To provide a limited distribution radio network system which can easily construct a mechanism for providing a radio terminal unit with information limited to an area.
When the radio terminal unit 101 transmits a content distribution request to a content distribution server 106 classified by a W area for distributing a content limited to an area, a W area specifying server 104 which manages the area of a radio sub-network where an AP 102 and a proxy server 103 are disposed with a W area name searches the W are name in which the radio terminal unit 101 exists by referring to an AP 102 relaying a content distribution request from a transmitting source radio terminal unit 101 and/or an ESSID, a MAC address, etc. unique to the proxy server 103 and transmits to the distribution server 106 according to the W area as the content distribution request attached with the W area name. Thereby, it distributes from the distribution server 106 according to the W area about the content corresponding to these W area names to the requesting radio terminal unit 101.
COPYRIGHT: (C)2008,JPO&INPIT
Yasuhiro Mizukoshi
Takeaki Minamizawa
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