Abstract
In this paper, we propose a novel successive sub-array activation (SSAA) diversity scheme for a massive multiple-input multiple-output (MIMO) system in combination with non-orthogonal multiple access (NOMA). A single-cell multi-cluster downlink scenario is considered, where the base station (BS) sends redundant symbols through multiple transmit sub-arrays to multi-antenna receivers. An in-depth analytical analysis is carried out, in which an exact closed-form expression for the outage probability is derived. Also, a high signal-to-noise ratio (SNR) outage approximation is obtained and the system diversity order is determined. Our results show that the proposed scheme outperforms conventional full array massive MIMO setups.
| Original language | English |
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| Title of host publication | 2020 IEEE International Conference on Communications, ICC 2020 - Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781728150895 |
| DOIs | |
| State | Published - Jun 2020 |
| Externally published | Yes |
Publication series
| Name | IEEE International Conference on Communications |
|---|---|
| Volume | 2020-June |
| ISSN (Print) | 1550-3607 |
Bibliographical note
Publisher Copyright:© 2020 IEEE.
Keywords
- Non-orthogonal multiple access (NOMA)
- massive MIMO
- successive sub-array activation
ASJC Scopus subject areas
- Computer Networks and Communications
- Electrical and Electronic Engineering