2007 International Conference on Information and Emerging Technologies最新文献_第2页

Use of Self-Adaptive Methodology in Wireless Sensor Networks for Reducing Energy Consumption 自适应方法在无线传感器网络中的应用以降低能耗

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381313

S. Rizvi, A. Riasat

{"title":"Use of Self-Adaptive Methodology in Wireless Sensor Networks for Reducing Energy Consumption","authors":"S. Rizvi, A. Riasat","doi":"10.1109/ICIET.2007.4381313","DOIUrl":"https://doi.org/10.1109/ICIET.2007.4381313","url":null,"abstract":"A sensor network is made up of numerous small independent sensor nodes with sensing, processing and communicating capabilities. The sensor nodes have limited battery and a minimal amount of on-board computing power. A self-adaptive methodology that utilizes the source and path redundancy techniques to efficiently reduce the required energy consumption is proposed. The proposed methodology presents a self-adaptive strategy to optimize the number of active sensor nodes and assign equal time slots to each sensor nodes for sensing and communication with the BS. The self-adaptive property enables the proposed methodology to perform a global search for optimizing the position of active sensor nodes with respect to the location of the base station (BS). The global search performed by the proposed methodology is carried out in a complete top down manner. The proposed self-adaptive methodology, therefore, not only reduces the energy consumption of wireless sensor nodes but also effectively maximizes the lifetime of active sensor nodes. Simulation results demonstrate that the proposed methodology significantly minimizes the energy consumption and consequently increases the life time of active sensor nodes.","PeriodicalId":167980,"journal":{"name":"2007 International Conference on Information and Emerging Technologies","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116350325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 13

Design and Construction of an Autonomous Fire Fighting Robot 自主消防机器人的设计与制造

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381341

Kashif Altafe, Aisha Akbar, Bilal Ijazl

{"title":"Design and Construction of an Autonomous Fire Fighting Robot","authors":"Kashif Altafe, Aisha Akbar, Bilal Ijazl","doi":"10.1109/ICIET.2007.4381341","DOIUrl":"https://doi.org/10.1109/ICIET.2007.4381341","url":null,"abstract":"The use of robots in situations that can be too dangerous for human intervention is growing. One such use is the deployment of robots for fire fighting. This paper is based on the construction of a robot for a contest aimed at simulating this real-world scenario. The paper will discuss the design of a fully autonomous fire fighting robot which is able to navigate through a maze of white fluorescent lines on a blue arena designed specifically for line-tracking based maze navigation. The arena has few obstacles which must be avoided by the robot while navigating, and are meant to encompass obstacle avoidance in robot design. The robot will track white lines to detect and reach fire lit at different locations on the arena in the form of candles, and will blow it off using a fan. The concepts implemented in this robot are differential drive control, obstacle avoidance, environmental sensing, electronic circuit design and maze navigation (line tracking). The sensors used in the robot are light dependent resistors (LDRs) and robot is being controlled by ATM EGA 16 microcontroller. The robot is designed according to the rules laid down by, and to compete in the National Engineering Robotics Competition, (NERC), 2005, Pakistan.","PeriodicalId":167980,"journal":{"name":"2007 International Conference on Information and Emerging Technologies","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121511917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 17

Trees and Butterflies Barriers in Distributed Simulation System: A Better Approach to Improve Latency and the Processor Idle Time 分布式仿真系统中的树和蝴蝶屏障:一种改善延迟和处理器空闲时间的更好方法

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381312

S. Rizvi, K. Elleithy, A. Riasat

{"title":"Trees and Butterflies Barriers in Distributed Simulation System: A Better Approach to Improve Latency and the Processor Idle Time","authors":"S. Rizvi, K. Elleithy, A. Riasat","doi":"10.1109/ICIET.2007.4381312","DOIUrl":"https://doi.org/10.1109/ICIET.2007.4381312","url":null,"abstract":"Global virtual time (GVT) is used in parallel discrete event simulations to reclaim memory, commit output, detect termination, and handle errors. Mattern 's [I] has proposed G VT approximation with distributed termination detection algorithm. This algorithm works fine and gives optimal performance in terms of accurate GVT computation at the expense of slower execution rate. This slower execution rate results a high GVT latency. Due to the high GVT latency, the processors involve in communication remain idle during that period of time. As a result, the overall throughput of a discrete event parallel simulation system degrades significantly. Thus, the high G VT latency prevents the widespread use of this algorithm in discrete event parallel simulation system. However, if we could improve the latency of GVT computation, most of the discrete event parallel simulation system would likely take advantage of this technique in terms of accurate G VT computation. In this paper, we examine the potential use of tress and butterflies barriers with the Mattern's GVT structure using a ring. Simulation results demonstrate that the use of tree barriers with the Mattern's GVT structure can significantly improve the latency time and thus increase the overall throughput of the parallel simulation system. The performance measure adopted in this paper is the achievable latency for a fixed number of processors and the number of message transmission during the G VT computation.","PeriodicalId":167980,"journal":{"name":"2007 International Conference on Information and Emerging Technologies","volume":"35 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128606168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Offshore Software Development Models 离岸软件开发模型

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381329

M. Faiz, U. Qadri, S.R. Ayyubi

引用次数: 7

Performance Evaluation of H.264 video transmission in CDMA2000 Network CDMA2000网络中H.264视频传输性能评价

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381309

I. Khan, A. ur Rehman

引用次数: 1

An Adaptive Method for Blind Carrier Phase Recovery in a QAM Receiver QAM接收机盲载波相位自适应恢复方法

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381306

S. Abrar

引用次数: 8

Improving the Performance of QoS Models in MANETs through Interference Monitoring and Correction 通过干扰监测和纠错来提高manet中QoS模型的性能

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381308

S. Wahab, M. Ould-Khaoua, L. Mackenzie

{"title":"Improving the Performance of QoS Models in MANETs through Interference Monitoring and Correction","authors":"S. Wahab, M. Ould-Khaoua, L. Mackenzie","doi":"10.1109/ICIET.2007.4381308","DOIUrl":"https://doi.org/10.1109/ICIET.2007.4381308","url":null,"abstract":"Mobile ad hoc networks (MANETs) have been proposed for a wide variety of applications, some of which require the support of real time and multimedia services. To do so, the network should be able to offer quality of service (QoS) appropriate for the latency and throughput bounds to meet appropriate real time constraints imposed by multimedia data. Due to the limited resources such as bandwidth in a wireless medium, flows need to be prioritised in order to guarantee QoS to the flows that need it. In this research, we propose a scheme to provide QoS guarantee to high priority flows in the presence of other high as well as low priority flows so that both type of flows achieve best possible throughput and end-to-end delays. Nodes independently monitor the level of interference by checking the rates of the highest priority flows and signal corrective mechanisms when these rates fall outside of specified thresholds. This research investigates using simulations the effects of a number of important parameters in MANETs, including node speed, pause time, interference, and the dynamic monitoring and correction on system performance in static and mobile scenarios. In this report we show that the dynamic monitoring and correction provides improved QoS than fixed monitoring and correction to both high priority and low priority flows in MANETs.","PeriodicalId":167980,"journal":{"name":"2007 International Conference on Information and Emerging Technologies","volume":"291 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132703393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Temporal Patterns Analysis in EEG Data using Sonification 用超声分析脑电图数据的时间模式

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381303

Z. Halim, R. Baig, S. Bashir

引用次数: 8

Harmonics in Adjustable Speed Drives: Causes, Effects, and Solutions 谐波在可调速度驱动器:原因，影响和解决方案

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381335

M. Jamil, G. Hashmi, Z. A. Syed, Q. Awais

引用次数: 3

The Use of Z Language for Multimedia Systems Z语言在多媒体系统中的应用

2007 International Conference on Information and Emerging Technologies Pub Date : 2007-07-06 DOI: 10.1109/ICIET.2007.4381332

Muhammad Bilal Latif, W. Noshairwan, Moeen-ud-din Tariq, Z. I. Malik

引用次数: 4