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Networking method of wireless sensor network

A wireless sensor network and networking technology, applied in the field of wireless sensing, can solve problems such as collision time slot allocation, and achieve the effects of reducing formation time, rapid networking, and time reduction

Inactive Publication Date: 2013-07-03
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0006] The purpose of the present invention is to provide a networking method for a wireless sensor network, which is used to solve problems such as collisions and related time slot allocations that occur when a large number of densely distributed sensor nodes are networked during the network initialization phase.

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Embodiment Construction

[0017] The inventors of the present invention found that: in the existing wireless sensor network, since the sensor nodes that need to be networked are densely distributed, the number of nodes is large, and the nodes are easy to interfere with each other. In the network initialization stage, it is easy to collide due to conflicts The resulting data packet loss and the composition of the network will take a long time. At the same time, the formed network topology is also extremely unstable. During the communication process, it will also lead to the interruption of data transmission and the reorganization of the network. Additional consumption A lot of energy. Therefore, the present invention proposes a wireless sensor network networking method based on the combination of time slot CSMA, TDMA and multi-channel technology, so as to solve the collision and related problems that occur when a large number of nodes in dense subdivisions are networked during the network initialization ...

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Abstract

The invention provides a networking method of a wireless sensor network. A way of combining carrier sense multiple access (CSMA), time division multiple address (TDMA) and multi-channel technology is mainly utilized for sequentially finishing confirmation of cluster head nodes and overall situation communication time slots of the cluster head nodes, and confirmation of each cluster member node in each cluster and cluster internal communication time slots of each cluster member node, forming time of each cluster is shortened, and therefore fast networking can be achieved. Moreover, a plurality of clusters can communicate on different component channels in the same time period without mutual interference, networking time of the whole network is shortened, delay time of data transmission of each cluster is shortened, the cluster member nodes upload data in the fixed different time slots, and data collision within the clusters does not occur. The feasible networking method is provided for engineering design, and can be applied to the wireless sensor network with densely-distributed sensor nodes.

Description

technical field [0001] The invention relates to wireless sensor technology, in particular to a networking method of a wireless sensor network. Background technique [0002] A sensor is a device or device that can sense a specified measured object and convert it into a usable signal according to certain rules. The Wireless Sensor Network (WSN) is composed of many sensors that communicate with each other through wireless communication. A network that processes and transmits information. The network integrates sensor technology, embedded computing technology, distributed information processing technology and communication technology. to the desired user. Wireless sensor networks are widely used in many aspects such as military, industrial control, transportation, security, medical treatment, field exploration, environmental monitoring, home and office environments. [0003] Wireless sensor network is an emerging network, which is composed of multiple single sensor nodes, and...

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Application Information

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IPC IPC(8): H04W84/18
Inventor 于峰高丹张唯易张帅王晶张星
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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