7-8

V2V AND V2I
PENTA AKHIL
Just like how phones have
evolved into smartphones,
perhaps cars should also take
a similar route and evolve
into ‘smart’ cars equipped
with futuristic and practical
features. Car manufacturers
are seriously looking into and
researching two technologies
that would enable future cars
to communicate with each
other and with objects around
them.
Vehicle-to-vehicle
communication (V2V
communication) is the
wireless transmission of
data between motor vehicles.
This V2V works by using
wireless signals to send
information back and forth
between cars about their
location, speed and direction.
The information is then
communicated to the cars
around it in order to provide
Information on how to keep
the vehicles safe distances
from each other. Imagine a car
approaching an intersection as
another car runs a red light.
The former car driver don't
see them at first, but that car
gets a signal from the latter
that it's directly in your path
and warns the driver of the
potential collision, or even
hits the brakes automatically
to avoid an accident
V2I (vehicle to infrastructure)
would allow vehicles to
communicate with things like
road signs
or traffic
signals and
provide
information
to the vehicle
about safety
issues. In this,
the infrastructure plays a
coordination role by gathering
global or local information
on traffic and road conditions
and then suggesting or
imposing
certain
behaviors on
a group of
vehicles. In a
more
sophisticated
scenario, the
velocities and accelerations of
vehicles and inter vehicle
distances would be suggested
by the infrastructure on the
basis of traffic conditions,
with the goal of optimizing
overall emissions, fuel
consumption, and traffic
velocities. Suggestions to
vehicles could be broadcast to
drivers via road displays or
directly to vehicles via
wireless connections. V2I
could also request traffic
information from a traffic
management system and
access the best possible
routes.
TECHXPLORER 7 ISSUE 2-2016

Both V2V and V2I
works by using
wireless signals to
send information
back and forth
between cars about
their location, speed
and direction over
Vehicular Ad hoc
NETworks
(VANETs) to
prevent accidents.
VANET is the
spontaneous creation of a
wireless network for data
exchange - to the domain of
vehicles. Vehicular Ad Hoc
Networks (VANETs) are
created by applying the
principles of mobile ad hoc
networks (MANETs).
Basically, both VANETs and
MANETs are
characterized by the
movement and selforganization
of the
nodes (i.e., vehicles
in case of VANETs
and mobiles in case
of MANETS).
VANETs are
characterized by
rapid but somewhat
predictable topology
changes, with
frequent fragmentation, a
small effective network
diameter, and redundancy hat
is limited temporally and
functionally.
These
Vehicular
communications is usually
developed as a part
of intelligent transportation
systems (ITS).These
technologies could transform
the way we drive and increase
automotive
safety
dramatically. Good thing is
car companies and the
government are already
working to try to make this a
reality. All of this
communication and
preemptive vehicle assistance
leads us into our next future
technology.
Even
automotive
manufacturers are also
working on Vehicle-toeverything
(V2X). It is
a vehicular communication
system that incorporates other
more specific types of
communication as V2I
(Vehicle-to-Infrastructure),
V2V (Vehicle-to-vehicle),
V2P (Vehicle-to-Pedestrian),
V2D (Vehicle-to-device) and
V2G (Vehicle-to-grid). V2X
is the platform that regulates
all connections a car makes
with the outside world, be that
another car, an IoT device or
even a human
TECHXPLORER 7
8
ISSUE 2-2016