Autonomous Vehicle Engineering - September 2021 - 27

V2X
GPS and V2X will combine to provide precise locational data
and information about road issues such as construction.
current will be a complex issue, since vehicle lifetimes are
long. Hack attacks on vehicles will be compounded by
attacks on corporate servers that communicate with cars.
" The vehicle is never alone: A secure server
system is the vehicle's overwatch, " Gee said. " While
an attack on one vehicle might be able to expose that
one vehicle's protected data, a successful attack on a
server system could expose the data for many vehicles.
Because such back-end systems are monitored 24/7
and have constant patches and upgrades, the vehicle's
overwatch can filter and block new attacks from
compromised third party servers. "
Future needs
As autonomy comes into play, communications will
grow in importance. Satellite navigation data is likely
to be used to help advanced vehicles navigate better,
conserving fuel or battery life by adjusting speed before
entering curves or hilly areas. GPS data will further
supplement V2X links by providing very precise
positioning data. Combining V2X and GPS data can
provide important information, such as telling the
vehicle it will need to adjust lanes in construction zones.
" Unlike GPS navigation for human-driven
vehicles, which operate within a few meters of accuracy
to provide turn-by-turn directions, maps for AVs have
greater requirements to ensure safety, " Shapiro said.
" They must operate with centimeter-level precision
for accurate localization, the ability of an AV to locate
Chipsets on
vehicles will
make decisions
based
on V2X and
sensor inputs.
itself in space. Proper localization also requires maps
that are constantly updated and reflect current road
conditions, such as a work zone or a lane closure. "
Communication can also help system designers
continue to make ongoing improvements. Data
collected from vehicles helps engineers and programmers
enhance systems and software. " Data collection,
data quality and data management are of vital importance, "
said Arnaud Lagandré, ADAS business unit VP,
Continental North America. " Therefore, we collect
daily more than 100 terabytes with our global fleets
that entail hundreds of vehicles. " â– 
AUTONOMOUS VEHICLE ENGINEERING
September 2021 27
Nvidia
Nvidia

Autonomous Vehicle Engineering - September 2021

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