Patent ID: 8548513

Claim:
A method for transmitting control information in a wireless communication system using two or more Component Carriers (CCs), the method comprising: generating identification information of 0 bit or m (m is an integer larger than 0) bits indicating a CC to which particular control information corresponds from among the CCs; adding the generated identification information to the particular control information; and transmitting the particular control information through a control channel, wherein generating of the identification information comprises: setting a bit number of the identification information to 0 bit to indicate that no identification information has been added to the particular control information or to m bits to indicate that the particular control information includes added identification information, wherein the identification information of 0 bit indicates that the particular control information is control information for a particular reference CC from among the CCs, and wherein the identification information of m bits indicates that the particular control information is control information for at least one CC other than a particular reference CC from among the CCs.