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A Fuzzy-Based Call Admission Control Scheme for Wireless Cellular Networks Considering Priority of On-going Connections

A Fuzzy-Based Call Admission Control Scheme for Wireless Cel...

引用

International Conference on Distributed Computing systems Workshop

作者： Gjergji Mino Leonard Barolli Arjan Durresi Fatos Xhafa Akio Koyama Graduate School of Engineering Fukuoka Institute of Technology Fukuoka Japan Department of Information and Communication Engineering Fukuoka Institute of Technology Fukuoka Japan Department of Computer and Information Science Indiana University-Purdue University Indianapolis Indianapolis IN USA Department of Languages and Informatics Systems Technical University of Catalonia Barcelona Spain Department of Informatics Yamagata University Yonezawa Yamagata Japan

The mobile cellular systems are expected to support multiple services with guaranteed quality of service (QoS).But, the ability of wireless systems to accommodate expected growth of traffic load and broadband services is limited by available radio frequency spectrum. Call admission control (CAC) is one of the resource management functions, which regulates network access to ensure QoS provisioning. However, the decision for CAC is very challenging issue due to user mobility, limited radio spectrum, and multimedia traffic characteristics. In our previous work, we proposed a fuzzy-based CAC system and compared the performance of the proposed system with shadow cluster concept (SCC). In this work, we extend our work by considering the priority of the on-going connections. We evaluate by simulations the performance of the proposed system and compare its performance with our previous work. The performance evaluation shows that the proposed system has a good behavior in keeping the QoS of on-going connections.

关键词： Call admission control Land mobile radio cellular systems Quality of service Wireless networks Electronic mail Cellular networks Fuzzy logic Distributed computing computer networks Informatics

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A Skipping SvS Intersection Algorithm

A Skipping SvS Intersection Algorithm

引用

International Conference on Computing, engineering and Information, ICC

作者： Jaratdech Chatchaval Veera Boonjing Pisit Chanvarasuth Software Systems Engineering Laboratory Mathematics and Computer Science Department Faculty of Science King Mongkut''s Institute of Technology Ladkrabang Thailand School of Management Technology Sirindhorn International Institute of Technology Thammasat University Pathum Thani Thailand

In this paper, we propose to improve the SvS algorithm by skipping elements of the smaller set for reducing a search boundary. The boundary of skipped element is determined by boundaries of elements prior to and next to it. We perform experiments on uniformly distributed random datasets to compare our algorithm with the standard SvS. We use regression analysis to get an equation for determining an appropriate skipping number. Our results show that the skipping SvS algorithm using the equation obtained can reduce approximately 41% on the number of comparisons of the standard SvS algorithm.

关键词： Equations software algorithms software systems systems engineering and theory Laboratories Mathematics computer science Conference management Technology management engineering management

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A Comparison Study of Two Fuzzy-Based Handover systems for Avoiding Ping-Pong Effect in Wireless Cellular Networks

A Comparison Study of Two Fuzzy-Based Handover Systems for A...

引用

International Conference on Network-Based Information systems (NBIS)

Wireless mobile networks and devices are becoming increasingly popular to provide users the access anytime and anywhere. The mobile systems are based on cellular approach and the area is covered by cells that overlap each other. Many handover algorithms are proposed in the literature. However, to make a better handover and keep the QoS in wireless networks is very difficult task. For this reason, new intelligent algorithms should be implemented to deal with this problem. In this paper, we carried out a comparison study of two handover systems based on fuzzy logic. We implement two fuzzy-based handover systems (FBHS). We call them FBHS1 and FBHS2. The performance evaluation via simulations shows that FBHS2 has better behavior than FBHS2 and can avoid ping-pong effect in all simulation cases.

关键词： Land mobile radio cellular systems Electronic mail Wireless networks Fuzzy logic Transceivers Informatics Neural networks Information systems computer networks Information science

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Implementation of an E-learning System Using P2P, Web and Sensor Technologies

Implementation of an E-learning System Using P2P, Web and Se...

引用

International Conference on Advanced Information Networking and Applications (AINA)

作者： Keita Matsuo Leonard Barolli Fatos Xhafa Valadi Kolici Akio Koyama Arjan Durresi Rozeta Miho Graduate School of Engineering Fukuoka Institute of Technology Japan Department of Information and Communication Engineering FIT Fukuoka Japan Department of Languages and Informatics Systems Technical University of Catalonia Barcelona Spain Department of Electronics and Telecommunication Polytechnic University of Tirana Tirana Albania Department of Informatics Faculty of Engineering Yamagata University Yonezawa Yamagata Japan Department of Computer and Information Science Indiana University-Purdue University Indianapolis Indianapolis IN USA

This work is motivated by the need to develop decentralized P2P approaches to support learning and teaching activity in virtual universities. In this paper, we present the implementation of the JXTA-based e-learning P2P system. We also show the design and implementation of a SmartBox environment that will be used for stimulating the learners to increase the learning efficiency. The proposed e-learning P2P system is a useful tool for monitoring and controlling learnerspsila activity. We evaluate the proposed system by experimental results and show that proposed system has a good performance. In the future, we aim to use it in real virtual campus environments.

关键词： Electronic learning Sensor systems Electronic mail Information security Peer to peer computing Communication system control Informatics Education Control systems Internet

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Experimental Results and Evaluation of SmartBox Stimulation Device in a P2P E-learning System

Experimental Results and Evaluation of SmartBox Stimulation ...

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International Conference on Network-Based Information systems (NBIS)

作者： Keita Matsuo Leonard Barolli Joan Arnedo-Moreno Fatos Xhafa Akio Koyama Arjan Durresi Graduate School of Engineering Fukuoka Institute of Technology Fukuoka Japan Department of Information and Communication Engineering Fukuoka Institute of Technology Fukuoka Japan Department of Computer Science Multimedia and Telecommunication Universitat Oberta de Catalunya Barcelona Spain Department of Languages and Informatics Systems Technical University of Catalonia Barcelona Spain Department of Informatics Yamagata University Yonezawa Yamagata Japan Department of Computer and Information Science Indiana University-Purdue University Indianapolis Indianapolis IN USA

In this paper, we present the experimental results and evaluation of the SmartBox stimulation device in P2P e-learning system which is based on JXTA-Overlay. We also show the design and implementation of the SmartBox environment that is used for stimulating the learners motivation to increase the learning efficiency. The SmartBox is integrated with our P2P system as a useful tool for monitoring and controlling learners' activity. We found by experimental results that the SmartBox is an effective way to increase the learner's concentration. We also investigated the relation between learner's body movement, concentration, and amount of study. From the experimental results, we conclude that the use of SmartBox is an effective way to stimulate the learners in order to continue studying while maintaining the concentration.

关键词： Electronic learning Electronic mail Information security Peer to peer computing Control systems Internet Web server Informatics Monitoring Application software

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Managing Malware in Higher Learning Institutions

Managing Malware in Higher Learning Institutions

引用

International Conference on computer and Electrical engineering, ICCEE

作者： Zuraini Ismail Christine Simfukwe Department of Science College of Science & Technology International Campus Universiti Teknologi Malaysia Kuala Lumpur Malaysia Centre of Advanced Software Engineering Faculty of Computer Science and Information Systems International Campus Universiti Teknologi Malaysia Kuala Lumpur Malaysia

"Malware" is an umbrella term that describes a variety of Internet-borne threats, including viruses, spyware,Trojan horses, spam, bots and more. This sophisticated and evolving security threat puts all businesses at risk, no matter how big or small. Malware creates unique challenges to higher learning institutions (HLI) in protecting their information assets. This is largely due to the fact that HLI information technology (IT) departments must balance between enabling a highly collaborative, non-restrictive environment and ensuring the confidentiality, integrity, and availability of data and computing resources. HLIs can proactively defend the network to reduce the risks associated with this threat by assessing the vulnerabilities and threats present in their networks and implementing appropriate multilayer security. A multilayer approach involves applying countermeasures at every layer of the computer network, from the perimeter routers and firewalls to users' personal computers in order to increase network security. The goal of this study is to propose a framework for network security protection against malware to increase the level of protection using non technical countermeasures.

关键词： Protection Nonhomogeneous media Internet computer viruses Horses Information security Information technology Collaboration Availability Data security

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Performance Analysis of OLSR and BATMAN Protocols Considering Link Quality Parameter

Performance Analysis of OLSR and BATMAN Protocols Considerin...

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International Conference on Advanced Information Networking and Applications (AINA)

作者： Leonard Barolli Makoto Ikeda Giuseppe De Marco Arjan Durresi Fatos Xhafa Department of Information and Communication Engineering Fukuoka Institute of Technology (FIT) Higashi-Ku Fukuoka Japan Graduate School of Engineering FIT Higashi-Ku Fukuoka Japan Toyota Kogyo Daigaku Nagoya Aichi JP Department of Computer and Information Science Indiana University Purdue University at Indianapolis (IUPUI) Indianapolis IN USA Department of Languages and Informatics Systems Polytechnic University of Catalonia Barcelona Spain

ISBN: (纸本)9781424440009

In this paper, we present the implementation and analysis of our testbed considering the link quality window size (LQWS) parameter of optimized link state routing (OLSR) and better approach to mobile ad-hoc networking (B.A.T.M.A.N.) protocols. We investigate the effect of mobility in the throughput of a mobile ad-hoc network (MANET). The mobile nodes move toward the destination at a regular speed. When the mobile nodes arrive at the corner, they stop for about three seconds. In our experiments, we consider two cases: only one node is moving (mobile node)and two nodes (intermediate nodes) are moving at the same time. We assess the performance of our testbed in terms of throughput, round trip time, jitter and packet loss. From our experiments, we found that throughput of TCP was improved by reducing LQWS.

关键词： Performance analysis Routing protocols Throughput Mobile ad hoc networks System testing Ad hoc networks Performance loss computer networks Information science USA Councils

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Newborn Screening System Based on Adaptive Feature Selection and Support Vector Machines

Newborn Screening System Based on Adaptive Feature Selection...

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IEEE Symposium on Bioinformatics and Bioengineering (BIBE)

作者： Sung-Huai Hsieh Yin-Hsiu Chien Chia-Ping Shen Wei-Hsin Chen Po-Hao Chen Sheau-Ling Hsieh Po-Hsun Cheng Feipei Lai Department of Computer Science and Information Engineering National Taiwan University Taiwan Information Systems Office National Taiwan University Hospital Taipei Taiwan Department of Medical Genetics National Taiwan University Hospital Taiwan Graduate Institute of Biomedical Electronics and Bioinformatics National Taiwan University Taiwan Network and Computer Centre National Chiao Tung University Hsinchu Taiwan Department of Software Engineering National Kaohsiung Normal University Taiwan

The clinical symptoms of metabolic disorders during neonatal period are often not apparent, if not treated early irreversible damages such as mental retardation may occur, even death. Therefore, practicing newborn screening is very important to prevent neonatal from these damages. In this paper, the newborn screening system used support vector machines (SVM) classification technique is proposed in place of cut-off value decision to evaluate the metabolic substances concentration raw data obtained from tandem mass spectrometry (MS/MS) and determine whether the newborn has some kinds of metabolic disorder diseases. On the basis of the proposed features, new analytic combinations are identified with superior discriminatory performance compared with the best published combinations. Classifiers built with the feature selection to find C3/C2, C3 and C16 of three key point features achieved diagnostic sensitivities, specificities and accuracy approaching 100%.

关键词： Pediatrics Adaptive systems Support vector machines Support vector machine classification Biochemistry Testing Hospitals Diseases Machine learning Bioinformatics

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Stimulation Effects of SmartBox for E-learning Using JXTA-Overlay P2P System

Stimulation Effects of SmartBox for E-learning Using JXTA-Ov...

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International Conference on Complex, Intelligent and software Intensive systems, CISIS

作者： Keita Matsuo Leonard Barolli Vladi Kolici Fatos Xhafa Akio Koyama Arjan Durresi Graduate School of Engineering Fukuoka Institute of Technology Fukuoka Japan Department of Information and Communication Engineering Fukuoka Institute of Technology Fukuoka Japan Department of Electronics and Telecommunication Polytechnic University of Tirana Tirana Albania Department of Languages and Informatics Systems Polytechnic University of Catalonia Barcelona Spain Department of Informatics Yamagata University Yonezawa Yamagata Japan Department of Computer and Information Science Indiana University-Purdue University Indianapolis Indianapolis IN USA

ISBN: (纸本)9781424435692

This work is motivated by the need to develop decentralized P2P approaches to support learning and teaching activity in virtual *** this paper, we present the stimulation effects of the SmartBox for e-learning using JXTA-overlay P2P system. We also show the design and implementation of the SmartBox environment that is used for stimulating the learners motivation to increase the learning efficiency. The SmartBox is integrated with our P2P system as a useful tool for monitoring and controlling learners' activity. We found by experimental results thatthe SmartBox is an effective way to increase the learner's concentration. We also investigated the relation between learner's body movement, concentration, and amount of study. We found that when the learner is solving more exerciseshe has more body *** shows that when the number of body movements is hight,the learner's concentration is high. We also consider the feasibility of our P2P platform to integrate different computational end-devices.

关键词： Electronic learning Electronic mail Information security Peer to peer computing Education Internet Web server Informatics Control systems Application software

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Web Services Based Bio-signal System Leveraging Support Vector Machines

Web Services Based Bio-signal System Leveraging Support Vect...

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IEEE Symposium on Bioinformatics and Bioengineering (BIBE)

作者： Sung-Huai Hsieh Sheau-Ling Hsieh Chia-Ping Shen Wei-Hsin Chen Po-Hsun Cheng Kai-Ping Hsu Chi-Huang Chen Feipei Lai Department of Computer Science and Information Engineering National Taiwan University Taipei Taiwan Information Systems Office National Taiwan University Hospital Taipei Taiwan Graduate Institute of Biomedical Electronics and Bioinformatics National Taiwan University Taiwan Department of Software Engineering National Kaohsiung Normal University Taiwan Department of Electrical Engineering National Taiwan University Taipei Taiwan National Taiwan University Hospital Taipei TW

Bio-signal analysis is one of the most important approaches to biomedical engineering. The health information such as ECG, PCG, EMG and EEG are often recorded in digital format to be analyzed. In this paper, a bio-signal analyzing Web service system using Support Vector Machines (SVM) classifier technique is proposed. The bio-signals are recorded in digital format as the input of the system. In addition, based on the concept of Service-Oriented Architecture (SOA), the system under Web services .NET is designed. The system provides features including heterogeneous platform, protocols, as well as applications. The system has been designed with the purpose of seamless integration into the Health Information System.

关键词： Web services Support vector machines Support vector machine classification Service oriented architecture Biomedical engineering Electrocardiography Electromyography Electroencephalography Information analysis Protocols

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