Research Papers/Topics in Electrical Electronics Engineering

A comparison of Different Peak to Average Power Ratio Reduction Techniques in Long Term Evaluation Downlink

The main drawback of Orthogonal Frequency Division Multiplexing (OFDM) systems is the high peak-to-average power ratio (PAPR), which leads to a significant reduction in power efficiency. In this research discusses different PAPR Reduction techniques in OFDM. Techniques like clipping, Selective Mapping (SLM), Partial Transmit Sequence (PTS) based different modulation and different channel. Clipping technique is simple, SLM reduction technique; generation of phase sequence is very random...

Design of Borders Surveillance System Using Radar and Camera

It is very important to protect country's borders from intruders who carry out illegal activities such as terror attacks or smuggling of people or their properties. Borders should be monitored to avoid the above-mentioned risks by using border surveillance system which consists of ground surveillance radar and camera to achieve this mission. To perform the monitoring, signals are sent from radar to the microcontroller, according to target location, in order to move the camera to capture...

Performance Analysis of IPSEC over Internet Protocol version 6 Networks

IPv6 is the next generation in internet protocol. It is developed by the Internet Engineering Task Force (IETF) to provide better performance and also to provide new services in comparison to IPv4. It is intended to serve for sufficient IP address space to meet the present Internet growth. Security attacks have been common across the Internet, therefore in order to protect IPv6 networks from security attacks; IPSec has made an inbuilt component of IPv6 to ensure the integrity, authentic...

Real-Time Data Logging While Drilling Through Mud Pulse Telemetry

ABSTRACT This study investigated the influence of mud channel characteristics on real-time data logging while drilling. Drill string bore filled with flowing mud as the data transmission medium in mud pulse telemetry can have significant changes in its properties as a result of mud type (waterbased mud or oil-based mud) which selection depends on the formation being drilled and depth penetrated. Logging data are transmitted to the surface modulated onto pressure pulses which amplitudes are g...

Target Detection And Reduction Of Interrupting Signals In Coherent MIMO Radar

ABSTRACT In Multiple Input Multiple Output (MIMO) Radar every antenna element transmits different waveforms, these waveform diversity enhanced MIMO Radar system dramatically. Coherent MIMO radar array elements are close enough so that every element sees the same target radar cross section (RCS). The target response is mainly interrupted by the unwanted signals (Noise, Clutter, and Jamming) associated with receiving signal that degrades Probability of detection as well as performance of MIMO r...

Cloud Computing: A Case Study of Software Implementation as a Service for Sudanese Health Organizations

Abstract The development of technology has a good impact on all sciences including medicine. The use of modern technology in medicine reduces the incidence of serious medical errors; some diseases need to follow their symptoms for a long time to be discovered. There is a problem in tracking symptoms for patients at each time visiting the hospital where data cannot be saved and retrieved when needed. By using the cloud computing technology, all hospitals can be linked by the Software-as-a-Ser...

Potential Of Sour Plum (Ximenia Americana L.) Seed Oil As A Biofuel

ABSTRACT Energy systems based on fossil oil products have witnessed increased demand all over the world with prices reaching new peaks, and continue to further weaken African economies. Potential biofuel oil sources, production and their optimization in standard to fossil equivalent should be sought. Sour plum (Ximenia americana L.) seed oil as one potential biofuel was extracted from plant seeds using screw press then tests were carried out to evaluate its properties as substitute for kerose...

Interference management in optical attocells networks by using fractional frequency reuse

Light fidelity (Li-Fi) is new technology using lights (LEDs) as transceiver to send and receive data. However, when Light fidelity access points (attocells) placing near to each other in the network, they interfere each other with phenomena called co-channel interference which decreasing quality of the signal. In this thesis, fractional frequency reuse introduced as solution to solve this problem. MATLAB simulator showing the impact of fractional frequency reuse to solve problem.

Improving Database Availability Through Fault Monitoring And Early Detection

ABSTRACT Data storage and retrieval are at the centre of today’s applications. Currently, no organization can effectively carry on its activities without one form of database or the other. Indeed, one of the key challenges of information technology organizations is how to ensure quality and reliable database administration. Consequently, if the database and the server that support the applications are unavailable it could lead to considerable costs in terms of efficiency, loss of revenue a...

Proposal Of Nonlinear Deadbeat Control For Boost Converter And The Experimental Verification

Abstract This thesis discusses the proposal of nonlinear deadbeat control for continuous conduction mode (CCM) boost converter and the experimental verification. First, the nonlinear state equation is derived, and second a nonlinear current reference deadbeat control is proposed. Third, a new nonlinear controller to implement the load disturbance compensation is proposed. Then the simulations using PSIM software and verifications by experiments, it is confirmed that under the conditions of a...

Input Power Factor Problem And Correction For Industrial Drives

ABSTRACT The Asymmetrical Single - phase drive has an input power factor problem over its control range. With the race towards industrialisation, power networks in developing economies would face increasing power factor problems with extended application of these drives in industrial and traction systems. This project investigates the assertion that power factor of supply networks with multiple drives deteriorates with increased number of drives. The power factor problem is established analy...

An Improved Gaussian Filter Technique For Biomedical Image Processing: An Early Lung Cancer Detection Technique

ABSTRACT For accurate and high rate of lung cancer detection using image processing, an effective preprocessing technique is required. A quality preprocessing technique is necessary to ensure effective removal of noise that interferes with the features of the image and hence improves lung cancer detection rate and accuracy. In this research, an Improved Gaussian Filter (IGF) technique was developed for effective lung image preprocessing. For image segmentation, Otsu thresholding method was us...

Optimal Power Flow Solution To Voltage Collapse In A Deregulated Electricity Market

ABSTRACT The thesis addresses the fundamental means of overcoming the challenge posed by voltage collapse to the success of electricity market unbundling. As regards the record available from the recent deregulation and unbundling of the Generation and Distribution segment of the electric power system, it has become evidently necessary to investigate the best and optimal operating conditions under which the transmission system is expected to perform with respect to the high level of transact...

An Algorithm For Mobile Location Estimation In A 3g Network

ABSTRACT Locating the position of a mobile user with a high degree of accuracy is a trending research interest. It holds the key to a breakthrough in many service challenges faced by operators in the wireless communication industry. With a success in this field, it will be possible for call rates in mobile phones to be charged based on the location a subscriber is calling from; fighting crimes and delivering emergency services through the mobile network’s ability to detect the caller’s po...

Development Of Software For Life Cycle Cost Analysis Of Solar Photovoltaic And Diesel Generator Systems In Nigeria

ABSTRACT In making a choice of solar Photovoltaic or diesel generator system as an alternative for power generation, life cycle costs (LCC) analysis are considered to be potentially important to such a decision. It incorporates all costs arising from owning, operating, maintaining and ultimately disposing of a project. In this study, a software computer program is developed to determine life cycle cost of solar Photovoltaic and diesel generator systems in Nigeria. The software is developed th...


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