Enbin Song, Qingjiang Shi, Maziar Sanjabi, Ruoyu Sun, Zhi-Quan Luo. Robust SINR-Constrained MISO Downlink Beamforming: When is Semidefinite Programming Relaxation Tight?. EURASIP J. Wireless Comm. and Networking, 2012:243, 2012. [doi]
Abstract is missing.