A method of unmanned aerial vehicle-to-ground safe transmission power distribution

Abstract

A UAV-to-ground safe transmission power distribution method, the method is to dynamically divide the circular flight trajectory of the UAV into several time slots during the flight process, and in each time slot, regardless of the location of the safe user The lowest transmission power is assigned to both near and far; for other users, the power is allocated according to the distance of their location. In this way, it is ensured that the security user is not eavesdropped, and at the same time, the transmission rate of other users is maximized. In addition, this patent also provides the upper limit of the transmission rate threshold of security users at various relative distance positions, and the linear relationship between the transmission rate of ordinary users and the transmission rate threshold of security users.

Description

technical field

[0001] The invention belongs to the technical field of UAV multi-user wireless communication network security, and relates to a user power allocation strategy for UAVs with circular trajectories to ensure the information security of safe users, and specifically refers to a UAV-to-ground safe transmission power Allocation method. Background technique

[0002] Due to its advantages of high mobility, convenient deployment and low cost, UAV has become a research focus of cutting-edge communications. In addition, the shortage of channel resources is an increasingly prominent contradiction in the communication industry. With the explosive growth of information in modern society, the exponential increase of mobile terminals and data transmission traffic, the resources of transmission frequency bands are becoming more and more precious. This is also a bottleneck problem that hinders the current and future communication industry from hindering user growth and informa...

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