Full-dimension antenna heterogeneous network vertical dimension beam forming method

A beamforming, full-dimensional technology, applied in the field of vertical-dimensional beamforming of full-dimensional antenna heterogeneous networks, can solve the problem of inaccurate analysis of heterogeneous network deployment, high distribution density of micro base stations and users, and a large proportion of vertical dimension distribution. And other issues

Active Publication Date: 2018-05-15
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

In the central area of ​​the city, the distribution density of micro base stations and users is high, and the vertical dimension distribution accounts for a large proportion; the heterogeneous network model with random distribution on the plane has been unable to accurately analyze the deployment of heterogeneous networks

Method used

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  • Full-dimension antenna heterogeneous network vertical dimension beam forming method
  • Full-dimension antenna heterogeneous network vertical dimension beam forming method
  • Full-dimension antenna heterogeneous network vertical dimension beam forming method

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Embodiment Construction

[0038] As mentioned in the background technology section, how to improve the security of the physical layer in the three-dimensional heterogeneous network is an urgent problem to be solved by those skilled in the art.

[0039] The core idea of ​​the present invention is that with the introduction of full-dimensional multi-antennas, the vertical dimension can be flexibly adjusted, so that the performance of the heterogeneous network can be further improved. The invention proposes a method for optimizing the security of the physical layer by the antenna tilt angle of the base station under the background of the three-dimensional heterogeneous network. The antenna tilt angle in the vertical direction is added to the three-dimensional heterogeneous cellular network to increase the spatial freedom in the vertical dimension, which can be used as the optimization of the beam in the vertical direction, so that each user in the heterogeneous network can be better tracked , improve phys...

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Abstract

The invention discloses a beam forming method for maximizing average security rate vertical dimension in a configured full-dimensionality antenna heterogeneous network. According to the method, the fact that three-dimensional random distribution is employed for base station distribution, legal user distribution and eavesdropping user distribution is taken into consideration for the first time, signal to noise ratio cumulative distribution functions of legal users and eavesdropping users are derived, and an average security rate closed expression is acquired according to the cumulative distribution functions; and a vertical beam forming matrix is calculated according to the closed expression, and an average security rate is maximized.

Description

technical field [0001] The invention belongs to the field of mobile communication, and in particular relates to a vertical dimension beamforming method for a full-dimensional antenna heterogeneous network. Background technique [0002] At present, heterogeneous network analysis research is usually carried out under the two-dimensional random distribution model, which is mainly suitable for scenes such as rural or suburban areas, but not suitable for urban center areas with high distribution density. In the central area of ​​the city, the distribution density of micro base stations and users is high, and the vertical dimension distribution accounts for a large proportion; the heterogeneous network model with random distribution on the plane has been unable to accurately analyze the deployment of heterogeneous networks. [0003] Some mobile phone users act as potential eavesdroppers. Because of the broadcast nature of the wireless medium, unauthorized receivers located within ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/024H04B7/0456H04B7/06H04B17/336H04B17/391
CPCH04B7/024H04B7/0456H04B7/0617H04B7/0632H04B17/336H04B17/3911
Inventor 赵伟鲍慧李保罡
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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