Electronic Engineering
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Power line communication impedance profiling and matching for broadband applications.
(2018)Power line communication(PLC) is a wired communication technology that has recently re- ceived a lot of attention due to its attractive prospects towards home and /or neighborhood network applications as well as smart ... -
Semi-empirical modelling of subtropical rain attenuation on earth-satellite microwave links.
(2018)The exponential rise in demand for high fidelity content on multiple platforms has in recent years made increased use of the higher echelons of radio communication frequency inevitable. At these high frequencies, wavelength ... -
Improvement of mobile trilateration accuracy with modified geo-location techniques.
(2018)Abstract available in pdf. -
Design and analytical performance of subthreshold characteristics of CSDG MOSFET.
(2019)The downscaling of the Metal-Oxide-Semiconductor Field Effect Transistors (MOSFET) devices have been the driving force for Nanotechnology and Very Large-Scale Integration (VLSI) systems. This is affirmed by Moore’s law ... -
Multimodal enhancement-fusion technique for natural images.
(2018)This dissertation presents a multimodal enhancement-fusion (MEF) technique for natural images. The MEF is expected to contribute value to machine vision applications and personal image collections for the human user. Image ... -
Index modulation for next generation wireless communications.
(2018)A multicarrier index modulation technique in the form of quadrature spatial modulation (QSM) orthogonal frequency division multiplexing (QSM-OFDM) is proposed, in which transmit antenna indices are employed to transmit ... -
Uncoded space-time labelling diversity : data rate & reliability enhancements and application to real-world satellite broadcasting.
(2019)Abstract available in PDF. -
Application of CSDG Mosfet based active high pass filter in communication systems.
(2019)This research work looks at the design of three active high pass filters. These filters have been designed for (i) robotic system, (ii) sensing device and (iii) satellite communication system. In this research work a high ... -
Improved parametric analysis of cylindrical surrounding double-gate (CSDG) MOSFET.
(2018)Transistors are major components in designing and fabricating high-speed switching devices and micro-electronics. The Metal Oxide Semiconductor Field Effect Transistor (MOSFET) is popular and highly efficient for designing ... -
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 ... -
Factors influencing the usage of web 2.0 tools in higher education.
(2019)The purpose of this study was to investigate the factors that influence the usage of Web 2.0 tools among academics in higher education in South Africa as well as the barriers that may arise when using these tools. Web 2.0 ... -
Rainfall attenuation prediction model for dynamic rain fade mitigation technique considering millimeter wave communication link.
(2018)To deliver modern day broadband services to both fixed and mobile devices, ultra-high speed wireless networks are required. Innovative services such as the Internet-of-Things (IoT) can be facilitated by the deployment of ... -
Study of lower sampling intervals on rainfall queue characteristics over Radio Links in South Africa.
(2017)Rainfall attenuation in tropical and subtropical regions of the world has continued to attract great interest; as there is a urgent emphasis on proper spectrum management and sharing, particularly at microwave and millimeter ... -
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 ... -
Study of lower sampling intervals on rainfall queue characteristics over radio links in South Africa.
(2017)Abstract available in pdf. -
Modelling of propagation path loss using adaptive hybrid artificial neural network approach for outdoor environments.
(2018)Prediction of signal power loss between transmitter and receiver with minimal error is an important issue in telecommunication network planning and optimization process. Some of the basic available conventional models in ... -
Mitigation techniques through spatial diversity combining and relay-assisted technology in a turbulence impaired and misaligned free space optical channel.
(2018)In recent times, spectrum resource scarcity in Radio Frequency (RF) systems is one of the biggest and prime issues in the area of wireless communications. Owing to the cost of spectrum, increase in the bandwidth allocation ... -
Trellis code-aided high-rate differential space-time block code and enhanced uncoded space-time labeling diversity.
(2017)In this dissertation, a trellis code-aided bandwidth efficiency improvement technique for space-time block coded wireless communication systems is investigated. The application of the trellis code-aided bandwidth efficiency ... -
Analysis and design of smart antenna arrays (SAAs) for improved directivity at GHz range for wireless communication systems.
(2018)Abstract available in PDF file.
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