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Network selection method for double-mode terminal and double-mode terminal

A dual-mode terminal and network selection technology, applied in the field of communications, can solve the problems of increasing the probability of users losing the call and increasing the duration of network selection.

Active Publication Date: 2010-12-29
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although such a network selection method conforms to the network selection specification, the alternate network selection under the two access technologies increases the duration of network selection and increases the probability of users being lost and called.

Method used

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  • Network selection method for double-mode terminal and double-mode terminal
  • Network selection method for double-mode terminal and double-mode terminal
  • Network selection method for double-mode terminal and double-mode terminal

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Embodiment Construction

[0033] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that 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.

[0034] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0035] The first embodiment of the present invention relates to a network selection method for a dual-mode terminal. figure 1 It is a schematic flowchart of the method for network selection of the dual-mode terminal. In this embodiment, the two network systems supported by the dual-mode terminal are GSM and TD-SCDMA respectively, the first networ...

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Abstract

The invention relates to the field of communication, and discloses a network selection method for a double-mode terminal and a double-mode terminal. In the invention, in the network selection process of the double-mode terminal, the access technologies of two network systems supported by the double-mode terminal are completely separated, and the network selection process is concurrently initiatedin the first network system and the second network system, thereby respectively completing network selection under the condition of a single access technology. The two access technologies are separated, so that the network selection process can be conducted under the condition of a single access technology all the time, thereby effectively shortening the network selection time and residing in thecell capable of providing normal services as quickly as possible. Meanwhile, the access technologies of the two network systems are completely separated, thereby preventing continuous alternation between two access technologies in the network selection process of the double-mode terminal and enhancing the stability of the device.

Description

technical field [0001] The invention relates to the communication field, in particular to the dual-mode terminal technology in the communication field. Background technique [0002] With the continuous development of communication technology, various types of wireless communication systems have appeared, such as Global System for Mobile communication (Global System for Mobile communication, referred to as "GSM"), Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, referred to as " WCDMA"), Time Division Synchronous Code Division Multiple Access (TD-SCDMA for short), Worldwide Interoperability for Microwave Access (WiMAX for short), Long Term Evolution (LongTerm Evolution, short for "LTE") and so on. [0003] At present, many terminals (such as mobile phones) can support two kinds of wireless systems (or wireless standards), such as supporting both GSM and TD-SCDMA. Such a terminal supporting two wireless systems is generally called a dual-mode t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/18H04W88/06
Inventor 王鑫
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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