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National University of Singapore
(188 results)-
White Papers
Multi-Processor System-Level Synthesis for Multiple Applications on Platform FPGA
January 1, 2012, 12:00am PST
Multi-Processor Systems-on-Chip (MPSoC) are being developed in increasing numbers to support the high number of applications running on modern embedded systems. Designing and programming such...
Provided by National University of Singapore
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White Papers
CA-MPSoC: An Automated Design Flow for Predictable Multi-Processor Architectures for Multiple Applications
March 3, 2010, 12:00am PST
Future applications for embedded systems demand multi-processor designs to meet real-time deadlines. The large number of applications in these systems generates an exponential number of use-cases....
Provided by National University of Singapore
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White Papers
A Design Space Exploration Methodology for Application Specific MPSoC Design
July 21, 2011, 12:00am PDT
System designers need to perform Design-Space Exploration (DSE) to find appropriate number and type of Processing Elements (PEs) to be present in a Multi-Processor Systems-on-Chip (MPSoC) to...
Provided by National University of Singapore
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White Papers
An Area-Efficient Dynamically Reconfigurable Spatial Division Multiplexing Network-on-Chip With Static Throughput Guarantee
September 14, 2010, 12:00am PDT
With an increasing trend to implement Network-on-Chip (NoC)-based Multi-Processor Systems-on-Chips (MPSoCs), NoCs need to have guaranteed services and be dynamically reconfigurable. Many current...
Provided by National University of Singapore
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White Papers
Error Analysis for Fingerprint-Based Localization
March 2, 2010, 12:00am PST
In this paper, the authors derive the theoretical error Probability Density Function (PDF) and Region of Confidence (RoC) conditioned on the on-line signal parameter vector, for a generalized...
Provided by National University of Singapore
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White Papers
Fuzzy Extractors for Asymmetric Biometric Representations
April 28, 2008, 12:00am PDT
Fuzzy extractors are recently proposed error-tolerant cryptographic primitives that are potentially useful to protect biometric templates. However, there are challenges in adopting these...
Provided by National University of Singapore
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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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Identifying and Analyzing Pointer Misuses for Sophisticated Memory-Corruption Exploit Diagnosis
March 6, 2012, 12:00am PST
Software exploits are one of the major threats to the Internet security. A large family of exploits works by corrupting memory of the victim process to execute malicious code. To quickly respond...
Provided by National University of Singapore
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White Papers
Towards Fine-Grained Access Control in JavaScript Contexts
May 2, 2011, 12:00am PDT
A typical Web 2.0 application usually includes JavaScript from various sources with different trust. It is critical to properly regulate JavaScript's access to web application resources....
Provided by National University of Singapore
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Whitepapers
Routing and Relay Node Placement in Wireless Sensor Networks Powered by Ambient Energy Harvesting
December 29, 2008, 12:00am PST
Energy consumption is an important issue in the design of wireless sensor networks which typically rely on nonrenewable energy sources like batteries for power. Recent advances in ambient energy...
Provided by National University of Singapore
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Whitepapers
Fairness and Social Welfare in Incentivizing Participatory Sensing
May 5, 2012, 12:00am PDT
Participatory sensing has emerged recently as a promising approach to large-scale data collection. However, without incentives for users to regularly contribute good quality data, this method is...
Provided by National University of Singapore
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White Papers
DINloop Based Inter-Domain Multicast With MPLS
February 3, 2009, 12:00am PST
To overcome the existing scalability problems, DINloop (Data-In-Network loop) based multicast with MPLS (multiprotocol label switching) is proposed to optimize inter-domain multicast. In this...
Provided by National University of Singapore School of Business
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Whitepapers
CoMP Meets Energy Harvesting: A New Communication and Energy Cooperation Paradigm
March 12, 2013, 12:00am PDT
In this paper, the authors investigate joint communication and energy cooperation in cellular networks for the Coordinated Multi-Point (CoMP) downlink transmission with Base Stations (BSs) powered...
Provided by National University of Singapore
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White Papers
Schedulability Analysis of MSC-Based System Models
October 18, 2007, 12:00am PDT
Message Sequence Charts (MSCs) are widely used for describing interaction scenarios between the components of a distributed system. Consequently, worst case response time estimation and...
Provided by National University of Singapore
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White Papers
Forthcoming 2009 Journal Of Financial And Quantitative Analysis
December 1, 2009, 12:00am PST
Staleness in measured prices imparts a positive statistical bias and a negative dilution effect on mutual fund performance. First, evaluating performance with non-synchronous data generates a...
Provided by National University of Singapore
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White Papers
Evaluating Housing Supply Elasticity In Inter-City Spatial Equilibrium: Evidence From Chinese Urban Growth
January 1, 2010, 12:00am PST
The authors examine the influences of urban redevelopment costs and land-use allocation efficiency and equity on the elasticity of housing development density with respect to urban demand shocks...
Provided by National University of Singapore
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White Papers
Java Memory Model Aware Software Validation
October 1, 2008, 12:00am PDT
The Java Memory Model (JMM) provides semantics of Java multithreading for any implementation platform. The JMM is defined in a declarative fashion with an allowed program execution being defined...
Provided by National University of Singapore
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White Papers
Region Type Checking for Core-Java
January 1, 2010, 12:00am PST
Region-based memory management offers several important advantages over garbage-collected heap, including real-time performance, better data locality and efficient use of limited memory. The...
Provided by National University of Singapore
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White Papers
Question SMS - SMS Based Student Feedback System
May 19, 2010, 12:00am PDT
Classroom Response System was introduced in National University of Singapore to improve the student interaction. This system generated high level of interest among the teaching staff and students...
Provided by National University of Singapore
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White Papers
SAFE: Secure Agent Roaming for e-Commerce
August 2, 2007, 12:00am PDT
The development of the Internet has made a powerful impact on the concept of commerce. E-commerce, a new way to conduct business, is gaining more and more popularity. Despite its rapid growth,...
Provided by National University of Singapore
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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
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
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
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
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
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
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
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
"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
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
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
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
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
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
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
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
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
DINloop Based Inter-Domain Multicast With MPLS
February 3, 2009, 12:00am PST
To overcome the existing scalability problems, DINloop (Data-In-Network loop) based multicast with MPLS (multiprotocol label switching) is proposed to optimize inter-domain multicast. In this...
Provided by National University of Singapore School of Business
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White Papers
An XML-Based Data Integrity Service Model for Web Intermediaries
January 1, 2008, 12:00am PST
Recent research in active network and web intermediary services result in web contents being disassembled, transformed and recomposed in a pipelined process as they flow through the Internet. This...
Provided by National University of Singapore School of Business
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White Papers
Dagster: Contributor-Aware End-Host Multicast for Media Streaming in Heterogeneous Environment
July 12, 2007, 12:00am PDT
The paper presents Dagster, an end-host multicast scheme for delivering multimedia streams. Unlike previous schemes, Dagster does not constrain the amount of bandwidth a node must donate. Instead,...
Provided by National University of Singapore School of Business
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White Papers
Software Specification Discovery: A New Data Mining Approach
September 29, 2007, 12:00am PDT
This paper have proposed a new data mining approach, namely specification discovery, which is a process for automated extraction of software specification from program artifacts. Three separate...
Provided by National University of Singapore School of Business
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