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Development of Automotive Multimedia System using the Wireless Optical CommunicationsSang Yub LeeEmbedded Software Research CenterSenior Researcher

1.Introduction of the proposed System2. MOST-WOC Network System3. Physical Model4. Experimental Environment 5. Conclusion

1.Introduction of the proposed System2. MOST-WOC Network System3. Physical Model4. Experimental Environment 5. Conclusion

Introduction of the proposed SystemWired + Wireless4

SMSC *MOST Forum 2011

Introduction of the proposed SystemWired + Wireless5*MirrorLink Consortium 2014

Car Connectivity - MirrorLinkMirrorLink is based on a set of well established, non-proprietary technologies. It uses standard Internet technologies (such as Internet Protocol) for compatibility with a wide range of devices

The synchronous network provides excellent Quality of Service and seamless connectivity for audio/video streaming

Introduction of the proposed SystemWired + Wireless6 Car Connectivity MOST Wirelessproposed network system is consist of MOST devices with WOC module as an access device in ring networkThe proposed MOST- WOC network system which is linked with MOST network system has the same data rate as 150MbpsThe synchronous network provides excellent Quality of Service and seamless connectivity for audio/video streaming

*WOC : Wireless Optical Communications (MOST Wireless)

1.Introduction of the proposed System2. MOST-WOC Network System3. Physical Model4. Experimental Environment 5. Conclusion

MOST-WOC Network SystemSystem Model 8

Car Connectivity MOST WirelessWOC I/F INIC (OS81110)MLB 6Data Processing : MLB 6 IOCompanion (OS85650) I2C/I2SData Routing I2C/I2SINIC(OS81110)

MOST-WOC Network SystemSystem Model 9

MOST Control and Packet Frame on AirMOST Control and Packet Frame

MOST Packet FrameMOST Control FrameMOST Audio

1.Introduction of the proposed System2. MOST-WOC Network System3. Physical Model4. Experimental Environment 5. Conclusion

11Physical ModelMOST Physical interface

12Physical ModelWOC Physical interface

13Physical ModelWOC Physical interface MOST-WOC System Module Spec. HWWavelength 650nm Data Rate : 150MbpsEffective Range : 0.1m ~ 1.0mOptic lens : Spherical LensMCU (32bit)SWFirmware basedNetService v3.0

1WOC Optic Module2WOC System Module

14Physical ModelWOC Physical interface MOST-WOC Platform Spec. HWCortexA9 Dual Core LPDDR 2G, eMMc 4GWQXA(2560x1600) Display Panel Companion IO : IOCINIC 2 Port SWAndroid Version 4.2.xKernel 3.4.x ADB(Android Debug Bridge)NetService v3.0

12WOC Optic ModuleMOST Module3MOST-WOC linked Platform

1.Introduction of the proposed System2. MOST-WOC Network System3. Physical Model4. Experimental Environment 5. Conclusion

16Experimental EnvironmentsMOST-WOC Demonstration

Front Side Back Side

Media DataControl Data

MOST Packet DataMOST Control DataDisplay Output

Audio Output

17Experimental EnvironmentsMOST-WOC Demonstration TEST ScenarioH/H to WOC System ModuleMP4 Video file and Control Signal WOC System Module to MOST-WOC Platform MOST Packet Data and Control Data MOST-WOC Platform to Internal ProcessorMOST Control Data and Audio output

18ConclusionMOST wireless connectivity Mirror LinkMOST-WOCWireless InterferenceYes(2.4GHz ISM)NoReal time streaming serviceNoYesIn-Vehicle Network connectionNoYesAdaptation of Before Market-YesAdaptation of After MarketYes-Data RateFluctuating150Mbps (no MIMO)150MbpsRSE(Rear Seat Ent.) supportNo (only Head Unit)Yes

1.Introduction of the proposed System2. MOST-WOC Network System3. Physical Model4. Experimental Environment 5. Conclusion

20ConclusionMOST wireless connectivity

MOST-WOC Connectivity MOST-WOC can be optimized streaming data transmitting solution without ceasing communication on vehicle environment It can be satisfied with reducing the weight and ensuring the reliability for the free of electro-magnetic problems

The MOST Seamless Car Connectivity Solution

Thank youThe MOST Seamless Car Connectivity Solution