Energy-Efficient Optimization for Wireless Information and Power Transfer in Large-Scale MIMO Systems

Today i'm going to share with you a paper in which you may get information about :

Energy-Efficient Optimization for Wireless
Information and Power Transfer in Large-Scale
MIMO Systems Employing Energy Beamforming
          by
Xiaoming Chen, Xiumin Wang and Xianfu Chen

Lets see some abstract portion of this paper:

In this letter, we consider a large-scale multipleinput
multiple-output (MIMO) system where the receiver should
harvest energy from the transmitter by wireless power transfer
to support its wireless information transmission. The energy
beamforming in the large-scale MIMO system is utilized to
address the challenging problem of long-distance wireless power
transfer. Furthermore, considering the limitation of the power
in such a system, this letter focuses on the maximization of the
energy efficiency of information transmission (bit per Joule) while
satisfying the quality-of-service (QoS) requirement, i.e. delay
constraint, by jointly optimizing transfer duration and transmit
power. By solving the optimization problem, we derive an energyefficient
resource allocation scheme. Numerical results validate
the effectiveness of the proposed scheme.

This paper was actually taken from : IEEE WIRELESS COMMUNICATIONS LETTERS, VOL. XX, NO. Y, MONTH 2013

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Download Link: Energy-Efficient Optimization for Wireless Information and Power Transfer in Large-Scale MIMO Systems