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A routing method, device and gateway

A routing and path technology, applied in the field of communication, can solve problems such as the inability to meet the needs of wireless sensor Mesh network routing selection, and achieve the effect of ensuring effectiveness and stability, and optimizing routing selection.

Active Publication Date: 2019-11-22
普奥云洲智能科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a routing selection method and device, that is, a gateway, to solve the problem that the prior art traffic load balancing technology cannot meet the demand for wireless sensor Mesh network routing selection in a real environment with changing network problems

Method used

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  • A routing method, device and gateway
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  • A routing method, device and gateway

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0018] figure 2 It is a flowchart of a routing selection method provided in Embodiment 1 of the present invention. The routing selection method of this embodiment is applied to a wireless sensor Mesh network, and the method can be executed by a gateway in the wireless sensor Mesh network, and specifically includes the following steps:

[0019] S110. Calculate the comprehensive path quality value of all routing nodes on multiple transmission paths of each node according to the value and weight of a target parameter, where the target parameter is a parameter related to routing selection of the wireless sensor Mesh network.

[0020] Among them, the wireless sensor Mesh network includes multiple nodes. After the nodes receive the sensor data, they upload the data to the gateway according to the transmission path in the node routing table, or send the data sent by the gateway to the wireless sensor according to the transmission path in the node routing table. , the node has multip...

Embodiment 2

[0041] image 3 It is a flow chart of the routing selection method provided by Embodiment 2 of the present invention. The routing selection method of this embodiment is applied to a wireless sensor Mesh network, and the method can be executed by a gateway in the wireless sensor Mesh network. The second embodiment of this invention is implemented in the above On the basis of Example 1, a further explanation is made, which specifically includes the following steps:

[0042] S210. Calculate the upward integrated quality value and the downward integrated quality value of all routing nodes on the multiple transmission paths of each node according to the value and weight of the target parameter, wherein the upward integrated quality value is the corresponding value when the routing node uploads data Quality value, the downward comprehensive quality value is the corresponding quality value when the routing node sends data.

[0043] In the wireless sensor Mesh network, the routing no...

Embodiment 3

[0060] Figure 4 A schematic structural diagram of a routing device provided in Embodiment 3 of the present invention, the routing device is applied to a gateway in a wireless sensor Mesh network, such as Figure 4 As shown, routing device 1 includes:

[0061] Calculation module 10 is used to calculate the comprehensive path quality value of all routing nodes on the multiple transmission paths of each node according to the value and weight of the target parameter, and the target parameter is a parameter related to the routing selection of the wireless sensor Mesh network;

[0062] The selected path obtaining module 11 is used to obtain the selected path from multiple transmission paths according to the integrated path quality value;

[0063] Judging module 12, for judging whether the current path in the routing table of the selected path and the node is the same;

[0064] The sending module 13 is used to send the selected path to the node when the judging module 12 judges th...

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Abstract

The invention discloses a route selection method and device and a gateway, applied to the wireless sensor Mesh network. The route selection method comprises that an integrated route quality value of all routing nodes in multiple transmission routes of each node is calculated according to the value and weight of a target parameter, and the target parameter is a parameter related to route selection of the wireless sensor Mesh network; a selected route is obtained from the multiple transmission routes according to the integrated route quality value; and when it is determined that the selected route is different from a preset route in a routing table of the node, the selected route is sent to the node so that the node updates the routing table according to the selected route, and data is transmitted according to the updated routing table. According to the invention, the integrated route quality of all the routing nodes of each node serves as basis of route selection, influence of complex and changeable real environment on the network is taken into full consideration, and the validity and stability of the network are ensured.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a routing selection method, device and gateway. Background technique [0002] The wireless sensor Mesh network is a wireless network composed of multiple stationary or moving sensors in a self-organizing and multi-hop manner. The sensors can perceive, collect, process and transmit the data of the perceived environmental objects in the geographical area covered by the network, and finally These data are sent to the owner of the network, which is widely used in military, intelligent transportation, environmental monitoring, medical and health and other fields. [0003] figure 1 It is a schematic diagram of the network topology of the wireless sensor Mesh network in the prior art, such as figure 1 As shown, the gateway 3 and the Mesh routing node 4 constitute the backbone layer of the wireless sensor Mesh network. The Mesh routing node 4 is connected to four sensors ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/04H04W40/12
CPCH04W40/04H04W40/12Y02D30/70
Inventor 冯改玲肖洋曹曼
Owner 普奥云洲智能科技(上海)有限公司
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