Marcin Hoffmann Pawel Kryszkiewicz O-RAN for Energy-Efficient Serving Cluster Formulation in User-Centric Cell-Free MMIMO. 1-2 2024 INFOCOM (Workshops) https://doi.org/10.1109/INFOCOMWKSHPS61880.2024.10620770 conf/infocom/2024w db/conf/infocom/infocom2024w.html#HoffmannK24