Frequency notifying device, wireless device, management device and method
AssigneeFujitsu Limited
InventorTsuyoshi Shimomura
Life of this patent
Estimating the term…
Abstract
The frequency notifying device includes: a processor configured to store usable frequencies containing a restricted frequency being restricted in use thereof by radio equipment in a predetermined communication area and a frequency not being restricted in use thereof by the radio equipment in the communication area; and notify the radio equipment, in the communication area, of a signal for requesting the radio equipment to check whether the restricted frequency is usable or not before performing a communication using the restricted frequency when notifying the radio equipment of the usable frequency.
Claims2
A management device comprising a processor configured to:
- receive, from a frequency notifying device, a query about usable frequencies containing a restricted frequency being restricted in use thereof by a wireless device in a predetermined communication area and a frequency not being restricted in use thereof by the wireless device in the predetermined communication area;
- extract the usable frequencies from a database;
- transmit, to the frequency notifying device, the usable frequencies and information indicating whether or not use of each usable frequency is restricted in the predetermined communication area;
- receive, from a wireless device having been notified of the restricted frequency being restricted in use in the predetermined communication area, a request for checking whether or not the restricted frequency notified of by the frequency notifying device is usable in position of the wireless device;
- and
- transmit, to the wireless device without intervening the frequency notifying device, a result of the checking whether or not the restricted frequency notified by the frequency notifying device is usable.
Dependencies are inferred from the claim text.