IEEE Transactions on Vehicular Technology,
Год журнала:
2023,
Номер
73(5), С. 6672 - 6686
Опубликована: Дек. 28, 2023
New
Radio
(NR)
Vehicle-to-Everything
(V2X)
based
Vulnerable
Road
User
Protection
(VRUP)
can
effectively
reduce
traffic
accidents,
making
it
a
promising
application
in
intelligent
transport
systems.
However,
considering
the
scarcity
of
radio
resources
and
inefficiency
resource
allocation,
performance
reduction
caused
by
collisions
may
restrict
its
development
V2X
network.
In
this
paper,
we
propose
flexible
allocation
scheme,
namely
Zone
cluster
Resource
Reuse
(ZRR),
to
collision
achieve
better
delivery
NR
VRUP.
We
then
develop
theoretical
framework
on
stochastic
geometry
efficiently
characterize
VRUP
message
process
under
ZRR,
taking
into
account
specified
factors
V2X.
With
help
framework,
are
able
derive
two
important
metrics,
probability
Equipment
(UE)
transmit
power,
further
search
for
optimal
parameter
setting
ZRR.
Extensive
simulation
results
provided
demonstrate
effectiveness
ZRR
framework.
Under
setting,
is
very
desirable
delivery,
especially
resource-constrained
access-intensive
scenario.
Sensors,
Год журнала:
2024,
Номер
24(2), С. 337 - 337
Опубликована: Янв. 5, 2024
Reconfigurable
intelligent
surfaces
(RIS)
are
expected
to
bring
about
a
revolutionary
transformation
in
vehicular
networks,
thus
paving
the
way
for
future
characterized
by
connected
and
automated
vehicles
(CAV).
An
RIS
is
planar
structure
comprising
many
passive
elements
that
can
dynamically
manipulate
electromagnetic
waves
enhance
wireless
communication
reflecting,
refracting,
focusing
signals
programmable
manner.
exhibits
substantial
potential
improving
vehicle-to-everything
(V2X)
through
various
means,
including
coverage
enhancement,
interference
mitigation,
signal
strength,
providing
additional
layers
of
privacy
security.
This
article
presents
comprehensive
survey
explores
emerging
opportunities
arising
from
integration
into
networks.
To
examine
convergence
V2X
communications,
adopted
holistic
approach,
highlighting
benefits
challenges
this
combination.
In
study,
we
examined
several
applications
RIS-aided
communication.
Subsequently,
delve
fundamental
technologies
empower
encompassing
mobile
edge
computing
(MEC),
non-orthogonal
multiple
access
(NOMA),
millimeter-wave
(mmWave),
Artificial
Intelligence
(AI),
visible
light
(VLC).
Finally,
stimulate
further
research
domain,
emphasize
noteworthy
avenues
exploration.
Information,
Год журнала:
2025,
Номер
16(3), С. 202 - 202
Опубликована: Март 5, 2025
The
consensus
algorithm
is
the
core
technology
of
blockchain
systems
to
maintain
data
consistency,
and
its
performance
directly
affects
efficiency
security
whole
system.
Practical
Byzantine
Fault
Tolerance
(PBFT)
plays
a
crucial
role
in
algorithms
by
providing
robust
mechanism
achieve
fault-tolerant
deterministic
distributed
networks.
With
development
5G
network
technology,
features
high
bandwidth,
low
latency,
reliability
provide
new
approach
for
optimization.
To
take
advantage
network,
this
paper
proposes
5G-PBFT,
which
an
improved
practical
with
three
ways
improve
PBFT.
Firstly,
5G-PBFT
constructed
reputation
model
based
on
node
behavior.
dynamically
selected
nodes
value
ensure
selection.
Next,
primary
using
verifiable
random
function,
giving
consideration
randomness
selection
process.
Finally,
we
latency
feature
omit
submission
stage
reduce
communication
complexity
from
ON2
ON,
where
N
denotes
number
nodes.
simulation
results
show
that
achieves
26%
increase
throughput
63.6%
reduction
transaction
compared
PBFT,
demonstrating
significant
improvements.
Journal of Artificial Intelligence and Technology,
Год журнала:
2023,
Номер
unknown
Опубликована: Март 18, 2023
ABSTRACT-
The
rise
of
the
internet
things
(IoT)
and
autonomous
systems
has
made
connecting
vehicles
more
critical.
Connected
can
create
diverse
communication
networks
that
improve
environment
offer
contemporary
applications.
With
advent
5G
networks,
vehicle-to-everything
(V2X)
are
expected
to
be
highly
intelligent,
reside
on
superfast,
reliable,
low-latency
connections.
Network
slicing,
Machine
Learning
(ML),
Deep
(DL)
related
network
automation
optimization
in
V2X
communication.
(ML/DL)
with
slicing
aims
optimize
performance,
reliability
network,
personalized
services,
reduced
costs,
scalability
enhance
overall
driving
experience.
These
advantages
ultimately
lead
a
safer
efficient
transportation
system.
However,
existing
Long-Term
Evolution
(LTE)
enabling
technologies
cannot
meet
such
dynamic
requirements
without
adding
higher
complexity
levels.
learning
algorithms
mitigate
levels,
which
instrumental
vehicular
systems.
This
study
review
based
proposed
taxonomy
describes
enablers
different
configuration
ML
algorithm
used
control
manage
slice.
also
reviews
various
research
works
established
through
enable
use
cases,
focusing
considering
management.
enabler
considered
light
requirements,
particular
configurations,
underlying
methods
algorithms,
some
critical
challenges
possible
solutions
available.
paper
concludes
future
roadmap
by
discussing
open
issues
directions.
Electronics,
Год журнала:
2024,
Номер
13(13), С. 2673 - 2673
Опубликована: Июль 8, 2024
Intelligent
Transportation
Systems
(ITSs)
have
grown
rapidly
to
accommodate
the
increasing
need
for
safer,
more
efficient,
and
environmentally
friendly
transportation
options.
These
systems
cover
a
wide
range
of
applications,
from
control
management
self-driving
vehicles
improve
mobility
while
tackling
urbanization
concerns.
This
research
looks
closely
at
important
infrastructure
parts
vehicle-to-vehicle
(V2V)
communication
systems.
It
focuses
on
different
types
architectures
that
are
out
there,
including
decentralized
mesh
networks,
cloud-integrated
hubs,
edge
computing-based
architectures,
blockchain-enabled
hybrid
cellular
ad-hoc
AI-driven
dynamic
networks.
review
aims
critically
analyze
compare
key
components
these
with
their
contributions
limitations.
Finally,
it
outlines
open
challenges
future
technological
advancements,
encouraging
development
robust
interconnected
V2V
in
ITSs.
Sensors,
Год журнала:
2024,
Номер
24(5), С. 1405 - 1405
Опубликована: Фев. 22, 2024
This
study
presents
a
theoretical
framework
for
defining
the
performance
level
of
wireless
safety
functions
within
industrial
environments.
While
acknowledging
simplifications
inherent
in
our
approach—primarily
based
on
packet
loss
rates
as
measure
system
performance—the
underscores
dynamic
challenges
posed
by
real-world
warehouses.
Through
an
situ
measurement
forklift
truck
system,
we
validate
proposed
method
and
emphasize
need
more
nuanced
examination
communication
complex
settings.
The
advocates
expanded
that
considers
fluctuations
warehouse
dynamics,
accounting
their
impact
and,
consequently,
precision
performance-level
assessments.
Furthermore,
research
highlights
complexity
introduced
characteristics
not
addressed
simplified
model,
urging
future
investigations
to
incorporate
these
factors
comprehensive
understanding
systems.
absence
specific
criteria
systems
existing
standards
emphasizes
necessity
specialized
addressing
aspects
unique
applications.
Interacting
with
pedestrians
understandably
and
efficiently
is
one
of
the
toughest
challenges
faced
by
autonomous
vehicles
(AVs)
due
to
limitations
current
algorithms
external
human-machine
interfaces
(eHMIs).
In
this
paper,
we
design
eHMIs
based
on
gestures
inspired
most
popular
method
interaction
between
human
drivers.
Eight
common
were
selected
convey
AVs'
yielding
or
non-yielding
intentions
at
uncontrolled
crosswalks
from
previous
literature.
Through
a
VR
experiment
(N1
=
31)
following
online
survey
(N2
394),
discovered
significant
differences
in
usability
gesture-based
compared
eHMIs.
Good
increase
efficiency
pedestrian-AV
while
ensuring
safety.
Poor
gestures,
however,
cause
misinterpretation.
The
underlying
reasons
explored:
ambiguity
regarding
recipient
signal
whether
are
precise,
polite,
familiar
pedestrians.
Based
empirical
evidence,
discuss
potential
opportunities
provide
valuable
insights
into
developing
comprehensible
future
support
better
AVs
other
road
users.
IEEE Access,
Год журнала:
2024,
Номер
12, С. 116558 - 116571
Опубликована: Янв. 1, 2024
Fifth
Generation
(5G)
enabled
Vehicle
to
Everything
(V2X)
communication
emerges
as
a
promising
solution
for
seamless
in
Vehicular
Ad
hoc
Networks
(VANET)
comprising
both
driver-based
and
autonomous
vehicles
overcome
security
threats.
The
existing
approaches
focused
on
either
vehicle
or
message
authentication
using
blockchain
technology;
however,
doesn't
achieve
overall
face
scalability
issues
due
the
linearity
of
blockchain.
In
this
paper,
network
is
initially
partitioned
into
M×M
grid
structures,
Edge
Assisted
Roadside
Units
(ERSU)
form
graph
an
Arithmetic
Optimization
Algorithm
(AOA)
with
entities
grid.
Bayesian
DAG
blockchain-based
decentralized
carried
out
mitigate
reduce
computational
complexity
Trusted
Authorities
(TA).
anonymity
preserved
by
generating
Virtual
ID
means
Enhanced
Blowfish
(EBA).
proposed
approach
simulated
OMNET++
SUMO
simulation
tools
evaluated
several
performance
metrics.
results
show
that
our
work
outperforms
all
metrics,
making
it
valuable
candidate
ensuring
5G-V2X
communication.