World Academic Union

Displaying 1-40 of 276 results

  • White Papers // Jan 2012

    Factors of Effective Business Software Systems Development and Enhancement Projects Work Effort Estimation

    Majority of Business Software Systems (BSS) Development and Enhancement Projects (D&EP) fail to meet criteria of their effectiveness, what leads to the considerable financial losses. One of the fundamental reasons for such projects' exceptionally low success rate are improperly derived estimates for their costs and time. In the case of...

    Provided By World Academic Union

  • White Papers // Apr 2010

    A Group Key Agree Management Scheme for MANET

    Mobility of the nodes in mobile ad hoc network usually made huge change of network topology. This challenges the secure of the group communication quite a lot. Group key agree management model and security model for the MANET is presented in the paper. And group key agree management scheme was...

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  • White Papers // Feb 2012

    3D Sensing and Mapping for a Tracked Mobile Robot with a Movable Laser Ranger Finder

    In this paper, the authors present a sensing system for 3D sensing and mapping by a tracked mobile robot with an arm-type sensor movable unit and a Laser Range Finder (LRF). The arm-type sensor movable unit is mounted on the robot and the LRF is installed at the end of...

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  • White Papers // Apr 2012

    Heuristic Optimization Techniques for Network Reconfiguration in Distribution System

    Network reconfiguration is an import means for optimal operation of distribution network. It is an operation in configuration to alter the network structure of distribution feeders. Network reconfiguration is an operation to modify the network topology. The implementation of network reconfiguration has many advantages such as loss minimization, increasing system...

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  • White Papers // Apr 2012

    A Performance Evaluation of Cellular Network Suitability for VANET

    Recently, Vehicular Ad-hoc NETworks (VANETs) for Intelligent Transport System (ITS) have become able safety and convenience services surpassing the simple services such as an electronic toll collection system. To provide the proper services, VANET needs infrastructure over the country infrastructure. Thus, the authors have to spend a huge sum of...

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  • White Papers // Apr 2012

    Network Reconfiguration for Load Balancing in Distribution System with Distributed Generation and Capacitor Placement

    In this paper, the authors present an efficient algorithm for optimization of radial distribution systems by a network reconfiguration to balance feeder loads and eliminate overload conditions. The system load-balancing index is used to determine the loading conditions of the system and maximum system loading capacity. The index value has...

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  • White Papers // Apr 2012

    Taxonomy of Structured P2P Overlay Networks Security Attacks

    The survey and classification of the different security attacks in structured Peer-To-Peer (P2P) overlay networks can be useful to computer system designers, programmers, administrators, and users. In this paper, the authors attempt to provide taxonomy of structured P2P overlay networks security attacks. They have specially focused on the way these...

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  • White Papers // Apr 2012

    Enhancing the Connectedness in Ad-hoc Mesh Networks Using the Terranet Technology

    In this paper, the authors try to find the critical number of nodes which makes the network fully connected in a particular area, and then propose a method to enhance the intermediate node to accept to be a router to forward the data from the sender to the receiver. Much...

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  • White Papers // Sep 2012

    Is the Use of Social Networking Sites Correlated with Internet Addiction? Facebook Use Among Taiwanese College Students

    The aim of this paper was to investigate the correlation between Facebook involvement and internet addiction. The authors sampled 577 university students in Taiwan and administered a survey of Facebook usage, Facebook Involvement Scale (FIS), and internet addiction scale. The FIS comprises three factors (salience, emotional support, and amusement). Results...

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  • White Papers // Aug 2012

    M-ary Chaotic Sequence Based SLM-OFDM System for PAPR Reduction without Side-Information

    SeLected Mapping (SLM) is a PAPR reduction technique, which converts the OFDM signal into several independent signals by multiplication with the phase sequence set and transmits one of the signals with lowest PAPR. But it requires the index of the selected signal i.e. Side Information (SI) to be transmitted with...

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  • White Papers // Oct 2012

    Effects of Mobile Phone Generated High Frequency Electromagnetic Field on the Viability and Biofilm Formation of Staphylococcus Aureus

    Staphylococcus aureus, one of the microflora in a human External Auditory Canal (EAC) is frequently exposed to High-Frequency ElectroMagnetic Field (HF-EMF) generated by mobile phones. It is normally non-pathogenic but in certain circumstances, it can cause infections. This study investigates the changes in the physiology of S. aureus when exposed...

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  • White Papers // Oct 2012

    A Secure Mobile OTP Authentication Scheme for User Mobility Cloud VDI Environment

    Since Cloud environment has appeared as the most powerful keyword in the computing industry, the growth in VDI (Virtual Desktop Infrastructure) became remarkable in domestic market. In this paper, mobile OTP (One-Time Password) authentication method is proposed to secure mobile device portability through rapid and secure authentication using mobile devices...

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  • White Papers // Oct 2012

    MIMO Performances in Tunnel Environment: Interpretation from the Channel Characteristics

    The objective of this paper is to study the performances in terms of bit error rate, of space-time code algorithms applied to MIMO communication in tunnels. Indeed, the channel characteristics in a tunnel are quite different than those of urban or indoor environment, due to the guiding effect of the...

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  • White Papers // Oct 2012

    Using A Hybrid Algorithm to Improve the Quality of Services in Multicast Routing Problem

    A Hybrid Learning automata-Genetic Algorithm (HLGA) is proposed to solve QoS routing optimization problem of next generation networks. The algorithm complements the advantages of the Learning automato Algorithm (LA) and Genetic Algorithm (GA). It firstly uses the good global search capability of LA to generate initial population needed by GA...

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  • White Papers // May 2012

    Towards Cloud Computing Anatomy

    Cloud Computing has recently emerged as a compelling paradigm for managing and delivering services over the internet. The rise of Cloud Computing is rapidly changing the landscape of information technology, and ultimately turning the long-held promise of utility computing into a reality. In this paper, the authors present the anatomy...

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  • White Papers // Aug 2012

    Goal-Based Request Cloud Resource Broker in Medical Application

    In this paper, cloud resource broker using goal-based request in medical application is proposed. To handle recent huge production of digital images and data in medical informatics application, the cloud resource broker could be used by medical practitioner for proper process in discovering and selecting correct information and application. This...

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  • White Papers // Jan 2012

    Topology Influence on TCP Congestion Control Performance in Multi-hop Ad Hoc Wireless

    Wireless Ad hoc nodes are freely and dynamically self-organize in communicating with others. Each node can act as host or router. However it actually depends on the capability of nodes in terms of its current power level, signal strength, number of hops, routing protocol, interference and others. In this research,...

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  • White Papers // Dec 2012

    Adaptive Fuzzy Routing in Opportunistic Network (AFRON)

    Opportunistic network is a kind of Delay Tolerant Networks (DTN) where the nodes in this network come into contact with each other opportunistically and communicate wireless and, an end-to-end path between source and destination may have never existed, and disconnection and reconnection is common in the network. In such a...

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  • White Papers // Dec 2012

    Controllable Electrical Power Plug Adapters Made As A ZigBee Wireless Sensor Network

    Using Internet communication, new home electronics have functions of monitoring and control from remote. However in many case these electronics work as standalone, and old electronics are not followed. Then, the authors developed the total remote system include not only new electronics but olds. This systems node is an adapter...

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  • White Papers // Dec 2012

    Analyzing The Effect of Variable Round Time for Clustering Approach in Wireless Sensor Networks

    As wireless sensor networks are energy constraint networks so energy efficiency of sensor nodes is the main design issue. Clustering of nodes is an energy efficient approach. It prolongs the lifetime of wireless sensor networks by avoiding long distance communication. Clustering algorithms operate in rounds. Performance of clustering algorithm depends...

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  • White Papers // Jun 2012

    Analysis of Student Motivation Behavior on e-Learning Based on Association rule mining

    This research aims to create a model for analysis of student motivation behavior on e-Learning based on association rule mining techniques in case of the Information Technology for Communication and Learning Course at Suan Sunandha Rajabhat University. The model was created under association rules, one of the data mining techniques...

    Provided By World Academic Union

  • White Papers // Jun 2012

    Designing a Framework for Network Security Protection

    As the Internet continues to grow at a rapid pace as the primary medium for communications and commerce and as telecommunication networks and systems continue to expand their global reach, digital information has become the most popular and important information resource and the people dependence upon the underlying cyber infrastructure...

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  • White Papers // Jun 2012

    Improving the Quality of e-learning Courses in Higher Education through Student Satisfaction

    The purpose of the research is to characterize the levels of satisfaction of the students in e-learning post-graduate courses, taking into account specific dimensions of the course which were considered as benchmarks for the quality of this type of online learning initiative, as well as the levels of satisfaction towards...

    Provided By World Academic Union

  • White Papers // Oct 2012

    Modeling and Analysis for Effective Capacity of a Cross-Layer Optimized Wireless Networks

    New generation mobile communication networks have the ability of supporting triple play. In order that, Orthogonal Frequency Division Multiplexing (OFDM) access techniques have been chosen to enlarge the system ability for high data rates networks. Many of cross-layer modeling and optimization schemes for Quality of Service (QoS) and capacity of...

    Provided By World Academic Union

  • White Papers // Oct 2012

    Maximizing Sum-Rate for Multi-User Two-Way Relaying Networks with ANC Protocol

    In this paper the authors study the resource allocation problem for an OFDMA based cooperative Two-Way Relaying (TWR) network. They focus on Amplify and Forward (AF) Analog Network Coding (ANC) protocol. An optimization problem for two basic resources namely, sub-carrier and power is formulated for multi-user TWR networks. A joint...

    Provided By World Academic Union

  • White Papers // Oct 2012

    Hybrid Approach for Memory Analysis in Windows System

    Random Access Memory (RAM) is an important device in computer system. It can represent the snapshot on how the computer has been used by the user. With the growth of its importance, the computer memory has been an issue that has been discussed in digital forensics. A number of tools...

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  • White Papers // Sep 2012

    Design and Implementation of a WiFi Based Home Automation System

    This paper presents a design and prototype implementation of new home automation system that uses Wi-Fi technology as a network infrastructure connecting its parts. The proposed system consists of two main components; the first part is the server (web server), which presents system core that manages, controls, and monitors users'...

    Provided By World Academic Union

  • White Papers // Aug 2012

    Hubs as Catalysts for Geospatial Communication in Kinship Networks

    Earlier studies in kinship networks have primarily focused on observing the social relationships existing between family relatives. In this paper, the authors pre-identified hubs in the network to investigate if they could play a catalyst role in the transfer of physical information. They conducted a case study of a ceremony...

    Provided By World Academic Union

  • White Papers // Aug 2012

    Evaluation of Efficient CSI Based Channel Feedback Techniques for Adaptive MIMO-OFDM Systems

    This paper explores the implementation of adaptive coding and modulation schemes for Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) feedback systems. Adaptive coding and modulation enables robust and spectrally-efficient transmission over time-varying channels. The basic premise is to estimate the channel at the receiver and feed this estimate back to...

    Provided By World Academic Union

  • White Papers // Mar 2012

    Local Algorithm for Establishing a Virtual Backbone in 3D Ad hoc Network

    Due to the limited lifetime of the nodes in Ad hoc and sensor networks, energy efficiency needs to be an important design consideration in any routing algorithm. It is known that by employing a virtual backbone in a wireless network, the efficiency of any routing scheme for the network can...

    Provided By World Academic Union

  • White Papers // Mar 2012

    Indoor Mapping by using Smartphone Device

    This paper presented the potential of smart phone to provide support on mapping the indoor asset. The advantage of using the smart phone to generate the indoor map is that it has the ability to capture, store and reproduces still or video images; indeed most of us do have this...

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  • White Papers // Apr 2012

    The Possibility to Resolve the Security Problems Through the LTE in Vehicular Ad-Hoc Networks

    Vehicular Ad-hoc NETworks (VANET) can provide communications between vehicles or infrastructures. It provides the convenience of driving and the secure driving to reduce accidents. In VANET, the security is more important because it is closely related to accidents. Additionally, VANET raises a privacy issue because it can track the location...

    Provided By World Academic Union

  • White Papers // Dec 2011

    Location Based Clustering in Wireless Sensor Networks

    Due to the limited energy resources, energy efficient operation of sensor node is a key issue in wireless sensor networks. Clustering is an effective method to prolong the lifetime of energy constrained wireless sensor network. However, clustering in wireless sensor network faces several challenges such as selection of an optimal...

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  • White Papers // Oct 2012

    3G WCDMA Mobile Network DoS Attack and Detection Technology

    Currently, there has been a 3G mobile networks data traffic explosion due to the large increase in the number of Smartphone users. Unlike a traditional wired infrastructure, 3G mobile networks have limited wireless resources and signaling procedures for complex wireless resource management. And mobile network security for various abnormal and...

    Provided By World Academic Union

  • White Papers // Oct 2012

    Assessment of Channel Unavailability Effect on the Wireless Networks Teletraffic Modeling and Analysis

    Whereas cellular wireless communication systems are subject to short- and long-term fading, the effect of wireless channel has largely been ignored in most of the teletraffic assessment researches. In this paper, a mathematical teletraffic model is proposed to estimate blocking and forced termination probabilities of cellular wireless networks as a...

    Provided By World Academic Union

  • White Papers // Oct 2012

    A Novel Feedback-Based Integrated FiWi Networks Architecture by Centralized Interlink-ONU Communication

    Integrated Fiber-Wireless (FiWi) access networks are a viable solution that can deliver the high profile quadruple play services. Passive Optical Networks (PON) networks integrated with wireless access networks provide ubiquitous characteristics for high bandwidth applications. Operation of PON improves by employing a variety of multiplexing techniques. One of it is...

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  • White Papers // Apr 2014

    Ontologies for Complex Event Processing

    There is currently a lot of work on systems that can analyze the events, e.g., Complex Event Processing (CEP). In this paper, five ontologies are described, which include the event concepts. The paper provides an overview and comparison of existing event models. The main criteria for comparison are that there...

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  • White Papers // Jun 2014

    Applying Spanning Tree Graph Theory for Automatic Database Normalization

    In knowledge and data engineering field, relational database is the best repository to store data in a real world. It has been using around the world more than eight decades. Normalization is the most important process for the analysis and design of relational databases. It aims at creating a set...

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  • White Papers // Jul 2013

    Preliminary Overview of Data Mining Technology for Knowledge Management System in Institutions of Higher Learning

    Data mining has been integrated into application systems to enhance the quality of the decision-making process. This paper aims to focus on the integration of data mining technology and Knowledge Management System (KMS), due to the ability of data mining technology to create useful knowledge from large volumes of data....

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  • White Papers // Jun 2013

    A Multi-Agent Framework for Data Mining

    A generic and extendible Multi-Agent Data Mining (MADM) framework, MADMF (the Multi-Agent Data Mining Framework) is described. The central feature of the framework is that it avoids the use of agreed meta-language formats by supporting a framework of wrappers. The advantage offered is that the framework is easily extendible, so...

    Provided By World Academic Union