Low Level Function
5.11.7 Provide In-vehicle eCall Facilities

Overview

This Function shall be capable of providing the following facilities:

(1) The ability to provide "eCall" facilities that enable a call to be automatically made to the Emergency Services by a Vehicle that has detected that it has been involved in an accident.
(2) The ability to include in data that is sent to the Emergency Services, some basic information on the reason for the call, as well as the current Vehicle location, which shall be determined directly from a source of location data.
(3) The ability to initiate the call to the Emergency Services either as a result of input from a Vehicle occupant, or automatically by the Driver monitoring system or as a result of data received from other functionality in the Vehicle via the Vehicle System.
(4) The ability for the Driver to cancel the automatic initiation of the "eCall" message.

Functional Requirements

(a) when one of the accident detection data flows is received, the information on the reason for the call, and the current location of the vehicle is collected
(b) a data flow is sent to the Provide Safety and Emergency Facilities area
(c) a data flow is sent to the Vehicle Systems via the Communications function
(d) when the first reply is received from the Provide Safety and Emergency Facilities area, a response is output via the driver's HMI in the eCall information data flow
(e) when the final reply is received from the Provide Safety and Emergency Facilities area, again a response is output via the driver's HMI in the eCall information data flow.

Diagrams

The Diagram(s) is (are) the diagram(s) where you can find the function :
  • DFD 5.11 Provide Driver Monitoring and eCall
  • Functional Tree of Area 5

    • Parent Higher Level Function

    Input logical dataflows

    Output logical dataflows

    User needs

    Number

    Description

    5.1.0.6
    The system shall be able to provide two-way data and/or voice communications between the vehicle and the emergency control centre.
    5.3.0.1
    The system shall monitor the movements of hazardous goods, and provide appropriate support in the case of an incident.
    5.3.0.2
    The system shall be able to provide the location of hazardous goods.
    5.3.1.1
    The system shall be able to detect that the vehicle has been involved in an accident, identify its location and contents, and generate an emergency alert automatically.
    5.3.1.2
    The system shall be able to identify its location and contents, and generate an emergency alert on the command of the vehicle driver.
    7.6.1.1
    The system shall be able to detect that the host vehicle has been involved in an indecent/accident and to call the emergency services either automatically or on command of the driver/passenger (eCall)
    7.6.1.2
    The system shall be able to send a request for assistance (eCall) message to the emergency services from a road-side device.
    8.5.1.1
    The system shall be able to make an 'eCall'.
    8.5.1.2
    The system shall be able to detect that the vehicle has been involved in an accident, identify its location, and initiate an 'eCall' automatically.
    8.5.1.3
    The system shall be able to identify the vehicle's location, and make an 'eCall' on the command of a vehicle occupant.
    8.5.1.4
    The system shall be able to detect that the driver is impared, identify its position, and initiate an 'eCall' automatically.