  In this paper, we consider a full duplex wireless powered communication
network where multiple users with radio frequency energy harvesting capability
communicate to an energy broadcasting hybrid access point. We investigate the
minimum length scheduling and sum throughput maximization problems considering
on-off transmission scheme in which users either transmit at a constant power
or remain silent. For minimum length scheduling problem, we propose a
polynomial-time optimal scheduling algorithm. For sum throughput maximization,
we first derive the characteristics of an optimal schedule and then to avoid
intractable complexity, we propose a polynomial-time heuristic algorithm which
is illustrated to perform nearly optimal through numerical analysis.
