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Korea Advanced Institute of Science and Technology
(138 results)-
Whitepapers
Efficient Detection Using Sequential Probability Ratio Test in Mobile Cognitive Radio Systems
February 15, 2012, 12:00am PST
This paper proposes a smart design strategy for a sequential detector to reliably detect the primary user's signal, especially in fast fading environments. The authors study the computation of the...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Security Weakness in the Proof of Storage with Deduplication
September 25, 2012, 12:00am PDT
Achieving both security and efficiency is the challenging issue for a data outsourcing service in the cloud computing. Proof Of Storage with Deduplication (POSD) is the first solution that...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Capability-Aware Object Management Based on Skip List in Large-Scale Heterogeneous P2P Networks
May 1, 2010, 12:00am PDT
In this paper, the authors propose an object management method in large-scale heterogeneous P2P networks. In the proposed method, objects can be stored in and searched from nodes by considering...
Provided by Nara Institute of Science and Technology
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Whitepapers
Optimal Total Exchange in Anonymous Cayley Graphs
September 1, 2010, 12:00am PDT
Total exchange wherein each node in a network sends a message to every other node has been studied in Cayley graphs. To effectively discover an optimal solution in its graphs, one algorithm has...
Provided by Gwangju Institute of Science and Technology
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Whitepapers
Comments on an Improved RFID Security Protocol for ISO/IEC WD 29167-6
February 1, 2013, 12:00am PST
With the rapid progress of RFID security technologies, the international standard group ISO/IEC JTC 1/SC 31 is developing a few security technologies for RFID systems. One of the initial proposals...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Iterative Algorithm for Interference Alignment in Multiuser MIMO Interference Channels
December 14, 2010, 12:00am PST
Algorithms for designing beamforming matrices for interference alignment in multiuser time-invariant multi-input multi-output interference channels are proposed. Based on a new formulation for the...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Linux Kernel Support to Exploit Phase Change Memory
December 12, 2010, 12:00am PST
Recently, phase change memory (PRAM) has been developed as a next generation memory technology. Because PRAM can be accessed as word-level using memory interface of DRAM and offer more density...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Power-Aware Memory Management for Hybrid Main Memory
July 27, 2011, 12:00am PDT
In this paper, the authors propose the main memory management mechanism of the Operating System (OS) for the hybrid main memory which combines both advantages of DRAM and PRAM (Phase Change RAM)....
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
MNK: Configurable Hybrid Flash Translation Layer for Multi-Channel SSD
October 9, 2012, 12:00am PDT
For multi-channel Solid State Disks (SSDs), hybrid Flash Translation Layer (FTL) schemes were developed for increasing I/O parallelism and reducing garbage collection overhead. However, they still...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
R-Barrier: Rapid Barrier for Software RAID Cache Using Hints From Journaling Filesystem
September 25, 2012, 12:00am PDT
While adopting cache in software RAID brings performance benefit, it can cause data loss at power failure which results in the broken file-system consistency. Though I/O Barrier can be used to...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
OPAMP: Evaluation Framework for Optimal Page Allocation of Hybrid Main Memory Architecture
October 6, 2012, 12:00am PDT
Main memory as a hybrid between DRAM and nonvolatile memory is rapidly considered as a basic building block of computing systems. Despite widely-performed researches no one can confirm whether...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Design of Multimedia Matching Service Using Manycores and GPGPU
August 15, 2012, 12:00am PDT
Now-a-days, many users are spending their time with enjoying multimedia, and this trend spreads rapidly according to the propagation of Smartphones. Multimedia services have tried to attach tag...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
A Novel Ubiquitous Space User Interface (UUI) for Intuitive Interactions in Ubiquitous Computing Environment
September 5, 2007, 12:00am PDT
In this paper, the authors describe their effort to overcome the challenges in a limited user interface of a wearable computer by providing a new interface, called Ubiquitous space User Interface...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Mobile Office Platform, PPP-UFC, Providing Mobility and Intuitive Presentation
October 12, 2007, 12:00am PDT
This paper describes the issues and challenges in the design of a mobile office platform, PPP-UFC (Power Point Player), providing mobility and intuitive presentation. The device holder becomes...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Authentication Latency Reduction Technique for Secure and Seamless Ubiquitous Services
October 8, 2007, 12:00am PDT
In realization of a ubiquitous and mobile computing environments, provisioning and managing high security have become a challenging problem. This paper presents the authors' effort to overcome the...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Fusion of Decisions Modeled as Weak Signals in Wireless Sensor Networks
October 27, 2009, 12:00am PDT
Distributed detection has newly received research interest due to the success of the emerging Wireless Sensor Network (WSN) technology. To deal with the problem of distributed detection for the...
Provided by Gwangju Institute of Science and Technology
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Whitepapers
A Fully Integrated 5-GHz CMOS Power Amplifier for IEEE 802.11a WLAN Applications
June 26, 2007, 12:00am PDT
A fully integrated 5-GHz CMOS power amplifier for IEEE 802.11a WLAN applications is implemented using 0.18-m CMOS technology. An on-chip transmission-line transformer is used for output matching...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
A Reinforcement Learning-Based Lightpath Establishment for Service Differentiation in All-Optical WDM Networks
October 27, 2009, 12:00am PDT
In this paper, the authors propose a lightpath establishment method based on reinforcement learning for providing the service differentiation in all-optical WDM networks. In their proposed method,...
Provided by Nara Institute of Science and Technology
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Whitepapers
Impact of TCP ACK Losses on TCP Fairness in Wireless Mesh Networks
October 27, 2009, 12:00am PDT
In this paper, the authors analyze TCP fairness in IEEE 802.11- based Wireless Mesh Networks (WMNs). Fairness of bandwidth sharing is important for equitable network access by various users. With...
Provided by Gwangju Institute of Science and Technology
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Whitepapers
A New Preamble Design for Synchronization and Cell Searching Algorithms in OFDM Cellular Systems
April 15, 2008, 12:00am PDT
In this paper, a new preamble which is constructed with only one OFDM symbol is proposed. Moreover, novel synchronization and cell searching techniques based on the proposed preamble are...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Domain Level Page Sharing in Xen Virtual Machine Systems
September 25, 2007, 12:00am PDT
The memory size limits the scalability of virtual machine systems. There have been some researches about sharing identical pages among guest systems to reduce memory usage. However, they require...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Static Scheduling in Clouds
August 8, 2011, 12:00am PDT
Cloud computing aims to give users virtually unlimited pay-per-use computing resources without the burden of managing the underlying infrastructure. The authors present a new job execution...
Provided by Institute of Science and Technology
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White Papers
Virtual Snooping: Filtering Snoops in Virtualized Multi-Cores
December 13, 2010, 12:00am PST
Virtualization has been rapidly expanding its applications in numerous server and desktop environments to improve the utilization and manageability of physical systems. Such proliferation of...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Adaptive Multi-Pattern Reuse in Multi-Cell Networks
May 10, 2009, 12:00am PDT
Achieving sufficient spatial capacity gain by having small cells requires careful treatment of Inter-Cell Interference (ICI) management via BS power coordination coupled with user scheduling...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Resuscitating Privacy-Preserving Mobile Payment With Customer in Complete Control
January 12, 2011, 12:00am PST
Credit/debit card payment transactions do not protect the privacy of the customer. Once the card is handed over to the merchant for payment processing, customers are "No longer in control" on how...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Diffusion-Confusion Based Light-Weight Security for Item-RFID Tag-Reader Communication
February 11, 2011, 12:00am PST
In this paper the authors propose a challenge-response protocol called: DCSTaR, which takes a novel approach to solve security issues that are specific to low-cost item-RFID tags. DCSTaR protocol...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Untraceable Mobile Node Authentication in WSN
April 30, 2010, 12:00am PDT
Mobility of sensor node in Wireless Sensor Networks (WSNs) brings security issues such as re-authentication and tracing the node movement. However, current security researches on WSN are...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Design of Intrusion Detection System Preventing Insider Attack
August 19, 2009, 12:00am PDT
Recent reports show that the loss from the malicious intrusion by insiders is more serious than by outsiders. Despite that the various attacks are occurred by insiders and outsiders, most work has...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
An Efficient Anonymous Authentication Protocol in Vehicular Ad-Hoc Networks
August 20, 2009, 12:00am PDT
In this paper, the authors introduce an efficient anonymous authentication protocol in Vehicular Ad-hoc NETworks (VANETs) to resolve the issue on anonymous authentication for communication between...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Forward Secure ID-Based Group Key Agreement Protocol With Anonymity
March 27, 2009, 12:00am PDT
ID-based Group Key Agreement (GKA) has been increasingly researched with the advantage of simple public key management. However, identities of group members can be exposed in the ID-based GKA...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
An Enhanced Security Policy Framework for Android
January 28, 2011, 12:00am PST
Googles Android, a smartphone operating system, is used by many users, and the number of its users is increasing. However, because in Android Market, the application store only for Android, there...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
An Efficient and Privacy-Preserving Authentication Protocol for HAN
January 28, 2011, 12:00am PST
The SG (Smart Grid) system provides advantages for its stakeholders, which can not only reduce wasted energy and maintenance cost but also increase reliability with transparency during delivering...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Secure, Fast Rebuilding, and Energy Efficient Routing Protocol for Mission-Critical Application Over Wireless Sensor Networks
January 28, 2011, 12:00am PST
The mission-critical application over Wireless Sensor Network (WSN) such as fire alarm, radiation leak, and surveillance reconnaissance should support fast, reliable, and fault tolerant on its...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Reconsidering Ryu-Takagi RFID Authentication Protocol
October 19, 2010, 12:00am PDT
Authentication and privacy-preserving are two important security properties for a cryptographic protocol for RFID tags. However, providing privacy-preserving often increases the cost of looking up...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Authenticated and DoS-Resilient Channel Assignment Mechanism for Wireless Mesh Networks
January 22, 2010, 12:00am PST
Hyancinth is one of the popular node architectures proposed by Ashish et al. for efficient channel assignment in Multi-Radio Multi-Channel (MRMC) Wireless Mesh Networks (WMNs). However, the...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
A Privacy-Preserving Kid's Safety Care Service Based on Sensor Network in U-City
January 22, 2010, 12:00am PST
Although several mobile operators such as SKT, KTF, and LGT in Korea provide their own kid's safety care services to reduce many parents' concern, three problems still remain: incorrect location...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Scalable Grouping-Proof Protocol for RFID Tags
January 22, 2010, 12:00am PST
In this paper, the authors propose a grouping-proof protocol for RFID tags based on (n, n)-secret sharing. Their proposed protocol addresses the scalability issue of the previous protocols by...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
DoS-Resilient Authenticated Key Agreement Scheme Between Actor and Sensor Nodes in Wireless Sensor and Actor Network
September 14, 2009, 12:00am PDT
Recently, Wireless Sensor and Actor Network (WSAN), which is the integration of Mobile Ad-hoc Network (MANET) that consists of mobile nodes and Wireless Sensor Network (WSN) that consists of a...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Design of Multi-Party Meeting System for Interactive Collaboration
May 26, 2007, 12:00am PDT
With the advent of Gbps-range research and engineering networks, remote multi-party collaboration systems are getting more interest. However, most existing collaboration systems are limited in...
Provided by Gwangju Institute of Science and Technology
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White Papers
MobiCom 2010 Poster: Centralized Flow Coordination for Proportional Fairness in Enterprise Wireless Mesh Networks
October 12, 2010, 12:00am PDT
IEEE 802.11-based Enterprise WMNs (Wireless Mesh Networks) is one of possible practical extensions of WMNs. However, the wide adoption of Enterprise WMNs is limited by the flow unfairness problem...
Provided by Gwangju Institute of Science and Technology (GIST)
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Whitepapers
A User Friendly Internet Identity Management System
February 20, 2008, 12:00am PST
In this paper, the authors propose a client side identity management solution. The proposed system provides user registration and profile submission in very convenient manner. Web site login and...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Dynamic Virtual Machine Scheduling in Clouds for Architectural Shared Resources
May 17, 2012, 12:00am PDT
Although Virtual Machine (VM) migration has been used to avoid conflicts on traditional system resources like CPU and memory, micro-architectural resources such as shared caches, memory...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Precoder Design for Blind Channel Estimation in Multiple OFDM Systems
December 17, 2010, 12:00am PST
The problem of blind channel estimation for multiple single-antenna Orthogonal Frequency Division Multiplexing (OFDM) systems coexisting in the same band is considered. Based on the previous work...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Multimedia Networks Based Dynamic WCDMA System Proposal for Qos
October 1, 2011, 12:00am PDT
In WCDMA 3rd Generation (3G) systems although there is no need for frequency planning as the case with Second Generation (2G) systems, the limitation of both capacity and coverage by the...
Provided by Bansal Institute of Science and Technology
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White Papers
An Efficient Ranking Based Clustering Algorithm
October 1, 2011, 12:00am PDT
There are several databases, which contain large information about research publications in various fields, for examples, DBLP in computer science and PubMed in medical science. US Census data set...
Provided by Bansal Institute of Science and Technology
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White Papers
Signal Code Modulation for Broadband Wireless Systems
October 1, 2011, 12:00am PDT
This paper seeks to present ways to eliminate the inherent quantization noise component in digital communications, instead of conventionally making it minimal. It deals with a new concept of...
Provided by Bansal Institute of Science and Technology
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White Papers
Satellite Communication Networks Performance
October 1, 2011, 12:00am PDT
A number of serious consortiums develop satellite communication networks. The paper is to service personal communication users almost everywhere on earth. The inter satellite links in those...
Provided by Bansal Institute of Science and Technology
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White Papers
Packet Level Performance Analysis of a Packet Scheduler Exploiting Multiuser Diversity
July 27, 2009, 12:00am PDT
In this paper, the authors consider a packet scheduler exploiting multiuser diversity in a wireless network with AMC (Adaptive Modulation and Coding), and propose a packet level performance model...
Provided by Korea Advanced Institute of Science and Technology
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Analysis of Short Term Fairness and Its Impact on Packet Level Performance
March 26, 2010, 12:00am PDT
In this paper, the authors consider the one-bit feedback scheduler with a threshold in a wireless network. Due to its feedback reduction structure, the one-bit feedback scheduler has been studied...
Provided by Korea Advanced Institute of Science and Technology
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Performance Analysis of Single Source and Single Relay Cooperative ARQ Protocols Under Time Correlated Rayleigh Fading Channel
December 29, 2010, 12:00am PST
In this paper, the authors analyze the performance of a cooperative Automatic-Repeat-reQuest (ARQ) protocol under Poisson arrivals and time-correlated Rayleigh fading. The conventional...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Optimal Design for Dynamic Spectrum Access in Cognitive Radio Networks Under Rayleigh Fading
March 13, 2012, 12:00am PDT
The authors consider a time slotted cognitive radio network under Rayleigh fading where multiple Secondary Users (SUs) contend for spectrum usage over available primary users' channels. They...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Power Saving Scheme Based on Joint Control of Buffer-Threshold and Timer in Binary Exponential Sleep Mode
March 13, 2012, 12:00am PDT
The authors propose a new power saving scheme based on a buffer-threshold and timer in wireless packet networks. In a standard sleep mode operation with a binary exponential algorithm, a Mobile...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Infrastructure Support Increases the Capacity of Ad Hoc Wireless Networks
July 7, 2011, 12:00am PDT
Ad hoc wireless networks have been extensively studied since they can be used for future networks with various specific purposes. Because they can operate in an easily deployable,...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
A Virtualization Supportable Mesh Testbed With Integration of Network Simulator
April 18, 2008, 12:00am PDT
A one of major new trends in future Internet research is to focus on clean-slate design. Clean-slate design starts from clean-slate thinking and verifies its new idea using paperwork or simulation...
Provided by Korea Advanced Institute of Science and Technology
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Virtualization and Slicing of Wireless Mesh Network
May 26, 2008, 12:00am PDT
Experiments performed on a network provide an exact performance of network algorithms and protocols. While initial research ideas can be evaluated through analysis, simulations, and emulations,...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Common Code Architecture for Future Internet Researches in Wireless Mesh Networks
May 25, 2008, 12:00am PDT
One of new trends in future Internet research is to focus on clean-slate design. Clean-slate design starts from clean-slate thinking and verifies its new idea using simulation stuffs. Then the...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Discriminatory Congestion Pricing of Network Services: A Game Theoretic Approach Using Adverse Selection
June 1, 2007, 12:00am PDT
The quality of network services deteriorates as network utilization increases beyond a certain point, i.e., congestion externalities. Many researchers have proposed congestion pricing models which...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
CASFI Data Sharing Platform
April 3, 2009, 12:00am PDT
Effective data management has become a key in promoting data sharing within measurement-based research community. In this paper, the authors propose a framework that helps one to share not only...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Unmasking the Growing UDP Traffic in a Campus Network
January 3, 2012, 12:00am PST
Transmission Control Protocol (TCP) has been the dominating protocol for Internet traffic for the past decades. Most network research based on traffic analysis (e.g., router buffer sizing and...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Power Minimization in Decode-and-XOR-Forward Two-Way Relay Networks
January 30, 2012, 12:00am PST
The authors consider a two-way relay network where two sources exchange information. A relay helps the two sources exchange information using the decode-and-XOR-forward protocol. They investigate...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
A Context-Aware Framework Using Ontology for Smart Phone Platform
December 4, 2010, 12:00am PST
Context-awareness has been considered as promising topic in pervasive computing area, but a review of the existing approaches shown that developing diverse application services in this area is...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
A Method for Applying a Server/Client API Module in a D-DRM System Using ICN-OPENSSL
March 1, 2012, 12:00am PST
In this paper, the authors proposed a system architecture in which contents are distributed and stored in each local network caching server by building a CDN system in contents distribution...
Provided by Korea Institute of Science and Technology Information (KISTI)
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White Papers
Privacy-Preserving PKI Design Based on Group Signature
December 14, 2011, 12:00am PST
Nowadays, Internet becomes a part of the peoples' life. The authors can make use of numerous services with personal computer, laptop, tablet, smart phone or smart TV. These devices with network...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Crowdsourced Radiomap for Room-Level Place Recognition in Urban Environment
October 26, 2009, 12:00am PDT
The proliferation of WLAN infrastructures has facilitated numerous indoor localization techniques using WLAN fingerprints. In particular, identifying a room or a place in urban environments could...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
The Complexity of Quantitative Information Flow Problems
April 22, 2011, 12:00am PDT
In this paper, the authors investigate the computational complexity of Quantitative Information Flow (QIF) problems. Information-theoretic quantitative relaxations of noninterference (based on...
Provided by Institute of Science and Technology
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White Papers
Design Considerations for Ultra-Low Energy Wireless Micro Sensor Nodes
June 1, 2011, 12:00am PDT
This paper examines architectural and circuit design techniques for a micro sensor node operating at power levels low enough to enable the use of an energy harvesting source. These requirements...
Provided by Bansal Institute of Science and Technology
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White Papers
Traffic Modelling and Bandwidth Allocation Algorithm for Video Telephony Service Traffic
August 1, 2009, 12:00am PDT
In this paper, the authors analyze the stochastic characteristics of the measured video telephony service traffic and propose a mathematical model of the video telephony service traffic based on...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Design and Analysis of an Adaptive Guard Channel Based Cac Scheme in a 3G-WLAN Integrated Network
December 30, 2009, 12:00am PST
In wireless networks, guard channel based Call Admission Control (CAC) schemes are widely used to protect handoff calls for seamless wireless services. However, the introduction of guard channels...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Capacity Optimal Design of a Two-Hop Relay Network
January 14, 2010, 12:00am PST
In this paper, the authors consider a decode-and-forward two-hop relay network exploiting spatial diversity. By considering transmission overheads in detail to exploit spatial diversity, they...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Performance Modeling and Analysis of IEEE 802.15.4 Slotted CSMA/CA Protocol With ACK Mode
August 24, 2009, 12:00am PDT
In this paper, the authors propose an analytic model to analyze a Wireless Sensor Network (WSN) operating the IEEE 802.15.4 slotted CSMA/CA protocol with ACK mode. Based on the renewal...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Optimal Design and Analysis of a Two-Hop Relay Network Under Rayleigh Fading for Packet Delay Minimization
February 17, 2011, 12:00am PST
In this paper, the authors consider a wireless network consisting of a source node, a destination node and multiple relay nodes under Rayleigh fading. Cooperative diversity in the network is...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Unified Framework for Synchronization and BS Identification in Cellular OFDM Systems
March 14, 2008, 12:00am PDT
This paper shows initial-synchronization techniques including the Base Station IDentification (BS ID) for the cellular Orthogonal Frequency Division Multiplexing (OFDM) downlink systems. The novel...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
On the Design of Content-Centric MANETs
January 6, 2011, 12:00am PST
Content-centric networking focuses on data delivery rather than end-to-end reachability by decoupling resources from the hosts they reside on. The authors consider content-centric networking as a...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Emerging Ubiquitous Knowledge Services: From Mobile Sensing to Ubiquitous Crowdsourcing and Beyond
October 6, 2011, 12:00am PDT
Recent advances of information and communication technologies (e.g., smartphones and Web 2.0) have facilitated ubiquitous sensing and networked collaboration among people. This trend has...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Performance Analysis of Decentralized RAN (Radio Access Network) Discovery Schemes
January 1, 2011, 12:00am PST
As more wireless access networks become available, there is a new challenge emerged: how to discover currently available Radio Access Networks (RANs). To discover available RANs without help from...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Neighbor-Aware Adaptive Retry Limit for IEEE 802.11-Based Mobile Ad Hoc Networks
October 2, 2007, 12:00am PDT
In a Mobile Ad hoc NETwork (MANET), it has been addressed that packet losses due to collision are often misinterpreted as routing failures, and cause unnecessary overhead for routing maintenance....
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Achieving Throughput Fairness in Wireless Mesh Networks Based on IEEE 802.11
July 8, 2008, 12:00am PDT
In IEEE 802.11 based Wireless Mesh Networks (WMNs), unfair bandwidth sharing may arise since the CSMA/CA protocol is designed to provide per station fairness only in one hop. As the hop count from...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
StarBED2: Testbed for Networked Sensing Systems
July 6, 2007, 12:00am PDT
Nowadays many new technologies are being developed and introduced for Internet, home networks, and sensor networks. The new technologies must be evaluated in detail before deployment. However the...
Provided by Japan Advanced Institute of Science and Technology
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White Papers
Performance Analysis of IEEE 802.11 in Multi-Hop Wireless Networks
September 21, 2007, 12:00am PDT
Multi-hop wireless networks provide a quick and easy way for networking when the authors need a temporary network or when cabling is difficult. The 802.11 Medium Access Control (MAC) plays an...
Provided by Japan Advanced Institute of Science and Technology
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White Papers
Real-Time Emulation of Networked Robot Systems
January 17, 2008, 12:00am PST
In this paper, the authors present a methodology for the evaluation of networked systems communicating using WLAN technology. They show a case study of goal-oriented cooperating robots, for which...
Provided by Japan Advanced Institute of Science and Technology
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