Frequency spectrum management apparatus and method, frequency spectrum coordination apparatus and method, and electronic device

A spectrum management device comprising processing circuitry, the processing circuitry configured to:

• determine, in response to a spectrum resource request from each of a plurality of secondary systems, available spectrum information of each of the plurality of secondary systems;
• receive spectrum management information from each of the plurality of secondary systems, the spectrum management information including ID information of a spectrum coordination device related to each of the one or more secondary systems;
• determine, for each of the plurality of secondary systems, whether each is a managed secondary system managed by a first spectrum coordination device or is an unmanaged secondary system not managed by the first spectrum coordination device based on the received spectrum management information from each of the plurality of secondary systems;
• determine, based on system information of the managed secondary system, interference from a secondary system, which on the managed secondary system exceeds a predetermined threshold, among the unmanaged secondary systems as an interfering secondary system;
• acquire system information of the interfering secondary system;
• and
• transmit the system information of the interfering secondary system to the first spectrum coordination device to enable the spectrum coordination device to coordinate spectrum use of the managed secondary system based on the available spectrum information and the system information of the interfering secondary system.