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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% [2, 46]
EE 70% 30% 85% [78, 103]
Hardware efficiency 30% 50% 70% [48, 112]
Channel hardening 85% 30% 50% [62, 103]
Uniform coverage 30% 50% 70% [103]
Macro-diversity 30% 50% 70% [103, 113]
Number of antennas 85% 70% 85% [103, 114]
Favorable propagation 85% 30% 50% [103, 115]
SE 70% 50% 85% [116, 117]