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Quickly-resident cell searching method and mobile terminal

A cell search and mobile terminal technology, applied in the field of communications, can solve problems such as increasing time consumption, and achieve the effects of quickly finding, reducing dwell attempt time, and saving dwell attempt time

Active Publication Date: 2015-07-01
LEADCORE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because according to the previous search, it is known that these cells or frequency points cannot normally reside, therefore, subsequent operations on these cells or frequency points will increase unnecessary time consumption

Method used

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  • Quickly-resident cell searching method and mobile terminal
  • Quickly-resident cell searching method and mobile terminal
  • Quickly-resident cell searching method and mobile terminal

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Embodiment Construction

[0048]In order to make the object, technical solution and advantages of the present invention clearer, various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0049] The first embodiment of the present invention relates to a cell search method for fast camping. The following uses the designated frequency point search mode as an example, combining figure 1 and figure 2 Instructions include the following steps:

[0050] In step 101, L3 initiates a search, and then executes step 10...

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Abstract

The invention relates to the field of communication and discloses a quickly-resident cell searching method and a mobile terminal. According to the quickly-resident cell searching method, a black frequency point list and a black cell list are established, recognized invalid cells and invalid frequency points are respectively recorded in the black frequency point list and the black cell list in the all previous cell searching process, only frequency points in the black frequency point list are searched in the following cell searching process, only cells in the black frequency point list are searched, the residence trying time during cell searching is greatly shortened, and the purpose of more quickly finding proper resident cells is achieved.

Description

technical field [0001] The invention relates to the communication field, in particular to cell search technology. Background technique [0002] When performing cell search in E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, Evolved Universal Terrestrial Radio Access Network) or UTRAN (UMTS Terrestrial Radio Access Network, Terrestrial Radio Access Network), it is first necessary to search for all Perform power spectrum measurement on the frequency points, and then search for cell synchronization, read scrambling codes, antenna detection, and read system messages for each frequency point in turn according to the power from high to low. Since the process of trying to synchronize, read the scrambling code, and read the system message takes a lot of time, and there are multiple cells in one frequency point, during the search process, it is usually not possible to search all the cells and then select a cell suitable for camping. , but once the first 3GPP TS25.304 or 3GPP ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W60/00
Inventor 吕军红许刚刘洪波
Owner LEADCORE TECH