The Transactions of the Korean Institute of Electrical Engineers D (대한전기학회논문지:시스템및제어부문D)

The Korean Institute of Electrical Engineers (대한전기학회)
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Performance Improvement of Message Transmission over TCN(Train Communication Network)

TCN을 통한 메시지 전송 능력 향상에 관한 연구

  • 최명호 (인하대학 정보통신대학원) ;
  • 문종천 (인하대학 정보통신공학과) ;
  • 박재현 (인하대학 정보통신공학과)
  • Published : 2004.10.01
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Abstract

The data transmission over MVB(Multifunction Vehicle Bus) of TCN(Train Communication Network) is divided into the periodic transmission phase and the sporadic transmission phase. TCN standard recommends the event-polling method as the message transfer in the sporadic phase. However, since the event-polling method does not use pre-scheduling to the priority of the messages, it is inefficient for the real-time systems. To schedule message transmission, a master node should know the priority of message to be transmitted by a slave node prior to the sporadic phase, but the existing TCN standard does not support any protocol for this. This paper proposes the slave frame bit-stuffing algorithm, with which a master node gets the necessary information for scheduling and includes the simulation results of the event-polling method and the proposed algorithm.

Keywords

References

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