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Hierarchical and regular mesh network routing method

A layered and networked technology, applied in the field of communication, can solve problems such as service adaptation, link state routing protocol path failure, and single path protocol that cannot make reasonable use of network resources, so as to achieve the effect of improving adaptation ability and fault tolerance

Inactive Publication Date: 2011-08-10
CHONGQING UNIV
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Problems solved by technology

[0006] The technical problems to be solved by the present invention are: to overcome the problem that a single link quality evaluation index cannot comprehensively evaluate the link quality of a link, to solve the problem that single-path protocols cannot rationally utilize network resources; Invalidation and service adaptation of different QoS requirements

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  • Hierarchical and regular mesh network routing method
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  • Hierarchical and regular mesh network routing method

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Embodiment Construction

[0034] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0035] The basic ideas of the present invention are as follows: the wireless mesh network formed by the nodes forms a regular virtual hierarchical structure through an effective topology control strategy, and then selects a routing protocol based on location or link state according to the QoS requirements of different types of services, and sends the data packets to the destination node.

[0036] 1. Link state routing protocol

[0037] Such as Figure 9 As shown, all nodes in the entire network periodically send hello packets, and the hello packets are flooded in the entire network. When node b receives a hello message from a surrounding node and contains its own node ID, it will establish a neighbor relationship with the node and add the node to the neighbor table. Afterwards, the hello message initiated by node b will carry information related to the ne...

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Abstract

The invention provides a hierarchical and regular mesh network routing method in the technical field of communications, which comprises the steps as follows: routing on a mesh network is realized by building a hierarchical and regular network topology structure; the hierarchical and regular network topology structure consists of the actual network nodes of a pyramid topology; a mesh network of a plane structure is firstly formed by the actual network nodes; then regular virtual plot topologies are formed by a valid topology control strategy; the virtual plot consists of actual network entities; under the hierarchical and regular network topology structure, a comprehensive link quality assessment index is adopted to describe the quality of a link between the virtual plots in the network as well as between the actual nodes; and the mesh network routing realizes the adaptation of the QoS (quality of service) demands and protocol and path quality by adopting a routing protocol based on geographical positions and link states. The hierarchical and regular mesh network routing method has the obvious effects of improving the adaptation capacity of the mesh network routing for channels and services, the fault-tolerance and load balancing of the mesh network and the QoS performance of the services.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a wireless mesh network routing mechanism. Background technique [0002] In terms of network construction, wireless communication has the advantages of rapid network deployment and support for mobility or nomadism. However, compared with wired channels, the biggest feature of wireless (mobile) channels is that their channels are time-varying, while wired channels are relatively stable. Due to factors such as the mobility of wireless nodes, time-varying wireless channels, and interference, the topology of wireless networks varies greatly and the reliability of wireless links is lower than that of wired links. Wireless mesh network routing protocols draw on the research results of Ad hoc network routing in recent years, but the goal of Ad hoc network routing protocols is generally to adapt to rapidly changing multiple topologies, and the criterion such as the shortest hop co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/12H04W40/22H04W40/24
CPCY02D30/70
Inventor 胡致远刘云宏李宁姜建伦柏崧王晓翔黄东王景袁研根
Owner CHONGQING UNIV
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