Patent ID: 8644268

Claim:
A method for wireless communications, comprising: determining one or more groups of subframes, wherein each group comprises: one or more downlink subframes for downlink transmissions comprising at least a downlink grant, an uplink assignment, a downlink data transmission, and an acknowledgement of an uplink transmission; and one or more uplink subframes for an acknowledgement of a downlink transmission and an uplink data transmission; and scheduling transmissions using at least one of the groups of subframes, wherein a radio frame comprises a special subframe at subframes 1 and 6 , and wherein determining the one or more groups of subframes comprises determining, at least one of: two groups over the radio frame, wherein: a first group comprises subframes 9 , 0 , 1 , 3 , and 7 ; and a second group comprises subframes 4 , 5 , 6 , 8 , and 2 ; four groups over the radio frame, wherein: a first group comprises subframes 0 , 1 , and 7 ; a second group comprises subframes 5 , 6 , and 2 ; a third group comprises subframes 4 and 8 ; and a fourth group comprises subframes 9 and 3 ; and eight groups over two radio frames, wherein: a first group comprises subframes 0 , 1 , and 7 of a first radio frame; a second group comprises subframes 5 , 6 , and 2 of the first radio frame; a third group comprises subframes 4 and 8 of the first radio frame; a fourth group comprises subframes 9 and 3 of the first radio frame; a fifth group comprises subframes 0 , 1 , and 7 of a second radio frame; a sixth group comprises subframes 5 , 6 , and 2 of the second radio frame; a seventh group comprises subframes 4 and 8 of the second radio frame; and an eighth group comprises subframes 9 and 3 of the second radio frame.