A system level evaluation of vertical sectorization for active antenna system. - Fangchao Zhang; Shaohui Sun; Qiubin Gao; Runhua Chen; Hui Li; Rakesh Tamrakar; Wenhong Chen (ICCC Workshops, 2015)

A Hybrid Channel State Information Feedback Mechanism for Massive MIMO System. - Qiubin Gao; Fangchao Zhang; Runhua Chen; Wenhong Chen; Hui Li; Rakesh Tamrakar; Shaohui Sun (VTC Spring, 2016)

Enhanced CSI Acquisition for FDD Multi-User Massive MIMO Systems. - Fangchao Zhang; Shaohui Sun; Qiubin Gao; Wanwei Tang (IEEE Access, 2018)