UAV-ASSISTED EMERGENCY NETWORKS IN DISASTERS

被引：578

作者：

Zhao, Nan ^{[1
,2
]}

Lu, Weidang ^{[4
]}

Sheng, Min ^{[3
]}

Chen, Yunfei ^{[5
]}

Tang, Jie ^{[6
]}

Yu, F. Richard ^{[7
]}

Wong, Kai-Kit ^{[8
]}

机构：

[1] Dalian Univ Technol, Dalian, Peoples R China

[2] Xidian Univ, Xian, Shaanxi, Peoples R China

[3] Xidian Univ, State Key Lab Integrated Serv Networks, Xian, Shaanxi, Peoples R China

[4] Zhejiang Univ Technol, Coll Informat Engn, Hangzhou, Zhejiang, Peoples R China

[5] Univ Warwick, Coventry, W Midlands, England

[6] South China Univ Technol, Guangzhou, Guangdong, Peoples R China

[7] Carleton Univ, Ottawa, ON, Canada

[8] UCL, Wireless Commun, Dept Elect & Elect Engn, London, England

来源：

IEEE WIRELESS COMMUNICATIONS | 2019年 / 26卷 / 01期

基金：

中国国家自然科学基金;

关键词：

LINK;

D O I：

10.1109/MWC.2018.1800160

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Reliable and flexible emergency communication is a key challenge for search and rescue in the event of disasters, especially for the case when base stations are no longer functioning. Unmanned aerial vehicle (UAV)-assisted networking is emerging as a promising method to establish emergency networks. In this article, a unified framework for a UAV-assisted emergency network is established in disasters. First, the trajectory and scheduling of UAVs are jointly optimized to provide wireless service to ground devices with surviving BSs. Then the transceiver design of UAV and establishment of multihop ground device-to-device communication are studied to extend the wireless coverage of UAV. In addition, multihop UAV relaying is added to realize information exchange between the disaster areas and outside through optimizing the hovering positions of UAVs. Simulation results are presented to show the effectiveness of these three schemes. Finally, open research issues and challenges are discussed.

引用

页码：45 / 51

页数：7

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