Low Level Function
2.1.8 Accept eCall input from outside the Vehicle

Overview

This Function shall be capable of providing the following facilities:

(1) Enable a Traveller to send  an "eCall" from a location that is outside the Vehicle.
(2) Provide the Traveller with the acknowledgement for the "eCall" sent in (1).
(3) Enable the Driver inside the Vehicle to be provided with a copy of the acknowledgement in (2).
(4) Include suitable HMI's for both the Traveller outside the Vehicle and the Driver inside the Vehicle.

Functional Requirements

(a) wait for any traveller request
(b) receive eCall
(c) send it for process
(d) wait for acknowledgement message
(e) give contained information to traveller.

Diagrams

The Diagram(s) is (are) the diagram(s) where you can find the function :
  • DFD 2.1 Manage Emergencies
  • Functional Tree of Area 2

    • Parent Higher Level Function

    Input logical dataflows

    Output logical dataflows

    User needs

    Number

    Description

    5.1.0.1
    The system shall be able to make an 'eCall'.
    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.