Marketing information network transmission performance improvement method based on generalized expansion concentrator
A technology of transmission performance and concentrator, applied in the field of network transmission, can solve the problems such as the failure of normal uploading and downloading of authentication instructions, incomplete background registration of authentication information, and difficulty in data connection, saving node forwarding energy and network resources, and extending the network Life cycle, the effect of improving transmission performance
Pending Publication Date: 2022-02-11
国网青海省电力公司营销服务中心 +2
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Problems solved by technology
However, with the sharp increase in the data and communication requirements of on-site operation terminals, such as the on-site operation and maintenance personnel's management and control of seal usage, registration and certification during the power marketing operation and maintenance process, the existing narrowband / broadband power line carrier communication cannot meet various requirements. Different QoS requirements for different services lead to poor service transmission quality and difficult data connection
In remote areas, the packet loss rate of network transmission can even reach 25%, resulting in the failure of normal upload and download of authentication instructions, incomplete background registration of authentication information, etc., which greatly reduces the efficiency of operation and maintenance
Method used
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Embodiment 1
[0019] Embodiment 1, the present invention provides a method for improving the transmission performance of a marketing information network based on a generalized expansion concentrator, the steps of which are as follows:
[0020] The first step is to construct the power marketing informatization network empowerment graph, and abstract the power marketing informatization network into a directed weighting graph.
[0021] The abstraction of the power marketing informatization network as a directed weighted graph is expressed as: W=(P,E), where P={p sink ,p 1 ,p 2 ,...,p n} is the network node set; L={l 1 , l 2 ,...,l n} is the set of HPLC communication links between nodes; each node has a unique identifier, p sink is the actual concentrator node of network W, p i ,i=1,...,n is the smart meter; the effective transmission distance of each node in P θ 0 equal, then L={l i |D(p j ,p k )≤θ 0 ,p j ,p k ∈V}; and the adjacent node p j ,p k share the same wireless medium. ...
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A marketing information network transmission performance improvement method based on a generalized expansion concentrator relates to the technical field of electric power communication, reasonably expands actual concentrator nodes of a network, constructs the generalized expansion concentrator, and determines an optimal generalized expansion concentrator selection mode through theoretical calculation. And finally, an intelligent electric meter realizes reliable communication with the actual concentrator node through the generalized expansion concentrator. The beneficial effects of the method are that a group of acyclic connected point sets in an electric power marketing informatization network are selected and abstracted as generalized expansion concentrators; and when the intelligent electric meter reports data, the electric meter node realizes communication performance enhancement with the actual concentrator node through the generalized expansion concentrator according to an on-demand routing strategy. The optimal generalized expansion concentrator selection mode is determined through theoretical calculation, and the high probability that any node two hops in the network can reach the generalized expansion concentrator is ensured, so that the network transmission packet loss rate is effectively reduced, and the power marketing informatization network transmission performance is improved.
Description
technical field [0001] The invention relates to the technical field of network transmission, in particular to a method for improving the transmission performance of a marketing information network based on a generalized expansion concentrator. Background technique [0002] The electric power marketing information network can realize business management and control work such as the distribution of carrier modules and seals from the power grid marketing service center to prefectural companies, and the use of carrier modules and seals by on-site operation and maintenance personnel. However, with the sharp increase in the data and communication requirements of on-site operation terminals, such as the on-site operation and maintenance personnel's management and control of seal usage, registration and certification during the power marketing operation and maintenance process, the existing narrowband / broadband power line carrier communication cannot meet various requirements. Diffe...
Claims
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IPC IPC(8): H04L45/122H04L43/0829
CPCH04L45/122H04L43/0829
Inventor 薛晓慧郭志华贾枬芮光辉马健鹏高阳董永康孙剑锋崔胜胜余文金刘胜男郑海婷王中敏
Owner 国网青海省电力公司营销服务中心