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1. (WO2019045827) SPECTRUM SHARING WITH SWITCHING OF TIER LEVELS BETWEEN NETWORKS AND/OR DEVICES
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CLAIMS

1. A controller for controlling a first and a second network in a spectrum access system having a plurality of tier levels for spectrum access, the controller comprising: one or more processors; and,

memory in communication with the one or more processors, the memory comprising code that, when executed, causes the one or more processors to control the controller to:

assign one or more first channels to the first network based on the first network being assigned a first tier level of the plurality of tier levels;

determine that a tier switch is to take place between the first network and the second network, wherein the second network is assigned a second tier level of the plurality of tier levels;

initiate the tier switch between the first network and the second network; and,

assign, in response to the determination that the tier switch is to take place, one or more second channels to the second network based on the second network being assigned the first tier level.

2. The controller of claim 1, wherein the controller further assigns, in response to the determination that the tier switch is to take place, one or more third channels to the first network based on the first network being assigned the second tier level.

3. The controller of claim 1, wherein the code further causes the controller to: receive a tier switch request from the first network; and,

determine that the tier switch is to take place based on the tier switch request.

4. The controller of claim 1, wherein the code further causes the controller to: receive a tier switch request from the first network;

send a tier switch query to the second network based on the tier switch request; receive a response from the second network; and,

determine that the tier switch is to take place based on the response from the second network.

5. The controller of claim 1, wherein the controller determines that the tier switch is to take place between the first network and the second network for the duration of a time period, and assigns the one or more second channels to the second network for the time period.

6. The controller of claim 1, wherein the second tier level is a tier-1 level of a three tier spectrum access system.

7. The controller of claim 1, wherein the second tier level is a tier-2 level of a three tier spectrum access system.

8. The controller of claim 1, wherein the memory further comprises a database, and wherein the controller determines that the tier switch is to take place based on information in the database that is associated with the second network.

9. The controller of claim 1 , wherein the code further causes the controller to: receive a tier switch request from the first network, the tier switch request including an indication of tier switch time period; and,

determine that the tier switch is to take place based on at least on the tier switch time period.

10. The controller of claim 1, wherein the code further causes the controller to: receive a tier switch request from the first network, the tier switch request information associated with a desired tier level into which the first network requests to switch; and,

determine that the tier switch is to take place based on at least on the information associated with the desired tier level.