Browsing Doctoral Degrees (Electronic Engineering) by Title
Now showing items 2-21 of 58
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A semi-empirical formulation for determination of rain attenuation on terrestrial radio links.
(2010)Advances in today’s fast growing communication systems have resulted in congestion in the lower frequency bands and the need for higher capacity broadband services. This has made it inevitable for service providers to ... -
An adaptive protocol for use over meteor scatter channels.
(1987)Modem technology has revived interest in the once popular area of meteor scatter communications. Meteor scatter systems offer reliable communications in the 500 to 2000 km range all day, every day. Recent advances in ... -
Alternative techniques for the improvement of energy efficiency in cognitive radio networks.
(2016)Abstract available in PDF file. -
Analysis and design of smart antenna arrays (SAAs) for improved directivity at GHz range for wireless communication systems.
(2018)Abstract available in PDF file. -
Analysis of the EDF family of schedulers.
(2009)Modern telecommunications companies are moving away from conventional circuit-switched architectures to more versatile packet-switched infrastructures. Traditional First-In-FirstOut (FIFO) queues that are currently ... -
The analysis, simulation and testing of an experimental travelling- wave tube.
(1994)As a design and analysis aid for the development of an experimental TWT, a computer program is written which allows the small-signal gain to be computed for various operating conditions, such as various conditions of ... -
An Analytic model for high electron mobility transistors.
(1986)The last six years has seen the emergence and rapid development of a new type of field effect transistor, the High Electron Mobility Transistor (HEMT), which offers improved performance in both digital and analogue circuits ... -
Application of cognitive radio based sensor network in smart grids for efficient, holistic monitoring and control.
(2018)This thesis is directed towards the application of cognitive radio based sensor network (CRSN) in smart grid (SG) for efficient, holistic monitoring and control. The work involves enabling of sensor network and wireless ... -
A CAD tool for the prediction of VLSI interconnect reliability.
(1988)This thesis proposes a new approach to the design of reliable VLSI interconnects, based on predictive failure models embedded in a software tool for reliability analysis. A method for predicting the failure rate of ... -
Channel assembling policies for heterogeneous fifth generation (5G) cognitive radio networks.
(2016)Abstract available in PDF file. -
Channel characterization for broadband powerline communications.
(2014)The main limiting factor in broadband powerline communications is the presence of impedance discontinuities in the wired channel. This phenomenon is present in both outdoor and indoor powerline communication (PLCs) channels. ... -
Channel estimation for SISO and MIMO OFDM communications systems.
(2010)Telecommunications in the current information age is increasingly relying on the wireless link. This is because wireless communication has made possible a variety of services ranging from voice to data and now to multimedia. ... -
Characteristics of rain at microwave and millimetric bands for terrestrial and satellite links attenuation in South Africa and surrounding islands.
(2010)The emergence of a vast range of communication devices running on different types of technology has made convergence of technology become the order of the day. This revolution observed in communications technology has ... -
Characterization and modeling of the channel and noise for broadband indoor Power Line Communication (PLC) networks.
(2016)Power Line Communication (PLC) is an interesting approach in establishing last mile broadband access especially in rural areas. PLC provides an already existing medium for broadband internet connectivity as well as ... -
Clear-air radioclimatological modeling for terrestrial line of sight links in Southern Africa.
(2010)This thesis has investigated radioclimatological study in a clear-air environment as applicable to terrestrial line of sight link design problems. Radioclimatological phenomena are adequately reviewed both for the precipitation ... -
Combined turbo coding and interference rejection for DS-CDMA.
(2004)This dissertation presents interference cancellation techniques for both the Forward Error Correction (FEC) coded and the uncoded Direct Sequence Code Division Multiple Access (DS-CDMA) systems. Analytical models are ... -
Computer-aided design of RF MOSFET power amplifiers.
(1992)The process of designing high power RF amplifiers has in the past relied heavily on measurements, in conjunction with simple linear theory. With the advent of the harmonic balance method and increasingly faster computers, ... -
Constant modulus based blind adaptive multiuser detection.
(2004)Signal processing techniques such as multi user detection (MUD) have the capability of greatly enhancing the performance and capacity of future generation wireless communications systems. Blind adaptive MUD's have many ... -
Cooperative diversity techniques for future wireless communications systems.
(2013)Multiple-input multiple-output (MIMO) systems have been extensively studied in the past decade. The attractiveness of MIMO systems is due to the fact that they drastically reduce the deleterious e ects of multipath fading ... -
Cross-layer design for multimedia applications in cognitive radio networks.
(2015)The exponential growth in wireless services and the current trend of development in wireless communication technologies have resulted into an overcrowded radio spectrum band in such a way that it can no longer meet the ...