Interest is rising in improving efficiency and productivity by increasing the received signal
power, which is driven by the proliferation of wireless local area networks and the increasing …

Microstrip patch antennas are a very popular type of antenna due to their light weight, small
size, and low manufacturing cost. However, they suffer from many disadvantages, such as …

In this paper, a tuneable rectangular microstrip patch antenna (MPA) is simulated and
optimized to operate in four frequency bands of the next generation of wireless communication …

Microstrip patch antennas (MPAs) are known largely for their versatility in terms of feasible
geometries, making them applicable in many distinct circumstances. In this paper, a graphene-…

Orbital Angular Momentum (OAM) is an attractive feature of electromagnetic waves that
gains great research attention in several areas in radio and optics. This paper describes a …

This thesis reports the methods, the deployment strategies and the resulting system
performance improvement of in-building environmental modification. With the increasing use of …

The 60 GHz band has been selected for short-range communication systems to meet
consumers’ needs for high data rates. However, this frequency is attenuated by obstacles. This …

Orbital Angular Momentum (OAM) is an intrinsic feature of electromagnetic waves which has
recently found many applications in several areas in radio and optics. In this paper, we use …

With the increasing use of mobile computing devices such as PDAs, laptops, and the
expansion of wireless local area networks (WLAN), there is growing interest in increasing …

This paper describes a theoretical characterization of a Transverse Electric (TE)-polarized
vortex beam antenna in the microwave range. The main body of the antenna consists of a …