CHANNEL INFORMATION PROVIDING METHOD AND CHANNEL INFORMATION PROVIDING DATABASE SERVER AND CHANNEL INFORMATION PROVIDING SYSTEM

摘要

The purpose of the present invention is to provide a channel information providing method, a channel information providing database server, and a channel information providing system, which receive channel quality information from a cognitive radio terminal receiving channel information based on location information, and facilitate efficient use of channels using the received information. The channel information providing method according to a preferable embodiment of the present invention, as a channel information providing method using a database server providing channel information to the cognitive radio terminal based on the location information, comprises: a provision step of providing information on a channel to at least one cognitive radio terminal; a reception step of receiving collected information on quality of the channel from the at least one cognitive radio terminal; and a determination step of updating the information on the channel provided in the provision step by using the information received in the reception step.