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Korea University
(80 results)-
White Papers
Implementation of SSL Using Information Security Component Interface
June 8, 2009, 12:00am PDT
Various security APIs (Application Programming Interfaces) are being used in a variety of application areas requiring the information security function. However, these standards are not...
Provided by Korea University
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White Papers
Context Information Based Fault Tolerant Technique in Mobile Grid
March 5, 2008, 12:00am PST
Mobile grids extend the concepts of grid computing through performance improvement of mobile devices and the development of wireless communication and offer mobility to grid service user. But...
Provided by Korea University
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White Papers
Economic Workflow Scheduling Strategy in Mobile Grid
March 5, 2008, 12:00am PST
A wired Grid recognizes resources connected with a fixed network as shared resources. But the present computing environment is evolving to mobile computing environment that involves mobile devices...
Provided by Korea University
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White Papers
XTRON: An XML Data Management System Using Relational Databases
May 21, 2007, 12:00am PDT
Recently, there has been plenty of interest in XML. Since the amount of data in XML format has rapidly increased, the need for effective storage and retrieval of XML data has arisen. Many database...
Provided by Korea University
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White Papers
Multiple-Objective Metric for Placing Multiple Base Stations in Wireless Sensor Networks
August 1, 2007, 12:00am PDT
The placement of base stations in wireless sensor networks affects the coverage of sensor nodes, the tolerance against faults or attacks, the energy consumption and the congestion from...
Provided by Korea University
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White Papers
Data Fragmentation Scheme in IEEE 802.15.4 Wireless Sensor Networks
February 4, 2009, 12:00am PST
The IEEE 802.15.4 Medium Access Control (MAC) protocol is designed for low data rate, short distance and low power communication applications such as Wireless Sensor Networks (WSN). However, in...
Provided by Korea University
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White Papers
Domain-Based Key Management Scheme for Active Network
June 8, 2009, 12:00am PDT
Active network was developed to solve the problem of the current sharing-based network - difficulty in applying new technology, service or standard, and duplicated operation at several protocol...
Provided by Korea University
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White Papers
Home-Network Security Model in Ubiquitous Environment
November 1, 2007, 12:00am PDT
Social interest and demand on Home-Network has been increasing greatly. Although various services are being introduced to respond to such demands, they can cause serious security problems when...
Provided by Korea University
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White Papers
DEVS Modeling of Network Vulnerability
June 17, 2009, 12:00am PDT
As network components grow larger and more diverse, and as securing them on a host-by-host basis grow more difficult, more sites are turning to a network security model. The authors concentrate on...
Provided by Korea University
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White Papers
Controllability of Touch-Screen Phones Based on Various Grip Postures
March 19, 2010, 12:00am PDT
The level of competition has reached the limits in cellular phone market and the cellular phone manufacturers started to focus their solution in user interface. Design issues with controllability...
Provided by Korea University
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White Papers
Efficient Algorithms for Topology Control Problem With Routing Cost Constraints in Wireless Networks
November 4, 2010, 12:00am PDT
Topology control is one vital factor to a wireless network's efficiency. A Connected Dominating Set (CDS) can be a useful basis of a backbone topology construction. In this paper, a special CDS,...
Provided by Korea University
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White Papers
Various Security Analysis of a pfCM-MD Hash Domain Extension and Applications Based on the Extension
November 1, 2008, 12:00am PDT
This paper proposes a new hash domain extension a prefix-free-Counter-Masking-MD (pfCM-MD). And, among security notions for the hash function, the authors focus on the indifferentiable security...
Provided by Korea University
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White Papers
Infinite Density At The Median And The Typical Shape Of Stock Return Distributions
June 1, 2009, 12:00am PDT
Statistics are developed to test for the presence of an asymptotic discontinuity (or infinite density or peakedness) in a probability density at the median. The approach makes use of work by...
Provided by Korea University
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White Papers
Auctioning Process Innovations When Losers~ Bids Determine Royalty Rates
January 1, 2010, 12:00am PST
The authors consider a licensing mechanism for process innovations that combines a license auction with royalty contracts to those who lose the auction. Firms' bids are dual signals of their cost...
Provided by Korea University
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White Papers
Network Mobility Support Scheme on PMIPv6 Networks
September 1, 2010, 12:00am PDT
NEMO (Network Mobility) is proposed to support node mobility collectively. NEMO BSP is the most popular protocols to support NEMO based on MIPv6. However it does not satisfy requirements of...
Provided by Korea University
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White Papers
A Tunnel Compress Scheme for Multi-Tunneling in PMIPv6-Based Nested NEMO
November 1, 2010, 12:00am PDT
In nested NEMO, a multi-tunneling causes a pinball routing problem. Several solutions proposed to solve the pinball routing problem in NEMO BSP cannot be used at PMIPv6-based NEMO due to different...
Provided by Korea University
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White Papers
Low Energy Method for Data Delivery in Ubiquitous Network
June 20, 2009, 12:00am PDT
Recent advances in wireless sensor networks have led to many routing methods designed for energy-efficiency in wireless sensor networks. Despite that many routing methods have been proposed in...
Provided by Korea University
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White Papers
A Trust Model Using Fuzzy Logic in Wireless Sensor Network
June 20, 2009, 12:00am PDT
Adapting various sensor devices to communicate within sensor networks empowers one by providing range of possibilities. The sensors in sensor networks need to know their measurable belief of trust...
Provided by Korea University
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White Papers
A Decision Tree-Based Method for Selection of Input-Output Factors in DEA
May 15, 2008, 12:00am PDT
The authors propose a method for selection of input-output factors in DEA. It is designed to select better combinations of input-output factors that are well suited for evaluating substantial...
Provided by Korea University
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White Papers
Bitrate Reduction Using FMO for Video Streaming Over Packet Networks
June 16, 2009, 12:00am PDT
Flexible Macroblock Ordering (FMO), adopted in the H.264 standard, allows to partition all MacroBlocks (MBs) in a frame into separate groups of MBs called Slice Groups (SGs). FMO can not only...
Provided by Korea University
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White Papers
Fuzzy-Based Adaptive Replication Mechanism in Desktop Grid Systems
April 30, 2008, 12:00am PDT
In this paper, the authors discuss the design of replication mechanism to guarantee correctness and support deadline tasks in desktop grid systems. Both correctness and performance are considered...
Provided by Korea University
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White Papers
An Efficient Content Distribution Method Using Segment Metadata Annotation in CDN
November 28, 2008, 12:00am PST
Recently, user who uses a multimedia files demand a high capacity file via internet. However, it is difficult to guarantee QoS about providing high capacity files by internet because that has an...
Provided by Korea University
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White Papers
Reactive Clock Synchronization for Wireless Sensor Networks With Asynchronous Wakeup Scheduling
October 5, 2010, 12:00am PDT
Most of the existing clock synchronization algorithms for wireless sensor networks can be viewed as proactive clock synchronization since they require nodes to periodically synchronize their clock...
Provided by Korea University
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White Papers
M-Geocast: Robust and Energy-Efficient Geometric Routing for Mobile Sensor Networks
June 11, 2008, 12:00am PDT
In this paper, the authors investigate a practical routing solution for a new class of wireless sensor networks where any node can be mobile anytime. Assuming GPS-enabled sensor nodes they propose...
Provided by Korea University
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Whitepapers
Traffic Flooding Attack Detection and Classification With SNMP MIB Via SVDD and Sparse Representation
November 29, 2011, 12:00am PST
Recently, as network flooding attacks such as DoS/DDoS and Internet Worm have posed devastating threats to network services, rapid detection and proper response mechanisms are the major concern...
Provided by Korea University
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Whitepapers
MCSC: Mobile Collaborative Service Cloud Using Instant Adaptive Orchestration and Mashup
October 1, 2012, 12:00am PDT
Although, there are various kinds of mobile application technologies, users spend time with their Smartphone mostly surfing the Internet, playing games, and communicating with their friends...
Provided by Korea University
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Whitepapers
The Research on Social Influence-Based Cache Replacement Policy Over Wireless Information-Centric Network
October 1, 2012, 12:00am PDT
Information-Centric Network (ICN) is a new paradigm, which solve the limitations of the IP network architecture. The one of the advantage in ICN is that it reduces network traffic by using...
Provided by Korea University
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Whitepapers
An Efficient Linear MMSE Receiver for Wireless Ad Hoc Networks
May 24, 2012, 12:00am PDT
Recent works on ad hoc network study have shown that achievable throughput can be made to scale linearly with the number of receive antennas even if the transmitter has only a single antenna. In...
Provided by Korea University
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Whitepapers
Channel Quantization Algorithm for MIMO Interference Alignment With Limited Feedback
May 24, 2012, 12:00am PDT
When perfect Channel State Information (CSI) is available at each transmitter in K-user Multiple-Input Multiple-Output (MIMO) interference channels, it was shown that Interference Alignment (IA)...
Provided by Korea University
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Whitepapers
An Effective Link Error Prediction Technique for MIMO-OFDM Systems With ML Receiver
May 24, 2012, 12:00am PDT
In this paper, the authors propose an accurate link performance abstraction technique for Multiple-Input Multiple-Output (MIMO) orthogonal frequency-division multiplexing systems with Maximum...
Provided by Korea University
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Whitepapers
On Feasibility of Interference Alignment and Cancellation for Gaussian Interference Multiple Access Channel
May 24, 2012, 12:00am PDT
The feasibility condition for Interference Alignment (IA) with no channel extension has not been known yet. In this paper, for the first time, the authors explore the feasibility of Interference...
Provided by Korea University
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Whitepapers
Detection of Cache Pollution Attacks Using Randomness Checks
May 24, 2012, 12:00am PDT
The Internet plays an increasing role in content dissemination as user-generated contents have exploded recently. Cache servers have been deployed to bypass bottlenecks in the network so that...
Provided by Korea University
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Whitepapers
Limited Feedback Designs for Two-Way Wireless Relaying Channels With Physical Network Coding
May 24, 2012, 12:00am PDT
In this paper, the authors propose a limited feedback system for two-way wireless relaying channels with Physical Network Coding (PNC). The optimal system with full feedback has already been...
Provided by Korea University
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Whitepapers
On the Capacity of MIMO Distributed Antenna Systems
May 24, 2012, 12:00am PDT
In this paper, the authors investigate the ergodic capacity for distributed antenna systems over Rayleigh fadings, including a distance-dependent pathloss model. Based on the proof of asymptotic...
Provided by Korea University
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Whitepapers
Joint Transceiver and Relay Beamforming Design for Multi-Pair Two-Way Relay Systems
May 24, 2012, 12:00am PDT
In this paper, the authors propose a simple yet effective beamforming technique for Multiple-Input Multiple-Output (MIMO) multi-pair two-way relay channels. Two key ingredients in their technique...
Provided by Korea University
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Whitepapers
Random Access Transport Capacity of Dual-Hop AF Relaying in a Wireless Ad Hoc Network
March 12, 2012, 12:00am PDT
To account for randomly distributed nodes in a wireless ad hoc network, the random access transport capacity is defined as the average maximum rate of successful end-to-end transmission over some...
Provided by Korea University
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Whitepapers
Hybrid Division Cooperative Transmission Scheme for LTE Enterprise Femtocell Networks
March 12, 2012, 12:00am PDT
In this paper, the authors propose a Hybrid Division Cooperative Transmission (HDCT) scheme for system throughput enhancement in enterprise femtocell systems. In HDCT scheme, a Cooperative...
Provided by Korea University
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Whitepapers
Differential Fault Analysis on Block Cipher Piccolo
July 17, 2012, 12:00am PDT
Recently, the research on ultra-lightweight block ciphers suitable for the efficient implementation in constrained hardware environments such as RFID tags and sensor nodes has been studied. As a...
Provided by Korea University
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Whitepapers
A Study on the Live Forensic Techniques for Anomaly Detection in User Terminals
January 1, 2013, 12:00am PST
Recently, Malware have been created in order to commit a theft user's permission via C&C botnet and stopover server. It makes information leakage by arbitrarily modifying or creation of system...
Provided by Korea University
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Whitepapers
Clustering-Based Feature Selection for Internet Attack Defense
November 28, 2008, 12:00am PST
Feature selection is as important for intrusion detection as it is for many other problems. A feature selection algorithm can help system administrators to identify and detect new network attacks...
Provided by Korea University
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Whitepapers
Botnet Detection by Monitoring Group Activities in DNS Traffic
September 13, 2007, 12:00am PDT
Recent malicious attempts are intended to get financial benefits through a large pool of compromised hosts, which are called software robots or simply "Bots." A group of bots, referred to as a...
Provided by Korea University
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Whitepapers
Code Graph for Malware Detection
January 1, 2013, 12:00am PST
When an application program is executed for the first time, the results of its execution are not always predictable. Since the host will be damaged by a malware as soon as it is executed,...
Provided by Korea University
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Whitepapers
Detecting Malicious Web Links and Identifying Their Attack Types
May 4, 2011, 12:00am PDT
Malicious URLs have been widely used to mount various cyber attacks including spamming, phishing and malware. Detection of malicious URLs and identification of threat types are critical to thwart...
Provided by Korea University
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Whitepapers
On Classifying and Evaluating the Effect of Jamming Attacks
November 6, 2009, 12:00am PST
While various wireless networks have advanced rapidly and become an indispensable infrastructure in the network environment, jamming attacks are the common challenging problem that makes them...
Provided by Korea University
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Whitepapers
SPLASH: a Simple Multi-Channel Migration Scheme for IEEE 802.11 Networks
April 15, 2008, 12:00am PDT
Simultaneously utilizing multiple channels can be an effective counter-measure to the performance degradation stemming from high contention in the IEEE 802.11-based networks. This is especially...
Provided by Korea University
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Whitepapers
Sign-Select Lookahead CORDIC Based High-Speed QR Decomposition Architecture for MIMO Receiver Applications
March 1, 2011, 12:00am PST
This paper presents a high-speed QR decomposition architecture for the Multi-Input-Multi-Output (MIMO) receiver based on Givens rotation. Under fast-varying channel, since the inverse matrix...
Provided by Korea University
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Whitepapers
Channel Orthogonalizing Precoder for Open-Loop QO-STBC Systems
October 27, 2009, 12:00am PDT
In this paper, the authors propose a new preprocessing scheme for rate-one Quasi-Orthogonal Space-Time Block Code (QO-STBC), which requires no channel state information at the transmitter. They...
Provided by Korea University
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Whitepapers
Clustering-Based Feature Selection for Internet Attack Defense
November 28, 2008, 12:00am PST
Feature selection is as important for intrusion detection as it is for many other problems. A feature selection algorithm can help system administrators to identify and detect new network attacks...
Provided by Korea University
-
Whitepapers
A Study on the Live Forensic Techniques for Anomaly Detection in User Terminals
January 1, 2013, 12:00am PST
Recently, Malware have been created in order to commit a theft user's permission via C&C botnet and stopover server. It makes information leakage by arbitrarily modifying or creation of system...
Provided by Korea University
-
Whitepapers
Differential Fault Analysis on Block Cipher Piccolo
July 17, 2012, 12:00am PDT
Recently, the research on ultra-lightweight block ciphers suitable for the efficient implementation in constrained hardware environments such as RFID tags and sensor nodes has been studied. As a...
Provided by Korea University
-
Whitepapers
Hybrid Division Cooperative Transmission Scheme for LTE Enterprise Femtocell Networks
March 12, 2012, 12:00am PDT
In this paper, the authors propose a Hybrid Division Cooperative Transmission (HDCT) scheme for system throughput enhancement in enterprise femtocell systems. In HDCT scheme, a Cooperative...
Provided by Korea University
-
Whitepapers
Random Access Transport Capacity of Dual-Hop AF Relaying in a Wireless Ad Hoc Network
March 12, 2012, 12:00am PDT
To account for randomly distributed nodes in a wireless ad hoc network, the random access transport capacity is defined as the average maximum rate of successful end-to-end transmission over some...
Provided by Korea University
-
Whitepapers
Joint Transceiver and Relay Beamforming Design for Multi-Pair Two-Way Relay Systems
May 24, 2012, 12:00am PDT
In this paper, the authors propose a simple yet effective beamforming technique for Multiple-Input Multiple-Output (MIMO) multi-pair two-way relay channels. Two key ingredients in their technique...
Provided by Korea University
-
Whitepapers
On the Capacity of MIMO Distributed Antenna Systems
May 24, 2012, 12:00am PDT
In this paper, the authors investigate the ergodic capacity for distributed antenna systems over Rayleigh fadings, including a distance-dependent pathloss model. Based on the proof of asymptotic...
Provided by Korea University
-
Whitepapers
Limited Feedback Designs for Two-Way Wireless Relaying Channels With Physical Network Coding
May 24, 2012, 12:00am PDT
In this paper, the authors propose a limited feedback system for two-way wireless relaying channels with Physical Network Coding (PNC). The optimal system with full feedback has already been...
Provided by Korea University
-
Whitepapers
Detection of Cache Pollution Attacks Using Randomness Checks
May 24, 2012, 12:00am PDT
The Internet plays an increasing role in content dissemination as user-generated contents have exploded recently. Cache servers have been deployed to bypass bottlenecks in the network so that...
Provided by Korea University
-
Whitepapers
On Feasibility of Interference Alignment and Cancellation for Gaussian Interference Multiple Access Channel
May 24, 2012, 12:00am PDT
The feasibility condition for Interference Alignment (IA) with no channel extension has not been known yet. In this paper, for the first time, the authors explore the feasibility of Interference...
Provided by Korea University
-
Whitepapers
An Effective Link Error Prediction Technique for MIMO-OFDM Systems With ML Receiver
May 24, 2012, 12:00am PDT
In this paper, the authors propose an accurate link performance abstraction technique for Multiple-Input Multiple-Output (MIMO) orthogonal frequency-division multiplexing systems with Maximum...
Provided by Korea University
-
Whitepapers
Channel Quantization Algorithm for MIMO Interference Alignment With Limited Feedback
May 24, 2012, 12:00am PDT
When perfect Channel State Information (CSI) is available at each transmitter in K-user Multiple-Input Multiple-Output (MIMO) interference channels, it was shown that Interference Alignment (IA)...
Provided by Korea University
-
Whitepapers
An Efficient Linear MMSE Receiver for Wireless Ad Hoc Networks
May 24, 2012, 12:00am PDT
Recent works on ad hoc network study have shown that achievable throughput can be made to scale linearly with the number of receive antennas even if the transmitter has only a single antenna. In...
Provided by Korea University
-
Whitepapers
The Research on Social Influence-Based Cache Replacement Policy Over Wireless Information-Centric Network
October 1, 2012, 12:00am PDT
Information-Centric Network (ICN) is a new paradigm, which solve the limitations of the IP network architecture. The one of the advantage in ICN is that it reduces network traffic by using...
Provided by Korea University
-
Whitepapers
MCSC: Mobile Collaborative Service Cloud Using Instant Adaptive Orchestration and Mashup
October 1, 2012, 12:00am PDT
Although, there are various kinds of mobile application technologies, users spend time with their Smartphone mostly surfing the Internet, playing games, and communicating with their friends...
Provided by Korea University
-
Whitepapers
Traffic Flooding Attack Detection and Classification With SNMP MIB Via SVDD and Sparse Representation
November 29, 2011, 12:00am PST
Recently, as network flooding attacks such as DoS/DDoS and Internet Worm have posed devastating threats to network services, rapid detection and proper response mechanisms are the major concern...
Provided by Korea University
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Whitepapers
The Security Limitations of SSO in OpenID
February 4, 2008, 12:00am PST
As the Internet becomes a way of social life, there are lots of accounts which a user has to manage. To receive the web service, people have to register each web site. It is the OpenID to resolve...
Provided by Korea University
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White Papers
Modeling of Energy-Efficient Applicable Routing Algorithm in WSN
August 1, 2010, 12:00am PDT
Recent advances in WSN (Wireless Sensor Networks) have led to many routing protocols designed for more efficiency of energy utilization in the WSN field. While many routing protocols have been...
Provided by Korea University of Technology and Education
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White Papers
On Matching Forensic Sketches to Mugshot Photos
August 2, 2010, 12:00am PDT
The problem of matching a forensic sketch to a gallery of mugshot images is addressed in this paper. Previous research in sketch matching offered solutions to matching highly accurate sketches...
Provided by Korea University
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White Papers
A Study of Multibiometric Traits of Identical Twins
January 27, 2010, 12:00am PST
The increase in twin births has created a requirement for biometric systems to accurately determine the identity of a person who has an identical twin. The discriminability of some of the...
Provided by Korea University
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White Papers
Fingerprint Template Protection: From Theory to Practice
December 21, 2011, 12:00am PST
One of the potential vulnerabilities in a biometric system is the leakage of biometric template information, which may lead to serious security and privacy threats. Most of the available template...
Provided by Korea University
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White Papers
Advanced Information Security Management Evaluation System
June 1, 2011, 12:00am PDT
Information Security Management Systems (ISMSs) are used to manage information about their customers and themselves by governments or business organizations following advances in e-commerce, open...
Provided by Korea University
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White Papers
Throughput Analysis of Band-AMC Scheme in Broadband Wireless OFDMA System
February 23, 2009, 12:00am PST
In broadband wireless Orthogonal Frequency Division Multiple Access (OFDMA) systems where a set of sub-carriers are shared among multiple users, the overall system throughput can be improved by a...
Provided by Korea University
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White Papers
A Linear-Complexity Burst Packing Scheme for IEEE 802.16e OFDMA Downlink Frames
March 16, 2009, 12:00am PDT
The problem of efficiently shaping downlink data bursts into rectangles and packing them in the OFDMA subframe is not addressed by the IEEE 802.16 standard, and is left as an implementation issue....
Provided by Korea University
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White Papers
Improvement of Handover Break Time Performance for Wireless Broadband Access System
October 21, 2007, 12:00am PDT
Handover break time is a critical performance measure to warrant the seamless mobility, especially for the real-time service, e.g., Voice over IP (VoIP) service, in the wireless broadband access...
Provided by Korea University
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White Papers
On the Complexity of Scheduling in Wireless Networks
September 1, 2010, 12:00am PDT
The authors consider the problem of throughput-optimal scheduling in wireless networks subject to interference constraints. They model the interference using a family of K-hop interference models,...
Provided by Korea University of Technology and Education
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White Papers
Cooperative Localization Algorithm for Sensor Node in Wireless Sensor Networks
November 22, 2008, 12:00am PST
The wireless localization in sensor network is a work deciding a location of a sensor node. It is necessary to perform the important role such as the geometrical routing, tracking and the...
Provided by Korea University of Technology and Education
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White Papers
Energy Efficient In-Network Phase RFID Data Filtering Scheme
April 7, 2008, 12:00am PDT
One of the limitations that prevent proliferation of RFID technology is redundant data transmission within the network usually caused by unreliability of readers and duplicate readings generated...
Provided by Korea University
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White Papers
Energy-Efficient Tracking Of Continuous Objects in Wireless Sensor Networks
April 9, 2008, 12:00am PDT
The proliferation of research on target detection and tracking in wireless sensor networks has kindled development of tracking continuous objects such as fires, bio-chemical material diffusion. In...
Provided by Korea University
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White Papers
Efficient In-Network Redundancy Filtering in RFID System Integrated With Wireless Sensor Networks
June 11, 2010, 12:00am PDT
RFID promises to revolutionize the process of identifying, tracking, and monitoring physical objects. Additionally, RFID integration with wireless sensor networks helps both in terms of...
Provided by Korea University
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White Papers
DLS: Dynamic Level Session Key Revocation Protocol for Wireless Sensor Networks
June 3, 2010, 12:00am PDT
Among of Security schemes for Wireless Sensor Networks (WSNs), key management is challenging issue to ensure security of applications. The key management is to establish the required keys between...
Provided by Korea University
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White Papers
[ETCTR] Efficient Target Localization by Controlling the Transmission Range in Wireless Sensor Networks
November 18, 2008, 12:00am PST
The applications of sensor networks are getting critical and important particularly in strategic, applications such as corresponding target detection, surveillance, and target localization. To...
Provided by Korea University
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White Papers
Optimized Fast Handover in Mobile Network
January 1, 2011, 12:00am PST
The Next-Generation Network (NGN) is a new concept commonly used by network designers to depict their vision of future networks. The NGN wireless networks are intended to support new real time...
Provided by Korea University
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