APPARATUS AND METHOD FOR CANCELING INTER CELL INTERFERENCE IN A MULTI CELL SYSTEM SHARING INFORMATION AMONG BASE STATION THROUGH A BACKHAUL

摘要

A method to remove interference among cells in a multi cell system which shares information among base stations through a back haul and includes a plurality of base stations provided by the present invention, comprises process of: receiving SA (scale and angle) symbol information for a reception signal of another base station from a back haul; and removing interference among cells by using the received SA symbol information in a reception signal of current base station. The SA symbol information includes a hard decision symbol value for a signal received by another base station, and a {size, phase} value for changing a size and a phase of the hard decision symbol.