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IEEE Global Communications Conference

作者： Tao Li Zhengchuan Chen Pingyi Fan Khaled Ben Letaief Tsinghua National Laboratory for Information Science and Technology (TNList) and Department of Electronic Engineering Tsinghua University Information Systems Technology and Design Pillar SUTD Department of Electrical and Computer Engineering HKUST

ISBN: (纸本)9781509013296

Highly mobile wireless communication attracts much more attention currently due to the rapid development of high speed railways (HSRs) all over the world. Although the single train scenario has been well studied by now, two trains encountering scenario over the general two-way railways is also an important problem deserving to investigate. To this end, this paper concentrates on the uplink information transmission of HSRs in the two trains encountering scenario, which is modeled as a time-varying partial multiple access channel. In order to evaluate the transmission performance, the achievable rate region is utilized as a metric to characterize the tradeoff between the rates that each train can obtain under limited channel source constraint. With the help of superposition modulation and sequential interference cancelling, an optimal adaptive power allocation scheme aided by real-time position information is proposed to achieve the maximal boundary of the achievable rate region, namely alleviating the effect of encountering on information transmission to the largest extent. According to the numerical results, great improvement can be obtained by new proposed adaptive power allocation along time.

关键词： Highly mobile wireless communication Achievable rate region Position-based power allocation achievable rate region power splitting TRAIN CARRIER SYSTEM data transmission adaptive power allocation up link Transmission Characteristics ENCOUNTERS tradeoffs

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A high-speed interconnect-model in s-domain

A high-speed interconnect-model in s-domain

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IEEE MTT-S Latin America Microwave Conference (LAMC)

作者： Rodriguez R. Carlos J. L. Naredo R. Parra Michel O. Longoria Intel Guadalajara Design Center Zapopan Jalisco Mexico Cinvestav Guadalajara Department of Electrical Engineering and Computer Sciences Jalisco Mexico ITESO Department of electronics Systems and Computer Science Guadalajara Jalisco Mexico

ISBN: (纸本)9781509042883

This paper presents a Laplace or s-domain model to analyze high speed interconnects and proposes its use as complement to models based on time domain techniques. This model provides transient responses by applying an inverse numerical Laplace transform to functions describing PCB-interconnects as multiconductor transmission lines (MTLs) in frequency domain. As compared to Fourier-transform-based models, the one presented here provides a highly effective means to control aliasing errors. Comparisons of the s-domain model with two commercial-grade ones are included here to demonstrate its effectiveness.

关键词： Integrated circuit interconnections Computational modeling Conductors Time-domain analysis Numerical models Frequency-domain analysis Laplace equations

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Routing entanglement in the quantum internet

arXiv

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arXiv 2017年

作者： Pant, Mihir Krovi, Hari Towsley, Don Tassiulas, Leandros Jiang, Liang Basu, Prithwish Englund, Dirk Guha, Saikat Department of Electrical Engineering and Computer Science MIT CambridgeMA United States Quantum Information Processing group Raytheon BBN Technologies 10 Moulton Street CambridgeMA College of Information and Computer Sciences University of Massachusetts AmherstMA United States School of Engineering and Applied Science Yale University 17 Hill House Avenue New HavenCT United States Departments of Applied Physics and Physics Yale University New HavenCT United States Yale Quantum Institute Yale University New HavenCT United States Advanced Networking Systems Raytheon BBN Technologies 10 Moulton Street CambridgeMA United States College of Optical Sciences University of Arizona 1630 East University Boulevard TucsonAZ United States

Remote quantum entanglement can enable numerous applications including distributed quantum computation, secure communication, and precision sensing. In this paper, we consider how a quantum network-nodes equipped with limited quantum processing capabilities connected via lossy optical links-can distribute high-rate entanglement simultaneously between multiple pairs of users (multiple flows). We develop protocols for such quantum "repeater" nodes, which enable a pair of users to achieve large gains in entanglement rates over using a linear chain of quantum repeaters, by exploiting the diversity of multiple paths in the network. Additionally, we develop repeater protocols that enable multiple user pairs to generate entanglement simultaneously at rates that can far exceed what is possible with repeaters time sharing among assisting individual entanglement flows. Our results suggest that the early-stage development of quantum memories with short coherence times and implementations of probabilistic Bell-state measurements can have a much more profound impact on quantum networks than may be apparent from analyzing linear repeater chains. This framework should spur the development of a general quantum network theory, bringing together quantum memory physics, quantum information theory, and computer network theory. Copyright © 2017, The Authors. All rights reserved.

关键词： Information theory

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Author Correction: Why rankings of biomedical image analysis competitions should be interpreted with care

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Nature communications 2019年第1期10卷 588页

作者： Lena Maier-Hein Matthias Eisenmann Annika Reinke Sinan Onogur Marko Stankovic Patrick Scholz Tal Arbel Hrvoje Bogunovic Andrew P Bradley Aaron Carass Carolin Feldmann Alejandro F Frangi Peter M Full Bram van Ginneken Allan Hanbury Katrin Honauer Michal Kozubek Bennett A Landman Keno März Oskar Maier Klaus Maier-Hein Bjoern H Menze Henning Müller Peter F Neher Wiro Niessen Nasir Rajpoot Gregory C Sharp Korsuk Sirinukunwattana Stefanie Speidel Christian Stock Danail Stoyanov Abdel Aziz Taha Fons van der Sommen Ching-Wei Wang Marc-André Weber Guoyan Zheng Pierre Jannin Annette Kopp-Schneider Division of Computer Assisted Medical Interventions (CAMI) German Cancer Research Center (DKFZ) 69120 Heidelberg Germany. l.maier-hein@dkfz.de. Division of Computer Assisted Medical Interventions (CAMI) German Cancer Research Center (DKFZ) 69120 Heidelberg Germany. Centre for Intelligent Machines McGill University Montreal QC H3A0G4 Canada. Christian Doppler Laboratory for Ophthalmic Image Analysis Department of Ophthalmology Medical University Vienna 1090 Vienna Austria. Science and Engineering Faculty Queensland University of Technology Brisbane QLD 4001 Australia. Department of Electrical and Computer Engineering Department of Computer Science Johns Hopkins University Baltimore MD 21218 USA. CISTIB - Center for Computational Imaging & Simulation Technologies in Biomedicine The University of Leeds Leeds Yorkshire LS2 9JT UK. Department of Radiology and Nuclear Medicine Medical Image Analysis Radboud University Center 6525 GA Nijmegen The Netherlands. Institute of Information Systems Engineering TU Wien 1040 Vienna Austria. Complexity Science Hub Vienna 1080 Vienna Austria. Heidelberg Collaboratory for Image Processing (HCI Heidelberg University 69120 Heidelberg Germany. Centre for Biomedical Image Analysis Masaryk University 60200 Brno Czech Republic. Electrical Engineering Vanderbilt University Nashville TN 37235-1679 USA. Institute of Medical Informatics Universität zu Lübeck 23562 Lübeck Germany. Division of Medical Image Computing (MIC) German Cancer Research Center (DKFZ) 69120 Heidelberg Germany. Institute for Advanced Studies Department of Informatics Technical University of Munich 80333 Munich Germany. Information System Institute HES-SO Sierre 3960 Switzerland. Departments of Radiology Nuclear Medicine and Medical Informatics Erasmus MC 3015 GD Rotterdam The Netherlands. Department of Computer Science University of Warwick Coventry CV4 7AL UK. Department of Radiation Oncology Massachusetts General Hospital Boston MA

In the original version of this Article the values in the rightmost column of Table 1 were inadvertently shifted relative to the other columns. This has now been corrected in the PDF and HTML versions of the Article.

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The evolutionary history of 2,658 cancers (vol 578, pg 122, 2020)

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NATURE 2023年第7948期614卷 E42-E42页

作者： Gerstung, Moritz Jolly, Clemency Leshchiner, Ignaty Dentro, Stefan C. Gonzalez, Santiago Rosebrock, Daniel Mitchell, Thomas J. Rubanova, Yulia Anur, Pavana Yu, Kaixian Tarabichi, Maxime Deshwar, Amit Wintersinger, Jeff Kleinheinz, Kortine Vazquez-Garcia, Ignacio Haase, Kerstin Jerman, Lara Sengupta, Subhajit Macintyre, Geoff Malikic, Salem Donmez, Nilgun Livitz, Dimitri G. Cmero, Marek Demeulemeester, Jonas Schumacher, Steven Fan, Yu Yao, Xiaotong Lee, Juhee Schlesner, Matthias Boutros, Paul C. Bowtell, David D. Zhu, Hongtu Getz, Gad Imielinski, Marcin Beroukhim, Rameen Sahinalp, S. Cenk Ji, Yuan Peifer, Martin Markowetz, Florian Mustonen, Ville Yuan, Ke Wang, Wenyi Morris, Quaid D. Spellman, Paul T. Wedge, David C. Van Loo, Peter European Molecular Biology Laboratory European Bioinformatics Institute (EMBL-EBI) Cambridge UK European Molecular Biology Laboratory Genome Biology Unit Heidelberg Germany Wellcome Sanger Institute Cambridge UK Genome Biology Unit European Molecular Biology Laboratory (EMBL) Heidelberg Germany University of Ljubljana Ljubljana Slovenia The Francis Crick Institute London UK Big Data Institute University of Oxford Oxford UK Wellcome Sanger Institute Wellcome Genome Campus Hinxton UK Big Data Institute Li Ka Shing Centre University of Oxford Oxford UK University of Cambridge Cambridge UK Cambridge University Hospitals NHS Foundation Trust Cambridge UK Department of Applied Mathematics and Theoretical Physics Centre for Mathematical Sciences University of Cambridge Cambridge UK Department of Epidemiology and Biostatistics Memorial Sloan Kettering Cancer Center New York NY USA Department of Statistics Columbia University New York NY USA Department of Haematology University of Cambridge Cambridge UK University of Leuven Leuven Belgium Broad Institute of MIT and Harvard Cambridge MA USA Center for Cancer Research Massachusetts General Hospital Charlestown MA USA Department of Pathology Massachusetts General Hospital Boston MA USA Harvard Medical School Boston MA USA Center for Cancer Research Massachusetts General Hospital Boston MA USA Dana-Farber Cancer Institute Boston MA USA Department of Medical Oncology Dana-Farber Cancer Institute Boston MA USA Department of Cancer Biology Dana-Farber Cancer Institute Boston MA USA Oxford NIHR Biomedical Research Centre Oxford UK Oxford NIHR Biomedical Research Centre University of Oxford Oxford UK University of Toronto Toronto Ontario Canada Vector Institute Toronto Ontario Canada Vector Institute Toronto ON Canada Department of Computer Science University of Toronto Toronto ON Canada Ontario Institute for Cancer Research Toronto Ontario Canada University of California Los Angeles

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Multi-granular Arithmetic in a Coarse-Grain Reconfigurable Architecture

Multi-granular Arithmetic in a Coarse-Grain Reconfigurable A...

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Euromicro Symposium on Digital System design

作者： Stef Louwers Luc Waeijen Mark Wijtvliet Ruud Koolen Henk Corporaal Advanced Technology Development Centre School of Electronic and Information Engineering Nantong University Nantong China iTrust Singapore University of Technology and Design Singapore Electronics and Electrical Communication Engineering Department of Information and Communication Engineering Daegu Gyeongbuk Institute of Science and Technology Daegu South Korea Department of Computer Science and Engineering Indian Institute of Technology Kharagpur India Information Systems Technology and Design Pillar Singapore University of Technology and Design Singapore

Mismatch between operand width and hardware operation width is a source of energy inefficiency. This work proposes multi-granular arithmetic, which can adapt the hardware operation width to the application, preventing energy being wasted. In particular multi-granular arithmetic in the context of coarse-grain reconfigurable architectures is considered for the operations of addition, accumulation, multiplication, and multiply-accumulation. Using a silicon synthesis-toolflow it is shown that the multi-granular designs can perform narrow width operations, e.g. an 8-by-8 multiplication, much more efficiently than standard full-width circuits. For multiplication the required energy is reduced by up to 15 times under realistic conditions when compared to a full-width 32x32 multiplier.

关键词： computer architecture Registers Field programmable gate arrays Adders Logic gates Hardware Decoding

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Promoting resilience for food, energy, and water interdependencies

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Journal of Environmental Studies and Sciences 2016年第1期6卷 50-61页

作者： Zimmerman, Rae Zhu, Quanyan Dimitri, Carolyn Institute for Civil Infrastructure Systems (www.nyu.edu/icis) Robert F. Wagner Graduate School of Public Service New York University 295 Lafayette Street–2nd Floor New York 10012 NY United States Department of Electrical and Computer Engineering Tandon School of Engineering New York University 5 MetroTech Center-LC200A Brooklyn 11201 NY United States Departments of Nutrition Food Studies and Public Health Steinhardt School New York University New York 10003 NY United States

This paper presents relationships among food, energy, and water (FEW) systems, reflecting the interconnections among the energy/water, water/energy, water/food, and energy/food sectors. First, a unique approach uses metrics and quantification to reflect interdependencies among these sectors. Next, changes in food technology and practices are put forth in terms of impacts changes are likely to produce for a set of FEW system relationships. Organic farming or shifts in food consumption patterns, such as reduced meat consumption, are two examples of changes in food technology and practices that could affect water and energy use. From a policy perspective, changes in energy and water policy can potentially facilitate increased water conservation and greater use of renewable energy sources;such policy shifts are addressed in terms of changes to metrics and/or their values. The purpose of this work is to establish a network model that quantifies interdependencies among different sectors in terms of resource usage. The model is flexible and can accommodate other factors such as cyberphysical and logical interdependencies. The established model that these metrics provide inputs for enables analysis and design of the resilience mechanisms for FEW complex systems. Examples are used to illustrate the concepts developed in this work. © 2016, AESS.

关键词： Food-energy-water production tradeoffs Infrastructure interdependencies Network analysis Organic agriculture Resilience

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Stability of a giant connected component in a complex network

arXiv

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arXiv 2017年

作者： Kitsak, Maksim Ganin, Alexander A. Eisenberg, Daniel A. Krapivsky, Pavel L. Krioukov, Dmitri Alderson, David L. Linkov, Igor Department of Physics Northeastern University 110 Forsyth Street 111 Dana Research Center BostonMA02115 United States University of Virginia Department of Systems and Information Engineering CharlottesvilleVA22904 United States U.S. Army Engineer Research and Development Center Contractor ConcordMA01742 United States School of Sustainable Engineering and the Built Environment Arizona State University TempeAZ85281 United States Department of Physics Boston University BostonMA02215 United States Departments of Physics Mathematics and Electrical and Computer Engineering Northeastern University BostonMA02115 United States Operations Research Department Naval Postgraduate School MontereyCA93943 United States U.S. Army Engineer Research and Development Center Environmental Laboratory ConcordMA01742 United States

We analyze the stability of the network’s giant connected component under impact of adverse events, which we model through the link percolation. Specifically, we quantify the extent to which the largest connected component of a network consists of the same nodes, regardless of the specific set of deactivated links. Our results are intuitive in the case of single-layered systems: the presence of large degree nodes in a single-layered network ensures both its robustness and stability. In contrast, we find that interdependent networks that are robust to adverse events have unstable connected components. Our results bring novel insights to the design of resilient network topologies and the reinforcement of existing networked systems. Copyright © 2017, The Authors. All rights reserved.

关键词： Complex networks

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Preface

Lecture Notes of the Institute for Computer Sciences, Social...

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Lecture Notes of the Institute for computer Sciences, Social-Informatics and Telecommunications engineering, LNICST 2017年 212卷 VI页

作者： Duan, Lingjie Sanjab, Anibal Li, Husheng Chen, Xu Materassi, Donatello Elazouzi, Rachid Engineering Systems and Design Pillar Singapore University of Technology and Design Dover Singapore Virginia Tech BlacksburgVA United States Electrical Engineering/Computer Sciences The University of Tennessee KnoxvilleTN United States School of Data and Computer Science Higher Education Mega Center Sun Yat-sen University Guangzhou China University of Tennessee KnoxvilleTN United States University of Avignon Avignon France

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Preservation and interconnection of iISS and ISS dissipation inequalities by scaling

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IFAC-PapersOnLine 2015年第11 11期48卷 766-771页

作者： Ito, Hiroshi Kellett, Christopher M. Department of Systems Design and Informatics Kyushu Institute of Technology Iizuka Fukuoka820-8502 Japan School of Electrical Engineering and Computer Science The University of Newcastle CallaghanNew South Wales2308 Australia

Scaling of Lyapunov functions has been a central tool in analysis and design of nonlinear systems. In this paper, the essence of some scaling techniques used extensively in the literature is reformulated in view of preservation of dissipation inequalities of integral input-to-state stability (iISS) and input-to-state stability (ISS). The iISS small-gain theorem is revisited from this viewpoint. Preservation of ISS dissipation inequalities is shown to not always be necessary, while preserving iISS which is weaker than ISS is convenient. By establishing relationships between the Legendre-Fenchel transform and the reformulated scaling techniques, this paper proposes a way to construct less complicated Lyapunov functions for interconnected systems. © 2015

关键词： Lyapunov methods Energy dissipation Lyapunov functions Nonlinear systems Dissipation inequality Input to state stability Integral input to state stability Integral input to state stability (iISS) Legendre Fenchel transforms Small gain theorem

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