Journal of Computing

Displaying 1-40 of 236 results

  • White Papers // Mar 2015

    Data Confidentiality and Integrity in Mobile Cloud Computing

    Mobile Cloud Computing (MCC) is a technology that allows mobile users to access data and applications by using mobile devices. The major challenge that faces MCC is how to ensure the integrity and confidentiality of the user's files/data. This paper proposes a framework that consists of three components, including the...

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  • White Papers // Oct 2014

    Analysis of Server Performance with Different Techniques of Virtual Databases

    Database virtualization is understood by different people in different ways; either it is executing or storing databases on virtual machine or a full virtualization of database. It helps in masking the actual physical location of the databases from the programs and users using it. With the aid of virtualization, databases...

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  • White Papers // Aug 2014

    A Survey of Security Issues for Data Sharing over Untrusted Cloud Providers

    Interest in cloud computing market is growing rapidly in the recent years. It provides on-demand, high scalability computing resources with high availability and reliability. However, security is considered as one of the biggest obstacles for cloud computing. In this paper, the authors focus on the main security and privacy issues,...

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  • White Papers // Aug 2014

    Review and Analysis of Pothole Detection Methods

    As one type of pavement distresses, potholes are important clues indicating structural defects of the asphalt road, and accurately detecting these potholes is one of important tasks for determining proper strategies of asphalt-surfaced pavement maintenance and rehabilitation. However, manually detecting and evaluating methods are expensive and time-consuming. Thus, several efforts...

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  • White Papers // Aug 2014

    Automatic Learning Context Tool for Effective Personal Document Indexing and Retrieval

    Managing digital documents has become a time consuming process due to sheer scale. Most users manage their personal documents by creating logical hierarchical folder structures. This logical structure depends on the user's assessment of the context of the document. Basic file structuring has not been changed for decades and hierarchical...

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  • White Papers // Aug 2014

    A Novel Real-Time Road Information Management Technique for Traffic Congestion Mitigation

    Road transport is an inevitable requirement to the human civilization where it provides considerable economic and social benefits to the society. However, poor management of traffic flow imposes challenges such as traffic congestion. Problems arise when there is too much traffic for the available physical road capacity to handle. This...

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  • White Papers // Aug 2014

    Efficient Intrusion Detection using Weighted K-means Clustering and Na

    Intrusion Detection System (IDS) is becoming a vital component to secure the network. A successful intrusion detection system requires high accuracy and detection rate. In this paper a hybrid approach for intrusion detection system based on data mining techniques is proposed. The principal ingredients of the approach are weighted k-means...

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  • White Papers // Jun 2014

    Some Issues Pertinent to Now days Mobile Learning

    In this paper, the authors intended to touch on some issues related to the new direction of learning, mobility. This paper also will generally go over some issues pertinent to mobile learning and devices where the learners obviously are intending, intentionally or unintentionally, to utilize mobile devices for learning purposes....

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  • White Papers // Jun 2014

    Advanced Security Models for Cloud Infrastructures

    Cloud computing is the next-generation Internet paradigm that is offered to the business environment, educational domain and, generally, to individual users. While educational institutions and individuals quickly embraced this new technology, companies were reluctant, most of their doubts being related to the security problems. With that in mind, companies prefer...

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  • White Papers // Jun 2014

    Three Node Tandem Communication Network Model with Feedback Having Homogeneous Arrivals

    Communication network plays imperative role in evaluating the communication systems. These have separate deployment for each up-and-coming service like data networks and telephony networks. In communication systems it is usual to consider that the arrivals are characterized by passion process. In this paper, the authors developed and analyzed the three...

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  • White Papers // Jun 2014

    A Review of Big Data Management, Benefits and Challenges

    Big data is relatively a new concept which refers to datasets whose size is beyond the ability of typical database software tools to capture, store, manage and analyze. The accumulated huge amount of data that previously of no significant importance or value have been put into maximum use due to...

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  • White Papers // May 2014

    A Survey of Distributed Association Rule Mining Algorithms

    Association rule mining is a popular and well researched method for discovering interesting relations between variables in large databases. It is intended to identify strong rules discovered in databases using different measures of interestingness. Most ARM algorithms focus on a sequential or centralized environment where no external communication is required....

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  • White Papers // May 2014

    Compatibility Relation and its Application to Network Segmentation and Decentralization

    A relation on a set which is reflexive and symmetric is called a Compatibility Relation (CR). It is difficult to trace since when the profound mathematics of compatibility relation came into existence. In this paper, some new properties of compatibility classes of a finite set endowed with a suitable compatibility...

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  • White Papers // May 2014

    ERP Software Selection using IFS and GRA Methods

    Enterprise Resource Planning (ERP) is like a modular, generic software package integrating the flow of information between departments in all logistics company. Furthermore extended ERP applications provide web-based connections between interdependent organizations like supply chain partners. In order to meet ever-changing needs of the logistics companies competing in dynamic environments,...

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  • White Papers // May 2014

    Description of Consistency Rules in Software Design Models

    Software system is gaining hold on the peoples' daily activities. May it be a grocery store, building designing and architecture, vehicle manufacturing, communication technology, online commerce, local administration, defense or any other aspects of society software system is enhancing the functioning of all aspects of the society. The software systems...

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  • White Papers // May 2014

    Application of ANP in Evaluating Accounting Softwares based on Accounting Information Systems Characteristics

    In today's commercial world, accounting software's are of great importance for purposes of collecting, classifying and yielding financial reports; thus, it is an essential necessity for every firm to select appropriate and highly efficient software in order to reach their organizational goals. This paper applies Analytic Network Process (ANP) method...

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  • White Papers // Apr 2014

    A Cross Layer Protocol for Energy Aware and Critical Data Delivered Applications Using Wireless Sensor Networks

    Environment monitoring applications using Wireless Sensor Networks (WSNs) have had a lot of attention in recent years. In much of this research tasks like sensor data processing, environment states and events decision making and emergency message sending are done by a remote server. A proposed cross layer protocol for two...

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  • White Papers // Apr 2014

    Penetration Testing With Banner Grabbers and Packet Sniffers

    With looming threats from hackers, identity and corporate data thieves, it is impossible to avoid doing penetration testing at the corporate level so as to ascertain the security of the network. The more ubiquitous penetration testing becomes the more likely secure most organizations become. This paper demonstrates how to use...

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  • White Papers // Apr 2014

    Phishing, SMiShing & Vishing: An Assessment of Threats Against Mobile Devices

    In this paper, the authors proposed an exploratory assessment of phishing, SMiShing and vishing attacks against mobile devices. It examines the implications of end-user behavior towards mitigating the risks posed by using mobile devices for online services and facilities. Phishing is that socially engineered attack aimed at enticing unsuspecting users...

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  • White Papers // Apr 2014

    A Review of Algorithms for Determination of Attackability Metrics

    Attackability is a concept proposed recently in literature to measure the extent that a software system or service could be the target of a successful attack. A Holistic predictive attackability metrics model has been proposed in the authors' previous paper. Metrics derived from this model, their theoretical and empirical validation...

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  • White Papers // Apr 2014

    Optimal Operating Performances of Wireless Protocols for Intelligent

    The systems based on intelligent sensors are currently expanding, due to theirs functions and theirs performances of intelligence: transmitting and receiving data in real-time, computation and processing algorithms, metrology remote, diagnostics, automation and storage measurements. The radio frequency wireless communication with its multitude offers a better solution for data traffic...

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  • White Papers // Mar 2014

    Cloud Computing and Associated Mitigation Techniques: A Security Perspective

    Cloud computing is the contemporary technology in the field of information technology. It is rapidly turning into one of the most prominent technologies due to its growing and revolutionary nature in recent times. It assures to delivers a wide range of resources like flexible IT architecture, scalability, availability, fault tolerance,...

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  • White Papers // Mar 2014

    CPU Utilization for a Multiple Video Streaming Over a Fiber Optic ATM-Network when Varying the Quality of Service

    The Asynchronous Transfer Protocol (ATM) gives the broadband services users a high quality demands with a good opportunity to operate their networks. One important feature of the ATM-network is the Quality of Service (QoS) attribute. In this paper, the authors are explaining the effect of varying the QoS on the...

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  • White Papers // Mar 2014

    Application of Banach Space Ideal Properties in Image Transmission over Wireless Network

    In this paper, the authors develop the concept of nuclearity in functional analysis. The Banach space operator ideals and nuclear maps have a large class of morphisms which behave as if they were part of a compact closed category, that is, they allow one to transfer variables between the domain...

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  • White Papers // Mar 2014

    The Influence of Social Networks on Students' Performance

    Social networks are becoming an integral part of the peoples' lives. Students are spending much time on social media and are considered the largest category that uses such application. This paper tries to explore the influence of social media use, and especially Facebook, on high school students' performance. A proposed...

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  • White Papers // Mar 2014

    Cellular Mobile Signal Propagation; Effects of EIRP and Antenna Gain

    In this paper, the authors compare the cellular mobile network signals and transmission properties of two mobile service networks. The background theories for the propagation of cellular mobile signals were reviewed. A mobile signal analyzer capable of measuring power density was used to measure the received signal power density at...

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  • White Papers // Mar 2014

    An Enhanced Method for Generating Composite Candidate Keys Based on N

    In a relational database, a candidate key is defined as a set of attributes that is distinct the database rows. The determining process of a candidate key could affect the database performance and optimization. In this paper, an algorithm based on N

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  • White Papers // Feb 2014

    Automatic Management of Wireless Sensor Networksthrough Cloud Computing

    With the faster adoption of Wireless Sensor Networks (WSNs), on the one hand sensor-derived data need to be accessed via various web-based social networks or virtual communities and on the other hand, limited processing ability of WSNs is a hurdle. To address this issue WSNs can be integrated with cloud....

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  • White Papers // Feb 2014

    Consumer Attitude towards M-Commerce: The Perceived Level of Security and the Role of Trust

    The emerging industry of Mobile commerce (M-commerce), while being a complex and with uncertain environment is influencing businesses and consumers engagement at both national and international levels. This paper are to: investigate the degree to which various trust and information security factors influence consumer to engage in mobile commerce, and...

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  • White Papers // Feb 2014

    Performance Analysis of Dynamic Source Routing Protocol

    Dynamic Source Routing (DSR) is an efficient on-demand routing protocol for Mobile Ad-hoc NETworks (MANETs). It depends on two main procedures: route discovery and route maintenance. Route discovery is the procedure used at the source of the packets to discover a route to the destination. Route maintenance is the procedure...

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  • White Papers // Feb 2014

    Developing a Human Machine Interface (HMI) for Industrial Automated Systems using Siemens Simatic WinCC Flexible Advanced Software

    Most industrial plants are automated without any operator-machine interaction. This makes it difficult for the operator to at a glance know the state of the machines and the immediate steps to undertake in order to clear any anomalies occurring in the plant. In this paper, consideration was given to the...

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  • White Papers // Feb 2014

    Compressed Spectrum Sensing in Cognitive Radio Network Based on Measurement Matrix

    Compressive Sampling (CS), or compressive sensing, has the ability for reconstructing a sparse signal with small number of measurements. There are some applications like spectrum sensing in cognitive radio which not necessarily need a perfect reconstruction. Consequently in this application, toward the decrement of high signal acquisition costs in wideband...

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  • White Papers // Jan 2014

    Routing Protocols for Vehicular Adhoc Networks (VANETs): A Review

    Routing in vehicular ad hoc networks is a challenging task due to the unique characteristics of the network such as high mobility of nodes, dynamically changing topology and highly partitioned network. It is a challenge to ensure reliable, continuous and seamless communication in the presence of speeding vehicles. The performance...

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  • White Papers // Jan 2014

    Performance Analysis of Node Placement in Linear Wireless Sensor Networks

    Linear Wireless Sensor Networks (LWSNs) are captivating significant attention because of their suitability for wide-range of applications. These applications dictate the topology of the network (i.e., placement of nodes) and introduce unique challenges such as non-uniform energy consumption. Moreover, these applications require LWSNs to operate for decades. However, sensor nodes...

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  • White Papers // Dec 2013

    Providing Accurate Time Reference with the STM4F32Discovery Embedded System for Purposes of Crystal Calibrations

    Crystal oscillators are today present in almost every embedded system. They are usually used for precise frequency generation, which can then be used for generating driving processors, microcontrollers, radio transceivers, real time clock generators and other devices which rely on precise and stable frequency for proper operation. This paper presents...

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  • White Papers // Dec 2013

    An Associative Classification Data Mining Approach for Detecting Phishing Websites

    Phishing websites are fake websites that are created by dishonest people to mimic web pages of real websites. Victims of phishing attacks may expose their financial sensitive information to the attacker whom might use this information for financial and criminal activities. Various approaches have been proposed to detect phishing websites,...

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  • White Papers // Dec 2013

    Design and Simulation of a Green Broker with Imprecise Computation Scheduling for Energy-efficient Large Scale Computing in Clusters

    Cluster computing has attracted attention for large scale computing using idle CPU cycles of personal computers connected in local area network. The authors propose a green broker with imprecise computation scheduling for large scale computing in clusters. Imprecise computation techniques provide scheduling flexibility by trading off result quality to meet...

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  • White Papers // Dec 2013

    Combinatoric Drag-Pattern-Graphical-Password (DPGP)

    Creating secure password has been limited attributable to password restriction and policy. Users tend to choose memorable passwords that are easy to guess. However, sophisticated systems assigned passwords that are difficult to remember. In this paper, the focus will be on the Drag - Pattern-Graphical-Password (DPGP). DPGP password is proposed...

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  • White Papers // Dec 2013

    Hidden Crimes: Freedom of Expression on the Internet

    Freedom of expression is a brave stand towards the prohibition of certain words, terms or expressions, particularly if mockery and offensive styles were avoided with various topics such as religion, politics, community issues, etc. At this particular time, the authors need to identify freedom of expression on the Internet in...

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  • White Papers // Nov 2013

    Cloud Computing: The Level of Awareness Amongst Small & Medium-sized Enterprises (SMEs) in Developing Economies

    Cloud computing services are being touted as a major enabler for small businesses lately. This new paradigm is seen to offer unique opportunities to Small and Medium Enterprises (SMEs) worldwide and developing economies are no exception. It presents SMEs access to similar technologies available to their larger counterparts and those...

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  • White Papers // Jun 2010

    Stronger Enforcement of Security Using AOP and Spring AOP

    An application security has two primary goals: first, it is intended to prevent unauthorized personnel from accessing information at higher classification than their authorization. Second, it is intended to prevent personnel from declassifying information. Using an object oriented approach to implementing application security results not only with the problem of...

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  • White Papers // Jan 2010

    Proposing a New Method for Query Processing Adaption in DataBase

    This paper proposes a multi agent system by compiling two technologies, query processing optimization and agents which contains features of personalized queries and adaption with changing of requirements. This system uses a new algorithm based on modeling of users' long-term requirements and also GA to gather users' query datas. Experimented...

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  • White Papers // Mar 2010

    A Security Based Data Mining Approach in Data Grid

    Grid computing is the next logical step to distributed computing. Main objective of grid computing is an innovative approach to share resources such as CPU usage; memory sharing and software sharing. Data Grids provide transparent access to semantically related data resources in a heterogeneous system. The system incorporates both data...

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  • White Papers // May 2010

    A Novel Method for Intrusion Detection System to Enhance Security in Ad Hoc Network

    The notion of an ad hoc network is a new paradigm that allows mobile hosts (nodes) to communicate without relying on a predefined infrastructure to keep the network connected. Most nodes are assumed to be mobile and communication is assumed to be wireless. The mobility of nodes in an ad-hoc...

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  • White Papers // Jan 2010

    Interestingness Measure for Mining Spatial Gene Expression Data Using Association Rule

    The search for interesting association rules is an important topic in knowledge discovery in spatial gene expression databases. The set of admissible rules for the selected support and confidence thresholds can easily be extracted by algorithms based on support and confidence, such as Apriori. However, they may produce a large...

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  • White Papers // Apr 2013

    WP - A Tree Based Response Time Algorithm for Event Driven Wireless Sensor Networks

    Irrespective of the deployment strategy or the coverage constraints, the usual energy conservation inevitability remains. Among the many approaches that have come up so as to save energy, reducing the number of transmissions and an effective routing strategy accomplish consideration. In addition to the number of transmissions, the response time...

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  • White Papers // Apr 2013

    E-Government Based on Cloud Computing

    The concept of cloud computing becomes important for each government, facilitating its way of work, increasing its productivity and all that leading to cost savings. Different country chooses different strategy for adoption of cloud computing with a possibility to become better and more effective e-government. In this paper, the scope...

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  • White Papers // Feb 2013

    A Hybrid Intrusion Detection System Using Hamming and MAXNET Neural Nets Using NDIS Dataset

    In this paper, the authors present a model to improve the security of network system. Intrusion Detection System (IDS) detects suspected patterns of network traffic through analysis of those traffic packets. The major problems of existing models are recognition of new attacks, low accuracy, and detection time and system adaptability....

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  • White Papers // Feb 2013

    A Dual-Band U-Slot PIFA Antenna With Ground Slit for RFID Applications

    In this paper, a Planar Inverted-F Antenna (PIFA) with U-Slot (U-PIFA) and slit in ground is introduced. The proposed PIFA is compact with single coaxial feed, single short strip, and single short pin. The main achievement of this research was the design of ISM Microwave bands 2.45/5.8 GHz dual band...

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  • White Papers // Feb 2013

    Teletraffic Analyses of Blocked Calls and Handoff Failures of LEO Mobile Satellite Systems

    Satellite communications have had a significant impact on wireless communication services owing to its versatility in comparison to its terrestrial cousins. In today's wireless mobile world, Mobile Satellite Services (MSS) are indispensable and are used side by side with the very popular cellular services the authors have all become so...

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  • White Papers // Feb 2013

    A New Scheme for Sealed Digital Signatures

    Now-a-days, people are looking for the easiest way to do things. The digital world has made that even more possible. One aspect is the way when the people sign documents and papers, how to present them self officially. When this aspect has been started to be a critical thing in...

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  • White Papers // Feb 2013

    Real Time Radio Frequency Identification Vehicles Data Logger Traffic Management System

    This paper presents a traffic management system that combines RFID and GSM technologies which they are considered to be two of the currently fastest growing technologies, RFID technology which provide a reliable data reading without the need for line-of-sight that other data detecting technologies depend on. While GSM is an...

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  • White Papers // Jan 2013

    Neural Network Synchronization Protocol

    This paper deals with the design of secure communication protocol based on neural network synchronization. Protocol is built on the application-layer of the OSI upon TCP/IP. Server and each connected client must create special type of neural network called Tree Parity Machine then compute outputs of their neural networks and...

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  • White Papers // Jan 2013

    Research on the Traffic Behavior Characteristics of P2P Streaming Media

    With the development and popularization of Internet, P2P streaming media traffic has become the most important part of the variety kinds of network traffic. Therefore, the study of P2P streaming media traffic characteristics has important significance for the analysis and identification network traffic. In this paper, on the basis of...

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  • White Papers // Jan 2013

    Survey of Cloud Computing Issues at Implementation Level

    Cloud computing is a new way of integrating a set of old technologies to implement a new paradigm that creates an avenue for users to have access to shared and configurable resources through internet on-demand. Cloud users are expected to increase exponentially in the future. In order to prepare for...

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  • White Papers // Mar 2012

    Web Application Security of Money Transfer Systems

    Information security science started to play a vital role in their life and became an important issue used for judging on any system about either its success or failure. E-banking applications for transferring money are considered as one of the most important applications that banks nowadays are taking care about;...

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  • White Papers // Mar 2012

    New Bandwidth Guaranteed QoS Routing Algorithm for MPLS Networks

    Internet has become an integrated carrier gradually, which has multi business such as data, voice, video, multimedia and so on. New multimedia applications require the network to guarantee quality of service. MPLS network has the capability of routing with some specific constraints for supporting desired QoS, out of which bandwidth...

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  • White Papers // Mar 2012

    Security Framework for Cloud Computing Environment: A Review

    Cloud computing has become an important platform for companies to build their infrastructures upon. If companies are thinking to take advantage of cloud based systems, they will have to seriously reassess their current security strategies as well as the cloud-specific aspects to be a successful solution provider. The focus of...

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  • White Papers // Mar 2012

    Gait Based Personal Identification System Using Rotation Sensor

    Every individual has a unique walking pattern which may be used as a signature for identification. This paper describes the construction of a feasible human identification device using human gaits (Walking pattern). The authors have built a very low cost wearable suit mounted with eight rotation sensors, controller, software and...

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  • White Papers // Mar 2012

    Network Deployment and Routing Based on the Energy-Saving and Long-Lasting Life of Knots

    The minimization of energy as well as the elongation of the network life time cycle represent an important challenge for the conception of the wireless sensors networks routing protocols that are characterized by a dense deployment of knots because these later are characterized by limited capacity of batteries. Besides, to...

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  • White Papers // Feb 2012

    Effect of System Impairments on the Performance of QPSK Label-Based Photonic Router

    Photonic routing has been attracting much interest to overcome the bottleneck of routing function in the broadband networks. This paper investigates theoretically the performance of an integrated-optic circuit for recognition of optical Quadrature Phase Shift Keying (QPSK) coded labels in photonic router. The analysis takes into account the effect of...

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  • White Papers // Mar 2012

    Fuzzy Logic Based Channel Estimation and Performance Analysis of WiMAX Systems

    Worldwide Interoperability for Microwave Access (WiMAX) provides wireless broadband to fixed and mobile terminals. In this paper, firstly performance evaluation of WiMAX system without channel estimation is carried out. Then a fuzzy logic based channel estimation technique is proposed. Channel estimation is used because amplitude and phase shift causes error...

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  • White Papers // Mar 2012

    Impact of Technological Devices on Information and Communication Technology Acceptance for Construction Site Management in Nigeria

    The success of Information and Communication Technology (ICT) adoption depends on the impact of the technological devices. Many construction companies have been using ICT devices without assessing whether it makes any effect to its activities or not. The main aim of this paper is to assess the effect of technological...

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  • White Papers // Mar 2012

    Performance Evaluation of an OFDM System Under Rayleigh Fading Environment

    The performance of an OFDM system is affected by parameters such as carrier frequency offset and phase noise. In the presence of such parameters the performance of OFDM system degrades. Under Rayleigh fading environment the performance fluctuates depending on the signal strength. In this paper, the performance of an OFDM...

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  • White Papers // Feb 2012

    A Proposal Setting Solution for Subscriber Profile of Mobile Internet Applications in Home Location Register (HLR)

    This paper gives an overview for the mobile internet technology and proposal setting solutions for Subscriber profile in Home Location Register (HLR) based on Global System for Mobile communications (GSM) to harmonize with different applications. The objectives of this paper are two fields: the first field is to present the...

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  • White Papers // Feb 2012

    A Distributed Shared Memory Cluster Architecture With Dynamic Load Balancing

    This paper proposes distributed shared memory cluster architecture with load balancing. The architecture is based on dynamic task scheduling approach for distribution and assignment. It enhances the performance of communication across clusters for data access. The proposed dynamic load balancing model uses the concept of work stealing, which intelligently balances...

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  • White Papers // Feb 2012

    AODV Extension Using Ant Colony Optimization for Scalable Routing in VANETs

    On demand set up, fault tolerance and unconstrained connectivity are the major advantages of mobile computing, that's why it continues to enjoy rapid growth. In last three decades, tremendous improvement is made in the area of wireless ad-hoc network. Now a days, one of the most attractive research topic is...

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  • White Papers // May 2012

    Software Models, Extensions and Independent Models in Cocomo Suite: A Review

    Different models over the years have been proposed to support the software cost estimation processes. Cocomo (Constructive Cost Model) is one of the successful models which enabled software engineers to reliably reason about the effort and schedule estimates. Since past few years different derivative models and extensions of Cocomo have...

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  • White Papers // May 2012

    Performance Analysis of Parallelizing Program Code for Multi-Core Architectures Using OPENMP

    Multi-core architectures have become more popular due to better performance, reduced heat dissipation, power consumption and more efficient simultaneous processing of multi tasks. If one wishes to run a single application faster, then that application must be divided into sub programs, or threads, that cooperate to deliver the desired functionality....

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  • White Papers // May 2012

    Role of Information and Communication Technologies in the Smart Grid

    In the smart grid operation and management, reliable and real-time information and communication networks play a very critical role. By integrating the appropriate Information and Communication Technologies (ICT) infrastructure, automated control, sensing and metering technologies, and energy management techniques, the smart grid has emerged as a solution that empowers utilities...

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  • White Papers // May 2012

    The Role of Requirement Engineering in Software Development Life Cycle

    The Requirement Engineering (RE) is the most important phase of the Software Development Life Cycle (SDLC). This phase is used to translate the imprecise, incomplete needs and wishes of the potential users of software into complete, precise and formal specifications. The specifications act as the contract between the software users...

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  • White Papers // May 2012

    Comparative Study of Gaussian and Nearest Mean Classifiers for Filtering Spam e-Mails

    The development of data-mining applications such as classification and clustering has shown the need for machine learning algorithms to be applied to large scale data. The paper gives an overview of some of the most popular machine learning methods (Gaussian and Nearest Mean) and of their applicability to the problem...

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  • White Papers // May 2012

    Analyses of Student Programming Errors in Java Programming Courses

    Computing students' difficulties in understanding Java programming provided a practical context for a critical investigation of why this continues to exist. An exploratory study was conducted by Computing department staff at the National University of Samoa to investigate what were the most common errors students made in Java programming classes....

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  • White Papers // Apr 2012

    Effective Pair Programming Practice-An Experimental Study

    Pair programming is a practice, where two programmers work on a single task. Long research has been carried out in industries, and efficient results were achieved. Research is also being done in implementing the pair programming techniques in academics and good results are seen. In this paper, the authors suggested...

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  • White Papers // Apr 2012

    Performance Analysis of Two-Layer Spreading Scheme Based FEC Encoded MC - CDMA Wireless Communication System Under Implementation of Various Signal Detection Schemes

    In this paper, a comprehensive study has been made on the performance evaluation of a two-layer spreading scheme based MC-CDMA wireless communication system. The 1/2-rated convolutionally encoded system under present study incorporates three linear signal detection techniques (Equalizers) such as Minimum Mean Square Error (MMSE), Zero Forcing (ZF) and Sphere...

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  • White Papers // Apr 2012

    Performance Enhancement of WiMAX System Using Adaptive Equalizer

    Mobile WiMAX is a wireless networking system which provides wireless broadband to fixed and mobile terminals. In this paper, firstly performance evaluation of WiMAX system with channel estimation is discussed. Performance evaluation with channel estimation is used because amplitude and phase shift causes error in wireless channel. Finally, Performance evaluation...

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  • White Papers // Apr 2012

    Wireless Sensor Networks: A Solution for Smart Transportation

    Wireless sensor networks recently have come into importance due to the fact that they have the prospective to revolutionize many segments of the people financial system and life - from automation in shipping, environmental monitoring, transportation and healthcare industries. Transportation information collection and communication plays a key role in Intelligent...

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  • White Papers // Apr 2012

    A Comparative Analysis and Application of the Compression Properties of Two 7-Bit Subsets of Unicode

    Data compression is important in the computing process because it helps to reduce the space occupied by a file, which normally leads to the reduction in the time taken to access the file. Files which may be compressed include text, images, video/speech and sound. Data compression algorithms have been developed...

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  • White Papers // Apr 2012

    Modeling of Orthogonal Frequency Division Multiplexing (OFDM) for Transmission in Broadband Wireless Communications

    Orthogonal Frequency Division Multiplexing (OFDM) is a multi carrier modulation technique that provides high bandwidth efficiency because the carriers are orthogonal to each other and multiple carriers share the data among themselves. The main advantage of this transmission technique is its robustness to channel fading in wireless communication environment. This...

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  • White Papers // Apr 2012

    Exploring Factors That Influence Knowledge Sharing Behavior Via Computer

    Technology and globalization make available new chances for network members to share their possessed experience and knowledge across national boundaries. Owing increasing global competition, organizations require suitable technologies to make easier and expedite communication among group members and exploit of shared knowledge in this way. Inasmuch communication among distributed members...

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