이종 무선네트워크에서 가상인터페이스기반 수직적 핸드오버 실증 성능 평가
Experimental Performance Evaluation of Vertical Handover with Virtual Interface in Heterogeneous Mobile Networks
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초록
본 논문에서는 이종 무선네트워크간의 수직적 핸드오버를 할 때 네트워크 접속 물리 인터페이스의 전환에 따른 서비스 단절을 방지하고 3세대 무선네트워크 이동성 관리와 일관성을 유지하여 이동성 관리의 편의를 제공할 수 있는 가상 인터페이스 기반의 Simple IP 에뮬레이션 방법을 제안한다. 제안된 방법의 실증적 실험을 통해 가상 인터페이스의 미적용시와 핸드오버 시간을 비교하여 핸드오버 성능 개선을 확인하였다.
Abstract
In this paper, we propose a mobility management scheme which has a simple IP emulation method based on virtual interface. This scheme supports prevention of service abortion resulting from RAT (Radio Access Technology) interface switching during vertical handover and provides mobility management convenience according to maintenance of consistency in simple IP mobility management scheme of 3rd generation mobile network. Through the empirical experiments of proposed method, we check out the improvement of handover performance of the proposed scheme based on vertical handover latency comparing with a non-virtual interface system.
참고문헌 (22)
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