Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-01-31
2009-08-25
Gelin, Jean A (Department: 2617)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S352000, C370S310000
Reexamination Certificate
active
07580414
ABSTRACT:
A function by which an unnecessary General Packet Radio Service (GPRS) attach procedure is no longer performed when a service cancellation situation is generated during execution of a GPRS attach procedure according to a data service requested by a user is implemented. To do this, a system is configured to determine whether an abnormal situation occurs in an Europe-oriented General Packet Radio Service/Universal Mobile Telecommunication System (GPRS/UMTS) mobile terminal and to immediately terminate a currently proceeding attach procedure when an abnormal service cancellation situation occurs. Herein, the abnormal situation can occur when the user cancels a service during use of a data service (e.g., Wireless Application Protocol (WAP), Multimedia Message Service (MMS)) or when connection of the service fails due to a bad network state. Accordingly, by not performing an unnecessary GPRS attach procedure due to the occurrence of an abnormal situation, the mobile terminal does not have to perform an unnecessary routing area updating procedure, thereby reducing power consumption.
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Mobile Radio Interface Layer 3 Specification; Core Network Protocols; Stage 3, Jan. 2005.
Gelin Jean A
Samsung Electronics Co,. Ltd.
The Farrell Law Firm, LLP
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