Reproduction on 6920005-Sparse beamforming and user-centric clustering for downlink cloud radio access network
Dai B, Yu W. Sparse beamforming and user-centric clustering for downlink cloud radio access network[J]. IEEE Access, 2014, 2: 1326-1339. https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=6920005
Will be updated soon!