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CN-122001400-A - Radio frequency power supply control method, system and terminal equipment

CN122001400ACN 122001400 ACN122001400 ACN 122001400ACN-122001400-A

Abstract

A radio frequency power supply control method, a radio frequency power supply control system and a terminal device comprise the steps of controlling a first power supply to supply power to a first radio frequency front terminal system and a second power supply to supply power to a second radio frequency front terminal system under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, enabling a virtual power supply control module to not work, enabling the first radio frequency front terminal system to process radio frequency signals of a first working frequency point, and controlling the first power supply to supply power to the third radio frequency front terminal system through the virtual power supply control module if the radio frequency signals of the first working frequency point are switched from the first radio frequency front terminal system to the third radio frequency front terminal system under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, or controlling the second power supply to supply power to the third radio frequency front terminal system through the virtual power supply control module. According to the embodiment of the application, the antenna switching task during the two-way radio frequency communication can be completed, and the device cost is reduced.

Inventors

  • LIU LIANG
  • LI ZHENG

Assignees

  • 荣耀终端股份有限公司

Dates

Publication Date
20260508
Application Date
20241108

Claims (11)

  1. 1. The radio frequency power supply control method is characterized in that the terminal equipment comprises a radio frequency front end module, a power supply module and a virtual power supply control module, the radio frequency front end module comprises a first radio frequency front terminal system, a second radio frequency front terminal system and a third radio frequency front terminal system, the power supply module comprises a first power supply and a second power supply, and the method comprises the steps of: Under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, controlling the first power supply to supply power to the first radio frequency front terminal system and controlling the second power supply to supply power to the second radio frequency front terminal system; and under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, if the radio frequency signals of the first working frequency point are switched from the first radio frequency front terminal system to the third radio frequency front terminal system, the virtual power supply control module controls the first power supply to supply power to the third radio frequency front terminal system, or controls the second power supply to supply power to the third radio frequency front terminal system, and the virtual power supply control module controls the first power supply to supply power to the second radio frequency front terminal system.
  2. 2. The method of claim 1, wherein in the case where the first rf front sub-system and the third rf front sub-system are both operating and the third rf front sub-system processes the first operating frequency point rf signal, the method further comprises: and if the first working frequency point radio frequency signal is switched from the third radio frequency front terminal system to the first radio frequency front terminal system, controlling the first power supply to supply power to the first radio frequency front terminal system, controlling the second power supply to supply power to the second radio frequency front terminal system, and enabling the virtual power supply control module not to work.
  3. 3. The method according to claim 1 or 2, wherein the terminal device further comprises a radio frequency transceiver chip; in the case that the first rf front sub-system and the third rf front sub-system both operate, and the first rf front sub-system processes the first operating frequency point rf signal, the method includes: The radio frequency transceiver chip sends a first control instruction to the virtual power supply control module, and the virtual power supply control module forwards the first control instruction to the first power supply; in the case that the first rf front sub-system and the third rf front sub-system both operate, and the third rf front sub-system processes the first operating frequency point rf signal, the method includes: The radio frequency transceiver chip sends a second control instruction to the virtual power supply control module, the second control instruction is used for controlling the virtual power supply control module to supply power to the second radio frequency front terminal system or the third radio frequency front terminal system, the virtual power supply control module modifies the second control instruction into the third control instruction and sends the third control instruction to the first power supply, and the third control instruction is used for controlling the first power supply to supply power to the second radio frequency front terminal system or the third radio frequency front terminal system.
  4. 4. The method of claim 3, wherein the virtual power control module comprises a first switch, a virtual power supply and an instruction processing module, wherein an input end of the virtual power control module is connected with one end of the virtual power supply, a first end of the instruction processing module and a first end of the first switch, an output end of the virtual power control module is connected with a second end of the instruction processing module and a second end of the first switch, an input end of the virtual power control module is connected with a first end of the radio frequency transceiver chip, and an output end of the virtual power control module is connected with the first power supply; In the case that the first radio frequency front terminal system and the second radio frequency front terminal system both work and the first radio frequency front terminal system processes the radio frequency signal of the first working frequency point, the method further comprises the steps of controlling the first switch to be closed; In the case that the first radio frequency front terminal system and the second radio frequency front terminal system both work and the third radio frequency front terminal system processes the radio frequency signal of the first working frequency point, the method further comprises the step of controlling the first switch to be opened.
  5. 5. The method of any of claims 1-4, wherein the third rf front sub-system comprises a second switch having a first end as a first power supply end of the third rf front sub-system, a second end as a second power supply end of the third rf front sub-system, a power supply output end of the first power supply connected to the first power supply ends of the first rf front sub-system and the third rf front sub-system, a power supply output end of the second power supply connected to the second power supply ends of the second rf front sub-system and the third rf front sub-system; in the case that the virtual power supply control module controls the first power supply to supply power to the third radio frequency front terminal system, the method further comprises controlling the second switch to be connected with a power supply output end of the first power supply.
  6. 6. The method of any of claims 1-4, wherein the second rf front terminal system includes a third switch having a first end as a first power supply end of the second rf front terminal system, a second end as a second power supply end of the second rf front terminal system, a power supply output end of the first power supply connected to the first rf front terminal system and the second power supply end of the second rf front terminal system, a power supply output end of the second power supply connected to the first power supply end of the second rf front terminal system and the third rf front terminal system; in the case that the second power supply is controlled to supply power to the third radio frequency front terminal system, and the virtual power supply control module is used for controlling the first power supply to supply power to the second radio frequency front terminal system, the method further comprises the step of controlling the third switch to be connected with a power supply output end of the second power supply.
  7. 7. The method according to any of claims 1-6, characterized in that before the terminal device leaves the factory, the method comprises: The terminal equipment controls the first radio frequency front terminal system and the second radio frequency front terminal system to work, the first radio frequency front terminal system processes the radio frequency signals of the first working frequency point, and then the first power supply and the second power supply are calibrated; the terminal equipment controls the first radio frequency front terminal system and the second radio frequency front terminal system to work, the third radio frequency front terminal system processes the radio frequency signals of the first working frequency point, and then the virtual power supply is calibrated by calibrating the first power supply.
  8. 8. The terminal equipment is characterized by comprising a radio frequency front end module, a power supply module and a virtual power supply control module, wherein the radio frequency front end module comprises a first radio frequency front terminal system, a second radio frequency front terminal system and a third radio frequency front terminal system; A first control signal is input into the first power supply under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, and the first power supply supplies power to the first radio frequency front terminal system based on the first control signal; the virtual power supply control module does not work, and the first radio frequency front terminal system processes a radio frequency signal of a first working frequency point; And under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, if the radio frequency signals of the first working frequency point are switched from the first radio frequency front terminal system to the third radio frequency front terminal system, the virtual power supply control module outputs a third control signal to the first power supply, the first power supply supplies power to the third radio frequency front terminal system based on the third control signal, or a fourth control signal is input to the second power supply, the second power supply supplies power to the third radio frequency front terminal system based on the fourth control signal, the virtual power supply control module outputs a fifth control signal to the first power supply, and the first power supply supplies power to the third radio frequency front terminal system based on the fifth control signal.
  9. 9. The radio frequency power supply control system is characterized by comprising a radio frequency front end module, a power supply module and a virtual power supply control module, wherein the radio frequency front end module comprises a first radio frequency front terminal system, a second radio frequency front terminal system and a third radio frequency front terminal system, the power supply module comprises a first power supply and a second power supply, and the virtual power supply control module is connected with the first power supply, and the method comprises the following steps: Under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, the first power supply supplies power to the first radio frequency front terminal system, and the second power supply supplies power to the second radio frequency front terminal system; And under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, if the radio frequency signal of the first working frequency point is switched from the first radio frequency front terminal system to the third radio frequency front terminal system, the virtual power supply control module is used for controlling the first power supply to supply power to the third radio frequency front terminal system or the second radio frequency front terminal system.
  10. 10. The radio frequency power control system of claim 9, wherein the virtual power control module for controlling the first power supply to supply power to the third radio frequency front sub-system or to supply power to the second radio frequency front sub-system comprises: The virtual power supply control module is used for controlling the first power supply to supply power to the third radio frequency front terminal system or under the condition that the first power supply is connected with the first radio frequency front terminal system and the third radio frequency front terminal system and the second power supply is connected with the second radio frequency front terminal system and the third radio frequency front terminal system And under the condition that the first power supply is connected with the first radio frequency front terminal system and the second radio frequency front terminal system, and the second power supply is connected with the second radio frequency front terminal system and the third radio frequency front terminal system, the second power supply supplies power to the third radio frequency front terminal system, and the virtual power supply control module is used for controlling the first power supply to supply power to the second radio frequency front terminal system.
  11. 11. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program which, when executed by a processor, implements the method according to any of claims 1-7.

Description

Radio frequency power supply control method, system and terminal equipment Technical Field The present application relates to the field of communications technologies, and in particular, to a method, a system, and a terminal device for controlling a radio frequency power supply. Background The terminal device may generally include two power supplies and a plurality of rf front sub-systems, each of which is powered by a first power supply. Under the condition that the terminal equipment comprises two radio frequency front terminal systems for simultaneous communication, if the radio frequency antenna switching occurs, the radio frequency front end which is newly operated after switching needs to be powered by a third power supply, but the terminal equipment does not have the third power supply for use, so that the switching process of the radio frequency antenna cannot be completed when the two radio frequency front terminal systems are simultaneously operated. If the radio frequency antenna needs to be switched when the two radio frequency front sub-systems work simultaneously, a power supply needs to be added to supply power, the device cost is increased, and the integrated space of the radio frequency chip is occupied. Disclosure of Invention The embodiment of the application discloses a radio frequency power supply control method, a radio frequency power supply control system and terminal equipment, which can be used for executing an antenna switching task when two paths of radio frequency communication are completed, and meanwhile, the device cost is reduced. The application provides a radio frequency power supply control method which is applied to terminal equipment, wherein the terminal equipment comprises a radio frequency front end module, a power supply module and a virtual power supply control module, the radio frequency front end module comprises a first radio frequency front terminal system, a second radio frequency front terminal system and a third radio frequency front terminal system, the power supply module comprises a first power supply and a second power supply, the method comprises the steps of controlling the first power supply to supply power to the first radio frequency front terminal system when the first radio frequency front terminal system and the second radio frequency front terminal system work, controlling the second power supply to supply power to the second radio frequency front terminal system, enabling the virtual power supply control module to not work, enabling the first radio frequency front terminal system to process radio frequency signals of a first working frequency point, and controlling the first power supply to supply power to the first radio frequency front terminal system or controlling the second radio frequency front terminal system through the virtual power supply module when the first radio frequency front terminal system and the second radio frequency front terminal system work, and if the radio frequency signals of the first working point are switched to the third radio frequency front terminal system. The first rf front terminal system and the second rf front terminal system of the terminal device both work, that is, the terminal device in fig. 4 and fig. 6 is in the second working state. The first radio frequency front terminal system and the third radio frequency front terminal system both have the capability of processing radio frequency signals of the first working frequency point. In the embodiment of the application, under the condition that the first radio frequency front terminal system and the second radio frequency front terminal system work, if the switching of the radio frequency antenna occurs, the virtual power supply module is required to be invoked to control the first power supply to supply power to the radio frequency front terminal system in a working state after the switching. A front sub-system at radio frequency. Therefore, a new power supply device is not required to be added, the antenna switching process during the simultaneous operation of the double radio frequency channels is completed, and the device cost and the chip integration space are reduced. In a possible implementation manner, in the case that the first radio frequency front terminal system and the second radio frequency front terminal system are both operated and the third radio frequency front terminal system processes the radio frequency signal of the first operating frequency point, the method further comprises controlling the first power supply to supply power to the first radio frequency front terminal system, controlling the second power supply to supply power to the second radio frequency front terminal system, and the virtual power supply control module does not operate if the radio frequency signal of the first operating frequency point is switched from the third radio frequency front terminal system to the first radio frequency front terminal system. Therefor