Abstract
With the advancement in technology, the millimeter-wave mobile communication for 5G has become very popular. There is a rapid growth of millimeter-wave band antennas for use in different applications. At higher frequency, an emerging substrate integrated waveguide (SIW) technology is very promising. SIW is a transition between microstrip and dielectric-filled waveguide. With the help of vias, we can convert the dielectric-filled waveguide to substrate integrated waveguide. This paper aims to provide an overview of different slotted SIW based antenna and arrays at single-band and dual-band frequency of 28 and 38 GHz. At mm-wave slotted SIW antenna is an excellent candidate as there is no dielectric loss. Various antenna designs considered with examples include slot array antenna, empty SIW antenna, and cavity-backed antenna are discussed and presented with their performance enhancement methods, including size reduction, bandwidth improvement, high gain, and sharp radiation pattern.
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