Patent ID: 8204012

Claim:
A method for using frequency resources in a multi-cell communication system, the method comprising: using, by a base station corresponding to each cell included in the multi-cell communication system, frequency resources based on a preset segment sequence; dividing each of the available frequency bands into a series of partial bands based on a basic frequency reuse factor; setting a reference frequency loading factor by using a basic frequency reuse factor; defining a quasi-orthogonal fundamental band, which does not cause interference with adjacent cells at the reference frequency loading factor or less, from among the series of partial bands according to each cell; determining an allocation sequence so that the quasi-orthogonal fundamental band is first allocated according to each cell; and allocating the partial bands to each cell according to the allocation sequence upon a service request from a user, wherein available frequency bands of each cell are equal to each other, each of the available frequency bands is divided into “A” number of segments, each segment is divided into “B” number of partial bands, each partial band is divided into “C” number of channels, and the segment sequence represents an order in which the “A” number of segments are used.