Location registration system, mobile terminal, control...

Telecommunications – Radiotelephone system – Emergency or alarm communication

Reexamination Certificate

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Details

C455S433000, C455S435100, C455S456100, C455S436000

Reexamination Certificate

active

10175893

ABSTRACT:
Mobile terminal status information is sent from a mobile terminal to the communication network after predetermined period advertised from outside, and settings related with a location area for the mobile terminal are made based on the mobile terminal status information at a node in the communication network. In this manner, for example, the optimal location area may be set up in a way to follow changes in the mobile terminal property information, and location control may be performed efficiently even when the mobile terminal does not detect a change of location area, such as when a terminal moving at a high speed slows down it moving speed.

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Dong-Jun Lee, et al., “On Optimum Timer Value of Area and Timer-Based Location Registration Scheme” IEEE Communications Letters, vol. 5, No. 4, Apr. 2001.
Mouly, M., Pautet, M.: “The GSM System for Mobile Communications”, 7.1 Location Management, CELL & SYS, pp. 432-498, 1992-00-00, XP002129579.

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