Patent ID: 9559828
Date: 2017-01-31
CPC Classifications: H04B,H04L

Claim:
1. A method of operating a user equipment device in a cellular network, the method comprising: receiving a first reference symbol at the user equipment (UE) from a first base station (eNB); processing by the UE the first reference symbol with one or more of a plurality of precoding matrices to form a plurality of channel quality indices (CQI), wherein the plurality of CQI is representative of all precoding matrices assigned to the UE, and wherein the entire plurality of CQI and respective precoding matrix indicators are provided as feedback; and providing feedback from the UE to the eNB comprising one or more feedback CQI selected from the plurality of CQI and one or more precoding matrix indicators (PMI) identifying the one or more precoding matrices used to form each of the one or more feedback CQIs, wherein at least two PMI are included in the feedback, wherein each combination of precoding matrices comprise of at least a first precoding matrix recommended for the UE, and a second precoding matrix recommended for a hypothetical UE to be co-scheduled with the UE.