Joint Altitude and Beamwidth Optimization for UAV-Enabled Multiuser Communications

被引：222

作者：

He, Haiyun ^{[1
]}

Zhang, Shuowen ^{[1
]}

Zeng, Yong ^{[1
]}

Zhang, Rui ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117583, Singapore

来源：

IEEE COMMUNICATIONS LETTERS | 2018年 / 22卷 / 02期

关键词：

UAV communication; altitude optimization; directional antenna; beamwidth optimization; wireless network;

D O I：

10.1109/LCOMM.2017.2772254

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We study multiuser communication systems enabled by an unmanned aerial vehicle (UAV) that is equipped with a directional antenna of adjustable beamwidth. We propose a fly-hover-and-communicate protocol, where the ground terminals are partitioned into disjoint clusters that are sequentially served by the UAV as it hovers above the corresponding cluster centers. We jointly optimize the UAV's flying altitude and antenna beamwidth for throughput optimization in three fundamental multiuser communication models, namely, UAV-enabled downlink multicasting, downlink broadcasting, and uplink multiple access. Results show that the optimal UAV altitude and antenna beamwidth critically depend on the communication model considered.

引用

页码：344 / 347

页数：4

共 13 条

[1] Optimal LAP Altitude for Maximum Coverage [J].

Al-Hourani, Akram ;

Kandeepan, Sithamparanathan ;

Lardner, Simon .

IEEE WIRELESS COMMUNICATIONS LETTERS, 2014, 3 (06) :569-572

[2]

Balanis C. A., 2016, ANTENNA DESIGN ANAL, V4th

[3]

Bor-Yaliniz R. I., 2016, PROC IEEE INT C COMM, P1

[4] Partially Reflective Surface Antenna With Dynamic Beamwidth Control [J].

Debogovic, Tomislav ;

Perruisseau-Carrier, Julien ;

Bartolic, Juraj .

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 2010, 9 :1157-1160

[5] THE TRAVELING SALESMAN PROBLEM - AN OVERVIEW OF EXACT AND APPROXIMATE ALGORITHMS [J].

LAPORTE, G .

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 1992, 59 (02) :231-247

[6] Placement Optimization of UAV-Mounted Mobile Base Stations [J].

Lyu, Jiangbin ;

Zeng, Yong ;

Zhang, Rui ;

Lim, Teng Joon .

IEEE COMMUNICATIONS LETTERS, 2017, 21 (03) :604-607

[7] Cyclical Multiple Access in UAV-Aided Communications: A Throughput-Delay Tradeoff [J].

Lyu, Jiangbin ;

Zeng, Yong ;

Zhang, Rui .

IEEE WIRELESS COMMUNICATIONS LETTERS, 2016, 5 (06) :600-603

[8] Efficient Deployment of Multiple Unmanned Aerial Vehicles for Optimal Wireless Coverage [J].

Mozaffari, Mohammad ;

Saad, Walid ;

Bennis, Mehdi ;

Debbah, Merouane .

IEEE COMMUNICATIONS LETTERS, 2016, 20 (08) :1647-1650

[9] Unmanned Aerial Vehicle With Underlaid Device-to-Device Communications: Performance and Tradeoffs [J].

Mozaffari, Mohammad ;

Saad, Walid ;

Bennis, Mehdi ;

Debbah, Merouane .

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2016, 15 (06) :3949-3963

[10] UAV-Assisted Heterogeneous Networks for Capacity Enhancement [J].

Sharma, Vishal ;

Bennis, Mehdi ;

Kumar, Rajesh .

IEEE COMMUNICATIONS LETTERS, 2016, 20 (06) :1207-1210

← 1 2 →