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Global-MAHN에서 지역경로복구를 이용한 네트워크 오버헤드 최소화에 대한 연구
장양근,김재호,배진승,하재승,유충렬,김현욱,이광배,Jang, Yang-Geun,Kim, Jae-Ho,Bae, Jin-Seung,Ha, Jae-Seung,You, Choong-Yeul,Kim, Hyun-Wook,Lee, Kwang-Bae 한국전기전자학회 2007 전기전자학회논문지 Vol.11 No.4
최근들어 신속히 네트워크를 구성할 수 있는 MANET 환경하에서 MANET 단말기 이용자가 언제, 어디서나 유선 기반망에 접속하여 원하는 정보를 제공 받을 수 있는 유비쿼터스 네트워크의 중요성이 부각되고 있다. 제안한 알고리즘은 자치분산네트워크인 MANET과 유선 인터넷 기간망과의 연결을 위해 필요한 효율적인 게이트웨이 설정방식을 제안한 GMAHN환경에서 경로상에 에러가 발생하였을 경우 경로 재설정시 생성되는 불필요한 네트워크 부하를 사전에 방지하여 네트워크 부하를 최소화 하며 효율적인 데이터 전송을 위해 지역복구 기법을 적용한 알고리즘에 관한 연구이다. Recently, The importance of Ubiquitous network that can be supported useful information to MANET mobile device user through wired internet network in anywhere, anytime is growing rapidly. This proposed algorithm is the research on the algorithm, minimizing network overhead by preventing unnecessary network overhead previously and adapting Local repair mechanism to efficient data transmission when route error happens in network, in GMAHN environment.
Global-MAHN에서 라우팅 오버헤드 개선에 대한 연구
張良根,金玄旭,李光培,吳世德,裵振勝,金在浩 明知大學校 産業技術硏究所 2007 産業技術硏究所論文集 Vol.26 No.-
In this Paper, we studied the mechanism that increases the network reliability and decreases network load in GMAHN environment based on the AODV routing protocol. This proposed algorithm is the research on the algorithm, minimizing network overhead by preventing unnecessary network overhead previously and adapting Local repair mechanism to efficient data transmission when route error happens in network, in GMAHN environment. To evaluate the proposed algorithm's performance, we analyzed the proposed algorithm and adapting in various experiment environment according to 5 experiment viewpoint such as node movement, gateway network zone, mobile node number, flow number. After evaluating the experiment, we confirmed better network improvement altogether through following result such as total average data reception rate's increase, average data transmission time's decrease, network overhead's decrease than existing GMAHN algorithm.
GMAHN 환경에 적응하는 에러 복구기능을 이용한 AODV 라우팅 프로토콜
정찬혁,오세덕,배진승,이기원,장양근,이광배,김현욱,유충렬,하재승 明知大學校 産業技術硏究所 2006 産業技術硏究所論文集 Vol.25 No.-
Mobile nodes in ad hoc mobile networks typically communicate over wireless channels and are capable of movement. These are networks that support multihop communication and can be formed on a temporary basis. This paper proposes a solution that allows mobile nodes to access the wired Internet and to roam from base station to base station. And we also develop the efficient method that adapts in Global MANET which can be changed over time. It is observed that we can reduce not only error detection time but also network load, thus increasing the data reception rate in Global MANET Environment.
吳世德,金玄旭,李光培,張良根,裵振勝,金在浩 明知大學校 産業技術硏究所 2007 産業技術硏究所論文集 Vol.26 No.-
Recently, GMAHN that provides interface between MANET and Wired Network has been focused in Mobile Communication. It is necessary that The technology provide reliable data transmission technology between mobile node and wired network in MANET environment that varing by the node movement. In this paper, using the TCP protocol(Tahoe, Reno, Vegas, SACK)that increases reliability between source and destination, we applied the TCP protocol mechanism to various environment, and compared result, and also proposed the efficient TCP mechanism by comparing each mechanism.