IOSR Journal of Engineering

Displaying 41-80 of 498 results

  • White Papers // Apr 2013

    Power Optimization in MIMO-CN with MANET

    Cooperative communication has derived an interest for wireless network. Most existing papers on cooperative communications are focused on link-level physical layer issues such as topology control, routing and network capacity are largely ignored Although there have been extensive studies on applying cooperative networking in multi-hop ad hoc networks, most works...

    Provided By IOSR Journal of Engineering

  • White Papers // Apr 2013

    Data Security Model Enhancement In Cloud Environment

    Cloud computing is one of the most emerging technologies which plays an important role in the next generation architecture of IT Enterprise. It has been widely accepted due to its ability to reduce costs associated with computing while increasing flexibility and scalability for computer processes. During the past few years,...

    Provided By IOSR Journal of Engineering

  • White Papers // Apr 2013

    Face Recognition Using Mobile Phones and Cloud

    Now-a-day's lifestyle has been changed and any one can easily receive information about everyone in the world. It is very useful for person identification it can be obtained from the mobile device and also connected to social networking. The authors proposed a face recognition system on mobile devices by combining...

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  • White Papers // Apr 2013

    Resource Allocation for Antivirus Cloud Appliances

    Malware detection or antivirus software has been recently provided as a service in the cloud. A cloud antivirus provider hosts a number of virtual machines each running the same or different antivirus engines on potentially different sets of workloads (files). From the provider's perspective, the problem of optimally allocating physical...

    Provided By IOSR Journal of Engineering

  • White Papers // Apr 2013

    Mobile Phone Based Attendance System

    In this paper, the authors are emphasizing on developing this project that will help the lecturers to take attendance easily, securely and is less error prone. For this, they are implementing software "Mobile Phone Based Attendance System (MPBAS)" based on Android Technology. They are inspired to work on MPBAS from...

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  • White Papers // Apr 2013

    Cross-Layer Based Performance Optimization for Different Mobility and Traffic Scenarios in Adhoc Networks

    The self configuring dexterous autonomy of MANET imposes some network challenges constrained to traditional dynamic routing behavior. So as working with different mobility and traffic patterns with normal management schemes may lead some minor pitfalls to some important network performance parameters and hence can degrade the whole network performance. Here,...

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  • White Papers // Apr 2013

    Optimization of FCFS Based Resource Provisioning Algorithm for Cloud Computing

    In this paper, the authors propose an optimized version of the FCFS scheduling algorithm to address the major challenges of task scheduling in cloud. The incoming tasks are grouped on the basis of task requirement like minimum execution time or minimum cost and prioritized (FCFS manner). Resource selection is done...

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  • White Papers // Apr 2013

    Peer To Peer Content Sharing On Wi-Fi Network For Smart Phones

    Peer-to-Peer (P2P) communications and its applications have become conventional architecture in the wired network environment. However, they have not been effectively adapted to the ensemble mobile environment which composed of various devices such as smart mobiles devices, laptops, and device with embedded software. In P2P systems, each node can act...

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  • White Papers // Apr 2013

    Review on Google Android a Mobile Platform

    Technology has been touching user's lives in almost every domain. With the advent of modern technologies, the need of enhancing its security also arises. Data security has become one of the most important issues of concern. Data security is achieved with the help of adapting certain security measures. Here, in...

    Provided By IOSR Journal of Engineering

  • White Papers // Apr 2013

    Quality of Service Optimization in Realm of Green Monitoring Using Broad Area Sensor Network (BASN)

    A Wireless Sensor Network (WSN) contains short range energy limited terminals/nodes in which multiple nodes participates one by one to transfer data from source node to Base station. Each node appends some amount of delay which degrades the network performance as the jittered behavior of network may not be allowed...

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  • White Papers // Apr 2013

    Mobile Adhoc Network (MANET) Routing Protocols Analytical Study

    Man being social by nature cannot live in isolation. He feels being in company with other co-humans. So sometimes he wants to connect with himself and most of the other times he wishes to be connected with others at other places through one means or the other. Man's persistent desire...

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  • White Papers // Apr 2013

    Security and Privacy Issues of Cloud Computing; Solutions and Secure Framework

    The National Institute of Standards and Technology (NIST) defined cloud computing as a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or cloud provider interaction. Cloud computing has the potential to change...

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  • White Papers // Apr 2013

    Effectual Routine for Trilateral Authentication in Ad-Hoc Networks Using Multicast Conventions

    Ad-hoc networks have mass of applications; though, a dynamic problem regarding their security aspects must be answered in order to realize these applications. Validating the source and ensuring the integrity of the message traffic become an essential constraint for the operation and management of the network. The authors focus on...

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  • White Papers // Apr 2013

    Privacy and Security in Online Examination Systems

    A new method for key generation using Data Encryption Standard (DES) is proposed in order to make it more secure for Online Examination System (OES). Privacy and security are crucial in an OES. Privacy represents the ability to maintain a personal space such that there is certain user control on...

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  • White Papers // Apr 2013

    Failure Factors of ERP Projects in an Iranian Context

    Implementing an information technology project is a very challenging task that needs several preparations such as assigning a professional project manager, receiving top management support, employee engagement, etc. Same studies have been conducted about the success and failure factors of the Enterprise Resource Planning (ERP) projects and several researchers concluded...

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  • White Papers // Apr 2013

    Removal of High Density Impulse Noise Using Cloud Model Filter

    The fact that makes image denoising a difficult task is uncertainties in the impulse noise. The most knowledge in dayflies is uncertainty and erratic, unfortunately it is similar to impulse noise. The mathematic implements for handling uncertainty mostly are probability theory and fuzzy mathematics. That means, among the uncertainties involved...

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  • White Papers // Mar 2013

    Nonlinear Companding Transform Algorithm for Peak -to-Average Power Ratio Reduction of OFDM Signal

    Orthogonal Frequency Division Multiplexing (OFDM) is digital multicarrier Modulation access system for high data rate transfer .But it has high PEAK To Average Power Ratio which increases complexity of A/D Converter and D/A Converters and lowers the efficiency of power amplifiers. In this paper Repeated Clipping and Filtering (RCF) distortion...

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  • White Papers // Mar 2013

    FPGA Implementation of MB-OFDM Using Biorthogonal Encoder

    UWB is a high data rate, short range technology .It transmits the information over a minimum bandwidth of 500 MHZ. Modern UWB systems use Modulation techniques such as OFDM (Orthogonal Frequency Division Multiplexing). The MB-OFDM proposal is selected for UWB system model. MultiBand OFDM (MB-OFDM) is a short-range wireless technology...

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  • White Papers // Mar 2013

    New Fault Injection Approach for Network on Chip

    Packet-based on-chip interconnection networks, or Network-on-Chips (NoCs) are progressively replacing global on-chip interconnections in Multi-processor System-on-Chips (MP-SoCs) thanks to better performances and lower power consumption. However, modern generations of MP-SoCs have an increasing sensitivity to faults due to the progressive shrinking technology. Consequently, in order to evaluate the fault sensitivity...

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  • White Papers // Mar 2013

    Study and Analysis of Fractal Linear Antenna Arrays

    A fractal is a recursively generated object having a fractional dimension. They have no characteristic size, and are constructed of many copies of themselves at different scales. In this paper, the authors primarily focus on design of fractal linear array antenna for even number of elements and comparison of fractal...

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  • White Papers // Mar 2013

    Parametric Study for Rectangular Microstrip Patch Antennas

    Physically, MSA consists of a metallic radiating patch backed up by a dielectric substrate and a ground plane below that. These days, MSAs are widely used in many applications due to their inherent advantages such as low profile, lightweight, planer configuration and ease of fabrication. However, main limitation of MSAs...

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  • White Papers // Feb 2013

    Fingerprint Verification Using Gabor Filter Bank

    Biometrics deals with identification of individuals based on their biological or behavioral characteristics. The use of fingerprints, for identification has been employed in law enforcement for about a century. An application of fingerprint is for personal authentication, for instance to access a computer, A bank-machine, cars or home. There are...

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  • White Papers // Feb 2013

    Pen Drive to Pen Drive and Mobile Data Transfer Using ARM

    Generally, the authors used to transfer data between two pen drives by using laptops or desktops. But it is not always possible to carry such a large size device to the particular location. So to overcome this problem, they are designing a hardware which is more compact to carry anywhere....

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  • White Papers // Feb 2013

    Sigfree: Buffer Overflow Attack Detection

    Sigfree act as a Defender or protective shield for the today's Information world from insider or outsider attacker. Any activity aimed at disrupting a service or making a resource unavailable or gaining unauthorized access can be termed as an intrusion. Buffer Overflow attack is an attack which gives rise to...

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  • White Papers // Feb 2013

    Iris Recognition: An Emerging Biometric Technology

    Iris recognition is a well-known biometric technique. The iris recognition is a kind of the biometrics technologies based on the physiological characteristics of human body, compared with the feature recognition based on the fingerprint, palm-print, face and sound etc, the iris has some advantages such as uniqueness, stability, high recognition...

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  • White Papers // Feb 2013

    A Distributed Database Architecture for Global Roaming in Next-Generation Mobile Networks

    Next-generation wireless systems are envisioned to have an IP-based infrastructure with the support of heterogeneous access technologies. One of the research challenges for next generation all-IP-based wireless systems is the design of intelligent mobility management techniques that take advantage of IP-based technologies to achieve global roaming among various access technologies....

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  • White Papers // Feb 2013

    Biometric Speech Watermarking Technique in Images Using Wavelet Transform

    The enormous development in digital technologies has necessitated the owners to pay great attention in protecting their digital contents. Watermarking is used for content authentication and ownership protection. Biometric traits provide unique means for individual identification. Biometric watermarking refers to the incorporation of biometric in watermarking technology. By embedding biometrics...

    Provided By IOSR Journal of Engineering

  • White Papers // Feb 2013

    Cope With Black Hole Attacks in AODV Protocol in Manet by End to End Route Discovery

    Wireless MANET is particularly vulnerable due to its fundamental characteristics such as open medium, dynamic topology, distributed cooperation and capability. The black hole attack which is one of the major possible attacks in AODV routing protocol, in which intermediate node absorbs all the packets instead of sending those to desired...

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  • White Papers // Feb 2013

    Ethernet Controller as Solution for Embedded Applications, New Developments and Innovations

    Ethernet is the networking technology used in many offices and homes to enable computers to communicate and share resources. Recent innovations in the Ethernet networking technology are enhancing both the scalability and capability of Ethernet as a carrier-grade and transport technology. This paper explains four main innovations recently added to...

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  • White Papers // Feb 2013

    Sensing Methods for Intrusion Detection in Homogeneous and Heterogeneous Wireless Sensor Networks

    Intrusion detection in Wireless Sensor Network (WSN) is of practical interest in many applications such as detecting an intruder in a battlefield. The intrusion detection is defined as a mechanism for a WSN to detect the existence of inappropriate, incorrect, or anomalous moving attackers. In this paper, the authors consider...

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  • White Papers // Feb 2013

    VLSI Based Implementation of Single Round AES Algorithm

    This paper presents VLSI based implementation of single round AES algorithm for encryption purpose and it is one of the most popular algorithm used in symmetric key cryptography The Advanced Encryption Standard (AES) specifies a FIPS-approved cryptographic algorithm that can be used to protect electronic data. The AES algorithm is...

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  • White Papers // Feb 2013

    Design of Enhanced LEACH Routing Protocol for Wireless Sensor Network

    A wireless network consists of a large number of small sensors. The sensor is low-power transceivers & can be an effective tool for gathering data in a variety of environments. The communication between the sensor nodes must be designed to conserve the limited energy resources within the sensor. LEACH clustering...

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  • White Papers // Feb 2013

    Finger Print Image Enhancement and Point Pattern Based Verification

    Fingerprints are the oldest and most widely used form of biometric identification. Despite the widespread use of fingerprints, there is little statistical theory on the uniqueness of fingerprint minutiae. A critical step in studying the statistics of fingerprint minutiae is to reliably extract minutiae from the fingerprint images. However, fingerprint...

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  • White Papers // Feb 2013

    Hardware Implementation and Analysis of BPSK System on Xilinx System Generator

    With the recent advent of hardware description languages (e.g., Verilog or VHDL) and digital implementation for Field-Programmable Gate Arrays (FPGAs), substantial academic digital design projects become practicable. In the present paper, the design of a digital Binary-Phase-Shift-Keying (BPSK) modulator and detector is described. The project details the design of the...

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  • White Papers // Feb 2013

    Image Processing Based Adaptive Traffic Control System

    Through this paper, the authors intend to present an improvement in existing traffic control system at intersection. System is made more efficient with addition of intelligence in term of artificial vision, using image processing techniques to estimate actual road traffic and compute time each time for every road before enabling...

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  • White Papers // Feb 2013

    Performance Analysis of PM: Direction of Arrival Estimation Algorithm for Smart Antenna System

    This paper presents analysis of simulation results for Direction of arrival estimation for smart antenna system using non Eigen value decomposition based algorithm. Direction Of Arrival (DOA) estimation in smart antenna for identifying the directions of the desired signals and the null steering beamformer to adapts the antenna pattern to...

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  • White Papers // Feb 2013

    Study of Arm Based Temperature Measurement and Control System Using CPLD

    In this paper a temperature measurement and control system is proposed using ARM processor S3C2440 as a controlling device. This system uses LM35D sensor and its related peripherals for temperature measurement. This temperature is filtered and transmitted to the ADC MCP3201. ARM and CPLD are used for processing and controlling...

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  • White Papers // Feb 2013

    Viterbi Algorithm for Error Detection and Correction

    In the present world, communication has got many applications such as telephonic conversations in which the messages are encoded into the communication channel and then decoding it at the receiver end. During the transfer of message, the data might get corrupted due to lots of disturbances in the communication channel....

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  • White Papers // Feb 2013

    Zigbee Based Sensor Networks for Temperature Monitoring and Controlling

    In Now-a-days, the people have many different types of emergencies in the indoor environment. Response to such emergencies is critical in order to protect resources including human life and to save property from damage. There is need to develop wireless sensor network for temperature controlling. In this paper, the authors...

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  • White Papers // Feb 2013

    Design & Simulation of Circular Microstrip Antenna With Defected Ground Structure (DGS) for WLAN Applications

    In this paper, a circular microstrip patch antenna with Defected Ground Structure (DGS) has been analyzed and simulated for the WLAN applications. The proposed antennas have been simulated at 2.45 GHz frequency using co-axial feeding technique. Actually, the authors design two circular microstrip antennas i.e. conventional CMSA and CMSA with...

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  • White Papers // Jun 2012

    Optimal Route Search in Mobile Ad-Hoc Network Using Ant Colony Optimization With Power Saving Technique

    In ad-hoc networks the mobile nodes communicate with each other using multi-hop wireless links. The main drawback of such network is that there are no stationary infrastructures to route the packets. Hence, routing protocols have to adapt quickly and elegantly to frequent and unpredictable changes in network technology and they...

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  • White Papers // Jun 2012

    Web Based Solution for Thermal Printing of Bar Code

    A barcode is an optical machine-readable representation of data, which shows the relevant data about the material to which it is attached or fixed. With the help of bar code, the information can be assessed automatically, quickly and accurately. It is the fastest means of gathering data and can be...

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  • White Papers // Jun 2012

    Intrusion Detection Technique Based on Dendritic Cell Algorithm and Dempster Belief Theory

    Today traditional intrusion detection systems are unable to detect intrusion attacks. Huge number of false alarm generated by the system results in financial loss of an organization. The unique features of artificial immune system encourage and motivate the researchers to employ this technique in variety of applications and especially in...

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  • White Papers // Jul 2012

    A Statistical Approach to Perform Web Based Summarization

    Over the past decade more and more users of the Internet rely on the search engines to help them find the information they need. However the information they find depends to a large extent, on the ranking mechanism of the search engines they use. Not surprisingly it in general consists...

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  • White Papers // Aug 2012

    Finger Print Analysis and Matching Using Fuzzy Logic Design

    Fingerprint authentication is implemented using many algorithms, which are based either on minutiae analysis or non minutiae analysis. Preprocessing of the fingerprints is important for better accuracy. Preprocessing includes segmentation and noise removal, which are considered two major steps in preprocessing. In this paper segmentation is performed by using fuzzy...

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  • White Papers // Aug 2012

    Authentication of Document Image With Data Repairing

    In this paper, the authors are introducing a blind authentication method which is based on the secret sharing technique with a data repair capability for document images with the use of the PNG image. They generate an authentication signal for each block of a document image which, together with the...

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  • White Papers // Aug 2012

    Data Leakage Detection: A Survey

    This paper contains concept of data leakage, its causes of leakage and different techniques to protect and detect the data leakage. The value of the data is incredible, so it should not be leaked or altered. In the field of IT. huge database is being used. This database is shared...

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  • White Papers // Aug 2012

    Securing Cloud Data Storage

    Innovations are necessary to ride the inevitable tide of change. Most of enterprises are striving to reduce their computing cost through the means of virtualization. This demand of reducing the computing cost has led to the innovation of Cloud Computing. One fundamental aspect of this new computing is that data...

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  • White Papers // Aug 2012

    Swot Analysis of Software Quality Metrics for Global Software Development: A Systematic Literature Review Protocol

    Global Software Development (GSD) is a modern software engineering paradigm adopted by many client organisations in developed countries to get high quality product at low cost in low wage countries. Production of high quality software is considered as one of the key factor in the rapid growth of GSD. However...

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  • White Papers // Aug 2012

    Systematic Literature Review Protocol for Software Outsourcing Partnership (SOP)

    Software Outsourcing Partnership (SOP) is a relationship between client and vendor organizations for shared goals. A SOP is different than ordinary outsourcing contractual relationship. Usually a successful outsourcing relationship may lead to outsourcing partnership. The paper is to identify factors via Systematic Literature Review (SLR), that are significant to be...

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  • White Papers // Oct 2012

    A Secure Model for Cloud Computing Based Storage and Retrieval

    Enterprises protect their internal storage and retrieval process using firewalls and also protect it from insider attacks by formulating secure data access procedures. If the enterprises are willing to store data in cloud, cloud computing service providers have to take care of data privacy and security. A common way to...

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  • White Papers // Oct 2012

    Hybrid Algorithm for Clustering Mixed Data Sets

    Clustering is one of the data mining techniques used to group similar objects into different meaningful classes known as clusters. Objects in each cluster have maximum similarity while the objects across the clusters have minimum or no similarity. This kind of partitioning of objects into various groups has many real...

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  • White Papers // Oct 2012

    Application of VLSI in Artificial Intelligence

    This paper describes the application of VLSI (Very Large Scale Integrated) circuit in Artificial Intelligence (AI). VLSI is the inter-disciplinary science of utilizing advance semiconductor technology to create various functions of computer system. This manuscript addresses the close link of microelectronics and AI. By combining VLSI technology, a very powerful...

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  • White Papers // Oct 2012

    Architecture and Evaluation on Cooperative Caching in Wireless P2P

    All researches shown that cooperative cache can improve the system performance in wireless P2P networks such as ad hoc networks and mesh networks. And all these studies have been done up to some level only. So for that purpose now the author using an protocol technique called Dynamic Source routing...

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  • White Papers // Oct 2012

    Virtual Class Room Using Six Sense Technology

    Sixth Sense is a revolutionary technology that can be used to access digital information in the world with wearable gestures. This paper focuses on various applications of six sense technology in educational purpose and how a virtual classroom, can be conducted anywhere, anytime with the help of six sense technology....

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  • White Papers // Oct 2012

    Vehicle Obstacles Avoidance Using Vehicle-To Infrastructure Communication

    VANET is a technology where vehicles are considered as mobile nodes to create a mobile network. In the existing model, vehicle obstructs the communication between other vehicles will not be considered as an obstacle. Due to existing model the impact on the LOS (Line Of Sight) obstruction, received signal power,...

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  • White Papers // Oct 2012

    A Design of Framework for AGRI-CLOUD

    Information technology is used in various fields like education, business, medicine, Weather forecasting systems, communications etc., but not used vastly in agriculture sector which is main livelihood for majority of people in rural areas and which also drives economy in developing countries like India, China, Brazil etc., and also over...

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  • White Papers // Oct 2012

    Mobile Agents: An Intelligent Multi-Agent System for Mobile Phones

    The mobile applications are one of the most important utilities of modern communication world. Currently this technology is getting compact to provide compatibility and accessibility to the users with a better option of handling. This research is based on the mobile and m-commerce technology, a fastest growing technology of today....

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  • White Papers // Oct 2012

    Performance Analysis of VoIP by Communicating Two Systems

    VoIP is a technology that digitizes voice packets and enables telephony communication by using internet as a backbone. In this paper, the authors introduce and explore the problems that occur in the people day to day life in sending voice and data with different windows. The paper evolves in the...

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  • White Papers // Oct 2012

    Cloud Computing Platform for Virtual University Providing E-Learning

    According to the present scenario, cost of the electronics is decreasing day-by-day and the cost of services provided by it is also decreasing. So, no one wants to pay a high cost for any service. For that purpose, the authors tried to corporate their educational services of any e-learning website...

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  • White Papers // Oct 2012

    Cryptography on Android Message Application Using Look Up Table and Dynamic Key (cama)

    Most popular shortest and cheapest textual form of communication is Short Message Service (SMS).To ensure the security of the texts which is sent, many algorithm are available. In this paper, the authors propose an efficient algorithm for cryptography which is based on static Look Up table and Dynamic Key. Symmetric...

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  • White Papers // Oct 2012

    An Approach of Automatic Data Mining Algorithm for Intrusion Detection and Prevention System

    The network security system plays a major role in the communication world, here every one's need security and assurance for their communication. Normally the hacking, Intrusion software's are using threats, malicious to enter in to the network and they are keep recording or monitoring the communication for this action the...

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  • White Papers // Oct 2012

    Artificial Intelligence Algorithms

    Artificial Intelligence (AI) is the study of how to make computers do things which, at the moment, people do better. Thus, strong AI claims that in near future the authors will be surrounded by such kinds of machine which can completely works like human being and machine could have human...

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  • White Papers // Oct 2012

    Wireless Micro-Sensor Network Models

    Wireless sensor network is important in sensing, Collecting and disseminating information about environmental Phenomenon. This paper contain emerging field to classify wireless micro sensor network according to different communication functions, data delivery models and network dynamics. This taxonomy will aid in defining appropriate communication infra structure for diff. sensor network...

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  • White Papers // Oct 2012

    Mobile Networking and Ad Hoc Routing Protocols Validation

    In this paper, the authors describe mobile network and efficient routing protocol for wireless ad hoc networks. They report on its implementation, on performance comparisons and on a formal validation result. Moreover, they discuss cellular system design, global system for mobile communication, formal protocol verification and operating over infrared or...

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  • White Papers // Oct 2012

    Heuristic Route Discovery for Shared Firewall Network

    In a connection-oriented system, shared firewall protection provides the identical stage of protection against on its own firewall failures as dedicated firewall protection, with potentially superior network exploitation. This paper lists the constraints of firewall placement strategies and proposes a heuristic routing algorithm for communal security provisioning. Simulations be conducted...

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  • White Papers // Oct 2012

    Performance Analysis of Data Mining Algorithms in Weka

    The retail industry collects vast amounts of data on sales, customer buying history, goods, and service with ease of use of modern computing technology. This paper elaborates the use of data mining technique to help retailers to identify customer profile for a retail store and behaviors, improve better customer satisfaction...

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  • White Papers // Oct 2012

    Multicast Routing Protocol With Group-Level Congestion Prediction and Permanence Under Constrained Energy Utilization for Mobile Ad Hoc Networks

    A MAC layer stage overloading detection system has been foreseeable. The planned model aims to share out associate degree energy competent mechanism to calculate the degree of congestion at victim node with maximal accuracy. This block detection tool is incorporated with a sequence cross-layered obstruction management routing topology. The projected...

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  • White Papers // Oct 2012

    Security in MANET Based on PKI Using Fuzzy Function

    In mobile adhoc network the design of security model is a very critical and essential topic, this is due to the rapidly changing nature of this type of networks. Many other factors should be in consideration while handling mobile adhoc networks like the lake of infrastructure, bandwidth, etc. a security...

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  • White Papers // Oct 2012

    Interference and Noise Detection in a Cognitive Radio Environment

    Now-a-days cellular and handheld devices hold up most of the data exchange services that is one currently and they widely use high speed data links causing increased usage of available spectrum. However these devices are not always in use so the links stays void sometime and using those void links...

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  • White Papers // Oct 2012

    Design of High Speed Reconfigurable Coprocessor for Multiplier/Adder and Subtractions Operations

    As the quantity of data transmission and reception increases, there is a gradual increase in bandwidth on demand and quality of service. This further increases data traffic which leads to loss of information, reduced accuracy and reliability. To overcome this drawback, the authors proposed coprocessor can be used for communication...

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  • White Papers // Oct 2012

    A Security Framework for Wireless Sensor Networks: IBE-Trust

    The importance of key management protocol in ensuring secure communications in WSN is undeniable. This paper presents an IBE-Trust security framework utilizing the well-known identity based encryption scheme not to only establish secure communications but to ensure the trustworthiness of the communication between sensor nodes and base station. The framework...

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  • White Papers // Oct 2012

    Wireless Sensor Network: An Emerging Technology

    Wireless sensor network is a special kind of network that differs from the conventional communication networks in terms of architecture and deployment. Dynamic in nature, the wireless sensor networks have added a new dimension not only to the further exploration in a hard-to-reach environment, but also to the complexity of...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Effect of Electrostatic Discharge on Digital and Analog Circuits

    A comparative study of the effects of ElectroStatic Discharge (ESD) on digital and analog circuits is carried out. Direct and Indirect discharge is performed on the circuit having both analog and digital circuitry. First the Indirect discharge on the ground plane is done for different voltages and distances. Then the...

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  • White Papers // Aug 2012

    Broadband Cpw Fed Slotted Ground Antenna

    In this paper, a broadband rectangular microstrip patch antenna fed by coplanar waveguide feed with two slots in the ground plane is proposed. Investigations are carried out using coplanar waveguide feed with slotting in the ground plane to optimize the broadband operation. A sensitivity analysis shows the variation of return...

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  • White Papers // Aug 2012

    A Dielectric Resonator Antenna Array for Wideband Applications

    A resonant antenna was proposed by Professor S. A. Long in 1983. The Dielectric Resonator Antennas (DRAs) offer several advantages, such as small size, low dissipation loss. Since the DRA has negligible metallic loss, it is highly efficient when operated at millimeter wave frequencies. The shapes of DRAs are various-simple...

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  • White Papers // Aug 2012

    Dynamic Spectrum Sensing by Channel Information Table in Cognitive Radios

    The spectrum sensing problem has gained new aspects with cognitive radio and opportunistic spectrum access concepts. It is one of the most challenging issues in cognitive radio systems. In cognitive radio networks, the secondary (unlicensed) users need to find idle channels via spectrum sensing for their transmission. Adaptive Spectrum Sensing...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Design and Verification of Five Port Router for Network on Chip Using VERILOG

    The focus of this paper is the actual implementation of network router and verifies the functionality of the five port router for network on chip using the latest verification methodologies, hardware verification languages and EDA tools and qualifies the design for Synthesis and implementation. This router design contains Four output...

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  • White Papers // Aug 2012

    Channel Estimation Algorithm Using an Improved DFT for MIMO-OFDM Systems

    The Improved DFT-based Channel Estimation Algorithm for MIMO-OFDM System uses the symmetric property to extend the LS estimate in frequency domain, and calculates the changing rate of the leakage energy, and selects useful paths by the changing rate. The conversion from a very long (or infinite) sequence to a manageable...

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  • White Papers // Aug 2012

    Effect of Traffic Pattern on Packet Delivery Ratio in Reactive Routing Protocol of Manet

    An ad hoc network is a collection of mobile nodes that dynamically form a temporary network. Routing in a MANET is challenging because of the dynamic topology and the lack of an existing fixed infrastructure. In such a scenario a mobile host can act as both a host and a...

    Provided By IOSR Journal of Engineering