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Selecting method for communication network

A communication network and network technology, applied in the field of communication, can solve the problems of expensive roaming and even international roaming charges, and achieve the effect of avoiding roaming and even international roaming charges and saving settlement charges.

Inactive Publication Date: 2007-06-27
BEIJING SAMSUNG TELECOM R&D CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, even if there is HPLMN coverage in these areas, the mobile phones of these users will bring expensive roaming or even international roaming fees to these users because they choose other PLMNs

Method used

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  • Selecting method for communication network
  • Selecting method for communication network

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Embodiment Construction

[0021] The invention relates to a method for a mobile phone to select a communication network. The invention provides a communication network selection method suitable for mobile phones, so that the mobile phone can preferentially select its home network instead of other networks when it roams to the border area bordering the home network and other networks. When the mobile phone accesses a certain network last time, the said network or other networks provide a parameter to the mobile phone. When the mobile phone needs to select a network, it determines whether to preferentially select its home network according to the parameters.

[0022] Referring to the accompanying drawings, three preferred embodiments of the communication system according to the present invention are described below. In particular, the communication system is a wireless communication system operating in compliance with at least one of the following communication standards. These standards include various...

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Abstract

A method of selecting communication network includes steps: mobile phone receives parameters for the current network and / or the home network which has overlay areas with the current network, mobile phone conducts corresponding operations with the current and / or home network, mobile phone decides whether to select home network to access in priority according to the above parameters. According to this method, when roaming at the border area between home networks and others, cell phone can choose its home network rather than the others.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a method for selecting a communication system network. Background technique [0002] Whenever the mobile phone is turned on or the user moves to a new registration area, the mobile phone will initiate a Public Land Mobile Network (hereinafter referred to as PLMN) discovery process. Usually, the mobile phone moves within the service range of its home PLMN (hereinafter referred to as HPLMN), and receives the service of its HPLMN. This HPLMN is usually the PLMN owned by the service provider contracted with the user. [0003] Generally speaking, after signing a contract with a service provider, each subscriber will obtain a code that is used to uniquely identify the user—the International Mobile Station Identity (hereinafter referred to as IMSI), which is usually stored in a small inside the SIM card. This SIM card can be inserted into the mobile phone and can be used to identif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W48/18
Inventor 朱彦民李小强
Owner BEIJING SAMSUNG TELECOM R&D CENT