Patent ID: 7907554

Claim:
A method for transmitting a data frame and a control frame transmitted from a mobile station to a base station via uplink, the method comprising: transmitting the data frame to the base station at one transmission opportunity, wherein the data frame comprises a header portion and a data portion, and wherein the header portion comprises: a first field to indicate to the base station whether or not the data frame has a time resource request while data in the data portion is transmitted simultaneously, the first field having either a first logic value or a second logic value, the first field having the first logic value when the data frame has the time resource request, and a second field to contain an amount of time resource required when the first field has the first logic value; and receiving a plurality of data frames transmitted from the base station; and transmitting the control frame to the base station, wherein the control frame has an acknowledgement field indicating a reception status of the received plurality of data frames transmitted from the base station, wherein the control frame is transmitted separately from the data frame to the base station.