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A broadcasting method and system

A technology of broadcasting frames and broadcasting channels, applied in the field of electric power system, can solve the problems of unfavorable new aggregation nodes and access nodes joining in time and being unable to send out immediately, etc.

Active Publication Date: 2022-06-21
NANJING INRICH TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0017] The technical problem to be solved by the present invention is: in the existing wireless sensor network protocol for power equipment, the periodic broadcast mode is not conducive to the timely and fast addition of new convergence nodes and access nodes, and the temporarily increased broadcast information will be delayed according to the broadcast cycle to be sent, not immediately

Method used

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  • A broadcasting method and system

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Embodiment Construction

[0041] The implementation of the present invention will be specifically described below.

[0042] In the broadcasting method of the present invention, in a power transmission network including a service terminal node, an aggregation node, an access node and an access gateway, the broadcasting node is an access gateway or an access node, and correspondingly, the forwarding node is an access node or an aggregation node, The aggregation node is one or more. When a new aggregation node or access node is connected to the power transmission network, or there is an emergency broadcast control signaling, active broadcast is adopted. When active broadcast, the broadcast node actively sends broadcast frames, and the forwarding node Actively forward broadcast frames, and use periodic broadcast for the rest.

[0043] The present invention preferably provides two implementation solutions.

[0044] Option 1: Use the existing broadcast architecture.

[0045] like image 3 As shown, the br...

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Abstract

A broadcasting method and system, in a power transmission network including a service terminal node, a convergence node, an access node and an access gateway, the broadcast node is an access gateway or an access node, and correspondingly, the forwarding node is an access node or a convergence node There are one or more converging nodes, which actively broadcast and forward when broadcasting, the broadcasting node actively sends the broadcast frame, and the forwarding node actively forwards the broadcast frame. The present invention also proposes a broadcast system, in which a network protocol is configured in the service terminal nodes, convergence nodes, access nodes, and access gateways of the power transmission network, and a network data connection is established according to the network protocol, and the network protocol implements the broadcast method . The present invention defines an active broadcast process, which is beneficial for timely node access or emergency broadcast control signaling; the two schemes proposed by the present invention are applicable to different scenarios and can effectively handle various active broadcasts.

Description

technical field [0001] The invention belongs to the technical field of electric power systems, relates to a broadcasting technology in a wireless sensor network of electric power equipment in a power transmission network, and relates to a broadcasting method and system. Background technique [0002] As the aorta of the power system, the transmission network undertakes the important function of long-distance, large-capacity electric energy transmission. Therefore, it is necessary to effectively monitor the transmission network and collect relevant data, such as the monitoring of towers and the monitoring of substations. Specifically, this type of data is obtained by sensors, which are terminal data sources. Sensors include wireless sensors and wired sensors, and wireless sensors include micro-power and low-power sensors. [0003] In the transmission network, the sink node collects the terminal data of the sensor and sends it to the access node. An access node can be wired a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W74/08H04W4/38
CPCH04W4/06H04W74/085H04W4/38
Inventor 吴斌周超然杨寅
Owner NANJING INRICH TECH
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