FINAL GPSJ Summer edition 2024 ONLINE VERSION.2pdf - Flipbook - Page 31
TRANSPORT
Organisations need to keep
cameras are widely used, but there
their buildings, and the staff and
are complex legal conditions.
visitors within them, safe and
To be all-seeing yet safe;
secure. Appropriate security
inconspicuous yet forbidding;
must combine proportionate
effective, convenient, and
protection with practicality. On
comfortable for all within; meeting
the other hand, security needs
every security requirement is a huge
to be smart and at least one
challenge.
step ahead as the variety of
New Security Technology
threats continues to expand.
To provide the best protection,
In addition to stopping threats from
entering the premises, security may
also be directed towards preventing
unauthorised removal of assets.
These may be as diverse as office
stationery, materials or equipment,
and sensitive information stored
on media such as micro memory
meeting all objectives, security
professionals and buildings managers
can now take advantage of advanced
scanning technology that’s already
deployed in airports worldwide, where
security demands and throughput are
extremely high.
Airports everywhere have quickly
cards, or drugs kept by hospitals and
introduced automated millimetre-
healthcare centres.
wave equipment, benefiting from
Effective and Proportionate
increased throughput, accuracy,
Protection
privacy, and satisfaction among
customers and staff. The harmless
Security at the entrances and exits
of buildings is expected to prevent
all unwanted items from entering.
Weapons or other dangerous objects
and materials immediately spring
to mind. At the same time, there
should be minimal inconvenience
or discomfort caused to legitimate
users.
The measures implemented need
low energy millimetre waves can
detect any small items that are
otherwise easily hidden from view
Millimetre Waves, Safety, and Privacy:
The facts
Rohde & Schwarz QPS screening
systems emit low-power, nonionizing electromagnetic waves
in the mmWave frequency
range. The power density of the
emitted radio signals is several
orders of magnitude below
other emitters such as mobile
phones, Bluetooth® devices, and
automotive radars
mmWave scanners use
non-invasive, low-power radio
waves within the 3 GHz to 80
GHz range. These radio waves
pass through clothing but are
reflected by the skin and do not
penetrate or alter cells. Any material
other than the human skin, such
as an object held against the
body under clothing to evade
detection, reflects the mmWaves
differently and can therefore be
typical hazards such as weapons or
knives, non-metallic objects, such
as liquids, papers, explosives, and
Privacy Protected
ceramic blades, as well as organic
No actual images of the person are
material such as food or plants.
captured or constructed at any time,
These millimetre-wave scanners,
during or after the scan. All data
like the R&S QPS (Quick Personnel
people, and activities to be protected.
exists only in the digital domain and
Security) system, enable a high
In courtrooms or some government
everything is discarded as the scan
detection rate and high throughput.
buildings, those entering will
Now, Rohde & Schwarz is introducing
new QPS models to bring millimetre-
uniformed staff, briefed to search up
wave scanning to many more
to 100 percent of people entering.
scenarios.
Bag searches are typical and body
searches may be selective. In other
contexts, such as offices or health
result gets displayed. If the system
detects an unusual pattern in the
captured waves, that could be of
concern, signal processing calculates
its whereabouts and highlights the
The technology behind mmW
location using an avatar displayed on
Scanners
the screen. Security staff can then
perform a targeted manual check,
centres, users may demand a less
The system consists of a static
overt approach, yet will always expect
transceiver array, embedded in a
to be safe.
large panel that comprises many
By extensively automating the
individual emitters and receivers
checking process, millimetre-wave
has been able to provide only
distributed across the surface area.
equipment overcomes disadvantages
limited protection. Metal detectors
There are no moving parts, and the
typically associated with human-
placed at entrances and exits can
system scans the person standing
centric security scanning. The
be large walk-through systems or
in front of the panel by sequentially
machine is designed with respect
handheld wands used by security
activating the transmitters and
for privacy built-in, always performs
staff. Although these can be effective,
receivers to emit millimetre waves
in the same way without bias, and
trained staff must always be present
and collect the reflected signals. The
can maintain its work rate indefinitely
and they cannot detect non-metallic
received signals are then subjected
without fatigue.
items. X-ray scanners can be used to
to extensive conditioning and analysis
check baggage but are not suitable
using high-performance digital signal
for screening people. Surveillance
processors with embedded edge AI.
Until now, the equipment available
detected and flagged to security
staff for further investigation.
The detection software relies on
artificial intelligence and is trained
on anomaly detection, rather than
image rendering, to maximise
effectiveness, throughput, and
affordability.
Certification of mmWave
security scanners according to
the standards of the International
Commission on non-Ionizing
Radiation Protection (ICNIRP)
ensures that the emitted energy
is in line with international safety
standards. The maximum power
density of the scanners is several
orders of magnitude below those of
mobile phones or Wi-Fi routers.
beneath clothing. These include all
to be appropriate for the premises,
expect and accept the presence of
GPSJ
guided by this illustration.
Walk On By
Schwarz is the R&S QPS Walk2000,
which is designed for locations that
experience high foot traffic. Places like
public buildings, offices, correctional
facilities, schools, hospitals and health
centres, factories, and others can
now experience increased safety and
security with minimal impact on the
overall experience of people routinely
using the building.
The QPS Walk2000 allows
extremely high throughput, scanning
up to 750 persons per hour. There
is no waiting and people can move
through the scanner without pausing
and posing, or removing shoes or
jackets. The overall experience is
more pleasant than conventional
scanners, wands, and pat downs,
while at the same time improving
safety and security.
Airport-quality millimetre-wave
scanning, proven to provide
protection, practicality, and privacy,
is now available to secure working
buildings against external threats and
loss prevention.
The latest scanner from Rohde &
GOVERNMENT AND PUBLIC SECTOR JOURNAL SUMMER 2024
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