A message transmission method and device

A technology of message transmission and protocol message, which is applied in the field of communication, can solve the problems of multi-server resources and consumption, achieve the effects of good signal strength, reduce repeated messages, and reduce resource consumption

Active Publication Date: 2020-02-11
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the above transmission mode, the message sent by the terminal node only carries the address of the terminal node itself, and does not carry the address of the gateway. In this way, each gateway will receive and forward the message, causing the server to receive a large number of repeated messages, which consumes more server resources. resource

Method used

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  • A message transmission method and device
  • A message transmission method and device
  • A message transmission method and device

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Embodiment approach

[0146] As an implementation manner, the device may further include: a first determining module, a second determining module, a second sending module, a receiving module, a third determining module, and a third sending module (not shown in the figure), wherein:

[0147] The first determining module is used to determine the source of sending the LoRaWAN protocol message when the signal strength measured when the LoRaWAN protocol message is received is less than the second preset threshold for each LoRaWAN protocol message received The original communication gateway of the terminal node;

[0148] The second determining module is configured to determine a preset number of target gateways adjacent to the original communication gateway;

[0149] The second sending module is configured to send a closing filter instruction to the preset number of target gateways, so that each target gateway forwards the received LoRaWAN protocol message sent by the source terminal node to the server;

[0150]...

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Abstract

The embodiment of the invention provides a message transmission method and device. The method comprises the steps that: a server allocates a communication gateway to a terminal node, wherein a communication gateway address of the terminal node is carried in a LoRaWAN protocol message sent by the terminal node; a gateway which receives the LoRaWAN protocol message reads the gateway address carriedin the message; and only in a case of determining that the read gateway address is an address of the gateway, forwarding the message to the server. Therefore, in the scheme, only the communication gateway forwards the LoRaWAN protocol message, so that in the first aspect, repeated messages received by the server are reduced, and resource consumption of the server is reduced, and in the second aspect, a link formed by the communication gateway allocated to the terminal node and the terminal node is high in communication quality, the communication gateway forwards the LoRaWAN protocol message, and the signal intensity is high.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to a message transmission method and device. Background technique [0002] LoRa is a kind of LPWAN (Low Power WAN, low power consumption wide area network) communication technology, is a kind of ultra long-distance wireless transmission scheme based on spread spectrum technology. This solution has been widely used due to its advantages such as long distance, low power consumption, multiple nodes, and low cost. The currently more commonly used protocol in this scheme is the LoRaWAN protocol. [0003] In the application of LoRaWAN protocol network, such as figure 1 As shown, there are multiple terminal nodes, multiple gateways, and servers. The transmission mode in the LoRaWAN protocol is usually: the terminal node sends the message to the gateway, and the gateway forwards the received message to the server for processing. [0004] In the above transmission method, the messag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
Inventor 李华
Owner NEW H3C TECH CO LTD
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