Wireless communication method having high anti-interference capability
A wireless communication, high anti-interference technology, applied in the direction of wireless communication, network topology, electrical components, etc., can solve the problems of long communication distance, high power, increased cost and difficulty of signal processing, etc., to improve reliability and accuracy, The effect of reducing mutual interference in wireless communication
Inactive Publication Date: 2016-11-23
ZHEJIANG UNIV
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Problems solved by technology
[0004] At the same time, the nodes need to communicate with each other, and the nodes and the control center also need to communicate with each other, but the relative communication distance is relatively long and the power is relatively large.
If a unified communication frequency band is used, the internal communication of the node will be interfered by the signal of the node and the external communication. The interference intensity is strong, which increases the cost and difficulty of signal processing and reduces the reliability of wireless communication. It may cause the functional unit of each node to fail to achieve the intended function
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[0034] Take the application on power poles and towers as an example: each power pole is equipped with multiple sensors, microcontrollers and actuators. The sensors need to collect the data of the surrounding environment and transmit it to the microcontroller. After the microcontroller analyzes and processes It is issued to the actuator, and the data collected by the sensor is sent to the control center, and the control center may also directly issue instructions to the microcontroller to control the actuator. The wireless nodes on each power tower also need to communicate with each other, so as to ensure the overall functional coordination and cooperation.
[0035] For each wireless node on the tower, its internal sensors, microcontrollers, and actuators are used as functional modules inside the node. The communication mode of 2.4GHz is adopted between the various functional modules in the node, and if the data is to be transmitted to the control center, the information is fir...
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The invention relates to a communication method that is applied to a field sensor network and has advantages of excellent anti-interference performance and low-data-volume transmission, particularly to a wireless communication method having high anti-interference capability. The method is characterized in that the whole network is divided into a control center and a plurality of nodes having complete functions. A plurality of function modules and a communication center are arranged inside each node. On the basis of a clustered wireless communication structure, communication between nodes or between a node and a control center can be guaranteed; because of different frequencies of communication with the insides of the nodes, communication between the insides of all nodes is not affected; and the mutual interference on communication with the control centers is avoided due to long distances between all nodes. Therefore, the mutual interference of wireless communication of the whole wireless sensor network is reduced; and the information transmission reliability and accuracy are improved substantially.
Description
technical field [0001] The invention relates to a communication method for anti-interference and small data volume transmission applied to the field sensor network, in particular to a wireless communication method with high anti-interference ability. Background technique [0002] With the development of wireless technology, information collection and wireless communication are widely used in the detection of power grids, forests, oceans and other environments. For the sensor network in the field, it often has the following characteristics: a functional unit is composed of multiple sensors and microprocessors, as a complete node, and at the same time, a large sensor network is composed of multiple nodes, and the data of all wireless nodes are available. Can be sent to the control center and summarized. [0003] However, with the diversification of the functions of each node, the sensor in the node is no longer limited to one, and the various functional modules inside the nod...
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IPC IPC(8): H04W72/04H04W72/08H04W84/18H04W72/54
CPCH04W72/0453H04W84/18H04W72/541
Inventor 田野
Owner ZHEJIANG UNIV