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Ajou University
(28 results)-
White Papers
Business Process Management of Telecommunication Companies: Fulfillment and Operations Support and Readiness Cases
September 1, 2011, 12:00am PDT
In this paper, the authors consider business process management for a certain business process of telecom companies. Generally, business process management is the management of flow of business...
Provided by Ajou University
-
White Papers
Secure Communication in Digital TV Broadcasting
October 2, 2008, 12:00am PDT
To provide subscription-based Digital TV (DTV) data, services providers scramble the data stream (program content) with some secure measures such as ECM and EMM via using control words, and send...
Provided by Ajou University
-
Whitepapers
Anomaly Intrusion Detection Based on Clustering a Data Stream
June 1, 2012, 12:00am PDT
This paper proposes a new clustering algorithm which continuously models a data stream. A set of features is used to represent the characteristics of an activity. For each feature, the clusters of...
Provided by Ajou University
-
White Papers
An Approach to Mitigating Sybil Attack in Wireless Networks Using ZigBee
February 1, 2008, 12:00am PST
Various sensors employing ZigBee protocol send environment information to a home gateway. The home gateway manages every devices, sensors and services according to the information. However, if an...
Provided by Ajou University
-
Whitepapers
A Fast Approximation Algorithm for Relay Node Placement in Double-Tiered Wireless Sensor Network
October 6, 2008, 12:00am PDT
Wireless sensor networks are being geared up for applications that range from consumer markets to military industries. While the wireless sensors perform the same sensing task within the region of...
Provided by Ajou University
-
White Papers
XML Query Processing and Query Languages: A Survey
October 6, 2010, 12:00am PDT
XML serves dual functionalities as markup language and data format. It separates papers and data thus offering independency and flexibility for content association. Due to this nature of...
Provided by Ajou University
-
White Papers
AMI: An Advanced Endurance Management Technique for Flash Memory Storage Systems
January 1, 2011, 12:00am PST
Flash memory is small size, lightweight, shock-resistant, nonvolatile, and consumes little power. Flash memory therefore shows promise for use in storage devices for consumer electronics, mobile...
Provided by Ajou University
-
White Papers
JAM: Justifiable Allocation of Memory With Efficient Mounting and Fast Crash Recovery for NAND Flash Memory File Systems
October 1, 2010, 12:00am PDT
Flash memory is small size, lightweight, shock-resistant, non-volatile, and consumes little power. Flash memory therefore shows promise for use in storage devices for consumer electronics, mobile...
Provided by Ajou University
-
White Papers
Learning Spatio-Temporal Topology of a Multi-Camera Network by Tracking Multiple People
June 9, 2009, 12:00am PDT
This paper presents a novel approach for representing the spatio-temporal topology of the camera network with overlapping and non-overlapping Fields Of View (FOVs). The topology is determined by...
Provided by Ajou University
-
White Papers
Provision of Deniability in E-Mail Protocol
November 1, 2008, 12:00am PDT
E-mail is considered as one of the most important and most frequently used internet services. For privacy and security reasons, it is desirable that e-mail protocol provides deniability....
Provided by Ajou University
-
White Papers
An Architectural Design for Brokered Collaborative Content Delivery System
December 14, 2010, 12:00am PST
Advances in web technologies have driven massive content uploads and requests that can be identified by the increased usage of multimedia web and social web services. This situation enforces the...
Provided by Ajou University
-
White Papers
An Efficient Multicasting for Multi-Channel Multi-Interface Wireless Mesh Networks
May 16, 2009, 12:00am PDT
Multicasting can be an effective routing service in Wireless Mesh Networks (WMNs), which have gained significant acceptance in recent years due to its potentials of providing a low-cost wireless...
Provided by Ajou University
-
White Papers
Downstream Backhaul Packet Control for Mobile Wireless Networks
May 4, 2010, 12:00am PDT
A backhaul network in mobile wireless systems consists of lower-level Base Stations (BSs) and upper-level Access Routers (ARs). While the legacy model considers only a queue at a BS for downstream...
Provided by Ajou University
-
Whitepapers
A Simulation Study of the PLC-MAC Performance Using Network Simulator-2
January 31, 2008, 12:00am PST
Power Line Communication (PLC) technology can be a viable solution for the future ubiquitous networks because it provides a cheaper alternative to other wired technology currently being used for...
Provided by Ajou University
-
Whitepapers
Label-Switched Routing Protocol With Local Multi-Paths for Reliable Message Delivery in Ubiquitous Tactical MANET Environments
April 5, 2011, 12:00am PDT
Multipath routing protocols provide several alternative paths between source and destination nodes to achieve seamless and reliable communications in MANET (Mobile Ad-hoc NETwork) environments....
Provided by Ajou University
-
Whitepapers
Available-Bandwidth Estimation Considering Transmission Overheads in IEEE 802.11 Wireless LANs
April 3, 2011, 12:00am PDT
Calculation of the bandwidth available on a given channel is critical for the provision of bandwidth constrained services in IEEE 802.11 wireless LAN environments. Although there are numerous...
Provided by Ajou University
-
Whitepapers
Design of Baseband Analog Chain With Optimum Allocation of Gain and Filter Rejection for WLAN Applications
December 1, 2011, 12:00am PST
This paper describes a BaseBand Analog (BBA) chain for Wireless Local Area Network (WLAN) applications. For the given specifications of the receiver BBA chain, the optimum allocation of the gain...
Provided by Ajou University
-
White Papers
FFRDV: Fastest-Ferry Routing in DTN-Enabled Vehicular Ad Hoc Networks
January 4, 2009, 12:00am PST
Non-real-time communication is the markedness of Vehicular Ad hoc NETworks (VANETs) because of the rapidly changing topology. A Delay/Disruption Tolerant Network (DTN) is defined as a dynamic...
Provided by Ajou University
-
White Papers
Optimal Staffing Level of Network Operations and Management Centers
February 7, 2011, 12:00am PST
In this paper, the authors try to monitor and optimize the productivity of network operations and management centers in a big telecommunication company. To achieve this goal, they apply linear...
Provided by Ajou University
-
White Papers
An Adaptive MAC Scheduling Algorithm for Guaranteed QoS in IEEE 802.11e HCC
November 28, 2008, 12:00am PST
The IEEE 802.11e standard guarantees QoS in the MAC layer by using new HCF (Hybrid Coordination Function) protocol. The HCF is composed of two access functions: a distributed contention-based...
Provided by Ajou University
-
White Papers
A Novel Approach to Detect Network Attacks Using G-HMM-Based Temporal Relations Between Internet Protocol Packets
January 19, 2011, 12:00am PST
This paper introduces novel attack detection approaches on mobile and wireless device security and network which consider temporal relations between internet packets. In this paper, the authors...
Provided by Ajou University
-
White Papers
Intercell Radio Resource Management Through Network Coordination for IMT-Advanced Systems
July 8, 2010, 12:00am PDT
In IMT-Advanced systems, a cross-layer approach coupling network coordination and radio resource managements enables mitigation of intercell interference and throughput improvement of cell-edge...
Provided by Ajou University
-
White Papers
Congestion-Aware Multi-Gateway Routing for Wireless Mesh Video Surveillance Networks
May 31, 2011, 12:00am PDT
In video surveillance and monitoring systems based on wireless mesh networks, large volumes of multimedia data with different priorities and time demands are generated by video cameras and...
Provided by Ajou University
-
White Papers
JRGP: Jamming Resilient Geocasting Protocol for Mobile Tactical Ad Hoc Networks
November 10, 2010, 12:00am PST
Jamming attack by adversaries is the critical threat in Network Centric Warfare that uses tactical wireless networks. Thus research on developing new networking protocols that are resilient to...
Provided by Ajou University
-
White Papers
Reliable Multicast MAC Protocol for Spatial Reuse Efficiency Assisted by Multicarrier DS-CDMA in WLAN Systems
September 1, 2011, 12:00am PDT
The authors propose a reliable multicast MAC protocol based on the multicarrier direct-sequence code-division multiple access (MC DS-CDMA) scheme to enhance spatial reuse efficiency in Wireless...
Provided by Ajou University
-
White Papers
NACS: Non-Overlapping AP's Caching Scheme to Reduce Handoff in 802.11 Wireless LAN
December 20, 2011, 12:00am PST
With the escalation of the IEEE 802.11 based wireless networks, Voice over IP and analogous applications are also used over wireless net-works. Recently, the wireless LAN systems are spaciously...
Provided by Ajou University
-
Whitepapers
Cognitive Ad-Hoc Networks Under a Cellular Network With an Interference Temperature Limit
February 20, 2008, 12:00am PST
The authors propose an efficient deployment scenario for cognitive ad-hoc networking under a cellular network with a pre-defined Interference Temperature Limit (ITL). Using this scenario, a...
Provided by Ajou University
-
Whitepapers
A Modified Iterative Water-Filling Algorithm With Per-Iteration Power Normalization in Multiuser MMSE-Precoded MIMO Systems
February 20, 2008, 12:00am PST
In this paper, the authors deal with an optimum per-user power allocation problem in terms of the sum capacity in Multi-User Multiple Input Multiple Output (MU-MIMO) downlink systems when the...
Provided by Ajou University
-
Whitepapers
Design of Baseband Analog Chain With Optimum Allocation of Gain and Filter Rejection for WLAN Applications
December 1, 2011, 12:00am PST
This paper describes a BaseBand Analog (BBA) chain for Wireless Local Area Network (WLAN) applications. For the given specifications of the receiver BBA chain, the optimum allocation of the gain...
Provided by Ajou University
-
Whitepapers
Available-Bandwidth Estimation Considering Transmission Overheads in IEEE 802.11 Wireless LANs
April 3, 2011, 12:00am PDT
Calculation of the bandwidth available on a given channel is critical for the provision of bandwidth constrained services in IEEE 802.11 wireless LAN environments. Although there are numerous...
Provided by Ajou University
-
Whitepapers
Label-Switched Routing Protocol With Local Multi-Paths for Reliable Message Delivery in Ubiquitous Tactical MANET Environments
April 5, 2011, 12:00am PDT
Multipath routing protocols provide several alternative paths between source and destination nodes to achieve seamless and reliable communications in MANET (Mobile Ad-hoc NETwork) environments....
Provided by Ajou University
-
Whitepapers
A Simulation Study of the PLC-MAC Performance Using Network Simulator-2
January 31, 2008, 12:00am PST
Power Line Communication (PLC) technology can be a viable solution for the future ubiquitous networks because it provides a cheaper alternative to other wired technology currently being used for...
Provided by Ajou University
-
Whitepapers
A Fast Approximation Algorithm for Relay Node Placement in Double-Tiered Wireless Sensor Network
October 6, 2008, 12:00am PDT
Wireless sensor networks are being geared up for applications that range from consumer markets to military industries. While the wireless sensors perform the same sensing task within the region of...
Provided by Ajou University
-
Whitepapers
Anomaly Intrusion Detection Based on Clustering a Data Stream
June 1, 2012, 12:00am PDT
This paper proposes a new clustering algorithm which continuously models a data stream. A set of features is used to represent the characteristics of an activity. For each feature, the clusters of...
Provided by Ajou University
-
Whitepapers
A Modified Iterative Water-Filling Algorithm With Per-Iteration Power Normalization in Multiuser MMSE-Precoded MIMO Systems
February 20, 2008, 12:00am PST
In this paper, the authors deal with an optimum per-user power allocation problem in terms of the sum capacity in Multi-User Multiple Input Multiple Output (MU-MIMO) downlink systems when the...
Provided by Ajou University
-
Whitepapers
Cognitive Ad-Hoc Networks Under a Cellular Network With an Interference Temperature Limit
February 20, 2008, 12:00am PST
The authors propose an efficient deployment scenario for cognitive ad-hoc networking under a cellular network with a pre-defined Interference Temperature Limit (ITL). Using this scenario, a...
Provided by Ajou University
-
White Papers
NACS: Non-Overlapping AP's Caching Scheme to Reduce Handoff in 802.11 Wireless LAN
December 20, 2011, 12:00am PST
With the escalation of the IEEE 802.11 based wireless networks, Voice over IP and analogous applications are also used over wireless net-works. Recently, the wireless LAN systems are spaciously...
Provided by Ajou University
-
White Papers
Reliable Multicast MAC Protocol for Spatial Reuse Efficiency Assisted by Multicarrier DS-CDMA in WLAN Systems
September 1, 2011, 12:00am PDT
The authors propose a reliable multicast MAC protocol based on the multicarrier direct-sequence code-division multiple access (MC DS-CDMA) scheme to enhance spatial reuse efficiency in Wireless...
Provided by Ajou University
-
White Papers
JRGP: Jamming Resilient Geocasting Protocol for Mobile Tactical Ad Hoc Networks
November 10, 2010, 12:00am PST
Jamming attack by adversaries is the critical threat in Network Centric Warfare that uses tactical wireless networks. Thus research on developing new networking protocols that are resilient to...
Provided by Ajou University
-
White Papers
Congestion-Aware Multi-Gateway Routing for Wireless Mesh Video Surveillance Networks
May 31, 2011, 12:00am PDT
In video surveillance and monitoring systems based on wireless mesh networks, large volumes of multimedia data with different priorities and time demands are generated by video cameras and...
Provided by Ajou University
-
White Papers
Intercell Radio Resource Management Through Network Coordination for IMT-Advanced Systems
July 8, 2010, 12:00am PDT
In IMT-Advanced systems, a cross-layer approach coupling network coordination and radio resource managements enables mitigation of intercell interference and throughput improvement of cell-edge...
Provided by Ajou University
-
White Papers
A Novel Approach to Detect Network Attacks Using G-HMM-Based Temporal Relations Between Internet Protocol Packets
January 19, 2011, 12:00am PST
This paper introduces novel attack detection approaches on mobile and wireless device security and network which consider temporal relations between internet packets. In this paper, the authors...
Provided by Ajou University
-
White Papers
Business Process Management of Telecommunication Companies: Fulfillment and Operations Support and Readiness Cases
September 1, 2011, 12:00am PDT
In this paper, the authors consider business process management for a certain business process of telecom companies. Generally, business process management is the management of flow of business...
Provided by Ajou University
-
White Papers
An Adaptive MAC Scheduling Algorithm for Guaranteed QoS in IEEE 802.11e HCC
November 28, 2008, 12:00am PST
The IEEE 802.11e standard guarantees QoS in the MAC layer by using new HCF (Hybrid Coordination Function) protocol. The HCF is composed of two access functions: a distributed contention-based...
Provided by Ajou University
-
White Papers
Optimal Staffing Level of Network Operations and Management Centers
February 7, 2011, 12:00am PST
In this paper, the authors try to monitor and optimize the productivity of network operations and management centers in a big telecommunication company. To achieve this goal, they apply linear...
Provided by Ajou University
-
White Papers
FFRDV: Fastest-Ferry Routing in DTN-Enabled Vehicular Ad Hoc Networks
January 4, 2009, 12:00am PST
Non-real-time communication is the markedness of Vehicular Ad hoc NETworks (VANETs) because of the rapidly changing topology. A Delay/Disruption Tolerant Network (DTN) is defined as a dynamic...
Provided by Ajou University
-
White Papers
Downstream Backhaul Packet Control for Mobile Wireless Networks
May 4, 2010, 12:00am PDT
A backhaul network in mobile wireless systems consists of lower-level Base Stations (BSs) and upper-level Access Routers (ARs). While the legacy model considers only a queue at a BS for downstream...
Provided by Ajou University
-
White Papers
An Efficient Multicasting for Multi-Channel Multi-Interface Wireless Mesh Networks
May 16, 2009, 12:00am PDT
Multicasting can be an effective routing service in Wireless Mesh Networks (WMNs), which have gained significant acceptance in recent years due to its potentials of providing a low-cost wireless...
Provided by Ajou University
-
White Papers
An Architectural Design for Brokered Collaborative Content Delivery System
December 14, 2010, 12:00am PST
Advances in web technologies have driven massive content uploads and requests that can be identified by the increased usage of multimedia web and social web services. This situation enforces the...
Provided by Ajou University
-
White Papers
Provision of Deniability in E-Mail Protocol
November 1, 2008, 12:00am PDT
E-mail is considered as one of the most important and most frequently used internet services. For privacy and security reasons, it is desirable that e-mail protocol provides deniability....
Provided by Ajou University
-
White Papers
Learning Spatio-Temporal Topology of a Multi-Camera Network by Tracking Multiple People
June 9, 2009, 12:00am PDT
This paper presents a novel approach for representing the spatio-temporal topology of the camera network with overlapping and non-overlapping Fields Of View (FOVs). The topology is determined by...
Provided by Ajou University
-
White Papers
JAM: Justifiable Allocation of Memory With Efficient Mounting and Fast Crash Recovery for NAND Flash Memory File Systems
October 1, 2010, 12:00am PDT
Flash memory is small size, lightweight, shock-resistant, non-volatile, and consumes little power. Flash memory therefore shows promise for use in storage devices for consumer electronics, mobile...
Provided by Ajou University
-
White Papers
AMI: An Advanced Endurance Management Technique for Flash Memory Storage Systems
January 1, 2011, 12:00am PST
Flash memory is small size, lightweight, shock-resistant, nonvolatile, and consumes little power. Flash memory therefore shows promise for use in storage devices for consumer electronics, mobile...
Provided by Ajou University
-
White Papers
XML Query Processing and Query Languages: A Survey
October 6, 2010, 12:00am PDT
XML serves dual functionalities as markup language and data format. It separates papers and data thus offering independency and flexibility for content association. Due to this nature of...
Provided by Ajou University
-
White Papers
An Approach to Mitigating Sybil Attack in Wireless Networks Using ZigBee
February 1, 2008, 12:00am PST
Various sensors employing ZigBee protocol send environment information to a home gateway. The home gateway manages every devices, sensors and services according to the information. However, if an...
Provided by Ajou University
-
White Papers
Secure Communication in Digital TV Broadcasting
October 2, 2008, 12:00am PDT
To provide subscription-based Digital TV (DTV) data, services providers scramble the data stream (program content) with some secure measures such as ECM and EMM via using control words, and send...
Provided by Ajou University
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