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LORA relay self-networking method

An ad hoc network and relay node technology, applied in the direction of network topology, electrical components, wireless communication, etc., can solve the problems of low communication range, spending a lot of time, unavailability of communication, etc., to optimize the networking process and increase communication. effect of distance

Inactive Publication Date: 2018-12-07
云端智造(广州)物联网科技有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the traditional sense, wireless narrowband networking is static, non-dynamic, and has a low communication range and is fixed. It takes a lot of time to maintain the state of the network topology. The addition or deletion of nodes will cause network shocks and make communication unavailable.

Method used

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  • LORA relay self-networking method

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Embodiment 1

[0020] Such as figure 1 As shown, a LORA relay ad hoc network method, the state of the ad hoc network is divided into networking state and normal working state, due to the mobility of the end node, so set 30 seconds as a cycle, 0-2 seconds as In the networking stage, 3-30 seconds is the normal communication stage, and the above cycle can be adjusted according to the situation.

[0021] The LORA relay ad hoc network is composed of gateway nodes, relay nodes and terminal nodes.

[0022] Gateway node: Necessary node, has a dominant position, has the function of active networking and periodic networking, generates the gateway network topology, and queries the data of the end node during the normal communication period.

[0023] Relay node: a non-essential node. In the networking stage, report the gateway’s own node information and the broadcast message of the relay gateway node; collect gateway and other relay node information, collect end node information, and generate a relay n...

Embodiment 2

[0033] A LORA relay ad hoc network method, the LORA relay ad hoc network is composed of a gateway node and an end node. Specific steps are as follows:

[0034] 1. The upper computer software sets the end node address and frequency channel to the gateway. End nodes have a relay function.

[0035] 2. The gateway performs broadcast networking according to the end node address set by the host computer software.

[0036] 3. The broadcast message in step 2 is sent to all end nodes, and the relay end node continues to forward the message. When the end node receives the broadcast message, it reports its own node information gateway or other relay end nodes to generate End node network topology; end nodes acting as relays report the collected end node information to gateway nodes, collect end node information, gateway node information, and other end nodes acting as relays, and generate relay network topology; gateway nodes collect End node information and relay end node information ...

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Abstract

The invention discloses an LORA relay self-networking method. In a networking stage, a gateway node broadcasts networking, a relay node receives a broadcast packet and then forwards the broadcast packet; an end node receives the broadcast packet and reports node information of the end node to the gateway node, the relay node or other adjacent end node, so as to generate an end node network topology; the relay node separately collects gateway node information, other relay node information and end node information, so as to generate a relay network topology; the gateway node collects relay nodeinformation and end node information, so as to generate a gateway network topology; in a communication stage, the gateway searches an optimal route according to the gateway network topology so as to send a packet; the relay node forwards the packet according to the relay network topology; and the end node receives the packet and then replies, wherein the route can directly reach the gateway or reach the gateway through relay or other end node. The method realizes dynamic networking and increases communication distance, and the end node can move, so that network performance is not affected whenthe end node is added or deleted dynamically.

Description

technical field [0001] The invention belongs to the technical field of wireless narrowband communication, and in particular relates to a LORA relay ad hoc network method. Background technique [0002] In the traditional sense, wireless narrowband networking is static, non-dynamic, and has a low communication range and is fixed. It takes a lot of time to maintain the state of the network topology. The addition or deletion of nodes will cause network oscillations and communication unavailability. [0003] LORA is one of the LPWAN communication technologies. It is an ultra-long-distance wireless transmission solution based on spread spectrum technology adopted and promoted by Setech Corporation of the United States. This solution changes the previous trade-off between transmission distance and power consumption, and provides users with a simple system that can achieve long-distance, long battery life, and large capacity, and then expand the sensor network. LORA technology has ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/22H04W40/24H04W84/18
CPCH04W40/02H04W40/22H04W40/24H04W40/246H04W84/18
Inventor 王元志廖春生
Owner 云端智造(广州)物联网科技有限公司
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