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A cluster routing method based on sdwsn

A clustering and routing technology, applied in wireless communication, network topology, electrical components, etc., can solve problems such as energy-constrained QoS routing protocols

Active Publication Date: 2022-01-04
SHENYANG LIGONG UNIV
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Problems solved by technology

Traditional distributed WSNs face enormous challenges in terms of energy constraints, dynamic management, and the implementation of complex QoS routing protocols.

Method used

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  • A cluster routing method based on sdwsn
  • A cluster routing method based on sdwsn
  • A cluster routing method based on sdwsn

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Experimental program
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Embodiment Construction

[0084] In order to realize the performance simulation test of the SDWSN-based clustering routing method proposed in this paper, the Cooja simulation software is used to simulate the open source SDWSN project SDN-WISE and compare it with it, and compare the delay and packet loss rate of the two methods in the same environment. The simulation parameters are shown in Table 3.

[0085] Table 3 Simulation platform information table

[0086]

[0087] The curves of the delay and packet loss rate of the two methods are as follows Figure 4-5 shown. The simulation results show that the cluster routing method proposed in this paper has certain advantages in delay and packet loss rate, and improves the QoS of the network.

[0088] A clustering routing method based on SDWSN, including an SD-CUQCA clustering method and an SD-QRA routing method. The specific explanation is as follows:

[0089] SD-CUQC method: The SD-CUQCCA clustering method is built on the standard energy consumption...

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Abstract

A clustering routing method based on SDWSN, comprising the following content: it specifically relates to an SD‑CUQCA clustering algorithm and an SD‑QRA routing algorithm. SD-CUQCA draws on the idea of ​​Centralized Unequal Clustering algorithm (CUCA, Centralized Unequal Clustering algorithm), and selects cluster heads by comprehensively considering node congestion, node link connectivity, node energy and the distance between nodes when selecting cluster heads node. SD‑CUQCA makes the generation of cluster heads more uniform, and puts forward the idea of ​​hetero-cluster dual cluster heads. For each cluster, the members in the cluster select the corresponding cluster head nodes for transmission according to the type of perceived data, which provides QoS guarantee. The controller executes the selection of the cluster head and cluster members into the cluster through the information of the whole network it grasps, reducing The frequent information exchange between nodes reduces the burden on the network and increases the life of the network. SD-QRA integrates the construction of multiple paths into one algorithm, and constructs different paths by changing the weight parameters of different formula factors, which improves the error tolerance rate of the algorithm.

Description

technical field [0001] The invention belongs to an SDWSN-based clustering routing method, in particular to an SD-CUQCA clustering method and an SD-QRA routing method. Background technique [0002] With the widespread application of wireless sensor networks (WSNs), the application scenarios with high data traffic variation and coexistence of multiple types of data are gradually increasing, and these application scenarios have gradually increased the requirements for the quality of service (QoS) of routing methods. Traditional distributed WSNs face enormous challenges in terms of energy constraints, dynamic management, and the implementation of complex QoS routing protocols. How to meet the quality of service of wireless sensor networks at the present stage has become the focus of current scientific research. [0003] Software-defined wireless sensor network (SDWSN) is an emerging wireless sensor network architecture, which separates the data plane from the control plane, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/10H04W40/12H04W40/22H04W84/18
CPCH04W40/10H04W40/12H04W40/22H04W84/18
Inventor 谭小波
Owner SHENYANG LIGONG UNIV
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