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Balanced energy-saving routing method based on smart antenna and dynamic virtual cluster

A technology of smart antenna and energy balance, which is applied in energy-saving ICT, wireless communication, and energy reduction, and can solve problems such as energy consumption

Active Publication Date: 2013-01-23
CHINA UNIV OF MINING & TECH
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a balanced energy-saving routing method based on smart antennas and dynamic virtual clusters to solve the problem of energy consumption between nodes in wireless sensor networks

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  • Balanced energy-saving routing method based on smart antenna and dynamic virtual cluster
  • Balanced energy-saving routing method based on smart antenna and dynamic virtual cluster

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Embodiment 1

[0049] Embodiment 1: The present invention is based on the balanced energy-saving routing algorithm of smart antennas and virtual clusters, adopts the routing algorithm SaDVC-Routing combining energy saving and energy consumption balance, and constructs virtual clusters within the beam range of auxiliary relays and smart antennas, from Select the node with the largest relay weight value in the cluster to act as the routing relay, and use the beam expansion method to dynamically update the virtual cluster according to the energy consumption of the node and the distance between nodes. If the beam width exceeds the threshold or the relay node dies, the The weighted distance matrix re-initiates the routing request and re-establishes the routing relay; including: 1. Constructing a transmission power model; 2. Constructing an energy consumption model; 3. Dynamic construction and updating of virtual clusters; the specific methods are as follows:

[0050] 1. Construct a transmission po...

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Abstract

The invention relates to a balanced energy-saving routing method based on a smart antenna and a dynamic virtual cluster, which belongs to the wireless sensor network routing method. According to the invention, a virtual cluster is constructed in the beam range of an auxiliary relay and the smart antenna; a node with the largest relay weighted value is selected from the cluster to serve as the routing relay; the virtual cluster is updated dynamically by a beam expansion method according to the energy consumption condition of the node and the distance between the nodes; a routing request is re-initialized to re-construct a routing relay according to a weighted distance matrix if the beam width exceeds a threshold value or the relay node is died. The method comprises the steps of constructing a transmission power model; constructing an energy consumption module; and dynamically constructing and updating the virtual cluster. The balanced energy-saving routing method provided by the invention can effectively reduce the energy consumption of the wireless sensor network by combining the smart antenna with dynamic virtual cluster, and can realize uniform energy consumption distribution among the nodes while saving the energy by introducing the dynamic virtual cluster mechanism and by dynamically selecting the relay node according to the survival condition of the network nodes, thereby prolonging the relay life of the nodes.

Description

technical field [0001] The invention relates to a wireless sensor network routing method, in particular to a balanced energy-saving routing method based on smart antennas and dynamic virtual clusters. Background technique [0002] With the rapid development of Internet of Things technology, wireless sensor network technology, as its core component, is widely used in many intelligent fields such as environmental monitoring, remote control, urban management, industrial and agricultural control, military defense, biomedicine, etc., and has become one of the main research hotspots. First, the use of wireless sensor networks to collect and transmit data is an important research content. Generally, wireless sensor networks operate in harsh environments, where humans are scarce and inaccessible. Therefore, maintenance and operation are difficult, and the routing nodes of the network usually cannot replenish energy at any time. [0003] Wireless sensor networks need continuous moni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/08H04W52/02H04W52/34H04W84/18
CPCY02B60/50Y02D30/70
Inventor 胡青松张申丁恩杰吴立新刘伟
Owner CHINA UNIV OF MINING & TECH
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