Kwangjae Lee Wan Choi 0001 Cell-Free Massive MIMO With Rician K-Adaptive Feedback. 276-281 2022 PIMRC https://doi.org/10.1109/PIMRC54779.2022.9977928 conf/pimrc/2022 db/conf/pimrc/pimrc2022.html#LeeC22