id: 71024474 dt: a an: 71024474 au: Zhou, Baolong; Jiang, Ling-Ge; Zhang, Lei; He, Chen; Zhao, Shengjie; Jiang, Zhining; Zhao, Kun ti: An optimal scheme for TDD beamforming systems with imperfect channel state information so: VTC Spring, 1-5 (2011). py: 2011 pu: la: EN cc: ut: ci: li: doi:10.1109/VETECS.2011.5956123