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Cluster-based CTP (coordinated test program) routing protocol

A routing protocol and routing technology, applied in the direction of energy-saving ICT, advanced technology, electrical components, etc., can solve problems such as ineffective transmission of aggregation nodes, increased routing stability time, and unstable wireless sensor network data.

Inactive Publication Date: 2013-01-16
NANJING UNIV
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AI Technical Summary

Problems solved by technology

The increase of route stabilization time makes the data transmitted by the wireless sensor network in the early stage unstable, or cannot be effectively transmitted to the sink node
Therefore, based on the above conditions, in a wireless sensor network with a large number of nodes, the performance of the CTP protocol is significantly reduced

Method used

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  • Cluster-based CTP (coordinated test program) routing protocol
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  • Cluster-based CTP (coordinated test program) routing protocol

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] Such as image 3 Shown is a wireless sensor network based on cluster-based CTP routing protocol when 12 nodes are deployed. The topology of wireless sensor networks does not necessarily have the same number of nodes in each cluster. Such as image 3 As shown, nodes 1, 5, and 9 are the cluster head nodes of each cluster, nodes 2, 3, and 4 belong to the non-cluster head nodes of the cluster where node 1 is located, and nodes 6, 7, and 8 belong to the non-cluster head nodes of the cluster where node 5 is located. , nodes 10, 11, and 12 belong to the non-cluster-head nodes of the cluster where node 9 is located. Node 1, node 5, and node 9 establish a routing topology tree through the CTP routing protocol, nodes 2, 3, and 4 transmit the monitored environmental data to node 1, and nodes 6, 7, and 8 transmit the monitored environmental data to ...

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Abstract

The invention discloses a cluster-based CTP (coordinated test program) routing protocol, which is suitable for a cluster-based wireless sensor network and adopts the design of a routing topology tree scheme of the wireless sensor network. Different from the conventional method in which research situations of clusters are not different or only the research situation of one cluster is different, the cluster-based CTP routing protocol takes a multi-cluster situation into consideration and has a practical meaning better. With the adoption of a scheme of carrying out routing selection at regular intervals, the cluster-based CTP routing protocol solves the problems that the survival period of the wireless sensor network becomes shorter since the energy consumption of some nodes in the wireless sensor network is too fast, and thus the stability and the survival period of the wireless sensor network are greatly improved and prolonged. On basis of ensuring high efficiency, reliability and effectiveness of performance, the routing protocol disclosed by the invention takes the differences of action properties of the nodes at different stages into consideration. While ensuring the integral performance optimization of the network, the cluster-based CTP routing protocol effectively prolongs the survival time of the network, enhances the energy efficiency of the network and efficiently utilizes system resources by establishing a routing topology tree of the wireless sensor network.

Description

technical field [0001] The present invention relates to a node topology construction method in a multi-cluster wireless sensor network, specifically a cluster-based CTP routing protocol applicable to a multi-cluster wireless sensor network, by establishing a routing tree topology of a wireless sensor network To realize the local communication of the wireless sensor network (the communication between the cluster head node and the member nodes in each cluster) and the long-distance communication (the communication between each cluster head node and the cluster head node and the communication between each cluster head node and the sink node Communication). Background technique [0002] The CTP routing protocol is currently the most widely used routing protocol in the TinyOS operating system. The basic idea is: build a converging tree, use at least one tree root node as the base station, when the monitoring data collected by the node is to be transmitted to the base station, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/24
CPCY02B60/50Y02D30/70
Inventor 陈力军高宁
Owner NANJING UNIV
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