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LoRa-Mesh networking method based on wake-up in air and mobile terminal network access method

An intelligent mobile terminal and networking technology, applied in network topology, network data management, network flow/resource management, etc., can solve problems such as high battery energy consumption and short network survival time, reduce costs and risks, and ensure transmission and reception Wireless data stability and the effect of reducing maintenance costs

Active Publication Date: 2022-04-19
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

When the table-driven routing protocol is used, if the network topology changes, the nodes will propagate and update messages throughout the network to maintain consistent and up-to-date routing information about the entire network, the battery energy consumption is high, and the network survival time is relatively short

Method used

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  • LoRa-Mesh networking method based on wake-up in air and mobile terminal network access method
  • LoRa-Mesh networking method based on wake-up in air and mobile terminal network access method
  • LoRa-Mesh networking method based on wake-up in air and mobile terminal network access method

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Embodiment Construction

[0052] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0053] The LoRa-Mesh networking method based on wake-up in the air of the present invention is used to meet the network access requirements of key public infrastructure monitoring terminals of tunnels. like figure 1 As shown, the applicable scene of the present invention includes a tunnel, a plurality of monitoring terminals installed in the tunnel as LoRa nodes, a gateway for networking with the LoRa node, a cloud server conn...

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Abstract

The invention provides a LoRa-Mesh networking method based on over-the-air wakeup, which comprises the following steps: S0, taking a monitoring terminal which acquires information as a source node, and taking a gateway as a destination node; s1, a source node starts a sending task; s2, judging whether the source node can be jumped to the destination node or not, if so, turning to S6, and if not, continuing S3; s3, judging whether an available route exists in the routing table of the source node or not; if yes, executing S5; otherwise, executing S4; s4, the source node starts routing discovery of the AODV protocol fusing the wakeup and waiting mechanism; s5, unicast the RREP to the source node, and updating the routing table of the source node; and S6, establishing a connection from the source node to the destination node. The invention also provides a corresponding mobile terminal network access method. According to the networking and mobile terminal network access method, the monitoring range of ground key public infrastructures is wider, and the network power consumption is reduced to the maximum extent while the stability of wireless data receiving and transmitting is ensured.

Description

technical field [0001] The invention relates to the field of wireless sensor network access, in particular to a LoRa-Mesh networking method based on wake-up in the air and a mobile terminal network access method. Background technique [0002] In the road, bridge and tunnel scenarios of super-large cities, there are a large number of ground critical infrastructures. In order to realize the systematization and intelligent monitoring of the operation signs of key public facilities on the ground, it is necessary to study the ubiquitous access of key public infrastructures. [0003] At present, wireless sensor networks have been introduced into urban monitoring to improve the stability and efficiency of vital signs monitoring of key urban ground infrastructure. In terms of wireless communication, high-frequency wireless communication technologies such as Wi-Fi, Bluetooth, and ZigBee will be subject to many restrictions due to their short transmission distances. [0004] In the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L45/02H04W4/06H04W28/02H04L45/00H04L45/12H04L45/24H04W4/80H04W8/26H04W24/08H04W40/24H04W84/18H04W88/10H04W88/16
CPCH04W40/246H04W40/248H04W40/28H04L45/026H04W84/18
Inventor 朱磊基熊勇许宝建赵凯姚炜
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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