IOSR Journal of Engineering

Displaying 321-360 of 498 results

  • White Papers // Sep 2012

    High Quality Monitoring with Location Anonymization for WSN

    Due to technological advances in sensor technologies, Wireless Sensor Networks are widely used for location monitoring. In such systems monitoring personal locations is done through Internet server. As the server is untrusted, it may cause threats pertaining to privacy of individuals being monitored. This is the potential risk to be...

    Provided By IOSR Journal of Engineering

  • White Papers // Sep 2012

    Full Proof Secured Environment for Wireless Sensor Networks

    Due to the technological innovations of sensor technologies, Wireless Sensor Networks (WSNs) have become very popular with its applications being used in many domains. The applications include those pertaining to civilian and military especially for monitoring environments. Out of all the interesting applications which are based on WSN, there are...

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  • White Papers // Sep 2012

    Adaptive Location-Oriented Content Delivery in Delay-Sensitive Pervasive Applications

    In this paper, the authors introduce a delay-sensitive service that involves transmitting large amounts of location-based data to nodes at multiple locations. Given a limited amount of access points (aps) and an abundance of service requests that result from the nodes moving around, a typical content delivery service would inevitably...

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  • White Papers // Sep 2012

    BCOM: Best Constraints for Overlay Network Maintainance

    In an overlay network for routing or peer-to-peer file sharing, each node must select a fixed number of overlay neighbors for routing traffic. A selfish node entering such network would select adjacent nodes so as to reduce the weighted sum of expected access costs to all its destinations. Previous work...

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  • White Papers // Sep 2012

    Iobs-Adding Intelligence to Real-Life Objects

    Ubiquitous computing systems are useful in developing technology to realize a vision of computation everywhere, where computer technology seamlessly integrates into everyday life, supporting users in their daily tasks. By embedding sensors, computation and communication into common artifacts, future computing applications can adapt to human users rather than the other...

    Provided By IOSR Journal of Engineering

  • White Papers // Sep 2012

    Performance Evaluation of OFDM Transceiver for BPSK & QAM Modulation Techniques

    WiMAX is introduced by the Institute of Electrical and Electronic Engineers (IEEE) which is designated by 802.16 to provide worldwide interoperability for microwave access. There are fixed (802.16d) and mobile (802.16e) WiMAX. The telecommunication industries insisted on new technology with high transmission abilities standardized by IEEE 802.16 also referred as...

    Provided By IOSR Journal of Engineering

  • White Papers // Sep 2012

    Enhancing The Website Structure by Reconciling Website

    In this modern world www grows tremendously. It increases the complexity of web applications and web navigation. Existing website systems are not easier for user to extract information and having some shortcomings. To enhance these shortcomings the authors propose a new reconciling website system. Recommendations play an important role towards...

    Provided By IOSR Journal of Engineering

  • White Papers // Sep 2012

    Effects of Caching on The Performance of DSR Protocol

    Route cache strategy is important in an on demand routing protocol in wireless mobile ad hoc networks. In on demand routing protocol the route discovery mechanism is used to transmit packets from one mobile node to other. In order to avoid such route discovery mechanism each time when the packet...

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  • White Papers // Sep 2012

    CDMA Coding Techniques for Interconnect Between IP Cores

    NoC (Network on Chip) is an efficient approach to design the communication subsystem between IP Cores in SoC (System on Chip). In this paper, a CDMA (Code Division Multiple Access)bus is proposed as a communication interconnect for different IP cores. CDMA has been proposed as an alternative way for interconnect...

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  • White Papers // Sep 2012

    Clipping and Filtering Technique for Reducing PAPR in OFDM

    Recently, Orthogonal Frequency Division Multiplexing (OFDM), as a multi-carrier, and a single carrier transmission systems are used widely in the communications industrial systems. Each one of these two techniques has their own advantages and disadvantages. To maintain a high data rate, OFDM is preferred over the single-carrier transmission system due...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    A Survey on Offline Signature Recognition and Verification Schemes

    Signature has been a distinguishing biometric feature through ages. They are extensively used as a means of personal verification; therefore an automatic verification system is needed. Even today thousands of financial and business transactions are being authorized via signatures. Signature verification finds its application in a large number of fields...

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  • White Papers // Aug 2012

    To Study Channel Estimation Techniques in MIMO OFDM System

    A Multiple-Input Multiple Output (MIMO) communication system is used with Orthogonal Frequency Division Multiplexing (OFDM) modulation technique to achieve high and reliable data rate transmission over broadband wireless channels. The need of MIMO OFDM is important because of only MIMO improves the system capacity without additional bandwidth. The performance of...

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  • White Papers // Aug 2012

    Performance Evaluation of WLAN by Varying Pcf, Dcf and Enhanced Dcf Slots to Improve Quality of Service

    Researchers have proposed a number of co-ordination functions in literature for improving quality of service. Each one is based on different characteristics and properties. In this paper, the authors evaluate the performance of wireless network using PCF, DCF & EDCF. They perform simulations using OPNET IT GURU Academic Edition simulator....

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  • White Papers // Aug 2012

    Hybrid Web Mining Framework

    With the dramatically quick and explosive growth of information available over the Internet, World Wide Web has become a powerful platform to store, disseminate and retrieve information as well as mine useful knowledge. A user interacts with the Web; there is a wide diversity of user's content they prefer and...

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  • White Papers // Aug 2012

    Message Passing Algorithm: A Tutorial Review

    This paper reviews the basics of error correcting codes like linear block codes and LDPC. The error correcting codes which are also known as channel codes enable to recover the original message from the message that has been corrupted by the noisy channel. These block codes can be graphically represented...

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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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Feature Level Fusion Based Bimodal Biometric Using Transformation Domine Techniques

    Bimodal biometric used to authenticate a person is more accurate compared to single biometric trait. In this paper the authors propose Feature Level Fusion based Bimodal Biometric using Transformation domine techniques (FLFBBT). The algorithm uses two physiological traits viz., fingerprint and face to identify a person. The Region Of Interest...

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  • White Papers // Aug 2012

    SERA Noise Estimation for Speech Enhancement

    A practical single channel speech enhancement system consists of two major components, estimation of noise power spectrum and the estimation of speech. Therefore, a crucial component of any algorithm is the estimation of the noise power spectrum for highly non stationary noise environments. The performance of noise estimation algorithm is...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    A Bandwidth Assignment Technique (Optimizing Technique) for Reliable Microwave Backhaul

    The design of wireless networks differs fundamentally from wired network design. First, the radio frequency spectrum is a limited natural resource which has been regulated worldwide to promote its efficient use. Second, the radio channel is a random and difficult communication medium. Actually, environment conditions can introduce instantaneously variations into...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Optimization of Energy Consumption by Fuzzy Based Routing in Wireless Sensor Network

    Maintaining the energy of sensors in Wireless Sensor Network (WSN) is important in critical applications. WSN consists of sensor nodes which sense the physical parameters such as temperature, humidity, pressure and light etc and send them to a fusion center namely Base Station (BS) from where one can get the...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    A Novel Algorithm for Power Saving and Over Head Reduction in the Wireless Networks

    The majority of the nodes connected and operating as an today are Wireless networks, because of its own advantage. In the Adhoc networks nodes are not connected with any fixed infrastructure and are operated by battery power. Each node consumes a large amount of energy while transmission or reception of...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Vlsi Design of Cache Compression in Microprocessor Using Pattern Matching Technique

    Microprocessors speeds have been increasing faster than speed of off-chip memory. When multi processors are used in the system design, more processors require more accesses to memory. Thus it raises a 'wall' between processor and memory. Accessing off-chip memory takes an order of magnitude more time than accessing an on-chip...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Performance Analysis of Channel Assignment Scheme in Wimax

    Along with information technology of flourishing, the popularization rate of wireless communication equipment is higher. However, WiMAX is the one of new broadband wireless technologies. The performance of mobile WiMAX system is highly dependent on channel assignment scheme because frequency spectrum is finite in wireless communication systems. There are two...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Design and Analysis of Quad-Band Rectangular Microstrip Patch Antenna

    This paper proposes the rectangular microstrip patch antenna suitable to operate in different frequency bands. The rectangular microstrip patch antenna is designed and simulated using IE3D simulation software. The result obtained shows that the designed antenna is suitable for operation in four different frequency bands with bandwidth of 6.90%, 2.33%,...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Qos Parameters Comparison for 802.11 B, A&G Standards

    The use of wired local area networks has become ever more common place, even in situations where only a few computers need to be connected together. Advantages like cost reduction, High robustness and easy system configuration making WLAN more popular. Three different PHY layers are available for the IEEE 802.11...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Non Linear Optimum Interacting Multiple Model Smoother for GPS Navigation System

    The navigation problem is to direct the movement of vehicle so as to arrive at a given destination. The single model unscented filter gives better accuracy for non-linear navigation problems using unscented transform. But it fails to address noise variations in vehicle dynamics. Hence the multiple model filtering is required...

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  • White Papers // Aug 2012

    Design of Sierpinski Gasket Multiband Fractal Antenna for Wireless Applications

    The multiband behavior of the Fractal Sierpinski Gasket Antenna is described in this paper. An analysis is performed to examine the parameters of an antenna with a frequency range in between 1 GHz to 6 GHz. The behaviors of an antenna are investigated such as return loss and bandwidth. Simulations...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Voice Controlled Data Acquisition Car Based on Zigbee Technology

    This paper is to design a voice controlled car and use it as a platform for obtaining feedback from a critically controlled environment. The system comprises of a user interface module and a Robocar. The user interface includes an electret microphone through which the voice commands will be accepted by...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Innovative HR Strategies for SMEs

    The small and medium scale enterprises being very volatile in nature take high amount of risk. It is therefore imperative for them to address the uncertainty through reliable and loyal work force which can shoulder them in good and bad times. HR has the challenge of attracting talent on role...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Critical Factors Influencing the Performance of E-Business in SMEs

    E-business technologies have significantly affected business processes of companies. As a result, it is critical for organizations to have an effective and efficient E-business performance, particularly, for small and medium sized enterprises due to their lack of financial and human resources. The purpose of this paper is to study the...

    Provided By IOSR Journal of Engineering

  • White Papers // Aug 2012

    Wireless Communication and Security in Wimax

    Wireless communication deals with data transmission over air as interfacing medium between the transmitting and receiving stations posing data security as biggest challenge. Although, technologies other than wireless introduced earlier pay significant service to users, the broadband wireless, with mobility is the first choice of people all over. In this,...

    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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

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  • White Papers // Apr 2012

    SEP Performance of MFSK in Rician Fading Channel Based on MGF Method

    Symbol Error Probability (SEP) of non-coherent frequency shift keying over slow flat Rician fading channel is calculated with Maximal Ratio diversity Combining (MRC) technique using Moment Generating Function(MGF). The authors assume that channel side information is known to the receiver. Error performance plots of modulation technique has been drawn for...

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  • White Papers // Apr 2012

    An Analytical Approach to S-Box Generation

    The concept of concealing the meaning of a message from all but the intended recipients is the job of a crypto system. The development of digital computers allowed the complexity of encryption algorithms to increase and to be used in a wide range of applications, including civilian use. This paper...

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  • White Papers // Apr 2012

    Implementation of Fault Tolerant Architecture in Decentralized Intrusion Detection System

    The aim of this paper is to detect anomalous usage of legitimate applications by authorized users in Windows environment and to implement a fault - tolerant architecture which can continue providing detection service even in case of failure of one or more detecting servers. This paper also aims to implementing...

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  • White Papers // Apr 2012

    2x2 Array Multiplier Based on DCVS Logic

    The Array architecture is a popular technique to implement the multipliers due to its compact structure. In this paper, 2x2 array multiplier circuits using existing full adder and DCVS logic full adder have been designed, simulated, analyzed and compared. An extensive analysis of multipliers has been done. According to the...

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  • White Papers // Apr 2012

    Efficient Implementation of Ogg Vorbis Decoder Using Soft Core Processor

    In this paper, the authors describe a design of Ogg vorbis decoder for an embedded platform. Ogg vorbis is an audio compression format developed by the Xiph.Org foundation, a non-profit organization working in the area of Internet multimedia technology. Since ogg vorbis decoding process incurs high computational complexity, a software...

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  • White Papers // Apr 2012

    Video Surveillance Based Traffic Monitoring System

    Visual analysis is concerned with detection and analysis of a target object in a sequential stream of images. While many algorithms are successful to detect objects effectively in controlled environments, they get bugged with the variations of the object's appearance or with the surrounding change. The ability to reliably detect...

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  • White Papers // Apr 2012

    Simulation Based Comparative Performance Study of AODV, DSR and ZRP in Mobile Ad Hoc Networks (MANETs) Using Qualnet 5.0.2

    A Mobile Ad-hoc NETwork (MANET) is a collection of wireless mobile nodes forming a temporary network without using any centralized access point, infrastructure, or centralized administration of the mobile networks .Data transmission between two nodes requires multiple hops as nodes transmission range is limited in Mobile Ad-hoc NETworks (MANET's). Mobility...

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  • White Papers // Apr 2012

    Implementation of Unified Architecture of 802.11a and 802.16a PHY Layers Using Verilog HDL (R & D)

    WiFi and WiMAX are the well developed and standardized technologies working on OFDM platform. Their physical layer architecture are much similar accept WiMAX physical layer has RS encoder & decoder at transmitter and receiver respectively. WiFi and WiMAX are widely used wireless technologies for accessing internet. This paper elaborates the...

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  • White Papers // Apr 2012

    Minimization of Time & Cost Factors with Optimized Program-States Using Exception-Handling Constructs in Java (During Analysis and Testing of Programs)

    It has been observed that 80% of development time and a lots of memory space is spend over handling the abnormal conditions and exceptions in any programming environment. It also affects the cost factor of program development also. The support for precise exceptions in optimizing Java program states, combined with...

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  • White Papers // Oct 2012

    Design and Implementing of Serial Ports to Ethernet Gateway on Embedded System

    The use of the multi-serial/Ethernet conversion gateway simplifies the networked control and distributed management of information for serial devices. So the design of a new type of gateway for data converting from serial ports to Ethernet based on embedded system is highlighted in this paper. The design is based on...

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  • White Papers // Oct 2012

    Harms Associated with Cellular Towers (CDMA vs GSM)

    The use of mobile phone is increasing enormously, and hence has become a subject of recent interest and study, due to use of ElectroMagnetic (EM) wave in the microwave range and produces radiation. Various physiological studies have found that the excessive Radio Frequency (RF) wave exposure affects the biological systems...

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  • White Papers // Oct 2012

    Memorized Window Consolidation (MWC) Based TCP Recovery for Vegas and B/w Based Congestion Control

    In this paper, the authors present a framework for unanimous TCP flow window size recovery, "Memorized flow recovery", which differs from most TCP algorithms by memorized window size consolidation as measure to control the window size increment post link recovery from disconnection. It identifies the window size in use during...

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  • White Papers // Oct 2012

    Study and Performance Evaluation of Xilinx HDLC Controller and FCS Calculator

    In this paper, design, simulation and implementation design of HDLC Controller provides a high performance. This design is then coded in a Hardware Description Language (VHDL). The functioning of the coded design is to simulate on simulation software (e.g. ModelSim). After proper simulation, the design is synthesized and then translated...

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  • White Papers // Oct 2012

    Management of Future Internet with Autonomic Network Architecture and Model

    Research efforts a strong foundation towards standardization of architectural principals of the managing future Internet. Autonomic network engineering for managing Future Internet (AFI) has been established under the European Telecommunications Standards Institute (ETSI). AFI has been focusing on scenarios, use cases, and requirements for autonomic self managing future Internet, as...

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  • White Papers // Apr 2012

    Semantic Web Crawler Based on Lexical Database

    Crawlers are basic entity that makes search engine to work efficiently in World Wide Web. Semantic concept is implied into the search engine to provide precise and constricted search results which is required by end users of Internet. Search engine could be enhanced in searching mechanism through semantic lexical database...

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  • White Papers // Apr 2012

    Evaluation of Green Supply Chain Management Strategies Using Fuzzy AHP and TOPSIS

    In this paper, the authors present a new decision making approach for group multi-criteria evaluation for green supply chain management strategies, which clubs green procurement, manufacturing, green service to customer and environmental management process with order allocation for dynamic supply chains to cope market variations. More specifically, the developed approach...

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  • White Papers // Jan 2012

    An Actual Communication Network Performance Evaluation Method

    The queuing system and network theories may be hardly applied to solve performance evaluation problems for actual large-scale computer systems and networks. This is true especially for high performance communication networks such as wireless, satellite or photonic networks. The reason is that the theoretical assumptions can hardly be fulfilled in...

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  • White Papers // Oct 2012

    A Service-Oriented Architecture based Global Positioning System

    The Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information, anywhere on or near the Earth. The GPS provides critical capabilities to military, civil and commercial users around the world. This paper present a Service Oriented Architecture (SOA) based Global Positioning System (GPS)....

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  • White Papers // Oct 2012

    FPGA Design Methodology for Time Domain Dead Beat Algorithm

    In this paper, the authors propose a way of implementing a deadbeat controller in FPGA. The focus is on the FPGA implementation of the digital controller. The emphasis is on the software tools for design and simulation of FPGA based hardware for control applications. The FPGA is interfaced to the...

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  • White Papers // Oct 2012

    Hardware/Software Co-Simulation of BPSK Modulator Using Xilinx System Generator

    In this paper, the authors present a theoretical background overview of the digital communication systems and the BPSK modulation. The BPSK modulation represents an important modulation technique in terms of signal power. The BPSK system is simulated using Mat lab/ Simulink environment and system generator, a tool from Xilinx used...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    P2P Reputation Management Scheme Using a Cryptographic Protocol

    Reputation management in a Peer-To-Peer network is difficult as challenges are posed by lack of centralized authority. For this reason P2P (Peer-To-Peer) network is vulnerable which can facilitate non-cooperation, cheating, leaching on the network and propagation of malicious code. The security model used for centralized C/S systems is not suitable...

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  • White Papers // Oct 2012

    A Dynamic Method to Detect IP Spoofing on Data Network Using Ant Algorithm

    A data packet is typically forwarded from one router to another through networks that constitute the internetwork until it gets to its destination node. At the same time routers in the Internet do not perform any security verification of the source IP address contained in the packets. The lack of...

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  • White Papers // Oct 2012

    Aviris Hyperspectral Images Compression Using 3D Spiht Algorithm

    Hyperspectral sequence image is compressed using 3D Discrete Wavelet Transform (3D DWT) to decorrelate the three dimensions of hyperspectral image. Than the sequence is encoded efficiently by the 3D SPIHT algorithm, which operates on the pyramid structure of wavelet coefficients obtained. After decompression, the image evaluated by the PSNR, are...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Prevention of Attacks in Internet Controlled Embedded Applications

    Embedded systems are becoming a main solution to many specific tasks because of this high stability, minimal power consumption, portability and numerous useful. Now-a-days, many new applications are developed using embedded system. This paper deals with the issues related to embedded applications when they are implemented in Internet. There are...

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  • White Papers // Oct 2012

    FPGA Implementation of Systolic Array Architecture for 3D-DWT Optimizing Speed and Power

    Demand for high speed and low power architectures for image/video compression algorithms are increasing with scaling in VLSI technology. Video sequences are considered as 3D sequences and are compressed using 3D DWT architectures. In this paper, systolic array architectures for 2D DWT have been modified and have been used in...

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  • White Papers // Oct 2012

    A Hybrid Model On Data Clustering and Computational Intelligence for Bank Crisis Classification and Prediction

    The prediction of bank failures is an important academic topic of which many have used artificial intelligence methods to build an early warning system for this purpose. The objective of this paper is to enhance the accuracy in predicting bank failures by proposing two hybrid models. In this paper, two...

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  • White Papers // May 2012

    Adaptive Coding and Energy Efficient Packet Rate Transmission Over Wireless LAN Friendly VOIP

    Energy efficiency takes important in wireless communication systems where networked low-power devices relying on batteries should be able to communicate transparently. Current wireless network power management often substantially degrades performance and may increase overall energy usage when used with latency-sensitive applications. The authors propose power management that adapts its behavior...

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  • White Papers // May 2012

    Concealing Encrypted Iris Templates in Images Using Quantized DCT Coefficients

    In this paper, the authors introduce a novel steganography-based approach to protect the iris data by hiding it into a digital image for personal identification purpose. Transformations are done to encrypt the biometric data before hiding. JPEG quantization blocks in diagonal sequence are investigated for exploring an efficient hiding algorithm...

    Provided By IOSR Journal of Engineering

  • White Papers // May 2012

    Cloud Agile Manufacturing

    In this paper, the authors propose a new manufacturing paradigm called Cloud Agile Manufacturing, and its principal objective is to offer industrial production systems as a service. Thus users can access any functionality available in the cloud of manufacturing (process design, production, management, business integration, factories virtualization, etc.) without knowledge...

    Provided By IOSR Journal of Engineering

  • White Papers // May 2012

    Component Identification From Existing Object Oriented System Using Hierarchical Clustering

    One of the important tasks in software engineering is software architecture modeling. High level software architecture is useful in all phases of software life cycle. Component based software architecture is beneficial as it is useful for reusing system parts represented as components. Most of the existing object-oriented systems do not...

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  • White Papers // Jun 2012

    Hardware Implementation of Modified RC4 Stream Cipher Using FPGA

    In this paper, an efficient hardware implementation of modified RC4 stream-cipher is proposed. In contrary to previous design, which requires four memories each of size 256 X 8, the proposed system can be implemented by using only two memories each of size 128 X 7. Due to the reduction in...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2012

    Implementation of Artificial Intelligence Techniques for Economic Load Dispatch

    In this paper, the authors present the applications of computational intelligence techniques to economic load dispatch problems. The fuel cost equation of a thermal plant is generally expressed as continuous quadratic equation. In real situations the fuel cost equations can be discontinuous. In view of the above, both continuous and...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2012

    Power Efficient Energy-Aware Routing Protocol for Wireless Sensor Networks

    The most important issue that must be solved in designing a data transmission algorithm for Wireless Sensor Networks (WSNs) is how to save sensor node energy while meeting the needs of applications/users as the sensor nodes are battery limited. While satisfying the energy saving requirement, it is also necessary to...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2012

    Data Transmission at 16.8kb/s Over 32kb/s ADPCM Channel

    In this paper, the authors present three models of Quadrature Amplitude Modulation (QAM) modem operating at data rate of 16.8kb/s to be transmitted over 32kb/s Adaptive Differential Pulse Code Modulation (ADPCM) channel. These modems operate at symbol rates of 2400, 2800, and 3360 baud with associated number of bits per...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2012

    Improving the Quality of Service in Wireless Body Area Networks Using Genetic Algorithm

    Wireless Body Area Sensor Networks are the highly distributed network, in which its nodes are the organizer itself and each of them has the flexibility of gathering and sending patient biomedical knowledge to a terminal that referred to as sink. When knowledge sent to sink from a path that doesn't...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2012

    Performance Evaluation Method Proposal for High Performance ICT Systems and Networks

    In this paper, the authors present a predicted functional architecture of an emerging application of High Performance Computing and Communication (HPCC) application: the integrated manufacturing and management system. The computer network was defined for a case study of big manufacturer of household appliances. To evaluate and/or predict performance of this...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2012

    Implementation of WSN Node Using Hardware Specialization

    Wireless Sensor Networks holds space in wide range of application ranging from tracking to monitoring health, environment etc. The power (energy consumption) attribute for WSN requires special attention as WSN has to work unattended for long durations. Till now WSN nodes has been designed using low-power micro-controller. But still its...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2012

    Improving Computational Efficiency of Tentative Data Set

    The aim of data mining is to find novel, interesting and useful patterns from data using algorithms that will do it in a way that is more computational efficient than previous method. Current data mining practice is very much driven by practical computational concerns. In focusing almost exclusively on computational...

    Provided By IOSR Journal of Engineering

  • White Papers // Apr 2012

    Performance of TCP, UDP and SCTP on Sensor Network with Different Data Reporting Intervals

    The performance of the congestion control algorithms of most of the reliable transport protocol of internet, particularly wireless networks and mobile ad-hoc networks, are not satisfactory under a high density sensor network applications, since they are designed mainly for wired networks and not for sensor networks. In this paper, the...

    Provided By IOSR Journal of Engineering

  • White Papers // Apr 2012

    Throughtput Competitive Advance Reservation Using Polynomial Time

    In response to the high throughput needs of grid and cloud computing applications, several production networks have recently started to support advance reservation of dedicated circuits. An important open problem within this paper is to devise advance reservation algorithms that can provide provable throughput performance guarantees independently of the specific...

    Provided By IOSR Journal of Engineering