Patent ID: 9037184
Filing Date: 2015-05-19
Classification: H04W

Abstract:
1. A wireless communication system comprising: a macrocell base station; a plurality of femtocell base stations which are configured to communicate with the macrocell base station; and a wireless terminal which is configured to wirelessly communicate with the macrocell base station and at least one of the plurality of femtocell base stations, wherein the wireless terminal transmits a result of measuring received power of a downlink wireless signal from a femtocell base station of the plurality of femtocell base stations located in a vicinity of the wireless terminal to the macrocell base station; wherein the macrocell base station transmits an interference control request including identification information of the wireless terminal to a group of the plurality of femtocell base stations of which the received power of the downlink wireless signal included in a measurement result transmitted from the wireless terminal is a predetermined value or more; and wherein the femtocell base station has an adjacent wireless terminal list in which identification information of a wireless terminal, which is configured to be connected to an adjacent femtocell base station adjacent to the femtocell base station but is not configured to be connected to the femtocell base station, is recorded, and reduces downlink transmission power when the identification information of the wireless terminal included in the interference control request is included in the adjacent wireless terminal list.