METHOD AND SYSTEM FOR NEIGHBORING CELL INTERFERENCE DETECTION

摘要

The present invention discloses a method and system for neighboring cell interference detection. The method is applied to a reception end of an Orthogonal Frequency Division Multiplexing (OFDM) or Orthogonal Frequency Division Multiple Access (OFDMA) system. When performing interference and noise detection for a beared data flow within an interference suppression area, the method includes: for each data sub-carrier corresponding to the data flow, after calculating and obtaining the interference and noise covariance matrix of the data sub-carrier location, performing numerical analysis for the interference and noise covariance matrix of the data sub-carrier location, and obtaining an interference and noise power ratio, wherein the interference suppression area is a time-frequency two-dimension resource block in the reception data bearing area. According to the method and system, the size of the interference component can be detected without using a silent frame and a specialized interference measurement signal. Therefore the calculation complexity and operation labor are lower.