This
article
introduces
an
advanced
Ultra-Wideband
(UWB)
Multiple-Input
Multiple-Output
(MIMO)
antenna
characterized
by
its
wide
impedance
bandwidth
ranging
from
24
GHz
to
42.5
GHz.
Designed
with
two
rectangular
microstrip
elements,
the
is
built
on
a
Rogers
RT/Duroid
5880
dielectric
substrate,
precisely
measuring
$31
\times
11
0.8$
mm$^{3}$.
Utilizing
insect-feed
feeding
strategy,
this
design
particularly
suited
for
bandwidth,
making
it
ideal
mm-Wave
5G
communication
technologies.
simulations
have
shown
that
maintains
mutual
coupling
between
ports
lower
than
-21.2
dB,
key
indicator
of
effective
performance
in
MIMO
system.
The
antenna's
features
include
Envelope
Correlation
Coefficient
(ECC)
less
0.004,
diversity
gain
up
9.99
and
high
efficiency
rate
93%
across
entire
operational
band.
Furthermore,
exhibits
omnidirectional
radiation
patterns
maximum
5.56
dBi
stable
total
active
reflection
coefficient
(TARC)
attributes,
enhancing
applicability
modern
environments.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
23, P. 102712 - 102712
Published: Aug. 10, 2024
Multiple-input
multiple-output
(MIMO)
technology
has
become
a
key
enabler
for
5G
smartphones,
significantly
enhancing
data
throughput
and
connectivity.
By
incorporating
multiple
antennas
into
the
compact
design
of
modern
MIMO
improves
spectral
efficiency
network
capacity.
This
comprehensive
review
examines
fundamental
characteristics
designed
smartphones.
The
study
explores
various
mutual
coupling
techniques
used
to
mitigate
interference
between
closely
spaced
antennas,
thereby
system
performance.
A
comparative
analysis
different
antenna
configurations
is
presented,
highlighting
their
respective
advantages
limitations
in
applications.
Additionally,
includes
specific
absorption
rate
(SAR)
ensure
user
safety
by
adhering
regulatory
standards
addressing
health
concerns
associated
with
prolonged
exposure
electromagnetic
fields.
Finally,
paper
outlines
future
directions
research,
emphasizing
need
innovative
strategies
accommodate
evolving
landscape
wireless
communication.
Sensors,
Journal Year:
2025,
Volume and Issue:
25(4), P. 1036 - 1036
Published: Feb. 9, 2025
This
research
presents
a
high-performance
design
for
multiple-input
multiple-output
(MIMO)
antenna
intended
operation
within
the
28
GHz
band.
The
four-port
MIMO
configuration,
featuring
1
×
8
series-fed
arrays
each
port,
has
demonstrated
peak
gains
of
15.5
dBi
and
bandwidths
2
GHz.
improved
performance
results
from
carefully
optimized
spacing
decoupling
approach
involving
well-designed
metamaterial
cells,
effectively
minimizing
interference
between
elements.
system
exhibits
remarkably
low
mutual
coupling,
measuring
below
−40
dB,
with
envelope
correlation
coefficients
0.00010,
diversity
nearing
10
channel
loss
capacity
0.11
bit/s/Hz
across
frequency
spectrum
under
investigation.
Experimental
evaluations
have
confirmed
these
improvements,
establishing
proposed
as
robust
candidate
suitable
wide
range
millimeter-wave
communication
systems.
Journal of Integrated Science and Technology,
Journal Year:
2024,
Volume and Issue:
12(3)
Published: Jan. 3, 2024
The
research
presents
a
new
type
of
antenna
that
makes
use
MIMO
technology,
which
employs
multiple
antennas
for
signal
transmission
and
reception.
This
also
features
defective
ground
structure,
patterned
plane
is
frequently
utilized
to
boost
an
antenna's
performance.
Adding
or
altering
the
patterns
can
enhance
In
order
improve
performance,
variety
designs,
including
rectangular
asymmetrical
shapes,
are
being
investigated,
indicating
flexible
method
design
optimization.
following
apply
proposed
antenna:
60
x
mm2
in
size,
two
ports
present.
Operating
Band:
1-6
GHz,
Gain:
6.40
dBi,
Return
Loss
(RL):
-30.06
dB.
made
work
GHz
frequency
band,
includes
large
wireless
communication
frequencies.
It
specifically
indicates
appropriateness
WLAN
frequencies
such
as
1.2
2.4
5.2
5.98
used
IoT
applications.
A
single
radiating
element
with
slits
enhanced
patches
design.
support
sub-6
bands
result,
making
it
appropriate
applications
these
this
research,
DGS
shown.
has
good
performance
characteristics,
broad
operating
band
applicability
different
bands.
might
be
useful
systems
needing
multiport
capabilities
increased
URN:NBN:sciencein.jist.2024.v12.768
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(6), P. 2507 - 2507
Published: March 15, 2024
This
study
pioneers
the
enhancement
of
5G
antenna
manufacturing
efficiency
and
reliability
by
integrating
blockchain
smart
contract
technologies,
supported
an
in-depth
Analytic
Hierarchy
Process
(AHP)
analysis.
At
heart
our
innovation
lies
blockchain-based
SER-M
(B-SER-M)
model,
which
delineates
‘Subject’,
‘Environment’,
‘Resources’
as
crucial
factors
in
process.
Our
refined
AHP
analysis
reveals
‘Subject’
paramount
factor,
with
a
pivotal
influence
weight
0.465,
underscoring
its
significance
elevating
production
reliability.
The
integration
technology
facilitates
impeccable
record-keeping
tracking
at
each
stage,
thereby
bolstering
data
integrity
enhancing
traceability.
Furthermore,
incorporation
contracts
streamlines
operations
automating
processes,
enabling
rapid
identification
resolution
issues.
These
technological
advancements
not
only
significantly
elevate
but
also
markedly
improve
quality
control
across
production.
enhanced
results
demonstrate
formidable
potential
cutting-edge
technologies
manufacturing,
presenting
solid
model
for
sustaining
industry
competitiveness
increasingly
digital
interconnected
realm.
contributions
lay
groundwork
transformative
practices,
setting
new
benchmark
IEEE Access,
Journal Year:
2024,
Volume and Issue:
12, P. 57895 - 57916
Published: Jan. 1, 2024
This
paper
presents
a
comprehensive
review
of
the
advancements
and
challenges
in
scalable
modular
antenna
arrays
for
5G
Massive
MIMO
(Multiple
Input
Multiple
Output)
networks,
pivotal
technology
next-generation
wireless
communication.
Tracing
evolution
technologies
from
1G
to
4G,
contextualizes
paradigm
shift
brought
by
5G,
characterized
enhanced
spectral
efficiency,
massive
device
connectivity,
higher
frequency
bands.
Focusing
on
MIMO,
explores
its
role
augmenting
network
capacity
signal
quality
via
advanced
techniques
like
beamforming
spatial
multiplexing.
It
delves
into
intricacies
designing
implementing
arrays,
essential
flexibility
optimization
rapidly
evolving
networks.
The
also
covers
mathematical
modeling,
advantages
integration,
performance
under
diverse
conditions,
cost-complexity
balance.
Concluding
with
insights
commercialization
trajectory
integration
modern
telecommunications,
highlights
ongoing
research
directions
future
potential
meeting
ambitious
demands
beyond.
