Cell-free 1 Cell-free massive MIMO Cells 1 Central Processing Unit 1 Channel estimation 1 Computational complexity 1 Cytology 1 Dynamic TDD 1 Finite difference method 1 Greedy algorithms 1 Hardware 1 Interference 1 Iterative methods 1 MIMO systems 1 Massive MIMO 1 Modular optimizations 1 Pilot contaminations 1 Program processors 1 Resource management 1 Scheduling 1 Sub-modular optimization 1 Time division multiplexing 1 dynamic TDD 1 pilot contamination 1 sub-modular optimization 1