EU: Contextual Speed Information Service - Wide Area Broadcast
Description:
This solution is used within Australia and the E.U.. It combines standards associated with EU: Contextual Speed Information Service with those for C-X: Wide Area Broadcast. The EU: Contextual Speed Information Service standards include upper-layer standards that support for providing speed information to a vehicle from roadside infrastructure. The C-X: Wide Area Broadcast standards include lower-layer standards that support one entity broadcasting information to all wireless devices over an area that covers at least a metropolitan area without any expectation of acknowledgement or response; security is provided by the upper-layers.Relevant Regions:
- Australia
- European Union
Comm Profile: C-X: Wide Area Broadcast
Comm Class: WAN - Wide Area Network
Standards in Profile:
| Level | Standard |
|---|---|
| Access | WAW Broadcast Alternatives |
| Mgmt | Proprietary |
| Security | Proprietary |
| TransNet | Proprietary |
Data Profile: EU: Contextual Speed Information Service
Standards in Profile:
| Level | Standard |
|---|---|
| Facilities | ISO 14823 TTI Graphic DD |
| ITS Application Entity | ISO 17426 Contextual Speeds |
| ITS Application Entity | ISO 19321 IVI Data Dictionary |
Solution Issues Severity: 1
The severity issue score calculation only includes issues associated with standards that are included by default.
Solution Issues:
| Default | Severity | Name | Type | Description |
|---|---|---|---|---|
| True | Low | Ubiquitous broadcast technology | SubNet Gap | With the continual enhancement of broadcast technologies and a mixture of free and subscriber-based systems, it is difficult to identify any single technology that can be used to reliably reach the bulk of drivers in a timely manner. |
Solution to Triples
| Source | Flow | Destination |
|---|---|---|
| Transportation Information Center | speed management information | Vehicle |