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Method for providing roaming to mobile communication terminal

A mobile communication terminal and service method technology, applied in the field of mobile communication terminals

Inactive Publication Date: 2008-07-16
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case the MSC denies system access and this can cause problems by creating unnecessary load in the system

Method used

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  • Method for providing roaming to mobile communication terminal
  • Method for providing roaming to mobile communication terminal
  • Method for providing roaming to mobile communication terminal

Examples

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Embodiment Construction

[0017] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Terms to be used below are defined by considering their functions in the present invention, and may be changed depending on user's intention or according to actual conditions. Accordingly, these terms shall be defined throughout the text of the specification.

[0018] The description of the forward link structure of the code division multiple access system will first describe the detailed operation of the present invention.

[0019] The base station complies with the International Standard (IS)-95 and IS-95-based code division multiple access standards, and sends messages through synchronization channels, pilot channels, paging channels and traffic channels. Traffic channels carry voice and data for...

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Abstract

Disclosed is a method for enabling a mobile communication terminal to receive a roaming service. The method according to the invention includes the steps of receiving a system parameter message including a system ID from a base station by a mobile communication terminal of an idle state, determining whether or not the base station assists in a roaming service by means of the system ID, maintaining an idle state in the affirmative, and entering an out-of-service (OOS) state in the negative. The method according to the invention reduces unnecessary load of the system by minimizing the demands for a call to the base station that does not assist in a roaming service.

Description

technical field [0001] The present invention generally relates to mobile communication terminals, and more particularly relates to a method for providing roaming to mobile communication terminals. Background technique [0002] A cellular mobile communication system enables users to continuously communicate while moving between public cells by dividing the entire service area into a plurality of base stations (BS), and by centrally controlling such base stations at a mobile switching center (MSC). [0003] figure 1 is a diagram illustrating the structure of a conventional cellular mobile communication system. refer to figure 1 , the base stations 20, 30 respectively transmit respective originating identification pilot signals, and perform communication by connecting the mobile communication terminal 10 to a wireless channel from the corresponding cell. [0004] A mobile communication terminal can provide a roaming service in accordance with an agreement between competing s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04B7/26H04W48/12
CPCH04W48/12
Inventor 宋尚旭
Owner SAMSUNG ELECTRONICS CO LTD
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