CSI MIMO SR Sum-Rate Maximization and Robust Beamforming Method for MIMO Two-Way Relay Networks with Reciprocal and Imperfect CSI

摘要

An SR maximization and robust beamforming method for a MIMO bidirectional relay network using mutually incomplete CSI is provided. The beamforming method according to an embodiment of the present invention calculates the SR, maximizes the SR using incomplete CSI, and performs beamforming according to the maximization condition. This makes robust relay beamforming for MIMO TWRN possible.