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Method for networking multiple Bluetooth devices

A bluetooth device and bluetooth network technology, applied in the field of bluetooth communication, can solve the problems of low data communication efficiency, limit the number of networking equipment and communication distance, restrict the application of bluetooth technology, etc., to achieve the effect of expanding the distance

Active Publication Date: 2015-04-15
INST OF INTELLIGENT MFG GUANGDONG ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This networking method severely limits the number of networking devices and the communication distance, and the polling method also leads to low data communication efficiency
Therefore, it seriously restricts the application of Bluetooth technology in the fields of Internet of Things, smart home and so on.

Method used

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  • Method for networking multiple Bluetooth devices
  • Method for networking multiple Bluetooth devices
  • Method for networking multiple Bluetooth devices

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Please refer to figure 1 , the figure shows a communication flow chart of a method for networking multiple bluetooth devices according to the present invention, including the following steps:

[0033] S1. Perform broadcast / scanning whitelist configuration between multiple Bluetooth devices that need to communicate in a network. After the configuration is completed, all Bluetooth devices are disconnected, switched to the scanning state, and the identity is switched to an observer;

[0034] S2. When communication is required, the Bluetooth device (that is, the initiator) that initiates the communication switches to the broadcast state, switches the identity to the broadcaster, and broadcasts the data packet;

[0035] S3, all bluetooth devices (being observers) in the scanning state in the bluetooth network receive the data packet and analyze it, and judge whether it is the receiving device of the data packet, if not, then the bluetooth device switches to the broadcast sta...

Embodiment 2

[0058] image 3 A schematic diagram of network communication in Embodiment 2 is shown. In this embodiment, 10 Bluetooth devices perform network communication, named as Bluetooth device 1-Bluetooth device 10 respectively, and these 10 Bluetooth devices are randomly distributed in a certain space. Assume that the Bluetooth device 1 needs to send data to the Bluetooth device 10 , but the Bluetooth device 10 is not within the communication range of the Bluetooth device 1 . In this embodiment, the data jump will be performed through the Bluetooth device 4 and the Bluetooth device 5, and the specific communication steps are as follows:

[0059] S1. Bluetooth device 1~Bluetooth device 10 add the devices within their own communication range to each other to the broadcast / scanning white list, disconnect after adding, and adjust all to the scanning state, waiting for data communication;

[0060] S2, bluetooth device 1 switches to broadcast state, and broadcast comprises the data packet...

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Abstract

The invention provides a method for networking multiple Bluetooth devices. The method includes broadcasting / scanning white list configuration to constrain networking ranges; enabling the Bluetooth devices to transmit data packets by means of broadcasting during communication, allowing the other Bluetooth devices in networks to acquire data by means of scanning, analyzing the data and determining abandoning, instruction executing or forwarding processing modes for the broadcast packets according to transmitting device addresses and receiving device addresses of the broadcast packets and the times of receiving the broadcast packets. According to the technical scheme, the method has the advantages that constraints on the quantity of slave devices which are allowed to be connected with master Bluetooth devices can be broken through, Bluetooth networking device scales can be expanded, and constraints on Bluetooth networking communication scales and distances can be extended.

Description

technical field [0001] The present invention relates to the technical field of bluetooth communication, more specifically, relates to a method for networking of multiple bluetooth devices. Background technique [0002] Bluetooth technology is a wireless communication technology that has developed rapidly in recent years. At present, Bluetooth technology is widely used in smart wearables, wireless voice transmission, short-distance file transmission and other fields. However, Bluetooth adopts a point-to-point data transmission method, and its communication range is 10 to 100 meters. A Bluetooth master device can only be connected with 7 Bluetooth slave devices, and communicates with 7 slave devices in a polling manner to form a network. Bluetooth piconet. This networking method severely limits the number of networking devices and the communication distance, and the polling method also leads to low data communication efficiency. Therefore, it seriously restricts the applica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/12H04W48/16H04W84/20
CPCH04W12/12H04W48/16H04W84/20
Inventor 周松斌刘忆森刘哲刘伟鑫李昌
Owner INST OF INTELLIGENT MFG GUANGDONG ACAD OF SCI
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