Abstract
We explore robust designs to jointly minimize the total uplink and downlink transmit power and maximize the total harvested energy in a full duplex system with imperfect channel state information. We first formulate an optimization, where multiuser interference (MUI) is suppressed. We then propose an optimization, where the MUI is rather exploited, both as useful energy and information power, for guaranteeing quality of service and energy harvesting constraints. To tackle the non-convexity of the formulations, we employ convex relaxations. Simulation results show the effectiveness of interference exploitation compared with interference suppression in terms of both power consumption and energy transfer.
Original language | English |
---|---|
Pages (from-to) | 1866-1869 |
Number of pages | 4 |
Journal | IEEE Communications Letters |
Volume | 22 |
Issue number | 9 |
Early online date | 19 Jun 2018 |
DOIs | |
Publication status | Published - 1 Sep 2018 |
Keywords
- Full duplex (FD)
- interference exploitation
- multi-objective optimization
- robust design
ASJC Scopus subject areas
- Modelling and Simulation
- Computer Science Applications
- Electrical and Electronic Engineering