PLoS ONE,
Journal Year:
2023,
Volume and Issue:
18(11), P. e0294411 - e0294411
Published: Nov. 15, 2023
A
heterogeneous
network
(HetNet),
combining
different
technologies,
is
considered
a
promising
solution
adopted
by
several
upcoming
generations
of
mobile
networks
to
keep
up
with
the
rapid
development
users'
requirements
while
improving
performance.
In
this
scenario,
vertical
handover
(VHO)
algorithm
responsible
for
ensuring
continuity
ongoing
user
connection
moving
within
coverage
HetNet.
Although
various
VHO
algorithms
were
proposed,
achieving
efficient
performance
from
both
and
perspectives
remains
challenging.
This
paper
proposes
an
adaptive
optimized
based
on
multi-attribute
decision-making
(MADM)
integrated
particle
swarm
optimization
gravitational
search
(PSOGSA)
as
framework
implement
process.
The
includes
three
main
ideas.
Firstly,
selection
proposed
considering
most
important
criteria,
including
signal
strength
other
networks'
attributes,
along
characteristics
regarding
their
mobility
service
preferences.
Secondly,
two
new
parameters
are
introduced
control
named
load
factor
(LF)
score
priority
(SP)
reduce
unnecessary
handovers
overall
HetNet
power
consumption
balanced
distribution.
Lastly,
desired
aims
formulated
objective
function,
then
PSOGSA
used
reach
optimal
values
LF
SP,
which
will
be
when
executing
algorithm.
presented
simulated
in
wireless
where
fifth-generation
(5G)
technology
coexists
radio
access
improve
evaluation
field
Also,
algorithm's
evaluated
case
using
MADM
algorithms.
simulation
results
show
that
approach
attains
decreasing
more
than
40%
much
better
distribution
around
20%
40%,
outperforming
traditional
approaches.
Electronics,
Journal Year:
2024,
Volume and Issue:
13(4), P. 789 - 789
Published: Feb. 17, 2024
The
growth
of
Internet
Things
(IoT)
systems
is
driven
by
their
potential
to
improve
efficiency,
enhance
decision-making,
and
create
new
business
opportunities
across
various
domains.
In
this
paper,
the
main
selection
problems
in
IoT-type
systems,
criteria
used
multi-criteria
evaluation,
methods
for
solving
IoT
are
identified.
Then,
a
Hybrid
Group
Multi-Criteria
Approach
proposed.
approach
contains
Best
Worst
Method
(BWM)
weighting
method,
Simple
Additive
Weighting
(SAW),
Technique
Order
Preference
Similarity
an
Ideal
Solution
(TOPSIS),
VIseKriterijumska
Optimizacija
I
Kompromisno
Resenje
(VIKOR),
Complex
Proportional
Assessment
(COPRAS),
method
that
combines
solutions
obtained
using
four
considered
obtain
single
solution.
SAW,
TOPSIS,
VIKOR,
COPRAS
were
analyzed
relation
advantages,
disadvantages,
inputs,
outputs,
measurement
scale,
type
normalization,
aggregation
parameters,
complexity
implementation,
interactivity.
An
application
platform
comparison
between
solution
proposed
realized.
A
Spearman
correlation
analysis
presented.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
21, P. 101918 - 101918
Published: Feb. 21, 2024
As
radio
access
technologies,
processing
speeds,
and
multimode
interfaces
of
low-powered
portable
devices
continue
to
advance,
the
future
wireless
communication
is
envisioned
offer
pervasive
network
coverage,
high
data
rates,
a
wide
spectrum
services
while
maintaining
mobility.
High
range
services,
huge
connectivity,
capacity,
good
geographic
coverage
are
being
provided
by
ultra-dense
deployment
small
base
stations
(BSs)
in
heterogeneous
networks
(HWN).
But
dense
BSs,
mobility,
heterogeneity,
imbalanced
traffic,
dynamic
user
preferences
lead
frequent
handover.
Network
overhead,
excessive
energy
consumption,
decrease
service
quality
satisfaction
can
be
due
So,
handover
management
one
crucial
challenges
implementation
5G
beyond
HWNs
for
ensuring
seamless
efficiency,
required
experiences.
The
effectiveness
decisions
relies
on
suitable
selection
mechanism.
Multi-attribute
decision-making
(MADM)
used
model
analyze
appropriate
complexities
considering
broad
intricate
conflicting
decision
criteria
efficient
HWN.
This
article
extensively
explores,
compares,
analyzes
vital
MADM
techniques
utilized
modeling
strategies
terms
algorithmic
strategies,
cardinality,
types
significance
attributes,
utilities.
also
examines,
analyzes,
recognizes
recent
mobility
trends
utilizing
tackle
issues
high-speed
HWNs.
Internet of Things,
Journal Year:
2024,
Volume and Issue:
25, P. 101119 - 101119
Published: Feb. 13, 2024
The
rapid
expansion
of
mobile
broadband
networks
and
the
proliferation
Internet
Things
(IoT)
applications
have
substantially
increased
data
transmission
processing
demands.
However,
application
domains
IoT-enabled
models
often
face
resource
limitations,
requiring
responses,
low
latency,
large
bandwidth,
surpassing
their
inherent
capabilities.
To
address
these
challenges,
we
propose
a
fishnet
approach-based
packet
scheduling
allocation
system,
termed
Fishnet-6G,
to
optimize
network
in
proposed
6G
networks.
Initially,
constructed
Sierpinski
Triangle-based
IoT
environment,
enhancing
device
connectivity.
We
utilize
Quantum
Density
Peak
Clustering
(QDPC)
algorithm
perform
clustering
for
devices,
establishing
Cluster
Head
(CH)
Substitute
CH
(SUB
CH)
based
on
actual
metrics.
Furthermore,
traffic
prediction
is
achieved
through
two
processes,
grouping,
fair
queue
status,
using
Improved
Deep
Deterministic
Policy
Gradient
(IMPDDPG)
with
variable
sampling
rate,
resulting
well-organized
scheduling.
Subsequently,
optimal
by
employing
Willow
Catkin
Optimization
(WCO)
algorithm,
scheduled
packets
are
managed
within
Fishing
Net
Topology
reduce
energy
consumption
system
complexity.
Finally,
allocate
desired
blocks
Bayesian
Game-Theoretic
Approach
(BGTA).
approach
implemented
Network
Simulator-3.26,
performance
Fishnet-6G
model
evaluated
time,
efficiency,
average
throughput,
Packet
loss
rate.
Numerical
analysis
demonstrates
that
outperforms
existing
approaches
across
metrics,
showcasing
its
effectiveness
addressing
challenges
Sustainable Environment Research,
Journal Year:
2024,
Volume and Issue:
34(1)
Published: April 5, 2024
Abstract
Climate
change,
global
warming,
greenhouse
gas
emissions,
and
many
other
reasons
have
motivated
countries
worldwide
to
change
energy
systems
move
toward
low-carbon
systems;
however,
the
transition
has
faced
challenges
that
motivate
present
study
identify
evaluate
performance
of
EU
according
challenges.
To
this
end,
seventeen
were
identified
through
a
systematic
literature
review
classified
into
five
groups:
economic,
institutional,
technical,
social,
environmental.
Subsequently,
fifty-three
indicators
selected
measure
in
dealing
with
Furthermore,
Fermatean
“Stepwise
Weight
Assessment
Ratio
Analysis”
method
was
applied
determine
subjective
weight
challenges,
while
based
on
removal
effects
criteria
objective
indicators.
Afterward,
“Technique
for
Order
Preference
by
Similarity
Ideal
Solution”
2015
2020.
The
results
indicated
justice,
mitigation
costs,
land
use,
lack
infrastructure
are
most
significant
environmental,
technical
Also,
Netherlands
had
best
2015,
followed
Germany;
contrast,
Germany
improved
its
system
took
first
place
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(12), P. e22353 - e22353
Published: Dec. 1, 2023
In
the
context
of
thriving
real
estate
market
in
developing
countries
like
Vietnam,
understanding
consumer
preferences
and
effectively
addressing
them
through
a
comprehensive
multi-criteria
decision-making
(MCDM)
framework
is
paramount
for
providers.
This
study
presents
two-stage
MCDM
model
that
integrates
Delphi
technique
Technique
Order
Preference
by
Similarity
to
Ideal
Solution
(TOPSIS)
based
on
Spherical
Fuzzy
Sets
(SFSs).
Initially,
SF-Delphi
validates
critical
criteria
influencing
customers'
apartment
selection
Vietnam.
Secondly,
SF-TOPSIS
method
evaluates
top
ten
To
ensure
robustness
validity,
comparative
analysis
compares
results
with
those
from
Intuitionistic
TOPSIS
(IF-TOPSIS)
(F-TOPSIS)
methods.
Subsequently,
five
rank
correlation
coefficients
(Spearman,
Kendall,
Goodman-Kruskal,
Weighted
measure
correlation,
Similarity)
are
used
assess
relationships
between
various
techniques
applied
suppliers
The
demonstrate
strong
agreement
among
methods,
smallest
coefficient
being
0.7778,
surpassing
threshold
0.7.
high
level
consistency
confirms
efficacy
proposed
approach
different
reliably
evaluating
suppliers.
Notably,
legal
aspect's
prominence
underscores
its
role
shaping
customer
choices,
emphasizing
significance
considering
factors
supply
demand
Furthermore,
using
SFSs
makes
this
particularly
suited
capture
perceptions
within
dynamic
uncertain
business
environment
characterized
volatility,
uncertainty,
complexity,
ambiguity
(VUCA).