| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To efficiently select data related to a pertinent region from collectively distributed data related to respective regions. <P>SOLUTION: A distribution server 8 adds range information indicating ranges of regions to data related to respective regions A and B and distributes the data by multicasting or broadcasting. Radio terminals 1a and 1b select data related to regions where they exist, from collectively distributed data related to respective regions, on the basis of their location information acquired by electric waves from a GPS satellite 3 and range information added to the distributed data. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
