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Millimeter wave communication link blocking prediction method based on visual information fusion

A communication link and visual information technology, which is applied in the field of wireless communication and deep learning, can solve the problems that mobile congestion cannot be predicted well, and achieve the goal of improving parallel computing capabilities, insensitivity to signal-to-noise ratio changes, and shortening training and reasoning the effect of time

Pending Publication Date: 2022-08-02
SOUTHEAST UNIV
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Problems solved by technology

However, the algorithm is suitable for fixed blocking, and cannot predict well for mobile blocking

Method used

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  • Millimeter wave communication link blocking prediction method based on visual information fusion
  • Millimeter wave communication link blocking prediction method based on visual information fusion
  • Millimeter wave communication link blocking prediction method based on visual information fusion

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Embodiment Construction

[0081] The technical solutions of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0082] In order to deal with the complex scene of multi-directional mobile blocking existing in the real communication network, the present invention proposes a Transformer-based visual fusion beam blocking prediction method, so as to realize the sudden arrival of blocking situation in the millimeter wave communication system in advance. This solution can enable users to actively switch to other line-of-sight link base stations before blocking occurs, avoiding the sudden drop of the signal-to-noise ratio due to blocking during the communication process, and ensuring the stability of the communication process.

[0083] like Figure 1-3 As shown, the beam blocking prediction problem is modeled as a multimodal binary classification problem based on beams and images, and the model consists of an object detection module, an ...

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Abstract

The invention discloses a millimeter wave communication link blocking prediction method based on visual information fusion, and the method comprises the steps: constructing a beam sequence and a detection target sequence through employing wireless data and visual data obtained by a base station end, and inputting a multi-mode fusion neural network model to actively predict whether the beam is blocked in the future. According to the invention, the method can effectively predict the movement blocking condition in the communication process, can enable a user to actively switch to another line-of-sight link base station before blocking, guarantees that the communication is always in a line-of-sight link state, and improves the stability of a millimeter wave communication system.

Description

technical field [0001] The invention belongs to the fields of wireless communication and deep learning, and in particular relates to a beam blocking prediction method of a millimeter wave communication system based on visual information fusion. Background technique [0002] Millimeter wave and massive MIMO are one of the important key technologies of 5G mobile communication. The large bandwidth of millimeter wave can greatly increase the channel capacity and meet the high data rate requirements of future applications such as unmanned driving and virtual reality. Using beamforming technology, the base station can align the beam direction of the signal to the location of the user, which improves the signal-to-noise ratio of communication. [0003] A key challenge for mmWave communication systems, however, is the susceptibility of high-frequency signals to blocking. The transmission of high-frequency signals mainly relies on line-of-sight links due to their high free space los...

Claims

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Application Information

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IPC IPC(8): H04W24/06H04W36/30H04W36/08H04L41/147G06N3/08G06N3/04
CPCH04W24/06H04W36/30H04W36/08H04L41/147G06N3/084G06N3/044G06N3/045Y02D30/70
Inventor 杨绿溪张明寒邓淼佩周婷李春国黄永明
Owner SOUTHEAST UNIV
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