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2017 IEEE 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference (UEMCON)最新文献

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Bit Error Rate (BER) analysis of Discrete Fractional Fourier Transform (DFrFT) based OFDM systems 基于离散分数傅里叶变换(DFrFT)的OFDM系统误码率分析
A. Nafchi, E. Hamke, Ramiro Jordan, Balu Santhanam
This paper investigates the performance of Orthogonal Frequency Division Multiplex (OFDM) system by integrating the Discrete Fractional Fourier Transform (DFrFT). Here the total number of OFDM subcarriers are 64 where 48 of them are data carriers, and bandwidth allocated to OFDM is 20 MHz. The transmitted signals are assumed to travel through an Additive White Gaussian Noise (AWGN) channel. Simulations are conducted to investigate the Bit Error Rate (BER) performance of OFDM system as a function of energy per bit to noise power spectral density ratio Eb/N0 for both cases of conventional OFDM (FFT-OFDM) and proposed OFDM in this paper based on DFrFT (Fr-OFDM). Simulations confirm the proposed Fr-OFDM performance.
通过对离散分数阶傅里叶变换(DFrFT)进行积分,研究正交频分复用(OFDM)系统的性能。这里OFDM子载波总数为64个,其中48个为数据载波,分配给OFDM的带宽为20mhz。假定传输的信号通过加性高斯白噪声(AWGN)信道。本文通过仿真研究了传统OFDM (FFT-OFDM)和基于DFrFT (Fr-OFDM)的OFDM系统误码率(BER)性能作为每比特能量与噪声功率谱密度比Eb/N0的函数。仿真验证了该算法的性能。
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引用次数: 5
SPEProxy: Enforcing fine grained security and privacy controls on unmodified mobile devices SPEProxy:在未修改的移动设备上实施细粒度的安全和隐私控制
Brian Krupp, Dan Jesenseky, Amanda Szampias
Mobile applications have grown from knowing basic personal information to knowing intimate details of consumer's lives. The explosion of knowledge that applications contain and share can be contributed to many factors. Mobile devices are equipped with advanced sensors including GPS and cameras, while storing large amounts of personal information including photos and contacts. With millions of applications available to install, personal data is at constant risk of being misused. While mobile operating systems provide basic security and privacy controls, they are insufficient, leaving the consumer unaware of how applications are using permissions that were granted. In this paper, we propose a solution that aims to provide consumers awareness of applications misusing data and policies that can protect their data. From this investigation we present SPEProxy. SPEProxy utilizes a knowledge based approach to provide consumer's an ability to understand how applications are using permissions beyond their stated intent. Additionally, SPEProxy provides an awareness of fine grained policies that would allow the user to protect their data. SPEProxy is device and mobile operating system agnostic, meaning it does not require a specific device or operating system nor modification to the operating system or applications. This approach allows consumers to utilize the solution without requiring a high degree of technical expertise. We evaluated SPEProxy across 817 of the most popular applications in the iOS App Store and Google Play. In our evaluation, SPEProxy was highly effective across 86.55% applications where several well known applications exhibited misusing granted permissions.
移动应用程序已经从了解基本的个人信息发展到了解消费者生活的私密细节。应用程序包含和共享的知识的爆炸式增长可以由许多因素促成。移动设备配备了包括GPS和摄像头在内的先进传感器,同时存储了包括照片和联系人在内的大量个人信息。随着数以百万计的应用程序可供安装,个人数据不断面临被滥用的风险。虽然移动操作系统提供了基本的安全和隐私控制,但它们还不够,这使得用户不知道应用程序是如何使用被授予的权限的。在本文中,我们提出了一种解决方案,旨在让消费者了解应用程序误用数据以及可以保护其数据的策略。从这次调查中,我们提出了SPEProxy。SPEProxy利用一种基于知识的方法,让用户能够了解应用程序如何使用超出其声明意图的权限。此外,SPEProxy还提供细粒度策略,允许用户保护他们的数据。SPEProxy与设备和移动操作系统无关,这意味着它不需要特定的设备或操作系统,也不需要修改操作系统或应用程序。这种方法允许用户使用解决方案,而不需要高度的技术专业知识。我们在iOS App Store和Google Play中最受欢迎的817款应用中评估了SPEProxy。在我们的评估中,SPEProxy在86.55%的应用程序中非常有效,其中几个著名的应用程序滥用了授予的权限。
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引用次数: 2
Web based electric home appliance controller and monitoring system 基于Web的家电控制器与监控系统
M. S. Rahman, Saqif Masud, Shahida Sultana, M. R. Bari
In this paper, a cost-effective IoT-based smart home appliance control and monitoring system has been proposed. The proposed system is a fusion of the traditional electrical appliance controls and web-(IoT-) based control system. With the proposed system, user gets both the option to control or monitor the electrical appliances remotely over internet and also through switchboard in-house. The system is developed fulfilling three specific objectives — user-comfort, cost-effectiveness and real-life implementation. The system is designed for mass usage with the possible commercial service operation. A miniature prototype has been built with the proposed system to prove the idea and show its feasibility.
本文提出了一种基于物联网的高性价比智能家电控制与监控系统。该系统是传统电器控制与基于网络(IoT)的控制系统的融合。使用该系统,用户可以选择通过互联网远程控制或监控电器,也可以通过内部交换机。该系统的开发实现了三个具体目标-用户舒适,成本效益和实际实施。该系统设计用于大规模使用,并可能进行商业服务运营。用该系统建立了一个微型原型,以证明该想法并显示其可行性。
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引用次数: 4
A performance-aware I/O interface for 3D stacked memory systems 一个性能敏感的I/O接口,用于3D堆叠存储器系统
Nahid Mirzaie, Ahmed Alzahmi, Chung-Ching Lin, Gyung-Su Byun
A low-power and high-performance three-dimensional (3D) baseband point-to-point (P2P) memory interface is presented. To improve both signal integrity and power efficiency, an optimization approach is utilized on the entire 3D architecture, including through-silicon via (TSV), and I/O interface channel in a 65 nm CMOS technology. The 3D TSV and μbump channels are modeled to generate S-parameters using a 3D EM solver tool (HFSS). The system performance is demonstrated after the optimization process. The results reveal that the whole structure achieves an energy efficiency of 1.52 pJ/b 2.3 Gb/s data rate.
提出了一种低功耗、高性能的三维基带点对点存储接口。为了提高信号完整性和功率效率,在整个3D架构上采用了优化方法,包括通过硅通孔(TSV)和65纳米CMOS技术的I/O接口通道。利用三维电磁求解工具(HFSS)对三维TSV通道和μbump通道进行建模,生成s参数。优化后的系统性能得到了验证。结果表明,整个结构的能量效率为1.52 pJ/b,数据速率为2.3 Gb/s。
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引用次数: 4
A novel bandwidth efficient orthogonal frequency division multiplexing scheme 一种新的带宽高效的正交频分复用方案
T. Moazzeni
In this paper, a novel spectrum efficient orthogonal signal multiplexing system based on trigonometric transform is presented. In this system, one half of the complex data is multiplexed using orthogonal real subcarrier signals (i.e., cosw1t, cosw2t,…, sinw1t, sinw2t,…) and transmitted on one carrier signal (i.e., coswct) and similarly the other half is multiplexed and transmitted on another carrier (i.e., sinwct). In this way, the number of subcarriers will be reduced by half of the conventional OFDM systems and as a consequent; (i): the occupied bandwidth will be reduced by about half, (ii): the maximum value of the peak to average power ratio of transmitted signal will be also reduced by half, and it is more robust against the Doppler effect. Also, it is shown that the proposed signaling scheme has cyclic convolutional property such that the channel equalization in a multipath fading channel can be accomplished as simple as in OFDM systems by pointwise multiplication.
本文提出了一种基于三角变换的频谱高效正交信号复用系统。在该系统中,复数据的一半使用正交实子载波信号(即cosw1t, cosw2t,…,sinw1t, sinw2t,…)复用并在一个载波信号(即coswct)上传输,同样,另一半复用并在另一个载波(即sinwct)上传输。通过这种方式,子载波的数量将减少传统OFDM系统的一半,因此;(1):占用的带宽将减少一半左右;(2):发射信号的峰值与平均功率比的最大值也将减少一半,并且对多普勒效应更加稳健。此外,所提出的信令方案具有循环卷积特性,使得多径衰落信道中的信道均衡可以像在OFDM系统中一样简单地通过点向乘法实现。
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引用次数: 0
The design and implementation of a smart parking meter for Internet of Vehicle (IoV) 车联网(IoV)智能停车计时器的设计与实现
Oluwatimilehin Olumolade, Haowen Jiang, Alexander Forde, Yazeed Almania, Barjas Alsahli, Yu Zhang, Md Anam Mahmud, A. Abdelgawad, K. Yelamarthi
The Internet of Things is becoming a more widely used technology in society. It is often used to refer to the evergrowing network of interrelated devices, or “things”, that are capable of transmitting or receiving data over a network to other “things” and systems. As the use of IoT continues to grow, as does the number of industries, seeking to take advantages of the technological ecosystem — vehicles being one of the largest. This concept is called Internet of Vehicles (IoV). This paper discusses the creation of a scalable and inexpensive solution to a smart parking meter. This parking meter system was used to optimize parking in congested areas by determining and relaying parking availability using infrared sensors integrated with radio frequency (RF) technology, respectively. Information was to be relayed to a server named Thingworx, enabling vehicle-drivers to reserve and navigate directly to parking spaces through the use of a touchscreen vehicle module, ultimately reducing congestion and saving fuel.
物联网正在成为一种越来越广泛应用于社会的技术。它经常被用来指由相互关联的设备或“事物”组成的不断增长的网络,这些设备或“事物”能够通过网络向其他“事物”和系统发送或接收数据。随着物联网的使用不断增长,寻求利用技术生态系统的行业数量也在不断增加——汽车是最大的行业之一。这个概念被称为车联网(IoV)。本文讨论了一种可扩展且廉价的智能停车计时器解决方案的创建。该停车计费器系统分别使用红外传感器和射频(RF)技术来确定和中继停车位可用性,从而优化拥堵区域的停车。信息将被传送到名为Thingworx的服务器上,通过使用触摸屏车辆模块,车辆驾驶员可以直接预订和导航到停车位,最终减少拥堵并节省燃料。
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引用次数: 3
A scalable and secure key distribution scheme for group signature based authentication in VANET VANET中基于组签名认证的可扩展安全密钥分发方案
Kiho Lim, Kastuv M. Tuladhar, Xiwei Wang, Weihua Liu
Security issues in vehicular communication have become a huge concern to safeguard increasing applications. A group signature is one of the popular authentication approaches for VANETs (Vehicular ad hoc networks) which can be implemented to secure the vehicular communication. However, securely distributing group keys to fast-moving vehicular nodes is still a challenging problem. In this paper, we propose an efficient key management protocol for group signature based authentication, where a group is extended to a domain with multiple road side units. Our scheme not only provides a secure way to deliver group keys to vehicular nodes, but also ensures security features. The experiment results show that our key distribution scheme is a scalable, efficient and secure solution to vehicular networking.
车载通信的安全问题已成为保障日益增加的应用的巨大问题。组签名是车辆自组织网络(vanet)中常用的身份验证方法之一,可用于保证车辆通信的安全。然而,如何将组密钥安全地分配到快速移动的车辆节点上仍然是一个具有挑战性的问题。本文提出了一种有效的基于组签名的认证密钥管理协议,将组扩展到具有多个路边单元的域。该方案不仅提供了一种安全的向车载节点传递组密钥的方法,而且保证了组密钥的安全性。实验结果表明,该密钥分发方案是一种可扩展、高效、安全的车联网解决方案。
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引用次数: 33
MATLAB-GUI based simulation framework for spintronics 基于MATLAB-GUI的自旋电子学仿真框架
J. Gope, B. Kar, S. Koly, R. Shome, S. Bhadra, A. Bhattacharyya, R. Banerjee
The electronic device industry is an age old industry. Several new electronic ICs evolved day by day with more and more components being cramped into smaller and smaller spaces. Presently, advanced VLSI and ULSI devices are made commercially available to the consumers. On the other hand, the micro-electronics industry suffers from physical limitation as well as from technological limitation. Thereby, the search for new device principle cannot be avoided. In this regard Spintronics technology is vividly significant as it employs spin degree of freedom in quantum dot. Since the last decade Spintronics ushered numerous scope in device vicinity. Even though the hands of researchers are tied as there is no simulator for simulating Spintronics circuits and spin based logic devices. The authors now propose a MATLAB based tool which can be incorporated in SIMULINK for simulation of single spin logic devices. Here, GUI based approach is made to create spin environment to design dynamic part of simulation.
电子设备行业是一个历史悠久的行业。几种新的电子集成电路一天天发展,越来越多的组件被挤进越来越小的空间。目前,先进的VLSI和ULSI器件已经商业化。另一方面,微电子工业既受到物理限制,也受到技术限制。因此,寻找新的器件原理是不可避免的。在这方面,自旋电子学技术具有生动的意义,因为它利用了量子点的自旋自由度。自上个十年以来,自旋电子学在设备附近迎来了许多范围。尽管研究人员的双手被束缚,因为没有模拟器来模拟自旋电子电路和自旋逻辑器件。作者提出了一种基于MATLAB的工具,该工具可以集成到SIMULINK中用于单自旋逻辑器件的仿真。在此,采用基于GUI的方法创建旋转环境来设计仿真的动态部分。
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引用次数: 0
Smart home cleansing appliance-an initiative for smart living 智能家居清洁设备——智能生活的倡议
J. Gope, J. Kumar, M. Panda, D. Poddar, T. Bera, N. Ashara, S. Bhadra
With the inception of cleansing machine in early 19th century, automated machine controlled floor cleaners were introduced for the sake of the betterment of mankind. Here after the elapse of several decades the authors follow the same tradition of modernizing automated machines. The attempt to design a smart home cleaning appliance is thus a continuous research effort to mobilize mechatronics in our daily lives. The authors primarily simulated the proposed model using PARTSIM and later on the hardware model was designed and was successfully tested on all conditions. The tested results are in good agreement with the simulated model.
随着19世纪初清洁机的出现,为了人类的改善,机器控制的自动化地板清洁被引入。在这里,经过几十年的时间,作者遵循同样的传统,使自动化机器现代化。因此,设计智能家居清洁设备的尝试是一项持续的研究工作,旨在将机电一体化应用于我们的日常生活。首先利用PARTSIM软件对所提出的模型进行了仿真,然后设计了硬件模型,并在各种条件下进行了测试。试验结果与仿真模型吻合较好。
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引用次数: 0
An efficient clustering scheme in vehicular Ad-Hoc networks 一种高效的车载Ad-Hoc网络聚类方案
Sudev Yaswanth Kannekanti, Gowri S. P. Nunna, Viswanath Koranjan Reddy Bobba, Anirudh Kumar Yadama, Abdelrahman Elleithy
Vehicular Ad-hoc network (VANET) is comprised of a group of vehicles which forms a network and can interact between themselves even moving with high velocity. We are creating the VANET by using the methods of MANET (Mobile Ad-Hoc Network) and applying them onto the vehicular domain. The sensors which are attached to the vehicles help in sharing the information among the vehicles or with the roadside infrastructure. As the topology in vehicular network is more dynamic, creation of a stable cluster is a major issue. In this paper we are selecting the best clustering technique and solving the major issues in forming the cluster from the available clustering methods like velocity-based, Connectivity-based and the Neighbor-Vehicles mobility based clustering.
车辆自组织网络(Vehicular Ad-hoc network, VANET)是由一组车辆组成的网络,即使在高速行驶中也可以相互作用。我们正在使用MANET(移动自组织网络)的方法创建VANET,并将其应用于车辆域。安装在车辆上的传感器有助于在车辆之间或与路边基础设施共享信息。由于汽车网络的拓扑结构是动态的,因此如何建立一个稳定的集群是一个重要的问题。本文从基于速度的聚类、基于连通性的聚类和基于邻居车辆移动性的聚类等现有聚类方法中选择最佳聚类技术,解决聚类过程中存在的主要问题。
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引用次数: 7
期刊
2017 IEEE 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference (UEMCON)
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