Page 20 - Use cases and requirements for the vehicular multimedia networks - Focus Group on Vehicular Multimedia (FG-VM)

certain jurisdictions the only VMS connectivity that is built-in might be for emergency calls.
However, the limited bandwidth for emergency calls might not allow access or stream to any other
connected services and APPs.
The user can connect the VMS in this case through his mobile device that he brings into the vehicle.
The mobile device will connect with the car through Bluetooth, USB or other connections.
Content of the mobile device like APPs and mobile services will be displayed on the VMS through
MirrorLink, Apple CarPlay or Android Auto, for example.

All connected APPs and services are accessible through the VMS.
7.1.2 Built-in connectivity

The vehicle is fully connected to the Internet, APPs and connected services through its built-in
connectivity.

All APPs and services can be accessed through the VMS.

7.1.3 Hybrid connectivity
Hybrid connectivity is a mixture of brought-in and built-in connectivity.
The vehicle has its own built-in connectivity. However, the user can bring-in additional connected
services and APPs through its mobile devices. As for the brought-in connectivity, the mobile device
connects to the vehicle through Bluetooth, USB or other types of connection and its services and
APPs can be displayed on the VMS through MirrorLink, Apple CarPlay, or Android Auto. The user
accesses all vehicle connected services and APPs through the VMS

Figure 5 – Vehicle connectivity (with credit to Tesla, GM)

Ideally, in all the above cases, access to services, APPs and content displayed are adapted to driving
situations and to the location of users within the vehicle in order to minimize distraction for the driver.

7.2 Multiple network connectivity in the vehicular multimedia context

7.2.1 Background
Most vehicular audio/video entertainment systems have at least FM/AM radio functions, while digital
radio and sound broadcasting receivers are becoming more common [ITU-R BS.2384], due
particularly to the European Union mandating DAB+ receiver in all new cars. With the improvements

10 FGVM-01R1 (2019)