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Underwater sensor network routing method of plurality of mobile convergent nodes

An underwater sensor and sink node technology, applied in network topology, advanced technology, electrical components, etc., can solve problems such as the inability to apply multiple mobile sink node network structures, and achieve the promotion of marine environment management, low channel bandwidth, and energy consumption. big effect

Active Publication Date: 2015-04-08
HARBIN ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the E-PULRP method is applicable to the network environment centered on a single fixed aggregation node, and cannot be applied to the network structure of multiple mobile aggregation nodes, which has limitations

Method used

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  • Underwater sensor network routing method of plurality of mobile convergent nodes
  • Underwater sensor network routing method of plurality of mobile convergent nodes
  • Underwater sensor network routing method of plurality of mobile convergent nodes

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Embodiment Construction

[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0031] The underwater routing method of the present invention is described in detail from three aspects: energy loss model, layering stage and transmission stage.

[0032] The energy loss model gives the energy consumption generated by data transmission, and optimizes the hierarchical structure through energy control to avoid the exhaustion of node energy; Layer structure, ordinary nodes are in a hierarchical structure of multiple sink nodes; in the transmission phase, the source node selects the forwarding node through a certain strategy to send data to the target sink node.

[0033] Energy loss model: Communication in underwater environments is heavily affected by factors such as water temperature, chemical composition, and water depth. Through the study of the communication path of two adjacent nodes, the energy loss model is formally defined as:

[0034...

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Abstract

The invention discloses an underwater sensor network routing method of a plurality of mobile convergent nodes. The underwater sensor network routing method comprises a layering phase and a transmission phase, wherein in the layering phase, each convergent node forms a layered structure at the center; in the transmission phase, a source node transmits data to a target convergent node according to the nth layered structure of the convergent node s. The source node transmits the data to a next-hop forwarding node by two policies; the next-hop forwarding node transmits the data by using the same manner until a data packet is successfully sent to the convergent nodes. According to the underwater sensor network routing method, the policies are selected through the target convergent node so that the length of successively sending the data packet to a path can be effectively reduced, and furthermore, the energy consumption is reduced. The forwarding node selection policy optimizes a transmission path so that the deliverability rate of the data packet is improved.

Description

technical field [0001] The invention belongs to a routing method for an underwater wireless sensor network, in particular to a routing method for an underwater sensor network with multiple mobile convergence nodes, which is applicable to a network with multiple mobile convergence nodes. Background technique [0002] The underwater sensor network can provide better technical equipment and information platforms for activities such as marine environmental management, resource protection, disaster monitoring, marine engineering, and offshore production operations. Therefore, the underwater sensor network has received great attention from government departments, industries, academia and scientific research institutions all over the world. The sea network Seaweb research project hosted by the U.S. Office of Naval Research and the Air Sea Warfare System Center began actual underwater networking experiments as early as 1998. In recent years, more universities and research structure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/04H04W52/02H04W84/18
CPCH04W40/04H04W52/0212H04W84/18Y02D30/70
Inventor 王卓冯晓宁刘佳杰刘秀龙朱晓龙张文
Owner HARBIN ENG UNIV
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