Patent ID: 8532083

Claim:
A method for transmitting dynamic transmit time interval (TTI) information by a transmitting side in a radio access system, the method comprising: transmitting a super frame header (SFH), including the TTI information and subframe configuration information, to a receiving side, wherein the TTI information comprises indicator values indicating a number of at least one subframe configured in one TTI and the number of the at least one subframe configured in the one TTI is one, two, three, or four, and wherein the subframe configuration information comprises information regarding a number of subframes included in a super frame and a ratio of a number of downlink subframes to a number of uplink subframes; and transmitting a sub-map (A-MAP) including scheduling information for a corresponding TTI to the receiving side, wherein the sub-map (A-MAP) includes one of the indicator values, and wherein the sub-map (A-MAP) is located at a beginning subframe only within the corresponding TTI when a number of subframes configured in the corresponding TTI is two, three, or four.