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Korea Advanced Institute of Science and Technology
(91 results)-
White Papers
A Pilot System for Website Security-Level Check
April 8, 2008, 12:00am PDT
Protecting users from phishing attacks is one of the most challenging issues as Web became essential means of communication. Despite extensive research performed on the subject, perfect solutions...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Information Visualization With Text Data Mining for Knowledge Discovery Tools in Bioinformatics
July 18, 2009, 12:00am PDT
An abundant amount of information is produced in the digital domain, and an effective Information Extraction (IE) system is required to surf through this sea of information. This paper shows that...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Channel Assignment for Reliable Multicast in IEEE 802.11b Multi-Radio Multi-Channel Wireless Mesh Networks
July 27, 2009, 12:00am PDT
This paper deals with the channel assignment problem for multicast transmission in multi-radio, multi-channel wireless mesh networks. The objective is to maximize the minimum path success...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Service Oriented Wireless Sensor Network Toolbox for Consumer Applications
March 16, 2009, 12:00am PDT
Service-oriented computing which provides flexible composition of various applications using multiple reusable services has getting more attractive. It proposes a service oriented wireless sensor...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
SSL-Based Lightweight Security of IP-Based Wireless Sensor Networks
April 13, 2009, 12:00am PDT
IP-based Wireless Sensor Networks (IP-WSN) are popularly recognized as a global sensor networks infrastructure by combining IPv6 technology with Wireless Sensor Networks (WSN). However, IP-WSN,...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Early Exploration of Cloud Computing for Design Practice and Education
November 17, 2009, 12:00am PST
Cloud Computing, a phrase originally coined to represent telephony grids, is now used to generically describe service systems based on distributed computing of some description. In recent years...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Advanced Disjoint Address Allocation for Mobile Ad Hoc Networks
May 29, 2007, 12:00am PDT
Regarding to address allocation, a Mobile Ad hoc NETwork (MANET) may suffer from the lack of address and network partition/merging due to mobility of nodes. In this paper, the authors propose a...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Secure Two-Party Protocols for Point Inclusion Problem
May 29, 2007, 12:00am PDT
It is well known that, in theory, the general secure multi-party computation problem is solvable using circuit evaluation protocols. However, the communication complexity of the resulting...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Building a Single-Box 100 Gbps Software Router
April 13, 2010, 12:00am PDT
Commodity-hardware technology has advanced in great leaps in terms of CPU, memory, and I/O bus speeds. Benefiting from the hardware innovation, recent software routers on commodity PC now report...
Provided by Korea Advanced Institute of Science and Technology
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White Papers
Efficient Resource Capacity Estimate of Workflow Applications for Provisioning Resources
April 13, 2008, 12:00am PDT
Workflow technologies have become a major vehicle for the easy and efficient development of science applications. When integrating the workflow technology with the state-of-art resource...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Behavior-Based Mobility Prediction for Seamless Handoffs in Mobile Wireless Networks
December 27, 2010, 12:00am PST
The field of wireless networking has received unprecedented attention from the research community during the last decade due to its great potential to create new horizons for communicating beyond...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Adaptive Tuning Method for Maximizing Capacity in Magnetic Induction Communication
May 24, 2012, 12:00am PDT
Sensors are embedded in dense mediums, such as walls of building and underground, for various applications. However, traditional wireless communication using Electro-Magnetic (EM) waves does not...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
A Group-Based Communication Scheme Based on the Location Information of MTC Devices in Cellular Networks
May 24, 2012, 12:00am PDT
Recent standardization efforts in the 3rd Generation Partnership Project (3GPP) have made the Long Term Evolution (LTE) system a very attractive radio access technology for various types of...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Smart Scanning for Mobile Devices in WLANs
May 24, 2012, 12:00am PDT
A recent proliferation of mobile devices led to immense deployment of WLAN Access Points (APs). IEEE 802.11 mobile devices periodically perform active background scanning to discover available APs...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Modeling and Analysis of an Energy-Efficient Sleep-Mode Operation in IEEE 802.16e System
May 24, 2012, 12:00am PDT
Power saving mechanisms with sleep-mode operations have been used in IEEE 802.16e in order to extend the battery lifetime of mobile devices. The standard sleep-mode operation needs to meet a given...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Parallel LDPC Decoder Implementation on GPU Based on Unbalanced Memory Coalescing
May 24, 2012, 12:00am PDT
The authors consider flexible decoder implementation of Low Density Parity Check (LDPC) codes via Compute-Unified-Device Architecture (CUDA) programming on Graphics Processing Unit (GPU), a...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
A Location Update Scheme Using Multi-Hop Pointer Forwarding in Low-Rate Wireless Mesh Networks
March 12, 2012, 12:00am PDT
Recently, a Pointer Forwarding Scheme (PFS) was proposed to reduce location update overhead in wireless mesh networks. Using the PFS, location update is replaced with a simple forwarding pointer...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Performance Analysis of OSTBC in Gamma-Gamma Fading Channels
March 12, 2012, 12:00am PDT
The Multi-Input Multi-Output (MIMO) system with a Subcarrier Intensity Modulation (SIM) scheme in Free-Space Optics (FSO) has a huge merit for ultra wide band communications mainly due to its...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Orthogonal Beamforming for Overlay Mode of OFDMA-Based Rural Broadband Wireless Access
March 12, 2012, 12:00am PDT
The authors consider an overlay mode of an Orthogonal Frequency Division Multiple Access (OFDMA) based cellular system using orthogonal beam-forming to provide broadband wireless access for rural...
Provided by Korea Advanced Institute of Science and Technology
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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
-
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
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
-
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
-
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
-
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
-
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
-
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
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 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
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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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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
Whitepapers
Orthogonal Beamforming for Overlay Mode of OFDMA-Based Rural Broadband Wireless Access
March 12, 2012, 12:00am PDT
The authors consider an overlay mode of an Orthogonal Frequency Division Multiple Access (OFDMA) based cellular system using orthogonal beam-forming to provide broadband wireless access for rural...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Performance Analysis of OSTBC in Gamma-Gamma Fading Channels
March 12, 2012, 12:00am PDT
The Multi-Input Multi-Output (MIMO) system with a Subcarrier Intensity Modulation (SIM) scheme in Free-Space Optics (FSO) has a huge merit for ultra wide band communications mainly due to its...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
A Location Update Scheme Using Multi-Hop Pointer Forwarding in Low-Rate Wireless Mesh Networks
March 12, 2012, 12:00am PDT
Recently, a Pointer Forwarding Scheme (PFS) was proposed to reduce location update overhead in wireless mesh networks. Using the PFS, location update is replaced with a simple forwarding pointer...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Parallel LDPC Decoder Implementation on GPU Based on Unbalanced Memory Coalescing
May 24, 2012, 12:00am PDT
The authors consider flexible decoder implementation of Low Density Parity Check (LDPC) codes via Compute-Unified-Device Architecture (CUDA) programming on Graphics Processing Unit (GPU), a...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Modeling and Analysis of an Energy-Efficient Sleep-Mode Operation in IEEE 802.16e System
May 24, 2012, 12:00am PDT
Power saving mechanisms with sleep-mode operations have been used in IEEE 802.16e in order to extend the battery lifetime of mobile devices. The standard sleep-mode operation needs to meet a given...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Smart Scanning for Mobile Devices in WLANs
May 24, 2012, 12:00am PDT
A recent proliferation of mobile devices led to immense deployment of WLAN Access Points (APs). IEEE 802.11 mobile devices periodically perform active background scanning to discover available APs...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
A Group-Based Communication Scheme Based on the Location Information of MTC Devices in Cellular Networks
May 24, 2012, 12:00am PDT
Recent standardization efforts in the 3rd Generation Partnership Project (3GPP) have made the Long Term Evolution (LTE) system a very attractive radio access technology for various types of...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Adaptive Tuning Method for Maximizing Capacity in Magnetic Induction Communication
May 24, 2012, 12:00am PDT
Sensors are embedded in dense mediums, such as walls of building and underground, for various applications. However, traditional wireless communication using Electro-Magnetic (EM) waves does not...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Behavior-Based Mobility Prediction for Seamless Handoffs in Mobile Wireless Networks
December 27, 2010, 12:00am PST
The field of wireless networking has received unprecedented attention from the research community during the last decade due to its great potential to create new horizons for communicating beyond...
Provided by Korea Advanced Institute of Science and Technology
-
Whitepapers
Antenna Scaling of Multi-Antenna Gaussian Broadcast Channels
February 20, 2008, 12:00am PST
The authors study the gain of Dirty Paper Coding (DPC) by investigating the sum rate as the number of antennas at the transmitter grows in a multi-user MISO broadcast channel. They show a...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Iterative Decoding for Low-Density Parity-Check Lattices
February 20, 2008, 12:00am PST
High-dimensional lattice codes can provide relatively large coding gains and the gain increases with dimension. However, the authors are difficult to implement in practice due to the decoding...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
KT's Deployment With Fiber to the Home
February 20, 2008, 12:00am PST
The competition between Telcos and cable TV operators becomes intense for the broadband Internet service market in Korea. Also, IPTV service is becoming a hot issue these days since it is recently...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Design of IPv6 Tactical Network Based on Commercial Technologies: Architecture, Routing, and Mobility Management
February 20, 2008, 12:00am PST
To achieve information superiority in the theater of operations, establishing a robust communication infrastructure is unquestionably required. Although many studies related to tactical network...
Provided by Korea Advanced Institute of Science and Technology
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Whitepapers
Alternative Attempts can Increase Transmission Opportunities in 802.11-Based Wireless Mesh Networks
February 20, 2008, 12:00am PST
Every station within carrier sense zone must keep quiet till the end of transmission which originates that carrier sense zone. The authors observe futile transmission attempts into this carrier...
Provided by Korea Advanced Institute of Science and Technology
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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
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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White Papers
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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White Papers
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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White Papers
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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