A system comprising a control device and another control device, the control device comprising: - a first acquiring section configured to acquire first geolocation information of a reference point for interference calculation of a first wireless operation and to calculate or acquire an interference acceptable amount at the reference point; - a second acquiring section configured to acquire second geolocation information, first antenna information, and first beam pattern information of a wireless device belonging to a second wireless operation that shares a portion or all of a frequency assigned to the first wireless operation, the first beam pattern information indicating a beam pattern usable by the wireless device; - a determining section configured to determine information regarding a beam permitted to the wireless device on a basis of the first geolocation information and the interference acceptable amount of the reference point, and on a basis of the second geolocation information, the first antenna information, and the first beam pattern information of the wireless device; and - a notifying section configured to notify the wireless device or a device related to the wireless device of the information regarding the beam permitted to the wireless device, wherein the notifying section is configured to notify the other control device of the information regarding the beam permitted to the wireless device, the other control device being configured to select, based on the information regarding the beam permitted to the wireless device, another wireless device that is a destination of handover of a terminal device that communicates with the wireless device. the control device comprising: - a first acquiring section configured to acquire first geolocation information of a reference point for interference calculation of a first wireless operation and to calculate or acquire an interference acceptable amount at the reference point; - a second acquiring section configured to acquire second geolocation information, first antenna information, and first beam pattern information of a wireless device belonging to a second wireless operation that shares a portion or all of a frequency assigned to the first wireless operation, the first beam pattern information indicating a beam pattern usable by the wireless device; - a determining section configured to determine information regarding a beam permitted to the wireless device on a basis of the first geolocation information and the interference acceptable amount of the reference point, and on a basis of the second geolocation information, the first antenna information, and the first beam pattern information of the wireless device; and - a notifying section configured to notify the wireless device or a device related to the wireless device of the information regarding the beam permitted to the wireless device, wherein the notifying section is configured to notify the other control device of the information regarding the beam permitted to the wireless device, - a first acquiring section configured to acquire first geolocation information of a reference point for interference calculation of a first wireless operation and to calculate or acquire an interference acceptable amount at the reference point; - a second acquiring section configured to acquire second geolocation information, first antenna information, and first beam pattern information of a wireless device belonging to a second wireless operation that shares a portion or all of a frequency assigned to the first wireless operation, the first beam pattern information indicating a beam pattern usable by the wireless device; - a determining section configured to determine information regarding a beam permitted to the wireless device on a basis of the first geolocation information and the interference acceptable amount of the reference point, and on a basis of the second geolocation information, the first antenna information, and the first beam pattern information of the wireless device; and - a notifying section configured to notify the wireless device or a device related to the wireless device of the information regarding the beam permitted to the wireless device, wherein the notifying section is configured to notify the other control device of the information regarding the beam permitted to the wireless device, the other control device being configured to select, based on the information regarding the beam permitted to the wireless device, another wireless device that is a destination of handover of a terminal device that communicates with the wireless device.