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IARIA
(743 results)-
White Papers
Cooperative Vehicle Information Delivery Scheme for ITS Networks With OFDM Modulation Techniques
July 11, 2011, 12:00am PDT
Vehicular Ad hoc NETworks (VANETs) are new technologies that offer many opportunities to wide range interesting services. Safe driving applications in Intelligent Transport System (ITS) are major...
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White Papers
An Adaptive Mechanism for Access Control in VANETs
July 11, 2011, 12:00am PDT
VANETs have the ability to transmit various types of information between a vehicle and another, or between a vehicle and a fixed station. However, transmission may be impaired due to long delays,...
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White Papers
Methodology of Dynamic Architectural Adaptation for Ad Hoc Networks Operating in Disturbed Environment
July 11, 2011, 12:00am PDT
Wireless networks and particularly ad hoc networks, are gaining in speed and capacity. These advances open the way to their use in emergent, increasingly complex applications. Such networks have...
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White Papers
A Regional City Council mGovernment Case Study: Success Factors for Acceptance and Trust
July 11, 2011, 12:00am PDT
This paper is the second of a series of investigations into the key success factors for mobile government services (mGovernment) in Australia, Jordan and the United Arab Republic. The case study...
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White Papers
Evaluation of Buffer Size for Middleware Using Multiple Interface in Wireless Communication
July 11, 2011, 12:00am PDT
Although a variety of wireless interfaces are available on mobile devices, they still provide only low throughput so far. When coverage areas of these different technologies overlap, mobile...
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White Papers
Mobile Ad-Hoc Networks: An Experimentation System and Evaluation of Routing Algorithms
July 11, 2011, 12:00am PDT
The paper concerns the problem of path finding in wireless ad-hoc networks. Several algorithms, including metaheuristic algorithms, evolutionary algorithm and the created hybrid algorithm, are...
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White Papers
Home Automation With IQRF Wireless Communication Platform: A Case Study
July 11, 2011, 12:00am PDT
This paper describes a new wireless communication platform IQRF. In the paper is description of main features of the platform, available communication modules, gateways to other wired and wireless...
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White Papers
Secure Packet Transfer in Wireless Sensor Networks - A Trust-Based Approach
July 11, 2011, 12:00am PDT
Trust is very important in wireless sensor networks to transfer the data from source to destination. The Dynamic Source Protocol calculates the alternate path, if any node fails to transfer the...
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White Papers
Adaptive Techniques for Elimination of Redundant Handovers in Femtocells
July 11, 2011, 12:00am PDT
Dense deployment of femtocells in mobile wireless networks can significantly increase the amount of handover initiations. This paper analyzes new approach to elimination of redundant handovers....
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White Papers
Reconfigurable Tactical Impulse Radio UWB for Communication and Indoor Localization
July 11, 2011, 12:00am PDT
The paper is focused on the design of a new reconfigurable tactical UWB impulse radio enabling indoor communication and localization for military application. The proposed system contains both a...
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White Papers
CQI Reporting Imperfections and Their Consequences in LTE Networks
July 11, 2011, 12:00am PDT
In modern wireless networks, the signal quality in wireless channel is estimated based on the channel quality measurements. The measurement results are used to select appropriate modulation and...
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White Papers
HyRA: A Software-Defined Radio Architecture for Wireless Embedded Systems
July 11, 2011, 12:00am PDT
Traditional Software-Defined Radio (SDR) architectures cannot go with the requirements of embedded systems, specially in terms of performance and power consumption. Low-power FPGAs now reaching...
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White Papers
Sensors Deployment Strategies for Rescue Applications in Wireless Sensor Networks
July 11, 2011, 12:00am PDT
Wireless Sensor networks (WS's) become a major tool for various security and surveillance applications to detect and monitor environmental changes, to control vehicle traffic, etc. For all these...
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White Papers
UHF-RFID-Based Localization Using Spread-Spectrum Signals
July 11, 2011, 12:00am PDT
Determining the range between RFID tags and readers, particularly in the UHF region, is subject of current research topics. This paper presents a simulation-based approach, using spread-spectrum...
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White Papers
An Error Reduction Algorithm for Position Estimation Systems Using Transmitted Directivity Information
July 11, 2011, 12:00am PDT
The authors consider a position estimation system for tar-gets that exist in near wide area. The system has multiple sensors and estimates position using multiple receivers. Previously, receivers...
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White Papers
A Dynamic Bandwidth Allocation Scheme for Interactive Multimedia Applications Over Cellular Networks
July 11, 2011, 12:00am PDT
Cellular networks played key role in enabling high level of bandwidth for users by employing traditional methods such as guaranteed QoS based on application category at radio access stratum level...
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White Papers
Distributed TDMA MAC Protocol With Source-Driven Combined Resource Allocation in Ad Hoc Networks
July 11, 2011, 12:00am PDT
MAC protocols for multimedia traffic transmission in mobile ad hoc networks have been studied steadily. It is still challenging to design an efficient protocol due to limited resource and...
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White Papers
Loss Differentiation and Recovery in TCP Over Wireless Wide-Area Networks
July 11, 2011, 12:00am PDT
The increasing speed and coverage of Wireless Wide Area Networks (WWAN) has made technologies such as GPRS, UMTS, or HSDPA a popular way to access the Internet for both mobile and stationary...
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White Papers
By Use of Frequency Diversity and High Priority in Wireless Packet Retransmissions
July 11, 2011, 12:00am PDT
In Orthogonal Frequency Division Multiple Access (OFDMA) systems, the delay of packets has a great impact on Quality of Service (QoS), especially for real-time transmission. The basic concept of...
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White Papers
Kernel Monitor of Transport Layer Developed for Android Working on Mobile Phone Terminals
July 11, 2011, 12:00am PDT
In recent years, with the rapid growth of smart phone market, Android is drawing an attention as software platform of embedded system, used as a personal digital assistance developed by Google....
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White Papers
Path Selection in WiMAX Networks With Mobile Relay Stations
July 11, 2011, 12:00am PDT
Introduction of mobile relays into networks based on IEEE 802.16 standard brings new challenges. The paper proposes signaling mechanism for acquisition of channel state information for mobile...
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White Papers
Planning With Joint Clustering in Multi-Hop Wireless Mesh and Sensor Networks
July 11, 2011, 12:00am PDT
Wide spread deployment of wireless mesh networks for broadband access requires careful deployment and planning in terms of laying down the network infrastructure. Deploying such networks comes...
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White Papers
Anomaly Detection Framework for Tracing Problems in Radio Networks
July 11, 2011, 12:00am PDT
This paper shows a novel concept of using diffusion maps for dimensionality reduction when tracing problems in 3G radio networks. The main goal of the paper is to identify abnormally behaving base...
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White Papers
A New Path Failure Detection Method for Multi-Homed Transport Layer Protocol
July 11, 2011, 12:00am PDT
Through its support for multi-homing, the Stream Control Transmission Protocol (SCTP) is a suitable solution to implement and manage user's mobility by abstracting multiple physical paths into a...
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White Papers
A Mechanism for Semantic Web Services Discovery in Mobile Environments
July 11, 2011, 12:00am PDT
This paper describes SeMoSD (Semantic Mobile Service Discovery), a mechanism for discovery of services in mobile environments based on web services technology. The service discovery mechanism was...
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White Papers
Towards Efficient Energy Management: Defining HEMS, AMI and Smart Grid Objectives
July 11, 2011, 12:00am PDT
Energy consumption has increased considerably in the recent years. The way to reduce and make energy consumption more efficient has become of great interest for researchers. One of the research...
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White Papers
Scalability of Distributed Dynamic Load Balancing Mechanisms
July 11, 2011, 12:00am PDT
A load balancing mechanism for large-scale systems should be distributed and dynamic in order to accomplish scalability and high availability. Also, it should be autonomic in order to ease network...
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White Papers
Moving to the Cloud: New Vision Towards Collaborative Delivery for Open-IPTV
July 11, 2011, 12:00am PDT
This paper provides a short description and visions about the convergence network architecture for an Open-IPTV model based Cloud. Also, it counts the benefits which derived from adoption of this...
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White Papers
Half-Band FIR Filters for Signal Compression
July 11, 2011, 12:00am PDT
An efficient design of equiripple half-band FIR filters for signal compression is presented. Solution of the approximation problem in terms of generating function and zero phase transfer function...
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White Papers
Comb Filters for Communication Technology
July 11, 2011, 12:00am PDT
An extension of the design of digital equi-ripple comb FIR filters is presented. The authors introduce the fifth type of comb FIR filter which complements the existing four standard types. The...
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White Papers
Outage Performance Analysis of Alamouti STBC in Backward Link for Wireless Cooperative Networks
July 11, 2011, 12:00am PDT
In this paper, the authors propose a cooperative diversity scheme to improve the end-to-end outage performance via Alamouti space-time block coding with two transmit antennas at a source node in a...
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White Papers
Exact Error Probabilities Analysis of Arbitrary 2-D Modulation-OFDM Systems With I/Q Imbalances in Frequency-Flat Rayleigh Fading Channel
July 11, 2011, 12:00am PDT
In-phase and Quadrature (I/Q) amplitude and phase imbalances are inevitably caused by signal processing in the analog components such as I/Q mixers, phase shifters, filters, and analog/digital...
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White Papers
Layer Optimization for DHT-Based Peer-to-Peer Network
July 11, 2011, 12:00am PDT
Hierarchical architecture has been found to facilitate effective search in P2P network and ensure system scalability in P2P application deployment. However, the lack of appropriate size ratio of...
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White Papers
A Security Analysis of a P2P Incentive Mechanism for Mobile Devices
March 16, 2008, 12:00am PDT
Peer-to-peer applications are emerging into mobile devices. However, resource limitations of these devices introduce new challenges for P2P technologies. For instance, there is a need for...
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White Papers
Performance Evaluation of Split Connection Methods for Session-Based Group-Oriented Communications
July 11, 2011, 12:00am PDT
Group-oriented communication services have become more attractive due to the diversifying demands of Internet users. In these services, the bandwidth available to the link in the network is...
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White Papers
I2P Data Communication System
July 11, 2011, 12:00am PDT
As communication becomes more and more an integral part of the people day to day lives, the need to access information increases as well. Security is currently one of the most important factors to...
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White Papers
Experimental IPTV and IPv6 Extended Provisioning in a Virtual Testbed
July 11, 2011, 12:00am PDT
The increasing interest in Internet Protocol TeleVision (IPTV) and Internet Protocol Version 6 (IPv6) has driven the need to find a solution to run IPTV and IPv6 outside of a normal public access...
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White Papers
Analysis of the Implementation of Utility Functions to Define an Optimal Partition of a Multicast Group
July 11, 2011, 12:00am PDT
As the optimal use of network resources is a major issue for telecoms operators, the authors started works aiming to, firstly, improve the utilization of network resources by transmitting the IP...
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White Papers
A Survey on Robust Wireless JPEG 2000 Images and Video Transmission Systems
July 11, 2011, 12:00am PDT
This paper proposes a survey of robust wireless JPEG 2000 images and video transmission systems. The performance of the presented systems is discussed and compared both in terms of time...
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White Papers
Analysis of Reliable and Scalable Video-On-Demand Networks
July 11, 2011, 12:00am PDT
Various architectures have been proposed and implemented to handle the rapid growth in demand for video delivering technologies. This paper implements and thoroughly examines various...
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White Papers
Design Patterns for a Systemic Privacy Protection
June 28, 2010, 12:00am PDT
This paper shows that existing privacy enhancing technologies and the state-of-the-art in research on the field of privacy protection has grew to a considerable maturity up to date, yet privacy...
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White Papers
Security Analysis of Private Data Enquiries in Erlang
June 28, 2010, 12:00am PDT
Privacy is an issue of increasing concern to the Internet user. To ensure the continued success of distributed information systems, a reliable information flow must be established in certified but...
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White Papers
Enhancing Information Reliability Through Backwards Propagation of Distrust
June 28, 2010, 12:00am PDT
Search Engines have greatly influenced the way the people experience the web. Since, the early days of the web people have been relying on search engines to find useful information. However, their...
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White Papers
Business Intelligence Based Malware Log Data Analysis as an Instrument for Security Information and Event Management
June 28, 2010, 12:00am PDT
Enterprises face various risks when trying to achieve their primary goals. In regard to the information infrastructure of an enterprise, this leads to the necessity to implement an integrated set...
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White Papers
Distributed GIS Approach for Flood Risk Assessment
June 28, 2010, 12:00am PDT
Web-based Geographic Information Systems (WbGIS) provides key decision support capabilities for the disaster and emergency management community. Perspective visualization and simultaneous access...
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White Papers
Security and User Aspects in the Design of the Future Trusted Ambient Networked Systems
June 28, 2010, 12:00am PDT
Research visions of ambient computing promise seamless co-existence of technology and user in such a way that the environment adapts to user context. This adaptivity also means more extensive...
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White Papers
A Holistic Approach to Open Source VoIP Security: Results From the EUX2010SEC Project
June 28, 2010, 12:00am PDT
The paper describes the approach and preliminary results from the research project EUX2010SEC. The project works closely with Voice over IP (VoIP) companies and users. The project aims at...
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White Papers
Self-Healing and Secure Adaptive Messaging Middleware for Business-Critical Systems
September 5, 2010, 12:00am PDT
Current business-critical systems have stringent requirements for the significant and measurable increase in the end-to-end intelligence, security, scalability, self-adaptation and resilience....
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White Papers
Performance Analysis of Time Synchronization Protocols in Wireless Sensor Networks With Regular Topologies
September 5, 2010, 12:00am PDT
Time synchronization in wireless sensor networks is an essential issue in their operation. The synchronization is deeply influenced by network size and complexity. System dynamics and algebraic...
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White Papers
A Survey of Software Tools for the Creation of Networked Testbeds
September 5, 2010, 12:00am PDT
The development of testbeds for networking research has been driven by the need for experimentation with complex systems, like the Internet, that simplistic simulators fail to reproduce. Recently,...
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White Papers
Security for the Smart Grid - Enhancing IEC 62351 to Improve Security in Energy Automation Control
April 2, 2011, 12:00am PDT
Information security has gained tremendous importance for energy distribution and energy automation systems over the last years. Security for the smart grid is crucial to ensure reliability and...
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White Papers
An Holistic Approach to Public/Private - Key Based Security in Locator/Identifier - Split Architectures
April 2, 2011, 12:00am PDT
Network security has become an essential business requirement over the past few years. As this demand will increase even more in the future, researchers agree that security must be a key element...
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White Papers
Workshop-Based Security Safeguard Selection With AURUM
April 2, 2011, 12:00am PDT
Organizations are increasingly exposed to manifold threats concerning the security of their valuable business processes. Due to the increasing damage potential, decision makers are permanently...
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White Papers
ASPF: A Policy Administration Framework for Self-Protection of Large-Scale Systems
April 2, 2011, 12:00am PDT
Despite its potential to tackle many security challenges of large-scale systems such as pervasive networks, self-managed protection has been little explored. This paper addresses the problem from...
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White Papers
Integrating Future High End Computing and Information Systems Using a Collaboration Framework Respecting Implementation, Legal Issues, and Security
April 2, 2011, 12:00am PDT
This paper gives an extended overview of challenges creating complex integrated information and computing systems. It covers implementation, legal, and security issues with these processes and how...
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White Papers
Enhancing Law Modeling and Analysis: Using BPR-Based and Goal-Oriented Frameworks
April 2, 2011, 12:00am PDT
Legal documents contain regulations and principles at different levels of abstraction. They constitute rich sources of information for Public Administrations (PA) redesign and eventually for the...
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White Papers
Touch'n Trust: An NFC-Enabled Trusted Platform Module
September 15, 2011, 12:00am PDT
Instant and ubiquitous access to devices such as public terminals raises several security concerns in terms of confidentiality and trust. While Trusted Computing introduces advanced security...
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White Papers
Evaluating Quality of Chaotic Pseudo-Random Generators. Application to Information Hiding
September 15, 2011, 12:00am PDT
Guaranteeing the security of information transmitted through the Internet, against passive or active attacks, is a major concern. The discovery of new pseudo-random number generators with a strong...
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White Papers
Genomics-Based Security Protocols: From Plaintext to Cipherprotein
September 15, 2011, 12:00am PDT
The evolving nature of the internet will require continual advances in authentication and confidentiality protocols. Nature provides some clues as to how this can be accomplished in a distributed...
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White Papers
Security Test Approach for Automated Detection of Vulnerabilities of SIP-Based VoIP Softphones
September 15, 2011, 12:00am PDT
Voice over Internet Protocol based systems replace phone lines in many scenarios and are in wide use today. Automated security tests of such systems are required to detect implementation and...
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White Papers
An Adaptive and Dependable Distributed Monitoring Framework
September 15, 2011, 12:00am PDT
This paper discusses several relevant aspects of performing monitoring in the context of software-intensive systems. The focus is especially on cases where the observed system is distributed, and...
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White Papers
Advanced Policies Management for the Support of the Administrative Delegation in Federated Systems
September 15, 2011, 12:00am PDT
Current identity management systems are experiencing an increasing workload of their administrators in the management of the system policies, mainly derived from the sheer amount of policies they...
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White Papers
Tailored Concepts for Software Integrity Protection in Mobile Networks
September 15, 2011, 12:00am PDT
This paper presents research results on SW security for network elements. The authors' investigations contribute to the ongoing ASMONIA project, which is focusing on collaborative approaches and...
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White Papers
PIGA-HIPS: Protection of a Shared HPC Cluster
September 15, 2011, 12:00am PDT
Protecting a shared High Performance Computing cluster is still an open research problem. Existing solutions deal with sand-boxing and Discretionary Access Control for controlling remote...
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White Papers
Verification of Detection Methods for Robust Human Tracking System
September 15, 2011, 12:00am PDT
Much recent research is concerned with overcoming limitations of existing video surveillance systems, particularly for use in automatic human tracking systems. This paper presents detection...
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White Papers
Putting Theory Into Practice: The Results of a Practical Implementation of the Secure Development Life Cycle
September 15, 2011, 12:00am PDT
Software engineering is defined as a discipline concerned with all aspects of software production from inception to the evolution of a system. It has often been referred to as the...
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White Papers
Fault Tolerance Framework Using Model-Based Diagnosis: Towards Dependable Business Processes
September 15, 2011, 12:00am PDT
Several reports indicate that one of the most important business priorities is the improvement of business and IT management. Management and automation of business processes have become essential...
Provided by IARIA
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White Papers
Role of User Profile in Cloud-Based Collaboration Services for Innovation
September 15, 2011, 12:00am PDT
Enterprises are evolving their businesses from silo-based knowledge to collaborative-based knowledge by promoting open innovation through collaboration in to their technology infrastructure....
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White Papers
Connecting the Unconnected
August 17, 2011, 12:00am PDT
Many new cell phones on the market come with 802.11 enabled, along with standard Bluetooth functionality. A large percentage of working class people in South Africa typically cannot afford 802.11...
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White Papers
TenDoc: Network Coding-Based Software for Wireless Ad Hoc Networks
August 17, 2011, 12:00am PDT
This paper builds upon previous studies that highlight the benefits of Network Coding for all too all traffic patterns. This is the case within the framework of an Optimized Link State Routing...
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White Papers
Design and Implementation of a Cooperative Protocol for Extending Coverage in Wireless Mesh Networks
August 17, 2011, 12:00am PDT
Wireless Mesh Networks (WMNs) have attracted great attention in the last few years because of their advantages over traditional wireless networks. WMNs can be seen as a mixture of ad hoc and...
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White Papers
Performance Evaluation of Handover Policies in Mobile Heterogenous Networks
August 17, 2011, 12:00am PDT
The increasingly ubiquitous deployment of wireless networks together with efforts to complete the standardization of Media Independent Handover (MIH) will support the 4G (Fourth Generation) vision...
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White Papers
A MAC Throughput Over Rayleigh Fading Channel in the 802.11a/g/n-Based Mobile LAN
August 17, 2011, 12:00am PDT
This paper explores a MAC (Medium Access Control) layer throughput with DCF (Distributed Coordination Function) protocol in the IEEE 802.11a/g/n-based mobile LAN. It is evaluated in Rayleigh...
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White Papers
Performance Analysis of Pilot Aided OFDMA Systems for Mesh Networks
August 17, 2011, 12:00am PDT
This paper presents a systematic approach for analyzing the bit error probability of pilot aided Orthogonal Frequency-Division Multiple Access (OFDMA) systems. A comparative analysis with the...
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White Papers
A Density Based Clustering Algorithm for Efficient Channel Allocation in Multi-Radio Multi-Channel Wireless Mesh Networks
August 17, 2011, 12:00am PDT
Efficient channel selection is essential in 802.11 mesh deployments, for minimizing contention and interference among co-channel devices. The IEEE 802.11 standard provides at least three...
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White Papers
Revisiting the Requirements Communication Problem From a Knowledge Management Perspective
October 19, 2011, 12:00am PDT
The communication problem between stakeholders in requirements engineering is well known. It is typically attributed to stakeholders having different background and domain knowledge and,...
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White Papers
Software Quality Assessment and Error/Defect Identification in the Italian Industry Preliminary Results From a State of the Practice Survey
October 19, 2011, 12:00am PDT
In this paper, the authors present the results of a survey aimed at comprehending the relevance and the typology of the software quality assessment approaches and software error/defect...
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White Papers
Success Factors Leading to the Sustainability of Software Process Improvement Efforts
October 19, 2011, 12:00am PDT
Despite the fact that many software organizations put a lot of effort into software process improvement, they still do not always succeed in sustaining the improvement results. The authors believe...
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White Papers
Effective Task Allocation in Distributed Environments: A Traceability Perspective
October 19, 2011, 12:00am PDT
Task allocation or work assignment in Distributed Environments is a challenging task due to intricate dependencies between distributed sites and fundamental requirement of multifarious...
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White Papers
A Metamodel for Representing Safety LifeCycle Development Process
October 19, 2011, 12:00am PDT
Metamodeling process supports the effort of creating flexible process models. The purpose of process models is to document and communicate processes and to enhance the reuse of processes. Thus,...
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