Recently, unmanned aerial vehicles (UAVs) have grabbed impressive attention from industry and research network, because of the faster growth in a wide scope of applications. Especially, UAVs are being utilized to ensure a better solution to a dependable and cost-effective wireless communication network from the sky. The adoption of UAVs has been considered as an alternative supplement of the existing cellular networks, to accomplish better transmission efficiency with enhanced coverage and network capacity. This article has represented some wireless communication scenarios where UAVs can be utilized to ensure better coverage, enhancement of efficiency and capacity. After that, to establish the effectiveness of UAVs in wireless communication, the paper has included several performance scenarios (path loss, attenuation, and data rate) after utilizing UAVs in the wireless network. Finally concluded with discussing several challenges for UAV assisted wireless networks and the scope of further enhancement of such kind of networks. This article might be informative to those who are engaged in research regarding UAV assisted wireless communication.

最近，由于广泛的应用范围的快速增长，无人驾驶飞机（UAV）引起了行业和研究网络的广泛关注。尤其是，无人机被用来确保更好地解决来自空中的可靠且具有成本效益的无线通信网络的问题。无人机的采用已被认为是现有蜂窝网络的替代补充，以通过增强的覆盖范围和网络容量来实现更好的传输效率。本文介绍了一些无线通信场景，在这些场景中，可以利用UAV来确保更好的覆盖范围，提高效率和容量。此后，为了确定无人机在无线通信中的有效性，本文包括了几种性能场景（路径损耗，衰减，和数据速率）。最后，最后讨论了无人机辅助无线网络面临的几个挑战以及此类网络进一步增强的范围。本文可能对那些从事有关无人机辅助无线通信的研究者有所帮助。