Performance Evaluation of a Method to Improve Fairness in In-Vehicle Non-Destructive Arbitration Using ID Rotation.
KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS(2017)
摘要
A number of automotive electronics-safety, driver assistance, and infotainment devices-have been deployed in recent vehicles. This raises new challenges regarding in-vehicular network arbitration. A performance analysis of non-destructive arbitration has revealed a fairness issue. The arbitration prioritizes without collisions, despite multiple simultaneous transmissions; however, the performances of the highest priority node and the lowest priority node are very different. In this paper, an ID-rotation arbitration method to solve the arbitration-fairness problem is proposed. The proposed algorithm was applied to several engine control units (ECUs), including a controller area network (CAN) controller. Experimental results showed that the algorithm improved the fairness as well as the total throughput within a specific performance constraint.
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关键词
Controller area network,in-vehicle network,MAC,media access control,non-destructive bitwise arbitration,automotive
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