Journals
Publish with us
Publishing partnerships
About us
Blog
Wireless Communications and Mobile Computing
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Wireless Communications and Mobile Computing
/
2021
/
Article
/
Fig 5
/
Research Article
Joint Position and Time Allocation Optimization of UAV-Aided Wireless Powered Relay Communication Systems
Figure 5
The four cases for function
and
.
The red (
)
represents the optimal point of problem
P4
.
(a)
(b)
(c)
(d)