A survey on unmanned aerial vehicle relaying networks
Open Access
- 1 February 2021
- journal article
- research article
- Published by Institution of Engineering and Technology (IET) in IET Communications
- Vol. 15 (10), 1262-1272
- https://doi.org/10.1049/cmu2.12107
Abstract
With the explosive growth of data communications, existing infrastructure networks are under ever-increasing pressure. Due to the advantages of fully controllable mobility, rapid deployment, and low cost, the unmanned aerial vehicles (UAVs) have attracted much attentions from both industry and academia in recent years, and it has become an inevitable trend to employ UAVs to enhance the network performance in different environments. As an important paradigm of UAV-assisted communications, UAV relaying communications has been regarded as a promising solution in enhancing connectivity and improving transmission rate. This paper for the first time comprehensively summarizes UAV relaying communications and its application scenarios, including single UAV relaying networks, multi-user UAV relaying networks, multi-hop UAV relaying networks, as well as Internet of UAVs, and deeply analyzes the key technologies and challenges to be solved under this topic. Furthermore, the state-of-the-art researches and opportunities of UAV relaying communications are discussed in detail.Keywords
Funding Information
- National Natural Science Foundation of China (61936014, 61901302)
- Natural Science Foundation of Shanghai (20ZR1462400)
- Fundamental Research Funds for the Central Universities
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