The demand for low-profile, light-weight, compact and
multi-band antennas has been accelerated in the recent
past due to the astonishing rate at which the wireless
communication scenario has evolved. Nowadays, with the
advancement of wireless communication systems and
their miniaturization, antenna design has become more
significant. The main reason of Microstrip patch antenna
(MPA) to attract wide interest is its inherent
characteristics such as light weight, low profile, low cost,
mechanically robust, and simple to manufacture, easy to
be integrated with MIC/MMIC(microwave integrated
circuit/ monolithic MIC) and others RF devices. The
microstrip antenna has been investigated by several
researchers in the literature. Miniaturization of microstrip
patch antennas is a current topic of interest. In literature,
there are several methods to reduce the size of microstrip
patch antennas.
The CPW feeding has many attractive features, such
as no soldering point, easy fabrication, and a simplified
configuration with a single metallic layer.
The proposed inverted L shaped microstrip antennas
have attracted much attention owing to their advantages
such as simple structure, low profile, high data rate,
easy integration with monolithic microwave integrated
circuits (MMICs), and ease of fabrication.