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Method and system for realizing fast cell selection in wireless communication system

A wireless communication system and cell selection technology, applied in the directions of wireless communication, access restriction, electrical components, etc., can solve the problems of terminal equipment being unable to stay in the cell normally and unable to perform services, etc.

Active Publication Date: 2015-08-26
LEADCORE TECH
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  • Abstract
  • Description
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Problems solved by technology

Then, because there are many frequency points in the frequency band, the first n frequency points are generally used to try to synchronize and reside in the cell after frequency scanning. It does not include the frequency point of the cell that should be resident, so that the terminal equipment cannot always reside in the normal cell and cannot perform business

Method used

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  • Method and system for realizing fast cell selection in wireless communication system
  • Method and system for realizing fast cell selection in wireless communication system
  • Method and system for realizing fast cell selection in wireless communication system

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Embodiment Construction

[0055] The present invention will be further described below with reference to the drawings and embodiments.

[0056] Embodiment of method for realizing fast cell selection in wireless communication system

[0057] figure 1 Shows the overall process of cell camping in the method for realizing fast cell selection in the wireless communication system of the present invention. For the overall process of camping in fast cell selection, including figure 1 The four steps shown.

[0058] Step S100: When the mobile device is turned on, the upper application module will trigger a mobile management MM (Mobile Management) registration request, carrying the PLMN selection mode and PLMN information. Next, step S101 is executed, and the MM requests RR (Radio Resources) network selection and camping. PLMN selection mode is divided into automatic mode and manual mode. PLMN is composed of MCC (Mobile Country Code) and MNC (Mobile Network Code). China’s MCC is 460, China Mobile’s MNC is 00 and 02,...

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Abstract

The invention discloses a method and a system for implementing quick cell selection in a wireless communication system. A mobile device is allowed to quickly select effective cells, time for cell selection is reduced, and work performance is stable and reliable. According to the technical scheme, when the mobile device is allowed to execute full-frequency-band scanning (after the mobile device is turned on, the mobile device not carrying a storage list or cells in the storage list are not suitable for lingering and enter a coverage area from a blind area, or useless neighbor cells are reselected) to select cells, cells, which are lingered to cells in a PLMN (public land mobile network) frequency point list which is stored by the mobile device matched with a pointed PLMN are given priority to trial, an electric level value of a priority trail frequency point is higher than threshold I, and cells with PLMNs ensured to be inconsistent are no longer tried.

Description

Technical field [0001] The present invention relates to the field of wireless communication, and in particular to a method and system for implementing rapid cell selection by a mobile device of a wireless communication system. Background technique [0002] GSM (Global System for Mobile communications, that is, Global System for Mobile Communications) is currently the most widely used digital mobile communications system in the world. [0003] When the mobile device is turned on or enters the coverage area from the blind area, it will try to find all the frequency points allowed by the Public Lands Mobile Network (PLMN), so the mobile device will choose a suitable cell to camp on. This process is called Cell selection. [0004] The GSM communication system of my country's terrestrial cellular digital mobile communication network uses 900MHz and 1800MHz frequency bands. The GSM900MHz frequency band is: 890-915MHz (transmitted by the mobile station, received by the base station), 935-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W48/18
Inventor 李彦志吴晓荣陈加明龙红星
Owner LEADCORE TECH
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