… SYSTEM MODEL AND PROBLEM FORMULATION This section presents a system model
for signal superposition in MIMO-NOMA multi-cell systems and formulates an optimization …

… In this paper, we consider a dense multi-cell network that supports cluster-based multi-antenna
NOMA on downlink. The locations of BSs are distributed according to a homogeneous …

… our scheme to the general multi-cell networks and massive MIMO systems. As shown in Fig.
… Besides, we can directly generalize the proposed scheme to the massive MIMO networks, …

… -output (MIMO) systems can enhance spectral efficiency. In this paper, we propose an
angle-domain NOMA scheme over the multi-cell mmWave massive MIMO networks. This scheme …

… -cell massive MIMO NOMA, while [19] extends the sum rate analysis to deal with multi-cell …
for massive MIMO NOMA, and the operating regions, where NOMA outperforms OMA, have …

… a generalized multi-cell MIMONOMA network. … multi-cell network in this paper, which is
different from the single-cell system considered in our previous study [1]. In this multi-cell network, …

… PAPER ORGANIZATION The rest of the paper is organized as follows: In Section II, we
present the system model for the multi-cell downlink MIMO-NOMA network. In Section III, we …

… clustering problems [15]–[17], which decomposed MIMO-NOMA … MIMO-NOMA resource
allocation problem in a multi-cell MIMO-NOMA system, in which BS selection, MIMO-NOMA …

… scheme, we establish the maximum number of users served in multi-cell MIMO networks.
The general results will be introduced in Section IV. In the remainder of this section, we provide …

… We study the downlink transmission of a multicell MIMO-NOMA system where in each cell,
BS p equipped with n B , p antennas serves M clusters as exemplified in Fig. 1. Each cluster m …