A Proposed model for frequency antennas used in mobile communication systems

Abstract

One of the most essential components of 
wireless communication systems, particularly 
in mobile devices, is the antenna. Covering a 
large range of operating frequencies while 
preserving excellent system performance over 
the whole operating frequency range is one of 
the desired characteristics of antennas. As a 
result, future antenna designs for mobile 
devices would greatly benefit from the ability 
to adjust the antenna's resonance frequency 
without changing its physical size. This study 
suggests a model for adjusting the ferrite 
material's electromagnetic characteristics to 
tune the inverted F-antenna's operating 
frequency across a comparatively large 
frequency range. It will be shown in this 
suggested model that the electrical regulation 
of the antenna's ferrite material's permeability 
successfully results in a notable change in its 
resonance frequency and, therefore, an 
increase in the electromagnetic system's 
overall performance.