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Latency reduction in ethernet open – Audio video bridging streams for automotive infotainment network

Publication Type : Journal Article

Publisher : Blue Eyes Intelligence Engineering and Sciences Publication

Source : International Journal of Recent Technology and Engineering, Blue Eyes Intelligence Engineering and Sciences Publication, Volume 7, Number 5, p.43-51 (2019)

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Campus : Coimbatore

School : School of Engineering

Department : Computer Science

Year : 2019

Abstract : Ethernet is one of the most widely used high-speed interfaces at homes and offices, recently the trend is catching up towards its adoption to the automotive world where a high amount of data to be transported at very high speeds mostly in the infotainment domain. As with Controller Area Network (CAN) which is an automotive communication protocol, Ethernet is also packetized data communication system, where information is transferred in packets between nodes on various parts of the network. Ethernet would be the best candidate for replacing CAN in the future, but the high cost per node is a limiting factor for widespread use of it in an automotive environment. Due to this, it may probably not replace CAN networks in the near future but rather augment it. Reliability and fault-resilience being a characteristic for any automotive domain, the high data rate is an additional requirement for domains such as infotainment because the data that is transported is primarily multimedia. CAN network fail in this aspect, as the supported data rate is not sufficient for multimedia and high quantity sensor data. The alternative, OpenAVB is an open source Audio Video Bridging (AVB) system. In this paper, the customizing OpenAVB software for automotive use cases is discussed and analyzed. Also, it presents at enhancing the OpenAVB stack’s stream reservation process to suit the automotive scenarios to reduce the streaming latency with stream reservation protocol at network startup by performing bandwidth reservation. © BEIESP.

Cite this Research Publication : R. Varghese and Dr. Senthil Kumar M., “Latency Reduction in Ethernet Open - Audio Video Bridging Streams for Automotive Infotainment Network”, International Journal of Recent Technology and Engineering, vol. 7, pp. 43-51, 2019.

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