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2013 Fourth International Conference on Computing, Communications and Networking Technologies (ICCCNT)最新文献

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Design and implementation of an automatic beverages vending machine and its performance evaluation using Xilinx ISE and Cadence 使用赛灵思ISE和Cadence的自动饮料自动售货机的设计与实现及其性能评估
V. Krishna, A. Monisha, S. Sadulla, J. Prathiba
This paper describes the design and implementation of an automatic beverages vending machine using FSM as this technique has more advantages compared to previous ones used in vending machine design. The whole design is functionally verified using Xilinx ISE simulator 13.1 and the generated bit stream file has implemented in Virtex 5 XC5VLX50T FPGA board and its physical design has performed using Cadence Encounter and evaluated its optimized parameters.
本文介绍了一种基于FSM的自动贩卖机的设计与实现,该技术相对于以往的自动贩卖机设计具有更多的优势。使用Xilinx ISE模拟器13.1对整个设计进行了功能验证,并在Virtex 5 XC5VLX50T FPGA板上实现了生成的位流文件,并使用Cadence Encounter进行了物理设计,并对其优化参数进行了评估。
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引用次数: 16
VHDL implementation of UART with BIST capability 具有BIST能力的UART的VHDL实现
Nitin Patel, N. Patel
Manufacturing processes are extremely complex, inducing manufacturers to consider testability as a requirement to assure the reliability and the functionality of each of their designed circuits. One of the most popular test techniques is called Built-In-Self-Test (BIST). A Universal Asynchronous Receive/Transmit (UART) with BIST capability has the objectives of testing the UART on chip itself and no external devices are required to perform the test. This paper focuses on the VHDL implementation of UART with embedded BIST capability using FPGA technology. The paper presents the architecture of UART with BILBO which tests the UART for its correctability. The whole design is synthesized and verified using Xilinx ISE Simulator and Modelsim Simulator.
制造过程极其复杂,促使制造商将可测试性视为确保每个设计电路的可靠性和功能的要求。最流行的测试技术之一被称为内置自测(BIST)。具有BIST功能的通用异步接收/发送(UART)的目标是在芯片本身上测试UART,而不需要外部设备来执行测试。本文重点研究了利用FPGA技术实现具有嵌入式BIST功能的UART的VHDL实现。本文提出了一种基于BILBO的UART体系结构,并对其校正性进行了测试。利用Xilinx ISE模拟器和Modelsim模拟器对整个设计进行了综合和验证。
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引用次数: 9
PLC modem for home automation over three phase powerline 通过三相电力线实现家庭自动化的PLC调制解调器
Nimmy James, Able Eldhose, D. Das Krishna
Powerline Communication is found to be one of the cheapest and easiest communication techniques and electronic companies are looking forward for its applications in home automation, automatic energy reading, broadband etc. In this paper, we propose a new architecture for a PLC modem, which is cost efficient and easy to implement. This paper discusses low voltage narrowband powerline communication for PLC Modem. The proposed PLC modem design transmit and receive data for application such as controlling home equipments, meter reading etc. Proposed PLC modem uses CSMA/CA for error detection and collision.
电力线通信被认为是最便宜和最简单的通信技术之一,电子公司期待着它在家庭自动化、自动抄电、宽带等方面的应用。在本文中,我们提出了一种新的PLC调制解调器结构,它具有成本效益和易于实现。本文讨论了PLC调制解调器的低压窄带电力线通信。提出了PLC调制解调器的设计方案,用于家庭设备控制、抄表等应用。本文提出的PLC调制解调器采用CSMA/CA进行纠错和碰撞检测。
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引用次数: 1
Smooth query processing in spatial database 空间数据库的平滑查询处理
Tukaram Gawali, R. B. Wagh
Spatial database is a database that is optimized to store and query data. In order to process spatial database a set of functions are needed to process spatial data types called geometry or feature. These set of function are designed by spatial database query framework called Open Geospatial Consortium (OGC). In this paper we have designed Open Geospatial Consortium that will process spatial and non-spatial queries. Open Geospatial Consortium will have simple features specification and set of standards for adding spatial functionality to database systems. The main purpose of this framework is to adapt SQL queries and provide the best result among the available techniques of spatial query processing. The experimental result shows that our framework can process spatial and non-spatial queries with optimal cost. The performance of the queries is measured in the terms of Estimated CPU Cost, Estimated Subtree Cost, Estimated Number of Rows, Estimated Rows Size and Cached plan size.
空间数据库是为存储和查询数据而优化的数据库。为了处理空间数据库,需要一组函数来处理称为几何或特征的空间数据类型。这些功能集是由开放地理空间联盟(OGC)空间数据库查询框架设计的。在本文中,我们设计了Open Geospatial Consortium来处理空间和非空间查询。开放地理空间联盟将有简单的特性规范和一套标准,用于向数据库系统添加空间功能。该框架的主要目的是调整SQL查询,并在可用的空间查询处理技术中提供最佳结果。实验结果表明,该框架能够以最优的代价处理空间和非空间查询。查询的性能是根据估计的CPU成本、估计的子树成本、估计的行数、估计的行大小和缓存计划大小来衡量的。
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引用次数: 2
A review on illumination techniques in augmented reality 增强现实中的照明技术综述
Divya Kamboj, Wankui Liu, Neetika Gupta
Augmented reality is a widespread concept having application ranging from medicine to entertainment and education. AR faces many challenges like camera tracking, occlusion handling and inconsistent illumination. Real time illumination of virtual objects in dynamic environment is still a challenging task. Various methods have been proposed for real time rendering of virtual objects in real environment. The illumination techniques range over a number of different methods producing results of varied accuracy. In this paper we will discuss about the various illumination methods in augmented reality, the shortcomings and advantages of different technologies and the classification of different methods. The paper discusses about the problem the current techniques are facing and various scope of improvement in future. The classification suggests the applicability of different techniques in different scenarios and also best utilization of data available with better techniques.
增强现实是一个广泛的概念,应用范围从医学到娱乐和教育。AR面临许多挑战,如相机跟踪,遮挡处理和不一致的照明。动态环境中虚拟物体的实时照明仍然是一个具有挑战性的课题。为了实现真实环境中虚拟物体的实时渲染,人们提出了多种方法。照明技术的范围超过许多不同的方法,产生不同精度的结果。本文将讨论增强现实中的各种照明方法,不同技术的优缺点以及不同方法的分类。本文讨论了当前技术面临的问题和今后需要改进的各种范围。这种分类表明,不同的技术适用于不同的情景,也最好地利用更好的技术提供的数据。
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引用次数: 2
Distributed trust & time management strategy in VANETs VANETs中的分布式信任和时间管理策略
M. Kavitha, Shrikant S. Tangade, S. Manvi
Vehicular Ad-hoc Network (VANET) is a sub disciple of Mobile Ad-Hoc Networks. VANET provides wireless communication among vehicles and vehicle to road side equipments. The communication between vehicles is used for safety, comfort and entertainment (convenience). The performance of communication depends on how better the routing takes place in the network. Routing of data depends on the routing protocols being used in network. The life saving factor is also the key issue in this regard. Trust is key part of security and it is undoubtedly necessary to develop trust in vehicular network. Distributed trust management in VANET is a challenging task due to the lack of infrastructure, openness of wireless links and the usually highly dynamic network topology. In this paper, we have studied special characteristics of VANETs, existing trust management schemes, and proposed a distributed trust management strategy which helps in evaluation of time by the vehicle that would like to know whether he can trust the vehicle that broadcast the message.
车载自组网(VANET)是移动自组网的一个分支。VANET提供车辆之间以及车辆与路边设备之间的无线通信。车辆之间的通信用于安全、舒适和娱乐(方便)。通信的性能取决于路由在网络中有多好。数据的路由取决于网络中使用的路由协议。在这方面,救生因素也是关键问题。信任是安全的关键部分,在车联网中发展信任无疑是必要的。由于缺乏基础设施、无线链路的开放性和通常高度动态的网络拓扑结构,VANET中的分布式信任管理是一项具有挑战性的任务。本文研究了vanet的特点和现有的信任管理方案,提出了一种分布式信任管理策略,该策略可以帮助想要知道他是否可以信任广播消息的车辆来评估时间。
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引用次数: 3
Earth Moon Communication incorporated Internet webpage based control for robots 地月通信公司采用基于互联网网页的机器人控制方法
C. Abilash, B. Lakshminath
This paper mainly concentrates on the control of Lunar-bots and is also applicable to other kinds of robots like the one used in warfare, medical surgeries, and even the one that is used for UAV automation using the world wide accessed internet communication with Earth Moon Communication (EMC). This paper discusses the unique way in which we can control the robot deployed in the Moon for space research using EMC (Earth Moon Communication) technique and all other robots located anywhere in the world with the help of a simple webpage loaded with controls. Here a particular webpage is created over the internet whose administrator privileges are restricted to the authority. The robot in which this system is implemented also has access to the webpage, but is read only. The input to the webpage is designed by using simple LabVIEW programs interfacing sophisticated piezoelectric, tactile sensors and other sensor systems to provide gesture, speech, and image inputs. This LabVIEW program is then sourced to an administrative website. The robot is already programmed in such a way that it is able to understand and synchronize with these commands uniquely. The robot which is permanently connected to the internet with the help of wireless modem (3G/4G), can read these commands with ease. This control is extended to the moon by deploying EMC, developed from the existing ancient Moon Bounce technique. This is accomplished by replacing the Moon's rugged reflector surface by a parabolic reflector antenna. Two similar antennas are placed on diametrically opposite zones of Earth in order to maintain the path of sight with the Moon. BPSK (Binary Phase Shift Keying) modulation is employed here. Using this technique we can extend the internet connectivity to the lunar atmosphere. In addition, these robots are also pre-programmed with Artificial Intelligence (AI), in order to survive communication breakdowns. In this mode it acts precisely according to the sustaining environment.
本文主要研究月球机器人的控制,也适用于其他类型的机器人,如用于战争,医疗手术的机器人,甚至用于无人机自动化使用全球接入互联网通信与地月通信(EMC)。本文讨论了一种独特的方法,我们可以使用EMC(地月通信)技术控制部署在月球上进行空间研究的机器人和世界上任何地方的所有其他机器人,并借助加载控件的简单网页。在这里,通过internet创建一个特定的网页,其管理员权限被限制为权限。实现该系统的机器人也可以访问网页,但是是只读的。网页的输入是通过使用简单的LabVIEW程序与复杂的压电、触觉传感器和其他传感器系统接口来提供手势、语音和图像输入来设计的。这个LabVIEW程序随后被发布到一个管理网站。机器人已经被编程成这样一种方式,它能够理解和同步这些命令。机器人通过无线调制解调器(3G/4G)永久连接到互联网,可以轻松读取这些命令。这种控制通过部署电磁兼容扩展到月球,从现有的古代月球弹跳技术发展而来。这是通过用抛物面反射天线取代月球粗糙的反射面来实现的。两个类似的天线被放置在地球截然相反的区域,以保持与月球的视线路径。这里采用BPSK(二相移键控)调制。利用这项技术,我们可以将互联网连接扩展到月球大气层。此外,这些机器人还预先编程了人工智能(AI),以便在通信中断时幸存下来。在这种模式下,它精确地根据维持的环境起作用。
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引用次数: 0
A survey on wireless LAN internal roaming protocols 无线局域网内部漫游协议综述
Amit Kumar, Prabhat Kumar, M. Singh
Wireless LANs (WLANs) are complex systems with many access points (APs) and thousands of clients. The rising amount of roaming users and broadband Internet services have created a very strong demand for fast, efficient, secure, and seamless roaming protocols. A handover roaming protocol allows an user to connect to another access point of same server with proper authentication establishing a session key in such a way that new AP recognizes it as legitimate user of the current network. This paper illustrates brief state-of-the-art survey of existing L2 type handover protocols and discusses pitfall of these protocols in detail. We have also presented briefly, the key challenges and future perspective of the existing wireless roaming protocols.
无线局域网(wlan)是具有许多接入点(ap)和数千个客户端的复杂系统。随着漫游用户和宽带互联网服务的不断增加,对快速、高效、安全和无缝的漫游协议产生了非常强烈的需求。切换漫游协议允许用户通过适当的身份验证连接到同一服务器的另一个接入点,建立会话密钥,以使新AP将其识别为当前网络的合法用户。本文简要介绍了现有L2类型切换协议的发展概况,并详细讨论了这些协议的缺陷。我们还简要介绍了现有无线漫游协议的主要挑战和未来展望。
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引用次数: 0
A novel approach for image enhancement by using contrast limited adaptive histogram equalization method 一种基于对比度限制的自适应直方图均衡化的图像增强方法
S. Muniyappan, A. Allirani, S. Saraswathi
A novel approach for image enhancement by using contrast limited adaptive histogram equalization method will produces a good contrast images such as medical images. In this paper, we propose a new method for image enhancement by using contrast limited adaptive histogram equalization method. We propose a general framework with a adaptive histogram equalization method. We are going to prove its effectiveness in comparison to other contrast enhancement method.
利用对比度有限的自适应直方图均衡化方法对医学图像等图像进行增强,可以得到对比度较好的图像。本文提出了一种基于对比度限制的自适应直方图均衡化的图像增强方法。我们提出了一个具有自适应直方图均衡化方法的通用框架。我们将通过对比其他对比度增强方法来证明其有效性。
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引用次数: 37
A remote experimentation using virtual laboratory 利用虚拟实验室进行远程实验
C. Gode, M. S. Madankar
Experimental laboratories in technical institute are important part of the education areas. It demonstrates course concepts and brings theoretical ideas alive so students can more visualize and understand facts of theoretical concepts. Natural phenomenon affects the real world measurement and control the working algorithm. However, equipping a laboratory ubiquitously is an effective in cost and its maintenance can be difficult. Teaching assistants are required to instruct and setting up the well equipped laboratory, and grade the student report. These time-consuming and costly tasks turns in relatively low equipped laboratory also when teaching assistants and laboratory equipment are available experiments can be driven out. A lightweight web server as well as website interface has been developed, which restricts cost efficient laboratory equipment and measures electronic devices as “virtual laboratory” for any technical institute experiments to undergraduate as well as post graduate students. It uses standard browsers without additional plug-ins to provide interface to any user. The present interface is flexible and could be expanded to many other devices and instruments.
高职院校实验实验室是教育领域的重要组成部分。它展示了课程概念,使理论思想生动起来,使学生能够更形象地理解理论概念的事实。自然现象影响着现实世界的测控工作算法。然而,无处不在的配备实验室在成本上是有效的,而且它的维护可能很困难。教学助理需要指导和建立设备齐全的实验室,并为学生的报告评分。这些耗时和昂贵的任务使得实验室设备相对较低,当助教和实验室设备可用时,实验也可以被赶出去。一个轻量级的web服务器和网站界面的开发,限制了成本效益的实验室设备和测量电子设备作为“虚拟实验室”的任何技术学院的实验本科生和研究生。它使用标准浏览器,不需要额外的插件来为任何用户提供接口。目前的接口是灵活的,可以扩展到许多其他设备和仪器。
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引用次数: 0
期刊
2013 Fourth International Conference on Computing, Communications and Networking Technologies (ICCCNT)
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