Browsing Masters Degrees (Electronic Engineering) by Title
Now showing items 61-80 of 106
-
Obstacle avoidance and trajectory optimisation for a power line inspection robot.
(2012)This dissertation presents the research, development and application of trajectory creation, obstacle avoidance and trajectory optimisation methods for an existing serial manipulator power line inspection robot (PLIR). The ... -
Opportunistic scheduling algorithms in downlink centralized wireless networks.
(2005)As wireless spectrum efficiency is becoming increasingly important with the growing demands for wideband wireless service scheduling algorithm plays an important role in the design of advanced wireless networks. Opportunistic ... -
A packet radio system for an industrial data network.
(1992)This project was undertaken for a commercial electronics company, CONTROL LOGIC (CONLOG) which is involved in the research, design, development and manufacture of data acquisition, control, energy management and automotive ... -
Packet scheduling in satellite HSDPA networks.
(2010)The continuous growth in wireless networks is not showing any sign of slowing down as new services, new technologies and new mobile users continue to emerge. Satellite networks are expected to complement the terrestrial ... -
Parallel implementation of fractal image compression
(2000)Fractal image compression exploits the piecewise self-similarity present in real images as a form of information redundancy that can be eliminated to achieve compression. This theory based on Partitioned Iterated Function ... -
Performance analysis and enhancement schemes for spatial modulation.
(2010)Multiple-input multiple-output (MIMO) technology has emerged as a popular technique for enhancing the reliability and capacity of wireless communication systems. In this dissertation, we analyze the spatial modulation (SM) ... -
Performance analysis of cooperative diversity in land mobile satellite systems.
(2013)Land Mobile Satellite Systems (LMSS) generally differ from other terrestrial wireless systems. The LMSS exhibit unique characteristics with regard to the physical layer, interference scenarios, channel impairements, ... -
Performance analysis of LAN, WAN and WLAN in Eritrea.
(2006)The dissertation addresses the communication issues of interconnecting the different government sectors LANs, and access to the global Internet. Network capacities are being purposely overengineered in today's commercial ... -
Performance of high rate space-time trellis coded modulation in fading channels.
(2005)Future wireless communication systems promise to offer a variety of multimedia services which require reliable transmission at high data rates over wireless links. Multiple input multiple output (MIMO) systems have received ... -
Performance of the transmission control protocol (TCP) over wireless with quality of service.
(2001)The Transmission Control Protocol (TCP) is the most widely used transport protocol in the Internet. TCP is a reliable transport protocol that is tuned to perform well in wired networks where packet losses are mainly due ... -
Performance of turbo-coded DS-CDMA systems in fading and burst channels.
(2001)Turbo codes are a class of forward error correction (FEC) codes that offer energy efficiencies close to the limits predicted by information theory. The features of turbo codes include parallel code concatenation, recursive ... -
Physical layer forward error correcetion in DVB-S2 networks.
(2012)The rapid growth of wireless systems has shown little sign of ceasing, due to increased consumer demand for reliable interactive services. A key component of the development has centered on satellite networks, which ... -
PLC implementation of online, PRBS-based tests for mechanical system parameter estimation.
(2009)This thesis investigates the use of correlation techniques to perform system identification tests, with the objective of developing online test methods to perform mechanical parameter extraction as well as machine diagnostics. ... -
Power and performance trade-off in DS-CDMA receivers based on adaptive LMS-MMSE multi-user detector.
(2003)Third generation cellular communication systems based on CDMA techniques have shown great scope for improvement in system capacity. Over the last decade, there has been significant interest in DS-CDMA detectors. The ... -
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 ... -
Power line communication channel modelling.
(2014-10-08) -
Power line telecommunications option in rural KwaZulu- Natal.
(2005)Power Line Communications (PLC) is a recent and rapidly evolving technology, aiming at the utilization of the electricity power lines for the transmission of data. PLC technology opens up new opportunities for the ... -
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 ... -
Quality of service for voice over next generation networks.
(2004)The Global communications transformation is currently in progress. Packet switched technology has moved from data - only applications into the heart of the network to take up the functions of traditional circuit - switched ... -
Quantifying steganographic embedding capacity in DCT-based embedding schemes.
(2012)Digital image steganography has been made relevant by the rapid increase in media sharing over the Internet and has thus experienced a renaissance. This dissertation starts with a discussion of the role of modern digital ...
