Method and device for re-selecting based on residence access control

A cell access and cell reselection technology, applied in the directions of access restriction, selection device, radio/induction link selection arrangement, etc., can solve the problem of inability to obtain communication services, inability of user terminals to perform services, deprivation of initiating calls and establishment of communication rights and other issues to achieve the effect of improving service quality

Inactive Publication Date: 2007-06-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0029] While implementing load control on the current serving cell, the existing technology deprives some user terminals of the right to initiate a call and establish communication in the current cell for some idle services, so that these user terminals that are prohibited by the system from initiating access cannot perform corresponding services. business, thus unable to obtain normal communication services

Method used

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  • Method and device for re-selecting based on residence access control
  • Method and device for re-selecting based on residence access control

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Embodiment Construction

[0064] Next, the first embodiment of the cell reselection method of the present invention will be described in conjunction with the flow chart in FIG. 1 .

[0065] In step 101, according to the solution in the prior art, the user terminal selects a cell that satisfies the conditions to camp on based on the signal measurement, the S criterion for cell selection, and the R criterion for cell reselection.

[0066] In step 102, the user terminal reads system information to obtain cell access control information.

[0067] In step 103, if the current camping cell prohibits the user terminal of the access class to which the user terminal belongs to initiate access, that is, the user terminal belonging to the same access class as the user terminal is prohibited from initiating a call, then execute step 104 , otherwise go back to step 101 and continue normal cell selection and reselection.

[0068] In step 104, a periodic timer T is started and waits for the timer to expire.

[0069]...

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Abstract

In the cell reselection apparatus: when central controller receives a notice, from cell access detecting unit, for prohibiting the terminal to initiate an access to the current resident cell, it starts up the cell measurement algorithm unit; according to the instruction from central controller, the cell measurement algorithm unit measures neighboring cells and selects cells whose measurement values satisfy a preset rule; the central controller sends the notice of finding cells satisfying the preset rule to the cell access detection unit; the cell access detection unit detects the found cells, and selects one of cells allowing terminal to access as resident destination cell.

Description

technical field [0001] The present invention relates to a mobile communication system, in particular to a cell reselection method and device based on cell access control in the mobile communication system. Background technique [0002] In a WCDMA system, for user terminals in the CELL FACH, CELL_PCH, and URA_PCH states in idle (idle) mode and connected mode, their mobility management is realized through cell selection and reselection, and the decision-making power to select a suitable cell for camping on The user side, but the network side can indirectly control the cell selection and reselection of the UE by configuring related parameters in the broadcast message. [0003] The process of cell selection and reselection consists of two parts: selection and reselection, which are judged by S criterion and R criterion respectively. [0004] S criterion for user terminal cell selection (frequency division duplex FDD cell): [0005] Srxlev>0 AND Squal>0 [0006] in, [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/32H04W24/00H04W48/18
Inventor 张静荣
Owner HUAWEI TECH CO LTD
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