Clustering multi-hop routing protocol of wireless sensor network

A wireless sensor, multi-hop routing technology, applied in network topology, wireless communication, advanced technology, etc., can solve problems such as unmaintained mobility

Inactive Publication Date: 2015-11-18
STATE GRID CORP OF CHINA +3
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  • Abstract
  • Description
  • Claims
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[0011] (4) In view of the characteristics of ...

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  • Clustering multi-hop routing protocol of wireless sensor network
  • Clustering multi-hop routing protocol of wireless sensor network
  • Clustering multi-hop routing protocol of wireless sensor network

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Embodiment Construction

[0054] The present invention will be described in detail below in conjunction with the accompanying drawings and specific calculation examples.

[0055] The network model based on the present invention assumes that n sensor nodes are randomly and evenly distributed in a two-dimensional square area R of L×L, and assumes that the sensor network has the following properties:

[0056] 1) The sensor network is a high-density static network, that is, the nodes will not move after deployment;

[0057] 2) The wireless sensor network is deployed in a two-dimensional plane without obstacles;

[0058] 3) The sensor nodes have the same structure and have the same maximum transmission distance;

[0059] 4) The aggregation node is deployed at a fixed location, and the aggregation node is unique, located on the outer edge of the observation area, without energy constraints, and has relatively strong computing and storage capabilities;

[0060] 5) Battery powered, node energy cannot be repl...

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Abstract

The invention provides a clustering multi-hop routing protocol of a wireless sensor network. In network initialization, each node forms a cluster according to position information, A sink node acquires all clusters in the network. Data transmission is initialized by the sink node. Furthermore routing from the sink node to a target cluster between cluster heads which are dynamically selected is formed in real time. The cluster head of the target cluster acquires local data local data (such as real-time data of a certain cell in the cluster) and transmits the local data to the sink node. In the establishing process of the routing, the intermediate node of the routing utilizes estimated cost for deciding a next-hop node. The estimated cost comprises a distance between a normalized intermediate node and the residual energy of the node. The clustering multi-hop routing protocol is mainly used for the field of wireless sensing network routing control.

Description

technical field [0001] The invention relates to a clustering multi-hop routing algorithm used in wireless sensor networks. The invention belongs to the technical field of wireless sensor network routing control algorithm. Background technique [0002] Wireless sensor network has become one of the research hotspots of wireless communication network. The transmission of data in the network is inseparable from the routing protocol. The task of the routing protocol is to establish a route between the sensor node and the sink node, so as to transmit data reliably. Since the sensor network is a resource-constrained network, the design of the routing protocol should not be too complicated, too much information should not be stored on the nodes, too many messages should not be exchanged between nodes, and so on. In order to effectively complete the above tasks, many existing routing protocols mostly use the following features: [0003] (1) Due to the large number of nodes in the ...

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Application Information

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IPC IPC(8): H04W40/10H04W84/18
CPCH04W40/10H04W84/18Y02D30/70
Inventor 杨永标蒋玮周赣王金明张强申庆斌
Owner STATE GRID CORP OF CHINA
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