Millimeter wave full duplex unmanned aerial vehicle communication relay transmission method

Abstract

The invention discloses a millimeter wave full duplex unmanned aerial vehicle communication relay transmission method, and belongs to the technical field of millimeter wave communication. The method comprises the following steps: constructing a communication scene from a ground base station to a ground user by taking an unmanned aerial vehicle as a relay, and establishing a channel model of a downlink communication system from the ground base station to the user by taking the unmanned aerial vehicle as the relay by utilizing a spatial position model; in the simultaneous same-frequency full duplex mode, enabling the ground base station to transmit a signal to the unmanned aerial vehicle, and enabling the unmanned aerial vehicle to transmit a signal to user equipment; designing the optimal position of the unmanned aerial vehicle under the ideal beamforming condition, giving the position optimization beamforming vector of the unmanned aerial vehicle, and giving the beamforming vector to optimize the power of the base station and the unmanned aerial vehicle transmitting signal. According to the method, for a downlink transmission system taking an unmanned aerial vehicle as a relay, thecoverage range of millimeter wave communication is expanded, the communication capacity of the system is improved, and optimal power control under any given unmanned aerial vehicle relay position andbeam forming is provided.

Description

technical field

[0001] The invention belongs to the technical field of millimeter wave communication, in particular to a millimeter wave full-duplex unmanned aerial vehicle communication relay transmission method. Background technique

[0002] With the development of the fifth generation communication system, high data transmission rate has become one of the key performance requirements of wireless communication system, and the explosive growth of transmitted data has brought great challenges to future mobile communication. It is predicted that the personal data rate will exceed 100Gbps before 2030, and the total data transmission volume will reach 5ZB / month. High data rate, low latency, low cost, high system capacity, and large-scale device connectivity become the goals of 5G.

[0003] In order to meet the higher performance requirements of 5G, it is necessary to explore millimeter wave communication with abundant frequency band resources (30-300GHz) to provide technical s...

Examples

Embodiment

[0202] The system reachability performance of the full-duplex UAV communication relay position deployment, beamforming and power control method of the present invention, the simulation parameters are set as follows: UAV height h V = 100m, the noise power at the UAV and the user are the same, that is, σ 1 = σ 2 =σ, the large-scale attenuation coefficient in the channel matrix α=3, the channel matrix power normalization constant β satisfies the normalization condition when the distance d=100m The carrier frequency is 38GHz, and the antenna size of the base station and the user end is M B ×N B = M U ×N U =16×16, reduce the step size κ=10, users are distributed in a disk with the base station as the center and a radius of 500m, and all points in the curve are 10 3 Average reachability calculated from random distribution of secondary users and channel generation.

[0203] Figure 3 to Figure 6 Among the four curves, the "ideal upper bound" corresponds to the upper bound of ...

technical field

[0001] The invention belongs to the technical field of millimeter wave communication, in particular to a millimeter wave full-duplex unmanned aerial vehicle communication relay transmission method. Background technique

[0002] With the development of the fifth generation communication system, high data transmission rate has become one of the key performance requirements of wireless communication system, and the explosive growth of transmitted data has brought great challenges to future mobile communication. It is predicted that the personal data rate will exceed 100Gbps before 2030, and the total data transmission volume will reach 5ZB / month. High data rate, low latency, low cost, high system capacity, and large-scale device connectivity become the goals of 5G.

[0003] In order to meet the higher performance requirements of 5G, it is necessary to explore millimeter wave communication with abundant frequency band resources (30-300GHz) to provide technical s...

Examples

Embodiment

[0202] The system reachability performance of the full-duplex UAV communication relay position deployment, beamforming and power control method of the present invention, the simulation parameters are set as follows: UAV height h V = 100m, the noise power at the UAV and the user are the same, that is, σ 1 = σ 2 =σ, the large-scale attenuation coefficient in the channel matrix α=3, the channel matrix power normalization constant β satisfies the normalization condition when the distance d=100m The carrier frequency is 38GHz, and the antenna size of the base station and the user end is M B ×N B = M U ×N U =16×16, reduce the step size κ=10, users are distributed in a disk with the base station as the center and a radius of 500m, and all points in the curve are 10 3 Average reachability calculated from random distribution of secondary users and channel generation.

[0203] Figure 3 to Figure 6 Among the four curves, the "ideal upper bound" corresponds to the upper bound of ...

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