An Efficient Network Mobility Handoff Scheme Based on Movement Pattern of a Train

이동예측이 가능한 철도차량의 이동성을 기반으로 한 네트워크 이동성 핸드오프 방안

  • 이일호 (서울산업대학교 철도전문대학원) ;
  • 이준호 (서울산업대학교 전자정보공학과)
  • Published : 2007.12.31


In this paper, we propose an efficient seamless handoff scheme to minimize packet loss and unnecessary packets on the Internet using the peculiar mobility characteristics of public vehicles such as trains. MR (Mobile Router) in a train visits each AR (Access Router) in the fixed order. As the MR detects reachability to the NAR (Next Access Router) on the new link, the PAR (Previous Access Router) can directly deliver packets from MR's HA (Home Agent) to the NAR according to the HML (Handoff Mobile router List). Then. the NAR buffers them until the MR finishes L3 (Layer 3) handoff procedure with the NAR. Therefore, our scheme can support a seamless handoff without the packet loss and unnecessary packets on the Internet. The result of our performance evaluation has shown that the proposed scheme could provide excellent performance, compared with the NEMO basic support protocol and the Bi-casting protocol.


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