Switching method for wireless mesh network
A wireless mesh network and mesh network technology, applied in the field of wireless mesh network handover, can solve problems such as low efficiency in handling IP mobility, eliminate triangular routing problems, reduce update costs, and improve efficiency.
Active Publication Date: 2012-08-08
THE HONG KONG POLYTECHNIC UNIV
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[0017] The present invention is a routing-based micro-mobility solution for wireless mesh networks. The technical problem to be solved by the present invention is to address the low efficiency of IP mobility in the prior art and the possible existence of mobile clients The triangular routing problem between , providing a handover method for wireless mesh networks
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[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0038] figure 1 is a schematic diagram of a network architecture of a cellular IP (CIP) network in the prior art, figure 2 It is a schematic diagram of the network architecture of the HAWAII network in the prior art, and the switching method for the wireless mesh network adopted in the present invention is the same as figure 1 and figure 2 Compared with the existing technology of iMesh, its advantages are obvious.
[0039] image 3 It is a flow chart of a handover method for a wireless mesh network according to a preferred embodiment of the present invention. Such as image 3 As shown, the ...
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The invention relates to the technical field of the wireless mesh networks and discloses a switching method for the wireless mesh network. The method comprises the following steps: (A) adopting a minimum dominating set algorithm to select an agent router in a plurality of mesh network routers and updating the agent router at specific time; (B) selecting one optimal mesh network router as a first mesh network router to establish association when a mobile client accesses the mesh network and sending association information to the agent router by the first mesh network router; and (C) when the mobile client is switched due to movement, selecting a novel mesh network router as a second mesh network router to establish association and sending novel association information to the agent router and the first mesh network router by the second mesh network router. By the switching method for the wireless mesh network, which is disclosed by the invention, the cost of updating the association information due to switching is reduced and the efficiency that the wireless mesh network process mobility is improved.
Description
technical field [0001] The present invention relates to the technical field of wireless mesh networks, and more specifically, to a switching method for wireless mesh networks. Background technique [0002] Wireless Mesh Networks (WMNs) are dynamic self-organizing and self-configuring multi-hop systems in which network devices assist each other in sending packets across the network. A WMN consists of two types of nodes: mesh routers and mesh clients. Unlike the routing function of a gateway / bridge that acts as a conventional wireless network router, a mesh router includes additional routing functions that support mesh networking. Through multi-hop communication, mesh routers can achieve the same coverage by consuming less transmit power. In order to further improve the flexibility, reliability, and performance of the mesh network, mesh network routers are usually configured with multiple wireless interfaces using the same or different wireless access technologies. The netwo...
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IPC IPC(8): H04W36/12H04W40/36H04W84/18
Inventor 吴维刚曹建农邹洋刘楚达
Owner THE HONG KONG POLYTECHNIC UNIV