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Data transmission method based on low power consumption Bluetooth technology

A data transmission method, low-power bluetooth technology, applied in the field of data transmission, can solve the problems of high power consumption, large chip size, large packet loss rate, etc., achieve low power consumption, small size, and improve transmission efficiency

Active Publication Date: 2016-04-20
GUANGZHOU HI TARGET NAVIGATION TECH
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Problems solved by technology

When transmitting data through existing WiFi or traditional Bluetooth technology, although the data transmission speed can meet the requirements relatively, the power consumption is large, and the chip size is relatively large, which cannot meet the requirements of sub-meter wearable devices. Miniaturization and batteries cannot provide large-capacity batteries; when using the existing low-power Bluetooth technology to transmit data, the data transmission speed is not efficient, the stability is poor, the packet loss rate is relatively large, and the data loss is serious

Method used

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  • Data transmission method based on low power consumption Bluetooth technology

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Embodiment Construction

[0023] Below, in conjunction with accompanying drawing and specific embodiment, the present invention is described further:

[0024] Such as figure 1 , the present invention discloses a data transmission method based on low-power bluetooth, which is applied to a sub-meter wearable positioning device. The sub-meter wearable positioning device is an ultra-small RTK receiver of volume and weight; including BLE Bluetooth module and arm calculator, receive the data sent by the smart terminal device through the BLE Bluetooth module, then transmit the data to the arm calculator and process it, send it to Bluetooth through serial communication, and pass Bluetooth sends the processed data to the phone. The method comprises the steps of:

[0025] S101: The BLE Bluetooth module establishes a Bluetooth connection with the smart terminal device; the smart terminal device is a device with Bluetooth function such as a mobile phone and a tablet, and is connected to the wearable positioning ...

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Abstract

The invention provides a data transmission method based on a low power consumption Bluetooth technology, is applied to a sub-meter wearable positioning equipment system, a buffering mechanism is arranged in a BLE Bluetooth module and three sleep modes of the BLE Bluetooth module are set, thereby enabling the BLE Bluetooth module to intelligently control and adjust data flow, ensuring switching of Bluetooth between busy and idle states, satisfying high-speed transmission of data, realizing relatively low memory consumption, and satisfying low power consumption of sub-meter wearable positioning equipment; and at the same time, BLE Bluetooth is adopted to intelligently receive sent data, Bluetooth flexibly processes cache data, and overflow and loss of data are not caused by excessive cache data, thereby greatly reducing the packet loss rate of data.

Description

technical field [0001] The invention relates to a data transmission method, in particular to a data transmission method based on low-power bluetooth. Background technique [0002] In the field of surveying and mapping, when using sub-meter-level wearable positioning devices for positioning operations, it is required that the devices and Android phones can communicate at high speed in real time to realize the transmission of differential data and real-time calculation results, while wearable devices require low power consumption. The data transmission speed and data packet loss rate of differential calculation are very high. When transmitting data through existing WiFi or traditional Bluetooth technology, although the data transmission speed can meet the requirements relatively, the power consumption is large, and the chip size is relatively large, which cannot meet the requirements of sub-meter wearable devices. Miniaturization and batteries cannot provide large-capacity ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/00H04W52/02
CPCH04W4/80H04W52/0225Y02D30/70
Inventor 黄博许全君薛柏慧黄宗强
Owner GUANGZHOU HI TARGET NAVIGATION TECH
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