Masters Degrees (Electronic Engineering)
Recent Submissions
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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 ... -
Performance analysis of optical wireless communication systems in a warm-summer Mediterranean climatic region.
(2017)Abstract available in PDF file. -
Energy efficient cooperative spectrum sensing techniques in cognitive radio networks.
(2017)The demand for spectrum is increasing particularly due to the accelerating growth in wireless data traffic generated by smart phones, tablets and other internet access devices. Most of prime spectrum is already licensed. ... -
Soft-output detection for transit antenna index modulation-based schemes.
(2016)Abstract available in PDF file. -
Differential spatial modulation : low complexity detection and improved error performance.
(2016)Multiple-input multiple-output (MIMO) systems utilize multiple transmit and receive antennas in order to achieve a high spectral efficiency and improved reliability for wireless links. However, MIMO systems suffer from ... -
Determination of rainfall parameters for specific attenuation due to rain for different integration times for terrestrial line-of-sight links in South Africa.
(2016)Currently, there have been large demand for end-user services that use large bandwidths, while requiring best throughputs; these requirements are often not realistic because of meagre allocation of radio resources. ... -
Transmit antenna selection algorithms for quadrature spatial modulation.
(2016)The use of multiple-input multiple-output (MIMO) systems has become increasingly popular due to the demand for high data rate transmissions. One such attractive MIMO system is spatial modulation (SM). SM is an ideal ... -
A flexible statistical framework for the characterization and modelling of noise in powerline communication channels.
(2015)One communication medium that has received a lot of interest in recent years is the power line channel, especially for the delivery of broadband content. This channel has been traditionally used to carry electrical power ... -
Call admission control for interactive multimedia satellite networks.
(2015)Satellite communication has become an integral component of global access communication network due mainly to its ubiquitous coverage, large bandwidth and ability to support for large numbers of users over fixed and mobile ... -
Alternative approach to Power Line Communication (PLC) channel modelling and multipath characterization.
(2016)Modelling and characterization of the Power Line Communication (PLC) channel is an active research area. The research mainly focuses on ways of fully exploiting the existing and massive power line network for communications. ... -
Development of a model helicopter based flight test platform for multivariable feedback control.
(2009)The dissertation describes the development of a model helicopter based flight test platform for implementing autonomous six degree of freedom flight by a multiple input multiple output automatic control system. The focus ... -
Research and design of an embedded controller and GUI for the automation of the armature Volt-Drop test.
(2009)In a rapidly evolving technological and industrialised society, automation is a current and growing trend. The concept is typically applied to uneconomical processes and extends from the automation of highly complex ... -
Primary user emulation attack mitigation in cognitive radio networks.
(2014)The rapid progress in the number of users and applications in wireless communication have led to the problem of growing spectrum scarcity in recent years. This imminent spectrum scarcity problem is in part due to a rapidly ... -
Signal space diversity with and without Alamouti transmit diversity using generalised selection combining.
(2015-10-27)The first contribution is based on M-ary quadrature amplitude modulation (M-QAM) constellations with signal space diversity (SSD) using a single transmit and receive antenna system in the presence of Rayleigh fading. Two ... -
Power line communication (PLC) channel measurements and characterization.
(2014)The potential of the power line to transport both power and communication signals simultaneously has been realized and practiced for over a century, dating back to the 1900’s. Since the key aspect of power line communications ... -
A DSP-enhanced AC susceptometer for characterisation of high temperature superconductors.
(2014)DSP-based susceptometer was designed and implemented to study granular HTS Y1Ba2Cu3O7-x (YBCO) superconducting specimens. The AC susceptometer is made up of a primary coil driven by an AC signal and two sensing coils: a ... -
Hierarchical modulation with signal space and transmit diversity in Nakagami-m fading channel.
(2013)Hierarchical modulation (HM) is a promising scheme for wireless image and video transmission, exploiting the benefits of unequal error protection to ensure enhanced system performance. However, there is a limiting factor ... -
Hybrid media streaming architecture, focussing on quantification of scalability of media streaming architectures, including streaming protocal evaluation.
(2014-11-10)An analysis of media streaming architectures is performed in this dissertation drawing focus to the advantages and disadvantages of the various architectures. Detailed examination is given to scalability of decentralized ... -
Clear-air analytical and empirical K-Factor determination and characterization for terrestrial microwave LOS link applications.
(2014-10-30)The transmission media, that is, the atmosphere, through which terrestrial and satellite signals traverse, is irregular. Thus, one requires proper knowledge on how variations in atmospheric refractive conditions will affect ... -
Power line communication channel modelling.
(2014-10-08)
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