TY - JOUR
T1 - Completion Time Minimization in Wireless-Powered UAV-Assisted Data Collection System
AU - Wang, Zhen
AU - Zhang, Guopeng
AU - Wang, Qiu
AU - Wang, Kezhi
AU - Yang, Kun
N1 - Funding Information: This work was supported by the National Natural Science Foundation of China (Grant nos. 61971421, 61620106011, 61871076, 62071470, and U1705263), China Postdoctoral Science Foundation (Grant nos. 2020M681765), and Jiangsu Province Postdoctoral Research Foundation of China (Grant nos. 2020Z178).
PY - 2021/6
Y1 - 2021/6
N2 - In unmanned aerial vehicle (UAV)-assisted data collection system, UAVs can be deployed to charge ground terminals (GTs) via wireless power transfer (WPT) and collect data from them via wireless information transmission (WIT). In this letter, we aim to minimize the time required by a UAV via jointly optimizing the trajectory of the UAV and the transmission scheduling for all the GTs. This problem is formulated as a mixed integer nonlinear programming (MINLP) which are difficult to address in general. To this end, we develop an iterative algorithm based on binary search and successive convex optimization (SCO) to solve it. The simulation shows that our proposed solution outperforms the benchmark algorithms.
AB - In unmanned aerial vehicle (UAV)-assisted data collection system, UAVs can be deployed to charge ground terminals (GTs) via wireless power transfer (WPT) and collect data from them via wireless information transmission (WIT). In this letter, we aim to minimize the time required by a UAV via jointly optimizing the trajectory of the UAV and the transmission scheduling for all the GTs. This problem is formulated as a mixed integer nonlinear programming (MINLP) which are difficult to address in general. To this end, we develop an iterative algorithm based on binary search and successive convex optimization (SCO) to solve it. The simulation shows that our proposed solution outperforms the benchmark algorithms.
KW - data collection system
KW - UAV
KW - wireless power transfer
UR - http://www.scopus.com/inward/record.url?scp=85100831285&partnerID=8YFLogxK
U2 - 10.1109/LCOMM.2021.3057069
DO - 10.1109/LCOMM.2021.3057069
M3 - Article
AN - SCOPUS:85100831285
SN - 1089-7798
VL - 25
SP - 1954
EP - 1958
JO - IEEE Communications Letters
JF - IEEE Communications Letters
IS - 6
M1 - 9347451
ER -