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A Study on Efficient Multicast Technique using Virtual Group based on Geographic Information in MANET  

Yang, Hwan Seok (중부대학교/정보보호학과)
Publication Information
Convergence Security Journal / v.17, no.5, 2017 , pp. 87-92 More about this Journal
Abstract
MANET is a network composed itself because mobile nodes are connected wirelessly. It has been applied to various fields for group communication. However, the dynamic topology by the movement of the nodes causes routing failure frequently because it is difficult to maintain the position information of the nodes participating in the group communication. Also, it has a problem that network performance is decreased due to high overhead for managing information of member nodes. In this paper, we propose a multicast technique using location-based 2-tier virtual group that is flexible and reliable in management of member nodes. The network is composed of cellular zones and the virtual group is constructed using the location information of the nodes in the proposed technique. The virtual group management node is selected to minimize the overhead of location information management for member nodes in the virtual group. In order to improve the reliability for management of member nodes and multicast data transmission, it excludes the gateway node with low transfer rate when setting the route after the packet transmission rate of the member nodes is measured. The excellent performance of the proposed technique can be confirmed through comparative experiments with AMroute method and PAST-DM method.
Keywords
Geographic Information; Multicast Routing; Virtual Group; Mobile Ad-hoc Network;
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