A mobile sink data collection method based on energy balance tree

A technology for data collection and energy balance, which is applied in the intersection of computer network and wireless communication technology, can solve the problem of large randomness in the deployment of sensing nodes, and achieve the effects of ensuring adaptability, improving work efficiency, and high success rate of data transmission

Active Publication Date: 2020-09-15
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
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Problems solved by technology

[0004] However, the deployment of sensing nodes is highly random, and with the increasing variety of application types, the contradiction between the ever-increasing network scale and the ever-increasing real-time requirements for data interaction has become increasingly prominent

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  • A mobile sink data collection method based on energy balance tree
  • A mobile sink data collection method based on energy balance tree
  • A mobile sink data collection method based on energy balance tree

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Embodiment Construction

[0049] The present invention will be further described below. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0050] The mobile sink data collection method based on energy balance tree of the present invention, comprises the following steps:

[0051] The first stage: establish the minimum cost data collection tree stage, as follows:

[0052] Step 1: Let the node closest to the geometric center of the network be the root node. If there is more than one node that meets the condition, one of them is randomly selected as the root node, which is recorded as S 0 , let it be the 0th layer node.

[0053] Step 2: The root node sends a broadcast packet to all nodes within its one-hop range. Let each node receiving the broadcast packet be the direct child node of the root node, that is, the first layer node, and return a confirmation packet to the root no...

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Abstract

The invention discloses a mobile Sink data collection method based on an energy balance tree, which aims to construct a network-wide data collection tree with minimum cost, and on this basis, dividesthe tree into several data collection sub-trees with similar scales and small energy consumption differences, and regards the sub-tree root as a traversal node. At the same time, the roles of the partial traversal node and the relay node are adjusted for further reduce the communication energy consumption and delay. The method provided by the invention shows obvious advantages in terms of the length of the moving path, the success rate of data transmission, the lifetime of the network, etc., and improves the working efficiency of the whole network.

Description

technical field [0001] The invention relates to a mobile sink data collection method based on an energy balance tree, which belongs to the cross field of computer network and wireless communication technology. Background technique [0002] As a bridge between nodes and terminals, the role of Sink with strong perception, computing and communication capabilities in wireless sensor networks is self-evident. For a long time, the star or tree topology centered on the static sink has been the main mode of data collection in wireless sensor networks. However, problems such as "single-hop data upload can easily lead to high energy consumption", "multi-hop relay interaction can easily cause high latency" and "the many-to-one mode makes the nodes near the center too heavy and form energy holes" have become the challenges of its application. barrier. [0003] With the advent of the era of big data and mobile interaction, the data collection problem of wireless sensor nodes, which is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/38H04W40/04H04W40/10
CPCH04W4/38H04W40/04H04W40/10Y02D30/70
Inventor 沙超宋丹丹张路任春晖卞遥黄海平徐鹤王汝传
Owner NANJING UNIV OF POSTS & TELECOMM
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