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National Cheng Kung University
(34 results)-
White Papers
Predicting Change Propagation in Software System With Data Mining Techniques
May 18, 2008, 12:00am PDT
Software maintenance is a very costly and time-consuming work during the software life cycle. The problems with software maintenance are even more pressing in the software system. Software...
Provided by National Cheng Kung University
-
White Papers
A Survey of VoIP Implementations in Taiwan 500 Biggest Export-Import Enterprises
November 7, 2007, 12:00am PST
Voice over Internet Protocol (VoIP) is a critical innovation technology in the globally oriented business world, which emphasizes flexibility and efficiency as means to reduce operation cost and...
Provided by National Cheng Kung University
-
White Papers
PAT: A Path-Aggregation-Tree Multicast Routing Protocol in Wireless Sensor Networks
October 28, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) make possible many new applications in a wide range of application domains. Many of these applications are based on a many-to-many communication paradigm in which...
Provided by National Cheng Kung University
-
White Papers
Fairness and QoS Guarantees of WiMAX OFDMA Scheduling With Fuzzy Controls
December 29, 2008, 12:00am PST
IEEE 802.16 standard (WiMAX) is one of the most popular standards for fixed and mobile broadband wireless access systems to provide last mile access. Due to various users with diverse QoS...
Provided by National Cheng Kung University
-
White Papers
A Sharable JAVA Class Library for e-Learning
December 25, 2008, 12:00am PST
This paper defines a sharable JAVA class library for e-learning which helps develop flexible e-learning courses with the ability of interaction between client side and server side. Also the...
Provided by National Cheng Kung University
-
White Papers
Reliable Data Broadcast for Zigbee Wireless Sensor Networks
September 1, 2010, 12:00am PDT
As people know, the data transmission in the wireless networks is more unreliable than it is in the wired network environment. Although the virtual carrier sensing scheme can be used in the...
Provided by National Cheng Kung University
-
White Papers
Loss Aversion And The January Size Effect: Evidence From Three Chinese Culture-oriented Stock Markets
June 18, 2008, 12:00am PDT
The remarkable economic growth in the Pacific-Basin Chinese region has made the area's stock markets attractive to investors around the world. Researchers have also shown tremendous interest in...
Provided by National Cheng Kung University
-
White Papers
Ontology-Based Knowledge Integration for Distributed Product Knowledge Service
October 22, 2009, 12:00am PDT
Conventional business models focus on providing end products and services regardless of product or service related knowledge. Such models are unable to meet customer requirements in the age of...
Provided by National Cheng Kung University
-
White Papers
Beyond ERP Implementation: The Moderating Effect of Knowledge Management on Business Performance
September 30, 2010, 12:00am PDT
The implementation of an Enterprise Resource Planning (ERP) system is known to be time consuming and resource demanding. The success rate of implementation has been notoriously low. This may be...
Provided by National Cheng Kung University
-
White Papers
Using an Enhanced Ant Colony System to Solve Resource-Constrained Project Scheduling Problem
November 1, 2006, 12:00am PST
This study presents and evaluates a modified Ant Colony Optimization (ACO) approach for the resource-constrained project scheduling problems. A modified ant colony system is proposed to solve the...
Provided by National Cheng Kung University
-
White Papers
A Web Service Model for Evaluating an e-Commerce Site: Mining On-Line Customers' Preferences
July 1, 2006, 12:00am PDT
e-Commerce become a new way of doing business. Many businesses have built their own e-Commerce sites. Most of them cover lots of functions in one site. However, most company managers do not know...
Provided by National Cheng Kung University
-
White Papers
Short-Code Threading: A Memory-Saving and Efficient Approach to Accelerate the Token Threaded Code for Embedded Systems
May 17, 2008, 12:00am PDT
Short-code threading for virtual machine interpreters is substantially similar to direct threading. But short-code threading consumes less memory at the cost of a little performance degradation,...
Provided by National Cheng Kung University
-
White Papers
An Embedded System Design for Speech Command Recognition Using Improved AMDF-Based Pitch Features
May 7, 2008, 12:00am PDT
This paper presents an embedded system design for speech command recognition using improved AMDF (Average Magnitude Difference Function)-based pitch features. Compared with the autocorrelation...
Provided by National Cheng Kung University
-
White Papers
A RSSI-Based Algorithm for Indoor Localization Using ZigBee in Wireless Sensor Network
June 25, 2009, 12:00am PDT
For the various applications in home automation, the service system requires to precisely estimate user's locations by certain sensors. It is considered as a challenge to automatically serve a...
Provided by National Cheng Kung University
-
White Papers
A Method to Diagnose Self-Weaknesses for Software Development Organizations
January 1, 2011, 12:00am PST
A root cause is a source of a defect such that if it is removed, the defect is subsequently decreased or removed. By analyzing the root causes of defects of the software projects, the authors will...
Provided by National Cheng Kung University
-
White Papers
A Fast and Memory Efficient Dynamic IP Lookup Algorithm Based on B-Tree
March 2, 2009, 12:00am PST
The Internet consists of a mesh of routers interconnected by links. In a router, the major function in packet forwarding process is to lookup the destination addresses for the incoming packets...
Provided by National Cheng Kung University
-
White Papers
A Pipelined IP Forwarding Engine With Fast Update
February 21, 2009, 12:00am PST
IP address lookup is one of the most important functionalities in the router design. To meet the requirements in high speed routers consisting of linecards with 40Gbps transfer rates, researchers...
Provided by National Cheng Kung University
-
White Papers
Packet Processing With Blocking For Bursty Traffic on Multi-Thread Network Processor
February 14, 2009, 12:00am PST
It is well-known that there are bursty accesses in network traffic. It means a burst of packets with the same meaningful headers are usually received by routers at the same time. With such...
Provided by National Cheng Kung University
-
White Papers
Fully Pre-Splicing TCP for Web Switches
August 7, 2006, 12:00am PDT
Fully Pre-Splicing (FPS) is an extension of TCP splicing which is content-blind that prevents the switches from using application layer information for forwarding decisions. FPS extends TCP...
Provided by National Cheng Kung University
-
White Papers
Towards Optimized Packet Processing for Multithreaded Network Processor
April 8, 2010, 12:00am PDT
With the evolution of the Internet, current routers need to support a variety of emerging network applications while the high packet processing rate is still guaranteed. As a result, the network...
Provided by National Cheng Kung University
-
White Papers
MyEvalvid_RTP: A Evaluation Framework for More Realistic Simulations of Multimedia Transmission
April 1, 2008, 12:00am PDT
Recently, multimedia is a more and more important Internet service. For multimedia, Quality of Service (QoS) support is a crucial requirement. To meet these QoS requirements, researchers develop...
Provided by National Cheng Kung University
-
White Papers
A Feasibility Study on Vehicle-to-Infrastructure Communication: WiFi Vs. WiMAX
February 23, 2011, 12:00am PST
Vehicular network is becoming increasingly popular in recent years, in which vehicles constitute a wireless mobile network. Vehicle-To-Vehicle (V2V) and Vehicle-To-Infrastructure (V2I) are two...
Provided by National Cheng Kung University
-
White Papers
Evaluating the Perceived Quality of Infrastructure-Less VOIP
April 14, 2011, 12:00am PDT
Voice over IP (VoIP) is one of the most popular Internet applications. Many VoIP protocols (e.g. SIP) are based on a central-server scheme in which a caller needs to query the central server first...
Provided by National Cheng Kung University
-
White Papers
Localized Data Dissemination in Vehicular Sensing Networks
July 15, 2009, 12:00am PDT
A Vehicular Sensing Network (VSN) is a type of Wireless Sensor Network that empowers legacy resource-constrained WSNs by taking advantage of the rich network resources (e.g., the battery life,...
Provided by National Cheng Kung University
-
White Papers
Measuring the Location of Bio-Sensing Sensors
July 26, 2010, 12:00am PDT
In recent years, the wireless sensor network is getting more and more popular and applied into many applications. Depending on different requirements, people usually use more than one sensor in...
Provided by National Cheng Kung University
-
White Papers
On the Effects of Detailed Mobility Models in Vehicular Network Simulations
July 4, 2008, 12:00am PDT
Vehicular Ad-Hoc NETwork (VANET) communication has recently become an increasingly popular research topic in the area of wireless networking as well as the automotive industries. The goal of VANET...
Provided by National Cheng Kung University
-
White Papers
On the Feasibility of Using 802.11p for Communication of Electronic Toll Collection Systems
May 23, 2011, 12:00am PDT
In an 802.11p (so-called DSRC) network, the WSMP protocol is used for the communication between OBU and RSU. Unlike a wired network, an 802.11p wireless network is prone to fading, shadowing and...
Provided by National Cheng Kung University
-
White Papers
The Effect of Radio Models on Vehicle Network Simulations
April 4, 2007, 12:00am PDT
One emerging type of ad-hoc network is the Vehicular Ad-Hoc NETwork (VANET), in which vehicles constitute the mobile nodes in the network. Due to the prohibitive cost of deploying and implementing...
Provided by National Cheng Kung University
-
White Papers
The Effects of Detailed Mobility Models on Vehicular Network Simulations
July 31, 2009, 12:00am PDT
While it is crucial to test and evaluate protocol implementations in a real world environment, simulations are still commonly used as a first step in the protocol development for Vehicular Ad-Hoc...
Provided by National Cheng Kung University
-
White Papers
Spectrum Sharing in Cognitive Radio Networks - An Auction Based Approach
October 10, 2009, 12:00am PDT
Cognitive radio is emerging as a promising technique to improve the utilization of radio frequency spectrum. In this paper, the authors consider the problem of spectrum sharing among primary (or...
Provided by National Cheng Kung University
-
White Papers
SenseKey - Simplifying the Selection of Key Management Schemes for Sensor Networks
December 2, 2010, 12:00am PST
Key Management Schemes (KMS) are a very important security mechanism for Wireless Sensor Networks (WSN), as they are used to manage the credentials (i.e. secret keys) that are needed by the...
Provided by National Cheng Kung University
-
White Papers
A Delay-Bounded Relaying Diversity Scheme in Multi-User Cooperative Wireless Networks
April 19, 2011, 12:00am PDT
Relay-assisted cooperative communication has received considerable attention as a promising approach to alleviate the burden of installing multiple antennas on simple terminals but still achieving...
Provided by National Cheng Kung University
-
White Papers
Region-Based Deployment Scheme for Wireless Sensor Networks
July 14, 2006, 12:00am PDT
This paper proposes Region-based Deployment Scheme for wireless sensor networks. Before deployment, the authors can divide the sensor field into several regions. According to the position of each...
Provided by National Cheng Kung University
-
White Papers
Effects of Subcarrier Power Allocation on an Interference Avoidance Code Assignment Strategy for Multi-Rate MC-DS-CDMA Systems
April 5, 2007, 12:00am PDT
In this paper, the authors propose a joint Sub-carrier Power Allocation (SPA) and code assignment scheme for the synchronous multi-rate MC-DS-CDMA system with time- and frequency-domain spreading....
Provided by National Cheng Kung University
-
White Papers
Effects of Subcarrier Power Allocation on an Interference Avoidance Code Assignment Strategy for Multi-Rate MC-DS-CDMA Systems
April 5, 2007, 12:00am PDT
In this paper, the authors propose a joint Sub-carrier Power Allocation (SPA) and code assignment scheme for the synchronous multi-rate MC-DS-CDMA system with time- and frequency-domain spreading....
Provided by National Cheng Kung University
-
White Papers
Region-Based Deployment Scheme for Wireless Sensor Networks
July 14, 2006, 12:00am PDT
This paper proposes Region-based Deployment Scheme for wireless sensor networks. Before deployment, the authors can divide the sensor field into several regions. According to the position of each...
Provided by National Cheng Kung University
-
White Papers
A Delay-Bounded Relaying Diversity Scheme in Multi-User Cooperative Wireless Networks
April 19, 2011, 12:00am PDT
Relay-assisted cooperative communication has received considerable attention as a promising approach to alleviate the burden of installing multiple antennas on simple terminals but still achieving...
Provided by National Cheng Kung University
-
White Papers
SenseKey - Simplifying the Selection of Key Management Schemes for Sensor Networks
December 2, 2010, 12:00am PST
Key Management Schemes (KMS) are a very important security mechanism for Wireless Sensor Networks (WSN), as they are used to manage the credentials (i.e. secret keys) that are needed by the...
Provided by National Cheng Kung University
-
White Papers
Spectrum Sharing in Cognitive Radio Networks - An Auction Based Approach
October 10, 2009, 12:00am PDT
Cognitive radio is emerging as a promising technique to improve the utilization of radio frequency spectrum. In this paper, the authors consider the problem of spectrum sharing among primary (or...
Provided by National Cheng Kung University
-
White Papers
The Effects of Detailed Mobility Models on Vehicular Network Simulations
July 31, 2009, 12:00am PDT
While it is crucial to test and evaluate protocol implementations in a real world environment, simulations are still commonly used as a first step in the protocol development for Vehicular Ad-Hoc...
Provided by National Cheng Kung University
-
White Papers
The Effect of Radio Models on Vehicle Network Simulations
April 4, 2007, 12:00am PDT
One emerging type of ad-hoc network is the Vehicular Ad-Hoc NETwork (VANET), in which vehicles constitute the mobile nodes in the network. Due to the prohibitive cost of deploying and implementing...
Provided by National Cheng Kung University
-
White Papers
On the Feasibility of Using 802.11p for Communication of Electronic Toll Collection Systems
May 23, 2011, 12:00am PDT
In an 802.11p (so-called DSRC) network, the WSMP protocol is used for the communication between OBU and RSU. Unlike a wired network, an 802.11p wireless network is prone to fading, shadowing and...
Provided by National Cheng Kung University
-
White Papers
On the Effects of Detailed Mobility Models in Vehicular Network Simulations
July 4, 2008, 12:00am PDT
Vehicular Ad-Hoc NETwork (VANET) communication has recently become an increasingly popular research topic in the area of wireless networking as well as the automotive industries. The goal of VANET...
Provided by National Cheng Kung University
-
White Papers
Measuring the Location of Bio-Sensing Sensors
July 26, 2010, 12:00am PDT
In recent years, the wireless sensor network is getting more and more popular and applied into many applications. Depending on different requirements, people usually use more than one sensor in...
Provided by National Cheng Kung University
-
White Papers
Localized Data Dissemination in Vehicular Sensing Networks
July 15, 2009, 12:00am PDT
A Vehicular Sensing Network (VSN) is a type of Wireless Sensor Network that empowers legacy resource-constrained WSNs by taking advantage of the rich network resources (e.g., the battery life,...
Provided by National Cheng Kung University
-
White Papers
Evaluating the Perceived Quality of Infrastructure-Less VOIP
April 14, 2011, 12:00am PDT
Voice over IP (VoIP) is one of the most popular Internet applications. Many VoIP protocols (e.g. SIP) are based on a central-server scheme in which a caller needs to query the central server first...
Provided by National Cheng Kung University
-
White Papers
A Feasibility Study on Vehicle-to-Infrastructure Communication: WiFi Vs. WiMAX
February 23, 2011, 12:00am PST
Vehicular network is becoming increasingly popular in recent years, in which vehicles constitute a wireless mobile network. Vehicle-To-Vehicle (V2V) and Vehicle-To-Infrastructure (V2I) are two...
Provided by National Cheng Kung University
-
White Papers
MyEvalvid_RTP: A Evaluation Framework for More Realistic Simulations of Multimedia Transmission
April 1, 2008, 12:00am PDT
Recently, multimedia is a more and more important Internet service. For multimedia, Quality of Service (QoS) support is a crucial requirement. To meet these QoS requirements, researchers develop...
Provided by National Cheng Kung University
-
White Papers
Towards Optimized Packet Processing for Multithreaded Network Processor
April 8, 2010, 12:00am PDT
With the evolution of the Internet, current routers need to support a variety of emerging network applications while the high packet processing rate is still guaranteed. As a result, the network...
Provided by National Cheng Kung University
-
White Papers
Fully Pre-Splicing TCP for Web Switches
August 7, 2006, 12:00am PDT
Fully Pre-Splicing (FPS) is an extension of TCP splicing which is content-blind that prevents the switches from using application layer information for forwarding decisions. FPS extends TCP...
Provided by National Cheng Kung University
-
White Papers
Packet Processing With Blocking For Bursty Traffic on Multi-Thread Network Processor
February 14, 2009, 12:00am PST
It is well-known that there are bursty accesses in network traffic. It means a burst of packets with the same meaningful headers are usually received by routers at the same time. With such...
Provided by National Cheng Kung University
-
White Papers
A Pipelined IP Forwarding Engine With Fast Update
February 21, 2009, 12:00am PST
IP address lookup is one of the most important functionalities in the router design. To meet the requirements in high speed routers consisting of linecards with 40Gbps transfer rates, researchers...
Provided by National Cheng Kung University
-
White Papers
A Fast and Memory Efficient Dynamic IP Lookup Algorithm Based on B-Tree
March 2, 2009, 12:00am PST
The Internet consists of a mesh of routers interconnected by links. In a router, the major function in packet forwarding process is to lookup the destination addresses for the incoming packets...
Provided by National Cheng Kung University
-
White Papers
A Method to Diagnose Self-Weaknesses for Software Development Organizations
January 1, 2011, 12:00am PST
A root cause is a source of a defect such that if it is removed, the defect is subsequently decreased or removed. By analyzing the root causes of defects of the software projects, the authors will...
Provided by National Cheng Kung University
-
White Papers
A RSSI-Based Algorithm for Indoor Localization Using ZigBee in Wireless Sensor Network
June 25, 2009, 12:00am PDT
For the various applications in home automation, the service system requires to precisely estimate user's locations by certain sensors. It is considered as a challenge to automatically serve a...
Provided by National Cheng Kung University
-
White Papers
An Embedded System Design for Speech Command Recognition Using Improved AMDF-Based Pitch Features
May 7, 2008, 12:00am PDT
This paper presents an embedded system design for speech command recognition using improved AMDF (Average Magnitude Difference Function)-based pitch features. Compared with the autocorrelation...
Provided by National Cheng Kung University
-
White Papers
Short-Code Threading: A Memory-Saving and Efficient Approach to Accelerate the Token Threaded Code for Embedded Systems
May 17, 2008, 12:00am PDT
Short-code threading for virtual machine interpreters is substantially similar to direct threading. But short-code threading consumes less memory at the cost of a little performance degradation,...
Provided by National Cheng Kung University
-
White Papers
A Web Service Model for Evaluating an e-Commerce Site: Mining On-Line Customers' Preferences
July 1, 2006, 12:00am PDT
e-Commerce become a new way of doing business. Many businesses have built their own e-Commerce sites. Most of them cover lots of functions in one site. However, most company managers do not know...
Provided by National Cheng Kung University
-
White Papers
Using an Enhanced Ant Colony System to Solve Resource-Constrained Project Scheduling Problem
November 1, 2006, 12:00am PST
This study presents and evaluates a modified Ant Colony Optimization (ACO) approach for the resource-constrained project scheduling problems. A modified ant colony system is proposed to solve the...
Provided by National Cheng Kung University
-
White Papers
Beyond ERP Implementation: The Moderating Effect of Knowledge Management on Business Performance
September 30, 2010, 12:00am PDT
The implementation of an Enterprise Resource Planning (ERP) system is known to be time consuming and resource demanding. The success rate of implementation has been notoriously low. This may be...
Provided by National Cheng Kung University
-
White Papers
Ontology-Based Knowledge Integration for Distributed Product Knowledge Service
October 22, 2009, 12:00am PDT
Conventional business models focus on providing end products and services regardless of product or service related knowledge. Such models are unable to meet customer requirements in the age of...
Provided by National Cheng Kung University
-
White Papers
Loss Aversion And The January Size Effect: Evidence From Three Chinese Culture-oriented Stock Markets
June 18, 2008, 12:00am PDT
The remarkable economic growth in the Pacific-Basin Chinese region has made the area's stock markets attractive to investors around the world. Researchers have also shown tremendous interest in...
Provided by National Cheng Kung University
-
White Papers
Reliable Data Broadcast for Zigbee Wireless Sensor Networks
September 1, 2010, 12:00am PDT
As people know, the data transmission in the wireless networks is more unreliable than it is in the wired network environment. Although the virtual carrier sensing scheme can be used in the...
Provided by National Cheng Kung University
-
White Papers
A Sharable JAVA Class Library for e-Learning
December 25, 2008, 12:00am PST
This paper defines a sharable JAVA class library for e-learning which helps develop flexible e-learning courses with the ability of interaction between client side and server side. Also the...
Provided by National Cheng Kung University
-
White Papers
Fairness and QoS Guarantees of WiMAX OFDMA Scheduling With Fuzzy Controls
December 29, 2008, 12:00am PST
IEEE 802.16 standard (WiMAX) is one of the most popular standards for fixed and mobile broadband wireless access systems to provide last mile access. Due to various users with diverse QoS...
Provided by National Cheng Kung University
-
White Papers
PAT: A Path-Aggregation-Tree Multicast Routing Protocol in Wireless Sensor Networks
October 28, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) make possible many new applications in a wide range of application domains. Many of these applications are based on a many-to-many communication paradigm in which...
Provided by National Cheng Kung University
-
White Papers
A Survey of VoIP Implementations in Taiwan 500 Biggest Export-Import Enterprises
November 7, 2007, 12:00am PST
Voice over Internet Protocol (VoIP) is a critical innovation technology in the globally oriented business world, which emphasizes flexibility and efficiency as means to reduce operation cost and...
Provided by National Cheng Kung University
-
White Papers
Predicting Change Propagation in Software System With Data Mining Techniques
May 18, 2008, 12:00am PDT
Software maintenance is a very costly and time-consuming work during the software life cycle. The problems with software maintenance are even more pressing in the software system. Software...
Provided by National Cheng Kung University
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