Interference coordination method and base station

Abstract

The embodiment of the invention provides an interference coordination method and a base station. The method comprises the following steps of: determining an invasion cell base station and the interference level of the invasion cell base station, and receiving power coordination information sent by the invasion cell base station, wherein the power coordination information is used for indicating the power adjustment allowance of the invasion cell base station on a particular channel resource or indicating the minimum transmission power of the invasion cell base station on the particular channel resource; according to the interference level and power coordination information of the invasion cell base station, determining a base station required to be subjected to interference coordination in the invasion cell base station; and sending a power adjustment request to the base station required to be subjected to interference coordination, so that the base station required to be subjected to interference coordination adjusts the transmission power on the particular channel resource. According to the embodiment of the invention, the interference on invaded cell base stations on particular channel resources is reduced, and the invasion cell base station still can carry out service transmission by using the particular channel resources, thereby improving the system capacity.

Description

technical field [0001] Embodiments of the present invention relate to the field of wireless communication, and more specifically, relate to an interference coordination method and a base station. Background technique [0002] The wireless communication system can provide wireless services such as voice and data. A common wireless communication system is a multiple access wireless system, in which the base station transmits data and / or control information to user equipment UE (User Equipment) on the downlink, and receives data from the user equipment on the uplink and / or control information. Similarly, the user equipment transmits data and / or control information for the base station on the uplink, and receives data and / or control information transmitted by the base station on the downlink. The LTE (Long term evolution; long-term evolution) and / or LTE-A (LTE-Advanced; long-term evolution-advanced) wireless communication system will be described below as an example. [0003]...

AI Technical Summary

Problems solved by technology

[0006] If the base station of the offending cell and the base station of the violated cell do not coordinate the transmission power on the ABS subframe, when the base station of the offending cell sets the transmission power on the ABS subframe very low, there may be almost no UE that can make the offending cell The base station schedules service transmission on the ABS subframe, thus reducing the available transmission resources

On the other hand, if the base station of the infringing cell schedules the ABS subframes for its own UEs to increase the transmission resources, but the transmission power setting on the ABS subframes may not be appropriate, it will still cause the UE of the base station of the infringed cell cause strong interference

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