| Summary: | 碩士 === 國立中正大學 === 通訊工程研究所 === 107 === Due to the development of high-speed wireless networks, the loading of base stations is increasing. With the development of the fifth-generation (5G) mobile communications, unmanned aerial vehicles (UAVs), also called drones, will be an important platform in the future, and play an assistant role in mitigating the loading of base station. One of the important scenarios in 5G is ultra-reliable and low-latency communication (URLLC). We will discuss the communication reliability when UAV is hovering.
This thesis considers the channel model of UAV to UAV, and divides it into a 2D one-ring scattering model and a 3D two-ring scattering model, and adds the signal attenuation model, it can be closer to the real situation. When the transmitter (UAV) and the receiver are equipped with multiple antennas, it can improve the performance of communications. Our goal is to maximize the signal-to-noise ratio (SNR) and achieve the optimal of outage probability. The closed form of the outage probability of UAV is derived. By using Matlab, the numerical results verify that the accuracy of the theoretical results and illustrate the performance of the outage probability.
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