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University of Pretoria
(28 results)-
White Papers
Acquisition of a Symbian Smart Phone's Content With an On-Phone Forensic Tool
October 31, 2007, 12:00am PDT
A smart phone is a handheld device that combines the functionality of a cellphone, a Personal Digital Assistant (PDA) and other information appliances such a music player. These devices can...
Provided by University of Pretoria
-
White Papers
Financial Development And Economic Growth In Latin America: Is Schumpeter Right?
September 20, 2010, 12:00am PDT
In this paper the authors investigate the role of financial development, or more wide-spread access to finance, in generating economic growth in four Latin American countries between 1980 and...
Provided by University of Pretoria
-
White Papers
Inflation And Economic Growth In Latin America: Some Panel Time-Series Evidence
April 30, 2010, 12:00am PDT
In this paper the authors investigate the role of poor macroeconomic performance, in terms of high rates of inflation, in determining economic growth in four Latin American countries between 1970...
Provided by University of Pretoria
-
White Papers
Financial Market Liberalization, Monetary Policy, And Housing Price Dynamics
March 1, 2010, 12:00am PST
This paper considers how monetary policy, a Federal funds rate shock, affects the dynamics of the US housing sector and whether the financial market liberalization of the early 1980's influenced...
Provided by University of Pretoria
-
White Papers
Financial Development And Economic Growth In Latin America: Schumpeter Is Right!
June 13, 2010, 12:00am PDT
In this paper the authors investigate the role of financial development, or more wide-spread access to finance, in generating economic growth in four Latin American countries between 1980 and...
Provided by University of Pretoria
-
White Papers
Mobilising Tax Revenue To Finance Development: The Case For Property Taxation In Francophone Africa
November 3, 2010, 12:00am PDT
In the context of a widespread focus on decentralisation in Africa, there has been an imperative to find suitable ways to maximise potential own revenue sources at all sub-national government...
Provided by University of Pretoria
-
White Papers
The Opportunistic Approach To Monetary Policy And Financial Markets
February 1, 2011, 12:00am PST
The authors test the concept of the Opportunistic Approach to monetary policy in South Africa post 2000 inflation targeting regime. The findings support the two features of the opportunistic...
Provided by University of Pretoria
-
White Papers
Growth Theory And Application: The Case Of South Africa
September 1, 2007, 12:00am PDT
This paper is a comparison study of traditional neoclassical growth theory and new growth theory. It also discusses growth theory in the real world by investigating the so called "Growth miracles"...
Provided by University of Pretoria
-
White Papers
The Application of Non-Quantitative Modeling in the Analysis of a Network Warfare Environment
June 17, 2009, 12:00am PDT
Network warfare is an emerging concept that focuses on the network and computer based forms through which information is attacked and defended. Various computer and network security concepts thus...
Provided by University of Pretoria
-
White Papers
Tax Evasion And Financial Repression: A Reconsideration Using Endogenous Growth Models
May 24, 2008, 12:00am PDT
Using two dynamic monetary general equilibrium models characterized by endogenous growth, financial repression and endogenously determined tax evasion, the authors analyze whether financial...
Provided by University of Pretoria
-
White Papers
A Decision Metric Approach to PAPR Performance Analysis of an OM-OFDM Transmission
July 19, 2010, 12:00am PDT
In this paper, a novel method called Offset Modulation (OM-OFDM) is proposed, to control the Peak-to-Average Power Ratio (PAPR) of an OFDM signal. The theoretical bandwidth occupancy of the...
Provided by University of Pretoria
-
White Papers
Dualband Approach to Cooperative Communication in Wireless Network
July 20, 2010, 12:00am PDT
In this paper, the authors present a novel approach to cooperation in wireless communication network i.e., the use of dual frequency band per node in a network. The dualband node uses one of its...
Provided by University of Pretoria
-
White Papers
Implementing a Trusted Service-Oriented Network Environment
July 13, 2008, 12:00am PDT
Trust has become an important feature of security. Originally having its roots in the social sciences, it has fast moved into the field of computer science and more recently into the domain of...
Provided by University of Pretoria
-
White Papers
Analysing the Fairness of Trust-Based Mobile Ad Hoc Network Protocols
August 9, 2011, 12:00am PDT
Mobile Ad hoc NETwork (MANET) consists out of a collection of mobile nodes capable of sending and/or receiving wireless communications. MANETs are generally unstructured networks with no...
Provided by University of Pretoria
-
White Papers
A Survey of Wireless Sensor Network Applications From a Power Utility's Distribution Perspective
June 24, 2011, 12:00am PDT
The task of monitoring and controlling power distribution networks is very challenging given the huge number of assets involved and their wide geographic distribution; this frames a role for...
Provided by University of Pretoria
-
White Papers
A Polarization Diverse Antenna for Dual-Band WLAN Applications
October 1, 2009, 12:00am PDT
A Dual-Band Dual-Polarized (DBDP) array antenna is proposed for Wireless Local Area Network (WLAN) applications. A four-element array is used to facilitate operation in both the standard WLAN...
Provided by University of Pretoria
-
White Papers
Channel Estimation for Space-Time Trellis Coded-OFDM Systems Based on Nonoverlapping Pilot Structure
July 9, 2008, 12:00am PDT
The performance of Space Time Trellis Coded Orthogonal Frequency Division Multiplexing (STTC-OFDM) systems relies on accurate channel state information at the receiver for proper decoding. One...
Provided by University of Pretoria
-
White Papers
Double Dipole Antenna for Dual-Band Wlan Applications
January 19, 2010, 12:00am PST
A double dipole antenna design is proposed for Wireless Local Area Network (WLAN) applications. Two parallel dipoles are used to facilitate operation in both the standard WLAN frequency bands...
Provided by University of Pretoria
-
White Papers
Dual-Band Dual-Polarized Array for WLAN Applications
September 13, 2009, 12:00am PDT
This paper presents a dual-band dual-polarized antenna array design for WLAN applications. Four double-dipole elements are orthogonally interleaved to facilitate operation in both the standard...
Provided by University of Pretoria
-
White Papers
Framework for Developing Realistic MANET Simulations
March 1, 2011, 12:00am PST
Mobile Ad hoc Networks have become an attractive option for military and disaster-response operations. Its ad hoc nature allows for fast deployment and requires no pre-existing network...
Provided by University of Pretoria
-
White Papers
Super-Orthogonal Block Codes with Multichannel Equalisation and OFDM in Frequency Selective Fading
June 21, 2010, 12:00am PDT
Super-orthogonal block codes in space-time domain (i.e., Super-Orthogonal Space-Time Trellis Codes (SOSTTCs)) were initially designed for Frequency Non-Selective (FNS) channels but in Frequency...
Provided by University of Pretoria
-
White Papers
Scalable and Energy Efficient Localisation in Wireless Sensor NetWorks
January 8, 2008, 12:00am PST
A need exists for localisation algorithms in Wireless Sensor Networks (WSNs) that are scalable, energy efficient and able to function in easy to deploy sensor networks. This paper proposes a...
Provided by University of Pretoria
-
White Papers
A Silent SMS Denial of Service (DoS) Attack
October 31, 2007, 12:00am PDT
Global System for Mobile communications (GSM) is a popular mobile communications network. Short Message Service (SMS) is an easily adopted person-to-person communications technology for mobile...
Provided by University of Pretoria
-
White Papers
UML Modelling of Digital Forensic Process Models (DFPMs)
June 18, 2008, 12:00am PDT
A number of forensic processes have been used successfully in the field of Digital Forensics. The aim of this paper is to model some of these processes by using the Unified Modeling Language (UML)...
Provided by University of Pretoria
-
White Papers
SBYaoGG: Distributed Energy Efficient Topology Control With Low Interference
August 3, 2011, 12:00am PDT
Topology control plays an important role in the design of wireless ad hoc and sensor networks; it is capable of constructing networks that have desirable characteristics such as sparser...
Provided by University of Pretoria
-
White Papers
A Multi-Levelled OFDM-CDMA Modem Using Complete Complementary Codes
August 1, 2011, 12:00am PDT
In this paper, the authors introduce a novel multiple access scheme based on a combination of a multi-levelled modem and multi-carrier techniques with the use of complete complementary codes. This...
Provided by University of Pretoria
-
White Papers
Log Domain Turbo STFC Decoding With the Zero Forcing and MMSE Decoders
May 11, 2011, 12:00am PDT
In this paper, a method for the joint decoding of a MIMO system using apriori information in conjunction with the Zero-Forcing and Minimum Mean Squared Error decoders is presented. The proposed...
Provided by University of Pretoria
-
White Papers
Using Object-Oriented Concepts to Develop a Conceptual Model for the Management of Information Privacy Risk in Large Organisations
July 1, 2008, 12:00am PDT
This paper presents a conceptual model for the management of information privacy risk in large organisations. The model is based on the similarities between the concepts of departments in large...
Provided by University of Pretoria
-
White Papers
Log Domain Turbo STFC Decoding With the Zero Forcing and MMSE Decoders
May 11, 2011, 12:00am PDT
In this paper, a method for the joint decoding of a MIMO system using apriori information in conjunction with the Zero-Forcing and Minimum Mean Squared Error decoders is presented. The proposed...
Provided by University of Pretoria
-
White Papers
A Multi-Levelled OFDM-CDMA Modem Using Complete Complementary Codes
August 1, 2011, 12:00am PDT
In this paper, the authors introduce a novel multiple access scheme based on a combination of a multi-levelled modem and multi-carrier techniques with the use of complete complementary codes. This...
Provided by University of Pretoria
-
White Papers
SBYaoGG: Distributed Energy Efficient Topology Control With Low Interference
August 3, 2011, 12:00am PDT
Topology control plays an important role in the design of wireless ad hoc and sensor networks; it is capable of constructing networks that have desirable characteristics such as sparser...
Provided by University of Pretoria
-
White Papers
Super-Orthogonal Block Codes with Multichannel Equalisation and OFDM in Frequency Selective Fading
June 21, 2010, 12:00am PDT
Super-orthogonal block codes in space-time domain (i.e., Super-Orthogonal Space-Time Trellis Codes (SOSTTCs)) were initially designed for Frequency Non-Selective (FNS) channels but in Frequency...
Provided by University of Pretoria
-
White Papers
Framework for Developing Realistic MANET Simulations
March 1, 2011, 12:00am PST
Mobile Ad hoc Networks have become an attractive option for military and disaster-response operations. Its ad hoc nature allows for fast deployment and requires no pre-existing network...
Provided by University of Pretoria
-
White Papers
Dual-Band Dual-Polarized Array for WLAN Applications
September 13, 2009, 12:00am PDT
This paper presents a dual-band dual-polarized antenna array design for WLAN applications. Four double-dipole elements are orthogonally interleaved to facilitate operation in both the standard...
Provided by University of Pretoria
-
White Papers
Double Dipole Antenna for Dual-Band Wlan Applications
January 19, 2010, 12:00am PST
A double dipole antenna design is proposed for Wireless Local Area Network (WLAN) applications. Two parallel dipoles are used to facilitate operation in both the standard WLAN frequency bands...
Provided by University of Pretoria
-
White Papers
Channel Estimation for Space-Time Trellis Coded-OFDM Systems Based on Nonoverlapping Pilot Structure
July 9, 2008, 12:00am PDT
The performance of Space Time Trellis Coded Orthogonal Frequency Division Multiplexing (STTC-OFDM) systems relies on accurate channel state information at the receiver for proper decoding. One...
Provided by University of Pretoria
-
White Papers
A Polarization Diverse Antenna for Dual-Band WLAN Applications
October 1, 2009, 12:00am PDT
A Dual-Band Dual-Polarized (DBDP) array antenna is proposed for Wireless Local Area Network (WLAN) applications. A four-element array is used to facilitate operation in both the standard WLAN...
Provided by University of Pretoria
-
White Papers
A Survey of Wireless Sensor Network Applications From a Power Utility's Distribution Perspective
June 24, 2011, 12:00am PDT
The task of monitoring and controlling power distribution networks is very challenging given the huge number of assets involved and their wide geographic distribution; this frames a role for...
Provided by University of Pretoria
-
White Papers
Analysing the Fairness of Trust-Based Mobile Ad Hoc Network Protocols
August 9, 2011, 12:00am PDT
Mobile Ad hoc NETwork (MANET) consists out of a collection of mobile nodes capable of sending and/or receiving wireless communications. MANETs are generally unstructured networks with no...
Provided by University of Pretoria
-
White Papers
Implementing a Trusted Service-Oriented Network Environment
July 13, 2008, 12:00am PDT
Trust has become an important feature of security. Originally having its roots in the social sciences, it has fast moved into the field of computer science and more recently into the domain of...
Provided by University of Pretoria
-
White Papers
Dualband Approach to Cooperative Communication in Wireless Network
July 20, 2010, 12:00am PDT
In this paper, the authors present a novel approach to cooperation in wireless communication network i.e., the use of dual frequency band per node in a network. The dualband node uses one of its...
Provided by University of Pretoria
-
White Papers
A Decision Metric Approach to PAPR Performance Analysis of an OM-OFDM Transmission
July 19, 2010, 12:00am PDT
In this paper, a novel method called Offset Modulation (OM-OFDM) is proposed, to control the Peak-to-Average Power Ratio (PAPR) of an OFDM signal. The theoretical bandwidth occupancy of the...
Provided by University of Pretoria
-
White Papers
Tax Evasion And Financial Repression: A Reconsideration Using Endogenous Growth Models
May 24, 2008, 12:00am PDT
Using two dynamic monetary general equilibrium models characterized by endogenous growth, financial repression and endogenously determined tax evasion, the authors analyze whether financial...
Provided by University of Pretoria
-
White Papers
The Application of Non-Quantitative Modeling in the Analysis of a Network Warfare Environment
June 17, 2009, 12:00am PDT
Network warfare is an emerging concept that focuses on the network and computer based forms through which information is attacked and defended. Various computer and network security concepts thus...
Provided by University of Pretoria
-
White Papers
Growth Theory And Application: The Case Of South Africa
September 1, 2007, 12:00am PDT
This paper is a comparison study of traditional neoclassical growth theory and new growth theory. It also discusses growth theory in the real world by investigating the so called "Growth miracles"...
Provided by University of Pretoria
-
White Papers
The Opportunistic Approach To Monetary Policy And Financial Markets
February 1, 2011, 12:00am PST
The authors test the concept of the Opportunistic Approach to monetary policy in South Africa post 2000 inflation targeting regime. The findings support the two features of the opportunistic...
Provided by University of Pretoria
-
White Papers
Mobilising Tax Revenue To Finance Development: The Case For Property Taxation In Francophone Africa
November 3, 2010, 12:00am PDT
In the context of a widespread focus on decentralisation in Africa, there has been an imperative to find suitable ways to maximise potential own revenue sources at all sub-national government...
Provided by University of Pretoria
-
White Papers
Financial Development And Economic Growth In Latin America: Schumpeter Is Right!
June 13, 2010, 12:00am PDT
In this paper the authors investigate the role of financial development, or more wide-spread access to finance, in generating economic growth in four Latin American countries between 1980 and...
Provided by University of Pretoria
-
White Papers
Financial Market Liberalization, Monetary Policy, And Housing Price Dynamics
March 1, 2010, 12:00am PST
This paper considers how monetary policy, a Federal funds rate shock, affects the dynamics of the US housing sector and whether the financial market liberalization of the early 1980's influenced...
Provided by University of Pretoria
-
White Papers
Inflation And Economic Growth In Latin America: Some Panel Time-Series Evidence
April 30, 2010, 12:00am PDT
In this paper the authors investigate the role of poor macroeconomic performance, in terms of high rates of inflation, in determining economic growth in four Latin American countries between 1970...
Provided by University of Pretoria
-
White Papers
Financial Development And Economic Growth In Latin America: Is Schumpeter Right?
September 20, 2010, 12:00am PDT
In this paper the authors investigate the role of financial development, or more wide-spread access to finance, in generating economic growth in four Latin American countries between 1980 and...
Provided by University of Pretoria
-
White Papers
Acquisition of a Symbian Smart Phone's Content With an On-Phone Forensic Tool
October 31, 2007, 12:00am PDT
A smart phone is a handheld device that combines the functionality of a cellphone, a Personal Digital Assistant (PDA) and other information appliances such a music player. These devices can...
Provided by University of Pretoria
-
White Papers
Using Object-Oriented Concepts to Develop a Conceptual Model for the Management of Information Privacy Risk in Large Organisations
July 1, 2008, 12:00am PDT
This paper presents a conceptual model for the management of information privacy risk in large organisations. The model is based on the similarities between the concepts of departments in large...
Provided by University of Pretoria
-
White Papers
UML Modelling of Digital Forensic Process Models (DFPMs)
June 18, 2008, 12:00am PDT
A number of forensic processes have been used successfully in the field of Digital Forensics. The aim of this paper is to model some of these processes by using the Unified Modeling Language (UML)...
Provided by University of Pretoria
-
White Papers
A Silent SMS Denial of Service (DoS) Attack
October 31, 2007, 12:00am PDT
Global System for Mobile communications (GSM) is a popular mobile communications network. Short Message Service (SMS) is an easily adopted person-to-person communications technology for mobile...
Provided by University of Pretoria
-
White Papers
Scalable and Energy Efficient Localisation in Wireless Sensor NetWorks
January 8, 2008, 12:00am PST
A need exists for localisation algorithms in Wireless Sensor Networks (WSNs) that are scalable, energy efficient and able to function in easy to deploy sensor networks. This paper proposes a...
Provided by University of Pretoria
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