Patent ID: 8068457

Claim:
A method for communication, the method comprising: establishing a mapping scheme between a plurality of control channel element sets and a plurality of acknowledgement channel resource sets, each of the control channel element sets comprising at least one control channel element, each of the acknowledgement channel resource sets comprising at least one acknowledgement channel resource, and at least one of a control channel element set comprising a plurality of control channel elements and an acknowledgment channel resource set comprising a plurality of acknowledgement channel resources; in accordance with a scheduling grant transmitted using a control channel element set selected from the plurality of control channel element sets, receiving a data packet from a second node at a first node; and transmitting, via the first node, an acknowledgement channel message by using at least one acknowledgement channel resource selected from the acknowledgement channel resource set that corresponds to the control channel element set used for transmitting the scheduling grant in accordance with the mapping scheme, with the acknowledgement channel message being one of a positive acknowledgement message and a negative acknowledgement message.