| 摘要 |
<P>PROBLEM TO BE SOLVED: To safely start secondary usage of a frequency band by cooperation of a plurality of communication devices. <P>SOLUTION: A communication control method to be disclosed includes: a step of providing an instruction for determining availability of usage of a second communication service using a part or whole of a frequency band assigned to a first communication service from a first communication device to a second communication device; a step of providing an instruction for sensing a communication environment from the second communication device to a communication device located nearby; a step of transmitting sensed data obtained by sensing the communication environment from a third communication device located near the second communication device to the second communication device; a step of determining availability of usage of the second communication service based on the sensed data by the second communication device; a step of transmitting a determination result on availability of usage of the second communication service from the second communication device to the first communication device; and a step of permitting usage of the second communication service in accordance with the determination result received from the second communication device by the first communication device. <P>COPYRIGHT: (C)2010,JPO&INPIT |
