The demand for communication bandwidth has sharply increased in recent years as a
result of a dramatic rise in wireless communication systems. As we enter this new era
of wireless networks, traditional methods of spectrum ...
Power Line Communication (PLC) technology has recently attracted considerable
attention due to its utilization of the existing power line network. Power lines are
not suitable for high speed data communication because ...
In order to provide high data rates, band width, reduced error rates, spectral efficiency,
and low latency, a mobile system that is integrated into both non-orthogonal multiple
access (NOMA) and orthogonal frequency ...
The demand from users for high-quality services like video gaming, video conferencing,
and multimedia services increases from year to year. But it requires high bandwidth to
access those services. 5G is one of the promising ...
A visible light communication (VLC) system would be an excellent choice for indoor
downlink access and data transmission and it is often done by intensity modulation
and direct detection (IM/DD), in which the electrical ...
Massive Multiple Input Multiple Output (Massive MIMO) is one of the latest technologies, which has been developed to combat the major problems encountering wireless
communications. Massive MIMO was developed to improve ...
A passive optical network (PON) is a network that depends mostly on passive optical components and it reduces the cost price. Hence in this research, the MDM or Hybrid PDM
and MDM system for the total of four guided modes ...
Ultrasound imaging has a widespread application in industrial and biomedical applications
and in particular, portable/miniaturized ultrasound imaging systems are gaining popularity
in point-of-care diagnostics. However, ...
Power loss and reliability are concern of any power networks. This thesis try to address
these problems by integrating distributed generation in a network. Optimization part is
executed in two steps. ...
Renewable energy plays a significant role in the power generation revolution in line with
the future smart grid focus. one of the most abundant, clean and green energy productions
is the solar energy. Bahir Dar ...
The main goal in the power system is to transmit the power in a more economical way with high
power quality and power factor, having a smaller possibility of system collapse or failure.
Operation of power ...
Stand-alone hybrid power systems has been attracting to supply energy to rural area in all
aspects like, sustainability, reliability, and environmental protection, for communities
living in areas where grid ...
This thesis presents design of fuzzy proportional integral derivative load frequency control
for multi-area power systems using particle swarm optimization. Area-1, area-2, and area-3 comprises Tana Beles, Fincha, and ...
Due to rapid increment of power demand, there is massive growth of interconnection which
has given rise to numerous challenges in the power network.When a given disturbances
are happened at a specific location,it is hard ...
It is evident that Voltage instability and increased power loss on distribution systems are
major challenges due to ever increasing load growth. To overcome these problems several
techniques have been used. Gondar ...
There is a clear challenge to provide reliable cellular mobile service at remote locations where a
reliable power supply is not available. In this regard, most of the time Ethiotelcom lost a million birr
within a short ...
An elevator is system that serves to moves people or good between floors(level) vertically on a buildings. Due to its higher speed and regenerating energy the different
type of elevator drive system like hydraulic elevators ...
Robotics is the branch of rapidly developing technology that studies with the design,
construction, manufacture and application of robots. The Selective Compliance Assembly
Robot Arm is one of the most popular industrial ...
Three phase induction motors have been widely used in many industrial applications.
e.g., on the electrical vehicle for creating traction process. The motor should be able to
track the reference to maintain the good ...
In the early days of aviation, to maintain aircraft pitch to desired pitch angle, it requires
the continuous attention of a pilot because of it adjusted manually. So, as a pilot fly for
many hours of flight, the constant ...