Design and Evaluation of Scalable CAN Protocol for In-vehicle Networks
Bibliographic Information
- Other Title
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- スケーラブルCAN プロトコルの設計と評価
- スケーラブル CAN プロトコル ノ セッケイ ト ヒョウカ
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Abstract
In this paper, a new high-speed bus topology LAN protocol for automobiles is proposed and its compatibility with the traditional CAN protocol is discussed. The transfer rate of traditional CAN cannot be increased due to its bitwise arbitration using message priority and acknowledgment mechanisms. Our proposed protocol avoids collisions by assigning one or more time slots to each ECU within a communication cycle. ACK is informed through the ACK bits included in the header of each frame. Based on this protocol, we implemented a 5 Mbit/s LAN system on which the existing software for CAN is used with small modifications. According to our evaluation, the proposed protocol achieves a short synchronization time during system start-up.
Journal
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- Transactions of Society of Automotive Engineers of Japan
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Transactions of Society of Automotive Engineers of Japan 43 (2), 509-514, 2012
Society of Automotive Engineers of Japan
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Details 詳細情報について
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- CRID
- 1390001204614681216
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- NII Article ID
- 40019254793
- 130004515767
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- NII Book ID
- AN00105913
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- ISSN
- 18830811
- 02878321
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- NDL BIB ID
- 023632853
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed