Data communication method and related equipment

Abstract

The embodiment of the present invention discloses a data communication method and related equipment. Through the historical data transmission of the upper node, the optimal sleep cycle of the lower node is determined under the conditions of the shortest node response time and the lowest power consumption of the node, and then according to the optimal sleep cycle of the lower node. Optimal sleep cycle, sending data to the lower-level nodes when the lower-level nodes are in the wake-up state; among them, the optimal sleep cycle determined by using the historical sending data is more suitable for the actual communication situation of the communication network, and can ensure the accuracy of the optimal sleep cycle; in addition , according to the optimal sleep cycle of the lower-level nodes, in the wake-up state of the lower-level nodes, sending data to the lower-level nodes can ensure that the lower-level nodes respond in a timely manner and shorten the communication response time, and because the sleep cycle is set, the lower-level nodes enter sleep regularly state, which can reduce the power consumption of lower-level nodes.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular, to a data communication method, a data communication device, a terminal device and a computer storage medium. Background technique [0002] Wireless Sensor Networks (WSN) is a distributed sensor network whose extremities are sensors that can perceive and inspect the outside world. Sensors in WSN communicate wirelessly, so network settings are flexible, device locations can be changed at any time, and wired or wireless connections to the Internet are possible. A multi-hop self-organizing network formed by wireless communication. Generally, a wireless sensor network includes sensor nodes, a concentrator and a host computer. Among them, the sensor node can transmit the collected data to the host computer through the concentrator for processing, and can also receive the data sent by the host computer through the concentrator. [0003] In the prior art, the senso...

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Problems solved by technology

[0003] In the prior art, the sensor nodes usually adopt the mode of periodic listening and sleeping, start to listen periodically, and enter the dormant state after starting for a period of time; the node listens to the channel state after waking up to judge whether a receiving concentrator is needed Although this way of receiving downlink data can reduce the power consumption of the node, the node cannot respond to the data sent by the concentrator in time, and cannot guarantee real-time communication

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