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IOSR Journal of Engineering
(456 results)-
Whitepapers
P2P Reputation Management Scheme Using a Cryptographic Protocol
October 1, 2012, 12:00am PDT
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...
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Whitepapers
A Dynamic Method to Detect IP Spoofing on Data Network Using Ant Algorithm
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Aviris Hyperspectral Images Compression Using 3D Spiht Algorithm
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Prevention of Attacks in Internet Controlled Embedded Applications
October 1, 2012, 12:00am PDT
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...
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Whitepapers
FPGA Implementation of Systolic Array Architecture for 3D-DWT Optimizing Speed and Power
October 1, 2012, 12:00am PDT
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...
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Whitepapers
A Hybrid Model On Data Clustering and Computational Intelligence for Bank Crisis Classification and Prediction
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Design and Implementing of Serial Ports to Ethernet Gateway on Embedded System
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Harms Associated with Cellular Towers (CDMA vs GSM)
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Memorized Window Consolidation (MWC) Based TCP Recovery for Vegas and B/w Based Congestion Control
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Study and Performance Evaluation of Xilinx HDLC Controller and FCS Calculator
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Management of Future Internet with Autonomic Network Architecture and Model
October 1, 2012, 12:00am PDT
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...
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Whitepapers
Semantic Web Crawler Based on Lexical Database
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Evaluation of Green Supply Chain Management Strategies Using Fuzzy AHP and TOPSIS
April 1, 2012, 12:00am PDT
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,...
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Whitepapers
Detecting and Prevention Cross -Site Scripting Techniques
April 1, 2012, 12:00am PDT
Cross-site scripting is one of the main problems of any Web-based service. Since Web browsers support the execution of commands embedded in Web pages to enable dynamic Web pages attackers can make...
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Whitepapers
Hidden Web Indexing Using HDDI Framework
April 1, 2012, 12:00am PDT
There are various methods of indexing the hidden web database like novel indexing, distributed indexing or indexing using map reduce framework. The authors' goal is to find an optimized indexing...
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Whitepapers
New Trends in Real Time Operating Systems
April 1, 2012, 12:00am PDT
Most of today's embedded systems are required to work in dynamic environments, where the characteristics of the computational load cannot always be predicted in advance. Still timely responses to...
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Whitepapers
Best Information Search Using Probabilistic Flooding in Unstructured Peer-to-Peer Networks
April 1, 2012, 12:00am PDT
The "Peer-To-Peer" (P2P) networks refer to a class of systems and applications that employ distributed resources to perform a function in a decentralized manner. Unstructured Peer-To-Peer networks...
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Whitepapers
SEP Performance of MFSK in Rician Fading Channel Based on MGF Method
April 1, 2012, 12:00am PDT
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...
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Whitepapers
An Analytical Approach to S-Box Generation
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Implementation of Fault Tolerant Architecture in Decentralized Intrusion Detection System
April 1, 2012, 12:00am PDT
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...
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Whitepapers
2x2 Array Multiplier Based on DCVS Logic
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Efficient Implementation of Ogg Vorbis Decoder Using Soft Core Processor
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Video Surveillance Based Traffic Monitoring System
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Simulation Based Comparative Performance Study of AODV, DSR and ZRP in Mobile Ad Hoc Networks (MANETs) Using Qualnet 5.0.2
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Implementation of Unified Architecture of 802.11a and 802.16a PHY Layers Using Verilog HDL (R & D)
April 1, 2012, 12:00am PDT
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 &...
Provided by IOSR Journal of Engineering
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Whitepapers
Minimization of Time & Cost Factors with Optimized Program-States Using Exception-Handling Constructs in Java (During Analysis and Testing of Programs)
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Performance of TCP, UDP and SCTP on Sensor Network with Different Data Reporting Intervals
April 1, 2012, 12:00am PDT
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...
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Whitepapers
Throughtput Competitive Advance Reservation Using Polynomial Time
April 1, 2012, 12:00am PDT
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...
Provided by IOSR Journal of Engineering
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Whitepapers
Information Integration for Heterogeneous Data Sources
April 1, 2012, 12:00am PDT
Information retrieval from heterogeneous information systems is required but challenging at the same as data is stored and represented in different data models in different information systems....
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Whitepapers
Integrating Virtual Reality in Education Using Intranet Grids
April 1, 2012, 12:00am PDT
In recent years there has been increase in diverse views in relation to the use of Virtual Reality (VR) to enhance learning and cognition. Besides, there has been significant growth in the use of...
Provided by IOSR Journal of Engineering
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Whitepapers
Optimized Self Reconfigurable Wireless Mesh Networks
April 1, 2012, 12:00am PDT
Wireless Mesh Networks (WMNs) are being developed actively and deployed widely for a variety of applications, such as public safety, environment monitoring, and citywide wireless Internet...
Provided by IOSR Journal of Engineering
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Whitepapers
Preserving Privacy in Horizontally Partitioned Databases Using Hierarchical Model
May 1, 2012, 12:00am PDT
Now-a-days, business organizations and government sectors need to maintain large amounts of data to be integrated in distributed databases for storing from scientific experiments, daily...
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Whitepapers
A Study on Performance Evaluation of Peer-to-Peer Distributed Databases
May 1, 2012, 12:00am PDT
The design phase of the distributed database environment holds a vital part in affecting the performance. The Peer-to-Peer architecture gives a great degree of hope to handle the data in an...
Provided by IOSR Journal of Engineering
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Whitepapers
Security Against Selective Forward Attack in Wireless Sensor Network
May 1, 2012, 12:00am PDT
Wireless Sensor Networks (WSNs) are being increasingly deployed for various applications such as object tracking and monitoring, precision agriculture, controlling nuclear reactors, detecting...
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Whitepapers
Transmission of MIMO - OFDM Signal Using Optical Link
May 1, 2012, 12:00am PDT
Wireless networks have quickly become part of everyday life. Wireless LANs, cell phone networks, and personal area networks are just a few examples of widely used wireless networks. However,...
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Whitepapers
Cryptography Playfair Cipher Using Linear Feedback Shift Register
May 1, 2012, 12:00am PDT
In this paper, the authors present a new approach for secure transmission of message by modified version of Play fair cipher combining with random number generator methods. To develop this method...
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Whitepapers
Designing a Secure Protocol for Mobile Voting Through SMS
May 1, 2012, 12:00am PDT
In this paper, the authors cover a novel scheme to solve the issue of holding fair electoral verdict indications of people in a country or in an organization through proposing the design and...
Provided by IOSR Journal of Engineering
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Whitepapers
A Study of the Modified KDD 99 Dataset by Using Classifier Ensembles
May 1, 2012, 12:00am PDT
Network security has been an important research area. KDD 99 dataset has been used to analyze various network security methods. However, it has been shown that this dataset has redundant data...
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Whitepapers
Adaptive Coding and Energy Efficient Packet Rate Transmission Over Wireless LAN Friendly VOIP
May 1, 2012, 12:00am PDT
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...
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Whitepapers
Concealing Encrypted Iris Templates in Images Using Quantized DCT Coefficients
May 1, 2012, 12:00am PDT
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...
Provided by IOSR Journal of Engineering
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Whitepapers
Digital Pheromone Scheme in Wireless Sensor and Robot Networks
December 1, 2012, 12:00am PST
In this paper, the authors design a bio-inspired patrolling algorithm based on digital pheromone. As events have different importance, they refer to them as having different priorities. In their...
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Whitepapers
Multiple Symbol Differential Detection of MPSK Which Is Invariant to Frequency Offset Using Maximum-Likelihood Detection
December 1, 2012, 12:00am PST
It is well-known that classical differential detection of MPSK signals, wherein the information is encoded as the first order phase difference, is a simple and robust form of communication in...
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Whitepapers
Implementation of ALU Using Asynchronous Design
December 1, 2012, 12:00am PST
Power consumption has become one of the biggest challenges in design of high performance microprocessors. In this paper, the authors present a design technique using GALs (Globally-Asynchronous...
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Whitepapers
Investigation of Dual Meander Slot to Microstrip Patch Antenna
December 1, 2012, 12:00am PST
A dual microstrip meander slot antenna is presented for Wireless Local Area Network (WLAN) application. The proposed antenna comprises a rectangular microstrip patch element embedded with two...
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Whitepapers
Multiband Microstrip Patch Antenna for Microwave Applications
October 1, 2012, 12:00am PDT
In this paper, the authors present a fractal shape slot based patch antenna for multiband operations. The fractal shape slot is designed on the rectangular patch and the antenna is fed through a...
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Whitepapers
To Study the Effect of Center Frequency and Bandwidth on Quality Factor of Microstrip Interdigital Bandpass Filter
October 1, 2012, 12:00am PDT
Bandpass filter is a device that can be used in both transmitter and receiver in several communication systems, such as mobile phones, terrestrial network, satellite communication and many other...
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Whitepapers
A Review on Substrate Integrated Waveguide and Its Microstrip Interconnect
October 1, 2012, 12:00am PDT
Substrate Integrated Waveguides (SIW) are used for transmission of Electromagnetic waves. They are planar structures belonging to the family of Substrate Integrated Circuits. Because of their...
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Whitepapers
A Dynamic Network Reconstruction Approach Using ACO
October 1, 2012, 12:00am PDT
Energy efficiency and reliability are always the main concern in wireless sensor networks. In a sensor network the nodes are present with limited energy and with each transmission they loss some...
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Whitepapers
A Novel Octagonal UWB Antenna for Cognitive Radio
October 1, 2012, 12:00am PDT
This paper presents about a new antenna design of ultra wide band antenna for cognitive radio wireless communication. This antenna consists of an irregular octagon (polygon with 8 sides) aperture...
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Whitepapers
To Study the Characteristics of Low Base Station Antenna in Respect of Propagation Loss
October 1, 2012, 12:00am PDT
The environment between the transmitter and receiver in a wireless communication system has a significant effect on the performance and to maintain quality of service of the system. Propagation...
Provided by IOSR Journal of Engineering
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Whitepapers
A Literature Survey on Performance of Free Space Optical Communication Links Under Strong Turbulence
October 1, 2012, 12:00am PDT
Free space optical communication has widespread use because of its advantages such as high modulation bandwidth, enhanced security and low power. In free space optical communication, laser beam...
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Whitepapers
A Printed Microstrip Antenna for RADAR Communication
October 1, 2012, 12:00am PDT
A single layer, single feed compact slotted patch antenna is thoroughly simulated in this paper. Resonant frequency has been reduced drastically by cutting two different slots. The first one is...
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Whitepapers
Adaptive Selective State-Transition Decoding: A Combined Approach for Trellis Coded Modulation Scheme
October 1, 2012, 12:00am PDT
The authors are presenting a new suboptimum decoding strategy, namely, Adaptive Selective State-Transition Decoding (ASSTD) for Trellis Coded Modulation schemes transmission over band-limited ISI...
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Whitepapers
An Ftp Implementation With Arm Processor and Gprs for Real Time Applications
October 1, 2012, 12:00am PDT
In this paper, the authors present the principles of a low-cost Internet-based data processing system. The main h e a r t of the system is an embedded hardware (ARM 9) running with a Linux OS. The...
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Whitepapers
Efficient Security for Mobile Ad-Hoc Network
October 1, 2012, 12:00am PDT
An ad-hoc network is a dynamically changing network of mobile nodes that communicate without the support of a fixed network. Due to lack of centralized control, secured communication in mobile...
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Whitepapers
Efficient Implementation of Fast Fourier Transform Using NOC
October 1, 2012, 12:00am PDT
In this paper, improved algorithms for radix-8 FFT are presented. Various schemes have been proposed for computing FFT. It has Different target domains of applications and different tradeoffs...
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Whitepapers
Identification and Modeling of Dominant Causes of Congestion in a Cellular Network
October 1, 2012, 12:00am PDT
In telecommunications networks, congestion is the condition that arises when a system or a network experiences a level of offered calling activity or message traffic that exceed its capacity. In...
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Whitepapers
Peak-To - Average Power Ratio Reduction of Ofdm Siganls
October 1, 2012, 12:00am PDT
Orthogonal Frequency Division Multiplexing (OFDM) is a form of multicarrier modulation technique with high spectral efficiency and immunity to interference. Despite of many advantages the main...
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Whitepapers
Adaptive Beam Forming Using KLMS, KRLS and CGM Algorithms
October 1, 2012, 12:00am PDT
In this paper adaptive beam forming using KLMS, CGM and KRLS algorithm has been proposed. In CGM algorithms has reduced the interference and convergence is better when number of antennas...
Provided by IOSR Journal of Engineering
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Whitepapers
An Investigation Into the Performance Enhancement and Salient Features of AMR-WB Speech Codec Used in GSM Communication
October 1, 2012, 12:00am PDT
The 3rd Generation Partnership Project (3GPP) along with European Telecommunication Standard Institute (ETSI) recommended new speech coding scheme, called Adaptive Multi Rate (AMR) in 2000 and...
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Whitepapers
Design and Performance Analysis of Log Periodic Dipole Antenna at Uhf Band
October 1, 2012, 12:00am PDT
The paper described the design and performance analysis of log periodic dipole antenna at frequency 1800MHz -2500MHz (Ultra High Frequency Band), the antenna has been modeled using ADS layout and...
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Whitepapers
Synthesis of Linear and Circular Array Antennas Using Gatool
October 1, 2012, 12:00am PDT
The main aim of this paper is to reduce the first four Side Lobe Levels (SLLs) of the linear and circular array antennas using gatool, which is the one of the simplest and efficient tool in...
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Whitepapers
Three Dimensional-Chips
October 1, 2012, 12:00am PDT
This paper illustrates the performance advantages of 3D integrated circuits with two specific examples, namely 3D-FPGA and 3D-SRAM. Three-dimensional Chip (3D IC, 3D-IC, or 3-D IC) is a chip in...
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Whitepapers
To Study the Effect of BER and Q-Factor in Intersatellite Optical Wireless Communication System
October 1, 2012, 12:00am PDT
The system performance plays a great role in analyzing the characteristics of optical wireless communication link. This paper describes the effect of bit error ratio and quality factor in...
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Whitepapers
Comparative Analysis of Bandwidth Enhancement of Microstrip Patch Antennas Using Various Geometries
October 1, 2012, 12:00am PDT
This paper discusses the comparative study of BandWidth (BW) enhancement technique of Microstrip Patch Antenna (MSA) using various geometries. A simple Rectangular Microstrip Patch Antenna (RMSA)...
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Whitepapers
Broadband Rectangular Ring Slot Microstrip Antenna With High Return Loss and Also Compare With Rectangular MSA
October 1, 2012, 12:00am PDT
Antennas are a very important component of communication systems. By definition, an antenna is a device used to transform an RF signal, traveling on a conductor, in to an electromagnetic wave in...
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Whitepapers
Patch Antenna Array Fault Modeling and Its Monitoring
October 1, 2012, 12:00am PDT
The On/Off faults are among the most prominent hazards observed in antenna arrays. They behave like a catalyst towards steady degradation of the circuit's performance. This paper is regarding...
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Whitepapers
Optimization of ECAT Through DA-DCT
October 1, 2012, 12:00am PDT
Discrete Cosine Transform (DCT) is a widely used tool in image and video compression applications. Recently, the high-throughput DCT designs have been adopted to fit the requirements of real-time...
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Whitepapers
Performance Evolution for Frequency Invariance for Double Differential Detection System
October 1, 2012, 12:00am PDT
The Evolution of Multiple Symbol Differential Detection (MSDD) of double differential QAM signal is studied in the presence of frequency offset, phase offset and additive white Gaussian noise. It...
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Whitepapers
RR-MAC: Receiver Reservation MAC Protocol With Time-Division for Wireless Sensor Networks
October 1, 2012, 12:00am PDT
Wireless sensors networks are potentially employed in various fields such as defense system, target tracking, target monitoring, wildlife monitoring and disaster management. The node's of a...
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Whitepapers
Secure Surveillance Using Virtual Intelligent Agent With Dominating Influence
October 1, 2012, 12:00am PDT
As it is known embedded system is a special-purpose computer system designed to perform a dedicated function. As a spice the authors also included robotics domain and achieved this project...
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Whitepapers
A Review on Designing of the Dual Reflector Axially Symmetric Cassegrain Antenna
February 1, 2012, 12:00am PST
Dual reflector antennas are considered as pencil beam antennas that can produce radiation identical to searchlight. Cassegrain Reflector Antenna Design consists of various effects caused by...
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Whitepapers
Data Link Control in Data Communication
February 1, 2012, 12:00am PST
DLC is the service provided by the Data Link layer of function defined in the Open Systems Interconnection OSI model for network communication. The Data Link layer is responsible for providing...
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Whitepapers
Performance Analysis of Different M-ARY Modulation Techniques Over Wireless Fading Channel
February 1, 2012, 12:00am PST
Cellular communication systems are the most widely used wireless communication systems. It is the people primary need today to achieve the higher data rates in limited spectrum bandwidth to...
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Whitepapers
Virtual Wi-Fi for Single Hopping
December 1, 2012, 12:00am PST
Single hopping is implemented by using software approach over IEEE802.11WLAN card using orthogonality concept and protocol. Most feature of single hopping is to achieve virtual Wi-Fi network....
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Whitepapers
Design and Implementation of FPGA Based Low Power Digital FIR Filter
December 1, 2012, 12:00am PST
Finite Impulse Response (FIR) filters are widely used in various DSP applications. The low-power or low-area techniques developed specifically for digital filters can be found in. Many...
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Whitepapers
A Design of RF - Based Programmable Frequency Divider for IEEE 802.11a Wireless Access
December 1, 2012, 12:00am PST
Frequency being a parameter of the electronic signal give the researchers, a wide scope to improve & standardize the electronics & telecommunication system in the most productive & efficient way....
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Whitepapers
The Performance of Saturated Packet Queue System on Broadband PLC Network
December 1, 2012, 12:00am PST
The latest development of Broadband Power Line Communication Network may offer a platform for synchrophasor-sensor network in power distribution networks to establish a smart grid. Random data...
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Whitepapers
Design and Fabrication of 456 MHz Bandpass Filter
December 1, 2012, 12:00am PST
Bandpass filter is a passive component which is able to select signals inside a specific bandwidth at a certain center frequency and reject signals in another frequency region, especially in...
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Whitepapers
Radix4 Configurable Booth Multiplier for Low Power and High Speed Applications
December 1, 2012, 12:00am PST
Portable multimedia and Digital Signal Processing (DSP) systems, which typically require flexible processing ability, low power consumption, and short design cycle, have become increasingly...
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