Towards Optimal Power Splitting in Simultaneous Power and Information Transmission

This is the author accepted manuscript. the final version is available from IEEE via the DOI in this recordData availability: All code is available under requestSimultaneous wireless information and power transfer (SWIPT) offers novel designs that could enhance the sustainability and resilience of communication systems. Due to the very limited receiving power from radio frequency (RF) signals, optimal splitting strategies play an essential role for many SWIPT systems. This paper investigates optimal power splitting from the outage perspective by formulating the power, information and joint outage performance using a Markov chain, and studying the boundary conditions for achieving an energy-neutral state. Our results show the intrinsic trade-off between power and information outage and propose a novel polynomial method to obtain optimal power splitting. A number of experiments confirm the performance of this method.Royal SocietyRoyal Society of Edinburgh-NSFCHuawei ProjectEuropean Union FP