Multi-Access Edge Computing --> Personal Information Device:
detected unequipped vehicles and VRUs

This flow may also be implemented by Connected Vehicle Roadside Equipment --> Personal Information Device: detected unequipped vehicles and VRUs

Definitions

detected unequipped vehicles and VRUs (Information Flow): Notification of a nearby vehicle (light vehicle, commercial vehicle, MMV etc.) or vulnerable road user that does not appear to be equipped with a short range communications device but is detectable using onboard vehicle or infrastructure sensors. The flow communicates detected vehicle/VRU location, physical characteristics, observable kinematics and confidence in those measures.

Multi-Access Edge Computing (Source Physical Object): 'Multi-Access Edge Computing' ((MEC) previously known as mobile edge computing) represents computing devices that operate and are managed like a cloud server, but are deployed at the edge of a network (typically a cellular network, but it could be any network). While not in strict proximity to the transportation network, these systems do benefit from vastly decreased distances to the roadway compared to central systems, and so can provide lower latency than strictly backoffice systems

Personal Information Device (Destination Physical Object): The 'Personal Information Device' provides the capability for travelers to receive formatted traveler information wherever they are. Capabilities include traveler information, trip planning, and route guidance. Frequently a smart phone, the Personal Information Device provides travelers with the capability to receive route planning and other personally focused transportation services from the infrastructure in the field, at home, at work, or while en-route. Personal Information Devices may operate independently or may be linked with vehicle on-board equipment. This subsystem also supports safety related services with the capability to broadcast safety messages and initiate a distress signal or request for help.

Included In

This Triple is in the following Service Packages:

This triple is associated with the following Functional Objects:

This Triple is described by the following Functional View Data Flows:

  • None

This Triple has the following triple relationships:

None

Communication Solutions

Solutions are sorted in ascending Gap Severity order. The Gap Severity is the parenthetical number at the end of the solution.

Selected Solution

(None-Data) - Secure Wireless Internet (ITS)

Solution Description

This solution is used within Canada and the U.S.. It combines standards associated with (None-Data) with those for I-M: Secure Wireless Internet (ITS). The (None-Data) standards include an unspecified set of standards at the upper layers. The I-M: Secure Wireless Internet (ITS) standards include lower-layer standards that support secure communications between two entities, either or both of which may be mobile devices, but they must be stationary or only moving within wireless range of a single wireless access point (e.g., a parked car). Security is based on X.509 or IEEE 1609.2 certificates. A non-mobile (if any) endpoint may connect to the service provider using any Internet connection method.

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TransNet TransNet

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Note that some layers might have alternatives, in which case all of the gap icons associated with every alternative may be shown on the diagram, but the solution severity calculations (and resulting ordering of solutions) includes only the issues associated with the default (i.e., best, least severe) alternative.

Characteristics

CharacteristicValue
Time Context Now
Spatial Context Adjacent
Acknowledgement False
CardinalityUnicast
InitiatorSource
AuthenticableTrue
EncryptFalse


InteroperabilityDescription
NationalThis triple should be implemented consistently within the geopolitical region through which movement is essentially free (e.g., the United States, the European Union).

Security

Information Flow Security
  Confidentiality Integrity Availability
Rating Not Applicable High Moderate
Basis This data is intended to be shared with all nearby vehicles, traffic control devices and vulnerable road users; it is essentially public. This data may be used as input to vehicle situational awareness and thus trigger crash-avoidance actions. If manipulated or incorrect, a crash may occur; though vehicles able to use this data also have sensory capabilities, this flow will often contain data describing objects/vehicles/VRUs that are obscured and not observable by on-board sensors. This data may be used as input to vehicle situational awareness and thus trigger crash-avoidance actions. This data enable collision avoidance actions that are impractical without it, as vehicles able to use this data to sense-by-proxy other vehicles/VRUs/obstacles that are obscured by on-board sensors. Considered MODERATE and not HIGH only because the lack of availability reverts to existing operations and does not actively make safety worse.


Security CharacteristicsValue
AuthenticableTrue
Encrypt False