RADIO BASE STATION, AND RADIO COMMUNICATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a radio base station capable of making the interference reduce, among cells in a distributed antenna system. SOLUTION: The radio base station is provided which is equipped with a plurality of distributed antennas distributed and arranged in own cell; a channel information acquiring section in own cell which acquires channel information between the plurality of distributed antennas and an antenna of a radio terminal located in own cell; a channel information acquiring section in an adjacent cell which acquires channel information between the plurality of distributed antennas and an antenna of a radio terminal located in an adjacent cell adjacent to own cell; and a transmission beam forming section which performs beam forming to a transmission signal to be transmitted by using the plurality of distributed antennas so that the interference among own cell and the adjacent cell is suppressed, based on the channel information acquired by the channel information acquiring section in own cell and the channel information acquiring part in the adjacent cell. COPYRIGHT: (C)2011,JPO&INPIT