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University of KwaZulu-Natal
(15 results)-
White Papers
Key Distribution in Mobile Ad Hoc Networks Based on Message Relaying
April 28, 2007, 12:00am PDT
Securing wireless Mobile Ad hoc NETworks (MANETs) is challenging due to the lack of centralized authority and poor connectivity. A key distribution mechanism is central to any public key...
Provided by University of KwaZulu-Natal
-
White Papers
Indirect Taxation And Gender Equity: Evidence From South Africa
September 29, 2009, 12:00am PDT
This paper explores the equity implications of indirect or consumption taxes from a gender perspective, using detailed expenditure data for South Africa. While a growing literature on the...
Provided by University of KwaZulu-Natal
-
White Papers
Object-Oriented Programming
February 5, 2007, 12:00am PST
OBJECT-ORIENTED PROGRAMMING (OOP) represents an attempt to make programs more closely model the way people think about and deal with the world. In the older styles of programming, a programmer who...
Provided by University of KwaZulu-Natal
-
White Papers
Measuring Portfolio Diversification
February 24, 2011, 12:00am PST
In the market place, diversification reduces risk and provides protection against extreme events by ensuring that one is not overly exposed to individual occurrences. The authors argue that...
Provided by University of KwaZulu-Natal
-
White Papers
Trust Establishment in Ad Hoc Networks by Certificate Distribution and Postponed Verification
March 9, 2010, 12:00am PST
Trust establishment in wireless ad hoc networks is a challenge because of its unique characteristics. These include the lack of a central authority and the autonomous, dynamic nature of these...
Provided by University of KwaZulu-Natal
-
White Papers
Performance of Extended Super-Orthogonal Space -Time Trellis Coded OFDM System
July 14, 2010, 12:00am PDT
In this paper, the performance of extended super orthogonal space time trellis coded orthogonal frequency division multiplexing system is investigated in frequency selective wideband wireless...
Provided by University of KwaZulu-Natal
-
White Papers
Design and Implementation of Wireless Sensor Network for Wildlife Monitoring (May 2009)
July 20, 2009, 12:00am PDT
Wireless Sensor Networks (WSN) is a popular and interesting field of research in the study of wildlife. In this paper, the design of a WSN that will be used to remotely monitor wildlife is...
Provided by University of KwaZulu-Natal
-
White Papers
A Comparison of Scheduling Algorithms in HSDPA
August 3, 2009, 12:00am PDT
This paper compares the behaviour of Earliest Deadline First (EDF) and Opportunistic-EDF (O-EDF) with that of Round Robin, Proportional Fair Throughput (PFT), and Maximum Carrier to Interference...
Provided by University of KwaZulu-Natal
-
White Papers
A Hybrid Trust Model for Mobile Ad Hoc Networks
July 16, 2009, 12:00am PDT
Trust establishment is a key aspect of network management. Establishing trust in a wireless ad hoc network environment is a challenge because of its unique characteristics. These include the lack...
Provided by University of KwaZulu-Natal
-
White Papers
Analytical Modeling of Rain Attenuation and Its Application to Terrestrial LOS Links
July 20, 2009, 12:00am PDT
The aim of this paper is to propose an analytical model for the calculation of rain attenuation on terrestrial line-of-sight link. This paper employs Mie theory for electromagnetic scattering by...
Provided by University of KwaZulu-Natal
-
White Papers
Super-Orthogonal Space-Time Trellis Codes for Virtual Antenna Arrays
October 3, 2006, 12:00am PDT
This paper investigates the performance of super-orthogonal space time trellis codes when Virtual Antenna Arrays (VAA) are employed. The concept of virtual antenna arrays was developed to emulate...
Provided by University of KwaZulu-Natal
-
White Papers
Modified Dynamic Source Routing for Wireless Sensor Networks: End-to-End Delay Analysis
August 4, 2011, 12:00am PDT
Routing presents a significant design challenge to meet various application requirements in Wireless Sensor Networks (WSNs) communication. In this paper, the authors propose a minimum-delay...
Provided by University of KwaZulu-Natal
-
White Papers
A Study of the Energy Consumption of Security Encryption Policies in Wireless Devices
July 17, 2008, 12:00am PDT
Security is becoming an everyday concern for a wide range of electronic systems that manipulate, communicate, and store sensitive data. An important and emerging category of such electronic...
Provided by University of KwaZulu-Natal
-
White Papers
Measuring Performance Impact of Authentication and Encryption Protocols on a Wireless LAN
July 17, 2008, 12:00am PDT
Wireless Local Area Networks (WLANs) found a wide spread in all aspects of life because of low cost and also because it adds mobility and flexibility on the network. Wireless transmission is...
Provided by University of KwaZulu-Natal
-
White Papers
Key-Exchange in Peer-to-Peer Radio Networks
August 27, 2006, 12:00am PDT
The paper presents some simple techniques for key establishment over a radio link in pure peer-to-peer network. In such networks, the users do not share any authenticated information in advance...
Provided by University of KwaZulu-Natal
-
White Papers
Key-Exchange in Peer-to-Peer Radio Networks
August 27, 2006, 12:00am PDT
The paper presents some simple techniques for key establishment over a radio link in pure peer-to-peer network. In such networks, the users do not share any authenticated information in advance...
Provided by University of KwaZulu-Natal
-
White Papers
Measuring Performance Impact of Authentication and Encryption Protocols on a Wireless LAN
July 17, 2008, 12:00am PDT
Wireless Local Area Networks (WLANs) found a wide spread in all aspects of life because of low cost and also because it adds mobility and flexibility on the network. Wireless transmission is...
Provided by University of KwaZulu-Natal
-
White Papers
A Study of the Energy Consumption of Security Encryption Policies in Wireless Devices
July 17, 2008, 12:00am PDT
Security is becoming an everyday concern for a wide range of electronic systems that manipulate, communicate, and store sensitive data. An important and emerging category of such electronic...
Provided by University of KwaZulu-Natal
-
White Papers
Modified Dynamic Source Routing for Wireless Sensor Networks: End-to-End Delay Analysis
August 4, 2011, 12:00am PDT
Routing presents a significant design challenge to meet various application requirements in Wireless Sensor Networks (WSNs) communication. In this paper, the authors propose a minimum-delay...
Provided by University of KwaZulu-Natal
-
White Papers
Super-Orthogonal Space-Time Trellis Codes for Virtual Antenna Arrays
October 3, 2006, 12:00am PDT
This paper investigates the performance of super-orthogonal space time trellis codes when Virtual Antenna Arrays (VAA) are employed. The concept of virtual antenna arrays was developed to emulate...
Provided by University of KwaZulu-Natal
-
White Papers
Analytical Modeling of Rain Attenuation and Its Application to Terrestrial LOS Links
July 20, 2009, 12:00am PDT
The aim of this paper is to propose an analytical model for the calculation of rain attenuation on terrestrial line-of-sight link. This paper employs Mie theory for electromagnetic scattering by...
Provided by University of KwaZulu-Natal
-
White Papers
A Hybrid Trust Model for Mobile Ad Hoc Networks
July 16, 2009, 12:00am PDT
Trust establishment is a key aspect of network management. Establishing trust in a wireless ad hoc network environment is a challenge because of its unique characteristics. These include the lack...
Provided by University of KwaZulu-Natal
-
White Papers
A Comparison of Scheduling Algorithms in HSDPA
August 3, 2009, 12:00am PDT
This paper compares the behaviour of Earliest Deadline First (EDF) and Opportunistic-EDF (O-EDF) with that of Round Robin, Proportional Fair Throughput (PFT), and Maximum Carrier to Interference...
Provided by University of KwaZulu-Natal
-
White Papers
Design and Implementation of Wireless Sensor Network for Wildlife Monitoring (May 2009)
July 20, 2009, 12:00am PDT
Wireless Sensor Networks (WSN) is a popular and interesting field of research in the study of wildlife. In this paper, the design of a WSN that will be used to remotely monitor wildlife is...
Provided by University of KwaZulu-Natal
-
White Papers
Performance of Extended Super-Orthogonal Space -Time Trellis Coded OFDM System
July 14, 2010, 12:00am PDT
In this paper, the performance of extended super orthogonal space time trellis coded orthogonal frequency division multiplexing system is investigated in frequency selective wideband wireless...
Provided by University of KwaZulu-Natal
-
White Papers
Trust Establishment in Ad Hoc Networks by Certificate Distribution and Postponed Verification
March 9, 2010, 12:00am PST
Trust establishment in wireless ad hoc networks is a challenge because of its unique characteristics. These include the lack of a central authority and the autonomous, dynamic nature of these...
Provided by University of KwaZulu-Natal
-
White Papers
Measuring Portfolio Diversification
February 24, 2011, 12:00am PST
In the market place, diversification reduces risk and provides protection against extreme events by ensuring that one is not overly exposed to individual occurrences. The authors argue that...
Provided by University of KwaZulu-Natal
-
White Papers
Object-Oriented Programming
February 5, 2007, 12:00am PST
OBJECT-ORIENTED PROGRAMMING (OOP) represents an attempt to make programs more closely model the way people think about and deal with the world. In the older styles of programming, a programmer who...
Provided by University of KwaZulu-Natal
-
White Papers
Indirect Taxation And Gender Equity: Evidence From South Africa
September 29, 2009, 12:00am PDT
This paper explores the equity implications of indirect or consumption taxes from a gender perspective, using detailed expenditure data for South Africa. While a growing literature on the...
Provided by University of KwaZulu-Natal
-
White Papers
Key Distribution in Mobile Ad Hoc Networks Based on Message Relaying
April 28, 2007, 12:00am PDT
Securing wireless Mobile Ad hoc NETworks (MANETs) is challenging due to the lack of centralized authority and poor connectivity. A key distribution mechanism is central to any public key...
Provided by University of KwaZulu-Natal
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