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Network searching method and terminal

A network search and terminal technology, applied in the field of communications, can solve the problems of long network search time and low network search efficiency.

Active Publication Date: 2019-03-05
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above technical problems, an embodiment of the present invention provides a network search method and terminal to solve the problems of long network search time and low network search efficiency

Method used

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  • Network searching method and terminal
  • Network searching method and terminal
  • Network searching method and terminal

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Embodiment Construction

[0055] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0056] see figure 1 , the figure shows a schematic diagram of the terminal architecture of the embodiment of the present invention, the terminal includes a main antenna, an auxiliary antenna, a first quadrature down-conversion module, a second quadrature down-conversion module, a third quadrature down-conversion module, a fourth A quadrature down conversion module, a first oscillator, a second oscillator, a first logic switch, a se...

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Abstract

The embodiment of the invention provides a network searching method and a terminal. The method comprises the steps of: dividing bands which need to be searched into an inter-band carrier aggregation band group and a to-be-compensated-and-calibrated band group; and after band grouping is completed, simultaneously searching a plurality of bands corresponding to elements of the inter-band carrier aggregation band group, and then searching a plurality of bands corresponding to elements of the to-be-compensated-and-calibrated band group. Therefore, in a network searching stage, the terminal can simultaneously carry out synchronous frequency searching of bands related to supported inter-band carrier aggregation, and a main antenna and an auxiliary antenna can simultaneously receive signals on two different bands (bands related to non inter-band carrier aggregation) so as to simultaneously carry out searching of two or more frequency points.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a network search method and a terminal. Background technique [0002] Currently, with the popularization of inter-band carrier aggregation technology, a terminal can simultaneously receive data on two different frequency bands. Due to the limitation that the main and auxiliary channels use the same or multiple local oscillators, the main antenna and the auxiliary antenna can still only receive and process signals from the same (or multiple) cells. After the terminal is turned on, it searches the entire frequency band according to its own capabilities and settings, and tries to read the information of the strongest signal cell on each frequency point. [0003] Currently, there are many optimization schemes. For example, the terminal stores relevant information in a USIM (Universal Subscriber Identity Module) or a mobile phone, and the information can be used to quickly sear...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W48/18
CPCH04W48/16H04W48/18
Inventor 王苗曹蕾翁玮文
Owner CHINA MOBILE COMM LTD RES INST