Abstract
The 5G Technology is being implemented in the
developed countries and its employment in the developing
countries will take time. This technology will support high speed
data rate and require multiple input and multiple output
(MIMO) Patch antenna having a very large bandwidth. The
MIMO antennas are located in the close vicinity of each other
and their mutual coupling degrades the performance of the
antenna. Patch antennas are very popular antennas as they have
been successfully applied in aircraft, space technology, mobile
communication, biomedical and their demand in future wireless
communication is increasing on daily basis. So the bandwidth
expansion and the reduction of the mutual coupling of these
MIMO patch antennas for its implementation in 5G technology
have attracted the attention of the scientists working in the area
of patch antenna and wireless communication systems.
Procedures have been suggested in literature to improve the
bandwidth and reduce the mutual coupling of the MIMO
antennas. In this paper, some old techniques in combination with
a new technique of augmented ground structure (AGS) are
executed to enhance the bandwidth and reduce the mutual
coupling between the two elements of the dual band MIMO
antenna. Two rectangular patch structures with two parasitic
elements are placed side by side.In order to investigate the
performance of this MIMO antenna, 1.64 mm thick substrate of
Preperm L450and a defected ground structure are used. The
dielectric constant of this substrate is 4.5. The substrate of the
MIMO antenna is 40mm long and 50mm wide. This dual band
MIMO antenna has a large bandwidth of 18GHz in Band-1and a
large bandwidth of 13GHz in Band-2.The mutual coupling was
retained below the acceptable value of -16dB. The return loss,
SWR with respect to voltage, efficiencies, gain, directivity and
mutual coupling of both the antennas of this MIMO system has
been investigated. It can be efficiently applied in the future 5G
technology of wireless communication system.
Gulzar Ahmad, Amjad Ullah. (2020) Wide Dual Band MIMO Patch Antenna for Future 5G Applications, Journal of Space Technology , Volume 10, Issue 1.
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