SYSTEM AND METHOD FOR CANCELLING INTEFERENCE SIGNAL OF DOWNLINK IN OVERLAY CELL

摘要

PURPOSE: A system for cancelling an interference signal of a downlink in an overlay cell environment and is provided to remove an interference signal between transmission signals using a zero forcing method. CONSTITUTION: A first and a second terminals exist in an overlay cell of a first and a second base stations. A downlink signal receiving unit(131) receives a first and a second signals which are transmitted to the first and the second terminals from the first and the second base stations. A power limit signal generating unit(132) generates a first power limit signal and a second power limit signal. A power limit signal transmitting unit(133) respectively transmits the first power limit signal and the second power limit signal to the first and the second base stations.