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SAE J2735-Draft-Rev29 [issued: 12-11-08]
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293 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
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Vehicle shall have lane resolution positioning.
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Voluntary yet implicit participation via traditional cruise control triggers.
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Vehicle behaviors moderated via the guidelines of the team, including:
Target speed
Following distance thresholds
Destination (optional)
3. Cooperative Cruise Control Message Set
The Cooperative Cruise Control message set includes several messages which support the form, join, end,
leave, and status system operations. These are identified by message type identifiers. A table listing
message type identifiers follows.
Flag Type
Bit Flag
Form
0x0
Join
0x1
Leave
0x2
End
0x3
Team Status
0x4
Table 1: Message Type Identifiers
4. Form and Join Message Operations
Vehicle should broadcast a request to form, or it’s availability to join, a team.
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Provides the ability to begin a team. Allows the vehicle to broadcast to the surrounding
environment that it is available and willing to initiate a team.
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If multiple vehicles broadcast a request to form a team, the implementation will handle “Team
Leader” and “Team ID” designations relative to GPS location. (Team ID: 64 bit random
number)