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Khartoum International Community School
(15 results)-
White Papers
ARCA - An Adaptive Routing Protocol for Converged Ad Hoc and Cellular Networks
August 17, 2006, 12:00am PDT
This paper proposes an adaptive routing protocol called ARCA for Converged Ad hoc and Cellular Network (CACN). Due to the limitation of both bandwidth and transmission range in a cell, a Mobile...
Provided by Khartoum International Community School
-
White Papers
PEC: A Privacy-Preserving Emergency Call Scheme for Mobile Healthcare Social Networks
April 1, 2011, 12:00am PDT
In this paper, the authors propose a privacy-preserving emergency call scheme, called PEC, enabling patients in life-threatening emergencies to fast and accurately transmit emergency data to the...
Provided by Khartoum International Community School
-
White Papers
An Energy-Efficient Access Control Scheme For Wireless Sensor Networks Based on Elliptic Curve Cryptography
December 1, 2009, 12:00am PST
For many mission-critical related wireless sensor network applications such as military and homeland security, user's access restriction is necessary to be enforced by access control mechanisms...
Provided by Khartoum International Community School
-
White Papers
Proportional Fair Scheduling Algorithm in OFDMA-Based Wireless Systems With QoS Constraints
February 1, 2010, 12:00am PST
In this paper, the authors consider the problem of downlink resource allocation for proportional fairness of long term received rates of data users and quality of service for real time sessions in...
Provided by Khartoum International Community School
-
White Papers
Improving TCP Performance With Bandwidth Estimation and Selective Negative Acknowledgment in Wireless Networks
January 1, 2011, 12:00am PST
This paper investigates the performance of the Transmission Control Protocol (TCP) transport protocol over IEEE 802.11 infrastructure based wireless networks. A wireless link is generally...
Provided by Khartoum International Community School
-
White Papers
Exploiting Mobility for Efficient Data Dissemination in Wireless Sensor Networks
August 1, 2009, 12:00am PDT
In this paper, the authors introduce a novel mobility model for mobile sinks in which the sinks move towards randomly distributed destinations, where each destination is associated with a mission....
Provided by Khartoum International Community School
-
White Papers
On the Trade-Off Between Throughput Maximization and Energy Consumption Minimization in IEEE 802.11 WLANs
March 26, 2010, 12:00am PDT
Understanding and optimizing the energy consumption of wireless devices is critical to maximize the network lifetime and to provide guidelines for the design of new protocols and interfaces. In...
Provided by Khartoum International Community School
-
White Papers
Energy-Aware QoS Provisioning for Wireless Sensor Networks: Analysis and Protocol
August 1, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) are envisioned to facilitate information gathering for various applications and depending on the application types they may require certain Quality of Service (QoS)...
Provided by Khartoum International Community School
-
White Papers
Beamforming Optimization for Multiuser Two-Tier Networks
August 1, 2011, 12:00am PDT
With the incitation to reduce power consumption and the aggressive reuse of spectral resources, there is an inevitable trend towards the deployment of small-cell networks by decomposing a...
Provided by Khartoum International Community School
-
White Papers
Traffic Asymmetry Balancing in OFDMA-TDD Cellular Networks
September 9, 2008, 12:00am PDT
This paper proposes a novel approach to interference avoidance via inter-cell relaying in cellular OFDMA-TDD (Orthogonal Frequency Division Multiple Access - Time Division Duplex) systems. The...
Provided by Khartoum International Community School
-
White Papers
Energy-Efficiency and Transmission Strategy Selection in Cooperative Wireless Sensor Networks
December 1, 2007, 12:00am PST
Energy efficiency is one of the most critical concerns for wireless sensor networks. By allowing sensor nodes in close proximity to cooperate in transmission to form a virtual Multiple-Input...
Provided by Khartoum International Community School
-
White Papers
On the Diversity-Multiplexing Tradeoff of Cooperative Multicast System With Wireless Network Coding
February 11, 2010, 12:00am PST
Diversity-Multiplexing Tradeoff (DMT) is an efficient tool to measure the performance of Multiple-Input and Multiple-Output (MIMO) systems and cooperative systems. Recently, cooperative multicast...
Provided by Khartoum International Community School
-
White Papers
Access Right Assignment Mechanisms for Secure Home Networks
April 1, 2011, 12:00am PDT
The proliferation of advanced technologies has been altering the peoples lifestyle and social interactions - the next frontier is the digital home. Although the future of smart homes is promising,...
Provided by Khartoum International Community School
-
White Papers
Autonomous, Scalable, and Resilient Overlay Infrastructure
December 1, 2006, 12:00am PST
Many distributed applications build overlays on top of the Internet. Several unsolved issues at the network layer can explain this trend to implement network services such as multi-cast, mobility,...
Provided by Khartoum International Community School
-
White Papers
EMCCA: An Enhanced Mesh Coordinated Channel Access Mechanism for IEEE 802.11s Wireless Mesh Networks
December 1, 2011, 12:00am PST
In this paper, the authors present a channel access mechanism, referred to as the enhanced Mesh Coordinated Channel Access (eMCCA) mechanism, for IEEE 802.11s-based wireless mesh networks. The...
Provided by Khartoum International Community School
-
White Papers
EMCCA: An Enhanced Mesh Coordinated Channel Access Mechanism for IEEE 802.11s Wireless Mesh Networks
December 1, 2011, 12:00am PST
In this paper, the authors present a channel access mechanism, referred to as the enhanced Mesh Coordinated Channel Access (eMCCA) mechanism, for IEEE 802.11s-based wireless mesh networks. The...
Provided by Khartoum International Community School
-
White Papers
Autonomous, Scalable, and Resilient Overlay Infrastructure
December 1, 2006, 12:00am PST
Many distributed applications build overlays on top of the Internet. Several unsolved issues at the network layer can explain this trend to implement network services such as multi-cast, mobility,...
Provided by Khartoum International Community School
-
White Papers
Access Right Assignment Mechanisms for Secure Home Networks
April 1, 2011, 12:00am PDT
The proliferation of advanced technologies has been altering the peoples lifestyle and social interactions - the next frontier is the digital home. Although the future of smart homes is promising,...
Provided by Khartoum International Community School
-
White Papers
On the Diversity-Multiplexing Tradeoff of Cooperative Multicast System With Wireless Network Coding
February 11, 2010, 12:00am PST
Diversity-Multiplexing Tradeoff (DMT) is an efficient tool to measure the performance of Multiple-Input and Multiple-Output (MIMO) systems and cooperative systems. Recently, cooperative multicast...
Provided by Khartoum International Community School
-
White Papers
Energy-Efficiency and Transmission Strategy Selection in Cooperative Wireless Sensor Networks
December 1, 2007, 12:00am PST
Energy efficiency is one of the most critical concerns for wireless sensor networks. By allowing sensor nodes in close proximity to cooperate in transmission to form a virtual Multiple-Input...
Provided by Khartoum International Community School
-
White Papers
Traffic Asymmetry Balancing in OFDMA-TDD Cellular Networks
September 9, 2008, 12:00am PDT
This paper proposes a novel approach to interference avoidance via inter-cell relaying in cellular OFDMA-TDD (Orthogonal Frequency Division Multiple Access - Time Division Duplex) systems. The...
Provided by Khartoum International Community School
-
White Papers
Beamforming Optimization for Multiuser Two-Tier Networks
August 1, 2011, 12:00am PDT
With the incitation to reduce power consumption and the aggressive reuse of spectral resources, there is an inevitable trend towards the deployment of small-cell networks by decomposing a...
Provided by Khartoum International Community School
-
White Papers
Energy-Aware QoS Provisioning for Wireless Sensor Networks: Analysis and Protocol
August 1, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) are envisioned to facilitate information gathering for various applications and depending on the application types they may require certain Quality of Service (QoS)...
Provided by Khartoum International Community School
-
White Papers
On the Trade-Off Between Throughput Maximization and Energy Consumption Minimization in IEEE 802.11 WLANs
March 26, 2010, 12:00am PDT
Understanding and optimizing the energy consumption of wireless devices is critical to maximize the network lifetime and to provide guidelines for the design of new protocols and interfaces. In...
Provided by Khartoum International Community School
-
White Papers
Exploiting Mobility for Efficient Data Dissemination in Wireless Sensor Networks
August 1, 2009, 12:00am PDT
In this paper, the authors introduce a novel mobility model for mobile sinks in which the sinks move towards randomly distributed destinations, where each destination is associated with a mission....
Provided by Khartoum International Community School
-
White Papers
Improving TCP Performance With Bandwidth Estimation and Selective Negative Acknowledgment in Wireless Networks
January 1, 2011, 12:00am PST
This paper investigates the performance of the Transmission Control Protocol (TCP) transport protocol over IEEE 802.11 infrastructure based wireless networks. A wireless link is generally...
Provided by Khartoum International Community School
-
White Papers
Proportional Fair Scheduling Algorithm in OFDMA-Based Wireless Systems With QoS Constraints
February 1, 2010, 12:00am PST
In this paper, the authors consider the problem of downlink resource allocation for proportional fairness of long term received rates of data users and quality of service for real time sessions in...
Provided by Khartoum International Community School
-
White Papers
An Energy-Efficient Access Control Scheme For Wireless Sensor Networks Based on Elliptic Curve Cryptography
December 1, 2009, 12:00am PST
For many mission-critical related wireless sensor network applications such as military and homeland security, user's access restriction is necessary to be enforced by access control mechanisms...
Provided by Khartoum International Community School
-
White Papers
PEC: A Privacy-Preserving Emergency Call Scheme for Mobile Healthcare Social Networks
April 1, 2011, 12:00am PDT
In this paper, the authors propose a privacy-preserving emergency call scheme, called PEC, enabling patients in life-threatening emergencies to fast and accurately transmit emergency data to the...
Provided by Khartoum International Community School
-
White Papers
ARCA - An Adaptive Routing Protocol for Converged Ad Hoc and Cellular Networks
August 17, 2006, 12:00am PDT
This paper proposes an adaptive routing protocol called ARCA for Converged Ad hoc and Cellular Network (CACN). Due to the limitation of both bandwidth and transmission range in a cell, a Mobile...
Provided by Khartoum International Community School
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