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Tshwane University of Technology
(30 results)-
White Papers
Financial Management, Accounting And Auditing Skills Shortage, A South African Reality
June 24, 2009, 12:00am PDT
This paper draws on a study completed on behalf of the South African Institute of Chartered Accountants (SAICA). It addresses part of the research conducted to determine the existing skills...
Provided by Tshwane University of Technology
-
White Papers
An Enhanced Scheduler for the Guarantee of QoS Multimedia Services in WiMAX Networks
July 19, 2009, 12:00am PDT
The rapid deployment of broadband wireless access has led to growing demand for multimedia applications in networks. Efficient sharing of resources becomes an issue especially in wireless networks...
Provided by Tshwane University of Technology
-
White Papers
A Multiple-State Based Power Control for Multi-Radio Multi-Channel Wireless Mesh Networks
August 18, 2010, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in Wireless Mesh Networks (WMNs). In this paper, the authors present asynchronous multiple-state based power control for...
Provided by Tshwane University of Technology
-
White Papers
Discrete Polyphase Matched Filtering-Based Soft Timing Estimation for Mobile Wireless Systems
September 16, 2010, 12:00am PDT
In this paper the authors present a Soft Timing Phase Estimation (STPE) method for wireless mobile receivers operating in low Signal to Noise Ratios (SNRs). Discrete Polyphase Matched (DPM)...
Provided by Tshwane University of Technology
-
White Papers
A Low Complexity Greedy Scheduler for Multiuser MIMO Downlink
July 19, 2010, 12:00am PDT
It is widely believed that the implementation of Multi-User Multiple Input Multiple Output (MU-MIMO) technology at the radio access portion of current and future wireless networks would positively...
Provided by Tshwane University of Technology
-
White Papers
Range Based Power Control for Multi-Radio Multi-Channel Wireless Mesh Networks
July 7, 2009, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in WMNs. In this paper, the authors present a range based dynamic power control for MRMC WMNs. First, WMN is represented...
Provided by Tshwane University of Technology
-
White Papers
Per Cell Propagation Model Calibration Approach for Mobile Positioning
July 19, 2009, 12:00am PDT
This paper presents results of research on per cell propagation calibration-based mobile positioning for GSM. A novel mobile positioning system for GSM networks is proposed and assessed by field...
Provided by Tshwane University of Technology
-
White Papers
Power Control for Video Transmission Over Rural Wireless Mesh Networks
January 1, 2011, 12:00am PST
Power problems pose a major challenge when deploying Wireless Mesh Networks (WMNs) in rural areas and hinder the sustainability of wireless mesh network in such areas. This paper introduces a...
Provided by Tshwane University of Technology
-
White Papers
Spectrum Access Games for Cognitive Radio Networks
July 2, 2010, 12:00am PDT
Cognitive Radio (CR) is seen as a key enabling technology for addressing current underutilization and inefficient use of radio frequency spectrum. The use of CR will see most of the spectrum white...
Provided by Tshwane University of Technology
-
White Papers
QoS Management in a Multilayer WiMAX System
July 20, 2010, 12:00am PDT
In 2008, telecommunication market trends in Africa reported 0.2% penetration for Broadband Wireless Access (BWA) technologies. IEEE 802.16 (WiMAX) is recognized as a promising technology to...
Provided by Tshwane University of Technology
-
White Papers
Decentralized Power Control for Multi-Radio Multi-Channel Wireless Mesh Networks
July 2, 2010, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) WMNs result in power control problems including interference, un-scalable connectivity and energy-consumption. Several previous studies have focused on the single...
Provided by Tshwane University of Technology
-
White Papers
Energy-Efficient Algorithm Based on Gradient Based Routing in Wireless Sensor Networks
July 16, 2010, 12:00am PDT
Energy efficiency is one of the critical parameters for the routing protocol in wireless sensor networks. In this paper, two energy efficient algorithms based on the Gradient-Based Routing (GBR)...
Provided by Tshwane University of Technology
-
White Papers
Improving the Performance of 802.11 Wireless LANs With MAC Adaptation
July 19, 2010, 12:00am PDT
With the increasing deployment of 802.11-based Wireless Local Area Networks (WLANs), the need to optimize the performance of 802.11 for emerging network applications has turned out to be a matter...
Provided by Tshwane University of Technology
-
White Papers
Energy-Efficient Distributed Topology Control for Heterogeneous Wireless Mesh Networks
July 11, 2008, 12:00am PDT
The topology control problem is a well researched topic for energy saving in wireless ad hoc networks. However, little attention has been given to similar problems in the case of Wireless Mesh...
Provided by Tshwane University of Technology
-
White Papers
Energy Efficient Topology Control Algorithm for Wireless Mesh Networks
June 6, 2008, 12:00am PDT
The control of the topology of a network makes it possible for the network nodes to reduce their power of transmission while ensuring that network connectivity is preserved. This paper explains...
Provided by Tshwane University of Technology
-
White Papers
Decentralized Power Control for Multi-Radio Multi- Channel Wireless Mesh Networks
July 2, 2010, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) WMNs result in power control problems including interference, un-scalable connectivity and energy-consumption. Several previous studies have focused on the single...
Provided by Tshwane University of Technology
-
White Papers
Towards Energy Efficient Mobile Communications
October 13, 2010, 12:00am PDT
The rapid growth and development of wireless communication services and applications corresponds to an increase in associated energy consumption. For broadband wireless network deployment in rural...
Provided by Tshwane University of Technology
-
White Papers
Wireless Communication Technology for Modular Mechatronic Controllers
March 3, 2011, 12:00am PST
Modular mechatronics systems comprise of mechatronics sub-systems that are functionally complete and can be independently operated. These sub-systems can be readily fitted and connected to, or in...
Provided by Tshwane University of Technology
-
White Papers
A Review of Virtual Simulators for Autonomous Underwater Vehicles (AUVs)
April 10, 2008, 12:00am PDT
This paper overview, the graphical simulators used for Autonomous Underwater Vehicles (AUVs) development. Graphical simulators allow researchers to develop autonomous software without the need for...
Provided by Tshwane University of Technology
-
White Papers
CSIR NLC - South Africa "Mobile Lidar" System Description
February 14, 2008, 12:00am PST
The laser radar, more popularly known as LIDAR (LIght Detection And Ranging), is becoming one of the most powerful techniques for active remote sensing of the earth's atmosphere. Lasers offer...
Provided by Tshwane University of Technology
-
White Papers
Rate Adaptation in Ad Hoc Networks Based on Pricing
June 6, 2011, 12:00am PDT
Nodes in ad hoc networks are autonomous and self-configuring with no form of centralized administration such that nodes are free to selfishly optimize their individual utilities without...
Provided by Tshwane University of Technology
-
White Papers
Operation and Performance of Cognitive Radios in Vehicular Environments
August 4, 2011, 12:00am PDT
In this paper, the authors look at the application of cognitive radio technology in vehicular networks. They explore some of the negative impacts of the vehicular environment on the operation of...
Provided by Tshwane University of Technology
-
White Papers
Fast Handovers Without DAD Using Sector-Based Vehicular Mobile IPv6
May 11, 2011, 12:00am PDT
One of the major challenges faced in vehicular networks is the provision of seamless and continuous IP connectivity for on-board Internet users. This mainly emanates from long handover delays and...
Provided by Tshwane University of Technology
-
White Papers
A Handover Scheme for Mobile WiMAX Using Signal Strength and Distance
August 15, 2011, 12:00am PDT
The addition to the WiMAX standard through 802.16e has made the standard more flexible and a potential choice as a wireless broadband technology. To support mobility in any wireless scheme, the...
Provided by Tshwane University of Technology
-
White Papers
Formal Verification of Initial Network Entry in WiMAX Networks
August 4, 2011, 12:00am PDT
The Initial Network Entry procedure is the first stage in establishing a connection in an IEEE 802.16 (WiMAX) network. The process involves the transmission of unencrypted management messages,...
Provided by Tshwane University of Technology
-
White Papers
Analysis of Distributed Resource Allocation in MIMO Systems Using Game Theory
May 3, 2010, 12:00am PDT
Research has shown that efficient and effective radio resource management is a key requirement for improved capacity and quality of service in wireless communication networks. Most resource...
Provided by Tshwane University of Technology
-
White Papers
Cross-Layer Optimization for Video Streaming Applications Over IEEE 802.11 Mesh Networks
July 10, 2008, 12:00am PDT
In recent years, multihop wireless mesh networks have emerged as the next evolution in wireless network technology. The primary reason for this sudden emergence emanates from the advantages...
Provided by Tshwane University of Technology
-
Whitepapers
Effective and Efficient (Dis)similarity and Retrieval Algorithms Used to Access Large Image Databases
June 8, 2012, 12:00am PDT
The emergence of large image databases in organizations and on the Internet has prompted the need for effective and efficient retrieval systems. One part that contributes immensely to this is the...
Provided by Tshwane University of Technology
-
Whitepapers
The Role of Data Mining in Customer Relationship Management
June 11, 2012, 12:00am PDT
This paper has said focus on the role of data mining in Customer Relationship Management. Developments in technology have made relationship promoting a reality these days. Technologies such as...
Provided by Tshwane University of Technology
-
White Papers
Wireless Broadband: Comparative Analysis of HSDPA Vs. WiMAX
June 27, 2007, 12:00am PDT
The ever growing demand for data and multimedia content has seen a surge in evolutionary wireless networking. This growth, largely driven by the success of data and media streaming over the...
Provided by Tshwane University of Technology
-
Whitepapers
The Role of Data Mining in Customer Relationship Management
June 11, 2012, 12:00am PDT
This paper has said focus on the role of data mining in Customer Relationship Management. Developments in technology have made relationship promoting a reality these days. Technologies such as...
Provided by Tshwane University of Technology
-
Whitepapers
Effective and Efficient (Dis)similarity and Retrieval Algorithms Used to Access Large Image Databases
June 8, 2012, 12:00am PDT
The emergence of large image databases in organizations and on the Internet has prompted the need for effective and efficient retrieval systems. One part that contributes immensely to this is the...
Provided by Tshwane University of Technology
-
White Papers
Cross-Layer Optimization for Video Streaming Applications Over IEEE 802.11 Mesh Networks
July 10, 2008, 12:00am PDT
In recent years, multihop wireless mesh networks have emerged as the next evolution in wireless network technology. The primary reason for this sudden emergence emanates from the advantages...
Provided by Tshwane University of Technology
-
White Papers
Analysis of Distributed Resource Allocation in MIMO Systems Using Game Theory
May 3, 2010, 12:00am PDT
Research has shown that efficient and effective radio resource management is a key requirement for improved capacity and quality of service in wireless communication networks. Most resource...
Provided by Tshwane University of Technology
-
White Papers
Formal Verification of Initial Network Entry in WiMAX Networks
August 4, 2011, 12:00am PDT
The Initial Network Entry procedure is the first stage in establishing a connection in an IEEE 802.16 (WiMAX) network. The process involves the transmission of unencrypted management messages,...
Provided by Tshwane University of Technology
-
White Papers
A Handover Scheme for Mobile WiMAX Using Signal Strength and Distance
August 15, 2011, 12:00am PDT
The addition to the WiMAX standard through 802.16e has made the standard more flexible and a potential choice as a wireless broadband technology. To support mobility in any wireless scheme, the...
Provided by Tshwane University of Technology
-
White Papers
Fast Handovers Without DAD Using Sector-Based Vehicular Mobile IPv6
May 11, 2011, 12:00am PDT
One of the major challenges faced in vehicular networks is the provision of seamless and continuous IP connectivity for on-board Internet users. This mainly emanates from long handover delays and...
Provided by Tshwane University of Technology
-
White Papers
Operation and Performance of Cognitive Radios in Vehicular Environments
August 4, 2011, 12:00am PDT
In this paper, the authors look at the application of cognitive radio technology in vehicular networks. They explore some of the negative impacts of the vehicular environment on the operation of...
Provided by Tshwane University of Technology
-
White Papers
Rate Adaptation in Ad Hoc Networks Based on Pricing
June 6, 2011, 12:00am PDT
Nodes in ad hoc networks are autonomous and self-configuring with no form of centralized administration such that nodes are free to selfishly optimize their individual utilities without...
Provided by Tshwane University of Technology
-
White Papers
CSIR NLC - South Africa "Mobile Lidar" System Description
February 14, 2008, 12:00am PST
The laser radar, more popularly known as LIDAR (LIght Detection And Ranging), is becoming one of the most powerful techniques for active remote sensing of the earth's atmosphere. Lasers offer...
Provided by Tshwane University of Technology
-
White Papers
A Review of Virtual Simulators for Autonomous Underwater Vehicles (AUVs)
April 10, 2008, 12:00am PDT
This paper overview, the graphical simulators used for Autonomous Underwater Vehicles (AUVs) development. Graphical simulators allow researchers to develop autonomous software without the need for...
Provided by Tshwane University of Technology
-
White Papers
Wireless Communication Technology for Modular Mechatronic Controllers
March 3, 2011, 12:00am PST
Modular mechatronics systems comprise of mechatronics sub-systems that are functionally complete and can be independently operated. These sub-systems can be readily fitted and connected to, or in...
Provided by Tshwane University of Technology
-
White Papers
Towards Energy Efficient Mobile Communications
October 13, 2010, 12:00am PDT
The rapid growth and development of wireless communication services and applications corresponds to an increase in associated energy consumption. For broadband wireless network deployment in rural...
Provided by Tshwane University of Technology
-
White Papers
Decentralized Power Control for Multi-Radio Multi- Channel Wireless Mesh Networks
July 2, 2010, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) WMNs result in power control problems including interference, un-scalable connectivity and energy-consumption. Several previous studies have focused on the single...
Provided by Tshwane University of Technology
-
White Papers
Energy Efficient Topology Control Algorithm for Wireless Mesh Networks
June 6, 2008, 12:00am PDT
The control of the topology of a network makes it possible for the network nodes to reduce their power of transmission while ensuring that network connectivity is preserved. This paper explains...
Provided by Tshwane University of Technology
-
White Papers
Energy-Efficient Distributed Topology Control for Heterogeneous Wireless Mesh Networks
July 11, 2008, 12:00am PDT
The topology control problem is a well researched topic for energy saving in wireless ad hoc networks. However, little attention has been given to similar problems in the case of Wireless Mesh...
Provided by Tshwane University of Technology
-
White Papers
Improving the Performance of 802.11 Wireless LANs With MAC Adaptation
July 19, 2010, 12:00am PDT
With the increasing deployment of 802.11-based Wireless Local Area Networks (WLANs), the need to optimize the performance of 802.11 for emerging network applications has turned out to be a matter...
Provided by Tshwane University of Technology
-
White Papers
Energy-Efficient Algorithm Based on Gradient Based Routing in Wireless Sensor Networks
July 16, 2010, 12:00am PDT
Energy efficiency is one of the critical parameters for the routing protocol in wireless sensor networks. In this paper, two energy efficient algorithms based on the Gradient-Based Routing (GBR)...
Provided by Tshwane University of Technology
-
White Papers
Decentralized Power Control for Multi-Radio Multi-Channel Wireless Mesh Networks
July 2, 2010, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) WMNs result in power control problems including interference, un-scalable connectivity and energy-consumption. Several previous studies have focused on the single...
Provided by Tshwane University of Technology
-
White Papers
QoS Management in a Multilayer WiMAX System
July 20, 2010, 12:00am PDT
In 2008, telecommunication market trends in Africa reported 0.2% penetration for Broadband Wireless Access (BWA) technologies. IEEE 802.16 (WiMAX) is recognized as a promising technology to...
Provided by Tshwane University of Technology
-
White Papers
Spectrum Access Games for Cognitive Radio Networks
July 2, 2010, 12:00am PDT
Cognitive Radio (CR) is seen as a key enabling technology for addressing current underutilization and inefficient use of radio frequency spectrum. The use of CR will see most of the spectrum white...
Provided by Tshwane University of Technology
-
White Papers
Power Control for Video Transmission Over Rural Wireless Mesh Networks
January 1, 2011, 12:00am PST
Power problems pose a major challenge when deploying Wireless Mesh Networks (WMNs) in rural areas and hinder the sustainability of wireless mesh network in such areas. This paper introduces a...
Provided by Tshwane University of Technology
-
White Papers
Per Cell Propagation Model Calibration Approach for Mobile Positioning
July 19, 2009, 12:00am PDT
This paper presents results of research on per cell propagation calibration-based mobile positioning for GSM. A novel mobile positioning system for GSM networks is proposed and assessed by field...
Provided by Tshwane University of Technology
-
White Papers
Range Based Power Control for Multi-Radio Multi-Channel Wireless Mesh Networks
July 7, 2009, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in WMNs. In this paper, the authors present a range based dynamic power control for MRMC WMNs. First, WMN is represented...
Provided by Tshwane University of Technology
-
White Papers
A Low Complexity Greedy Scheduler for Multiuser MIMO Downlink
July 19, 2010, 12:00am PDT
It is widely believed that the implementation of Multi-User Multiple Input Multiple Output (MU-MIMO) technology at the radio access portion of current and future wireless networks would positively...
Provided by Tshwane University of Technology
-
White Papers
Discrete Polyphase Matched Filtering-Based Soft Timing Estimation for Mobile Wireless Systems
September 16, 2010, 12:00am PDT
In this paper the authors present a Soft Timing Phase Estimation (STPE) method for wireless mobile receivers operating in low Signal to Noise Ratios (SNRs). Discrete Polyphase Matched (DPM)...
Provided by Tshwane University of Technology
-
White Papers
A Multiple-State Based Power Control for Multi-Radio Multi-Channel Wireless Mesh Networks
August 18, 2010, 12:00am PDT
Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in Wireless Mesh Networks (WMNs). In this paper, the authors present asynchronous multiple-state based power control for...
Provided by Tshwane University of Technology
-
White Papers
An Enhanced Scheduler for the Guarantee of QoS Multimedia Services in WiMAX Networks
July 19, 2009, 12:00am PDT
The rapid deployment of broadband wireless access has led to growing demand for multimedia applications in networks. Efficient sharing of resources becomes an issue especially in wireless networks...
Provided by Tshwane University of Technology
-
White Papers
Financial Management, Accounting And Auditing Skills Shortage, A South African Reality
June 24, 2009, 12:00am PDT
This paper draws on a study completed on behalf of the South African Institute of Chartered Accountants (SAICA). It addresses part of the research conducted to determine the existing skills...
Provided by Tshwane University of Technology
-
White Papers
Wireless Broadband: Comparative Analysis of HSDPA Vs. WiMAX
June 27, 2007, 12:00am PDT
The ever growing demand for data and multimedia content has seen a surge in evolutionary wireless networking. This growth, largely driven by the success of data and media streaming over the...
Provided by Tshwane University of Technology
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