Browse Publications Technical Papers 2008-01-2650
2008-10-07

Overview and Use of SAE J2735 Message Sets for Commercial Vehicles 2008-01-2650

The FCC allocated the 5.9 GHz spectrum to enhance the safety and productivity of the nations transportation system. Dedicated Short Range Communication (DSRC) is a medium range wireless communication protocol that supports vehicle-to-vehicle, vehicle-to-roadside, and roadside-to-vehicle communication. It enables both public safety and licensed private transactions. DSRC contrasts cellular and Wi-Fi by providing fast acquisition, low latency communication in a relatively close communication range. IEEE is developing the Wireless Access in Vehicular Environment (WAVE) communication standards to provide the groundwork for DSRC and enable seamless, interoperable services. The WAVE architecture includes IEEE P1609.1 (Application layer), IEEE P1609.2 (Security layer), IEEE P1609.3 (Network layer), IEEE P1609.4 (Upper MAC Layer), and IEEE 802.11p (Lower MAC and Physical layers).
The SAE J2735 standard defines message sets, data-frames and data-elements used by applications to exchange data over the DSRC/WAVE, as well as other, communication protocols. J2735 includes the following messages categories:
General:
Safety:
Geolocation:
Traveler Information:
Electronic Payment:
The following paper provides an overview of the use of these messages and describes some benefits provided to commercial vehicles.

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