METHOD AND DEVICE FOR EFFECTIVE CHECK OF VALIDITY OF PRELIMINARY CODING INFORMATION FOR MIMO COMMUNICATION

摘要

1. A method for signaling control information in an operation mode with multiple inputs and multiple outputs (MIMO) in a wireless transmit / receive unit (WTRU), the method comprising:! receiving a PMI indicator confirmation message (PMI), which is configured to carry two types of validation messages using a single bit. ! 2. The method of claim 1, wherein the received PMI confirmation message is part of the control information message, and the control information message further includes channel information, PMI, and a rank indicator (RI). ! 3. The method of claim 1, wherein the PMI confirmation message is further configured to include precoding vectors. ! 4. The method according to claim 1, in which one validation message from two validation messages shows that the precoding vectors currently used in the advanced NodeB (eNodeB) are the same as the precoding vectors previously exchanged between WTRU and eNodeB. ! 5. The method according to claim 1, in which one validation message from two validation messages shows that the precoding vectors currently used in the enhanced NodeB (eNodeB) are not the same as the precoding vectors exchanged previously between WTRU and eNodeB. ! 6. The method of claim 4, wherein the PMI confirmation message is further configured to show the type of precoding vectors currently used in the eNodeB. ! 7. Wireless unit