Method for dividing cell and allocating resource in a multi-carrier system

Resources for data transmission in the (will be referred to hereinafter "OFDMA communication system"): (Orthogonal Frequency Division Multiple Access, hereinafter, will be referred to as "OFDMA" OFDMA) communication system using a method of this invention is an orthogonal frequency division multiple access It relates to a data transmitting / receiving apparatus using the method and the allocated resources to assign. OFDMA, sub_carrier, UL, DL, resource assignment