Bluetooth device, Bluetooth Mesh network information transmission method and readable storage medium

A technology of network information and transmission method, which is applied in the fields of Bluetooth devices, Bluetooth Mesh network information transmission methods and readable storage media, and can solve the problems of increased relay and forwarding times of broadcast packets, low success rate of receiving broadcast packets, and broadcast storms, etc. Achieve the effects of improving the throughput of the Bluetooth Mesh network, reducing the probability of broadcast storms, and improving the success rate of reception

Active Publication Date: 2019-12-03
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the number of devices in the Bluetooth Mesh network increases, the number of relay nodes increases greatly, resulting in a significant increase in the number of relay forwarding of broadcast packets, and the success rate of receiving broadcast packets is low, which may cause broadcast storms and network congestion.

Method used

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  • Bluetooth device, Bluetooth Mesh network information transmission method and readable storage medium
  • Bluetooth device, Bluetooth Mesh network information transmission method and readable storage medium
  • Bluetooth device, Bluetooth Mesh network information transmission method and readable storage medium

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Embodiment Construction

[0034]The Bluetooth Mesh network usually uses ADV (advertising packets) to send information, the relay forwards the broadcast packets when receiving the broadcast packets, and the target device obtains the information in the broadcast packets when receiving them. As the number of devices in the Bluetooth Mesh network increases, the number of relay nodes increases greatly. Assuming that a Bluetooth Mesh network includes 20 Bluetooth devices, each Bluetooth device can be regarded as a relay node. When using the flooding method, a broadcast packet sent by a Bluetooth device will be forwarded 20 times before reaching the target Bluetooth device. Assume that the broadcast interval of each Bluetooth device in the Bluetooth Mesh network is 100ms, and the duration of broadcasting a broadcast packet is 3ms. In the case of no conflict, 60ms of the broadcast interval is occupied by the broadcast, and only 40ms is idle. The reception success rate of broadcast packets is low.

[0035] In...

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Abstract

A Bluetooth device, a Bluetooth Mesh network information transmission method and a readable storage medium, the Bluetooth Mesh network information transmission method comprising: receiving a broadcastpacket, and obtaining the type of the broadcast packet, the broadcast packet being sent by other Bluetooth devices in a Bluetooth Mesh network; when the type of the broadcast packet is non-connectable and non-directional, switching a broadcast channel by taking a radio frequency switching duration as a channel transmission interval, and sending the broadcast packet on the switched broadcast channel; wherein the radio frequency switching duration is less than a preset inter-frame interval. According to the scheme, the broadcast packet receiving success rate can be improved, and the broadcast storm occurrence probability is reduced.

Description

technical field [0001] The embodiment of the present invention relates to the field of bluetooth communication, in particular to a bluetooth device, a bluetooth Mesh network information transmission method and a readable storage medium. Background technique [0002] The transmission distance of wireless network communication is usually limited, and the transmission distance of wireless network communication can be extended by adopting wireless mesh (Mesh) network technology. In a Bluetooth Mesh network, all devices can communicate with other devices directly or indirectly. [0003] In a Bluetooth Mesh network, a routing method or a flooding method may be used to implement communication between two devices. When using the path selection method, two devices communicate through a specific path in the Mesh network; when using the flooding method, one device sends information to other devices in the Mesh network, and other devices in the Mesh network serve as relays The informa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/06H04W4/80H04W36/00H04W36/30
CPCH04W4/06H04W36/0083H04W36/30H04W4/80
Inventor 俞忠兴陈国础陈龙
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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