Data transmission method and communication system

A data transmission method and communication system technology, applied in wireless communication, sustainable communication technology, advanced technology, etc., can solve problems such as power consumption, and achieve the effects of improving efficiency and speed, saving coordination time, and low power consumption

Active Publication Date: 2019-01-25
SHENZHEN GALAXYWIND NETWORK SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

That is to say, in this wake-up method, the crystal oscillator module

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  • Data transmission method and communication system
  • Data transmission method and communication system
  • Data transmission method and communication system

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Embodiment Construction

[0052] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0053] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art w...

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Abstract

The invention discloses a data transmission method and a communication system. The communication system comprises a central node and a plurality of child nodes. The method comprises the following steps: the central node sends a wake-up signal; the child node receives a wake-up signal and enters a wake-up state. The central node sends a data signal; the child node receives the data signal and transmits the data to be transmitted at a random time in a preset time period after receiving the data signal when the child node needs to transmit the data to be transmitted. The child node transmitting the data to be transmitted judges whether the data to be transmitted is successfully transmitted; If the data to be transmitted is not successfully transmitted, the child node enters a sleep state andwaits for a wake-up signal; and if the data to be transmitted is not successfully transmitted, the child node enters a sleep state and waits for a wake-up signal. If the data transmission to be transmitted is successful, the child node enters a sleep state and no longer responds to the wake-up signal. The center node re-executes the step of transmitting the data signal at a preset time interval until the transmission of the data to be transmitted of all the child nodes is completed. This embodiment has the characteristics of high transmission efficiency and high speed.

Description

technical field [0001] The present application relates to the technical field of data transmission, and in particular, to a data transmission method and a communication system. Background technique [0002] With the rapid development of the Internet of Things technology, more and more wireless products are produced, and these wireless products often need to perform data transmission with other devices. [0003] In the prior art, these wireless products have two methods for data transmission. One of the ways is to transmit data according to the pre-network. In this transmission mode, each wireless product forms a sub-node. When there are multiple sub-nodes that need to be transmitted in the system, each sub-node needs to pass protocol for data transmission. For example, in the ZigBEE transmission system that has been completed by the self-organizing network, when the node needs to transmit data, the node is first awakened by a low-frequency wireless signal, and then transmi...

Claims

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Application Information

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IPC IPC(8): H04W52/02H04W84/18
CPCH04W52/0229H04W52/0248H04W84/18Y02D30/70
Inventor 冯胜
Owner SHENZHEN GALAXYWIND NETWORK SYST
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