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Personal mobile internet

  • US 20030174683A1
  • Filed: 01/02/2003
  • Published: 09/18/2003
  • Est. Priority Date: 07/07/2000
  • Status: Active Grant
First Claim
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1. A client-server based information or service system for providing location dependent information or services to operating mobile clients, said system comprising a plurality of stationary servers arranged in a hierarchical ordered tree shaped network, characterized in that each server is arranged to provide information or services corresponding to a predefined specific geographical area, said geographical area being non-overlapping to with respect to adjacent areas corresponding to servers on the same network hierarchy level, said geographical being subdevideable to comprise geographical areas corresponding to servers on lower network hierarchy levels, any server is located at either the root, a branch node or a leaf of the tree shaped network, and any operating mobile client has an association with only one server at a time, the association being transferable between adjacent servers of the tree shaped network on an existing connection of a client to the network, whereby a mobile client user obtains automatically or on user request information or services of interest pertaining to the specific geographical area of the corresponding server with which the client currently has an association.

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