Patent ID: 8711716

Claim:
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); 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 of the plurality of CQI is formed using a different combination of two or more of the plurality of precoding matrices; and wherein the feedback comprises two or more PMI identifying the combination of precoding matrices used to form each of the one or more feedback CQI.