IEEE Transactions on Mobile Computing,
Journal Year:
2024,
Volume and Issue:
23(12), P. 11498 - 11518
Published: May 2, 2024
This
paper
investigates
the
radio
resource
management
(RRM)
design
for
multiuser
rate-splitting
multiple
access
(RSMA),
accounting
various
characteristics
of
practical
wireless
systems,
such
as
use
discrete
rates,
inability
to
serve
all
users,
and
imperfect
successive
interference
cancellation
(SIC).
Specifically,
failure
consider
these
in
RRM
may
lead
inefficient
resources.
Therefore,
we
formulate
RSMA
optimization
problems
maximize
respectively
weighted
sum
rate
(WSR)
energy
efficiency
(WEE),
jointly
optimize
beamforming,
user
admission,
discrete/continuous
SIC,
which
result
nonconvex
mixed-integer
nonlinear
programs
that
are
challenging
solve.
Despite
difficulty
problems,
develop
algorithms
can
find
high-quality
solutions.
We
show
via
simulations
carefully
aforementioned
characteristics,
significant
gains.
Precisely,
by
considering
transmission
rates
discrete,
transmit
power
be
utilized
more
intelligently,
allocating
just
enough
guarantee
a
given
rate.
Additionally,
reveal
admission
plays
crucial
role
RSMA,
enabling
additional
gains
compared
random
facilitating
servicing
selected
users
with
mutually
beneficial
channel
characteristics.
Furthermore,
provisioning
possibly
SIC
makes
robust
reliable.
IEEE Wireless Communications,
Journal Year:
2024,
Volume and Issue:
31(3), P. 20 - 30
Published: June 1, 2024
Benefiting
from
the
ability
to
process
and
integrate
data
various
modalities,
multi-modal
foundation
models
(FMs)
facilitate
potential
applications
across
a
range
of
fields,
including
computer
vision
(CV),
natural
language
processing
(NLP),
diverse
such
as
imagetext
retrieval.
Currently,
FMs
are
deployed
on
computing
clusters
for
training
inference
meet
their
considerable
computational
demands.
In
foreseeable
future,
parameter
size
is
expected
evolve
further,
posing
challenges
both
computation
resources
energy
supply.
Fortunately,
leveraging
next-generation
wireless
networks
(6G)
aggregate
substantial
myriad
devices
holds
promise
handling
aforementioned
challenges.
this
work,
we
delve
into
state-of-the-art
artificial
intelligence
(AI)
techniques,
specifically
focusing
pipeline
parallelism,
learning,
with
aim
supporting
sustainable
development
distributed
in
6G
era.
context
compressing
activations
gradients
while
intelligently
allocating
communication
can
overcome
bottlenecks
caused
by
unstable
links.
For
federated
learning
(FL)
over-the-air
(AirComp)
seamlessly
integrates
computation,
significantly
expediting
gradient
aggregation.
Furthermore,
following
recent
success
large
(LLMs)
incorporating
FMs,
NLP
CV,
along
broader
AI
community,
establishing
cornerstone
intrinsic
within
networks.
Entropy,
Journal Year:
2024,
Volume and Issue:
26(5), P. 394 - 394
Published: April 30, 2024
In
this
paper,
the
problem
of
joint
transmission
and
computation
resource
allocation
for
a
multi-user
probabilistic
semantic
communication
(PSC)
network
is
investigated.
considered
model,
users
employ
information
extraction
techniques
to
compress
their
large-sized
data
before
transmitting
them
multi-antenna
base
station
(BS).
Our
model
represents
through
substantial
knowledge
graphs,
utilizing
shared
probability
graphs
between
BS
efficient
compression.
The
formulated
as
an
optimization
with
objective
maximizing
sum
equivalent
rate
all
users,
considering
total
power
budget
limit
constraints.
load
in
PSC
non-smooth
piecewise
function
respect
compression
ratio.
To
tackle
non-convex
challenge,
three-stage
algorithm
proposed,
where
solutions
received
beamforming
matrix
BS,
transmit
each
user,
ratio
user
are
obtained
stage
by
stage.
numerical
results
validate
effectiveness
our
proposed
scheme.
IEEE Transactions on Wireless Communications,
Journal Year:
2023,
Volume and Issue:
23(4), P. 3507 - 3524
Published: Sept. 1, 2023
Next-generation
wireless
applications
are
expected
to
enable
extended
ultra-reliable
low
latency
communication
(xURLLC)
support
high
data
rates
along
with
ultra-high
reliability
and
end-to-end
features
beyond
the
capabilities
of
existing
core
services.
These
consolidated
URLLC
requirements
in
resource-constrained
systems
necessitate
shift
from
conventional
architectures
more
powerful
robust
multiple
access
schemes.
This
paper
investigates
a
multi-reconfigurable
intelligent
surface
(RIS)-assisted
rate-splitting
(RSMA)
prompt
an
unconventional
xURLLC
service
called
mobile
broadband
reliable
(mBRLLC)
for
spectral
efficiency
under
finite
block-length
(FBL)
transmission
constraints.
To
spectral-efficient
resource
allocation,
we
formulate
sum
throughput
maximization
problem
joint
optimization
precoder
design
at
base-station
(BS),
common
private
symbols
each
user,
passive
beamforming
RIS.
solve
NP-hardness
non-convexity
formulated
problem,
use
alternating
technique
decouple
original
into
three
sub-problems:
active
BS,
optimization,
RIS
which
solved
using
general
convex
approximations.
Simulations
demonstrate
effectiveness
proposed
allocation
algorithm
over
The
considered
RSMA
system
achieves
even
lower
higher
reliability.
Additionally,
investigation
encompasses
evaluation
deployment
implications,
analysis
worst-case
scenario,
assessment
influence
channel
estimation
errors.
IEEE Journal on Selected Areas in Communications,
Journal Year:
2023,
Volume and Issue:
41(8), P. 2592 - 2608
Published: June 23, 2023
End-to-end
semantic
communications
(ESC)
rely
on
deep
neural
networks
(DNN)
to
boost
communication
efficiency
by
only
transmitting
the
semantics
of
data,
showing
great
potential
for
high-demand
mobile
applications.
We
argue
that
central
success
ESC
is
robust
interpretation
conveyed
at
receiver
side,
especially
security-critical
applications
such
as
automatic
driving
and
smart
healthcare.
However,
robustifying
challenging
extremely
vulnerable
physical-layer
adversarial
attacks
due
openness
wireless
channels
fragileness
models.
Toward
robustness
in
practice,
we
ask
following
two
questions:
Q1:
For
attacks,
it
possible
generate
semantic-oriented
are
imperceptible,
input-agnostic
controllable?
Q2:
Can
develop
a
defense
strategy
against
distortions
previously
proposed
adversaries?
To
this
end,
first
present
MobileSC
,
novel
framework
considers
computation
memory
environments.
Equipped
with
framework,
propose
xmlns:xlink="http://www.w3.org/1999/xlink">SemAdv
perturbation
generator
aims
craft
adversaries
over
air
abovementioned
criteria,
thus
answering
Q1.
better
characterize
real-world
effects
training
evaluation,
further
introduce
method
$\texttt
{SemMixed}$
harden
existing
strong
threats,
Q2.
Extensive
experiments
three
public
benchmarks
verify
effectiveness
our
methods
various
physical
attacks.
also
show
some
interesting
findings,
e.g.,
can
even
be
more
than
classical
block-wise
systems
low
SNR
regime.
IEEE Transactions on Consumer Electronics,
Journal Year:
2023,
Volume and Issue:
70(1), P. 2188 - 2199
Published: Dec. 4, 2023
In
this
paper,
we
investigate
a
semantic-aware
mobile
edge
computing
(MEC)
network
for
sustainable
next-G
consumer
electronics,
which
leverages
advanced
semantic
communication
technology
to
overcome
the
limitations
of
available
bandwidth
and
thereby
improve
efficiency.
For
network,
electronic
devices
can
offload
information
extracted
from
task
instead
transmitting
whole
in
conventional
MEC
networks,
where
latency
energy
consumption
be
significantly
reduced
through
proper
encoding,
offloading,
computation
allocation
decisions.
However,
non-convexity
issue
makes
it
difficult
obtain
optimal
decision.
To
address
issue,
two-level
optimization
framework
is
proposed.
Specifically,
upper-level
optimization,
resilient
deep
reinforcement
learning
(DRL)
approach
utilized
enable
adaptive
offloading
encoding
decisions
within
dynamic
network.
lower-level
design
three
criteria
allocating
resources
by
carefully
considering
trade-off
between
computational
complexity
implementation
Finally,
extensive
simulations
are
conducted
validate
effectiveness
our
proposed
strategy.
The
findings
paper
help
reduce
hence
supporting
development
electronics.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 18, 2025
Power
management
for
embedded
devices
in
Fifth
Generation
(5G)
networks
is
mandatory
synchronizing
the
communication
between
devices.
In
such
cases,
need
integration
power
optimization
recommended
aiding
lossless
and
high-speed
communications.
To
suppress
issues
hardware-based
failures
during
transmissions,
this
article
proposes
a
Compressive
Transmission
Scheme
(CTS)
through
Regulation
(PR).
The
proposed
scheme
identifies
multiple
transmission
possibilities
under
low
high
throughput
constraints
of
5G
single
interval.
device
integrations
are
decided
by
available
power-efficient
slots.
Such
allocation
slots
defined
integrated
using
neural-diffracted
networks.
learning
network
defines
objectives
hardware
power.
This
pursued
until
completed;
adverse
energy
drain
impact
handled
offloading
to
active
available.
balances
prevent
loss
satisfying
constraints.
For
maximum
slots/device,
achieves
11.46%
slot
allocation,
12.47%
latency,
9.99%
less
consumption.
In
this
paper,
we
present
a
probability
graph-based
semantic
information
compression
system
for
scenarios
where
the
base
station
(BS)
and
user
share
common
background
knowledge.
We
employ
graphs
to
represent
shared
knowledge
between
communicating
parties.
During
transmission
of
specific
text
data,
BS
first
extracts
from
text,
which
is
represented
by
graph.
Subsequently,
omits
certain
relational
based
on
graph
reduce
data
size.
Upon
receiving
compressed
can
automatically
restore
missing
using
predefined
rules.
This
approach
brings
additional
computational
resource
consumption
while
effectively
reducing
communication
consumption.
Considering
limitations
wireless
resources,
address
problem
joint
computation
allocation
design,
aiming
at
minimizing
total
energy
network
adhering
latency,
transmit
power,
constraints.
Simulation
results
demonstrate
effectiveness
proposed
system.
ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 18, 2024
In
this
paper,
the
problem
of
low-latency
communication
and
computation
resource
allocation
for
digital
twin
(DT)
over
wireless
networks
is
investigated.
considered
model,
multiple
physical
devices
in
network
(PN)
needs
to
frequently
offload
task
related
data
(DNT),
which
generated
controlled
by
central
server.
Due
limited
energy
budget
devices,
both
accuracy
transmission
power
must
be
during
DT
procedure.
This
joint
formulated
as
an
optimization
whose
goal
minimize
overall
delay
system
under
total
PN
DNT
model
constraints.
To
solve
problem,
alternating
algorithm
with
iteratively
solving
device
scheduling,
control,
offloading
subproblems.
For
scheduling
subproblem,
optimal
solution
obtained
closed
form
through
dual
method.
Numerical
results
verify
that
proposed
can
reduce
up
51.2%
compared
conventional
schemes.