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Method for selecting wireless Mesh network transmitting power for three-dimensional scene and equipment

A technology of transmitting power and three-dimensional scenes, which is applied in power management, wireless communication, electrical components, etc., can solve the problems that are not suitable for three-dimensional scenes, the method is complicated, and multiple network performance indicators are not considered comprehensively.

Inactive Publication Date: 2015-01-07
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

However, this method is more complicated and requires multiple interactions between the server and ordinary nodes and ordinary nodes.
[0006] The power control methods in the prior art only consider two-dimensional scenarios, which are not suitable for applications and three-dimensional scenarios; in addition, most of the existing technical solutions only consider single-objective optimization, and do not comprehensively consider multiple network performance indicators

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  • Method for selecting wireless Mesh network transmitting power for three-dimensional scene and equipment
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  • Method for selecting wireless Mesh network transmitting power for three-dimensional scene and equipment

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Embodiment Construction

[0118] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0119] Such as figure 1 Shown, a kind of method for the wireless Mesh network transmission power selection of 3D scene, it comprises the following steps:

[0120] S1: Neighbor information collection, collecting neighbor node information, the research node builds a neighbor list based on the collected neighbor node information, and calculates the distance between the neighbor node and the research node according to the received signal strength;

[0121] S2: Performance evaluation, the root node generates different network topology maps based on the neighbor node information collected each time, determines the network trade-off function, and evaluates network performance;

[0122] S3: Iterative optimization, using an iterative method to grad...

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Abstract

The invention discloses a method for selecting wireless Mesh network transmitting power for a three-dimensional scene and equipment. The method and the equipment are used for determining the transmitting power of all nodes according to the positions of all the nodes in a network and the distances between all the nodes. The method includes the specific steps that at the beginning, all the nodes transmit signals at maximum power, and neighbor information is detected; a neighbor list is formed through the nodes according to the detected neighbor information, wherein the neighbor list comprises the distances between neighbor nodes, signal intensity and other information; the nodes upload the neighbor list of the nodes to a root node, and the root node grasps the position and the distance information of all the nodes in the whole network; the root node calculates an optimal transmitting power set of all the nodes in a centralized mode according to an overall performance trade-off model and an overall iterative optimization algorithm and gives a notice to all the nodes in the network; the nodes adjust the transmitting power of the nodes according to received power adjusting information from the root node. The invention further discloses the equipment capable of achieving a power selection scheme.

Description

technical field [0001] The invention relates to the field of wireless Mesh networks, in particular to a method and device for selecting transmission power of a wireless Mesh network used in a three-dimensional scene. Background technique [0002] WMN (Wireless Mesh Network), also known as wireless mesh network, has the characteristics of self-organization and multi-hop relay. It is a distributed network with wide coverage, high speed and large capacity. In a broad sense, any topology shape is Mesh-type wireless networks can be regarded as wireless Mesh networks, but in a narrow sense, they are mainly composed of routing Mesh nodes and user terminals (STAs). Among them, routing Mesh nodes have weak mobility and can be subdivided There are three types: Mesh Point (MeshPoint, MP), which refers to a node that supports wireless Mesh services, and its main services include routing selection and information forwarding; Mesh Access Point (MeshAccess Point, MAP), MAP is used as an in...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/24H04W52/26
CPCH04W52/243H04W52/283
Inventor 林水生胡光晓许维阎波周亮衡鹏
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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