The embodiment of the invention relates to the technical field of wireless communication, and particularly relates to a method and a device for reporting power headroom, used to solve the problems of existing technology in PH information only for the uplink subframe report, when a plurality of cells and the activation of the terminal aggregation configuration with different TDD? UL/DL configuration under the condition of the existing PHR mechanism for the problem of scheduling. The embodiment of the invention includes a method for reporting power headroom cases in PH need to report information, determine each configuration and the activated cell current PH information, wherein the area including the current moment of the downlink sub frame area; report determined PH information. Because the power margin is on time, the configuration of the current downlink subframe is adopted, and the active cell obtains the PH information of the cell by the virtual transmission format, and the PH information is helpful for the subsequent scheduling of the base station.
【技术实现步骤摘要】
【技术保护点】
１．一种功率余量上报的方法，其特征在于，该方法包括：在需要上报功率余量ＰＨ信息时，确定每个配置且激活的小区当前时刻的ＰＨ信息，其中所述小区包括当前时刻是下行子帧的小区；上报确定的ＰＨ信息。
【技术特征摘要】
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