The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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A Study for Implementation of HMIPv6 in all-IP WDM-PON

All-IP WDM-PON 액세스 네트워크에서 HMIP 실현 연구

  • 이성근 (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실) ;
  • 임태형 (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실) ;
  • 서경린 (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실) ;
  • 박진우 (고려대학교 전자컴퓨터공학과 차세대 네트워크 연구실)
  • Published : 2008.05.31
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Abstract

In this paper, we propose the next-generation broadband wireless access network architecture, which is based on the wavelength division multiplexing-passive optical network(WDM-PON), and efficient mobility management scheme to support quality-of-service(QoS) of multimedia services in the next-generation wireless network. By adapting WDM-PON technology to wireless access network, the proposed scheme can realize broadband wireless access network. In addition, We utilize newly proposed local channels between optical network units(ONUs) or subnets in order to support the fast and efficient local data and handoff data transmission. We evaluate the performance of the proposed scheme in terms of handoff delay and packet loss thru computer simulation. Thru various computer simulation results, we verified the superior performance of the proposed scheme by comparing with the results of other schemes.

본 논문에서는 차세대 무선 네트워크에서 품질이 보장된 광 대역의 멀티미디어 서비스를 제공하기 위하여 Wavelength Division Multiplexing-Passive Optical Network(WDM-PON) 기반의 무선 액세스 네트워크 및 효율적인 이동성 지원 프로토콜을 제안한다. 제안된 차세대 무선 액세스 네트워크는 WDM-PON 기술을 활용하여 광대역의 무선 액세스 네트워크를 구성하며, 새롭게 제안된 로컬 채널을 활용하여 서브 액세스 네트워크간의 빠르고 효율적인 로컬 데이터 및 핸드오프 데이터를 전송한다. 제안된 IP 기반의 이동성 지원 프로토콜은 초기 데이터 전송 시 이동 노드에게 최적화된 경로를 제공함으로써 데이터 전송의 효율성을 증가시킨다. 또한, 제안된 방식은 Hierarchical Mobile IPv6(HMIPv6)와 Fast Handovers for MIPv6(FMIPv6)의 장점들을 효과적으로 결합하여 빠르고 효율적인 핸드오프를 지원함으로써 이동 노드에게 품질이 보장된 신뢰성있는 서비스를 제공한다. 제안된 방식의 성능 분석은 컴퓨터 시뮬레이션을 통하여 이루어졌으며, 다양한 네트워크 환경에서 핸드오프 지연시간, 패킷 손실 등에 대하여 기존의 방식과 비교 분석하였다.

Keywords

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