To solve the problem that there is a waste of resources especially in a cellular phone system, because the cellular phone system and a digital TV broadcast system are independent from each other in spite of the commonness that versatile data files are downloaded, in such a way that, in the cellular phone system, each subscriber has access to the general data, in other words, versatile data separately and downloads the data separately using wireless resources with limited resources, while the digital TV broadcast system provides versatile data files to many receivers in a wide service area.

When data files are downloaded through the cellular phone system, data files are narrowed down based on requirement factors such as the versatility, the instantaneity, and the file size, and only the files that meet certain requirements are downloaded using a down link function of the digital TV broadcast, which results in the realization of the effective use of resources in the cellular phone system.