Mesh networking method based on Bluetooth low energy and system thereof
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A low-power bluetooth and networking technology, applied in the direction of network topology, energy consumption reduction, short-distance communication services, etc., can solve problems such as complex network topology, and achieve the effect of easy management and simple structure
Inactive Publication Date: 2018-11-02
XIAN AEROSPACE UNISTAR ELECTRONICS SCI & TECH
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[0005] The purpose of the present invention is to provide a low-power bluetooth-based Mesh networking method and its system, in order to solve the problem that the existing bluetooth mesh networking method makes the topology of the network complicated
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Embodiment 1
[0033] Such as figure 2 As shown, this embodiment provides a Mesh networking method based on Bluetooth low energy consumption, the method comprising:
[0034] S101, turn on the bluetooth module of the main control device to scan, and at the same time, turn on the broadcast of the bluetooth modules of all sub-devices;
[0035] S102. When the Bluetooth module of the main control device scans two of the sub-devices, respectively respond to the Bluetooth modules of the sub-devices to establish data interaction, and define the sub-devices as the left sub-node and the left sub-node of the network respectively. right child node;
[0036] S103. The Bluetooth module of the sub-device defined as the left sub-node or the right sub-node closes the broadcast and starts scanning the remaining sub-devices, connects and defines the left sub-node or the right sub-node Corresponding secondary left child node and secondary right child node;
[0037] S104. Connect and define sub-nodes corresp...
Embodiment 2
[0047] Based on the same inventive idea, such as image 3 As shown, the present invention also provides a Mesh networking system based on low-power bluetooth, adopting the Mesh networking method as in Embodiment 1, setting a master control device and a plurality of sub-devices, including:
[0048] The bluetooth module control unit is used to issue control instructions for the scanning and broadcasting functions of the bluetooth module to the main control device and the sub-devices.
[0049] A topology label management unit, configured to deliver network topology labels to the master device and the sub-devices, and receive and forward the network topology labels reported by the sub-devices to a parent node.
[0050] Wherein, the main control device is used to form the root node of the Bluetooth Mesh networking structure, and the Bluetooth module of the main control device has a Mesh networking function.
[0051] Wherein, a plurality of the sub-devices are used to form sub-node...
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Abstract
The invention discloses a Mesh networking method based on Bluetooth low energy and a system thereof. The method includes the following steps: turning on a Bluetooth module of a main control device forscanning, and simultaneously enabling Bluetooth modules of all sub-devices to turn on the broadcast; when the Bluetooth module of the main control device scans two of the sub-devices, respectively responding to the Bluetooth modules of the sub-devices to establish data interaction, and separately defining the sub-devices as a left sub-node and a right sub-node of a network; enabling the Bluetoothmodule of the sub-device that is defined as the left sub-node or the right sub-node to turn off the broadcast and turn on scanning the remaining sub-devices, and connecting and defining a secondary left sub-node and a secondary right sub-node corresponding to the left sub-node or the right sub-node; and sequentially connecting and defining the sub-nodes corresponding to all sub-devices, and connecting all the sub-devices to the network to form a Bluetooth Mesh networking structure. According to the scheme of the application, the problem that an existing Bluetooth Mesh networking method complicates the topological structure of the network can be solved.
Description
technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a low-power bluetooth-based Mesh networking method and system thereof. Background technique [0002] Mesh network is "wireless mesh network", which is a wireless multi-hop network, developed from ad hoc network, and is one of the key technologies to solve the "last mile" problem. Wireless is an indispensable technology in the evolution to next-generation networks. Wireless mesh can communicate cooperatively with other networks. Wireless mesh network (WMN) technology is a new type of wireless mobile communication technology based on IP access, which is suitable for regional environmental coverage and broadband high-speed wireless access. Wireless Mesh networks are based on the mutual cooperation and collaboration among many wireless access points distributed in a mesh shape. They have the advantages of high-speed broadband and high spectral efficiency, and...
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