Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shozo Fujino0
Date of Patent
January 15, 2008
0Patent Application Number
103702690
Date Filed
February 20, 2003
0Patent Primary Examiner
Patent abstract
A general packet radio service (GPRS) system includes radio network controllers (RNC), support nodes (SGSN) and a gateway node (GGSN) connected in a hierarchical order for packet transmission between mobile stations in the system. Each of each RNC, each SGSN and GGSN has a communication path controller to return the request of coupling toward subordinate node or controller if the subordinate mobile stations include the destination mobile station. Accounting for the packet service is based on the return of the packets.
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