- Subscribe to this page:
- RSS
- Email Alert
mobile - wireless communications
(59029 results)-
Whitepapers
Harmonic Identification Algorithms Based on DCT for Power Quality Applications
Feb 2010
The increasing demand for non-sinusoidal currents affects the quality of distribution networks. Harmonic detection is a crucial step in the cancellation of those components by active power...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Design of an Internal Antenna With Near-Omnidirectional H-Plane Radiation Pattern Over Ultra-Wide Bandwidth
Feb 2010
In this paper, an ultra-wideband internal antenna for use in mobile applications is proposed. The proposed antenna has symmetrical bi-arm structures printed on the top and bottom of the substrate,...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Compact Planar Dual-Wideband Bandstop Filters With Cross Coupling and Open-Ended Stepped Impedance Resonators
Feb 2010
This paper presents the design of a compact BandStop Filter (BSF) operating at two frequencies. The proposed BSF consists of Open-ended Stepped Impedance Resonators (OSIR) and an End-shorted...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Fully Integrated HBT MMIC Series-Type Extended Doherty Amplifier for W-CDMA Handset Applications
Feb 2010
A highly efficient linear and compactly integrated series-type Doherty Power Amplifier (PA) has been developed for wideband code-division multiple access handset applications. To overcome the size...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
QoS-Guaranteed Multiuser Scheduling in MIMO Broadcast Channels
Oct 2009
This paper proposes a new multiuser scheduling algorithm that can simultaneously support a variety of different Quality-of-Service (QoS) user groups while satisfying fairness among users in the...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Distributed Borrowing Addressing Scheme for ZigBee/IEEE 802.15.4 Wireless Sensor Networks
Oct 2009
This paper proposes a DIstributed Borrowing Addressing (DIBA) scheme to solve problems of failure in address assignments resulting from limited tree depth and width when the distributed address...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
A Highly Efficient GaAs HBT MMIC Balanced Power Amplifier for W-CDMA Handset Applications
Oct 2009
A highly efficient and compactly integrated balanced Power Amplifier (PA) for W-CDMA handset applications is presented. To overcome the size limit of a typical balanced PA, a bulky input divider...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
2.4 GHz WLAN InGaP/GaAs Power Amplifier With Temperature Compensation Technique
Oct 2009
Recently, the Wireless Local Area Network (WLAN) market has grown rapidly due to the increasing demand for high data rates. It requires a highly linear Power Amplifier (PA) because of a high...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Design and Performance Analysis of Emulator for Standard Conformance Test of Active RFID
Aug 2009
An active Radio Frequency IDentification (RFID) system has the advantages of a long identification distance and a good identification rate, overcoming passive RFID drawbacks. Therefore, interest...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Security Flaws in Authentication Protocols With Anonymity for Wireless Environments
Aug 2009
The emerging wireless networks require the design of new authentication protocols due to their dynamic nature and vulnerable-to-attack structure. Recently, Wu and others proposed a wireless...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Wirelessly Synchronized One-Way Ranging Algorithm With Active Mobile Nodes
Aug 2009
In this paper, the authors propose a one-way ranging algorithm that is based on wireless synchronization with measured timestamps and clock frequency offsets. In their proposed algorithm, an...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Design of Balanced Dual-Band Bandpass Filter With Self-Feedback Structure
Aug 2009
The rapid development of wireless communication is creating extraordinary demand for dual-band Radio Frequency (RF) front-end solutions. Various dual-band filters have recently been proposed. The...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Soft Combination Schemes for Cooperative Spectrum Sensing in Cognitive Radio Networks
Jun 2009
This paper investigates linear soft combination schemes for cooperative spectrum sensing in cognitive radio networks. The authors propose two weight-setting strategies under different basic...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Multiband Microstrip-Fed Right Angle Slot Antenna Design for Wireless Communication Systems
Jun 2009
The steadily increasing popularity of Internet access and multimedia applications has driven a rapid development of wireless communication systems. It has been noted that a wireless communication...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Switchable Printed Yagi-Uda Antenna With Pattern Reconfiguration
Jun 2009
A switchable Yagi-Uda antenna prototype with radiation pattern reconfiguration is presented in this paper. The proposed reconfigurable antenna is based on the concept of switching between the...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Microstrip Coupled-Line Lowpass Filter With Wide Stopband for RF/Wireless Systems
Jun 2009
The authors present the design of a compact microstrip lowpass filter with a wide stopband which is up to ten times the cutoff frequency. The filter is based on a coupled-line configuration and...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Application of ANFIS Power Control for Downlink CDMA-Based LMDS Systems
Apr 2009
Rain attenuation and intercell interference are two crucial factors in the performance of broadband wireless access networks such as Local Multipoint Distribution Systems (LMDS) operating at...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Blind Adaptive Multiuser Detection for the MC-CDMA Systems Using Orthogonalized Subspace Tracking
Apr 2009
In this paper, the authors study the performance of subspace-based multiuser detection techniques for Multi-Carrier Code-Division Multiple Access (MC-CDMA) systems. They propose an improvement in...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Strategic Differentiation of Internationalization in the Mobile Telecommunications Industry: Case Studies
Feb 2009
The authors present a unified explanation of the internationalization strategies of major Mobile Network Operators (MNOs). They have developed a framework that analyzes the strategies of major...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
OFDMA-Based Reliable Multicast MAC Protocol for Wireless Ad-Hoc Networks
Feb 2009
Compared with unicast, multicast over wireless ad-hoc networks do not support reliability due to their inability to exchange Request-To-Send/Clear-To-Send (RTS/CTS) and ACK packets with multiple...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Bidirectional Artificial Neural Networks for Mobile-Phone Fraud Detection
Feb 2009
The authors propose a system for mobile-phone fraud detection based on a bidirectional Artificial Neural Network (bi-ANN). The key advantage of such a system is the ability to detect fraud not...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Passband Simulations of Interference Impacts in the Presence of Ultra Wideband and Narrowband Systems
Feb 2008
Ultra WideBand (UWB) systems are inherently designed in coexistence with other wireless systems. In this paper, the authors investigate the mutual interference impacts between different UWB...
Provided by Hong Kong Polytechnic University
-
Whitepapers
Improved Reliability of Spectrum Sensing Using Energy Detector in Cognitive Radio System
Feb 2008
The authors propose a novel structure where the energy detector has multiples of verification using time delay, in order to improve its performance. Additionally, the performance is investigated...
Provided by Dongguk University
-
Whitepapers
Design of 600Mbps 4x2 MIMO-OFDM Wireless LAN System and Its FPGA Implementation
Feb 2008
This paper presents a model-based Register Transfer Level (RTL) design of a 4x2 Multiple-Inputs Multiple-Outputs (MIMO)-Orthogonal Frequency Domain Multiplexing (OFDM) wireless communication...
Provided by Kyushu Institute of Technology
-
Whitepapers
Performance of TC-QPSK-OFDM System With Phase Error and Perfect Compensation in Rayleigh Fading Channel
Feb 2008
Orthogonal Frequency Division Multiplexing (OFDM) combines the advantage of high achievable rates and relatively easy implementation. In this paper, the authors present an evaluation of the...
Provided by Alexandria University
-
Whitepapers
An Adaptive Resource Allocation Scheme in OFDMA Based Multiservice WiMAX Systems
Feb 2008
In this paper, the authors propose a time-frequency resource allocation scheme for OFDMA based system in WiMAX access networks. They utilize a user-based scheduling scheme to reduce complexity....
Provided by Beijing University of Posts and Telecommunications
-
Whitepapers
The Variable Step-Size Algorithm for Decision Feedback Equalizer Turbo Code DS/CDMA System Using SOVA Algorithm
Feb 2008
In this paper a variable step-size algorithm for adaptive Decision Feedback Equalizer (DFE) for turbo coded Direct-Sequence Code Division Multiple Access (DS/CDMA) communication systems is...
Provided by King Mongkut's Institute of Technology
-
Whitepapers
A Novel Cluster Routing Protocol With Power Balance in Ad Hoc Networks
Feb 2008
Recently, many kinds of wireless communication protocols are meaning for research. In the structure of ad hoc wireless networks, there are many researches discuss how to use better scheme for...
Provided by Nanhua University
-
Whitepapers
Alternative Attempts can Increase Transmission Opportunities in 802.11-Based Wireless Mesh Networks
Feb 2008
Every station within carrier sense zone must keep quiet till the end of transmission which originates that carrier sense zone. The authors observe futile transmission attempts into this carrier...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Localized Detection of Faults in Wireless Sensor Networks
Feb 2008
In this paper, the authors present a localized fault detection algorithm for wireless sensor networks. It makes local decision based on comparisons between neighbors and disseminates the decision...
Provided by Hongik University
-
Whitepapers
Suggesting Infection Causes Monitoring System Based on Wireless Sensor Network for Hospital Infection Control
Feb 2008
This paper has attempted to provide an interdisciplinary research for efficient hospital infection control. The suggested system operates on wireless sensor network that enables context-awareness...
Provided by Institute of Information Technology Advancement (IITA)
-
Whitepapers
Sensor Network to Collect Data in Field to Match Satellite Data
Feb 2008
In this paper, the wireless ubiquitous network architecture is described based on IMS which has been standardized by 3GPP (3rd Generation Partnership Program). Then the field data collection...
Provided by Tokyo University of Science
-
Whitepapers
CHEF: Cluster Head Election Mechanism Using Fuzzy Logic in Wireless Sensor Networks
Feb 2008
In designing the Wireless Sensor Networks, the energy is the most important consideration because the lifetime of the sensor node is limited by the battery of it. To overcome this demerit many...
Provided by Sungkyunkwan University
-
Whitepapers
RFID Applications Strategy and Deployment in Bike Renting System
Feb 2008
RFID is in great demand, recently. Though implementation of RFID is not difficult and RFID technology is more and more maturity, but still has many failure cases. This is because RFID has many...
Provided by National Yunlin University of Science and Technology
-
Whitepapers
An Approach for Data Collection and Traffic Signal Control in the Futuristic City
Feb 2008
This paper proposed a traffic responsive urban traffic control system using RFID (Radio Frequency IDentification) technology to get traffic information. The proposed system is a decentralized...
Provided by Kyungpook National University
-
Whitepapers
A New Tracking Method Using Image Sensor and Photo Diode for Visible Light Road-to-Vehicle Communication
Feb 2008
The authors propose a new tracking method using IMaGe sensor (IMG) and Photo Diode (PD) for visible light road-to-vehicle communication. Proposed method uses an IMG with wide FOV, which receives...
Provided by Keio University
-
Whitepapers
Location-Awareness Communications System for Improving Medical Service Quality
Feb 2008
Location-awareness computing enables services based on the current location of a user. By adding a layer of location-awareness intelligence to the VoWLAN platform, a location-enabled VoWLAN...
Provided by National Yang-Ming University
-
Whitepapers
A Novel Code Tracking Scheme Using Correlation Outputs in Advanced Offset Region for GALILEO L1 Open Service
Feb 2008
The single delta delay lock loop is the most widely used code tracking scheme for the GALILEO system that employs the binary offset carrier modulated spreading signal. When only a line-of-sight...
Provided by Sungkyunkwan University
-
Whitepapers
A Study of Cost and Network Efficiency in BICC Signaling Protocol
Feb 2008
These BICC protocol is a relay protocol adaptable to ATM and IP based core networks compared to ISUP protocol to TDM networks. Using BICC protocol, multi-rate bearer traffic such as voice and...
Provided by KT
-
Whitepapers
Semi-Blind Channel Estimation Based on Receiver Diversity
Feb 2008
This paper introduces a semi-blind channel estimation algorithm based on receiver diversity for Multiple Input Multiple Output (MIMO) systems using Orthogonal Frequency Division Multiplexing...
Provided by Université de Limoges
-
White Papers
Exploiting Downstream Mobility to Achieve Fast Upstream Message Propagation in Vehicular Ad Hoc Networks
Jan 2008
Vehicular Ad-hoc NETworks (VANETs) promise to enable many novel applications in transportation systems including accident avoidance, congestion sensing, traffic metering, and general in-car...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Broadcasting in VANET
Jan 2008
In this paper, the authors report the first complete version of a multi-hop broadcast protocol for Vehicular Ad hoc NETworks (VANET). The results clearly show that broadcasting in VANET is very...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Dynamic Internetworking Based on Late Locator Construction
Jan 2008
The legacy Internet technology is optimized for a semi-static inter-domain topology. Mobility or multihoming is handled by extending the legacy technology with new protocols. This paper describes...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
The Virtually Invisible Internet
Jan 2008
The authors consider the question "What if they could redesign the Internet, how would they do it?" The preliminary proposal discussed in this paper is based on two observations - today, and in...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
TSF: Trajectory-Based Statistical Forwarding for Infrastructure-to-Vehicle Data Delivery in Vehicular Networks
Mar 2010
This paper considers the scenarios where Internet access points are sparsely deployed in road networks to provide individual vehicles with customized road condition information for the driving...
Provided by University of Minnesota
-
White Papers
DECOR: Distributed and Energy Efficient Collection of Raw Data in Sensor Networks
Feb 2010
In wireless sensor networks, collection of raw sensor data at a base station provides the flexibility to perform offline detailed analysis on the data which may not be possible with in network...
Provided by University of Minnesota
-
White Papers
TBD: Trajectory-Based Data Forwarding for Light-Traffic Vehicular Networks
Nov 2008
This paper proposes a Trajectory-Based Data Forwarding (TBD) scheme, tailored for the data forwarding in light-traffic vehicular ad-hoc networks. The authors consider the scenarios in which...
Provided by University of Minnesota
-
White Papers
APL: Autonomous Passive Localization for Wireless Sensors Deployed in Road Networks
Jul 2007
In road networks, sensor nodes are deployed sparsely (Hundreds of meters apart) to save costs. This makes the existing localization solutions based on the ranging ineffective. To address this...
Provided by University of Minnesota
-
White Papers
PWave: A Multi-Source Multi-Sink Anycast Routing Framework for Wireless Sensor Networks
Nov 2007
Wireless Sensor Networks (WSNs) are generally deployed to support specific missions or applications such as habitat monitoring, object tracking. Traffic are generated from a number of sensing...
Provided by International Federation for Information Processing
-
White Papers
Leakage-Aware Energy Synchronization for Wireless Sensor Networks
Jun 2009
To ensure sustainable operations of wireless sensor systems, environmental energy harvesting has been regarded as the right solution for long-term applications. In energy-dynamic environments,...
Provided by Association for Computing Machinery
-
White Papers
Optimal Forwarder List Selection in Opportunistic Routing
May 2009
Unlike traditional wireless routing protocols which use a single fixed path, opportunistic routing explicitly takes advantage of the broadcast nature of wireless communications by using a set of...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Random Walks on Digraphs: A Theoretical Framework for Estimating Transmission Costs in Wireless Routing
Dec 2009
Due to the unique characteristics of wireless technologies and the dynamics in the environments (e.g., Mobility and interference) they operate in, wireless channels are known to be time-varying,...
Provided by University of Minnesota
-
White Papers
Exploring Link Correlation for Efficient Flooding in Wireless Sensor Networks
Mar 2010
Existing flooding algorithms have demonstrated their effectiveness in achieving communication efficiency and reliability in wireless sensor networks. However, further performance improvement has...
Provided by University of Minnesota
-
White Papers
Arbitrary Throughput Versus Complexity Tradeoffs in Wireless Networks Using Graph Partitioning
Jan 2011
Several policies have recently been proposed for attaining the maximum throughput region, or a guaranteed fraction thereof, through dynamic link scheduling. Among these policies, the ones that...
Provided by University of Pennsylvania
-
White Papers
Cognitive Radio Enabled Multi-Channel Access for Vehicular Communications
May 2010
The IEEE 1609.4 standard has been proposed to provide multi-channel operations in Wireless Access for Vehicular Environments (WAVE), where all the channels are periodically synchronized into...
Provided by University of California
-
White Papers
Smoothing Vehicular Traffic Flow With VGrid
Jul 2009
In this paper the authors explore a distributed application used to smooth traffic and reduce long term traffic incidents. To do this they use VGrid: An ad hoc networking and computing grid formed...
Provided by University of California
-
White Papers
Rate-Distortion Optimized Joint Source/Channel Coding of WWAN Multicast Video for a Cooperative Peer-to-Peer Collective
Mar 2010
Because of unavoidable wireless packet losses and inapplicability of retransmission-based schemes due to the wellknown NAK implosion problem, providing high quality video multicast over Wireless...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Study of Overheads and Accuracy for Efficient Monitoring of Wireless Mesh Networks
Jul 2009
IEEE 802.11-based wireless mesh networks are being increasingly deployed in enterprize and municipal settings. A lot of work has been done on developing measurement-based schemes for resource...
Provided by Reed Elsevier
-
White Papers
Assessing the VANET's Local Information Storage Capability Under Different Traffic Mobility
Jul 2010
Wireless networking enabled vehicles can form Vehicular Ad hoc Mesh Networks (VMesh). By cooperative communication among VMeshes, a local transient information could be "Retained" within a given...
Provided by University of California
-
White Papers
Deterministic Structured Network Coding For WWAN Video Broadcast With Cooperative Peer-to-Peer Repair
Sep 2010
Recent research has exploited the multi-homing property (one terminal with multiple network interfaces) of modern devices to improve communication performance in wireless networks. Cooperative...
Provided by University of California, Davis
-
White Papers
Diagnosing Failures in Wireless Networks Using Fault Signatures
Jan 2010
Detection and diagnosis of failures in wireless networks is of crucial importance. It is also a very challenging task, given the myriad of problems that plague present day wireless networks. A...
Provided by University of California, Davis
-
White Papers
FPGA Based Network Traffic Analysis Using Traffic Dispersion Patterns
Jun 2010
The problem of Network Traffic Classification (NTC) has attracted significant amount of interest in the research community, offering a wide range of solutions at various levels. The core challenge...
Provided by University of California, Davis
-
White Papers
Joint Source/Channel Coding of WWAN Multicast Video for A Cooperative Peer-to-Peer Collective using Structured Network Coding
Oct 2009
Because of frequent wireless packet losses and inapplicability of retransmission-based schemes due to the well known NAK implosion problem, providing high quality video multicast over Wireless...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Self-Learning Peer-to-Peer Traffic Classifier
May 2009
The popularity of a new generation of smart peer-to-peer applications has resulted in several new challenges for accurately classifying network traffic. In this paper, the authors propose a novel...
Provided by University of California, Davis
-
White Papers
Characterizing Link Importance in Multi-Channel, Multi-Radio, Multi-Rate Wireless Mesh Networks
Dec 2007
Modern day wireless networks are increasingly supporting various civilian applications that require high bandwidth for successful operation. In such cases, it is important to ensure proper...
Provided by University of California, Davis
-
White Papers
Race Conditions in Coexisting Overlay Networks
Feb 2008
By allowing end hosts to make independent routing decisions at the application level, different overlay networks may unintentionally interfere with each other. This paper describes how multiple...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Rate-Distortion Optimized Network Coding for Cooperative Video Stream Repair in Wireless Peer-to-Peer Networks
Apr 2008
By providing coding ability at intermediate nodes, network coding has been shown to improve network throughput in broadcast/multicast wireless networks. In this paper, the authors show that by...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Structured Network Coding and Cooperative Local Peer-to-Peer Repair for MBMS Video Streaming
Jul 2008
By providing coding ability at intermediate nodes, network coding has been shown to improve throughput in wireless broadcast/multicast networks. Considering a scenario where wireless ad-hoc peers...
Provided by University of California, Davis
-
White Papers
Ontology-Driven Adaptive Sensor Networks
Jan 2011
A wireless sensor network deployed in an area of interest is affected by variations in environmental conditions associated with that area. It must adapt to these variations in order to continue...
Provided by University of Maryland
-
White Papers
Spatial-Temporal Coverage Optimization in Wireless Sensor Networks
Apr 2009
Mission-driven sensor networks usually have special lifetime requirements. However, the density of the sensors may not be large enough to satisfy the coverage requirement while meeting the...
Provided by Pennsylvania State University
-
White Papers
MobiCom Poster Abstract: An Energy-Efficient Fault-Tolerant Monitoring System for Sensor Networks
Oct 2007
Because sensors are often deployed in harsh and/or adversarial environments, the sensors or the communication links may fail and hence endanger the mission of the sensor network. Although using...
Provided by Pennsylvania State University
-
White Papers
A Multi-Poller Based Energy-Efficient Monitoring Scheme for Wireless Sensor Networks
Jan 2009
For sensor networks deployed in unattended, harsh environments, the knowledge of sensor statuses such as liveness, node density and residue energy, is critical for maintaining the normal operation...
Provided by Pennsylvania State University
-
White Papers
Minimizing the Cost of Mine Selection Via Sensor Networks
Jan 2009
This paper explores the potential of networking the landmines via sensor technology. Specifically, the authors formulate a detonable selection problem, with the objective to destroy the intruding...
Provided by Pennsylvania State University
-
White Papers
Traffic Capacity of Multi-Cell WLANs
Jun 2008
Performance of WLANs has been extensively studied during the past few years. While the focus has mostly been on isolated cells, the coverage of WLANs is in practice most often realized through...
Provided by Association for Computing Machinery
-
White Papers
On Maximum Key Pool Size for a Key Pre-Distribution Scheme in Wireless Sensor Networks
Sep 2007
Bootstrapping secure communication among sensor nodes deployed in hostile environment is an important and challenging problem. A common approach to solve this problem is to use a key...
Provided by University of Texas at Dallas
-
White Papers
Dynamic Dual-Homing Protection in WDM Mesh Networks
Jan 2011
A fault-tolerant scheme, called dual homing, is generally used in IP-based access networks to increase the survivability of the network. However, dual homing itself cannot provide survivability...
Provided by University of Texas at Dallas
-
White Papers
Publish/Subscribe Service in CAN-Based P2P Networks: Dimension Mismatch and the Random Projection Approach
Mar 2008
CAN is a well-known DHT technique for content based P2P networks, where each node is assigned a zone in a virtual coordinate space to store the index of the data hashed into this zone. The...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Analysis of Collaborative Distributed Admission Control in 802.11x Networks
Nov 2007
Recent years have witnessed an explosive growth in multimedia wireless applications such as video streaming and conferencing. One of the reasons for this tremendous growth is the deployment of...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Wireless Broadcasting Using Network Coding
Jan 2011
Traditional approaches to transmit information reliably over an error-prone network employ either Forward Error Correction (FEC) or retransmission techniques. In this paper the authors consider an...
Provided by Oregon State University
-
White Papers
Peer-to-Peer Streaming With Hierarchical Network Coding
Jan 2011
In recent years, Content Delivery Networks (CDN) and Peer-to-Peer (P2P) networks have emerged as two effective paradigms for delivering multimedia contents over the Internet. An important feature...
Provided by Oregon State University
-
Whitepapers
Finacle Advizor
Jan 2012
Banking is growing increasingly automated with the advent of self-service channels like the ATM, Internet and mobile. While the increasing popularity and cost benefits of self-service channels is...
Provided by Infosys Technologies
-
Whitepapers
Finacle Mobile Banking Solution
Jan 2012
With mobile devices becoming integral to people's lives, banks are seeking to leverage the ubiquity of mobile phones to create a cost-effective distribution channel, rapidly innovate, extend reach...
Provided by Infosys Technologies
-
Whitepapers
Achieving Distributed User Access Control in Sensor Networks
Jan 2011
User access control in sensor networks defines a process of granting user an access right to the stored information. It is essential for future real sensor network deployment in which sensors may...
Provided by Reed Elsevier
-
Whitepapers
Novel Probabilistic Approach for Detecting Attack on Routing Protocols in Wireless Sensor Network
Feb 2012
The proposed system come up with an idea for detecting various types of routing attacks in wireless sensor network considering AODV protocol. Considering the previous research work, system...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Mobile Agent for Distributed Intrusion Detection System in Distributed System
Feb 2012
Due to the rapid growth of the network application, new kinds of network attacks are emerging endlessly. So it is critical to protect the networks from attackers and the Intrusion detection...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Performance Evaluation of Equalizers and Different Diversity Techniques Using OFDM
Apr 2012
In this paper, the authors analyzed the performance of different diversity techniques, which can be easily applied with Orthogonal Frequency Division Multiplexing (OFDM) systems with different...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Improving AODV Routing Protocol With Priority and Power Efficiency in Mobile Ad Hoc WiMAX Network
Feb 2012
These days' ad hoc networks have found many applications. Multiple ad hoc routing protocols have been proposed, of which on-demand routing protocols are very popular because they are easy to...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Effect of Turbo Coding on OFDM Transmission to Improve BER
Feb 2012
A model of Turbo code based on OFDM (Orthogonal Frequency Division Multiplexing) is proposed in this paper. Orthogonal Frequency Division Multiplexing (OFDM) has become a popular modulation method...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Performance Improvement of Wireless Mobile by DSR
Feb 2012
To achieve this one has to concentrate on the routing protocol. Transmission Control Protocol (TCP) is the dominating end-to-end transport layer protocol which provides secure and reliable data...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Efficient Remote Storage for Mobile Device
Feb 2012
To provide the file storage space on remote server and to access the file from mobile device when ever required is one of the challenging task. The ability to access remote file storage from...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Review Study of Routing Protocols and Versatile Challenges of MANET
Feb 2012
MANET is collection of mobile devices form a self-creating, self-organizing and self-administering wireless networks or MANET is the collection of multi-hops mobiles (wireless) nodes. These are...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Increase Bandwidth for Circular Microstrip Patch Antenna
Feb 2012
In this paper a design and performance of a circularly microstrip patch antenna, for the application in Wireless Local Area Network (WLAN), are reported here. The antenna is a proximity coupled...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
A New Congestion Control Algorithm for High Speed Networks
Feb 2012
Now-a-days, more and more applications require fast transfer of massive data over networks, and the emergence of high-speed networks provide an ideal solution to this challenge. Due to the...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Performance Evaluation of the PHY & MAC for WLAN Systems and Efficiency Improvement by Application of Convolution Codes
Oct 2011
This Paper describes the performance Evaluation of PHYsical layer (PHY) in WLAN System. A MATLAB simulation is carried out on WLAN baseband processor/transceiver. Orthogonal Frequency Division...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
An Integrated Encryption Scheme Used in Bluetooth Communication Mechanism
Oct 2011
To improve the security level of data Transmission in Bluetooth communication, An Integrated Encryption Scheme algorithm based on IDEA, RSA and MD5 is proposed. The currently hybrid encryption...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Balance Key Algorithm for Uniform Coverage in Heterogeneous Wireless Sensor Network
Oct 2011
The deployment of Wireless Sensor Network is becoming more common in a wide range of environments. Many applications that make use of Wireless Sensor Networks require secure communication. The...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
An Improved Version of Binomial Heap to Upgrade Network Optimization
Oct 2011
Applications of network optimization algorithms can be found in computer networks where routers must be able to find optimal routes over an often vast and dynamic network topology. Obviously it is...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Implementation of Intelligent Polling System Using GSM Mobile
Oct 2011
An E-voting, Electronic voting systems, also known as Personal Response Systems (PRS), Audience Response Systems (ARS) or Classroom Communication Systems (CCS) use handsets as transmitter if the...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Dynamic Memory Scheduling Using FPGA
Oct 2011
The new portable embedded applications such as media processors, where computation complexity is astronomical. Data transfers & huge number of memory accesses creates borderline for computational...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Performance Optimization in Ad-hoc Networks
Oct 2011
A Mobile Ad-hoc NETwork (MANET) is a collection of mobile nodes which communicate over radio. Mobile ad hoc networks are infrastructure-free, pervasive, ubiquitous and without any centralized...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Adaptive Optimised Approach for Image Denoising for SDR Implementation in Cognitive Radio
Oct 2011
Wireless Communication today is heading towards dynamic spectrum allocation technology i.e. Cognitive Radio (CR). Increased demand over the usable spectrum has left no alternative than CR for...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
Performance Analysis of Ad-Hoc Network Under Node Failure
Nov 2011
In this paper, an attempt has been made to analyze and compare the performance of the reactive as well as proactive ad-hoc routing protocols using OPNET modeler with respect to increasing number...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
VHDL Modeling of Wi-Fi MAC Layer for Receiver
Oct 2011
In this paper, the authors use IEEE 802.11 standard for Wi-Fi MAC receiver module, for the wireless communication in radio frequency range. Wi-Fi wireless fidelity for LAN is designed for local...
Provided by International Journal of Computer Technology and Electronics Engineering
-
Whitepapers
A Two-Dimensional Geometry-Based Stochastic Model
Jul 2011
In this paper, the problem of deriving the Power Angular Scattering Response (PASR) resulting from a Gaussian scatterer distribution is undertaken. Differently from previous work, the scatter...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Social-Aware Forwarding Improves Routing Performance in Pocket Switched Networks
Aug 2011
The authors study and characterize social-aware forwarding protocols in opportunistic networks and they derive bounds on the expected message delivery time for two different routing protocols,...
Provided by Springer Science+Business Media
-
Whitepapers
Review of Solutions for Securing the Vehicular Networks
Sep 2011
The successful introduction of vehicular communication has to posses the design of robust security architecture that should be able to cope with security threats. Ad hoc networks are a new...
Provided by International Journal of Computer Technology and Applications
-
Whitepapers
Design Evaluation System With Visualization and Interaction of Mobile Devices Based on Virtual Reality Prototypes
Dec 2008
In this paper, the authors present a design evaluation system with visualization and interaction of mobile devices using virtual-reality-based prototypes which can be used to easily change design...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Simulation Models for Investigation of Multiuser Scheduling in MIMO Broadcast Channels
Dec 2008
Spatial correlation is a result of insufficient antenna spacing among multiple antenna elements, while temporal correlation is caused by Doppler spread. This paper compares the effect of spatial...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Efficient LDPC-Based, Threaded Layered Space-Time-Frequency System With Iterative Receiver
Dec 2008
The authors present a Low-Density Parity-Check (LDPC)-based, threaded layered space-time-frequency system with emphasis on the iterative receiver design. First, the Unbiased Minimum...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Semijoin-Based Spatial Join Processing in Multiple Sensor Networks
Dec 2008
This paper presents an energy-efficient spatial join algorithm for multiple sensor networks employing a spatial semijoin strategy. For optimization of the algorithm, the authors propose a GR-tree...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Model Adaptation Using Discriminative Noise Adaptive Training Approach for New Environments
Dec 2008
A conventional environment adaptation for robust speech recognition is usually conducted using transform-based techniques. Here, the authors present a discriminative adaptation strategy based on a...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Spectral Efficiency of WRAN Spectrum Overlay in the TV White Space
Dec 2008
In this paper, the authors investigate the spectral efficiency of IEEE 802.22 Wireless Regional Area Network (WRAN) spectrum overlay when it is used in TV white space. Since 2004, when the FCC...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Differential Dual-Frequency Antenna for Wireless Communication
Oct 2008
A novel differential dual-frequency antenna using proximity coupling is proposed. Dual bands are realized by a slot in the ground plane. The lower resonant frequency is controlled by the slot in...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Measurement of a Customer Satisfaction Index for Improvement of Mobile RFID Services in Korea
Oct 2008
One of the ubiquitous technology fields that have received the most attention recently from technology communities worldwide is mobile radio frequency identification (RFID). Mobile handsets loaded...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Cross-Layer Cooperative Scheduling Scheme for Multi-Channel Hybrid Ubiquitous Sensor Networks
Oct 2008
The multi-scenario topology of multi-channel hybrid Ubiquitous Sensor Networks (USNs) is studied and a novel link auto-diversity cross-layer cooperative scheduling scheme is proposed in this...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Dual Addressing Scheme in IPv6 Over IEEE 802.15.4 Wireless Sensor Networks
Oct 2008
This paper proposes a Dual Addressing Scheme (DAS) for IPv6 over IEEE 802.15.4 Wireless Sensor Networks (WSN). DAS combines a global unicast address to cope with association link changes and node...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
COSMOS: A Middleware for Integrated Data Processing Over Heterogeneous Sensor Networks
Oct 2008
With the increasing need for intelligent environment monitoring applications and the decreasing cost of manufacturing sensor devices, it is likely that a wide variety of sensor networks will be...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
A Low-Voltage High-Performance CMOS Feedforward AGC Circuit for Wideband Wireless Receivers
Oct 2008
Wireless communication systems, such as WLAN or Bluetooth receivers, employ preamble data to estimate the channel characteristics, introducing stringent settling-time constraints. This makes the...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
A Heuristic Method for Channel Allocation and Scheduling in an OFDMA System
Oct 2008
In this paper, a heuristic channel allocation and scheduling scheme is proposed. By comparing the size of the alternative-factor assessment, which is obtained by simple calculation, the authors...
Provided by Electronics and Telecommunication Research Institute
-
Whitepapers
Feature Compensation Combining SNR-Dependent Feature Reconstruction and Class Histogram Equalization
Oct 2008
In this paper, the authors propose a new histogram equalization technique for feature compensation in speech recognition under noisy environments. The proposed approach combines a...
Provided by Electronics and Telecommunication Research Institute
