SUMMA : sub-network mobility support using multi-channel assignment in wireless sensor network = 무선 센서네트워크에서 멀티채널을 사용한 서브네트워크 이동의 지원sub-network mobility support using multi-channel assignment in wireless sensor network

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With the advance of sensor network hardware and software technology, sensor node can be significantly small and low power. So many wireless sensor network applications like reliable monitoring of environment for military and smart home application are being developed. At the early stage of sensor network research, sensor node is assumed to be immobile. But in a practical world, many sensor nodes are supposed to move although they do not have mobility mechanism. Sensor node can be attacked to moving vehicle such as human body, truck, ship and container. And also a group of sensor nodes can build a local sub-network in the sensor network. For example, if a man who is in the shopping mall has five sensor nodes in his body, then he can be considered as a local sub-network in sensor network for the reason of privacy and effective communication. In the view of evolvable sensor network and network life time, we must treat sub-network as a unique sensor network``s component like sensor node and base station. In this thesis we introduce network mobility concept in wireless sensor network and also introduce basic operation of mobile sensor node and mobile sub-network. Sensor network includes mobile sub-network and individual node that need special management scheme to guarantee their connectivity to main sensor network. In our sub-network support scheme, we propose gateway node which manage data transfer from sub-network to base-station and vice versa. Our sub-network mobility support scheme also gives efficient data transfer between base-station and sub-network by using routing path management and data aggregation. At last our sub-network mobility scheme use multi-channel assignment which can give privacy of sub-network. in the simulation we evaluate our proposed scheme and it``s result show that overhead of gateway election can be disregardful and benefit from routing path management and data aggregation is great.
Kim, Dae-Youngresearcher김대영researcher
한국정보통신대학교 : 공학부,
Issue Date
392491/225023 / 020034539

학위논문(석사) - 한국정보통신대학교 : 공학부, 2005, [ vii, 79 p. ]


mobility; sensor network; network-mobility; 네트워크 모빌리티; 모빌리티; 센서네트워크

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School of Engineering-Theses_Master(공학부 석사논문)
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