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Scanning request confirmation method for rapid and small amount of data transmission based on BLE

A technology for scanning requests and a small amount of data, applied in the field of data transmission, can solve the problems of many steps and high energy consumption, and achieve the effects of reliable transmission, control of data transmission delay, and low occupancy rate

Active Publication Date: 2021-09-28
广州波通通信有限公司
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  • Description
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Problems solved by technology

Because there are more steps, the corresponding energy consumption will be larger

Method used

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  • Scanning request confirmation method for rapid and small amount of data transmission based on BLE

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0017] refer to figure 1 , a scan request confirmation method for fast small amount of data transmission based on BLE, comprising the following steps:

[0018] S1: The sending device is usually in a low power standby state. The passive receiving end is usually in the broadcast packet scanning state. When the active sender needs to send data, it first broadcasts the BLE broadcast data packet to the air. The broadcast data packet includes the address of the target device (passive receiver) or other identification data and a small amount of data to be transmitted; the target address and the data to be transmitted can be original text or cipher text, and if cipher text...

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Abstract

The invention discloses a scanning request confirmation method for rapid and small amount of data transmission based on BLE, which comprises the following steps that: S1, a small amount of data required to be transmitted is carried in a BLE broadcast packet, and can be transmitted in plaintext or ciphertext; and S2, a passive receiver is in a passive scanning state at ordinary times, namely does not send a scanning request, and is immediately switched to an active scanning mode after receiving a first broadcast packet meeting the requirement, and at the moment, sends a scanning request immediately, or sends the scanning request when receiving a next broadcast packet meeting the requirement. According to the invention, secondary development is carried out on the basis of a Bluetooth 4.0 BLE protocol, a small amount of confirmation or reply data is transmitted through a small amount of data broadcast transmission and scanning request confirmation mode and by customizing an MAC address when a passive receiver actively performs scanning, reliable transmission of a small amount of data between devices within an extremely short time is realized, data transmission delay can be well controlled, and a relatively low occupancy rate of the air bandwidth is maintained.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to a scan request confirmation method for fast small amount of data transmission based on BLE. Background technique [0002] With the development of Bluetooth technology today, it has spread to all smartphones. In smart home, Internet of Things and other fields, it is often necessary to transmit a small amount of data quickly, and at the same time, data transmission needs to maintain high reliability. [0003] The conventional Bluetooth data communication method requires two Bluetooth devices to establish a connection and set a dedicated data channel. Then transmit data through the newly established data channel. This method requires a connection process with many steps, so the first communication delay is relatively large. Because there are many steps, the corresponding energy consumption will be relatively large. For a single Bluetooth device, the number of devices it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/80H04W76/10H04W76/12
CPCH04W4/80H04W76/10H04W76/12Y02D30/70
Inventor 梁涛
Owner 广州波通通信有限公司
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