| 摘要 |
PURPOSE: A method for removing an interference signal in a CDMA(Code Division Multiple Access) system using an antenna array is provided to remove the interference signal using an algorithm in which small computational complexity is requested. CONSTITUTION: If a receiving signal vector is composed, a directional vector of an original signal is estated using a power method from the receiving signal vector of an antenna array(S20). The directional vector of the original signal is removed from the receiving signal vector of the antenna array for preventing that the original signal is removed by an interference signal removing algorithm(S21). A weight vector of the antenna array is calculated using the interference signal removing algorithm for satisfying a minimum mean square value of a cost function(S22). A gain and a phase to be multiplied with each component of the receiving signal vector of the antenna array are calculated and the calculated weight vector is multiplied with each component of the receiving signal vector for estimating an interference signal(S23). |
