IEEE photonics journal,
Journal Year:
2024,
Volume and Issue:
16(5), P. 1 - 8
Published: July 17, 2024
This
paper
proposes
a
multi-domain
multi-level
(MDML)
orthogonal
frequency
division
multiplexing
(OFDM)
optical
encryption
transmission
scheme
based
on
memristor
Rulkov
neuron
chaos.
In
this
scheme,
the
masking
factors
generated
by
chaos
are
used
to
encrypt
information
of
digital
modulation
process,
so
as
improve
anti-malicious
attack
performance
system.
Among
them,
unit
constructs
simple
discrete
map
capture
complex
nonlinear
neuronal
behavior,
and
data
in
process.
addition,
proposed
introduces
depth
control
parameters
(EDCP),
which
can
make
up
for
damage
caused
complexity
encryption.
The
selection
EDCP
not
only
data,
but
also
change
distribution
uniformly
distributed
constellation
points
position,
reduce
average
power
points,
fiber
communication
A
9.41Gb/s
OFDM
signal
over
25km
standard
single-mode
(SSMF)
is
experimentally
demonstrated.
introduction
neurons
makes
key
space
reach
10116.
expand
1036
times.
When
bit
error
rate
(BER)
10-2,
receiving
sensitivity
with
0.2,
0.4,
0.8
6dB
higher
than
that
0.9,
0.3,
0.1.
results
show
effectively
resist
illegal
attacks
security
system
International Journal of Bifurcation and Chaos,
Journal Year:
2024,
Volume and Issue:
34(04)
Published: March 30, 2024
Memristor-type
feedback
provides
a
unique
passage
for
chaos
produced
with
easy
control.
In
this
work,
novel
memristive
map
amplitude
control
and
coexisting
hyperchaotic
attractors
is
designed,
in
which
two
nonbifurcation
parameters
are
extracted
partial
crossing
the
origin
total
Attractor
splitting
attractor
merging
captured,
lead
to
five
regimes
of
self-reproducing.
case,
double-cavity
extend
direction
0[Formula:
see
text],
45[Formula:
90[Formula:
text]
negative
[Formula:
text]-axis,
positive
135[Formula:
text]-axis
forming
specific
wall
self-reproduction.
Furthermore,
FPGA-based
hardware
implementation
carried
out
showing
consistent
results
numerical
simulation.
Finally,
high-security
chaotic
encryption
scheme
proposed
orthogonal
frequency
division
multiplexing
transmission
system,
where
power
technique
two-dimensional
region
joint
effectively
utilized.
The
security
transmitted
information
improved
by
various
controllers.
Optics Express,
Journal Year:
2024,
Volume and Issue:
32(11), P. 19019 - 19019
Published: April 30, 2024
In
order
to
guarantee
the
information
of
W-band
wireless
communication
system
from
physical
layer,
this
paper
proposes
sliced
chaotic
encrypted
(SCE)
transmission
scheme
based
on
key
masked
distribution
(KMD).
The
improves
security
free
space
in
millimeter-wave
data
system.
scheme,
is
embedded
into
random
position
ciphertext
information,
and
then
carrying
by
multi-dimensional
chaos.
Chaotic
1
constructs
a
three-dimensional
discrete
map
for
implementing
KMD.
2
complex
nonlinear
dynamic
behavior
through
coupling
two
neurons,
masking
factor
generated
used
realize
SCE.
paper,
16QAM
signals
4.5
m
with
rate
40
Gb/s
proved
experiments,
performance
analyzed.
When
input
optical
power
5
dBm,
bit
error
(BER)
legitimate
receiver
1.23
×
10
−3
.
offset
sequence
x
y
100,
their
BERs
are
more
than
0.21.
reaches
192
,
which
can
effectively
prevent
illegal
attacks
improve
experimental
results
show
that
distribute
keys
It
has
great
application
potential
future
secure
communication.
