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Method for searching network by multi-mode terminal and multi-mode terminal

A multi-mode terminal and network search technology, applied in the wireless field, can solve problems such as not meeting the priority of staying on the LTE network

Active Publication Date: 2016-12-21
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, if the user sets the network search mode to TD-SCDMA network priority, although the time for the terminal to search the network will be shortened, the terminal will reside on the TD-SCDMA network after power-on, which does not comply with the policy of preferentially staying on the LTE network

Method used

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  • Method for searching network by multi-mode terminal and multi-mode terminal
  • Method for searching network by multi-mode terminal and multi-mode terminal
  • Method for searching network by multi-mode terminal and multi-mode terminal

Examples

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Effect test

Embodiment 1

[0150] Such as figure 1 Shown is a schematic flowchart of a method for a multi-mode terminal to search a network according to the first embodiment of the present invention, and the method for a multi-mode terminal to search a network includes the following steps:

[0151] Step 101, when the multi-mode terminal selects a network again and stores the cell information of the serving cell and its neighboring cells, it is sequentially judged whether the stored cells correspond to the data rate of the network in descending order Can reside until the multi-mode terminal resides or all stored cells cannot reside;

[0152] The multi-mode terminal usually executes the operation of re-searching the network when it is turned on or re-enters the service area after losing coverage. When the multi-mode terminal is turned off or loses coverage (that is, leaves the service area), it will record and store the cell information of the current serving cell and its neighboring cells.

[0153] The...

Embodiment 2

[0162] The multi-mode terminal in this embodiment is an LTE / TD-SCDMA dual-mode terminal, and the method for searching the network when the LTE / TD-SCDMA dual-mode terminal is turned on is as follows: figure 2 as shown ( figure 2 Among TD is the abbreviation of TD-SCDMA), comprises the following steps:

[0163] Step 201, judging whether the cell information of the serving cell and its neighboring cells stored during shutdown contains the cell information of the LTE network, if yes, execute step 202, otherwise execute step 205;

[0164] Step 202, performing LTE cell selection according to the stored cell information of the LTE network;

[0165] Step 203, judging whether there is an LTE cell satisfying the condition, if yes, executing step 204, otherwise executing step 205;

[0166] Step 204, camp in an LTE cell that meets the conditions, and complete other boot procedures such as registration.

[0167] Step 205, judging whether the stored cell information includes the cell i...

Embodiment 3

[0181] Such as image 3 Shown is a schematic flowchart of a method for a multi-mode terminal to search for a network according to a third embodiment of the present invention. The method for a multi-mode terminal to search for a network includes the following steps:

[0182] Step 301, when the multi-mode terminal selects a network again, it is judged whether the cell information of the serving cell and its neighboring cells is stored;

[0183] Step 302, when the cell information of the serving cell and its neighboring cells is stored, judge whether the stored cells can reside in order according to the data rate of the network corresponding to the stored cell from high to low, until the multiple Modular terminals are resident or all stored cells cannot be resident;

[0184] Step 303, when the stored cell is a resident cell, and the resident cell has a network neighbor with a higher data rate, follow the order of the data rate of the network corresponding to the neighbor from hi...

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Abstract

The present invention provides a method for a multi-mode terminal to search for a network and the multi-mode terminal. The multi-mode terminal can reside in multiple networks respectively. ; When the resident cell exists, determine whether the resident cell has a network neighbor with a higher data rate; when the resident cell has the neighbor, according to the neighbor cell corresponding In the order of the data rate of the network from high to low, it is judged in turn whether the adjacent cells can reside; when the adjacent cells can reside, reside in the adjacent cells; , stay in the campable cell; if the campable cell has no network neighbors with a higher data rate, camp in the campable cell. The present invention shortens the network search time of the multi-mode terminal under the strategy of preferentially staying in the high-speed communication network as much as possible.

Description

technical field [0001] The present invention relates to the field of wireless technology, in particular to a method for a multi-mode terminal to search a network and the multi-mode terminal. Background technique [0002] When the current mobile terminal is turned on, it usually searches the network according to the following method: first, select a cell according to the cell information stored when it is turned off, if there is no cell that meets the conditions, then search for a suitable cell in the entire frequency band according to the initial cell selection method, Until a cell that meets the conditions is found, then stay in the cell. If the mobile terminal supports multiple wireless access systems (that is, the mobile terminal is a multi-mode terminal), and there are priorities set for different access systems, the mobile terminal will first try to access the network of the high-priority system. At this time, if The cell information of the high-priority standard netwo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W88/06
Inventor 黄宇红舒晶李新刘磊郭卫江李秋香
Owner CHINA MOBILE COMM GRP CO LTD
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