Jiawei Yu Min Dong 0001 Distributed Low-Complexity Multi-Cell Coordinated Multicast Beamforming with Large-Scale Antennas. 1-5 2018 SPAWC https://doi.org/10.1109/SPAWC.2018.8446030 conf/spawc/2018 db/conf/spawc/spawc2018.html#YuD18