TrafficCast Quick Start—BlueTOAD Spectra and Spectra RSU
Revision 02 May 2019 v
Glossary
In the glossary below, terms are listed in alphabetical order along with their meanings. Below is an example
of acronyms used in text.
Example: In the future, each automobile will be a Connected Vehicle (CV) equipped with
an Onboard Unit (OBU) that will communicate with the external traffic infrastructure.
Term Meaning
AGL Above Ground Level
ATIS American Traveler Information Systems
AWS Amazon Web Services
BlueARGUS Web-based software to monitor BlueTOAD detectors
BlueTOAD Bluetooth
®
Travel time Origin And Destination
BSM
Basic Safety Message—every 0.10 second, a connected vehicle (CV) broadcasts its vehicle type,
speed, location, direction and approach relative to an intersection.
CAT-5 Cable
Category 5 cable, a twisted pair cable for computer networks. The cable standard provides
performance of up to 100 MHz and is suitable for 1000BASE-T (Gigabit Ethernet). This is also
called an “Ethernet Cable” or a “LAN Cable.”
CV / CAV Connected Vehicle / Connected and Autonomous Vehicles
DIAM DENSO International America, Inc.
Discoverable/
Non-Discoverable
Discoverable = Bluetooth device searching to Pair with another Bluetooth device
Non-Discoverable = two Paired Bluetooth devices
DNS UDP
Domain Name System—a hierarchical and decentralized naming system for resources connected to
the Internet or a private network. User Datagram Protocol—an alternative comm protocol to TCP
DSRC Dedicated Short Range Communications
Egress Going out of (leaving) an intersection
EIRP Effective Isotropic Radiated Power
EMAC Ethernet Media Access Controller
ERM Event Reporting Message
FCC Federal Communications Commission
Free-TEXT Custom text you type to create a message or part of a message for a TIM
GPS Global Positioning System
HTML Hypertext Markup Language
IEEE Institute of Electrical and Electronics Engineers
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