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IEEE Vehicular Technology Conference

作者： Sebastian Schellenberg Rudiger Berndt David Eckhoff Reinhard German Computer Networks and Communication Systems Dept. of Computer Science University of Erlangen

ISBN: (纸本)9781479944484

The transition from classic combustion engine vehicles to electric vehicles is a major step to reduce worldwide CO_2 emissions. In order to correctly and efficiently investigate impacts on the electric grid and the dimensioning of charging infrastructure, or to explore new technologies for a further increase of the driving range, realistic simulation models are required. In this paper, we present an accurate yet computationally inexpensive battery and kinematic model to be used in microscopic traffic simulation to help study the performance of thousands of electric vehicles. Our model also supports recuperation and range extender modules while only relying on the vehicle's speed and a set of constant predefined parameters. It can therefore be easily coupled with current sophisticated traffic simulators. We show its applicability and correctness regarding the State of Charge and power flows using comprehensive real-life experiments.

关键词： Electromobility IVC Lithium-ion battery model

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An Integrated QoT-aware Traffic Grooming Heuristic for Multi-granularity D-connection Establishment in Survivable SRLG-constrained Translucent networks

An Integrated QoT-aware Traffic Grooming Heuristic for Multi...

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International Conference on Wireless and Optical communications networks

作者： Maroua Bakri Mohamed Koubaa Ammar Bouallegue Maurice Gagnaire Communication System Laboratory Sys'Com University Tunis El Manar Tunis Tunisia Department of Computer Science and Networks Télécom ParisTech Paris France

ISBN: (纸本)9781467392785

In this paper, we address for the first time, to the best of our knowledge, the problem of provisioning sub-wavelength granularity connections with fault-tolerant requirements for survivable translucent wavelength-routed grooming transport networks impaired with physical-layer effects taking into consideration Shared Risk Link Group (SRLG) constraints. A practical two-phase heuristic algorithm is, thus, introduced to solve the problem relying on a novel generic purpose-built auxiliary graph model that may support various factors of network heterogeneity and represent numerous network constraints. The presented heuristic attempts to optimize the utilization of available network-resources in order to maximize network throughput through the simultaneous use of traffic grooming and two other resource sharing techniques combined for the first time, as far as we know, under a static traffic scenario, and performed in such a way that 100% QoT-aware SRLG-fault recoverability is still guaranteed for all serviced requests. The effectiveness of the proposed approach is demonstrated through numerical experiments carried out on different network topologies.

关键词： Bandwidth Ports (computers) Resource management Network topology Heuristic algorithms Routing Fault tolerance

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26th Annual Computational Neuroscience Meeting (CNS*2017): Part 3 Antwerp, Belgium. 15-20 July 2017 Abstracts

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BMC NEUROscience 2017年第SUPPL 1期18卷 95-176页

作者： [Anonymous] Department of Neuroscience Yale University New Haven CT 06520 USA Department Physiology & Pharmacology SUNY Downstate Brooklyn NY 11203 USA NYU School of Engineering 6 MetroTech Center Brooklyn NY 11201 USA Departament de Matemàtica Aplicada Universitat Politècnica de Catalunya Barcelona 08028 Spain Institut de Neurobiologie de la Méditerrannée (INMED) INSERM UMR901 Aix-Marseille Univ Marseille France Center of Neural Science New York University New York NY USA Aix-Marseille Univ INSERM INS Inst Neurosci Syst Marseille France Laboratoire de Physique Théorique et Modélisation CNRS UMR 8089 Université de Cergy-Pontoise 95300 Cergy-Pontoise Cedex France Department of Mathematics and Computer Science ENSAT Abdelmalek Essaadi’s University Tangier Morocco Laboratory of Natural Computation Department of Information and Electrical Engineering and Applied Mathematics University of Salerno 84084 Fisciano SA Italy Department of Medicine University of Salerno 84083 Lancusi SA Italy Dipartimento di Fisica Università degli Studi Aldo Moro Bari and INFN Sezione Di Bari Italy Data Analysis Department Ghent University Ghent Belgium Coma Science Group University of Liège Liège Belgium Cruces Hospital and Ikerbasque Research Center Bilbao Spain BIOtech Department of Industrial Engineering University of Trento and IRCS-PAT FBK 38010 Trento Italy Department of Data Analysis Ghent University Ghent 9000 Belgium The Wellcome Trust Centre for Neuroimaging University College London London WC1N 3BG UK Department of Electronic Engineering NED University of Engineering and Technology Karachi Pakistan Blue Brain Project École Polytechnique Fédérale de Lausanne Lausanne Switzerland Departement of Mathematics Swansea University Swansea Wales UK Laboratory for Topology and Neuroscience at the Brain Mind Institute École polytechnique fédérale de Lausanne Lausanne Switzerland Institute of Mathematics University of Aberdeen Aberdeen Scotland UK Department of Integrativ

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Adaptive Load Allocation for Combining Anomaly Detectors Using Controlled Skips

Adaptive Load Allocation for Combining Anomaly Detectors Usi...

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International Conference on Computing, Networking and communications

作者： Mario Berger Felix Erlacher Christoph Sommer Falko Dressler Barracuda Networks Innsbruck Austria Computer and Communication Systems Institute of Computer Science University of Innsbruck Austria Computer and Communication Systems Institute of Computer Science University of Innsbruck Austria

ISBN: (纸本)9781479923601

Traditional Intrusion Detection Systems (IDS) can be complemented by an Anomaly Detection Algorithm (ADA) to also identify unknown attacks. We argue that, as each ADA has its own strengths and weaknesses, it might be beneficial to rely on multiple ADAs to obtain deeper insights. ADAs are very resource intensive;thus, real-time detection with multiple algorithms is even more challenging in high-speed networks. To handle such high data rates, we developed a controlled load allocation scheme that adaptively allocates multiple ADAs on a multi-core system. The key idea of this concept is to utilize as many algorithms as possible without causing random packet drops, which is the typical system behavior in overload situations. We developed a proof of concept anomaly detection framework with a sample set of ADAs. Our experiments confirm that the detection performance can substantially benefit from using multiple algorithms and that the developed framework is also able to cope with high packet rates.

关键词： IDS ADAs weaknesses

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Increase Throughput of CCM Security Mode Using MKP

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Applied Mathematics 2014年第4期5卷 581-592页

作者： Zuriati Ahmad Zukarnain Department of Communication Technology and Networks Faculty of Computer Science and Information Technology University Putra Malaysia Serdang Selangor Malaysia

A security protocol is used to ensure the messages transferred over a network free from attack. The CCM security operation mode adopts CTR, and CBC-MAC schemes to implement message ciphering and authentication respectively. There are two limitations of CCM including the secret key which should refresh for each 264 blocks in CTR mode and the authentication operation of CBC-MAC works in sequential fashion on multi-processor system. In this paper, we have proved that the Multiple Key Protocol (MKP) can be used within CTR mode to increase the size of the transferred message. Also, we have showed that the DMAC algorithm is able to decrease the time of authentication operation on multi-processing units system.

关键词： CBC-MAC CCM CTR Message Authentication Throughput Parallel Message Authentication

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Toward an Open Source Location Privacy Evaluation Framework for Vehicular networks

Toward an Open Source Location Privacy Evaluation Framework ...

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IEEE Vehicular Technology Conference

作者： David Eckhoff Mykola Protsenko Reinhard German Computer Networks and Communication Systems Dept. of Computer Science University of Erlangen IT Security Infrastructures Dept. of Computer Science University of Erlangen

ISBN: (纸本)9781479944484

Inter-Vehicle communication (IVC), i.e., the ad hoc information exchange between vehicles, is believed to help increase traffic safety, improve traffic efficiency, and also increase the comfort of drivers. Often simulation is used to evaluate these applications. The fact that this becomes a challenging task in the context of privacy is one of the reasons that proper privacy protection is often disregarded [1]. The concept of privacy is very abstract, meaning it is difficult to quantify the level of privacy protection and find easy to understand metrics [2]. Also, in order to compare two different privacy protection mechanisms, the exact settings of the simulation have to be known. In vehicular network simulation, and more so in privacy simulation, results heavily depend on the used parameters and due to space limitations they are often not in the article presenting a privacy protection scheme [3]. To make matters worse, there is still no publicly available simulation environment, requiring each researcher to implement their own evaluation tools.

关键词： Privacy Vehicles Traffic control Tracking Position measurement Computational modeling

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A context-aware battery lifetime model for carrier aggregation enabled LTE-A systems

A context-aware battery lifetime model for carrier aggregati...

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Consumer communications and Networking Conference, CCNC IEEE

作者： Bjoern Dusza Peter Marwedel Olaf Spinczyk Christian Wietfeld Communication Networks Institute TU Dortmund University Computer Science 12 TU Dortmund University

A Quality of Experience (QoE) parameter of increasing importance is the time that a battery powered communication device (e.g. smartphone) can be operated before it needs to be recharged. However, due to the fact that battery capacity is not evolving as fast as the power requirement, the battery lifetime of modern user equipment is stagnating or even decreasing from one device generation to another. In parallel, a major challenge for the design of next generation wireless systems such as LTE-Advanced (LTE-A) is that the required high portion of spectrum is not available in a consecutive portion. For this reason, a procedure called interband non-continuous Carrier Aggregation (CA) will be introduced in LTE-A which allows for the combination of multiple spectrum pieces from different frequency bands. This procedure however requires the parallel operation of multiple power amplifiers that are characterized by a high energy demand. In this paper, we quantify the impact of CA on the power consumption of LTE-A enabled communication by means of a Markovian based power consumption model that incorporates system parameters as well as context parameters. The results show that the suitability of CA does from a battery lifetime perspective strongly depend upon the actual device characteristics as well as the resource availability is the various frequency bands. Furthermore, the application of the sophisticated Kinetic Battery Model (KiBaM) shows that the charge recovery effect during idle periods does significantly affect the battery lifetime.

关键词： Power demand Batteries Bandwidth Long Term Evolution Throughput Green computing Context

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Joint User Scheduling and Antenna Selection in Distributed Massive MIMO Systems with Limited Backhaul Capacity

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China communications 2014年第5期11卷 17-30页

作者： XU Guozhen LIU An JIANG Wei XIANG Haige LUO Wu The State Key Laboratory of Advanced Optical Communication Systems and Networks Peking University China Department of Electrical and Computer Engineering Hong Kong University of Science and Technology Hong Kong China

Massive MIMO systems offer a high spatial resolution that can drastically increase the spectral and/or energy efficiency by employing a large number of antennas at the base station(BS).In a distributed massive MIMO system,the capacity of fiber backhaul that links base station and remote radio heads is usually limited,which becomes a bottleneck for realizing the potential performance gain of both downlink and *** solve this problem,we propose a joint antenna selection and user scheduling which is able to achieve a large portion of the potential gain provided by the massive MIMO array with only limited backhaul *** sub-optimal iterative algorithms with the objective of sumrate maximization are proposed for the joint optimization of antenna selection and user scheduling,either based on greedy fashion or Frobenius-norm *** and complexity analysis are presented for the *** provided Monte Carlo simulations show that,one of our algorithms achieves a good tradeoff between complexity and performance and thus is especially fit for massive MIMO systems.

关键词： massive MIMO limited backhaul capacity antenna selection user scheduling

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25th Annual Computational Neuroscience Meeting CNS-2016, Seogwipo City, South Korea, July 2-7, 2016 Abstracts

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BMC NEUROscience 2016年第1期17卷 1-112页

作者： [Anonymous] Computational Neurobiology Laboratory The Salk Institute for Biological Studies San Diego USA UNIC CNRS Gif sur Yvette France The European Institute for Theoretical Neuroscience (EITN) Paris France ATR Computational Neuroscience Laboratories Kyoto Japan Krembil Research Institute University Health Network Toronto Canada Department of Physiology University of Toronto Toronto Canada Department of Medicine (Neurology) University of Toronto Toronto Canada Department of Physics University of New Hampshire Durham USA Department of Neurophysiology Nencki Institute of Experimental Biology Warsaw Poland Department of Theory Wigner Research Centre for Physics of the Hungarian Academy of Sciences Budapest Hungary Department of Mathematical Sciences KAIST Daejoen Republic of Korea Department of Mathematics University of Houston Houston USA Department of Biochemistry & Cell Biology and Institute of Biosciences and Bioengineering Rice University Houston USA Department of Biology and Biochemistry University of Houston Houston USA Grupo de Neurocomputación Biológica Dpto. de Ingeniería Informática Escuela Politécnica Superior Universidad Autónoma de Madrid Madrid Spain Department of Biological Sciences University of Southern California Los Angeles USA Center for Neuroscience Korea Institute of Science and Technology Seoul South Korea Department of Neurology Albert Einstein College of Medicine Bronx USA Center for Neuroscience KIST Seoul South Korea Department of Neuroscience University of Science and Technology Daejon South Korea Systems Neuroscience Group QIMR Berghofer Medical Research Institute Herston Australia Department of Psychology Yonsei University Seoul South Korea Department of Psychiatry Kyung Hee University Hospital at Gangdong Seoul South Korea Department of Psychiatry Veterans Administration Boston Healthcare System and Harvard Medical School Brockton USA Department of Electrical and Electronic Engineering The University of Melbourne Parkvil

A1 Functional advantages of cell-type heterogeneity in neural circuits Tatyana O. Sharpee A2 Mesoscopic modeling of propagating waves in visual cortex Alain Destexhe A3 Dynamics and biomarkers of mental disorders Mitsuo Kawato F1 Precise recruitment of spiking output at theta frequencies requires dendritic h-channels in multi-compartment models of oriens-lacunosum/moleculare hippocampal interneurons Vladislav Sekulić, Frances K. Skinner F2 Kernel methods in reconstruction of current sources from extracellular potentials for single cells and the whole brains Daniel K. Wójcik, Chaitanya Chintaluri, Dorottya Cserpán, Zoltán Somogyvári F3 The synchronized periods depend on intracellular transcriptional repression mechanisms in circadian clocks. Jae Kyoung Kim, Zachary P. Kilpatrick, Matthew R. Bennett, Kresimir Josić O1 Assessing irregularity and coordination of spiking-bursting rhythms in central pattern generators Irene Elices, David Arroyo, Rafael Levi, Francisco B. Rodriguez, Pablo Varona O2 Regulation of top-down processing by cortically-projecting parvalbumin positive neurons in basal forebrain Eunjin Hwang, Bowon Kim, Hio-Been Han, Tae Kim, James T. McKenna, Ritchie E. Brown, Robert W. McCarley, Jee Hyun Choi O3 Modeling auditory stream segregation, build-up and bistability James Rankin, Pamela Osborn Popp, John Rinzel O4 Strong competition between tonotopic neural ensembles explains pitch-related dynamics of auditory cortex evoked fields Alejandro Tabas, André Rupp, Emili Balaguer-Ballester O5 A simple model of retinal response to multi-electrode stimulation Matias I. Maturana, David B. Grayden, Shaun L. Cloherty, Tatiana Kameneva, Michael R. Ibbotson, Hamish Meffin O6 Noise correlations in V4 area correlate with behavioral performance in visual discrimination task Veronika Koren, Timm Lochmann, Valentin Dragoi, Klaus Obermayer O7 Input-location dependent gain modulation in cerebellar nucleus neurons Maria Psarrou, Maria Schilstra, Neil Davey, Benjamin Torben-Ni

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QoE-Aware LTE Radio Link Control Parameters for Voice over IP in Vehicular Environments

QoE-Aware LTE Radio Link Control Parameters for Voice over I...

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IEEE Vehicular Technology Conference

作者： Ren-Huang Liou Christoph Ide Bjoern Dusza Christian Wietfeld Yi-Bing Lin Department of Computer Science National Chiao Tung University Communication Networks Institute TU Dortmund University

ISBN: (纸本)9781479944811

In Long Term Evolution (LTE), Voice over Internet Protocol (VoIP) is used for the delivery of the voice data. One of the major challenges for VoIP over LTE is to guarantee the Quality of Experience (QoE) of the VoIP calls. This paper uses an LTE base station emulator and a radio channel emulator to evaluate the impacts of different User Equipment (UE) velocities and Radio Link Control (RLC) parameter values on the QoE of the calls in the vehicular environment. Our study shows that LTE can provide acceptable VoIP quality in the high-speed scenarios (e.g., high-speed train). This paper provides the guidelines for the telecommunications operators to select the appropriate parameter values when deploying their VoIP services in LTE.

关键词： LTE MOS Speed VoIP

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