Table 2 Comparison among cellular mMIMO, network MIMO, and CF-mMIMO (metric weighting in percentage)
From: Application of cell-free massive MIMO in 5G and beyond 5G wireless networks: a survey
Configuration | Cellular | Network | Cell-free | Ref. |
|---|---|---|---|---|
Interference management | 30% | 50% | 70% | |
EE | 70% | 30% | 85% | |
Hardware efficiency | 30% | 50% | 70% | |
Channel hardening | 85% | 30% | 50% | |
Uniform coverage | 30% | 50% | 70% | [103] |
Macro-diversity | 30% | 50% | 70% | |
Number of antennas | 85% | 70% | 85% | |
Favorable propagation | 85% | 30% | 50% | |
SE | 70% | 50% | 85% |