Importance

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Abstract

Provided are a wireless data communication apparatus and a method using a multicarrier, and a transmission frame format therefore, wherein through the wireless data communication method, a plurality of stations can transmit and receive burst data to and from a net access group switching center wirelessly using a multicarrier. The method includes: (a) allocating a sub-carrier channel set to one of the plurality of stations that requests allocation of the sub-carrier channel set consisting of sub-carriers of a first predetermined number out of a plurality of sub-carriers at a predetermined point of time; (b) activating the sub-carrier channel set allocated to the station which desires to transmit the data; and (c) checking the activation of the sub-carrier channel set, detecting a station that requests the allocation of resources based on the checked results, and allocating resources of a second predetermined number to the detected station.

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First Claim