Patent ID: 8301153

Claim:
A method of allocating a resource for a hierarchical cellular system, the method comprising: recognizing a usage rate of a macrocell dedicated resource that a macrocell uses and a usage rate of a shared resource that the macrocell and a small cell use; controlling the macrocell dedicated resource and the shared resource based on the usage rate of the macrocell dedicated resource and the usage rate of the shared resource; allocating the controlled macrocell dedicated resource and the controlled shared resource to the macrocell and the small cell; and reporting, by the macrocell, a usage plan of the shared resource to the small cell before the macrocell uses the shared resources; wherein the controlling of the macrocell dedicated resource and the shared resource comprises decreasing an amount of the shared resource when the macrocell dedicated resource increases, and increasing an amount of the shared resource when the macrocell dedicated resource decreases.