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Multi-mode terminal network searching method and multi-mode terminal network searching device

A multi-mode terminal and network technology, applied in the field of communication, can solve the problems of low search efficiency and achieve the effect of improving search efficiency and user experience

Active Publication Date: 2017-02-22
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves the problem of low network search efficiency when the multi-mode terminal is turned on

Method used

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  • Multi-mode terminal network searching method and multi-mode terminal network searching device

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Experimental program
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Embodiment Construction

[0035] In the prior art, a multi-mode terminal needs to search the network when starting up to reside in a suitable cell, and analyze system information after power scanning and cell synchronization in each network (eg LTE / WCDMA / TDS_CDMA / GSM) mode.

[0036] However, after power scanning and cell synchronization, there are still time fragments between analyzing system information and between analyzing system information, which is not conducive to improving network search efficiency when multi-mode terminals are turned on.

[0037] In the existing technology, when the multi-mode terminal is turned on, the time fragments between power scanning and cell synchronization and between parsing system information and between parsing system information are not utilized in each network mode, resulting in low network search efficiency when the multi-mode terminal is turned on The problem.

[0038] In order to solve the above problems, the technical solution of the present invention provide...

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Abstract

The invention discloses a multi-mode terminal network searching method and a multi-mode terminal network searching device. The multi-mode terminal network searching method comprises steps that a time domain position of a scanning synchronization frame used for power scanning and cell synchronization is acquired; the time domain position of the system information analytic frame of the first network used for analyzing the system information of the first network is acquired; a gap between the time domain position of the scanning synchronization frame of the first network and the time domain position of the system information analytic frame is calculated, and the gap is allocated for the power scanning, the cell synchronization, and the analysis of the system information of the other network, and the system information comprises MIB information and SI information. The gap of the first network is allocated for the power scanning, the cell synchronization, and the analysis of the system information of the other network, and then during starting up, the network searching of a plurality networks is carried out at the same time, and therefore the network searching efficiency of the multi-mode terminal during the starting up is greatly improved, and user experience is greatly improved.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for searching a network by a multi-mode terminal. Background technique [0002] With the continuous development of communication technologies, existing user equipment (User Equipment, UE) is usually a multi-mode terminal, which can support multiple different network modes, and the user terminal can switch between different network modes. For example, for LTE mobile terminals, voice transmission is performed under 3G / 2G, and data transmission is performed under 4G. [0003] In the prior art, a multi-mode terminal needs to search the network when it is turned on to reside in a suitable cell. In each network (such as LTE network\WCDMA network\TDS_CDMA network\GSM network) mode, after power scanning and cell synchronization, Analyze system information, so the network search efficiency is low when the multi-mode terminal is turned on. Contents o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W88/06
CPCH04W48/16H04W88/06
Inventor 田旭
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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