| 摘要 |
In accordance with an example embodiment of the present invention, an apparatus comprises a processor and a memory including computer program code, wherein the memory and the computer program code, with the processor, are configured with the processor to cause the apparatus to receive a reference signal (302), estimate difference between actual Eigen directions and precoding matrix based on the received reference signal (304), generate a feedback based on the result of the estimation (306), and transmit the feedback (38), wherein the feedback indicates at least one of the result of the estimation, whether a multi-user communication mode is desired or whether the feedback should be combined with another indication in order to determine whether a multi-user communication mode is desired (306). Methods and computer readable media are also described. |
