3. Wireless Communication Technologies
used for V2V
In this section three Personal Area Network
(PAN) standards for in-vehicle communications are presented: Blue-tooth,
ZigBee and Ultra Wide Band. Also, one
Wireless Local Area Network (WLAN) for
inter-vehicle communications is presented:
Wi-Fi.
Fig. 1 V2V Communication
3.1 Bluetooth (IEEE 802.15.1):
Products that implement the Bluetooth
specification can facilitate automatic
establishment of a connection between the
car’s hands-free system (typically part of its
audio system) and a mobile phone.
3.2 ZigBee (IEEE 802.15.4):
It is a new low-cost, low-power wireless PAN
standard, intended to meet the needs of sensors
and control devices.
3.3 UWB (IEEE 802.15.3a), or Ultra Wide
Band:
UWB uses very low-powered, short-pulse
radio signals to transfer data over a wide
spectrum of frequencies that makes it tolerant
to all type of disturbances. 3.4 Wi-Fi (wireless fidelity):
This is the general term for any type of IEEE
802.11 network. Examples of 802.11 networks
are the 802.11a (up to 54 Mbps), 802.11b (up
to 11 Mbps), and 802.11g (up to 54 Mbps).
These networks are used as WLANs