Network fault maintenance method based on power line carrier communication
A power line carrier and fault technology, applied in wireless communication, distribution line transmission system, network topology, etc., can solve the problem of time-consuming and affect the normal operation of nodes, and achieve the effect of saving time
Active Publication Date: 2022-07-05
国网甘肃综合能源服务有限公司
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Problems solved by technology
The process of locating faults takes a lot of time and affects the normal operation of all nodes in the network
Method used
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Embodiment 1
[0079] The present invention is achieved through the following technical solutions, such as figure 1 Shown is a schematic diagram of the networking of the fusion of power line carrier communication and micro-power wireless communication. In the networking, the concentrator acts as the central node, and the central node is in the first-level network; several nodes are established into multiple-level networks, each level The network includes at least one cluster head node, the central node of the first-level network communicates with the cluster head node in the next-level network, the cluster-head node of the upper-level network and the cluster-head node of the lower-level network, until all levels Each cluster head node is connected to several slave nodes of the same level, and the slave nodes connected to the same cluster head node are called neighbor slave nodes.
[0080] Aiming at the above networking network, the present invention proposes a network fault maintenance metho...
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The invention relates to a network fault maintenance method based on power line carrier communication. node, select any idle state slave node as the replacement node of the faulty slave node; if there is a cluster head node failure in the networking, find the cluster head node of the same level closest to the faulty cluster head node as the faulty cluster head node The replacement node of the node; if there is a channel failure of the slave node in the networking, the channel between the slave node and the cluster head node of the current level is re-established; if there is a channel failure of the cluster head node in the networking, the cluster head node is re-established The channel between the cluster head node and the upper-level cluster head node, or the channel between the cluster head node and the central node is re-established. During the maintenance, the present invention does not need to shut down the network of the whole machine, does not affect the normal operation of fault-free nodes and channels, and saves a lot of time at the same time.
Description
technical field [0001] The invention relates to the technical field of power line carrier communication, in particular to a network fault maintenance method based on power line carrier communication. Background technique [0002] Power line carrier communication technology uses power line as a medium to transmit data, converts information into high-frequency signals and modulates the current in the power line, and extracts the signal through adjustment and transmits it to the computer for processing to realize the transmission of information. [0003] Power terminal communication technology mainly includes narrowband power line carrier communication, broadband power line carrier communication, and micro-power wireless communication. Narrowband power line carrier communication is divided into single-carrier communication mode and multi-carrier communication mode. Single-carrier communication has the advantage of long communication distance, but the communication rate is slow;...
Claims
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IPC IPC(8): H04B3/46H04B3/54H04B17/309H04B17/336H04W24/08H04W84/18
CPCH04B3/544H04B3/46H04B17/309H04B17/336H04W24/08H04W84/18Y04S40/126
Inventor 卢增元王喜全潘臻张娟
Owner 国网甘肃综合能源服务有限公司