인지 네트워킹 환경 하에서 체류시간 관리 최적화를 통한 사용자 이동성 모델 기반 이동성 관리방법의 성능평가

Performance Evaluation of User Mobility Management Scheme based-on Dwell Time Optimization for Effective Inter-working with Heterogeneous Networks under Cognitive Networking Environments

  • 최유미 (이화여자대학교 전자공학과) ;
  • 김정호 (이화여자대학교 전자공학과)
  • Choi, Yu-Mi (Dept. of Electronics Engineering, Ewha Womans University) ;
  • Kim, Jeong-Ho (Dept. of Electronics Engineering, Ewha Womans University)
  • 투고 : 2012.02.21
  • 심사 : 2012.05.18
  • 발행 : 2012.05.25

초록

다양한 서비스와 네트워크의 융합이 가속화되면서 이종 네트워크별 효과적 이동성 관리에 대한 중요성이 부각되고 있다. 본 논문에서는 이종 네트워크 중 이동 IP 네트워크의 구조에 적합한 이동성 모델을 고려하고 주어진 환경 하에서 사용자 이동에 따른 다양한 성능평가와 관련된 지수를 도출하고 이를 활용하기 위한 방안을 제시한다. 또한 미래의 스마트 인지 네트워킹 환경 하에서는 개별 사용자의 이동성이 체계적으로 관리되어야 네트워크 자원의 효율적 활용과 무선 접속을 위한 주파수 스펙트럼의 효과적 활용에 매우 중요하다. 기존의 이동성 모델은 개별 네트워크 측면에서 다루어지면서 새로운 융합 이종 네트워크 환경에 적용하는데 적합성이 낮으므로 새로운 이동성 모델을 고려하여 융합 네트워크의 성능을 평가하는데 유용할 것으로 기대된다.

The importance of mobility management is becoming to be one of the upcomming issues to be addressed to provide the converged services and the convergence of the heterogeneous network environments. In this paper, the new user mobility management scheme which can be utilized to model the user's mobility behaviors for interworking with heterogeneous overlay convergent networks under the time-varying radio propagation environment has been proposed. Thus user mobility management scheme based on user mobility model is considered in order to optimize the dwell time of users in the overlay convergent networks. This Mobile IP user mobility management will be very useful to model the user mobility behaviors and can be used to estimate the signaling traffic and frequency spectrum demands for massive data transfer for the heterogeneous overlay convergent networks.

키워드

참고문헌

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