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National University of Computer and Emerging Sciences
(589 results)-
White Papers
Effective Link Operation Duration: A New Routing Metric for Mobile Ad Hoc Networks
July 19, 2007, 12:00am PDT
The dynamic topology of Mobile Ad hoc NETworks (MANETs) is caused by node mobility and fading of the wireless link. Link reliability is often measured by the estimated lifetime and the stability...
Provided by Australian National University
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White Papers
Indoor Localization Using Multiple Wireless Technologies
January 1, 2011, 12:00am PST
Indoor localization techniques using location fingerprints are gaining popularity because of their cost-effectiveness compared to other infrastructure-based location systems. However, their...
Provided by National University of Singapore
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White Papers
A Nonextensive Method for Spectroscopic Data Analysis With Artificial Neural Networks
January 16, 2009, 12:00am PST
This paper applies an evolving stochastic method to construct simple and effective Artificial Neural Networks, based on the theory of Tsallis statistical mechanics. The aim is to establish an...
Provided by National University Of Ireland
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White Papers
Extending BAN Logic for Reasoning With Modern PKI-Based Protocols
August 1, 2008, 12:00am PDT
BAN Logic is a well-known authentication logic which, despite other more recent logics and formal methods, remains popular with many protocol designers. BAN Logic however does not properly deal...
Provided by National University of Singapore School of Business
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White Papers
Rule-Based Defense Mechanism Against Distributed Denial-of-Service Attacks
July 4, 2008, 12:00am PDT
Since the number of damage cases resulting from Distributed Denial-of-Service (DDoS) attacks has recently been increasing, the need for agile detection and appropriate response mechanisms against...
Provided by Chungnam National University
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White Papers
Associating the Authentication and Connection-Establishment Phases in Passive Authorization Techniques
July 4, 2008, 12:00am PDT
Port Knocking and Single Packet Authorization (SPA) are passive authorization techniques that provide firewall-level authentication to ensure authorized access to potentially vulnerable network...
Provided by National University of Science and Technology
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White Papers
RFID Middleware Evaluation Toolkit Based on a Virtual Reader Emulator
May 31, 2009, 12:00am PDT
RFID middleware is required and applied in various RFID environments. It spends too much cost and human resource for test function of RFID middleware to install RFID infrastructures in real RFID...
Provided by Pusan National University
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White Papers
Extension of RFID Middleware for Active Sensor Tags
May 31, 2009, 12:00am PDT
RFID of the wire frequency receives the most attention as main technology for making ubiquitous computing. The first RFID development concentrated on the tags attached on the something and...
Provided by Pusan National University
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White Papers
QoS Management for Wireless Sensor Networks With a Mobile Sink
November 24, 2008, 12:00am PST
The problem of configuration of Wireless Sensor Networks is an interesting challenge. The objective is to find the settings, for each sensor node, that optimise certain task-level QoS metrics. An...
Provided by National University of Singapore School of Business
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White Papers
MAC-Aware Routing Metric for 802.11 Wireless Mesh Networks
August 11, 2009, 12:00am PDT
It developed a new wireless link quality metric, ECOT (Estimated Channel Occupancy Time) that enables a high throughput route setup in wireless mesh networks. The key feature of ECOT is being...
Provided by Seoul National University
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White Papers
Novel Symbol-Wise ML Decodable STBC for IEEE 802.16e/m Standard
June 18, 2009, 12:00am PDT
This paper is novel real symbol-wise ML decodable STBCs with balanced information distribution per codeword are constructed systemically for arbitrary number of transmit antennas. Compared with...
Provided by National University of Defense Technology
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White Papers
Angle Gap (AG) Based Grouping Algorithm for Multi-Mobile Agents Itinerary Planning in Wireless Sensor Networks
October 27, 2009, 12:00am PDT
Compared to the conventional Wireless Sensor Networks (WSNs), Mobile Agent (MA) systems provide new capabilities for energy-efficient data dissemination by flexibly planning its itinerary for...
Provided by Seoul National University
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White Papers
Adaptive Congestion Control Scheme Based on DCCP for Ubiquitous Computing
September 22, 2008, 12:00am PDT
This paper proposes an adaptive congestion control scheme to control network congestion due to mobility of devices on ubiquitous computing environment. Significantly, this scheme includes a new...
Provided by Pusan National University
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White Papers
Algorithm for Text Hiding in Digital Image for Information Security
June 1, 2009, 12:00am PDT
The mass diffusion of digital communication needs the special means of security. Cryptography concentrates on rendering the message unreadable to any unauthorized persons who might intercept them....
Provided by Irbid National University
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White Papers
The Implementation of a Wireless Electroencephalogram Information System Using WLAN
March 4, 2008, 12:00am PST
Recent technological advances in sensors and wireless communications have enabled the design of inexpensive, portable and intelligent physiological sensor nodes for healthcare or patient...
Provided by Pusan National University
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White Papers
Using SDR to Embed WiMAX Channels Within the Tetra Framework
June 13, 2008, 12:00am PDT
Off late there has been a move to increase the data capabilities of TErrestrial Trunked Radio (TETRA) so as to provide secure broadband data capabilities. An initial enhancement (TETRA Enhanced...
Provided by National University Of Ireland
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White Papers
An Energy-Aware Aggregation Tree Scheme in Sensor Networks
June 2, 2008, 12:00am PDT
This paper presents a routing scheme for wireless sensor networks. It uses an aggregation tree for sending the data from the sensor node to the base station. For an energy efficient operation of...
Provided by Seoul National University
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White Papers
Game-Theoretic Model for Collaborative Protocols in Selfish, Tariff-Free, Multihop Wireless Networks
June 30, 2007, 12:00am PDT
Traditional networks are built on the assumption that network entities cooperate based on a mandatory network communication semantic to achieve desirable qualities such as efficiency and...
Provided by National University of Singapore School of Business
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White Papers
Security Engine Management of Router Based on Security Policy
June 8, 2009, 12:00am PDT
Security management has changed from the management of security equipments and useful interface to manager. It analyzes the whole security conditions of network and preserves the network services...
Provided by Chungbuk National University
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White Papers
LAST: Locality-Aware Sector Translation for NAND Flash Memory-Based Storage Systems
January 30, 2008, 12:00am PST
As flash memory technologies quickly improve, flash-memory-based storage devices are becoming a viable alternative as a secondary storage solution for general-purpose computing systems such as...
Provided by Seoul National University
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White Papers
ID/LOC Separation Network Architecture for Mobility Support in Future Internet
February 12, 2009, 12:00am PST
This paper proposes a novel network architecture for future Internet to solve both routing scalability and mobility. The proposal is based on a LISP+ALT architecture to achieve routing scalability...
Provided by Seoul National University
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White Papers
D-FOAF: Distributed Identity Management With Access Rights Delegation
March 12, 2008, 12:00am PDT
Today's WWW consists of more than just information and there are now community portals, like Orkut, that require identification of their users. This has lead to the fact that today users have to...
Provided by National University of Ireland, Galway
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White Papers
Design and Implementation of Hybrid Broadcast Authentication Protocols in Wireless Sensor Networks
January 1, 2009, 12:00am PST
A Wireless Sensor Network (WSN) is a wireless network consisting of spatially distributed resource constrained sensor nodes which can cooperatively monitor physical or environmental conditions....
Provided by National University of Defense Technology
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White Papers
A Vehicle Quota Integrated With Road Usage Pricing: A Mechanism To Complete The Phase-out Of High Fixed Vehicle Taxes In Singapore
August 23, 2008, 12:00am PDT
This expository paper suggests a way to integrate a vehicle quota with usage based charging, including road pricing. It thereby challenges assumptions that ownership control requires high fixed...
Provided by National University of Singapore School of Business
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White Papers
Fast Snd Accurate Detection Of Document Skew And Orientation
June 7, 2007, 12:00am PDT
This paper presents a document skew and orientation detection technique. The proposed technique estimates document skew and orientation based on the observation that text images normally hold a...
Provided by National University of Singapore School of Business
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White Papers
Japan's Regional Economic Integration Strategy: A Nascent And Competitive FTA Diplomacy
April 20, 2010, 12:00am PDT
In the last decade Japan has changed its restricted focus on multilateral trade for a recent pursuit of Free Trade Agreements (FTAs), which reflects a change in its policy towards economic...
Provided by National University of Singapore School of Business
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White Papers
Harnessing People Power
January 1, 2010, 12:00am PST
When resources are scarce, human capital becomes a vital resource for success. In entities where resources are scarce - such as small non-natural resource economies like Hong Kong or Singapore, or...
Provided by National University of Singapore School of Business
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White Papers
Perfect Competition And Sustainability
October 1, 2009, 12:00am PDT
Adding sustainability to the conditions of Perfect Competition (PC) results in a meaningful benchmark, especially in the context of pursuing sustainability as a policy goal. On this basis, some...
Provided by National University of Singapore School of Business
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White Papers
"Consensus Building And Value Conflicts: Lessons From CALFED"
March 1, 2009, 12:00am PST
Much has been said about the need and benefits of consensus building for resolving disagreements about water and environmental management. Less has been said about how to better convene and...
Provided by National University of Singapore School of Business
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White Papers
Financial Crisis - Climate Risks - Rescue Packages
March 1, 2009, 12:00am PST
The main theme of this column is that rescue packages aimed at resolving the financial crisis must recognize climate risks. This is because the drivers of the financial crisis are also, at least...
Provided by National University of Singapore School of Business
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White Papers
Environmental Taxes, Cumulative Pollution Loads And Fiscal Balance
February 1, 2009, 12:00am PST
A central theme in the literature on environmental taxation is the effective means of taxation. The criteria for effectiveness whilst based on the attainment of pre-specified environmental...
Provided by National University of Singapore School of Business
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White Papers
A Proposed ASEAN Disaster Response, Training And Logistic Centre
November 7, 2008, 12:00am PST
The Southeast Asian region is remarkably vulnerable to natural disasters which repeatedly cause devastations to both human lives and properties. However, current disaster relief efforts have not...
Provided by National University of Singapore School of Business
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White Papers
Economic Reform And Growth Performance: China And Vietnam In Comparison
September 30, 2008, 12:00am PDT
The paper documents three principal findings: (1) China and Vietnam are noticeably similar in their initial conditions and approaches to reform and economic management (2) the widening gap in...
Provided by National University of Singapore School of Business
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White Papers
Projecting Global Economic Growth An Information Technology Contribution-Based Approach
September 30, 2008, 12:00am PDT
This paper introduces a framework for projecting economic growth that takes into account the contribution of Information Technology. The author applies this framework to forecast the growth of...
Provided by National University of Singapore School of Business
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White Papers
The Saving Story Behind China's Trade Imbalance
May 18, 2008, 12:00am PDT
China's mounting trade surplus is an indirect outcome of its extraordinarily rapid economic growth. High growth pulls up the saving rate. And saving beyond a level that can be absorbed by domestic...
Provided by National University of Singapore School of Business
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White Papers
Trading Zones: Cooperating And Still Disagreeing On What Really Matters
January 9, 2008, 12:00am PST
Stakeholders can cooperate on water and ecosystem management and yet still disagree on what really matters. The author argue that stakeholders who are able to create "Trading zones" can reach...
Provided by National University of Singapore School of Business
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White Papers
Using ATL in a Tool-Chain to Calculate Coverage Data for UML Class Diagrams
July 15, 2010, 12:00am PDT
Typically, test suites for source code can be measured in terms of their coverage of code features, such as statement, condition or decision coverage. In the context of Model Driven Engineering...
Provided by National University Of Ireland
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White Papers
Towards Automation of LTL Verification for Java Pathfinder
December 9, 2008, 12:00am PST
Model checking is a powerful and promising technique for software verification. How-ever current model checker is not efficient enough to be used broadly in practice. One of the problem is the...
Provided by National University of Singapore
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White Papers
Joint Target Tracking and Classification Using GSM-Based Passive Radar
July 14, 2009, 12:00am PDT
Unlike classical bistatic radars, passive radars make use of illuminators of opportunity to detect targets and estimate its parameters. However, GSM-based passive radar is not appropriate to...
Provided by Andong National University
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White Papers
Optical Computing
February 9, 2009, 12:00am PST
The authors give an overview of a number of such optical computing architectures, including descriptions of the type of hardware commonly used in optical computing, as well as some of the...
Provided by National University Of Ireland
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White Papers
ELF-Miner: Using Structural Knowledge and Data Mining for Detecting Linux Malicious Executables
February 5, 2011, 12:00am PST
Linux malware can pose a significant threat - its (Linux) penetration is exponentially increasing - because little is known or understood about its vulnerabilities. The authors believe that now is...
Provided by National University of Computer and Emerging Sciences
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White Papers
In-Execution Malware Detection Using Task Structures of Linux Processes
February 10, 2011, 12:00am PST
In this paper, the authors present a novel framework - it uses the information in kernel structures of a process - to do run-time analysis of the behavior of an executing program. Their analysis...
Provided by National University of Computer and Emerging Sciences
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White Papers
A Hybrid Artificial Immune System (AIS) Model for Power Aware Secure Mobile Ad Hoc Networks (MANETs) Routing Protocols
December 16, 2010, 12:00am PST
Securing ad hoc routing protocols for MANETs is a significant challenge due to number of reasons: mobility results in continuously changing network topology - the premise of stable self or...
Provided by National University of Sciences and Technology
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White Papers
Whole Packet Forwarding: Efficient Design of Fully Adaptive Routing Algorithms for Networks-on-Chip
January 6, 2012, 12:00am PST
Routing algorithms for Networks-on-Chip (NoCs) typically only have a small number of Virtual Channels (VCs) at their disposal. Limited VCs pose several challenges to the design of fully adaptive...
Provided by National University of Defense Technology
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White Papers
NetTopo: A Framework of Simulation and Visualization for Wireless Sensor Networks
October 30, 2008, 12:00am PDT
Network simulators are necessary for testing algorithms of large scale Wireless Sensor Networks (WSNs), but lack the accuracy of real-world deployments. Deploying real WSN testbed provides a more...
Provided by National University Of Ireland
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White Papers
A Hierarchical Semantic Overlay for P2P Search
September 26, 2006, 12:00am PDT
In this paper, the authors propose a hierarchical semantic overlay network for searching heterogeneous data over wide-area networks. In this system, data are represented as RDF triples based on...
Provided by National University of Singapore
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White Papers
A Semantic P2P Framework for Building Context aware Applications in Multiple Smart Spaces
August 21, 2007, 12:00am PDT
Context information has emerged as an important resource to enable autonomy and flexibility of ubiquitous applications. The widespread use of context information necessitates an efficient lookup...
Provided by National University of Singapore
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White Papers
A Two-Tier Semantic Overlay Network for P2P Search
May 22, 2007, 12:00am PDT
This paper proposes a two-tier semantic peer-to-peer network that facilitates efficient search for context information in wide-area networks. Context data with the same semantics are grouped...
Provided by National University of Singapore
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White Papers
Four-Node Relay Network With Bi-Directional Traffic Employing Wireless Network Coding With Pre-Cancellation
February 18, 2008, 12:00am PST
Network coding has the potential to improve the overall throughput of a network by combining different streams of data and forwarding them. In wireless networks, the wireless channel provide an...
Provided by National University of Singapore
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White Papers
Block-Orthogonal Space-Time Codes With Decoding Complexity Reduction
March 31, 2010, 12:00am PDT
Conventional approaches to high-rate Space-Time Codes (STC) design focus on achieving maximum diversity and spatial multiplexing gains, hence they always have high decoding complexity. In this...
Provided by National University of Defense Technology
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White Papers
Channel Allocation in a Multiple Distributed Vehicular Users Using Game Theory
February 25, 2010, 12:00am PST
In this paper, the authors look into the channel allocation problem for a non-cooperative cognitive vehicular ad-hoc communication network with multiple communicating pairs distributed spatially...
Provided by National University of Singapore
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White Papers
Fast-Group-Decodable Space-Time Block Code
August 23, 2009, 12:00am PDT
To make the implementation of high-rate STBC realistic in practical systems, group-decodable and fast-decodable code structures have been separately introduced into STBC to reduce the sphere...
Provided by National University of Defense Technology
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White Papers
Delay-Tolerant Cooperative Diversity Routing MANET
May 18, 2010, 12:00am PDT
Some Mobile Ad hoc NETworks (MANETs) such as inter-vehicle communications require a transmission scheme that is robust to mobility and asynchronous reception with low setup overhead. However, many...
Provided by National University of Defense Technology
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White Papers
Space-Time Codes With Block-Orthogonal Structure and Their Simplified ML and Near-ML Decoding
May 18, 2010, 12:00am PDT
Existing high-rate full diversity Space-Time Codes (STC) always have high decoding complexity with traditional ML (maximum-likelihood) or near-ML decoding. Hence the decoding scheme with reduced...
Provided by National University of Defense Technology
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White Papers
Fingerprint-Based Location Estimation With Virtual Access Points
May 20, 2008, 12:00am PDT
Location fingerprinting techniques generally make use of existing wireless network infrastructure. Consequently, the positions of the Access Points (APs), which constitute an integral part of a...
Provided by National University of Singapore
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White Papers
SparseTrack: Enhancing Indoor Pedestrian Tracking With Sparse Infrastructure Support
December 20, 2009, 12:00am PST
Accurate indoor pedestrian tracking has wide applications in the healthcare, retail, and entertainment industries. However, existing approaches to indoor tracking have various limitations. For...
Provided by National University of Singapore
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White Papers
SSD: A Robust RF Location Fingerprint Addressing Mobile Devices' Heterogeneity
October 15, 2011, 12:00am PDT
Fingerprint-based methods are widely adopted for indoor localization purpose because of their cost-effectiveness compared to other infrastructure-based positioning systems. However, the popular...
Provided by National University of Singapore
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White Papers
Design and Performance Evaluation of CAM-MAC for Ad Hoc Networks
November 14, 2007, 12:00am PST
The vagaries of the wireless channel and its location-dependent nature often prevent wireless networking devices from acquiring sufficient knowledge about channel status in their vicinity. This...
Provided by National University of Singapore
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White Papers
Hydra: A Massively-Multiplayer Peer-to-Peer Architecture for the Game Developer
September 20, 2007, 12:00am PDT
The authors present the design and implementation of Hydra, a peer-to-peer architecture for massively-multiplayer online games. By supporting a novel augmented server-client programming model with...
Provided by National University of Singapore
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White Papers
Offloading AI for Peer-to-Peer Games With Dead Reckoning
April 30, 2009, 12:00am PDT
In this paper, the authors study the performance of an offloaded AI agent with increasing network latencies and demonstrate that dead reckoning is effective in mitigating the observed degradation....
Provided by National University of Singapore
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White Papers
Peer NAT Proxies for Peer-to-Peer Games
November 17, 2009, 12:00am PST
Network Address Translators (NAT) are ubiquitous on the Internet and any peer-to-peer (p2p) game will almost certainly need to perform NAT traversal through such devices. The authors' experiments...
Provided by National University of Singapore
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White Papers
Improving Link Quality by Exploiting Channel Diversity in Wireless Sensor Networks
September 10, 2011, 12:00am PDT
A large percentage of links in low-power wireless sensor networks are of intermediate quality. To the best of the authors' knowledge, opportunistic exploitation is currently the only way to use...
Provided by National University of Singapore
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White Papers
Performance Analysis of MIH Based Multihoming Approach of Vertical Handover in Heterogeneous Wireless Networks
December 1, 2011, 12:00am PST
Mobility management in heterogeneous wireless networks is always considered as a challenging task in terms of interoperability, service availability and session continuity. This research proposes...
Provided by National University of Sciences and Technology
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White Papers
Method of Fare Payment based on RESTful Web Services
December 1, 2011, 12:00am PST
In this paper, the functional architecture for short messaging, payment, and account management RESTful web services was designed that enables IT developers to create applications using...
Provided by Chungnam National University
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White Papers
Proportional Fair Coding for Wireless Mesh Networks
January 18, 2012, 12:00am PST
The authors consider multi-hop wireless networks carrying unicast flows for multiple users. Each flow has a specified delay deadline, and the lossy wireless links are modelled as Binary Symmetric...
Provided by National University of Ireland, Maynooth
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White Papers
Optimal Save-Then-Transmit Protocol for Energy Harvesting Wireless Transmitters
April 5, 2012, 12:00am PDT
In this paper, the design of a wireless communication device relying exclusively on energy harvesting is considered. Due to the inability of rechargeable energy sources to charge and discharge at...
Provided by National University of Singapore
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White Papers
Wireless Information Transfer With Opportunistic Energy Harvesting
April 10, 2012, 12:00am PDT
Energy harvesting is a promising solution to prolong the operation of energy-constrained wireless networks. In particular, scavenging energy from ambient radio signals, namely Wireless Energy...
Provided by National University of Singapore
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White Papers
Throughput Optimal Policies for Energy Harvesting Wireless Transmitters With Non-Ideal Circuit Power
April 17, 2012, 12:00am PDT
Characterizing the fundamental tradeoffs for maximizing Energy Efficiency (EE) versus Spectrum Efficiency (SE) is a key problem in wireless communication. In this paper, the authors address this...
Provided by National University of Singapore
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White Papers
An Automated Test Method for Robot Platform and Its Components
July 1, 2010, 12:00am PDT
This paper presents a hierarchical test model and automated test framework for robot software components of RTC (Robot Technology Component) combined with hardware module. The hierarchical test...
Provided by Kangwon National University
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White Papers
Evaluation of VoIP Quality Over WiBro
January 24, 2008, 12:00am PST
In this paper, the authors have conducted experiments to evaluate QoS of VoIP applications over the WiBro network. In order to capture the baseline performance of the WiBro network they measure...
Provided by Chungnam National University
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White Papers
Accelerating the Final Exponentiation in the Computation of the Tate Pairings
March 2, 2012, 12:00am PST
Non-degenerate bilinear pairings have played a key role in public-key cryptography since they have been used to construct identity-based encryption schemes and one-round three-way key exchange...
Provided by Seoul National University
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White Papers
Traffic Lifetime-Aware Routing Based on Grooming Policy in a WDM Network
January 1, 2012, 12:00am PST
Routing and grooming have often been studied independently for WDM networks. However, a closer investigation shows that they are indeed closely related, and better performance can be obtained by...
Provided by National University of Singapore
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White Papers
On the Security of NMAC and Its Variants
December 2, 2011, 12:00am PST
HMAC, a derivative of NMAC, is a practically and commonly used, widely standardized MAC construction nowadays. HMAC has two advantages. First, HMAC can make use of current hash functions, the most...
Provided by National University of Defense Technology
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White Papers
Cryptanalysis of Symmetric Block Ciphers Based on the Feistel Network With Non-Bijective S-Boxes in the Round Function
December 16, 2011, 12:00am PST
The authors consider ciphertext-only attack on symmetric block ciphers based on the Feistel network with secret S-boxes installed as an additional parameter, like in Soviet GOST 28147-89. In case...
Provided by Kharkiv national university of radioelectronics
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White Papers
Cryptanalysis of a Non-Interactive Deniable Authentication Protocol Based on Factoring
March 1, 2012, 12:00am PST
A deniable authentication protocol allows a sender to transfer an authenticated message to a receiver in such a way that the receiver cannot prove to a third party about the source of the message....
Provided by National University of Sciences and Technology
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White Papers
Application of Java-Based Pointcuts in Aspect Oriented Programming (AOP) for Data Race Detection
January 31, 2012, 12:00am PST
Wide applicability of concurrent programming practices in developing various software applications leads to different concurrency errors amongst which data race is the most important. Java...
Provided by National University of Sciences and Technology
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White Papers
A Calculus for Stochastic QoS Analysis
January 1, 2012, 12:00am PST
The issue of Quality of Service (QoS) performance analysis in packet-switched networks has drawn a lot of attention in the networking community. There is a lot of work including an elegant theory...
Provided by National University of Singapore
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White Papers
Effective Link Operation Duration: A New Routing Metric for Mobile Ad Hoc Networks
July 19, 2007, 12:00am PDT
The dynamic topology of Mobile Ad hoc NETworks (MANETs) is caused by node mobility and fading of the wireless link. Link reliability is often measured by the estimated lifetime and the stability...
Provided by Australian National University
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White Papers
Risk Analysis of Inter Base-Station Dynamic Resource Sharing in IEEE- 802.22 MAC Layer Protocol
November 25, 2011, 12:00am PST
Security is always a key concern for the networks. This paper concentrates on security threats of Inter Base-station Dynamic Resource Sharing, one of the key features of IEEE-802.22. This paper...
Provided by National University of Science and Technology
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White Papers
Research on the Application of Virtual Reality in Arts Core Curricula
October 1, 2011, 12:00am PDT
Sketch is the foundation of painting. With their mental development, primary school students of middle and higher grades gradually start to yearn for the ability of expressing space in painting....
Provided by National University of Tainan
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