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System and method for cell reselection

A cell reselection and cell technology, applied in the direction of electrical components, wireless communication, etc., can solve the problem of being unable to preferentially reselect to authorized CSG or Hybrid cells

Inactive Publication Date: 2011-08-10
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] The technical problem to be solved by the present invention is to provide a system and method for cell reselection, which solves the technical problem in the prior art that reselection to authorized CSG or Hybrid cells cannot be prioritized

Method used

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  • System and method for cell reselection
  • System and method for cell reselection
  • System and method for cell reselection

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0059] This embodiment provides a system for cell reselection, including user equipment;

[0060] The user equipment is used to measure adjacent cells, and is also used to measure that the cell with the strongest signal quality on a frequency point is a Closed Subscriber Group (CSG) cell or hybrid (Hybrid) cell authorized by the user equipment, and the cell with the strongest signal quality When the cell satisfies that any one of Srxlev and Squal is greater than 0, reselect to the cell with the strongest signal quality.

Embodiment 2

[0062]This embodiment provides a system for cell reselection, including a configuration module, user equipment, and a base station;

[0063] A setting module, configured to set a dedicated Q for the CSG cell and the Hybrid cell authorized by the user equipment qualmin and / or Q qualminlffset ;

[0064] The user equipment is used to measure adjacent cells, and is also used to determine the Q corresponding to the cell with the strongest signal quality when it is measured that the cell with the strongest signal quality at a frequency point is a CSG cell or a Hybrid cell authorized by the user equipment. qualmin and / or Q qualminoffset , and reselect to the cell with the strongest signal quality when the cell with the strongest signal quality satisfies Srxlev>0 and Squal>0.

[0065] The above setting module can set dedicated QQ for the CSG cell and Hybrid cell authorized by the user equipment in the following two ways: qualmin and / or Q qualminoffset :

[0066] (a) Set a certai...

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Abstract

The invention provides a system and method for cell reselection. In the method, user equipment (UE) measures adjacent cells; and if the cell which is measured to be provided with the strongest signal quality at a frequency point is a closed subscriber group (CSG) cell or a hybrid cell authorized by the UE, and if the cell with the strongest signal quality meets the condition that any one of Srxlev and Squal is more than 0, the UE reselects the cell with the strongest signal quality. The technical scheme in the invention is adopted to solve the technical problem that the authorized CSG cell or hybrid cell can not be reselected preferentially in the prior art.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a system and method for cell reselection. Background technique [0002] In a mobile communication system, handover and cell reselection are extremely important components. Specifically, when a user equipment (UE) leaves a cell and enters another cell, the original cell ( The signal of the serving cell) is getting weaker and weaker, while the signal of the entering cell it receives is getting stronger and stronger. In order to maintain the quality of the signal received by the device, the device must be switched from the original base station (or cell) to the newly entered base station (or cell) with stronger signals. For devices in the connected state, this transition between base stations is called handover, and for devices in the idle state, the change of the cell where the device resides is completed through the cell reselection process, and the target ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/30
Inventor 邓云
Owner ZTE CORP