해상 멀티대역 네트워크를 위한 수직 핸드오버 프레임워크 설계 = Vertical Handover Framework for Maritime Multi-band Networks

국문 초록 (Abstract)

해상 멀티대역 네트워크에서 가용한 해상 통신들을 통합 운용하여 다양한 멀티미디어 서비스를 단절없이 제공하기 위해 수직 핸드오버 기술은 필수적이다. IEEE 802.21에서 육상 무선 네트워크를 위한 수직핸드오버 기술을 권고하나, 해상의 VHF, HF, 위성 네트워크는 고려되지 않아 해상 멀티대역 네트워크에 적용하기 어렵다. 본 논문에서는 해상 멀티대역 네트워크에 적용할 수 있는 수직 핸드오버를 위한 논리 구조와 참조 통신모델을 제안하고, 관련 명령어를 재정의한 수직핸드오버 절차를 제안한다. 이는 해상 멀티대역 네트워크 구현 시, 수직핸드오버에 대한 참조 모델로 유용하게 적용될 수 있다. 더욱이 해상 멀티대역 네트워크를 위한 수직핸드오버 기술은 IEEE 802.21과 연계되어 육상과 해상 전체를 아우르는 이기종 무선 네크워크의 실현에 적용할 수 있다.

다국어 초록 (Multilingual Abstract)

It is necessary for maritime multi-band networks, which provide ships with diverse and seamless multimedia services, to perform vertical handover. As IEEE 802.21 WG has standardized vertical handover technologies for terrestrial wireless networks that do not consider VHF, HF, satellite networks, they cannot be directly applied to maritime multi-band networks. In this paper, the vertical handover framework for use in maritime mutlti-band networks is proposed, which includes the logical architecture, the communication reference model, re-defined handover primitives, and the handover process. The proposed vertical handover for maritime multi-band network can be applied in the ocean alone, as well as to the heterogeneous wireless networks which embrace both terrestrial and maritime networks.

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