IOSR Journal of Engineering

Displaying 241-280 of 485 results

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Electromagnetic Band Gap Coupled Microstrip Antenna for UWB Applications

    In this paper Electromagnetic Band Gap structure with microstrip antenna has been proposed. Many small and compact periodic EBGs have been investigated to design the antenna. Simulation is done on the HFSS software tool. The antenna is designed on the 21x31mm FR4 substrate with the dielectric constant of 4.4. The...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • 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 // Oct 2012

    Design and Construct of Broadband Printed Rectangular Monopole Antenna

    In this paper, the authors have investigated an rectangular monopole antenna that was printed on a Printed Circuit Board (PCB). The antenna consists of a rectangular patch and a ground plane so that the antenna acts as a planar monopole antenna which is broadband. Broadband planar monopole antennas have all...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Adaptive Bandwidth Allocation in Wireless Networks With Multiple Degradable Quality of Service

    In Wireless/Mobile networks various kinds of encoding schemes were used for transmission of data over a bandwidth. The desired quality and generated traffic varies with the requirement with this bandwidth. A generic video telephony may require more than 40 kbps whereas a low motion video telephony may require about 25...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Handset Antenna Design for Mobile Communication System

    Monopole slot antenna is suitable for handset applications due to its simple planar structure. Besides that, it is compact, low cost, low profile and easy to manufacture. It also has wide bandwidth and omnidirectional charatriesticts. The monopole antenna is obtained by cutting monopole slot at the edge of the ground...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Improvement of Handoff Decision in GSM-Railway Using Fuzzy Logic

    In this paper, the authors present two algorithms, are based on fuzzy logic, conventional algorithm and Proposed algorithms. Both handoff algorithms are used average handoff factor to decide when to handoff and when not in case of high speed mobile terminals. Conventional algorithm is of two types, one is conventional...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    A Compact Size Reconfigurable Antenna for Ultra-Wideband Applications

    This paper presents a simpler method of designing a compact size reconfigurable antenna useful for ultra-wideband applications. The reconfigurability of the antenna designed was achieved by using the concept of open-circuit and short-circuit so only single structure was designed and reconfigurability of frequency was achieved. The substrate on which the...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    A Novel Octagonal UWB Antenna for Cognitive Radio

    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 on a printed circuit board; ground plane. This antenna was simulated in ADS (Advanced Design System) Momentum. The feeding point...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    A Dynamic Network Reconstruction Approach Using ACO

    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 energy. It is required to minimize the rerouting to save the energy loss. The authors proposed an algorithm to...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    A Review on Substrate Integrated Waveguide and Its Microstrip Interconnect

    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 planar nature, they can be fabricated on planar circuits like Printed Circuit Boards (PCB) and can be integrated with other planar transmission lines like...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    To Study the Effect of Center Frequency and Bandwidth on Quality Factor of Microstrip Interdigital Bandpass Filter

    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 applications. In this paper inter-digital bandpass filter with under coupled quarter wavelength resonator is proposed. In this paper, the authors studied...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Multiband Microstrip Patch Antenna for Microwave Applications

    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 microstrip line. The proposed design and feeding technique allows the antenna to operate at multiple frequencies in...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Secure Surveillance Using Virtual Intelligent Agent With Dominating Influence

    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 successfully. In this project, an automation surveillance system is achieved using PIR sensor which detects the human. Also the robot...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    RR-MAC: Receiver Reservation MAC Protocol With Time-Division for Wireless Sensor Networks

    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 wireless sensor network consists of three main parts-processor, transmitter/receiver and memory unit. For these parts to be operational in an efficient way, the battery...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Performance Evolution for Frequency Invariance for Double Differential Detection System

    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 is shown that in the case of nonzero frequency offset distorts the transmitted signal through attenuating its amplitude and MSDD receiver...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Optimization of ECAT Through DA-DCT

    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 application. Operating the shifting and addition in parallel, an Error-Compensated Adder-Tree (ECAT) is proposed to deal with the truncation errors and...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Patch Antenna Array Fault Modeling and Its Monitoring

    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 fault monitoring in the microstrip patch antenna array. The fault modeling, included here is single and double fault models of the...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Broadband Rectangular Ring Slot Microstrip Antenna With High Return Loss and Also Compare With Rectangular MSA

    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 free space the broadband circularly polarized MSA, play a vital role in wireless communication due to its low-profile,...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Comparative Analysis of Bandwidth Enhancement of Microstrip Patch Antennas Using Various Geometries

    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) was designed and simulated using Zeland's Method of Moment (MoM) based EM simulation package IE3D and its various parameters such as return loss, VSWR...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    To Study the Effect of BER and Q-Factor in Intersatellite Optical Wireless Communication System

    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 communication system. The effect of diameter antennae with received power and distance is also analyzed in this paper. The value of...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Three Dimensional-Chips

    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 which two or more layers of active electronic components are integrated both vertically and horizontally into a single circuit. The...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Synthesis of Linear and Circular Array Antennas Using Gatool

    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 MATLAB. This is employed in Radars and communications in order to reduce jamming effects,...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Design and Performance Analysis of Log Periodic Dipole Antenna at Uhf Band

    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 the S parameter was presented. A good impedance match in a wide frequency range has been achieved by a suitable...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    An Investigation Into the Performance Enhancement and Salient Features of AMR-WB Speech Codec Used in GSM Communication

    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 2001. The proposed scheme has two variants: AMR-Narrowband (AMR-NB) and AMR-WB (AMR-WideBand). The speech quality of AMR-WB in GSM systems is remarkably high compared...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Adaptive Beam Forming Using KLMS, KRLS and CGM Algorithms

    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 increased. In CGM algorithm the weight of antenna arrays can be adjusted to form certain amount of adaptive beam to...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Peak-To - Average Power Ratio Reduction of Ofdm Siganls

    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 disadvantage of OFDM is that the time domain of OFDM signal which is a sum of subcarrier sinusoids leads to high Peak-to-Average Power Ratio...

    Provided By IOSR Journal of Engineering

  • White Papers // Feb 2012

    Performance Analysis of Different M-ARY Modulation Techniques Over Wireless Fading Channel

    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 improve the performance of signals. The authors know digital communication system outperforms analog ones in terms of noise performance and flexibility....

    Provided By IOSR Journal of Engineering

  • White Papers // Feb 2012

    Data Link Control in Data Communication

    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 reliable data transfer across one physical link (or telecommunications path) within the network. Technical communication systems are developed to...

    Provided By IOSR Journal of Engineering

  • White Papers // Feb 2012

    A Review on Designing of the Dual Reflector Axially Symmetric Cassegrain Antenna

    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 blockage by primary feed or by the sub-reflector and its effect on overall performance. The objective of the paper is to provide the overview...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Secure Surveillance Using Virtual Intelligent Agent With Dominating Influence

    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 successfully. In this project, an automation surveillance system is achieved using PIR sensor which detects the human. Also the robot...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    RR-MAC: Receiver Reservation MAC Protocol With Time-Division for Wireless Sensor Networks

    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 wireless sensor network consists of three main parts-processor, transmitter/receiver and memory unit. For these parts to be operational in an efficient way, the battery...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Performance Evolution for Frequency Invariance for Double Differential Detection System

    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 is shown that in the case of nonzero frequency offset distorts the transmitted signal through attenuating its amplitude and MSDD receiver...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Optimization of ECAT Through DA-DCT

    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 application. Operating the shifting and addition in parallel, an Error-Compensated Adder-Tree (ECAT) is proposed to deal with the truncation errors and...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Patch Antenna Array Fault Modeling and Its Monitoring

    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 fault monitoring in the microstrip patch antenna array. The fault modeling, included here is single and double fault models of the...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Broadband Rectangular Ring Slot Microstrip Antenna With High Return Loss and Also Compare With Rectangular MSA

    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 free space the broadband circularly polarized MSA, play a vital role in wireless communication due to its low-profile,...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Comparative Analysis of Bandwidth Enhancement of Microstrip Patch Antennas Using Various Geometries

    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) was designed and simulated using Zeland's Method of Moment (MoM) based EM simulation package IE3D and its various parameters such as return loss, VSWR...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    To Study the Effect of BER and Q-Factor in Intersatellite Optical Wireless Communication System

    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 communication system. The effect of diameter antennae with received power and distance is also analyzed in this paper. The value of...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Three Dimensional-Chips

    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 which two or more layers of active electronic components are integrated both vertically and horizontally into a single circuit. The...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Synthesis of Linear and Circular Array Antennas Using Gatool

    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 MATLAB. This is employed in Radars and communications in order to reduce jamming effects,...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Design and Performance Analysis of Log Periodic Dipole Antenna at Uhf Band

    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 the S parameter was presented. A good impedance match in a wide frequency range has been achieved by a suitable...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    An Investigation Into the Performance Enhancement and Salient Features of AMR-WB Speech Codec Used in GSM Communication

    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 2001. The proposed scheme has two variants: AMR-Narrowband (AMR-NB) and AMR-WB (AMR-WideBand). The speech quality of AMR-WB in GSM systems is remarkably high compared...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Adaptive Beam Forming Using KLMS, KRLS and CGM Algorithms

    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 increased. In CGM algorithm the weight of antenna arrays can be adjusted to form certain amount of adaptive beam to...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Peak-To - Average Power Ratio Reduction of Ofdm Siganls

    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 disadvantage of OFDM is that the time domain of OFDM signal which is a sum of subcarrier sinusoids leads to high Peak-to-Average Power Ratio...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Identification and Modeling of Dominant Causes of Congestion in a Cellular Network

    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 data networks, congestion occurs when the number of packets being transmitted through the network approaches the packet handling capacity of...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Efficient Implementation of Fast Fourier Transform Using NOC

    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 between flexibility and performance. Typically, they need reconfigurable array of processing elements .The applications have been restricted to domains based on floating...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Efficient Security for Mobile Ad-Hoc Network

    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 Ad-hoc network is important matter due to dynamic nature of the network topology. MANETs is affected by new security problems...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    An Ftp Implementation With Arm Processor and Gprs for Real Time Applications

    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 embedded device communicates through General Packet Radio Service (GPRS) module, which makes it...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Adaptive Selective State-Transition Decoding: A Combined Approach for Trellis Coded Modulation Scheme

    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 channels. The ASSTD is a combined approach provides an improved error performance over Reduced State Sequence Estimation (RSSE) techniques which are in practical use. The ASSTD...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    A Printed Microstrip Antenna for RADAR Communication

    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 the combinations of two triangular and another rectangular slot at the upper right corner and rest is bilateral triangle at...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    A Literature Survey on Performance of Free Space Optical Communication Links Under Strong Turbulence

    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 signals are transmitted through air. Due to atmospheric turbulence, signals are affected. This atmospheric turbulence leads to fading of the channel. The...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    To Study the Characteristics of Low Base Station Antenna in Respect of Propagation Loss

    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 loss is an important element which must be kept within predefined range in order to get expected performance of the system....

    Provided By IOSR Journal of Engineering

  • White Papers // Feb 2013

    Analysis Strategy for Small and Medium Business Development Policy Gresik District in East Java

    This paper is the preparation of Policy Development Small and Medium Enterprises (SMEs) Gresik regency, East Java. The expected outcome of this activity is the completion of SME Development Policy Gresik regency, East Java. This research included in this type of survey research (survey research). To identify and determine the...

    Provided By IOSR Journal of Engineering

  • White Papers // Feb 2013

    Literature Critique: \"Competition Law, Enforcement and the Australian Small Business Sector\"

    Various developed nations nowadays have put all their efforts to regulate competition laws for international market. And, Australia is not an exception to this implementation; the further growth and development of the Australian industries are mainly regulated by the Australian government in order to oversee if the organizations, business owners,...

    Provided By IOSR Journal of Engineering

  • White Papers // Jan 2013

    A New Approach to Volunteer Cloud Computing

    Volunteer cloud computing is based on the concept where highly distributed non-dedicated resources are harnessed to build a cloud so as to offer cloud services. As volunteer clouds are allowed to communicate with each other and with other commercial clouds also, it's necessary to implement an enhanced interoperable environment. The...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Requirements and Challenges for Securing Cloud Applications and Services

    Adopting cloud computing is a complex decision involving many factors. This paper focuses on the central issues of cloud computing security. The cloud computing architectural framework provides a conceptual framework to help evaluate initial cloud risks and inform security decisions. It's a quick method for evaluating the tolerance for moving...

    Provided By IOSR Journal of Engineering

  • White Papers // Jan 2013

    Improving Security for Data Migration in Cloud Computing Using Randomized Encryption Technique

    With the increase in the development of cloud computing environment, the security has become the major concern that has been raised more consistently in order to move data and applications to the cloud as individuals do not trust the third party cloud computing providers with their private and most sensitive...

    Provided By IOSR Journal of Engineering

  • White Papers // Jan 2013

    Green Cloud Computing: A Constructive Advent to Curtail the Carbon Emission Radiation Due to Servers

    This paper analytically scrutinizes the energy dissipation based on services and invades the conditions to promote green cloud computing to save energy crisis. In conventional, cloud computing emphasis on the data computing efficiency whereas green cloud computing accredit to the research and practice of applying computing resources in virtuous, adequate...

    Provided By IOSR Journal of Engineering

  • 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...

    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 // Feb 2013

    Entrepreneurial Characteristics and Competency as Determinants of Business Performance in SMEs

    This paper is to empirically test the influence of entrepreneurial characteristics and competencies on business performance in Small and Medium Enterprises (SMEs). This study was conducted with 147 SMEs owner in Malang regency East Java Indonesia using survey instrument. Data analysis using the structural equation modelling. The results of this...

    Provided By IOSR Journal of Engineering

  • White Papers // Jun 2013

    Financing of Micro, Medium and Small Scale Enterprises in India Key Challenges

    Micro, small and medium sector enterprises have a vital role in the economic growth of a developing nation like India. These enterprises play a catalyst role in the development of industrial and commercial activities. In the overall value chain of different industries these firms are placed in critical positions. It...

    Provided By IOSR Journal of Engineering

  • White Papers // Dec 2012

    Capital Market and the Development of the Small and Medium - Scale Enterprises in Nigeria

    This paper looked at the need to incorporate the Small and Medium Scale Enterprises (SMEs) into the capital market in Nigeria as a means of raising capital for their operations. The findings of the paper found that the growth in the transactions of the quoted companies has been fluctuating over...

    Provided By IOSR Journal of Engineering

  • 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...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    A Detailed Analysis of the Issues and Solutions for Securing Data in Cloud

    Cloud computing, the next generation architecture of IT enterprises, offers the users with a flexible computing environment. In cloud, the virtualized resources are provided as a service over the internet. Typical applications that have already been thought of are SaaS (Software as a Service), PaaS (Platform as a Service), IaaS...

    Provided By IOSR Journal of Engineering

  • White Papers // Oct 2012

    Cloud Forensics-An IS Approach

    The Cloud hosting is where data centers really shine in electronic media. Every major IT firm has an offering of how consumers can be served by data centers wherein their cloud will be scaled as per Service Level Agreement (SLA) bounded only by the capacity of the data center. Hence,...

    Provided By IOSR Journal of Engineering

  • White Papers // Feb 2013

    Cloud Migration Benefits and Its Challenges Issue

    Cloud computing is one of the emerging fields in the computer world these days. Cloud computing is attracting everyone with its benefits. Now companies are shifting their focus onto cloud computing. But to be a part of cloud computing environment and to take advantages of cloud computing, legacy applications need...

    Provided By IOSR Journal of Engineering