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Chonbuk National University
(24 results)-
White Papers
A Study on Recent Approaches in Handling DDoS Attacks
December 14, 2010, 12:00am PST
In this paper, the authors present a study on the recent approaches in handling Distributed Denial of Service (DDoS) attacks. DDoS attack is a fairly new type of attack to cripple the availability...
Provided by Chonbuk National University
-
White Papers
Approximation of MIMO Nonlinear Time Delay Problem
May 12, 2008, 12:00am PDT
A new discretization method is proposed for Multi-Input Multi-Output (MIMO) nonlinear continuous systems with time delay, based on the Taylor series expansion and first-order hold. The new...
Provided by Chonbuk National University
-
White Papers
Autonomous Business Card Exchange System Using ZigBee Interfaced to Portable Mobile Phone
May 10, 2008, 12:00am PDT
As one of mobile phone applications, autonomous business card exchange system using ZigBee with low power and short range was configured. In the autonomous business card exchange system...
Provided by Chonbuk National University
-
White Papers
Modified Clipping in Superposition Coding System in Low Region of Clipping Ratio
May 15, 2008, 12:00am PDT
Recently, an attractive Multi-layer Interleave-Division Multiple Access (IDMA) inherently exhibits a large peak-to-average power ratio. Due to this reason, in the authors have investigated...
Provided by Chonbuk National University
-
White Papers
MAC Protocol Based on Multi-Tiered Virtual Clusters for Wireless Sensor Networks
May 16, 2008, 12:00am PDT
Wireless Sensor Networks (WSNs) have various applications to tracing, alarming and monitoring the information in physical world. Environment monitoring applications monitor the temperature,...
Provided by Chonbuk National University
-
White Papers
Analysis of the Channel Property for Mobile Satellite Communications
May 14, 2008, 12:00am PDT
Present communication systems integrate with various communication network system for the entrance to a ubiquitous information society. Especially, the broadcasting and multi-casting services are...
Provided by Chonbuk National University
-
White Papers
An Efficient Mobile Object Tracking Method Based on Dynamic Clustering in Sensor Network
May 10, 2008, 12:00am PDT
The ubiquitous environment can access information; whatever people want, whenever they want, no matter what they use by either wired or wireless network. So, this environment requires being aware...
Provided by Chonbuk National University
-
White Papers
A Coverage Efficient Clustering Method Based on Time Delay for Wireless Sensor Networks
May 7, 2008, 12:00am PDT
Energy efficient operations are essential to increase the lifetime of wireless sensor network. A clustering-based protocol is one approach that reduces energy by a data aggregation. In this paper...
Provided by Chonbuk National University
-
White Papers
Implementation of FlexRay CC and BG Protocols With Application to a Robot System
May 14, 2008, 12:00am PDT
FlexRay is a new standard of network communication system which provides a high speed serial communication, time triggered bus and fault tolerant communication between electronic devices for...
Provided by Chonbuk National University
-
White Papers
QoS Enhancement Scheme for Real-Time Service in Ad Hoc Networks
May 13, 2008, 12:00am PDT
This paper discussed about the timeslot management scheme in Ad hoc network in order to maintain the real-time communication. The flexibility in topology is one of the motivating and challenging...
Provided by Chonbuk National University
-
White Papers
Performance Modeling for Voice Over MANET in IEEE 802.11b
May 13, 2008, 12:00am PDT
In this paper, the performance evaluation model of a novel medium access control mechanism that can be transmitted real-time traffic in ad hoc networks is presented. Even though DCF and EDCA are...
Provided by Chonbuk National University
-
White Papers
Design the Migration-Based Partitioning Method for Balancing Server Load in DVE
May 15, 2008, 12:00am PDT
MMORPGs may involve a great number of concurrent players, and those servers usually have to manage hundred, or even thousands of avatars co-existing in the same virtual world. So failing to send a...
Provided by Chonbuk National University
-
White Papers
Embedded System Software Testing Based on SOA for Mobile Service
November 28, 2008, 12:00am PST
Recently, the need for accessing information from anywhere at any time has been a driving force for a variety of mobile applications. As the number of embedded systems increases rapidly, there has...
Provided by Chonbuk National University
-
White Papers
Data Modeling of Wf-XML Resource Model for Run-Time Integration of Workflow Engine
November 28, 2008, 12:00am PST
A series of business process in which customers, suppliers, business partners co-operate one another and share information can be frequently found in e-commerce. Wf-XML (Workflow-XML) is the...
Provided by Chonbuk National University
-
White Papers
A Simple Alamouti Code Communication Scheme for Synchronous Cooperative Relay Systems
May 14, 2008, 12:00am PDT
At present, people become more concerned with the cooperative diversity technique because cooperative relaying is a promising extension to the recent research field of relay networks where several...
Provided by Chonbuk National University
-
White Papers
An Efficient Network Delay Analysis Using End-to-End Delay-Constraint
May 13, 2008, 12:00am PDT
Multicast services are used in emerging multimedia applications based on Quality of Service (QoS) development of multimedia group application and the construction of multicast routing tree is...
Provided by Chonbuk National University
-
White Papers
Debugging of Target Assembly Library Codes Using Host Debugging Tool
May 15, 2008, 12:00am PDT
Since development of digital system becomes more sensitive to time-to-market than ever, it is necessary to reduce development time. This paper describes a debugging method for library function...
Provided by Chonbuk National University
-
Whitepapers
An Object Version Transcoding for Streaming Media Services in Wireless Networks
January 1, 2013, 12:00am PST
Transcoding has a significant effect on streaming media services in wire-less networks. The goal of this paper is to reduce network traffic due to high network bandwidth demand and streaming...
Provided by Chonbuk National University
-
Whitepapers
A Proxy Caching Scheme Based on Partition and Mapping of Media Block Segments
February 1, 2012, 12:00am PST
Many studies have been performed for streaming of multimedia data in response to the recent increase in requests for wireless services and multimedia services based on distributed networks. The...
Provided by Chonbuk National University
-
Whitepapers
TRM-Based Multimedia Streaming Optimization Scheme in Wireless Networks
April 1, 2011, 12:00am PDT
In this paper, the authors propose a TRM (Transmission Rate Monitoring) based streaming optimization scheme to minimize packet loss and improve QoS (Quality of Service) in wireless networks. The...
Provided by Chonbuk National University
-
Whitepapers
Interference Cancellation Using Logic or Operation in MIMO Receiver
February 1, 2013, 12:00am PST
Lately, interference cancellation is a hard challenge in a cellular communication system. In this paper, the authors consider the interference cancellation using logic OR gate from the Multiple...
Provided by Chonbuk National University
-
Whitepapers
Iteratively Suboptimum Decoder Design for Distributed Space-Time Coding Based on Distributed Interleavers
October 27, 2009, 12:00am PDT
The authors have presented a detailed analysis on the problem of distributed space-time coding employing Amplify-and-Forward (AF) protocol for synchronized wireless relay networks, where Maximum...
Provided by Chonbuk National University
-
Whitepapers
A Study on the Separation Distance for Frequency Sharing between GSO Network and Terrestrial Network in Ka Band
April 15, 2008, 12:00am PDT
Co-existence of various wireless systems may cause frequency interference problems. For this reason, frequency sharing studies play a very important role in order to use limited spectrum resources...
Provided by Chonbuk National University
-
White Papers
A 3.125Gb/s Clock and Data Recovery Circuit Using 1/4-Rate Technique
February 17, 2008, 12:00am PST
This paper describes the design and fabrication of a Clock and Data Recovery circuit (CDR). The paper proposes a new clock and data recovery which is based on a 1/4-Rate Frequency Detector (QRFD)....
Provided by Chonbuk National University
-
Whitepapers
A Study on the Separation Distance for Frequency Sharing between GSO Network and Terrestrial Network in Ka Band
April 15, 2008, 12:00am PDT
Co-existence of various wireless systems may cause frequency interference problems. For this reason, frequency sharing studies play a very important role in order to use limited spectrum resources...
Provided by Chonbuk National University
-
Whitepapers
Iteratively Suboptimum Decoder Design for Distributed Space-Time Coding Based on Distributed Interleavers
October 27, 2009, 12:00am PDT
The authors have presented a detailed analysis on the problem of distributed space-time coding employing Amplify-and-Forward (AF) protocol for synchronized wireless relay networks, where Maximum...
Provided by Chonbuk National University
-
Whitepapers
Interference Cancellation Using Logic or Operation in MIMO Receiver
February 1, 2013, 12:00am PST
Lately, interference cancellation is a hard challenge in a cellular communication system. In this paper, the authors consider the interference cancellation using logic OR gate from the Multiple...
Provided by Chonbuk National University
-
Whitepapers
TRM-Based Multimedia Streaming Optimization Scheme in Wireless Networks
April 1, 2011, 12:00am PDT
In this paper, the authors propose a TRM (Transmission Rate Monitoring) based streaming optimization scheme to minimize packet loss and improve QoS (Quality of Service) in wireless networks. The...
Provided by Chonbuk National University
-
Whitepapers
A Proxy Caching Scheme Based on Partition and Mapping of Media Block Segments
February 1, 2012, 12:00am PST
Many studies have been performed for streaming of multimedia data in response to the recent increase in requests for wireless services and multimedia services based on distributed networks. The...
Provided by Chonbuk National University
-
Whitepapers
An Object Version Transcoding for Streaming Media Services in Wireless Networks
January 1, 2013, 12:00am PST
Transcoding has a significant effect on streaming media services in wire-less networks. The goal of this paper is to reduce network traffic due to high network bandwidth demand and streaming...
Provided by Chonbuk National University
-
White Papers
Debugging of Target Assembly Library Codes Using Host Debugging Tool
May 15, 2008, 12:00am PDT
Since development of digital system becomes more sensitive to time-to-market than ever, it is necessary to reduce development time. This paper describes a debugging method for library function...
Provided by Chonbuk National University
-
White Papers
An Efficient Network Delay Analysis Using End-to-End Delay-Constraint
May 13, 2008, 12:00am PDT
Multicast services are used in emerging multimedia applications based on Quality of Service (QoS) development of multimedia group application and the construction of multicast routing tree is...
Provided by Chonbuk National University
-
White Papers
A Simple Alamouti Code Communication Scheme for Synchronous Cooperative Relay Systems
May 14, 2008, 12:00am PDT
At present, people become more concerned with the cooperative diversity technique because cooperative relaying is a promising extension to the recent research field of relay networks where several...
Provided by Chonbuk National University
-
White Papers
Data Modeling of Wf-XML Resource Model for Run-Time Integration of Workflow Engine
November 28, 2008, 12:00am PST
A series of business process in which customers, suppliers, business partners co-operate one another and share information can be frequently found in e-commerce. Wf-XML (Workflow-XML) is the...
Provided by Chonbuk National University
-
White Papers
Embedded System Software Testing Based on SOA for Mobile Service
November 28, 2008, 12:00am PST
Recently, the need for accessing information from anywhere at any time has been a driving force for a variety of mobile applications. As the number of embedded systems increases rapidly, there has...
Provided by Chonbuk National University
-
White Papers
Design the Migration-Based Partitioning Method for Balancing Server Load in DVE
May 15, 2008, 12:00am PDT
MMORPGs may involve a great number of concurrent players, and those servers usually have to manage hundred, or even thousands of avatars co-existing in the same virtual world. So failing to send a...
Provided by Chonbuk National University
-
White Papers
Performance Modeling for Voice Over MANET in IEEE 802.11b
May 13, 2008, 12:00am PDT
In this paper, the performance evaluation model of a novel medium access control mechanism that can be transmitted real-time traffic in ad hoc networks is presented. Even though DCF and EDCA are...
Provided by Chonbuk National University
-
White Papers
QoS Enhancement Scheme for Real-Time Service in Ad Hoc Networks
May 13, 2008, 12:00am PDT
This paper discussed about the timeslot management scheme in Ad hoc network in order to maintain the real-time communication. The flexibility in topology is one of the motivating and challenging...
Provided by Chonbuk National University
-
White Papers
Implementation of FlexRay CC and BG Protocols With Application to a Robot System
May 14, 2008, 12:00am PDT
FlexRay is a new standard of network communication system which provides a high speed serial communication, time triggered bus and fault tolerant communication between electronic devices for...
Provided by Chonbuk National University
-
White Papers
A Coverage Efficient Clustering Method Based on Time Delay for Wireless Sensor Networks
May 7, 2008, 12:00am PDT
Energy efficient operations are essential to increase the lifetime of wireless sensor network. A clustering-based protocol is one approach that reduces energy by a data aggregation. In this paper...
Provided by Chonbuk National University
-
White Papers
An Efficient Mobile Object Tracking Method Based on Dynamic Clustering in Sensor Network
May 10, 2008, 12:00am PDT
The ubiquitous environment can access information; whatever people want, whenever they want, no matter what they use by either wired or wireless network. So, this environment requires being aware...
Provided by Chonbuk National University
-
White Papers
Analysis of the Channel Property for Mobile Satellite Communications
May 14, 2008, 12:00am PDT
Present communication systems integrate with various communication network system for the entrance to a ubiquitous information society. Especially, the broadcasting and multi-casting services are...
Provided by Chonbuk National University
-
White Papers
MAC Protocol Based on Multi-Tiered Virtual Clusters for Wireless Sensor Networks
May 16, 2008, 12:00am PDT
Wireless Sensor Networks (WSNs) have various applications to tracing, alarming and monitoring the information in physical world. Environment monitoring applications monitor the temperature,...
Provided by Chonbuk National University
-
White Papers
Modified Clipping in Superposition Coding System in Low Region of Clipping Ratio
May 15, 2008, 12:00am PDT
Recently, an attractive Multi-layer Interleave-Division Multiple Access (IDMA) inherently exhibits a large peak-to-average power ratio. Due to this reason, in the authors have investigated...
Provided by Chonbuk National University
-
White Papers
Autonomous Business Card Exchange System Using ZigBee Interfaced to Portable Mobile Phone
May 10, 2008, 12:00am PDT
As one of mobile phone applications, autonomous business card exchange system using ZigBee with low power and short range was configured. In the autonomous business card exchange system...
Provided by Chonbuk National University
-
White Papers
Approximation of MIMO Nonlinear Time Delay Problem
May 12, 2008, 12:00am PDT
A new discretization method is proposed for Multi-Input Multi-Output (MIMO) nonlinear continuous systems with time delay, based on the Taylor series expansion and first-order hold. The new...
Provided by Chonbuk National University
-
White Papers
A Study on Recent Approaches in Handling DDoS Attacks
December 14, 2010, 12:00am PST
In this paper, the authors present a study on the recent approaches in handling Distributed Denial of Service (DDoS) attacks. DDoS attack is a fairly new type of attack to cripple the availability...
Provided by Chonbuk National University
-
White Papers
A 3.125Gb/s Clock and Data Recovery Circuit Using 1/4-Rate Technique
February 17, 2008, 12:00am PST
This paper describes the design and fabrication of a Clock and Data Recovery circuit (CDR). The paper proposes a new clock and data recovery which is based on a 1/4-Rate Frequency Detector (QRFD)....
Provided by Chonbuk National University
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