An apparatus of an Evolved Node-B (eNB) configured to operate in a domain of a mobile network, the apparatus comprising: interface circuitry; and hardware processing circuitry, the hardware processing circuitry to configure the interface circuitry to: send, to a mobile network shared spectrum controller of the mobile network domain, a request to register with a shared spectrum repository for secondary usage of shared spectrum; receive, from the mobile network shared spectrum controller, a registration confirmation message that indicates whether at least a portion of the shared spectrum is available for the secondary usage by the eNB, wherein the shared spectrum repository operates externally to the mobile network domain, wherein the shared spectrum is at least partly reserved, by the shared spectrum repository, for primary usage by one or more incumbent devices, wherein the registration confirmation is received from the mobile network shared spectrum controller on behalf of a public shared spectrum controller, wherein the eNB is configured to operate as part of a cellular network, the hardware processing circuitry is further configured to receive, from a network management element of the cellular network and on behalf of the public shared spectrum controller, spectrum access information that indicates a first time period and geographic area in which the shared spectrum is to be used in the cellular network and spectrum reclaiming information that indicates a second time period and geographic area in which the shared spectrum is not to be used in the cellular network. interface circuitry; and hardware processing circuitry, the hardware processing circuitry to configure the interface circuitry to: send, to a mobile network shared spectrum controller of the mobile network domain, a request to register with a shared spectrum repository for secondary usage of shared spectrum; receive, from the mobile network shared spectrum controller, a registration confirmation message that indicates whether at least a portion of the shared spectrum is available for the secondary usage by the eNB, wherein the shared spectrum repository operates externally to the mobile network domain, wherein the shared spectrum is at least partly reserved, by the shared spectrum repository, for primary usage by one or more incumbent devices, wherein the registration confirmation is received from the mobile network shared spectrum controller on behalf of a public shared spectrum controller, wherein the eNB is configured to operate as part of a cellular network, the hardware processing circuitry is further configured to receive, from a network management element of the cellular network and on behalf of the public shared spectrum controller, spectrum access information that indicates a first time period and geographic area in which the shared spectrum is to be used in the cellular network and spectrum reclaiming information that indicates a second time period and geographic area in which the shared spectrum is not to be used in the cellular network. send, to a mobile network shared spectrum controller of the mobile network domain, a request to register with a shared spectrum repository for secondary usage of shared spectrum; receive, from the mobile network shared spectrum controller, a registration confirmation message that indicates whether at least a portion of the shared spectrum is available for the secondary usage by the eNB, wherein the shared spectrum repository operates externally to the mobile network domain, wherein the shared spectrum is at least partly reserved, by the shared spectrum repository, for primary usage by one or more incumbent devices, wherein the registration confirmation is received from the mobile network shared spectrum controller on behalf of a public shared spectrum controller, wherein the eNB is configured to operate as part of a cellular network, the hardware processing circuitry is further configured to receive, from a network management element of the cellular network and on behalf of the public shared spectrum controller, spectrum access information that indicates a first time period and geographic area in which the shared spectrum is to be used in the cellular network and spectrum reclaiming information that indicates a second time period and geographic area in which the shared spectrum is not to be used in the cellular network.