Vehicle communication system based on controller-area network bus firewall
US10291583B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2017 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Apr 16, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A vehicle communication system boarded on a vehicle, comprises a main processor, a Controller Area Network (CAN) controller, and a bi-directional firewall module. The main processor is configured to send one or more CAN messages to the CAN controller and the CAN controller is configured to forward the CAN messages to a CAN through the bi-directional firewall module. The bi-directional firewall module further includes a vehicle status logger, a CAN message filter and a storage module, and the vehicle status logger is configured to check the vehicle's status by collecting diagnostic parameters from ECUs, the storage module is configured to store a white-list and a black-list, and the CAN message filter is configured to selectively choose one of the white-list and the black-list according to different statuses of the vehicle and apply the one of the white-list and the black-list to the CAN messages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.