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Method and system for residing when mobile terminal is powered on

A mobile terminal, mobile phone network technology, applied in wireless communication, access restriction, network data management, etc., can solve the problem of exclusion, and achieve the effect of expanding the scope and improving the quality

Active Publication Date: 2010-06-23
ZTE CORP
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  • Summary
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  • Description
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AI Technical Summary

Problems solved by technology

Therefore, the existing technology has the following problems: After the card is turned on and the card is read to obtain the RPLMN (Registered PLMN, registered mobile phone network), the cell search and residency can only be initiated under the RPLMN, and the optional cells do not include the shared cells in the TAI list. community of the network

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  • Method and system for residing when mobile terminal is powered on
  • Method and system for residing when mobile terminal is powered on
  • Method and system for residing when mobile terminal is powered on

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments.

[0039] Such as figure 1 As shown, the system in which the mobile terminal boots and resides in the present invention includes a man-machine interaction interface 1 (ManMachine interface, hereinafter referred to as MMI), a UE non-access stratum 2 (Non-Access Stratum, hereinafter referred to as NAS), and a user identification module 3 (Subscriber Identity Module, hereinafter referred to as SIM), UE's access layer 4 (Access Stratum, hereinafter referred to as AS), also includes the following modules:

[0040] The boot module 5 is configured to transmit a boot command between the MMI and the NAS, complete the boot process, and respond to a successful boot.

[0041] The SIM card information reading module 6 is used to return the RPLMN and TAI list information stored in the SIM card before the latest shutdown to the NAS according to the r...

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Abstract

The invention discloses a method and a system for residing when a mobile terminal is powered on. The method comprises the following steps: storing a TAI (tracking area identity) list and RPLMN (registered public land mobile network) information residing in a mobile terminal powered off last time in an SIM (subscriber identity module) card; pre-reading the TAI list and the RPLMN information in the SIM card by a non-access stratum when the mobile terminal is powered on again; then, sending a network searching command and a cell residing request to an access stratum; and searching for cells by the access stratum according to the TAI list and the RPLMN information contained in the cell residing request, and residing in the cell with the best quality. The mobile terminal of the invention is capable of residing in cells of both the RPLMN and the shared network in the TAI list, thereby widening the selecting range of cells, increasing the success rate of residing and improving the quality of service of user ends.

Description

technical field [0001] The present invention relates to the technical field of network selection at startup under the LTE (Long Term Evolution, Long Term Evolution) system, and in particular to a method and system for camping on startup of a mobile terminal. Background technique [0002] The 3GPP R8 protocol TS 24301-800 introduces the concept of TAI list (Tracking Area Identity list, tracking area identification list) in the LTE system, and the TAI list includes a set of TAIs. TAI is composed of TAC (Tracking Area Code, tracking area code) and PLMN (Public Land Mobile Network, public land mobile network) ID, which is used to indicate the current location of UE (User End, user terminal). In the TAI list, when the TAI of the UE changes, it is not necessary to initiate an update procedure to notify the network side, that is, it is not necessary to initiate a TAU (Tracking Area Updating, tracking area update). [0003] Shared network technology is a technology that allows diff...

Claims

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Application Information

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IPC IPC(8): H04W8/24H04W48/18
CPCH04W48/20
Inventor 张建立
Owner ZTE CORP
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