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Institute of Electrical and Electronics Engineers
(11841 results)-
White Papers
Performance Analysis of Synchronization Frame Based Interference Mitigation in 60 GHz WPANs
May 1, 2010, 12:00am PDT
Sixty GHz radio is a promising technology due to its potential to provide multi-Gbps based data rate. It is capable to support emerging wireless multimedia applications like uncompressed high...
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White Papers
Analyzing 60 GHz Radio Links for Indoor Communications
July 6, 2010, 12:00am PDT
With the increase in the capacity of mobile communication devices, it is but natural to expect that these devices would work ubiquitously anywhere anytime to offer high data rate support. Recently...
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White Papers
Performance Analysis of Multichannel Medium Access Control Algorithms for Opportunistic Spectrum Access
July 1, 2009, 12:00am PDT
Static spectrum assignment, which has been applied to radio frequencies for almost a century, has led to a quasi-scarcity of the spectrum. Therefore, finding a new unassigned frequency slot has...
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White Papers
Quality of Service Assessment of Opportunistic Spectrum Access: A Medium Access Control Approach
January 12, 2009, 12:00am PST
Opportunistic Spectrum Access (OSA) is a promising new spectrum management approach that will allow coexistence of both licensed and opportunistic users in each spectrum band, potentially...
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White Papers
Address Autoconfiguration in Wireless Ad Hoc Networks: Protocols and Techniques
February 1, 2008, 12:00am PST
With the advent of smaller devices having higher computational capacity and wireless communication capabilities, the world is becoming completely networked. Although, the mobile nature of these...
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White Papers
FEW-PNets - A Framework for Emulation of Wireless Personal Networks
August 6, 2008, 12:00am PDT
With the advent of miniaturization and higher computing capabilities of wireless devices, there is an exponential rise in the number of devices such as personal digital assistants, etc....
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White Papers
Order Statistics for Voice Activity Detection in VoIP
June 30, 2010, 12:00am PDT
Real-time voice communication over the Internet has rapidly gained popularity. It is indeed essential to reduce the total bandwidth consumption to efficiently use the available bandwidth for the...
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White Papers
Jump-Stay Rendezvous Algorithm for Cognitive Radio Networks
January 6, 2012, 12:00am PST
Cognitive Radio Networks (CRNs) have emerged as advanced and promising paradigm to exploit the existing wireless spectrum opportunistically. It is crucial for users in CRNs to search for neighbors...
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White Papers
Cyclic Feature Detection With Sub-Nyquist Sampling for Wideband Spectrum Sensing
February 1, 2012, 12:00am PST
For cognitive radio networks, efficient and robust spectrum sensing is a crucial enabling step for dynamic spectrum access. Cognitive radios need to not only rapidly identify spectrum...
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White Papers
Weighted Energy Detection for Non-coherent Ultra-Wideband Receiver Design
February 1, 2011, 12:00am PST
For Ultra-WideBand (UWB) impulse radios, non-coherent energy detectors are motivated for their simple circuitry and effective capture of multipath energy. A major performance-degrading factor in...
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White Papers
Decentralized Sparse Signal Recovery for Compressive Sleeping Wireless Sensor Networks
July 1, 2010, 12:00am PDT
This paper develops an optimal decentralized algorithm for sparse signal recovery and demonstrates its application in monitoring localized phenomena using energy-constrained large-scale wireless...
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White Papers
Optimal Power Control for Cognitive Radio Networks Under Coupled Interference Constraints: A Cooperative Game-Theoretic Perspective
May 17, 2010, 12:00am PDT
Distributed power control is investigated for Cognitive Radio Networks (CRNs) based on a cooperative game-theoretic framework. Taking into consideration both network efficiency and user fairness,...
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White Papers
Localized Structural Health Monitoring Using Energy-Efficient Wireless Sensor Networks
June 3, 2010, 12:00am PDT
This paper presents a localized information processing approach for long-term, online Structural Health Monitoring (SHM) using Wireless Sensor Networks (WSNs). Based on the embedded AR-ARX method,...
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White Papers
Cramer - Rao Bounds for Hybrid TOA/DOA-Based Location Estimation in Sensor Networks
August 1, 2009, 12:00am PDT
This paper derives the Cramer - Rao Bound (CRB) for source location estimation using joint Time-/Direction-Of-Arrival (TOA/DOA) measurements collected in a wireless sensor network setup. Each...
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White Papers
Maximum Likelihood Multiple Access Timing Synchronization for UWB Communications
November 1, 2008, 12:00am PDT
Rapid and reliable timing synchronization is a demanding task in the receiver design for Ultra-WideBand (UWB) communication systems, especially when concurrent multiple access is called for. This...
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White Papers
Wideband Receiver Design in the Presence of Strong Narrowband Interference
July 1, 2008, 12:00am PDT
In the presence of Narrow-Band Interference (NBI), detection of weak wideband signals faces foremost challenges in Analog-to-Digital Conversion (ADC), due to the dynamic range problem encountered...
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White Papers
Multiple Symbol Differential Detection for UWB Communications
June 3, 2010, 12:00am PDT
Multiple Symbol Differential Detection (MSDD) offers high-performance symbol recovery and bypasses training or channel estimation, which are highly desired features in low-power Ultra-WideBand...
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White Papers
Joint Multi-Source Localization and Environment Perception in Wireless Sensor Networks
July 13, 2010, 12:00am PDT
This paper addresses the problem of joint multi-source localization and environment perception in Wireless Sensor Networks (WSNs) based on Received Signal Strength (RSS). Contrary to the...
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White Papers
Collaborative Sparse Signal Recovery in Hierarchical Wireless Sensor Networks
June 3, 2010, 12:00am PDT
This paper investigates the design choices and implementation schemes for information fusion among cluster heads in a large-scale hierarchical wireless sensor network. Two main issues addressed...
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White Papers
Compressed Wideband Sensing in Cooperative Cognitive Radio Networks
December 2, 2008, 12:00am PST
In emerging Cognitive Radio (CR) networks with spectrum sharing, the first cognitive task preceding any dynamic spectrum access is the sensing and identification of spectral holes in wireless...
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White Papers
Reliability-Driven Energy-Efficient Task Scheduling for Multiprocessor Real-Time Systems
October 1, 2011, 12:00am PDT
This paper proposes a reliability-driven task scheduling scheme for multiprocessor real-time embedded systems that optimizes system energy consumption under stochastic fault occurrences. The task...
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White Papers
Hierarchical Cross-Entropy Optimization for Fast On-Chip Decap Budgeting
November 1, 2011, 12:00am PDT
Decoupling capacitor (decap) has been widely used to effectively reduce dynamic power supply noise. Traditional decap budgeting algorithms usually explore the sensitivity-based nonlinear...
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White Papers
Gate Sizing for Cell-Library-Based Designs
June 30, 2009, 12:00am PDT
With increasing time-to-market pressure and shortening semiconductor product cycles, more and more chips are being designed with library-based methodologies. In spite of this shift, the problem of...
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White Papers
A Fully Polynomial-Time Approximation Scheme for Timing-Constrained Minimum Cost Layer Assignment
July 15, 2009, 12:00am PDT
As VLSI technology enters the nanoscale regime, the interconnect delay becomes the bottleneck of circuit performance. Compared with gate delays, wires are becoming increasingly resistive, making...
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White Papers
Fast Algorithms for Slew Constrained Minimum Cost Buffering
January 18, 2008, 12:00am PST
As a prevalent constraint, sharp slew rate is often required in circuit design which causes a huge demand for buffering resources. This problem requires ultra-fast buffering techniques to handle...
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White Papers
Power Grid Analysis With Hierarchical Support Graphs
December 14, 2011, 12:00am PST
It is increasingly challenging to analyze present day large-scale Power Delivery Networks (PDNs) due to the drastically growing complexity in power grid design. To achieve greater runtime and...
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White Papers
The Fast Optimal Voltage Partitioning Algorithm for Peak Power Density Minimization
November 29, 2010, 12:00am PST
Increasing transistor density in nanometer integrated circuits has resulted in large on-chip power density. As a high-level power optimization technique, voltage partitioning is effective in...
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White Papers
Generalized FMD Detection for Spectrum Sensing Under Low Signal-to-Noise Ratio
February 13, 2012, 12:00am PST
Spectrum sensing is a fundamental problem in cognitive radio. The authors propose a function of covariance matrix based detection algorithm for spectrum sensing in cognitive radio network....
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White Papers
A Hidden Markov Model Based Approach to Detect Rogue Access Points
September 16, 2008, 12:00am PDT
One of the most challenging security concerns for network administrators is the presence of rogue access points. In this paper, the authors propose a statistical based approach to detect rogue...
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White Papers
Rogue Access Point Detection by Analyzing Network Traffic Characteristics
October 12, 2008, 12:00am PDT
One of the most challenging network security concerns for network administrators is the presence of rogue access points. Rogue access points, if undetected, can be an open door to sensitive...
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White Papers
Virtual Wired Transmission Scheme Using Directional Antennas to Improve Energy Efficiency in Wireless Mobile Ad-Hoc Networks
April 14, 2009, 12:00am PDT
Energy efficiency improvement methods can be applied at different layers of the network architecture for mobile ad-hoc networks. There have been many research efforts on improving the performance...
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White Papers
Cooperative Wideband Spectrum Sensing for the Centralized Cognitive Radio Network
February 18, 2011, 12:00am PST
Various Primary User (PU) radios have been allocated into fixed frequency bands in the whole spectrum. A Cognitive Radio Network (CRN) should be able to perform the Wideband Spectrum Sensing (WSS)...
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White Papers
Demonstration of Spectrum Sensing With Blindly Learned Feature
February 24, 2011, 12:00am PST
Spectrum sensing is essential in cognitive radio. By defining leading eigenvector as feature, the authors introduce a blind Feature Learning Algorithm (FLA) and a Feature Template Matching (FTM)...
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White Papers
Performance Study on Time Reversed Impulse MIMO for UWB Communications Based on Measured Spatial UWB Channels
May 28, 2007, 12:00am PDT
UWB technology is generally limited to short range applications, due to the strong power limitations imposed by Federal Communications Commission (FCC). In this paper, the authors propose to use...
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White Papers
Space-Time Pre-Equalization for Time Reversal MIMO UWB System in Strong ISI
April 26, 2011, 12:00am PDT
An ultra-high data rate Time Reversal (TR) Multiple-Input Multiple-Output (MIMO) Ultra-WideBand (UWB) communication system with space-time pre-equalizer is proposed. When the symbol duration is...
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White Papers
Novel Multiple Relay Selection Schemes in Two-Hop Cognitive Relay Networks
June 23, 2011, 12:00am PDT
This paper studies multiple relay selection schemes in two-hop cognitive relay networks to maximize the Signal-to-Noise Ratio (SNR) of the secondary receiver. The authors first formulate the relay...
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White Papers
Sensor-Network-Aided Cognitive Radio: On the Optimal Receiver for Estimate-and-Forward Protocols Applied to the Relay Channel
February 14, 2008, 12:00am PST
Cognitive radio describes a promising concept for improving the utilization of radio spectrum. It allows secondary users to access licensed radio spectrum in an opportunistic fashion, given that...
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White Papers
On the Outage Exponent of Fading Relay Channels With Partial Channel State Information
June 16, 2007, 12:00am PDT
The problem of optimal dimension and power allocation to maximize the asymptotic outage exponent over a decode-and-forward fading relay channel with quantized Channel State Feedback (CSF) is...
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White Papers
Diversity - Multiplexing Tradeoff in MIMO Channels With Partial CSIT
August 1, 2007, 12:00am PDT
The Diversity-Multiplexing (D-M) tradeoff in a multi-antenna channel with optimized resolution-constrained channel state feedback is characterized. The concept of minimum guaranteed multiplexing...
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White Papers
Space-Time Constellation Design for Partial CSI at the Receiver
June 13, 2007, 12:00am PDT
The design of signal constellations for a communication system using multiple transmitter antennas over a Rayleigh fading channel is considered under the assumption that no Channel State...
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White Papers
A Simple Adaptive MAC Scheduling Scheme for Bluetooth Scatternet
January 31, 2009, 12:00am PST
A simple adaptive MAC scheduling algorithm, called Gateway Oriented Scatternet Scheduling (GOSS), is proposed for data exchange in a Bluetooth scatternet. Unlike the existing scheme MDRP (Maximum...
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White Papers
P2P Content Distribution to Mobile Bluetooth Users
August 18, 2009, 12:00am PDT
Using handheld devices such as cellular phones and smart phones for personal entertainment has become commonplace in today's lifestyle. Virtually all of these devices are equipped with Bluetooth...
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White Papers
Autonomous Proximity Awareness of Bluetooth Devices
January 31, 2009, 12:00am PST
This paper focuses on designing autonomous device discovery algorithms for Bluetooth networks. The paper first extends the conventional asymmetric Bluetooth link model to three point-to-point...
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White Papers
A System Implementation of Pushing Advertisement to Handheld Devices Via Bluetooth
September 4, 2009, 12:00am PDT
Almost everyone today has his or her mobile phone and Bluetooth has already become a standard inclusion on most mobile phones, laptops and PDAs. Data transfer through Bluetooth among the handheld...
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White Papers
Deploying Database Appliances in the Cloud
March 10, 2009, 12:00am PDT
Cloud computing is an increasingly popular paradigm for accessing computing resources. A popular class of computing clouds is Infrastructure as a Service (IaaS) clouds, exemplified by Amazon's...
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White Papers
Digital Ecosystems in the Clouds: Towards Community Cloud Computing
June 1, 2009, 12:00am PDT
Cloud Computing is rising fast, with its data centres growing at an unprecedented rate. However, this has come with concerns of privacy, efficiency at the expense of resilience, and environmental...
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White Papers
Optimizing Utility in Cloud Computing Through Autonomic Workload Execution
March 19, 2009, 12:00am PDT
Cloud computing provides services to potentially numerous remote users with diverse requirements. Although predictable performance can be obtained through the provision of carefully delimited...
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White Papers
What Networking of Information Can Do for Cloud Computing
July 9, 2009, 12:00am PDT
Cloud computing is making it possible to separate the process of building an infrastructure for service provisioning from the business of providing end user services. Today, such infrastructures...
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White Papers
Creating Next Generation Cloud Computing Based Network Services and the Contributions of Social Cloud Operation Support System (OSS) to Society
July 9, 2009, 12:00am PDT
Emerging virtualization technologies are making ubiquitous access to on-demand computing, network and storage resources o deliver various applications over public Internet. This paper presents how...
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White Papers
Implementation Issues of a Cloud Computing Platform
March 19, 2009, 12:00am PDT
Cloud computing is Internet based system development in which large scalable computing resources are provided "As a service" over the Internet to users. The concept of cloud computing incorporates...
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White Papers
Medical-Grade, Mission-Critical Wireless Networks
March 1, 2008, 12:00am PST
Off late healthcare environment requires an enterprise mobility solution for both patients and staff. Separate isolated networks are suboptimal from cost, management, scalability, and reliability...
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White Papers
Dynamic SLA Template Adjustments Based on Service Property Monitoring
September 8, 2009, 12:00am PDT
Service Level Agreements (SLAs) are used to manifest guarantees about certain functional and non-functional aspects of service execution. Service providers are confronted with a hard problem when...
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White Papers
A Security Design of Data Exchange Platform
October 18, 2008, 12:00am PDT
The paper introduces a data security assurance mechanism, which is already applied in a Security Data Exchange Platform (SDEP). Then, the paper describes the security design of SDEP in details. By...
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White Papers
A Security Architecture for Application Session Handoff
October 10, 2008, 12:00am PDT
Ubiquitous computing across a variety of wired and wireless connections still lacks an effective security architecture. In the research work, the paper addresses the specific issue of designing...
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White Papers
Dynamic Routing With Security Considerations
March 19, 2009, 12:00am PDT
Security has become one of the major issues for data communication over wired and wireless networks. Different from the past work on the designs of cryptography algorithms and system...
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White Papers
Accurately Measuring Denial of Service in Simulation and Testbed Experiments
November 12, 2008, 12:00am PST
Researchers in the Denial of Service (DoS) field lack accurate, quantitative and versatile metrics to measure service denial in simulation and testbed experiments. Without such metrics, it is...
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Empirical Study of Tolerating Denial-of-Service Attacks With the Fosel Architecture
July 14, 2009, 12:00am PDT
Filtering techniques are one of the main approaches to protect applications from Denial of Service Attacks (DoS). However filtering techniques suffer from two main challenges: the accuracy...
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White Papers
Autonomous Mental Development: A New Interdisciplinary Transactions for Natural and Artificial Intelligence
May 1, 2009, 12:00am PDT
Although some baby animals can get up and walk within hours after birth, what a human child learns during the first two years of life easily exceeds what those animals learn in their entire...
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White Papers
Activity Recognition Using a Combination of Category Components and Local Models for Video Surveillance
March 25, 2009, 12:00am PDT
This paper presents a novel approach for automatic recognition of human activities for video surveillance applications. The paper proposes to represent an activity by a combination of category...
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White Papers
Compress Compound Images in H.264/MPEG-4 AVC by Fully Exploiting Spatial Correlation
May 19, 2009, 12:00am PDT
Compound images consist of text, graphics and natural images, which present strong anisotropic features. It makes existing image coding standards inefficient on compressing them. To solve the...
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White Papers
Improving Depth Perception With Motion Parallax and Its Application in Teleconferencing
June 16, 2009, 12:00am PDT
Depth perception, or 3D perception, can add a lot to the feeling of immersiveness in many applications such as 3D TV, 3D teleconferencing, etc. Stereopsis and motion parallax are two of the most...
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White Papers
A 200-Mbps 2-Gbps Continuous-Rate Clock-and-Data-Recovery Circuit
February 27, 2009, 12:00am PST
With the aid of wave-length division multiplexing technique, several optical communication systems, such as SDH/SONET and 10 GBased Ethernet, allow the information to be exchanged with different...
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White Papers
A Wide-Tracking Range Clock and Data Recovery Circuit
October 28, 2008, 12:00am PDT
SCALING of CMOS technology has progressed relentlessly for the past several decades and brought unprecedented benefits to digital Integrated Circuits (ICs). In order for the improvements of...
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White Papers
Using Information Filtering in Web Data Mining Process
August 6, 2008, 12:00am PDT
The amount of Web information is growing rapidly, improving the efficiency and accuracy of Web information retrieval is uphill battle. There are two fundamental issues regarding the effectiveness...
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White Papers
Application of New Adaptive Higher Order Neural Networks in Data Mining
October 18, 2008, 12:00am PDT
This paper introduces an adaptive Higher Order Neural Network (HONN) model and applies it in data mining such as simulating and forecasting government taxation revenues. The proposed adaptive HONN...
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White Papers
Short-Term Prediction of Wind Farm Power: A Data Mining Approach
March 1, 2009, 12:00am PST
This paper examines time series models for predicting the power of a wind farm at different time scales, i.e., 10-min and hour-long intervals. The time series models are built with data mining...
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White Papers
2D CAD Data Mining Based on Spatial Relation
May 30, 2009, 12:00am PDT
This paper proposes CAD data mining technique to obtain semantic elements without prior knowledge about plans being designed. The method consists of two steps. The first step is to extract...
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White Papers
Optical Proximity Communication in Packaged SiPhotonics
April 30, 2009, 12:00am PDT
This paper reports 10Gb/s Optical-Proximity-Communication with reflecting mirrors micro-machined into Si and co-integrated to low loss SOI waveguides for chip to chip communication using a...
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White Papers
Silicon Photonic WDM Point-to-Point Network for Multi-Chip Processor Interconnects
April 30, 2009, 12:00am PDT
Processor performance in instructions per second continues to rise. But the improvement is no longer coming from increasing clock rates due to the associated power, heat and design complexity...
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White Papers
A Self-Healing, Self-Protecting Collaborative Intrusion Detection Architecture to Trace-Back Fast-Flux Phishing Domains
March 31, 2008, 12:00am PDT
Millions of users divulge their personal information on phishing websites, which causes over a billion dollars loss every year. Phishing domain take-down is the most promising approach to address...
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White Papers
From Good to Bad Ones: Making Spam Detection Easier
May 13, 2008, 12:00am PDT
Previous researches of the anti-spamming have proved that results can be greatly improved when bad seeds are used together with good ones. However, how to select bad seeds efficiently is a big...
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White Papers
Research on Packet Filter Rules of the Firewall Based on Visual Prolog
October 18, 2008, 12:00am PDT
The packet filter rules of firewall are established according to the needs of network security, while to manage filter rules becomes more and more complicated, and easy to make mistakes,...
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Research on an Immune Mechanism Based Intelligent Spam Filter
October 18, 2008, 12:00am PDT
With regard to the problem that the traditional anti-spam filter is usually incapable of recognizing unknown and mutational characters, a novel anti-spam filter based on immune mechanisms is...
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White Papers
Link Variable TrustRank for Fighting Web Spam
October 18, 2008, 12:00am PDT
Highly ranking position in the search engine query results can bring great benefits for websites. However, some websites use various techniques cheating search engine to increase their ranking,...
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White Papers
Identity Management: The Seven Flaws of Identity Management - Usability and Security Challenges
March 1, 2008, 12:00am PST
Identity management systems' scale and complexity, combined with the privacy and security requirements demanded of them, create steep challenges for usability. In this paper, the authors posit...
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White Papers
Revealing Packed Malware
September 1, 2008, 12:00am PDT
The past few years have witnessed a significant increase in malware threats to computer users, threats that also pose a serious risk to the Internet's integrity. Malware exploits software...
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White Papers
Support Vector Machines and Random Forests Modeling for Spam Senders Behavior Analysis
December 3, 2008, 12:00am PST
Unwanted and malicious messages dominate Email traffic and pose a great threat to the utility of email communications. Reputation systems have been getting momentum as the solution. Such systems...
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White Papers
Spam Filtering With Several Novel Bayesian Classifiers
November 11, 2008, 12:00am PST
This paper presents spam filtering with three novel bayesian classification methods: Aggregating One-Dependence Estimators (AODE), Hidden Naïve Bayes (HNB), Locally Weighted learning with Naïve...
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White Papers
Proactive Server Roaming for Mitigating Denial-of-Service Attacks
January 1, 2009, 12:00am PST
This paper proposes a framework based on proactive server roaming to mitigate the effects of Denial-of-Service (DoS) attacks. The active server proactively changes its location within a pool of...
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White Papers
Combating File Infectors on Corporate Networks
September 30, 2008, 12:00am PDT
In this age of botnets, rootkits, spyware, and other bleeding-edge security threats, file infectors are frequently thought of as a dead threat. But during the past year or so, it has observed an...
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