Patent ID: 8767632

Claim:
A method comprising: receiving in a uplink subframe an acknowledgment/non-acknowledgment (ACK/NACK) response corresponding to at least one of the plurality of downlink subframes wherein the response corresponds to bundled ACK/NACK for at least two of the plurality of downlink subframes wherein the bundled ACK/NACK response in one uplink subframe further comprises: receiving dynamic and semi-persistent downlink scheduling assignments within a window of subframes, and transmitting ACK/NACK on the physical uplink control channel (PUCCH) based on dynamic downlink scheduling assignments; and assigning an uplink ACK/NACK PUCCH index using one of a lowest control channel element index from the last received dynamic downlink scheduling assignment and a lowest control channel element index from the last received dynamic downlink scheduling assignment and the subframe number of the last received dynamic downlink scheduling assignment.