CF-DMM is the next big thing in telecom, often doubling or tripling capacity in the next few years. We need a good non-technical introduction even if I have to write it myself.
The most comprehensive source is Foundations of User-Centric Cell-Free Massive MIMO by top researchers Özlem Tuğfe Demir, Emil Björnson, and Luca Sanguinetti. It’s a 316 page book you can download for free https://arxiv.org/pdf/2108.02541.pdf. The introduction does a good job explaining how mobile networks work today and how Cell-Free would change them.
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