Analysis of ergodic sum rate in RSMA with perfect and imperfect SIC: A multiple-antenna selection approach for optimizing UAV positioning. - Van Son Nguyen; Anh Le-Thi; Vu Duy Thuan; Chi-Bao Le; Tien Hoa Nguyen 001; Sang Quang Nguyen 001 (Phys. Commun., 2025)