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SAE J2735-Draft-Rev28 [issued: 11-10-08]
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9
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This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
Shape Point Set Region
...................................................................................................................................280
Extremely Large Regions
...............................................................................................................................281
Annex E Traffic Probe Message Use and Operation
....................................................281
Probe Data Introduction................................................................................................281
Probe Message Structure...............................................................................................281
Application and Use with DSRC....................................................................................283
Probe Snapshot Generation...........................................................................................283
Periodic Snapshots.........................................................................................................284
Event Triggered Snapshots............................................................................................286
Starts and Stops Snapshots............................................................................................286
Message Transmission Order
........................................................................................286
Probe Data Message Sets Received By an RSU..............................................................290
Vehicle Anonymity
........................................................................................................290
Probe Data Security.......................................................................................................290
Probe Data Message Management.................................................................................290
Probe Message Management: Time or Distance Periodic Snapshot Generation
...........291
Probe Message Management: Interval between Probe Message Broadcasts
.................292
Probe Message Management: Termination...................................................................292
Probe Message Management: Vehicle Status Element Triggers....................................292
Probe Message Management: Vehicle Sampling...........................................................292
Probe Message Management: Managed Vehicle Heading.............................................293
Probe Message Management: Start and Stop Threshold Settings
.................................293
Annex F Emergency Vehicle Message Use and Operation.........................................295
1. Application Description
............................................................................................295
2. Preconditions for operation:
.....................................................................................296
3. Flow of Events...........................................................................................................296
4. System Architecture and Concept of Operation........................................................298
5. Application use with DSRC.......................................................................................299
Annex G Roadside Alerting Message Use and Operation...........................................301
1. Application Description
............................................................................................301
2. Preconditions for operation:
.....................................................................................301
3. Flow of Events...........................................................................................................301
4. System Architecture and Concept of Operation........................................................302
5. Application use with DSRC.......................................................................................302
Annex H Map and SPAT Message Use and Operation...............................................304
1.
Introduction
........................................................................................................304
2.
The overall framework of the SPAT
....................................................................304
3.
The overall framework of the MAP
.....................................................................307
4. Additional details of encoding and use
......................................................................309
Annex I Cooperative Cruse Control (CCC) Use and Operation
.................................310
1. Introduction..............................................................................................................310
2. Operational Concept
....................................................................................................310
3. Cooperative Cruise Control Message Set
..................................................................311
4. Form and Join Message Operations..........................................................................311
Join Message Request/Response...................................................................................................................313