US: SAE VRU Messages - WAVE WSMP
Description
This solution is used within the U.S.. It combines standards associated with US: SAE VRU Messages with those for V–X: WAVE WSMP. The US: SAE VRU Messages standards include upper–layer standards required to implement vulnerable road user information flows. The V–X: WAVE WSMP standards include lower–layer standards that support connectionless, near constant, ultra–low latency vehicle–to–any communications within ~300m using the WAVE Short Messaging Protocol (WSMP) over IEEE WAVE in the 5.9GHz spectrum. The broadcast mode is interoperable with M5 FNTP.
Includes Standards
| Level | DocNum | FullName | Description |
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| Mgmt | Addressed Elsewhere | Addressed Elsewhere in Stack | The services related to this portion of the stack are defined in the other standards listed for this solution. |
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| ITS Application Entity | SAE J2735 | Dedicated Short Range Communications (DSRC) Message Set Dictionary (TM) | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. |
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| ITS Application Entity | SAE J2945/9 | Performance Requirements for Safety Communications to Vulnerable Road Users | This standard specifies the system requirements for Vulnerable Road User (VRU) applications. |
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| ITS Application Entity | SAE J2945 | Dedicated Short Range Communication (DSRC) Systems Engineering Process Guidance for J2945/x Documents and Common Design Concepts | This standard defines cross–cutting material which applies to the J2945/x series including generic DSRC interface requirements and guidance on Systems Engineering (SE) content. |
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| Facilities | SAE J2945 | Dedicated Short Range Communication (DSRC) Systems Engineering Process Guidance for J2945/x Documents and Common Design Concepts | This standard defines cross–cutting material which applies to the J2945/x series including generic DSRC interface requirements and guidance on Systems Engineering (SE) content. |
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| Facilities | SAE J2735 | Dedicated Short Range Communications (DSRC) Message Set Dictionary (TM) | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. |
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| TransNet | IEEE 1609.3 | IEEE Standard for Wireless Access in Vehicular Environments (WAVE) – Networking Services | This standard defines the network and transport layer options for the WAVE environment. The standard defines three options: a bandwidth efficient single–hop solution known as WSMP, UDP/IP, and TCP/IP. It has been harmonized with ISO FNTP and FSAP – a common message format specified in ISO 16460. |
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Readiness: High–Moderate
Readiness Description
One significant or possibly a couple minor issues. For existing deployments, the chosen solution likely has identified security or management issues not addressed by the communications solution. Deployers should consider additional security measures, such as communications link and physical security as part of these solutions. They should also review the management issues to see if they are relevant to their deployment and would require mitigation. For new deployments, the deployment efforts should consider a path to addressing these issues as a part of their design activities. The solution does not by itself provide a fully secure implementation without additional work.
Issues
| Issue | Severity | Description | Associated Standard | Associated Triple |
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| Data not defined in standard format | Low | The definition of data concepts should conform to ISO 14817–1 to promote reuse among ITS. | SAE J2735 DSRC Message Set | (All) |
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Supports Interfaces
| Source | Destination | Flow |
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| Traveler Information Devices | BCRTA Transit Vehicles | personal location |
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| Traveler Information Devices | Cincinnati Streetcar Rail Vehicles | personal location |
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| Traveler Information Devices | City and County Connected Vehicle Roadside Equipment | personal location |
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| Traveler Information Devices | CTC Transit Vehicles | personal location |
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| Traveler Information Devices | CVG Airport Connected Vehicle Roadside Equipment | personal location |
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| Traveler Information Devices | Local Transit Vehicles | personal location |
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| Traveler Information Devices | ODOT / KYTC Connected Vehicle Roadside Equipment | personal location |
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| Traveler Information Devices | RAMP Transit Vehicles | personal location |
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| Traveler Information Devices | SORTA ACCESS Vehicles | personal location |
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| Traveler Information Devices | SORTA Fixed Route Vehicles | personal location |
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| Traveler Information Devices | TANK Transit Vehicles | personal location |
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| Traveler Information Devices | University of Cincinnati Shuttle Vehicles | personal location |
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