FEEDBACK SCHEDULING TO REDUCE FEEDBACK RATES IN MIMO SYSTEMS

摘要

In the closed loop wireless communication system 200, the reception apparatus are unnecessary precoding information to a plurality of receivers in order to control the feedback does not fed back to the transmitting apparatus 302 (304.1 to 304.3) codebook for a feedback from each Scheduling based on feedback (201.1) control mechanism is provided. Feedback is established by each of the receiver and distribute the schedules (310) for controlling the time of feeding back the precoding information (201.1), or the feedback of the feedback threshold based on a metric that must be met before being allowed (704, 706) can be established and controlled by the distribution.