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A method for acquiring uwsns spatio-temporal routing architecture based on sdn

An acquisition method and routing technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve the problem of node robustness without considering node routing efficiency.

Active Publication Date: 2020-05-19
DALIAN UNIV OF TECH
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Problems solved by technology

However, this routing architecture only considers the robustness of nodes and does not consider the actual routing efficiency of nodes.

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  • A method for acquiring uwsns spatio-temporal routing architecture based on sdn
  • A method for acquiring uwsns spatio-temporal routing architecture based on sdn
  • A method for acquiring uwsns spatio-temporal routing architecture based on sdn

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Embodiment Construction

[0069] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0070] (1) SDN-based UWSNs network model: such as figure 1 Shown is the UWSNs network model based on SDN of the present invention, that is, using SDN to decouple the data control unit of the UWSNs network from the device forwarding unit, on this basis, abstract network functions, and divide the UWSNs network into three levels:

[0071] (1.1) Data layer: mainly composed of underwater data acquisition sensors, including towed (TS) / non-towed (MS) sensors, which are only responsible for underwater industrial data acquisition and monitoring, and request their data forwarding at the routing layer in real time / Gateway node forwards the data it collects.

[0072] (1.2) Routing layer: including underwater gateway nodes, mainly composed of AUV-based mobile (MR) and towed (TR) routing nodes. The underwater gateway n...

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Abstract

The invention belongs to the technical field of wireless sensor networks, and the invention discloses an SDN-based UWSNs space-time routing framework acquisition method. The invention utilizes the SDN technology to decouple the data control plane and the data forwarding plane of the UWSNs, and divides the UWSNs into a data layer, a routing layer and a control layer. On this basis, the beacon frame is defined to realize network topology awareness and data synchronization, and to realize active detection of related network links and control links; secondly, based on the perceived network topology and information, through the SDN controller-guided The network global level positioning calculation is used to estimate the network space-time information; finally, based on the network space-time information, the time-expanded network is used to abstract the network space-time characteristics, and then the data space-time routing is realized. The present invention considers the actual complex dynamic space-time changing environment of UWSNs, and provides a set of efficient, safe and transparent data routing framework for UWSNs.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks, and in particular relates to an SDN-based UWSNs spatio-temporal routing architecture acquisition method. Background technique [0002] In recent years, with the rapid development of underwater wireless sensor network (UWSNs) comprehensive technology system and its application research, underwater environment detection and monitoring, underwater data acquisition and routing have become a popular application research. However, due to the complexity of the underwater environment, the network topology and status of UWSNs show temporal and spatial variation characteristics, making it difficult to guarantee the effective routing of target data. In UWSNs, in order to ensure the effective routing of target data, the first prerequisite is to be able to grasp the local or global state of the network in real time, and to make effective judgments on the target nodes that may affect the chara...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/751H04W24/08H04W40/04H04W40/12H04L45/02
Inventor 韩光洁林川杜嘉欣王照辉
Owner DALIAN UNIV OF TECH
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