| 摘要 |
A common feedback framework for coordinated multi-point (CoMP) operations of various coordinated multi-point schemes (such as joint transmission (JT), dynamic point selection (DPS) or coordinated scheduling / beamforming (CS/CB)), comprising generation of channel state information (CSI) feedback for coordinated multi-point operations, said generating comprising jointly encoding rank indicator information as a per-point feedback component with respect to a single transmission point and at least one of inter-point feedback components with respect to multiple transmission points into a joint channel state information feedback component, and signalling of the generated channel state information feedback from a coordinated multi-point user entity to a coordinated multi-point controller entity; and control of coordinated multi-point operations on the basis of the received channel state information feedback at the coordinated multi-point controller entity.
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