Millimeter wave/terahertz communication method, device and system based on visual perception

Abstract

The present invention provides a millimeter wave / terahertz communication method, device and system based on visual perception, wherein the communication method includes: using a camera to collect image information and depth information of a mobile terminal in real time; using the intelligent reflective surface to identify according to the image information The position of the mobile terminal in the image is obtained; based on the depth information of the mobile terminal, the position of the mobile terminal in the image is converted into the three-dimensional coordinates of the mobile terminal; the pitch of the real-time position of the mobile terminal is calculated based on the three-dimensional coordinates of the mobile terminal Angle and azimuth, control the antenna of the smart reflector to point the signal beam in the direction of the mobile terminal. The invention can quickly identify the mobile terminal and determine the target position, and control the phased array antenna of the intelligent reflective surface to generate the pitch angle and azimuth angle of the corresponding direction, which can make the beam point to the corresponding target faster, improve the ability to identify the position of the mobile terminal, and reduce the time delay to achieve real-time beam tracking.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a visual perception-based millimeter wave / terahertz communication method, device and system. Background technique [0002] Since its inception, the communication technology industry has been following the "Moore's Law" of "renewing every ten years". From the analog communication method of the first generation of mobile communication (1G) in 1980 to 2G with TDMA as the core technology around 1990, In the 3G era with CDMA as the core technology at the beginning of this century, and the large-scale commercial use of 4G mobile communication networks with OFDM technology as the core around 2010, mobile communications as a whole are becoming faster, more stable, development in an increasingly safe direction. 2020 is called "the first year of 5G" because of the advent of the fifth-generation mobile communication technology (5G). (mMTC) and other scenarios have a good pe...

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned system relies heavily on the hardware of the smart reflective surface. When the energy of the scanning signal is weak or the energy of the beacon signal is difficult to detect, it is inconvenient to determine the direction of the mobile terminal.

And the pilot takes up more channel resources

When the number of mobile terminals is large, the computational complexity also rises sharply, and the delay is large

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