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MOST bus sets up link between smartphones, in-car systems

Posted: 19 May 2014     Print Version  Bookmark and Share

Keywords:MOST Cooperation  MOST  smartphone  infotainment 

MOST Cooperation (MOSTCO) has revealed what it says are the first functioning building blocks of a Universal Plug and Play (UPnP)-based connectivity between smartphones and in-car systems. This took place at their recent industry meeting where the focus is centred on the infotainment segment.

"While smartphones and other mobile devices are integrated into our daily lives, they are not integrated into our vehicles," said MOSTCO administrator Rainer Klos. The UPnP approach enables the integration of consumer devices into MOST-based vehicles. In this context it offers the potential to extend consumer devices with the seamless controlling capabilities currently experienced with integrated automotive head units, he added. In addition, the vehicle user interface can be more personalised and it can keep up with the short lifecycles of consumer electronics. In its current version, shared car environments particularly benefit from user preferences stored in the smartphone, such as a favourite radio station, seat position, stereo presets or climate control temperature. Upon connecting to the vehicle, these presets are applied automatically.

One use case is the exchange of audio data between a media server and a media renderer via the MOST synchronous channel. The connection establishment and the audio stream are managed by a standardised UPnP control point. The communication between the control point and the media server and renderer is transmitted by a gateway via the MOST Ethernet channel. The actual audio streaming is mapped to the MOST synchronous channel. This example consists of one audio/video control point and two controlled devices, a media server and a media renderer. In the automotive use case, the control point would be a smartphone with UPnP control point software. The media server and the media renderer would be integrated into in-vehicle devices such as the head unit or the rear seat entertainment.

- Christoph Hammerschmidt
  EE Times

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