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Method of communication of wireless sensor network routing protocol on basis of fan-shaped clusters

A wireless sensor and routing protocol technology, applied in wireless communication, network topology, sustainable communication technology and other directions, can solve the problems of not easy to recharge, short network life cycle, heavy load of sensor nodes near the convergence point, etc., to reduce the frequency, energy saving effect

Active Publication Date: 2014-05-07
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention is to solve the problem that the sensor nodes near the convergence point are overloaded, powered by batteries with limited energy and are not easy to recharge after deployment, resulting in a short life cycle of the network, and provides a wireless sensor network routing based on fan-shaped clustering protocol communication method

Method used

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specific Embodiment approach 1

[0040] Specific implementation mode one: the specific steps of the communication method of the wireless sensor network routing protocol based on sector clustering in this implementation mode are as follows:

[0041] Step 1: Monitoring area clustering area:

[0042] The entire monitoring area is divided into m fan-shaped areas and n ring-shaped layers. The first layer near the convergence point does not form clusters, and there are m*(n-1) clustering areas in total;

[0043] Step 2: Relay point selection in the network establishment phase:

[0044] The convergent point first goes to d 1 The nodes in the energy bottleneck area within the radius send election conditions, and the nodes that meet the energy conditions send requests to the sink point, and the sink point selects a relay node from each of the divided m fan-shaped areas, and selects the highest energy value for the first time If there are multiple nodes with the same energy, randomly select one as a relay point;

[...

specific Embodiment approach 2

[0065] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in the first step, the monitoring area is a circular area with the convergence point S as the center and the radius L.

[0066] Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0067] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that in Step 3, the sensor node transmission mode is divided into two types: 1) Radius d 1 All sensor nodes within the range directly send data to the sink point S, and act as relay nodes at the same time, forwarding the data sent back by the peripheral sensors; 2) in the d 1 The area outside the circle with radius is divided into ring-shaped areas of different sizes with different radii. In these areas, the clustering algorithm is used for data collection. Each sensor node gathers the collected data to the cluster head and then performs data fusion. Then send it to the upper-level cluster head or relay point, and send the data to the convergence point through multi-hop. The entire network is processed in layers. The layer close to the convergence point is the first layer, and the outer layer is the second layer and the third layer..., so as to By analogy, the sink node knows the location and ...

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Abstract

The invention discloses a method of communication of a wireless sensor network routing protocol on the basis of fan-shaped clusters, and relates to a wireless sensor network routing protocol algorithm on the basis of the fan-shaped clusters, in particular to a related principle and method for balancing energy of nodes in a wireless sensor network with a convergence point in the center. The method of communication of the wireless sensor network routing protocol on the basis of the fan-shaped clusters is used for solving the problems that the load of nodes, close to the convergence point, of a sensor is overhigh, batteries with limited energy are used for providing electricity, and recharging cannot be easily carried out after deployment is accomplished, so that the service life of the wireless sensor network is short. The method of communication of the wireless sensor network routing protocol on the basis of the fan-shaped clusters comprises the steps that (1) a monitored area is divided into cluster areas; (2) relay points are selected in the stage of network construction; (3) cluster heads are selected in the stage of network construction; (4) time slots are distributed; (5) the relay points stop working and continue working in the stage of network stabilization; (6) the cluster heads stop working and continue working; (7) data acquisition and data fusion are carried out; (8) data transmission is carried out. The method of communication of the wireless sensor network routing protocol on the basis of the fan-shaped clusters is applied to the field of communication.

Description

technical field [0001] The invention relates to a routing protocol algorithm of a wireless sensor network based on fan-shaped clustering, in particular to a related principle and method for energy balance of each node in a wireless sensor network in which the convergence point is located at the center. Background technique [0002] In recent years, with the development of sensor technology and wireless communication technology, wireless sensor networks (Wireless Sensor Networks) have become more and more widely used, especially for information collection in some areas with harsh natural environments. The wireless sensor network is a monitoring network that collects environmental information by micro sensor nodes distributed in the monitored environment, and transmits data to the sink point for processing through wireless networking. Sensor nodes are generally powered by batteries with limited energy and are not easy to recharge after deployment, which leads to a certain life...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/10H04W84/18
CPCY02D30/70
Inventor 白旭张佳岩高玉龙吴少川张士伟
Owner HARBIN INST OF TECH
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