Patent ID: 8190164

Claim:
A Base Station (BS) in a wireless communication system, comprising: a resource allocator for allocating periodic uplink (UL) resources to a terminal; and a control information generator for generating a resource allocation message for the terminal using resource allocation information from the resource allocator, and for generating control information including the generated resource allocation message, the resource allocation message including additional information according to an allocation type specifying a resource allocation scheme, the resource allocation type indicating whether UL resources are allocated periodically or non-periodically, wherein, when the UL resources are allocated to the terminal non-periodically, the UL resources are allocated for the terminal in each frame, and the BS transmits the resource allocation message to the terminal in each frame, wherein, when the UL resources are allocated to the terminal periodically, the UL resources are allocated to the terminal for a plurality of frames, and the BS does not transmit the resource allocation message to the terminal during each frame, and wherein, when the resource allocation type is periodic allocation, the additional information of the resource allocation message comprises at least one of an amount of resources, a resource start point, an allocation duration, and a transmission period.