Energy-saving clustering routing method based on network regional division and distances

A technology of network area and distance, applied in the direction of reducing energy consumption, advanced technology, electrical components, etc., can solve the problem that nodes do not have location awareness capabilities, do not have location awareness devices such as GPS, etc.

Inactive Publication Date: 2016-02-10
TIANJIN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0014] (6) The node does not have position awareness capability, and does not have position awareness devices such as GPS;

Method used

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  • Energy-saving clustering routing method based on network regional division and distances
  • Energy-saving clustering routing method based on network regional division and distances
  • Energy-saving clustering routing method based on network regional division and distances

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Embodiment Construction

[0055] In the design method of the present invention, the flow process of the whole preparation stage and the clustering stage is as follows Figure 4 As shown, the process of route establishment phase is as follows Figure 5 shown.

[0056] In the invention design method, since the base station is located outside the area, especially in some areas where the environment is harsh and nodes need to be scattered, the base station must have a certain distance from the monitoring area. Routing communication is still multi-hop routing. The energy consumption of nodes is related to the distance from the base station, and nodes with a short distance will consume it faster than nodes far away. In order to make the energy consumption of the network more balanced, the method of the present invention divides the network into regions Different competition radius mechanisms realize the uneven distribution of clusters in the network to better solve the problem of network "hot spots".

[00...

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Abstract

The invention relates to an energy-saving clustering routing method based on network regional division and distances. Aiming at the hotspot problem of a wireless sensor network, the invention provides an unbalanced clustering protocol (UCNDD) based on distances and network regional division; in the UCNDD algorithm design, an algorithm that the network regional division is combined with clustering is adopted; a ring node neighbour domain by taking a base station as the circle centre is defined at first; network division is carried out according to the distance between a node and the base station; the neighbour domain node is only used as a node contacting with the base station; nodes in other ranges perform an optimized clustering routing protocol; a cluster is established by adopting a timing mechanism; different competition radiuses of the nodes are set, such that the whole network has unequal clustering; and, in the selection of an information sending path, the next-hop node is selected by comprehensively considering the energy, the distance and the node degree information of cluster head nodes. By means of combination of the two mechanisms, the energy consumption of the whole network can be balanced better in an applied region; and thus, the life cycle of the network is prolonged.

Description

【Technical field】 [0001] The invention belongs to the technical field of combining computer applications and the Internet of Things. 【Background technique】 [0002] The wireless sensor network is composed of a large number of micro sensor nodes, which are deployed in designated areas and form a wireless communication network system through single-hop or multi-hop self-organization. This system is widely used in various physical Monitoring data in the environment, especially in harsh or special environments where people cannot get close to work normally. [0003] Those micro-sensor nodes are easy to deploy, but due to the disadvantage of limited energy, the application and development of wireless sensor networks are severely restricted. Therefore, in the research of many wireless sensor network systems, how to prolong the survival time of the network and balance the energy consumption of the network is an important goal. Many scholars have conducted a lot of research on more...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/10H04W40/20H04W40/24
CPCH04W40/02H04W40/10H04W40/20H04W40/248Y02D30/70
Inventor 张德干刘思李文杰李可宋孝东
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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