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Method and terminal for selecting cells

A cell and terminal technology, applied in the communication field, can solve problems such as long terminal time, and achieve the effect of load balance and even distribution

Inactive Publication Date: 2009-12-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention is made in consideration of the above-mentioned problems. Therefore, the main purpose of the present invention is to provide a method and terminal for selecting a cell, so as to solve the problem in the related art that the terminal takes a long time in the process of reselecting a cell after a cell handover fails.

Method used

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  • Method and terminal for selecting cells
  • Method and terminal for selecting cells

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Experimental program
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Embodiment Construction

[0028] method embodiment

[0029] In this embodiment, a method for selecting a cell is provided, which is used for selecting the best cell after the handover fails.

[0030] like figure 1 As shown, the method for selecting a cell according to this embodiment includes: step S102, the terminal searches for the best cell at the target frequency in the target RAT of this handover; step S104, when the best cell is not found, the terminal According to the measurement target list, search for the highest frequency under other frequencies in the target RAT of this handover, under the frequencies in other RATs of the non-target radio access technology in the measurement target list, and under the frequencies in the RAT outside the measurement target list. If the cell is a good cell, then stop the search (if the best cell is found during the search, or if the best cell is not found in the above-mentioned entire range, stop the search).

[0031]Wherein, the process of searching for the ...

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PUM

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Abstract

The invention discloses a method and a terminal for selecting cells. The method comprises the following steps: the terminal searches the best cell under a target frequency in a switched target wireless access technology; the terminal sequentially searches the best cell under other frequencies in the switched target wireless access technology, frequencies in other wireless access technologies of non-target wireless access technologies in a measuring target list and frequencies in wireless access technologies out of the measuring target list according to the measuring target list under the condition that the best cell is not found; and then, the terminal stops searching the best cell. The invention can rapidly and simply select the cells in a principle of using an expected high success ratio as the priority and can rapidly finish the process of selecting the best cell by the high success ratio to achieve the requirement of shortening the interruption time caused by switching failures as much as possible.

Description

technical field [0001] The present invention relates to the communication field, and in particular, relates to a method for selecting a cell and a terminal. Background technique [0002] In the existing wireless communication system, especially in the long term evolution (Long Term Evolution, LTE) wireless communication system, when considering the design principle of the handover failure scenario, it is generally hoped that the terminal can switch to the selected cell ( the selected cell), that is, the current best cell considered by the terminal, initiates a re-establishment procedure (the re-establishment procedure). [0003] When completing the reconstruction process, the terminal needs to complete two steps: Step 1, the terminal determines the selected cell (cell selection or cell reselection), that is, determines the current best cell that the terminal considers; Step 2, the cell selected here In this method, the terminal initiates a re-establishment process, and re-e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W48/18H04W88/02
Inventor 程翔柯雅珠
Owner ZTE CORP