Yang Zhao, Xiangyang Wang, Jingwen Yang, Bingqiang Zhao. Downlink Closed-Loop Training Sequence Design for Massive MIMO Systems with Uniform Planar Arrays. In IEEE 83rd Vehicular Technology Conference, VTC Spring 2016, Nanjing, China, May 15-18, 2016. pages 1-5, IEEE, 2016. [doi]
Abstract is missing.