| 摘要 |
Embodiments of the present invention provide a power adjustment method and device, a center node controller, and an access network node. The method comprises: a network side node receiving signaling sent by a neighbor access network node; when the network side node finds a second UE using the same frequency band as that of a first UE from a neighbor region of a region where the first UE is located and no idle frequency band exists in a cell where the second UE is located, the network side node determining a power adjustment parameter according to a minimum speed acceptable to the second UE and adjusting, according to the determined power adjustment parameter, a priority of the first UE, and a pre-obtained priority of the second UE, downlink transmitting power of the cell where the second UE is located for the second UE. In the present invention, transmitting power of an interference source is adjusted according to a power adjustment parameter and a priority of a UE, and a power adjustment value is given quantitatively, thereby avoiding blindly adjusting the transmitting power of the interference source, increasing the accuracy of the ICIC operation, improving the spectral efficiency of an edge user, and enhancing the system performance.
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