Electronic device

By using an antenna switch module in electronic devices to switch the radio frequency channel to conduct with multiple radiators, the problem of unstable signal strength in communication between electronic devices and satellite devices was solved, thereby improving signal strength and reliability.

CN122179500APending Publication Date: 2026-06-09GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD
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Patent Information

Application Number
CN202411809213.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In the process of communication between electronic devices and satellite equipment, insufficient signal strength stability and reliability have become technical problems that need to be solved.

Method used

An antenna switch module is used to switch the RF transmitting channel in the RF front-end module to conduct with multiple radiators to determine the transmitting antenna, and to switch the RF receiving channel to conduct with multiple radiators to determine the receiving antenna, thereby improving signal strength stability and reliability.

Benefits of technology

By dynamically switching antennas, the stability and reliability of transmitted and received signal strength during the communication connection between electronic devices and satellite equipment are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN122179500A_ABST
Patent Text Reader

Abstract

This application provides an electronic device in which a radio frequency (RF) transceiver module is used to transmit and receive satellite signals. The RF front-end module includes at least one RF receiving channel and at least one RF transmitting channel, electrically connected to the RF transceiver module. An antenna switch module is electrically connected to the RF transmitting channel and the RF receiving channel. A first radiator is disposed on the top frame and electrically connected to the antenna switch module. At least one second radiator is disposed at one or more locations on the first side frame, the second side frame, and the rear cover, and electrically connected to the antenna switch module. The antenna switch module is used to switch between the first radiator and at least one of the at least two second radiators connected to the RF transmitting channel. The antenna switch module is also used to switch between the first radiator and at least one of the at least two second radiators connected to the RF receiving channel. This application can improve the stability and reliability of satellite signal strength.
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Claims

1. An electronic device, characterized in that, The system includes a back cover, a frame, and a radio frequency (RF) system. The frame includes a top frame, a first side frame, a bottom frame, and a second side frame connected in sequence. The RF system includes: Radio frequency transceiver module, used for transmitting and receiving satellite signals; The radio frequency front-end module includes at least one radio frequency receiving channel and at least one radio frequency transmitting channel. The radio frequency transmitting channel is electrically connected to the radio frequency transceiver module and is used to transmit satellite signals in a first frequency band. The radio frequency receiving channel is electrically connected to the radio frequency transceiver module and is used to receive satellite signals in a second frequency band. The second frequency band is in the same frequency range or a different frequency range from the first frequency band. An antenna switch module, wherein the antenna switch module is electrically connected to the at least one radio frequency transmitting channel and the at least one radio frequency receiving channel; A first radiator is disposed on the top frame and is electrically connected to the antenna switch module. At least one second radiator is disposed at one or more locations among the first side frame, the second side frame, and the rear cover, and the at least one second radiator is electrically connected to the antenna switch module; The antenna switch module is used to switch to connect to the radio frequency transmission channel via any one of the first radiator and the at least one second radiator; the antenna switch module is also used to switch to connect to the radio frequency reception channel via any one of the first radiator and the at least one second radiator.

2. The electronic device as claimed in claim 1, characterized in that, The electronic device further includes a controller, which is electrically connected to the antenna switch module; The controller is used to control the antenna switch module to connect the first radiator and the radio frequency transmission channel during the satellite connection phase; or, The controller is used to control the antenna switch module to connect the radio frequency transmission channel to the first radiator or the at least one second radiator during the satellite connection phase, based on the strength of the transmitted signal.

3. The electronic device as described in claim 2, characterized in that, The controller is used to control the antenna switching module to connect the first radiator and the radio frequency receiving channel during the satellite connection phase; or... The controller is used to control the antenna switching module to connect at least one radio frequency receiving channel to the first radiator or the at least one second radiator during the satellite connection phase, based on the signal reception strength.

4. The electronic device according to any one of claims 1 to 3, characterized in that, The electronic device further includes a controller electrically connected to the antenna switch module; the controller is used to control the antenna switch module to connect the radio frequency transmission channel to the first radiator or the at least one second radiator during the satellite service interaction phase, based on at least one of the service type, user selection mode, and attitude of the electronic device.

5. The electronic device as claimed in claim 4, characterized in that, The controller is used to determine, when the user selects the hands-free mode during the satellite service interaction phase, to control the antenna switch module to connect the radio frequency transmission channel to the first radiator; And / or, The controller is used to determine, when the user selects the earpiece mode during the satellite service interaction phase, to control the antenna switch module to connect the radio frequency transmission channel to the at least one second radiator.

6. The electronic device as claimed in claim 4, characterized in that, The electronic device also includes a handset, and the controller is electrically connected to the handset; The at least one second radiator includes a first sub-radiator and a second sub-radiator. The first sub-radiator is disposed on the first side frame, and the second sub-radiator is disposed on the second side frame. Both the first sub-radiator and the second sub-radiator are electrically connected to the antenna switch module. The controller is used to control the antenna switch module to connect the radio frequency transmission channel to the first sub-radiator or the second sub-radiator based on the earpiece being in working state and the posture or hand gesture indication signal of the electronic device.

7. The electronic device as claimed in claim 6, characterized in that, The at least one second radiator further includes a third sub-radiator, which is disposed on the rear cover. The controller is used to control the antenna switch module to connect the radio frequency transmission channel to the first sub-radiator, the second sub-radiator, or the third sub-radiator based on the earpiece being in working state and the posture or handheld indication signal of the electronic device.

8. The electronic device according to any one of claims 1 to 3, characterized in that, The electronic device further includes a controller, which is electrically connected to the antenna switch module; The controller is used to control the antenna switch module to connect the radio frequency transmission channel to the first radiator or the at least one second radiator during the satellite service interaction phase, based on the received signal strength or the transmitted signal strength.

9. The electronic device as claimed in claim 8, characterized in that, The controller is used to control the antenna switch module to switch the conduction state according to a preset rule when the received signal strength is less than a second strength threshold; or... The controller is used to control the antenna switch module to switch the conduction state according to a preset rule when the transmitted signal strength is less than a first strength threshold; or... The controller is used to control the antenna switch module to switch the conduction state according to the preset rule at a preset period, and to determine whether to conduct the radio frequency transmission channel and the first radiator or the at least one second radiator according to the signal strength. The preset rules include the proportions of the upper hemispheres of the first radiator, the second radiator located on the first side frame, the second radiator located on the second side frame, and the second radiator located on the back cover; or, The preset rules include the main radiation orientation of the first radiator, the second radiator located on the first side frame, the second radiator located on the second side frame, and the second radiator located on the back cover.

10. The electronic device according to any one of claims 1 to 3, 5 to 7, and 9, characterized in that, The electronic device further includes a controller, which is electrically connected to the antenna switch module; The controller is used to control the antenna switch module to connect the radio frequency receiving channel to the first radiator or the at least one second radiator during the satellite service interaction phase, based on at least one of the service type, user selection mode, and the attitude of the electronic device.

11. The electronic device as claimed in claim 10, characterized in that, The controller is used to determine, when the user selects the hands-free mode during the satellite service interaction phase, to control the antenna switch module to connect the radio frequency receiving channel to the first radiator; And / or, The controller is used to determine, when the user selects the earpiece mode during the satellite service interaction phase, to control the antenna switch module to connect the radio frequency receiving channel to the at least one second radiator.

12. The electronic device as claimed in claim 10, characterized in that, The electronic device also includes a handset, and the controller is electrically connected to the handset; The at least one second radiator includes a first sub-radiator and a second sub-radiator. The first sub-radiator is disposed on the first side frame, and the second sub-radiator is disposed on the second side frame. Both the first sub-radiator and the second sub-radiator are electrically connected to the antenna switch module. The controller is used to control the antenna switch module to connect the radio frequency receiving channel to the first sub-radiator or the second sub-radiator based on the earpiece being in working state and the posture or hand gesture indication signal of the electronic device.

13. The electronic device as claimed in claim 12, characterized in that, The at least one second radiator further includes a third sub-radiator, which is disposed on the rear cover. The controller is used to control the antenna switch module to connect the radio frequency receiving channel to the first sub-radiator, the second sub-radiator, or the third sub-radiator based on the earpiece being in working state and the posture or handheld indication signal of the electronic device.

14. The electronic device as described in any one of claims 1 to 3, 5 to 7, and 9, characterized in that, The electronic device further includes a controller, which is electrically connected to the antenna switch module; The controller is used to control the antenna switch module to connect the radio frequency receiving channel to the first radiator or the at least one second radiator according to the received signal strength during the satellite service interaction phase.

15. The electronic device as claimed in claim 14, characterized in that, The controller is used to control the antenna switch module to switch the conduction state according to a preset rule when the received signal strength is less than a second strength threshold; or... The controller is used to control the antenna switch module to switch the conduction state according to a preset rule, and to determine the target conduction state of the antenna switch module based on the signal strength of the radio frequency receiving channel and the first radiator or the at least one second radiator. The controller is used to control the antenna switch module to switch the conduction state according to the preset rule at a preset period, and to determine whether to conduct the radio frequency receiving channel with the first radiator or the at least one second radiator according to the signal strength. The preset rules include the proportion of the upper hemisphere of the first radiator, the second radiator located on the first side frame, the second radiator located on the second side frame, and the second radiator located on the back cover. or, The preset rules include the main radiation orientation of the first radiator, the second radiator located on the first side frame, the second radiator located on the second side frame, and the second radiator located on the back cover.

16. The electronic device according to any one of claims 1 to 3, 5 to 7, and 9, characterized in that, The electronic device further includes a controller electrically connected to the antenna switch module; the number of the second radiators is multiple, and the at least one radio frequency receiving channel includes a first receiving channel and a second receiving channel, the first receiving channel is electrically connected to the first radiator, the second receiving channel is electrically connected to the antenna switch module, and the antenna switch module is used to connect the second receiving channel to one of the second radiators; or, The radio frequency receiving channels are multiple, and the controller is used to control the antenna switching module to turn on each of the radio frequency receiving channels.

17. The electronic device as claimed in claim 16, characterized in that, The antenna switch module further includes a first switch unit, a first device, and a second device. The first switch unit is electrically connected to the radio frequency transmitting channel. One side of the first device is electrically connected to the first receiving channel and the first switch unit, and the other side of the first device is electrically connected to the first radiator. One side of the second device is electrically connected to the second receiving channel and the first switch unit, and the other side of the second device is electrically connected to the second radiator. The first device includes a switch unit or a combiner; the second device includes a switch unit or a combiner.