Cluster energy saving route algorithm applied in wireless sensor network

A wireless sensor and network technology, applied in wireless communication, energy-saving ICT, data exchange network, etc., can solve problems such as routing energy consumption, and achieve the effect of reducing energy and data transmission delay

Inactive Publication Date: 2011-09-07
BEIJING JIAOTONG UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] In order to overcome the deficiencies of existing clustering routing algorithms, the present invention provides a wireless sensor network energy-saving routing method based on cluster head prediction and power control applied to wireless sensor networks, which solves the energy consumption of wireless sensor network cluster construction and routing question

Method used

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  • Cluster energy saving route algorithm applied in wireless sensor network
  • Cluster energy saving route algorithm applied in wireless sensor network
  • Cluster energy saving route algorithm applied in wireless sensor network

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Embodiment Construction

[0027] Such as figure 1 As shown, a wireless sensor network energy-saving routing method based on cluster head prediction and power control; the steps including large cycle and small round operation include large cycle 1, large cycle 2, large cycle 3, large cycle 4, large cycle 5, Large cycle 6 and so on; after each large cycle, the steps of re-constructing clusters and reallocating the TDMA time slot table for transmission; each large cycle is composed of R small round steps, and the small round steps include data collection phase steps, Data processing phase steps and cluster head prediction phase steps.

[0028] Such as figure 2 Shown: Sink node behavior, assuming that the power level of each sensor node is divided into five levels, one level represents the lowest power level, and five levels represent the highest power level. The Start message broadcast by the Sink node after each large cycle needs to include the transmission power value that the sensor node should use ...

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Abstract

The invention relates to a clustered energy-saving route method which is applied in wireless transducer network, which is a clustered energy-saving route method which is based on cluster head forecasting and power control, which utilizes residual energy parameter and distance parameter of nodes to predict for cluster heads, and lowers vast cost of frequently constitute clusters and cluster heads, and a mechanism of power control is led in clustered routes and the process of data transmitting, thereby leading average energy consumption of the nodes to be lowered, further prolonging life cycle of networks.

Description

technical field [0001] The invention relates to a clustering energy-saving routing method applied to a wireless sensor network. The invention is suitable for the application field of wireless network, especially for the application field of wireless sensor network. Background technique [0002] Wireless sensor network (wireless sensor network, WSN) is composed of a large number of cheap miniature sensor nodes and sink nodes deployed in the monitoring area. The sensor nodes form a multi-hop self-organizing network system through wireless communication. Its purpose is to cooperatively perceive, collect and process the information of the perceived objects in the network coverage area, and return the observed value to the sink node. Sensor nodes are small in size and usually carry batteries with very limited energy. Due to the large number of sensor nodes, low cost requirements, wide distribution areas, and complex deployment areas, some areas are even inaccessible to personnel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/28H04W72/04H04W72/12
CPCY02B60/50Y02D30/70
Inventor 吴昊丁一鸣
Owner BEIJING JIAOTONG UNIV
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