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Design and Evaluation of Fast-Handover Mechanism Between Hetrogeneous Networks Considering the Location Management in PMIPv6

PMIPv6에서의 위치관리기법을 고려한 이 기종 망간의 Fast Handover 기법 설계 및 평가

  • Received : 2012.12.03
  • Accepted : 2012.12.11
  • Published : 2012.12.31

Abstract

As the wireless Internet become more widely accessible, variety of Internet services can be used without limitation of location. However, existing mobility management methods such as MIP and PMIP of IETF requires the load of heavy protocol stack on the mobile nodes or the addition of components such as LMA and MAG. In this paper, we proposed the location management technique in the PMIPv6 and Fast Handover technique. according to the moving pattern of the node, the location management technique proposed in order to adjust the paging area dynamically. The Fast Handover technique applied MIH technology and it reduced the handover signal processing time between heterogeneous network. The location management cost in the environment which the node moves in order to evaluate this and handover delay time was calculate. The proposal technique was efficiently more evaluated than PMIPv6 with the smallest 29% and maximum 83%.

무선 인터넷 서비스가 활성화 되면서 현재 많은 사용자들은 공간에 제약 없이 다양한 인터넷 서비스들을 사용할 수 있게 되었다. 그러나 기존의 모바일 노드의 이동성 보장을 위한 IETF의 MIP, PMIP 등과 같은 이동성 관리 기법들은 모바일 노드에 무거운 프로토콜 스택을 탑재하게 하거나 LMA, MAG 등과 같은 신규 구성 요소 추가 등의 문제점을 안고 있다. 이를 위해 본 논문에서는 PMIPv6에서의 위치관리기법과 Fast Handover 기법을 제안하였다. 위치관리기법은 노드의 이동패턴에 따라 페이징 영역을 동적으로 조정하도록 제안하였고, Fast Handover 기법은 MIH 기술을 적용하여 이 기종 네트워크간의 핸드오버 신호 처리 시간을 단축하였다. 이를 평가하기위해 노드가 이동하는 환경에서의 위치관리비용과 핸드오버 지연시간을 계산하였고, 제안기법이 PMIPv6보다 최소 29%, 최대 83% 더 효율적으로 평가되었다.

Keywords

References

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