Spectrum management device and method, wireless network management device and method, and medium
The present invention relates to a spectrum management device and method, a wireless network management device and method, and a medium. According to one embodiment, an electronic device for spectrum management comprises a processing circuit. The processing circuit is configured to perform control in order to send spectrum supply and demand information to one or more first spectrum management nodes and/or receive the spectrum supply and demand information from the one or more first spectrum management nodes. The spectrum supply and demand information is associated with spectrum supply and demand of the electronic device and/or of a wireless network management node managed by the first spectrum management node.
1. An electronic device for spectrum management, comprising:
a transceiver;
a memory; and
processing circuitry configured to:
perform control to operate as a first spectrum management node that performs distributed spectrum management with a second spectrum management node,
wherein the distributed spectrum management comprises:
exchanging initial spectrum supply-and-demand information with the second spectrum management node,
wherein the initial spectrum supply-and-demand information is related to a spectrum supply-and-demand of at least one first wireless network management node managed by the first spectrum management node and at least one second wireless network managed by the second spectrum management node,
wherein the initial spectrum supply-and-demand information is stored in the memory in a form of blockchain,
wherein, in the exchanging of the initial spectrum supply-and-demand information, the electronic device is configured to take specific actions as follows:
upon determining a case where a plurality pieces of new spectrum allocation information are received within a specific period of time, the processing circuitry is configured to select one of the plurality pieces of new spectrum allocation information having an earliest publication time therefrom to perform at least one of the spectrum assignments based on the selected one of the plurality pieces of new spectrum allocation information received within the specific period of time,
upon determining a case where a plurality pieces of new spectrum allocation information having a same block serial number are received, the processing circuitry is configured to select one of the plurality pieces of new spectrum allocation information having an earliest publication time therefrom to perform at least one of the spectrum assignments based on the selected one of the plurality pieces of new spectrum allocation information having the same block serial number,
upon determining a case where a time window identifier of received new spectrum allocation information is not continuous with a time window identifier of currently stored spectrum allocation information, the processing circuitry is configured to send a request for performing information synchronization to the second spectrum management node,
upon determining a case where a block serial number of received new spectrum allocation information is not continuous with a serial number of a currently stored blockchain, the processing circuitry is configured to send a request for performing information synchronization to the first spectrum management node,
upon determining a case where a predetermined number of pieces of spectrum allocation information are stored, the processing circuitry is configured to notify a spectrum allocation indicated by spectrum allocation information preceding the predetermined number of pieces of spectrum allocation information to each of the first wireless network management node and the second wireless network management node, or
upon determining a case where a predetermined number of blocks are stored, the processing circuitry is configured to notify a spectrum allocation indicated by a block preceding the predetermined number of blocks to each of the first wireless network management node and the second wireless network management node.
2. The electronic device according to claim 1 , wherein the spectrum supply-and-demand of the at least one first wireless network management node comprises at least one of first spectrum remising information or first spectrum demand information.
3. The electronic device according to claim 1 , wherein the spectrum supply-and-demand information of the second wireless network management node comprises at least one of second spectrum remising information or second spectrum demand information.
4. The electronic device according to claim 1 , wherein the distributed spectrum management further comprises:
based on the exchanged initial spectrum supply-and-demand information, exchanging final spectrum supply-and-demand information with the second spectrum management node, the final spectrum supply-and-demand information including a spectrum assignment of the at least one first wireless network management node and a spectrum assignment of the at least one second wireless network management node.
5. The electronic device according to claim 4 , wherein the spectrum assignments of the at least one first wireless network management node and the at least one second wireless network management node are set to ensure that:
the spectrum assignments of the at least one first wireless network management node and the at least one second wireless network management node are both within a predetermined spectrum usage range;
mutual interference between the spectrum assignments of the at least one first wireless network management node and the at least one second wireless network management node are within a first predetermined interference range and a second predetermined interference range, respectively; and
the spectrum assignments of the at least one first wireless network management node and the at least one second wireless network management node satisfy a total spectrum supply-and-demand of the first wireless network management node and a total spectrum supply-and-demand of the second wireless network management node.
6. The electronic device according to claim 4 , wherein the final spectrum supply-and-demand information is stored in the memory in a form of blockchain.
7. The electronic device according to claim 1 , wherein the electronic device is configured at a Spectrum Access System (SAS) side or a Co-existence Manager (CxM) side, and the second wireless network management node comprises a Citizens Broadband Radio Service Device (CBSD).
8. The electronic device according to claim 1 , wherein the electronic device is configured at a C3 instance side, and the second wireless network management node comprises a Wireless Access System (WAS) or a Radio Local Area Network (RLAN).
9. A method for performing distributed spectrum management by an electronic device comprising processing circuitry and a memory, the electronic device configured to operate as a first spectrum management node, the method comprising:
performing distributed spectrum management with a second spectrum management node, wherein the distributed spectrum management comprises:
exchanging initial spectrum supply-and-demand information with the second spectrum management node,
wherein the initial spectrum supply-and-demand information is related to a spectrum supply-and-demand of at least one first wireless network management node managed by the first spectrum management node and at least one second wireless network managed by the second spectrum management node,
wherein the method further comprises storing the initial spectrum supply-and demand information in the memory in a form of blockchain,
wherein the exchanging of the initial spectrum supply-and-demand information further comprises taking specific actions as follows:
upon determining a case where a plurality pieces of new spectrum allocation information are received within a specific period of time, selecting one of the plurality pieces of new spectrum allocation information having an earliest publication time therefrom to perform at least one of the spectrum assignments based on the selected one of the plurality pieces of new spectrum allocation information received within the specific period of time of the selected one of the plurality pieces of new spectrum allocation information having the same block serial number,
upon determining a case where a plurality pieces of new spectrum allocation information having a same block serial number are received, selecting one of the plurality pieces of new spectrum allocation information having an earliest publication time therefrom to perform at least one of the spectrum assignments based on the selected one of the plurality pieces of new spectrum allocation information having the same block serial number,
upon determining a case where a time window identifier of received new spectrum allocation information is not continuous with a time window identifier of currently stored spectrum allocation information, sending a request for performing information synchronization to the second spectrum management node,
upon determining a case where a block serial number of received new spectrum allocation information is not continuous with a serial number of a currently stored blockchain, sending a request for performing information synchronization to the first spectrum management node,
upon determining a case where a predetermined number of pieces of spectrum allocation information are stored, notifying a spectrum allocation indicated by spectrum allocation information preceding the predetermined number of pieces of spectrum allocation information to each of the first wireless network management node and the second wireless network management node, or
upon determining a case where a predetermined number of blocks are stored, notifying a spectrum allocation indicated by a block preceding the predetermined number of blocks to each of the first wireless network management node and the second wireless network management node.