Collecting and transmission method for hierarchical nested data of wireless optical fiber sensor networks

Abstract

The invention relates to a collecting and transmission method for real-time hierarchical nested data of wireless optical fiber sensor networks. The method includes: using central control nodes, routing nodes, control nodes to form a top network in the wireless optical fiber sensor networks, adopting a multi-hop poll mechanism during a top poll period, using the routing nodes and part of the control nodes to implement routing function so as to realize remote multi-hop transmission of control information and sensor data; using the control nodes and wireless optical fiber sensor nodes to form a bottom network, adopting a bisynchronous dynamic time-division multiplexing mechanism during a bottom data collecting and transmission period so as to realize distributed synchronous collecting and transmission of the same hot spots monitoring quantity; and nesting the bottom data collecting and transmission period in the top poll period. The wireless optical fiber sensor networks is low in power consumption, widespread, real-time and the like, and is applicable to known monitoring fields of multiple application environments such as oil depot tank groups, power systems, mine tunnels, greenhouse granaries and the like.

Description

technical field [0001] The invention relates to a collection and transmission technology of layered nested data of a wireless optical fiber sensor network, which belongs to the wireless sensor network technology. Background technique [0002] The wireless fiber optic sensor network is composed of a large number of deployed fiber optic sensor nodes, which cooperatively sense, collect, and process information in the monitoring area, and transmit it to the control center in a wireless multi-hop manner. The wireless fiber optic sensor network combines the advantages of fiber optic sensors such as anti-electromagnetic interference, flameproof and explosion-proof, and the advantages of flexible wireless networking, strong scalability, low cost, and distributed computing. It is suitable for flammable, explosive, strong Corrosive, high electromagnetic interference and other high-risk environments have very important theoretical and practical significance. In the wireless fiber opti...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems existing in the prior art, the present invention provides a layered nested data acquisition and transmission method suitable for wireless optical fiber sensor networks, which can effectively solve the problem of synchronization between nodes, has the characteristics of low energy consumption, and supports all wireless Fiber optic sensor nodes dynamically join the network, which has self-organization, overcomes the shortcomings of the existing wireless sensor network communication protocols, meets the application requirements of wireless fiber optic sensor networks, and realizes distributed synchronous collection and remote multi-hop real-time monitoring of hot spot monitoring units. transmission

Images