Browsing Doctoral Degrees (Electronic Engineering) by Title
Now showing items 9-28 of 56
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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 ... -
Cross-layer design for the transmission of multimedia traffic over fading channels.
(2009)Providing guarantees in the Quality of Service (QoS) has become essential to the transmission of multimedia traffic over wireless links with fading channels. However this poses significant challenges due to the variable ... -
Design and realization for radar cross section reduction of patch antennas using shorted stubs metamaterial absorbers
(2019)This thesis is devoted to analyzing of the Radar Cross Section (RCS) of rectangular patch antenna using Metamaterial Absorber (MMA) and the analysis of its reducing techniques. The addressed theme has a great complexity ... -
The Design of high-voltage planar transistors with specific reference to the collector region.
(1984)The thesis represents a major contribution to the understanding of the design and fabrication of high-voltage planar silicon bipolar transistors, and reports on the original research carried out and the special methods ... -
Determination of millimetric signal attenuation due to rain using rain rate and raindrop size distribution models for Southern Africa.
(2014)The advantages offered by Super High Frequency (SHF) and Extremely High Frequency (EHF) bands such as large bandwidth, small antenna size, and easy installation or deployment have motivated the interest of researchers to ... -
The development of an experimental, low profile, broadband travelling wave tube amplifier.
(1994)An experimental, field replaceable travelling wave tube (TWT) with low profile, TEM transitions has been developed with the aim of combining the cost advantages of field replaceable TWTs with the bandwidth advantages of ... -
A distributed framework for the control and cooperation of heterogeneous mobile robots in smart factories.
(2017)The present consumer market is driven by the mass customisation of products. Manufacturers are now challenged with the problem of not being able to capture market share and gain higher profits by producing large volumes ... -
Enhanced performance and efficiency schemes for generalised spatial modulation.
(2017)Generalised spatial modulation (GSM) is a relatively new multiple-input multiple-output (MIMO) technique, which conveys information via a spatial constellation, comprising groupings of active transmit antenna, and a ... -
Enhanced performance and efficiency schemes for generalised spatial modulation.
(2017)Abstract available in PDF file.