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University of Swaziland
(17 results)-
White Papers
Estimation of a Probability of Interference in a Cellular Communication Network Using the Monte-Carlo Technique
July 20, 2009, 12:00am PDT
A Monte-Carlo technique based methodology for the estimation of a probability of interference in a cellular communication network is presented. This probability is considered for the case of...
Provided by University of Swaziland
-
Whitepapers
Cooperative Amplify-and-Forward Relaying in Cognitive Radio Networks
September 14, 2010, 12:00am PDT
In this paper, the authors consider an underlay cognitive radio network consisting of a Primary Transmitter (PT), a Primary Receiver (PR), a Secondary Transmitter (ST) and a Secondary Receiver...
Provided by University of Swaziland
-
Whitepapers
A Near Optimal Routing Scheme for Multi-Hop Relay Networks Based on Viterbi Algorithm
May 24, 2012, 12:00am PDT
In a wireless multi-hop relay network, the optimal routing scheme with exhaustive path search entails high computational complexity and large storage requirement, and is impractical for a large...
Provided by University of Swaziland
-
Whitepapers
An Iterative Beamforming Optimization Algorithm for Generalized MIMO Y Channels
May 24, 2012, 12:00am PDT
The authors consider a K-user Multiple-Input Multiple-Output (MIMO) relay channel, where each user sends K - 1 independent messages to the other K - 1 users via a common relay. All users and the...
Provided by University of Swaziland
-
Whitepapers
A Shadowing-Aware Density-Map for Location Estimation using COB in Non-Uniformly Populated Cellular Systems
May 24, 2012, 12:00am PDT
Estimating a mobile terminal's position using radio signals that are subject to Non-Line-Of-Sight (NLOS) propagation has long been recognized as a challenging problem. Conventional radiolocation...
Provided by University of Swaziland
-
Whitepapers
A Self-Organizing Cooperative Heterogeneous Cellular Access Network for Energy Conservation
May 24, 2012, 12:00am PDT
In this paper, the authors propose a cooperative and selforganizing energy efficient access network framework for heterogeneous cellular systems. Intranetwork and internetwork cooperation are...
Provided by University of Swaziland
-
Whitepapers
Distributed Stable Matching Algorithm for Physical Layer Security With Multiple Source-Destination Pairs and Jammer Nodes
March 12, 2012, 12:00am PDT
In wireless communications, the physical layer security is an emerging security research area that explores the possibilities of achieving high secrecy data transmission between source-destination...
Provided by University of Swaziland
-
Whitepapers
A Primarily Survey on Energy Efficiency in Cloud and Distributed Computing Systems
November 16, 2012, 12:00am PST
Research on low power systems has received a great amount of attention in recent years since the sustainability of current technologies and practices has become a serious issue. In the meantime,...
Provided by University of Swaziland
-
Whitepapers
A Model of Project and Organisational Dynamics
September 3, 2012, 12:00am PDT
The strategic, transformational nature of many information systems projects is now widely understood. Large-scale implementations of systems are known to require significant management of...
Provided by University of Swaziland
-
Whitepapers
Analytical Characterization of Computationally Efficient Localization Techniques
February 2, 2013, 12:00am PST
Trilateration-based localization techniques have been widely used in sensor networks due to their computational efficiency and distributedness. However in sparse networks or in the boundary area...
Provided by University of Swaziland
-
Whitepapers
Localization in Wireless Sensor Networks by Constrained Simultaneous Perturbation Stochastic Approximation Technique
October 10, 2012, 12:00am PDT
Localization of sensor networks poses an immense challenge and is considered as a hot research topic in recent days. To address the accuracy on localization this paper proposes constrained...
Provided by University of Swaziland
-
Whitepapers
Localization in Wireless Sensor Networks by Cross Entropy Method
September 14, 2012, 12:00am PDT
Wireless Sensor Network (WSN) localization technique remains an open research issue due to its challenges on reducing location estimation error and cost of localization algorithm itself. For a...
Provided by University of Swaziland
-
Whitepapers
On the Energy Efficiency of Self-Organizing LTE Cellular Access Networks
November 21, 2012, 12:00am PST
Energy efficiency and self-organizing network architectures are the top issues for future cellular systems. In this paper, the authors propose an energy saving self-organizing access network...
Provided by University of Swaziland
-
Whitepapers
Distributed Multiple-Access for Wireless Communications: Compressed Sensing With Multiple Antennas
November 21, 2012, 12:00am PST
This paper proposes a distributed multiple-access transmission scheme, designed to support the transmission of a small number of active nodes to a central base station when the total number of...
Provided by University of Swaziland
-
Whitepapers
Knowledge-Based Repair for Knowledge-Lean Techniques in Non-Routine Design
September 18, 2008, 12:00am PDT
In this paper, the authors present a methodology for producing good design solutions more efficiently. The methodology is based on augmenting a conventional evolutionary design approach with a...
Provided by University of Swaziland
-
Whitepapers
Concurrent Auditory Stream Discrimination in Auditory Graphing
March 7, 2008, 12:00am PST
In this paper, the authors are concerned with enhancing human computer interaction and communication in concurrent streams of auditory display. Auditory display or auditory graphing is the sonic...
Provided by University of Swaziland
-
Whitepapers
Improving Performance of Mobile Ad Hoc Networks Using Efficient Tactical on Demand Distance Vector (TAODV) Routing Algorithm
June 1, 2012, 12:00am PDT
In this paper, the authors present the design and performance evaluation of a new efficient on demand routing protocol for mobile ad-hoc networks. Up till now many routing algorithms have been...
Provided by University of Swaziland
-
Whitepapers
Improving Performance of Mobile Ad Hoc Networks Using Efficient Tactical on Demand Distance Vector (TAODV) Routing Algorithm
June 1, 2012, 12:00am PDT
In this paper, the authors present the design and performance evaluation of a new efficient on demand routing protocol for mobile ad-hoc networks. Up till now many routing algorithms have been...
Provided by University of Swaziland
-
Whitepapers
Concurrent Auditory Stream Discrimination in Auditory Graphing
March 7, 2008, 12:00am PST
In this paper, the authors are concerned with enhancing human computer interaction and communication in concurrent streams of auditory display. Auditory display or auditory graphing is the sonic...
Provided by University of Swaziland
-
Whitepapers
Knowledge-Based Repair for Knowledge-Lean Techniques in Non-Routine Design
September 18, 2008, 12:00am PDT
In this paper, the authors present a methodology for producing good design solutions more efficiently. The methodology is based on augmenting a conventional evolutionary design approach with a...
Provided by University of Swaziland
-
Whitepapers
Distributed Multiple-Access for Wireless Communications: Compressed Sensing With Multiple Antennas
November 21, 2012, 12:00am PST
This paper proposes a distributed multiple-access transmission scheme, designed to support the transmission of a small number of active nodes to a central base station when the total number of...
Provided by University of Swaziland
-
Whitepapers
On the Energy Efficiency of Self-Organizing LTE Cellular Access Networks
November 21, 2012, 12:00am PST
Energy efficiency and self-organizing network architectures are the top issues for future cellular systems. In this paper, the authors propose an energy saving self-organizing access network...
Provided by University of Swaziland
-
Whitepapers
Localization in Wireless Sensor Networks by Cross Entropy Method
September 14, 2012, 12:00am PDT
Wireless Sensor Network (WSN) localization technique remains an open research issue due to its challenges on reducing location estimation error and cost of localization algorithm itself. For a...
Provided by University of Swaziland
-
Whitepapers
Localization in Wireless Sensor Networks by Constrained Simultaneous Perturbation Stochastic Approximation Technique
October 10, 2012, 12:00am PDT
Localization of sensor networks poses an immense challenge and is considered as a hot research topic in recent days. To address the accuracy on localization this paper proposes constrained...
Provided by University of Swaziland
-
Whitepapers
Analytical Characterization of Computationally Efficient Localization Techniques
February 2, 2013, 12:00am PST
Trilateration-based localization techniques have been widely used in sensor networks due to their computational efficiency and distributedness. However in sparse networks or in the boundary area...
Provided by University of Swaziland
-
Whitepapers
A Model of Project and Organisational Dynamics
September 3, 2012, 12:00am PDT
The strategic, transformational nature of many information systems projects is now widely understood. Large-scale implementations of systems are known to require significant management of...
Provided by University of Swaziland
-
Whitepapers
A Primarily Survey on Energy Efficiency in Cloud and Distributed Computing Systems
November 16, 2012, 12:00am PST
Research on low power systems has received a great amount of attention in recent years since the sustainability of current technologies and practices has become a serious issue. In the meantime,...
Provided by University of Swaziland
-
Whitepapers
Distributed Stable Matching Algorithm for Physical Layer Security With Multiple Source-Destination Pairs and Jammer Nodes
March 12, 2012, 12:00am PDT
In wireless communications, the physical layer security is an emerging security research area that explores the possibilities of achieving high secrecy data transmission between source-destination...
Provided by University of Swaziland
-
Whitepapers
A Self-Organizing Cooperative Heterogeneous Cellular Access Network for Energy Conservation
May 24, 2012, 12:00am PDT
In this paper, the authors propose a cooperative and selforganizing energy efficient access network framework for heterogeneous cellular systems. Intranetwork and internetwork cooperation are...
Provided by University of Swaziland
-
Whitepapers
A Shadowing-Aware Density-Map for Location Estimation using COB in Non-Uniformly Populated Cellular Systems
May 24, 2012, 12:00am PDT
Estimating a mobile terminal's position using radio signals that are subject to Non-Line-Of-Sight (NLOS) propagation has long been recognized as a challenging problem. Conventional radiolocation...
Provided by University of Swaziland
-
Whitepapers
An Iterative Beamforming Optimization Algorithm for Generalized MIMO Y Channels
May 24, 2012, 12:00am PDT
The authors consider a K-user Multiple-Input Multiple-Output (MIMO) relay channel, where each user sends K - 1 independent messages to the other K - 1 users via a common relay. All users and the...
Provided by University of Swaziland
-
Whitepapers
A Near Optimal Routing Scheme for Multi-Hop Relay Networks Based on Viterbi Algorithm
May 24, 2012, 12:00am PDT
In a wireless multi-hop relay network, the optimal routing scheme with exhaustive path search entails high computational complexity and large storage requirement, and is impractical for a large...
Provided by University of Swaziland
-
Whitepapers
Cooperative Amplify-and-Forward Relaying in Cognitive Radio Networks
September 14, 2010, 12:00am PDT
In this paper, the authors consider an underlay cognitive radio network consisting of a Primary Transmitter (PT), a Primary Receiver (PR), a Secondary Transmitter (ST) and a Secondary Receiver...
Provided by University of Swaziland
-
White Papers
Estimation of a Probability of Interference in a Cellular Communication Network Using the Monte-Carlo Technique
July 20, 2009, 12:00am PDT
A Monte-Carlo technique based methodology for the estimation of a probability of interference in a cellular communication network is presented. This probability is considered for the case of...
Provided by University of Swaziland
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