Routing method of hybrid network formed by honeycomb network and self-combining network
A hybrid network and ad hoc network technology, applied in the direction of data exchange through path configuration, radio/induction link selection and arrangement, selection of devices, etc., can solve problems such as low efficiency and complex implementation, and achieve overall performance improvement and burden reduction. , Improve the effect of communication connection speed
Inactive Publication Date: 2009-02-04
THE PLA INFORMATION ENG UNIV
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[0020] The purpose of the present invention is to provide a routing method for a hybrid network composed of a cellular network and an ad hoc network, to overcome the complex and low-efficiency shortcomings of the hybrid network routing protocol in the prior art, to establish and maintain an efficient routing method, and to reduce the complexity of the hybrid network. The load of the base station in the network realizes the communication between mobile terminals in the hybrid network and improves the overall performance of the network
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[0062] The core of the present invention is to establish a self-centered virtual subnet on each node in the hybrid network, and maintain a local node route including routes from the current node to other nodes in its virtual subnet and to its home base station Each node maintains the validity of each routing entry in its own routing table by periodically broadcasting Neighbor Notice (NN, Neighbor Notice) packets to neighboring nodes. When two nodes need to communicate, the source node selects a communication path according to its own routing table to complete the communication process. When the destination node belongs to its own virtual subnet, the route in the routing table adopts pure ad hoc multi-hop communication; when the destination node does not belong to its own virtual subnet, if the source node is within the coverage of the base station, use Pure cellular communication, if the source node is outside the coverage of the base station, a hybrid communication method com...
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The invention discloses route method for hybrid network constituted from cellular network and self-organized network. The method includes steps: each node in the hybrid network builds up virtual network by regarding oneself as the center; establishing route table on each node to maintain route between this node to other each node in the virtual network as well as route between each node to its home base station; when communication is needed for two nodes, based on own route table, source node selects communication route to accomplish communication procedure. Building and maintaining route mode in high performance in hybrid network, the invention implements communication between mobile terminals, lightens load on base station in hybrid network, improves performance of network. Moreover, through relay of other nodes, the invention makes nodes outside coverage of base station enjoy service of cellular network so as to widen coverage of base station.
Description
technical field [0001] The invention relates to the technical field of a hybrid network composed of a cellular network and an ad hoc network, in particular to a routing method for a hybrid network composed of a cellular network and an ad hoc network. Background technique [0002] MANET (ad hoc network) originated from military applications. After years of research and development, its application targets have been expanded to civilian fields such as home networks and personal wireless mobile communications. Ad hoc network is a wireless mobile communication network composed of a group of mobile nodes with wireless transceiver devices. It does not depend on the preset infrastructure and is temporarily established. The mobile nodes in the network use their own wireless transceiver devices to exchange information. , when they are not within the communication range of each other, multi-hop communication can be realized by relaying with other intermediate nodes. When the intermed...
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IPC IPC(8): H04L12/28H04Q7/22
Inventor 于宏毅杨锦亚张效义齐卫宁陈曦
Owner THE PLA INFORMATION ENG UNIV