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2018 International Symposium on Networks, Computers and Communications (ISNCC)最新文献

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A U-shaped Wide band frequency reconfigurable dielectric resonator antenna for 5G applications 一种用于5G应用的u形宽带频率可重构介质谐振器天线
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8530983
Shahid Khan, Hazrat Ali, J. Nasir, L. Siéler, C. Tanougast
Reconfigurable antennas are getting more attention because of having numerous functionalities. In this work, a novel wide band frequency reconfigurable U-shaped dielectric resonating antenna has been presented and analyzed for future 5G applications. The proposed design has the potential to switch the frequency at three different wide bands between 7.5 GHz and 14.5 GHz. The U-shaped dielectric resonator antenna (DRA) with permittivity 10.2 is fed by micro strip line of 50 Ohm and. 035mm height for impedance matching. To improve the values of the return loss and enhance the bandwidth, the DRA is stacked with a micro strip patch at backside. The re-configurability is achieved using PIN diodes as switches on the ground plane. The switches are placed on the rectangular slot made on the ground plane. There are three switching states i.e., OFF-OFF, OFF-ON, ON-FF which helps to attain the shift in three different wide operating bands. The overall size of the proposed design is found to be $30times 28times 4.535 mathbf{mm}^{3}$. The simulated results shows that the proposed design provides three wide bands operations with 32.5%, 25% and 87.25% bandwidth respectively.
可重构天线由于具有多种功能而受到越来越多的关注。在这项工作中,提出并分析了一种新型宽带频率可重构u形介质谐振天线,用于未来的5G应用。提出的设计有可能在7.5 GHz和14.5 GHz之间的三个不同宽带上切换频率。采用50欧姆微带线馈电的介电常数为10.2的u型介质谐振器天线(DRA)。035mm高度用于阻抗匹配。为了提高回波损耗值和提高带宽,在DRA的背面叠加了微带贴片。可重新配置性是使用PIN二极管作为接地面上的开关来实现的。交换机放置在接地平面上做的矩形槽位上。有三种开关状态,即OFF-OFF, OFF-ON, ON-FF,这有助于在三个不同的宽工作频带中实现移位。所建议设计的总体尺寸为$30乘以28乘以4.535 mathbf{mm}^{3}$。仿真结果表明,该设计可提供32.5%、25%和87.25%带宽的三种宽带操作。
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引用次数: 5
Proposal of Multi-Pathization Method of UDP with SDN for NFS 基于SDN的NFS协议UDP多路径化方法的研究
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8530967
K. Iwata, Yoshihiro Ito
This paper proposes a novel method of UDP multi-pathization with SDN for NFS. Although current UDP protocol, which is one of the transport layer protocol of NFS, cannot handle multiple paths simultaneously, the proposed method can multi-pathize UDP by utilizing SDN without any changes of current TCP/IP protocols. The method distributes packets over multiple paths according to the congestion of the paths and the length of IP packets. Since the control is performed on SDN, no changes of existing protocols, softwares, and devices are required. The authors implemented their method by using OpenFlow and IoT devices, Raspberry Pi 3 as SDN protocols and IoT devices, respectively; they then confirmed the effectiveness of the proposed method by actual experiments.
提出了一种基于SDN的NFS协议UDP多路径化新方法。虽然目前的UDP协议是NFS的传输层协议之一,无法同时处理多条路径,但本文提出的方法可以在不改变现有TCP/IP协议的情况下,利用SDN实现UDP的多路径化。该方法根据路径的拥塞情况和IP报文的长度,在多条路径上分配报文。由于控制是在SDN上执行的,因此不需要更改现有的协议、软件和设备。作者分别使用OpenFlow和物联网设备,树莓派3作为SDN协议和物联网设备来实现他们的方法;然后,他们通过实际实验证实了所提出方法的有效性。
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引用次数: 2
User-Centered Design of a Service-Oriented Application to Help People with Memory Limitations 面向服务的应用程序以用户为中心的设计,以帮助有内存限制的人
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8531028
Cristian Cuerda-Gonzalez, J. A. Gallud, D. Alghazzawi
This article describes the user-centered design of a service-oriented application to help people with memory limitations called Forgettify. Forgettify is an Android app that consumes REST services, which are managed by means of a Web client. The app provides a set of video guides that are used by people with memory limitations. The Web client is the tool used by professionals and family to customize the Android app. This application has been designed and developed using a User-Centered Design process inspired in the Usability Engineering Lifecycle. The article includes a preliminary user evaluation that shows the benefits of the proposal.
本文描述了面向服务的应用程序的以用户为中心的设计,以帮助有内存限制的人(称为Forgettify)。forget是一个Android应用程序,它使用REST服务,这些服务通过Web客户端进行管理。该应用程序提供了一组视频指南,供记忆受限的人使用。Web客户端是专业人士和家庭用来定制Android应用程序的工具。这个应用程序的设计和开发使用了一个以用户为中心的设计过程,灵感来自于可用性工程生命周期。本文包括一个初步的用户评估,显示了该建议的好处。
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引用次数: 0
Millimeter-Wave MIMO Balanced Antipodal Vivaldi Antenna Design for Autonomous Cars 自动驾驶汽车毫米波MIMO平衡对映维瓦尔第天线设计
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8531018
A. Araghi, M. Khalily, P. Xiao, Arash Kosari, H. Zarrabi, R. Tafazolli
This paper introduces a millimeter-wave multiple-input-multiple-output (MIMO) antenna for autonomous (self-driving) cars. The antenna is a modified four-port balanced antipodal Vivaldi which produces four directional beams and provides pattern diversity to cover 90 deg angle of view. By using four antennas of this kind on four corners of the car's bumper, it is possible to have a full 360 deg view around the car. The designed antenna is simulated by two commercially full-wave packages and the results indicate that the proposed method can successfully bring the required 90 deg angle of view.
介绍了一种用于自动驾驶汽车的毫米波多输入多输出(MIMO)天线。该天线是一种改进的四端口平衡对跖维瓦尔第天线,可产生四个定向波束,并提供覆盖90度视角的模式多样性。通过在汽车保险杠的四个角落使用这种天线,可以360度全方位观察汽车。用两个商用全波包对所设计的天线进行了仿真,结果表明所提出的方法能够成功地实现所需的90度视角。
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引用次数: 6
Managing IoT-Based Smart Healthcare Systems Traffic with Software Defined Networks 使用软件定义网络管理基于物联网的智能医疗系统流量
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8530920
F. Sallabi, F. Naeem, M. Awad, K. Shuaib
Internet of things (IoT) aims to connect billions of devices to the Internet. These devices generate an enormous amount of traffic. A Wireless Body Area Network (WBAN) aggregates the data generated from the body sensors deployed on the human body or inside it. Due to resource constraints of the deployed sensors, aggregated data is forwarded to a server at an edge node or a cloud for further processing and decision making. With the wide acceptance of IoT deployments, WBANs can also be integrated with IoT to provide a clear contextual environment for smart healthcare applications' users. Software Defined Networks (SDN) is a new networking paradigm providing centralized control and programmability of the networks. These features of SDN open new vistas for WBAN and IoT applications. In this paper, a personal digital assistant (PDA) is configured as an SDN switch, and we emulate the SDN functionality with Mininet to verify that this approach can be used in WBANs with minimum deployment complexity and network overhead, while efficiently manage the connected devices and the connections between them.
物联网(IoT)旨在将数十亿设备连接到互联网。这些设备产生了大量的流量。无线身体区域网络(WBAN)收集部署在人体上或体内的身体传感器产生的数据。由于所部署传感器的资源限制,聚合数据被转发到边缘节点或云上的服务器,以进行进一步处理和决策。随着物联网部署的广泛接受,wban还可以与物联网集成,为智能医疗保健应用程序的用户提供清晰的上下文环境。软件定义网络(SDN)是一种新的网络模式,提供了网络的集中控制和可编程性。SDN的这些特性为WBAN和物联网应用开辟了新的前景。在本文中,我们将个人数字助理(PDA)配置为SDN交换机,并使用Mininet模拟SDN功能,以验证该方法可以以最小的部署复杂性和网络开销用于WBANs,同时有效地管理连接的设备及其之间的连接。
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引用次数: 26
Interference and Link Budget Analysis in Integrated Satellite and Terrestrial Mobile System 卫星与地面移动集成系统中的干扰与链路预算分析
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8531000
Ran Bi, Mingchuan Yang, G. Wang
There is an increasing interest to combine satellite and terrestrial components to form a single telecom network, this is called integrated satellite and terrestrial mobile system. In such systems, the ground component is controlled by the satellite resource and network management system. Further, the ground component uses the same portions of MSS (Mobile Satellite Service) frequency bands. However, frequency reuse between satellite and terrestrial components will inevitably generate co-channel interferences between satellite and terrestrial networks. It is one of the important factors that not only affect the user experience, but may even affect the normal operation of the network. This paper presents a model of an integrated mobile network consists of a multi-beam satellite, terrestrial base stations and dual satellite/terrestrial terminals. The types of interferences in the integrated system were analyzed, and some serious scenarios of interferences were simulated. The influence of several parameters such as the number of terrestrial station, the azimuth angle of the terrestrial station relative to the satellite beam center and the maximum transmitting power of the terrestrial station is then presented. The results have shown that the interferences due to terrestrial base station on satellite uplink are nonnegligible and can have a serious impact on the overall system performance.
人们越来越关注将卫星和地面组件结合起来形成一个单一的电信网络,这被称为卫星和地面综合移动系统。在这种系统中,地面部分由卫星资源和网络管理系统控制。此外,地面组件使用MSS(移动卫星业务)频段的相同部分。然而,卫星和地面组件之间的频率复用将不可避免地产生卫星和地面网络之间的同信道干扰。它是不仅影响用户体验,甚至可能影响网络正常运行的重要因素之一。本文提出了一个由多波束卫星、地面基站和卫星/地面双终端组成的综合移动网络模型。分析了集成系统中的干扰类型,并对一些严重的干扰场景进行了仿真。分析了地面站数量、地面站相对于卫星波束中心的方位角、地面站最大发射功率等参数对卫星发射精度的影响。结果表明,地面基站对卫星上行链路的干扰是不可忽视的,会对系统整体性能产生严重影响。
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引用次数: 4
Hybrid Beamforming for Large-scale MIMO-OFDM in Frequency Selective Fading 频率选择性衰落下大规模MIMO-OFDM混合波束形成
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8530908
Yanping Xiao, Yue Xiao, Feng Yu, You Li, Yong Wang, Bin Fu
Hybrid analog-digital precoding is a class of efficient techniques for improving the performance of massive multiple-input multiple-output (MIMO) systems with reduced number of radio frequency (RF) chains. Meanwhile, for combating the frequency selective fading, orthogonal frequency-division multiplexing (OFDM) should be also combined in current wireless standards such as 5G. Therefore, for massive MIMO-OFDM, it is difficult to decide the best precoding matrix in the context of frequency selective fading. In this paper, for alleviating this problem, a novel hybrid analog-digital precoding algorithm is proposed for multi-user large-scale MIMO-OFDM systems when the frequency selective fading channel is considered. We show that the proposed algorithm offers a flexible precoding design as well as reducing the requirement of the number of RF chains. Finally, the performance results demonstrate that the proposed algorithm is capable of approaching the performance of optimal full-digital precoding with a low implemention complexity.
模数混合预编码是一种通过减少射频链数来提高大规模多输入多输出(MIMO)系统性能的有效技术。同时,为了对抗频率选择性衰落,在5G等现有无线标准中,还应结合正交频分复用(OFDM)技术。因此,对于大规模MIMO-OFDM,在频率选择性衰落的情况下,很难确定最佳的预编码矩阵。针对这一问题,本文提出了一种考虑频率选择性衰落信道的多用户大规模MIMO-OFDM系统模数混合预编码算法。研究表明,该算法提供了灵活的预编码设计,并减少了对射频链数量的要求。最后,性能测试结果表明,该算法能够接近最优全数字预编码的性能,且实现复杂度较低。
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引用次数: 5
A Novel Fingerprint Protection Approach based on SoPC Chaotic Encryption 一种基于SoPC混沌加密的指纹保护新方法
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8531059
M. S. Azzaz, N. Aissaoui, C. Tanougast
In this paper, a new design approach based on chaotic encryption technique and System on Programmable Chip SoPC to protect fingerprint templates against some attacks is presented. This approach is based on the co-design methodology hardware/software (HW/SW) performed by using Xilinx FPGA platform. The proposed stream cipher algorithm is based on chaotic sequences of the Lorenz system. Simulation and experimental results clearly demonstrate that the proposed approach for protecting biometric authentication system provide a good trade-off between security and performance requirements in terms of efficiency and cost. This system could therefore be integrated into a real time secure access control system.
本文提出了一种基于混沌加密技术和可编程芯片系统SoPC的指纹模板防攻击设计方法。该方法基于基于Xilinx FPGA平台的硬件/软件(HW/SW)协同设计方法。所提出的流密码算法是基于洛伦兹系统的混沌序列。仿真和实验结果清楚地表明,所提出的保护生物特征认证系统的方法在安全性和性能要求之间提供了良好的权衡,在效率和成本方面。因此,该系统可以集成到一个实时安全访问控制系统中。
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引用次数: 3
Development of a suite of IPv6 vulnerability scanning tests using the TTCN-3 language 使用TTCN-3语言开发了一套IPv6漏洞扫描测试
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8530888
A. G. Leal, Igor C. Teixeira
With the transition from IPv4 IPv6 protocol to improve network communications, there are concerns about devices and applications' security that must be dealt at the beginning of implementation or during its lifecycle. Automate the vulnerability assessment process reduces management overhead, enabling better management of risks and control of the vulnerabilities. Consequently, it reduces the effort needed for each test and it allows the increase of the frequency of application, improving time management to perform all the other complicated tasks necessary to support a secure network. There are several researchers involved in tests of vulnerability in IPv6 networks, exploiting addressing mechanisms, extension headers, fragmentation, tunnelling or dual-stack networks (using both IPv4 and IPv6 at the same time). Most existing tools use the programming languages C, Java, and Python instead of a language designed specifically to create a suite of tests, which reduces maintainability and extensibility of the tests. This paper presents a solution for IPv6 vulnerabilities scan tests, based on attack simulations, combining passive analysis (observing the manifestation of behaviours of the system under test) and an active one (stimulating the system to become symptomatic). Also, it describes a prototype that simulates and detects denial-of-service attacks on the ICMPv6 Protocol from IPv6. Also, a detailed report is created with the identified vulnerability and the possible existing solutions to mitigate such a gap, thus assisting the process of vulnerability management.
随着从IPv4 IPv6协议到改进网络通信的过渡,设备和应用程序的安全问题必须在实施之初或在其生命周期中得到解决。自动化漏洞评估过程可以减少管理开销,从而更好地管理风险和控制漏洞。因此,它减少了每个测试所需的工作量,并允许增加应用程序的频率,改进时间管理,以执行支持安全网络所需的所有其他复杂任务。有几位研究人员参与了IPv6网络漏洞的测试,利用寻址机制,扩展头,碎片,隧道或双栈网络(同时使用IPv4和IPv6)。大多数现有的工具使用编程语言C、Java和Python,而不是专门设计用于创建测试套件的语言,这降低了测试的可维护性和可扩展性。本文提出了一种基于攻击模拟,将被动分析(观察被测系统的行为表现)和主动分析(激发系统出现症状)相结合的IPv6漏洞扫描测试方案。此外,本文还描述了一个模拟和检测来自IPv6的针对ICMPv6协议的拒绝服务攻击的原型。此外,还创建了一个详细的报告,其中包含已识别的漏洞和可能存在的解决方案,以减轻这种差距,从而协助漏洞管理过程。
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引用次数: 1
Hierarchical Cloud Communication for Supply Management and Power Distribution via Wireless Mesh Network into the Smart Grid 通过无线网状网络进入智能电网的供电管理和配电的分层云通信
Pub Date : 2018-06-01 DOI: 10.1109/ISNCC.2018.8531019
Jihene Rezgui, Wiem Benrhaiem
The increasing electricity demand and the additional renewable power resources have created a transition from centralized supply side management to decentralized supply and demand side management. Unfortunately, power availability is expected to be unbalanced from one area to another mainly during peak times. Actual smart grid capabilities cannot easily redistribute the power outside of a fixed area. On the one hand, cloud computing services provide a dynamic allocation of power. On the other hand, two-way communication technology is becoming an essential part of the smart grid landscape, tying between all components, from power generation, to energy transmission. In this paper, we introduce a new initiative to bring together the following two areas: two-way communication and hierarchical cloud concepts. The proposed supply management and power distribution system called H2C-PDSM guarantees a balanced power allocation process and reduces query latency time in the grid.
不断增长的电力需求和额外的可再生能源资源创造了从集中供应侧管理到分散供需侧管理的过渡。不幸的是,主要在高峰时段,一个地区到另一个地区的电力供应预计是不平衡的。实际的智能电网功能不能轻易地在固定区域之外重新分配电力。一方面,云计算服务提供了动力的动态分配。另一方面,双向通信技术正在成为智能电网的重要组成部分,将从发电到能源传输的所有组件连接在一起。在本文中,我们引入了一个新的倡议,将以下两个领域结合在一起:双向通信和分层云概念。提出的供电管理和配电系统H2C-PDSM保证了均衡的电力分配过程,并减少了电网中的查询延迟时间。
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引用次数: 0
期刊
2018 International Symposium on Networks, Computers and Communications (ISNCC)
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