1   Definition

Message exchanged between the Ego CAV’s and the Human-CAV Interaction Subsystems (HCI) of another CAV or CAV-Aware entity (e.g., Roadside Unit, a Store and Forward entity) “Remote HCI”.

2   Functional Requirements

Ego HCI may:

  1. Exchange messages with a Remote HCI.
  2. At a passenger’s prompt, request a Remote HCI to send the digital representation (M-Location) of the audio-visual scene of a specific U-Location.
  3. Respond or not to the request from a Remote HCI to send the digital representation (M-Location) of the audio-visual scene of a specific U-Location by selecting the Level of Detail for transmitting the requested M-Location with the available bandwidth.
  4. Respond to a request to move the CAV to a specified Wai Point and stop assuming a specified Point of View.

3   Syntax

https://schemas.mpai.community/CAV2/V1.0/data/EgoRemoteHCIMessage.json

4   Semantics

Label Size Description
Header N1 Bytes Ego-Remote HCI Message Header
– Standard – EgoRemoteHCIMessage 9 Bytes The characters “MMM-ERH-V”
– Version N2 Bytes Major version – 1 or 2 Bytes
– Dot-separator 1 Byte The character “.”
– Subversion N3 Bytes Minor version – 1 or 2 Bytes
EgoRemoteHCIMessageID N4 Bytes Identifier of Ego-Remote HCI Message.
EgoRemoteHCIMessage N5 Bytes Data of Ego-Remote-HCI Message.
– Request N6 Bytes Data sent on Ego CAV’s initiative.
  – MLocationRequest N7 Bytes M-Location corresponding to a U-Location.
  – GenericMessage N8 Bytes Any message.
– Response N9 Bytes Data sent in response to a request or message.
  – FullEvironmentDescriptors N10 Bytes Full Environment Descriptors.
  – GenericMessage N11 Bytes Response to Message.
DescrMetadata N12 Bytes Descriptive Metadata.