A layerless communication method for star-chain wireless sensor network

Abstract

The invention discloses a star-chain type wireless sensor network hierarchy-free communication method. The whole network is constructed by using the star-chain type topological structure, and a communication protocol is designed by using a hierarchy-free method. All sensor nodes enter a monitoring state when being initialized, the time synchronization is completed by receiving a beacon frame froman aggregation node; the start-type cluster member node can wake up in the corresponding time slot when the time synchronization is performed, and send the collected data to the cluster header node after confirming the arrival of the cluster header node; each cluster header node simultaneously receive the information sent by the belonged cluster member node; each cluster header node reports the data to the aggregation node through a multi-hop relay way under the scheduling of the aggregation node. By hierarchical relation between the traditional protocol stacks is broken through, the whole communication protocol is used as a whole to perform the overall design, and then the aims of reducing the energy consumption and lowering the delay are achieved.

Description

technical field [0001] The invention belongs to the field of wireless sensor network and electronic measurement and control, and in particular relates to a layerless communication method of a star chain type wireless sensor network. Background technique [0002] Wireless sensor network (Wireless Sensor Networks: WSN) is composed of a series of low cost, energy saving, moderate size, a certain computing power, and a large number of multifunctional sensor nodes that can communicate wirelessly within a short distance. A new type of wireless network. Because of its high flexibility, strong fault tolerance, high fidelity, and rapid deployment, it has become a hot research field in communication disciplines in recent years, and has also become a reliable military system for intrusion detection, peripheral monitoring, information collection, and military regional logistics support. application. At the same time, WSN has more and more performances in other fields, such as sensor-b...

AI Technical Summary

Problems solved by technology

However, wireless sensor networks have the characteristics of limited node energy, dynamic channels, insufficient memory and data processing capabilities, which make the traditional layered design idea not completely suitable for wireless sensor networks.

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