Patent ID: 9060309
Filing Date: 2015-06-16
Classification: H04W

Abstract:
1. A method for allocating radio resources for base stations belonging to a plurality of groups by a management entity in a wireless communication system, the method comprising: receiving, by the management entity, a first message requesting an increase in resource allocation from at least one base station belonging to a first group of a first cluster; receiving, by the management entity, a first indicator indicating that there is an extra resource from at least one base station belonging to a second group of the first cluster; receiving, by the management entity, a second message requesting an increase in resource allocation from at least one base station belonging to a second group of a second cluster; receiving, by the management entity, a second indicator indicating that there is an extra resource from at least one base station belonging to a first group of the second cluster; and changing, by the management entity, resource division ratios between the first groups and the second groups in the first cluster and the second cluster, respectively, wherein the resource division ratios between the first group and the second group are changed on the basis of required resource information included in the first message and required resource information included in the second message, and wherein the resource division ratios between the first group and the second group are further changed in consideration of extra resource information included in the first and second indicators indicating the presence of an extra resource.