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Gateway for data communication in a vehicle

A data communication and gateway technology, applied in the field of gateways, can solve problems such as insufficient networking requirements

Active Publication Date: 2020-12-11
CONTINENTAL AUTOMOTIVE TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typical communication chips only have the bus system USB, which is fast enough but insufficient for future networking requirements
However USB is only conditionally suitable as a bus system in vehicles

Method used

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  • Gateway for data communication in a vehicle
  • Gateway for data communication in a vehicle
  • Gateway for data communication in a vehicle

Examples

Experimental program
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Embodiment Construction

[0041] Data communication in vehicles uses different standards and protocols. For example, the data detected by the sensor is sent through the CAN bus, and the multimedia data is sent through the MOST bus. During this period, however, the Ethernet standard has also become increasingly important in the on-board network of motor vehicles.

[0042]The supply voltage is transmitted via UTP cable according to the IEEE 802.3bu standard "Power over Data Lines (PoDL)". In this method, the motor vehicle component is supplied with the supply voltage via the data line with minimal interference between the data and the supply voltage. In order to take advantage of this, end devices or applications must be PoDL compliant so that specific devices, power sourcing devices on the network, can determine which devices require current. These are then referred to as powered devices (PDs).

[0043] A technical challenge of E-E / architectures in recent years is the increased communication interfac...

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PUM

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Abstract

The present invention provides a gateway (100) for data communication in a vehicle. The gateway comprises a first communication interface which uses a first communication protocol and a second communication interface which uses a second communication protocol. The gateway is configured to transfer data from the first (111) to the second (112) communication interface and from the second communication interface to the first communication interface. The gateway also comprises a media converter (107) for converting service quality information from the first into the second communication protocol and from the second into the first communication protocol.

Description

technical field [0001] The invention relates to a gateway that transmits data from a communication interface using a first communication protocol to a communication interface using a second communication protocol. Background technique [0002] For data communication in vehicles, different standards and protocols are currently used. For example, data acquired by sensors is sent over the Controller Area Network (CAN) bus, multimedia data over the Media Oriented System Transport (MOST) bus, the Local Interconnect (LIN) bus for actuator and sensor communication, and the FlexRay bus transmission for data exchange in the application. During this period, however, the Ethernet standard is also gaining in importance in the on-board network of motor vehicles. As the electrification of vehicles and the consequent demands on mechanical separation increase, the demands on electrical systems in terms of decisiveness and quality are also increasing. More than ever, communication systems...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/12H04L69/08H04L69/18H04L67/565H04L12/40032H04L47/28H04L2012/40273
Inventor C·阿尔恩特S·布鲁纳H·齐内尔
Owner CONTINENTAL AUTOMOTIVE TECH GMBH