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Antenna switching device and mobile terminal

A technology of antenna switching and main set antenna, applied in the field of radio frequency communication, can solve the problems of increasing the front-end insertion loss of the receiver and reducing the sensitivity of the mobile phone receiving signal.

Active Publication Date: 2017-09-05
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, RF signals in all frequency bands need to participate in the switching, which increases the insertion loss at the front end of the receiver and reduces the sensitivity of the mobile phone to receive signals

Method used

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  • Antenna switching device and mobile terminal
  • Antenna switching device and mobile terminal
  • Antenna switching device and mobile terminal

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0018] Such as figure 1 As shown, in one embodiment, the antenna switching device includes: a main set radio frequency front-end module 110, a diversity radio frequency front end module 120, a switch 130, a first main set antenna 141, a second main set antenna 142, a diversity antenna 143 and a control Module 150.

[0019] The RF front-end module 110 of the main set may be a Phase5 RF front-end module, and the model of the Phase5 RF front-end module may be SKY77938. The main radio frequency front-end module 110 includes a first terminal 101 , a second terminal 102 and a third terminal 103 . Wher...

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Abstract

The invention relates to an antenna switching device and a mobile terminal. The antenna switching device comprises a main radio-frequency front-end module, a diversity radio-frequency front-end module, a shift switch, a first main antenna, a second main antenna, a diversity antenna and a control module; a first terminal of the main radio-frequency front-end module is connected with the first main antenna, and a second terminal and a third terminal of the main radio-frequency front-end module are respectively connected with the second main antenna via the shift switch; the diversity radio-frequency front-end module is connected with the diversity antenna via the shift switch; and the control module controls the shift switch to be in an idle state by judging a frequency band where a current radio-frequency signal locates when the frequency band where the current radio-frequency signal locates is consistent with a frequency band of radio-frequency signals received and sent by the first main antenna. By fixing the first main antenna on the first terminal of the main radio-frequency front-end module, the radio-frequency signals received and sent by the first main antenna and the switching of the diversity antenna can be reduced, the channel insertion loss is reduced, the performance of the first main antenna is improved, and the user experience is provided.

Description

technical field [0001] The invention relates to the technical field of radio frequency communication, in particular to an antenna switching device and a mobile terminal. Background technique [0002] At present, mobile phones are developing in the direction of multi-function, miniaturization, and low radiation loss. The performance of mobile phone antennas for receiving electromagnetic waves directly determines the performance of mobile phone radiation and receiving electromagnetic wave signals, which affects the communication capabilities of mobile phones. [0003] Since the signal will attenuate during the propagation process, diversity technology is usually used in the design of mobile phones to improve the correct judgment rate of the signal to resist the adverse effects caused by signal fading. Under the current mobile phone stacking solution, the working mode of a double pole double throw (Double Pole Double Throw, DPDT) switch is usually used to realize the function c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/0404H04B7/06H04B7/08
CPCH04B7/0404H04B7/0602H04B7/0825
Inventor 张会勇
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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