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lora communication network and its communication method

A communication network and communication method technology, applied in the LoRa communication network and its communication field, can solve the problems that LoRa communication cannot realize real-time communication, channel congestion and frame loss, and achieve the effect of low cost and high concurrency.

Active Publication Date: 2021-12-17
NINGBO FOTILE KITCHEN WARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defect that the LoRa communication based on single-channel chip is prone to channel congestion and frame loss in the prior art, and the LoRa communication based on multi-channel chip cannot realize real-time communication, and provides a LoRa Communication network and its communication method

Method used

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  • lora communication network and its communication method
  • lora communication network and its communication method
  • lora communication network and its communication method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A LoRa communication network, such as figure 1 As shown, the LoRa communication network includes a LoRa gateway 1 and a plurality of LoRa nodes 2 connected with the LoRa gateway 1, and the LoRa gateway 1 is provided with a single-channel chip 3 and a multi-channel chip 4;

[0048] The LoRa gateway 1 is used to carry out the registration networking of the LoRa node 2 through the single-channel chip 3;

[0049] The LoRa gateway 1 is used for data transmission of the LoRa node 2 through the multi-channel chip 4 .

[0050] Wherein, the multi-channel chip 4 includes a sending channel and a plurality of receiving channels, the sending channel of the multi-channel chip 4 corresponds to a downlink frequency point, and the receiving channel of each multi-channel chip 4 corresponds to an uplink frequency point;

[0051] The LoRa node 2 is used to upload data to the LoRa gateway 1 through the uplink frequency of the multi-channel chip 4;

[0052] The LoRa gateway 1 is used to se...

Embodiment 2

[0057] The LoRa communication network of this embodiment is further improved on the basis of Embodiment 1, see figure 1 , each LoRa node 2 is connected with an external device 5, the single-channel chip 3 includes a sending channel and a receiving channel, the sending channel of the single-channel chip 3 corresponds to a downlink frequency point, and the receiving channel of the single-channel chip 3 The channel corresponds to an uplink frequency point;

[0058] Each LoRa node 2 is used to upload a connection request through the uplink frequency point of the single channel chip 3;

[0059] The LoRa gateway 1 is used to receive the connection request and send setting information to each LoRa node 2, and the setting information includes the ID information of each LoRa node 2 and the ID information corresponding to each LoRa node 2. Uplink frequency point information and downlink frequency point information of the multi-channel chip 4;

[0060] Each LoRa node 2 is used to uploa...

Embodiment 3

[0067] The LoRa communication network of this embodiment is further improved on the basis of Embodiment 2. Each LoRa node 2 is also used to automatically select an SF value according to the received signal strength of the setting information, and through the single channel chip The uplink frequency of 3 uploads the SF value to the LoRa gateway 1;

[0068] The LoRa gateway 1 is further configured to send control information corresponding to the SF value to each LoRa node 2 based on the SF value.

[0069] It should be noted that in practical applications, some LoRa nodes are far away from the base station of the LoRa gateway, and a configuration with high sensitivity and slow speed should be used; some LoRa nodes are close to the base station, and a configuration with low sensitivity but high speed can be used. In the process of registration and networking, the LoRa node of this embodiment automatically selects the SF according to the received signal strength sent by the base st...

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Abstract

The invention discloses a LoRa communication network and a communication method thereof. The LoRa communication network includes a LoRa gateway and a plurality of LoRa nodes connected to the LoRa gateway, and the LoRa gateway is provided with a single-channel chip and a multi-channel chip; The LoRa gateway is used to perform registration and networking of the LoRa node through the single-channel chip; the LoRa gateway is used to perform data transmission of the LoRa node through the multi-channel chip. The single-channel chip and multi-channel chip matching scheme of this application customizes the protocol to realize the real-time status viewing and control of the equipment. There is no situation that if all the equipment is controlled at the same time, some equipment does not respond. In addition, it can also solve the problem of high concurrency , when viewing the device status at the same time, there will be no channel congestion and frame loss. At the same time, compared with other wide-area wireless communication technologies that can realize real-time communication, the cost is low.

Description

technical field [0001] The invention belongs to the field of wireless communication, and in particular relates to a LoRa communication network and a communication method thereof. Background technique [0002] In wireless communication technology, the main direction of LoRa communication is long-distance low-power multi-node, but due to the low rate, it will cause high delay. At present, the LoRa communication system mainly includes nodes and gateways. All LoRa nodes are wirelessly connected to a gateway. The gateway is responsible for uploading and sending data of all nodes in the network. The higher the communication rate of LoRa, the shorter the distance and the faster the communication rate. The lower, the farther the distance. [0003] There are currently two gateway solutions for the LoRa communication system: [0004] (1) 3 / 4 single-channel chips (such as SX1276 / 8) form a gateway with 3 / 4 LoRa channels and run a private protocol. For a gateway composed of a single-c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W28/02H04L5/00
CPCH04W4/70H04W28/0289H04L5/0001
Inventor 陈莉
Owner NINGBO FOTILE KITCHEN WARE CO LTD
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