  ...  prototyping phase and Hopko Meijering and Arjen Koers for their system and network administration during the developement of Cobalt and its operational use.  ... 
doi:10.1016/j.ascom.2018.04.006 fatcat:r2p7anlcl5hvliwvtiphgvfgny

All-neural beamformer for continuous speech separation [article]

Zhuohuang Zhang, Takuya Yoshioka, Naoyuki Kanda, Zhuo Chen, Xiaofei Wang, Dongmei Wang, Sefik Emre Eskimez
2021 arXiv   pre-print
Recently, the all deep learning MVDR (ADL-MVDR) model was proposed for neural beamforming and demonstrated superior performance in a target speech extraction task using pre-segmented input.  ...  the runtime implementation and reduce the system latency with frame-wise processing.  ...  It is often combined with a neural network that estimates the speech and noise components for deriving the beamforming filtering weights.  ... 
arXiv:2110.06428v1 fatcat:xutqsekhofb3ljeh5h6wxgukgu

Beamforming With a Maximum Negentropy Criterion

Kenichi Kumatani, John McDonough, Barbara Rauch, Dietrich Klakow, Philip N. Garner, Weifeng Li
2009 IEEE Transactions on Audio, Speech, and Language Processing  
Our beamforming algorithm can suppress noise and reverberation without the signal cancellation problems encountered in the conventional beamforming algorithms.  ...  MN beamforming with the Γ pdf achieved a 15.8% WER, which was further reduced to 13.2% with the GG pdf, whereas the simple delay-and-sum beamformer provided a WER of 17.8%.  ...  We implemented each beamforming algorithm in C/C++ (1) ) is approximately 2.6 times as much as that of the MMSE beamformer per frame on a machine with an Intel Core 2 DUO E6750/2.66GHz processor and  ... 
doi:10.1109/tasl.2009.2015090 fatcat:unkuxt5xojdclhe2hk4w22yojq

Sparse Convolutional Beamforming for Ultrasound Imaging [article]

Regev Cohen, Yonina C. Eldar
2018 arXiv   pre-print
In this paper, we introduce a nonlinear beamformer called COnvolutional Beamforming Algorithm (COBA), which achieves significant improvement of lateral resolution and contrast.  ...  However, DAS often results in limited image resolution and contrast, which are governed by the center frequency and the aperture size of the ultrasound transducer.  ...  We next derive expressions for A and B, leading to a minimal number of sensors required by the proposed beamformers.  ... 
arXiv:1805.05101v2 fatcat:lqcbjhjezrcd5b6x6er4anlsf4

A Survey on Millimeter-Wave Beamforming Enabled UAV Communications and Networking [article]

Zhenyu Xiao, Lipeng Zhu, Yanming Liu, Pengfei Yi, Rui Zhang, Xiang-Gen Xia, Robert Schober
2021 arXiv   pre-print
Unmanned aerial vehicles (UAVs) have found widespread commercial, civilian, and military applications. Wireless communication has always been one of the core technologies for UAV.  ...  Finally, we present open issues and promising directions for future research in mmWave beamforming enabled UAV communications and networking.  ...  However, the coverage efficiency is limited because of the single narrow beam. 2) Multi-Beam Coverage: An efficient way to improve the coverage efficiency is to increase the number of beams.  ... 
arXiv:2104.09204v2 fatcat:rbywt5p7uzhhzg3hbc7tnln45q

Fast Radix-32 Approximate DFTs for 1024-Beam Digital RF Beamforming

Arjuna Madanayake, Renato J. Cintra, Najath Akram, Viduneth Ariyarathna, Soumyajit Mandal, Vitor A. Coutinho, Fabio M. Bayer, Diego Coelho, Theodore S. Rappaport
2020 IEEE Access  
The discrete Fourier transform (DFT) is widely employed for multi-beam digital beamforming.  ...  Digital CMOS circuit designs for the ADFTs show the resulting improvements in both circuit complexity and power consumption metrics.  ...  However, such high accuracy is of limited practical relevance in digital multi-beam RF beamforming applications, such as radar signal processing, where the accuracy of the results is limited by other system  ... 
doi:10.1109/access.2020.2994550 fatcat:l3kiozesk5b7pkjwpxw465kbwy
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