We propose a robust beamforming design for non-orthogonal multiple access-based
multiple-input single-output downlink systems. In particular, the robust power minimization …

This paper addresses the joint robust power control and beamforming design of a linear
multiuser multiple-input multiple-output (MIMO) antenna system in the downlink where users …

In this letter, we investigate the beamforming optimization problem in a non-orthogonal
multiple access (NOMA) based multibeam satellite system. The design key is to minimize the …

Nonorthogonal multiple access (NOMA) is a promising technology in future mobile
communication systems. In this paper, considering that the base station knows imperfect …

In this paper, we develop various beamforming techniques for downlink transmission for
multiple-input single-output nonorthogonal multiple access (NOMA) systems. First, a …

A probabilistically robust transmit beamforming problem is referred, when the wireless
downlink (DL) communication is supported by a robust non-orthogonal transmission (NOT) …

In downlink beamforming in a multiple-input multiple-output (MIMO) wireless communication
system, we design beamformers that minimize the power subject to guaranteeing given …

In this paper, we study the design of the transmitter in the downlink of a multiuser and
multiantenna wireless communications system, considering the realistic scenario where only …

In this letter, we investigate robust beamforming design problem in downlink multiple-input-
multiple-output non-orthogonal multiple access networks considering worst-case channel …

We study the problem of multiuser downlink beamforming under the assumption that only an
erroneous channel state information (CSI) is available at the transmitter. The optimization …