Distributed determining method and route proposal of wireless sense network energy inadequacy level

A technology for wireless sensor networks and determination methods, which is applied in the field of energy-saving routing of wireless sensor networks, and can solve problems such as data failure to be transmitted, node death, etc.

Inactive Publication Date: 2009-11-04
北京循天行信息技术有限公司
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Problems solved by technology

Then the data collected by the network in this area cannot be transmitted, which is equivalent to the death of all nodes in this area

Method used

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  • Distributed determining method and route proposal of wireless sense network energy inadequacy level
  • Distributed determining method and route proposal of wireless sense network energy inadequacy level
  • Distributed determining method and route proposal of wireless sense network energy inadequacy level

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawings and examples.

[0012] The protocol is divided into two stages. The first stage completes the exchange of local energy information, and the second stage completes path discovery based on the energy sequence information obtained in the first stage. The second stage utilizes the information obtained in the first stage to assist path discovery. The two phases can work in parallel, and the second phase can start without waiting for the first phase to complete.

[0013] The protocol is divided into two phases. The first phase completes the exchange of local energy information, such as figure 1 shown. Each node diffuses its own residual energy information group to its adjacent area with period T. Each node shall hold a sequence number seq. Each remaining energy information packet carries the following information: source node id value, seq value, remaining energy value of the n...

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Abstract

The invention belongs to the technical field of wireless sensor network energy-saving route, and in particular relates to a mode for mutually exchanging energy information data packets through a local range node in a wireless sensor network, so that the node acquires the sequence of rest energy of the node in surrounding k hop nodes, and reduces the probability of selecting a low energy node as a routing node, and the energy is used evenly and the life cycle of the network is prolonged.

Description

technical field [0001] The invention belongs to the field of wireless sensor network energy-saving routing. It specifically relates to a method for exchanging energy information of nodes in a local area in a wireless sensor network, and applying this method in the routing selection process to avoid using low-energy nodes to forward data packets as much as possible, and to use network nodes in a balanced manner. energy to prolong the life cycle of the network. Background technique [0002] The wireless sensor network is composed of sensor nodes and information collection (sink) nodes. The sensor nodes are responsible for data collection and transmission. The sink node is responsible for summarizing the data sent by the sensor nodes in the network. It is also the control node of the entire network. Nodes are managed. [0003] Since the nodes in the wireless sensor network are deployed, it is difficult to recover them. Therefore, it is difficult to replace or recharge the ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/08H04L12/28H04L12/701
CPCY02B60/50
Inventor 赵壮张宝贤艾明达黄奎姚郑高雪张锋
Owner 北京循天行信息技术有限公司
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