ABSTRACT The internet has become a key resource at Midlands State University for research and communication. The institution is also experiencing high students‟ population which in turn has led to more demand for bandwidth. The high students‟ population makes the overall available bandwidth shrink leading to slow internet connection making internet an ineffective academic resource. The institution has been responding to slow internet connection by buying more bandwidth which is so unecono...
ABSTRACT Monitoring is very important in Industrial Automation to bring out reliability and accuracy thus the use of a SCADA system. SCADA is an acronym for “Supervisory Control and Data Acquisition.” This systems are widely used in industry for supervisory control and data acquisition of industrial processes. A Android-enabled mobile phone can be used as a client in a SCADA application in order to display and supervise an industrial refrigeration system. The project presents an actual im...
ABSTRACT The study was aimed at assessing the impact of network outage on the Value Added Services (VAS) particularly Mobile-Pesa (M-Pesa) among other (VAS) offered by Vodacom network operator in Tanzania. The study was conducted in Ilala municipal in Dar es Salaam Tanzania. The basic parameters used to assess the network availability were Mean Time To Repair (MTTR), Call Setup Success Rate (CSSR) and Total User Outage Time (TUOT). The parameters like the time to get response from the operat...
ABSTRACT Tanzania has been among the earliest countries in Africa to employ Digital Video Broadcast-Terrestrial (DVB-T) System. The deadline for Analogue Switch Off (ASO) was set to be in 2015, but Tanzania decided to have phased switch off since 2010. DVB-T is a new system in Tanzania and hence the extent of quality of the signal needs to be established. This research compares the reception of DVB-T second generation spatial signal strength as offered by Star Media Limited, Agape Associate...
ABSTRACT Road transport takes about 70% of the transportation systems in Tanzania. With the increasing number of vehicles and urbanization, the number of road accidents has been rising now and then leading to an increase in the number of casualties and deaths. Efforts must be made to make sure that the number of road accidents is reduced. Wireless technologies have come as a solution to such road safety and transport efficiency issues. Recently, the promise of wireless technologies to suppor...
ABSTRACT LTE-Advanced is the winning technology approved by International Telecommunications Union (ITU) as a 4G mobile communication system. It is an evolution of LTE and backward compatible with LTE because they both use the same air-interface technologies such as OFDMA and MIMO. To meet the challenge of growing bandwidth demand by indoor users, femtocell is the technology suggested in LTE-Advanced. Users have the capability of expanding their capacity by buying and self installing these m...
ABSTRACT The study aimed at investigating and proposing the effective measures of using Central Equipment Identity Register to mitigate mobile phone theft over Airtel network operator as a case study in Tanzania. The study was conducted in Mbeya municipal. The study employed purposive sampling technique. Ninety respondents were involved where, eighty seven Airtel customers were selected randomly who live in Mbeya municipal and three key informants from Airtel (two site engineers and one netw...
ABSTRACT Broadband Power-Line Communication (BPLC) is a technology which has drawn attention to researchers in the field of digital communication. Using this technology there is no need of new installation which is advantageous compared to other technologies. However, due to noises and multipath fading in BPLC systems, studies on coding techniques and suitable modulation schemes are unavoidable. Studies by other researchers have shown that multicarrier modulation techniques perform better tha...
ABSTRACT Analysis on spectral distribution of beat to beat (RR intervals) in Electrocardiography (ECG) signal became an important tool in biomedical signal processing for studying heart rate variability (HRV). Heart signals allow for a comprehensive analysis of the heart. Electrocardiography uses electrodes to measure the electrical activity of the heart. Extracting ECG signals is a non invasive process that opens the door to new possibilities for the application of advanced signals processin...
ABSTRACT Free space optical communication (FSO) is receiving a lot of attention as an alternative last mile wireless communication system. This is because of its high data rate, large bandwidth and easy installation than the traditional radio frequency (RF) and fiber optic communication systems. However the medium through which the signal travels is the atmosphere. This medium is affected by the prevailing weather conditions. FSO is prone to hash atmospheric conditions such as wind, temperat...
ABSTRACT Recently, the advancement of technology and internet contributes to the increase of the network traffic over the globe. It improves digital services delivery over the global network such as online shopping, television, and streaming. However, as digital services become one of the de facto applications over the internet, a number of attacks on them have been increasing which raise security concerns. Some of the major attacks are Distributed Denial of Service (DDoS) and Flash Events (F...
ABSTRACT There has been a proliferation of base station towers in recent years due to an expansion of mobile telephone networks. This has been accompanied by an increase in the level of community concern about possible health effects from the radio frequency (RF) radiation emissions from antennae mounted on the base station towers. The researcher aimed at measuring RF electromagnetic energy (EME) levels and compare with the maximum permitted limit for general public exposure given by Interna...
ABSTRACT Powerline communication (PLC) is a promising technique for information transmission using existing power lines. Broadband over power lines is the way of providing internet services to customers using high frequency signals integrated in the power wiring. The internet signals are modulated and coupled into the overhead power lines. The signals are decoupled at the consumer’s premises. BPL can be a solution for people living in any rural area where there is electricity, since the co...
ABSTRACT Vehicular Ad-hoc Network (VANET) is a subclass of Mobile Ad-hoc Network where by vehicles on the road network are able to exchange data. Many automobile manufacturers make vehicles which are pre-equipped with devices such as Geographical Position System (GPS), Radar and Lidar, Bluetooth, Onboard LTE module. Therefore, in the future, Selfdriving cars will be available in many countries and voice communication between vehicles will present many services ranging from safety to non-safe...
ABSTRACT Indoor broadband power-line communication (BPLC) networks with different number of branches, different terminal load impedance, different line length and impulsive noise using OFDM were considered. Earlier investigations have shown that the power-line channel suffers from multipath effects along with impulsive noise. In this dissertation the OFDM system was designed based on Anatory et al model using the impulse responses of typical Tanzania indoor power-line networks. It was observe...