WO2022022218A1 - Procédé pour contrôler une compensation radiofréquence, dispositif électronique et support de stockage - Google Patents

Procédé pour contrôler une compensation radiofréquence, dispositif électronique et support de stockage Download PDF

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Publication number
WO2022022218A1
WO2022022218A1 PCT/CN2021/104014 CN2021104014W WO2022022218A1 WO 2022022218 A1 WO2022022218 A1 WO 2022022218A1 CN 2021104014 W CN2021104014 W CN 2021104014W WO 2022022218 A1 WO2022022218 A1 WO 2022022218A1
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WIPO (PCT)
Prior art keywords
radio frequency
frequency circuit
circuit
communication device
connection state
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PCT/CN2021/104014
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English (en)
Chinese (zh)
Inventor
李远勇
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中兴通讯股份有限公司
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Publication of WO2022022218A1 publication Critical patent/WO2022022218A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/401—Circuits for selecting or indicating operating mode

Definitions

  • the embodiments of the present application relate to, but are not limited to, the field of communications, and specifically relate to, but are not limited to, a radio frequency compensation control method, a communication device, and a storage medium.
  • communication devices work with the same radio frequency transceiver performance in any scenario, which easily leads to the difficulty of the radio frequency transceiver performance meeting the requirements of the scene where the communication device is located.
  • the radio frequency compensation control method, the communication device, and the storage medium provided by the embodiments of the present application solve the following technical problems at least to a certain extent: the communication device works with the same radio frequency transceiver performance in each scenario, which makes it difficult for the radio frequency transceiver performance to conform to the location where the communication device is located. scene requirements.
  • an embodiment of the present application provides a radio frequency compensation control method, which includes: determining a current connection state of a radio frequency circuit of a communication device, the radio frequency circuit includes a main radio frequency circuit and an antenna matching circuit, and the connection state is between the main radio frequency circuit and the antenna matching circuit.
  • the connection state of the communication device is carried out according to the connection state, and the radio frequency compensation includes at least one of power compensation and matching compensation.
  • An embodiment of the present application also provides a communication device, the communication device includes a processor, a memory, and a communication bus; the communication bus is configured to implement connection communication between the processor and the memory; the processor is configured to execute one or more stored in the memory or A plurality of programs to realize the following steps: determine the current connection state of the radio frequency circuit of the communication equipment, the radio frequency circuit includes the main radio frequency circuit and the antenna matching circuit, and the connection state is the connection state between the main radio frequency circuit and the antenna matching circuit; The device performs radio frequency compensation, and the radio frequency compensation includes at least one of power compensation and matching compensation.
  • An embodiment of the present application further provides a communication device, the communication device includes: a state determination unit configured to determine a current connection state of a radio frequency circuit of the communication device, the radio frequency circuit includes a main radio frequency circuit and an antenna matching circuit, and the connection state of the main radio frequency circuit and the The connection state between the antenna matching circuits; the compensation control unit is configured to perform radio frequency compensation on the communication device according to the connection state, and the radio frequency compensation includes at least one of power compensation and matching compensation.
  • An embodiment of the present application further provides a storage medium, where a radio frequency compensation control program is stored in the storage medium, and the radio frequency compensation control program can be executed by one or more processors to implement the steps of the above-mentioned radio frequency compensation control method.
  • FIG. 2 is a schematic diagram of the radio frequency circuit shown in Embodiment 1 of the application being in a connected state;
  • FIG. 3 is a schematic diagram of the radio frequency circuit shown in Embodiment 1 of the present application in a disconnected state;
  • FIG. 4 is a schematic diagram of the principle of detecting the connection state of a radio frequency circuit by a detection circuit provided in Embodiment 1 of the present application;
  • FIG. 5 is a schematic diagram of the principle of detecting the connection state of the radio frequency circuit by another detection circuit provided in the first embodiment of the application;
  • FIG. 6 is a schematic structural diagram of a communication device provided in Embodiment 2 of the present application.
  • FIG. 7 is a schematic diagram of the principle of detecting the connection state of a radio frequency circuit by a detection circuit provided in Embodiment 2 of the present application;
  • FIG. 8 is a schematic diagram of the principle of detecting the connection state of the radio frequency circuit by another detection circuit provided in the second embodiment of the present application.
  • FIG. 9 is a schematic diagram of the hardware structure of another communication device provided in Embodiment 2 of the present application.
  • FIG. 10 is a schematic diagram of a hardware structure of another communication device provided in Embodiment 2 of the present application.
  • the radio frequency circuit of communication equipment is usually divided into two parts, one part is the main radio frequency circuit, and the other part is the antenna matching circuit.
  • the main RF circuit and the antenna matching circuit are connected through a RF cable, and when the cable connection test is performed on the communication device, the main RF circuit and the antenna matching circuit are connected.
  • the connection between the main RF circuit is disconnected, the input terminal of the main RF circuit is connected to its output terminal, and the output terminal is connected to an external instrument.
  • the communication device works with the same radio frequency transceiver performance in these two scenarios, which makes it difficult for the radio frequency transceiver performance to meet the requirements of the scene where the communication device is located.
  • this embodiment provides a radio frequency compensation control method, Please refer to a flowchart of the radio frequency compensation control method shown in FIG. 1:
  • S102 Determine the current connection state of the radio frequency circuit of the communication device.
  • the radio frequency circuit includes a main radio frequency circuit and an antenna matching circuit, wherein the main radio frequency circuit is generally arranged on one side of the mainboard of the communication device, and the antenna matching circuit is arranged at one side of the communication device daughter board.
  • the main board and the daughter board are two independent boards.
  • the so-called main board refers to the board where the main components of the communication equipment are located.
  • the board where the communication equipment processor is located is the main board.
  • a daughter board is a board used in a communication device to deploy a device that implements a certain function.
  • the connection state of the radio frequency circuit refers to the connection state between the main radio frequency circuit and the antenna matching circuit, including a connected state and a disconnected state:
  • the main radio frequency circuit 21 is connected to the antenna matching circuit 22 .
  • the first terminal C of the main radio frequency circuit 21 is connected to the second terminal B of the antenna matching circuit 22
  • the ground terminal G of the main radio frequency circuit 21 is connected to the ground terminal G of the antenna matching circuit 22 .
  • FIG. 2 is not the specific structure of the main radio frequency circuit and the antenna matching circuit, but only a schematic diagram of the general connection between the main radio frequency circuit and each end of the antenna matching circuit. Therefore, in fact, the connection between the first end C of the main radio frequency circuit 21 and the second end B of the antenna matching circuit 22 is not directly connected, and other devices are also included between them.
  • FIG. 3 shows a schematic diagram of the connection between the main radio frequency circuit 21 and each end of the antenna matching circuit 22 when the radio frequency circuit is in the disconnected state. It can be seen from FIG. 3 that in the disconnected state, the first end of the main radio frequency circuit 21 The connection between C and the second end A of the antenna matching circuit 22 is in a disconnected state, and at the same time, the first end C and the third end A in the main radio frequency circuit 21 are connected. Usually, the third terminal A is also connected with an external test instrument.
  • the connection state of the radio frequency circuit of the communication device may be determined based on the input of the user or the tester to the communication device. For example, after the tester controls the radio frequency circuit of the communication device to be in the disconnected state, it can be The input information informs the communication device that its radio frequency circuit is currently disconnected. Alternatively, after the user controls the radio frequency circuit of the communication device to be in the connected state, he can inform the communication device that the radio frequency circuit of the communication device is currently in the connected state by inputting information. In this case, the communication device may determine the current connection state of the radio frequency circuit based on the input information.
  • the communication device may determine the current connection state of the radio frequency circuit through the detection circuit.
  • the detection circuit includes a detection point T, a pull-up resistor R, a DC blocking device and a DC pass device.
  • the DC blocking device is configured to block the passage of DC, so as to prevent the DC in the radio frequency detection circuit from affecting the peripheral devices of the radio frequency circuit 40 .
  • the so-called “external neighbor device” refers to a device in the communication equipment that is connected to the radio frequency circuit 40 and realizes the radio frequency transceiver function together with the radio frequency circuit 40. It can be understood that, under normal circumstances, one end of the radio frequency circuit 40 will be connected to the radio frequency of the communication equipment. The transceiver is connected, and the other end is connected to the antenna. The three together realize the radio frequency transceiver function of the communication device. Therefore, in this case, the antenna and the radio frequency transceiver can be called two peripheral devices of the radio frequency circuit 40 .
  • the pass-through device allows DC to pass through without affecting the RF signal.
  • the DC blocking device includes a first DC blocking device 411 and a second DC blocking device 412
  • the pass-through device includes a first pass-through device 421 and a second pass-through device 422.
  • the first terminal of the pull-up resistor R is connected to the power supply terminal VCC, the second terminal is connected to the first terminal a of the radio frequency circuit 40 , and the second terminal b of the radio frequency circuit 40 is connected to the ground terminal GND through the first pass-through device 421 .
  • the detection point T is connected to the first end of the radio frequency circuit 40 through the second pass-through device 422, one end of the first direct-blocking device 411 is connected to the first end a of the radio frequency circuit 40, and the other end is used as the first outer adjacent device connection end L1 , used to connect with the first external device.
  • One end of the second DC blocking device 412 is connected to the second end b of the radio frequency circuit 40 , and the other end is used as the second outer adjacent device connection end L2 for connecting to the second outer adjacent device.
  • one of the first outer neighboring device and the second outer neighboring device is an antenna, and the other is a radio frequency transceiver.
  • the detection point T detects the first level, it is determined that the radio frequency circuit is currently in a connected state; if the detection point T detects the second level, it is determined that the radio frequency circuit is currently in a disconnected state, and the second power The level is higher than the first level, so when the radio frequency circuit is currently connected, the detection point T will detect a low level, and when the radio frequency circuit is currently in a disconnected state, the detection point T will detect a high level:
  • the first direct isolation device 411 due to the function of the first direct isolation device 411 , the first end a of the second pass through device 422 and the connection end L1 of the first outer adjacent device are in an “open circuit” state.
  • the connection between the second end b of the radio frequency circuit 40 and the connecting end L2 of the second outer adjacent device is also in an “open circuit” state.
  • the detection point T can be connected to the power supply terminal VCC through the second pass-through device 422 and the pull-up resistor R on the one hand, and the other
  • the second pass-through device 422 , the radio frequency circuit 40 and the first pass-through device 421 can be connected to the ground terminal GND. Since the pass-through device is connected to the direct current path, the voltage of the detection point T in this case is basically equal to the voltage of the ground terminal, which is a low level.
  • the detection point T can only be connected to the power supply terminal VCC through the second pass-through device 422 and the pull-up resistor R. At this time, the electrode of the detection point T is connected to the power supply terminal VCC. It is basically equal to the voltage of the power supply terminal VCC, which belongs to the high level.
  • the detection circuit can determine the current connection state between the main radio frequency circuit and the antenna matching circuit in the radio frequency circuit 40 by determining the voltage of the detection point T, that is, the current connection state of the radio frequency circuit.
  • the output signal of the detection circuit will be input into the processor of the communication device, so that the processor can determine the current connection state of the radio frequency circuit 40 according to the output signal of the detection circuit.
  • radio frequency circuit 40 in FIG. 4 is in a connected state, this does not mean that the radio frequency circuit 40 can only be in a connected state. In some other scenarios, both ends a and b may also be in a connected state. is disconnected.
  • the detection circuit further includes a third DC blocking device. Please refer to the schematic schematic diagram of another detection circuit for detecting the connection state of the radio frequency circuit shown in FIG. 5 :
  • the DC blocking device in addition to the first DC blocking device 411 and the second DC blocking device 412 , the DC blocking device also includes a third DC blocking device 413 , and the third DC blocking device 413 can absorb radiation from the antenna or from the radio frequency transceiver. radio frequency signal.
  • One end of the third DC blocking device 413 is connected to the detection point T, and the other end is connected to the ground terminal GND.
  • the DC blocking device may include a capacitive device or a high-resistance device, and in some examples, the first DC blocking device 411 , the second DC blocking device 412 , and the third DC blocking device 413 may all be capacitors devices, or both are high-resistance devices. In other examples of this embodiment, some of the first DC blocking device 411 , the second DC blocking device 412 , and the third DC blocking device 413 may be capacitive devices, and the other parts may be high-resistance devices.
  • the pass-through device may be an inductor.
  • the first pass-through device 421 and the second pass-through device 422 are both radio frequency choke coils (Radio Frequency Choke Coils). , RFC).
  • radio frequency circuit 50 in FIG. 5 is in a disconnected state at both ends a and b, this does not mean that the radio frequency circuit 50 can only be in a disconnected state. It may also be in the open state.
  • S104 Perform radio frequency compensation on the communication device according to the connection state.
  • radio frequency compensation may be performed according to the radio frequency connection state, and different connection states may correspond to different radio frequency compensations.
  • the radio frequency compensation includes at least one of power compensation and matching compensation.
  • the matching compensation refers to setting a matching circuit for the radio frequency circuit, or connecting the radio frequency circuit with the matching circuit.
  • the so-called matching circuit is an impedance matching circuit.
  • the state of the radio frequency circuit does not affect the selection of the matching circuit of the communication device, but when the radio frequency circuit is in the connected state, the communication device can use the first power compensation strategy to perform transmit power compensation, and when it is determined that the radio frequency circuit is in In the disconnected state, the communication device can use the second power compensation strategy to perform transmit power compensation.
  • the first power compensation strategy is different from the second power compensation strategy.
  • the power compensated under the first power compensation strategy It may be higher than the power compensated under the second power compensation strategy, and in some other examples, the power compensated under the first power compensation strategy may also be lower than the power compensated under the second power compensation strategy.
  • the state of the radio frequency circuit will not affect the selection of the power compensation strategy of the communication device, but the state of the radio frequency circuit will affect the matching compensation strategy of the communication device.
  • the communication device when the radio frequency circuit is in the connected state When , the communication device may be connected to the first matching circuit, and when it is determined that the radio frequency circuit is in the disconnected state, the communication device may be connected to the second matching circuit, the first matching circuit being different from the second matching circuit.
  • the state of the radio frequency circuit is different, so the compensation strategy of the transmit power and the selection of the matching circuit are different.
  • radio frequency compensation control method provided by the embodiment of the present application, different radio frequency compensations can be performed based on the different connection states of the radio frequency circuit, so that the communication device has different radio frequency transmission and reception performance in different working scenarios, and ensures that the radio frequency transmission and reception performance of the communication device conforms to the the requirements of the work situation in which it operates.
  • the communication device can determine the level at the detection point through a simple detection circuit, so as to identify the current state of the radio frequency connection circuit based on the level at the detection point, and can The identification of the connection state of the radio frequency circuit is completed on the basis of not significantly increasing the cost of the communication device and the burden on the tester or the user of the communication device, which is beneficial to improve the user experience of the communication device.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • This embodiment provides a communication device, please refer to a schematic structural diagram of the communication device shown in FIG. 6 :
  • the communication device 60 includes: a state determination unit 602 and a compensation control unit 604, wherein the state determination unit 602 is configured to determine the current connection state of the radio frequency circuit of the communication device, the radio frequency circuit includes a main radio frequency circuit and an antenna matching circuit, and the connection state is the main radio frequency The connection state between the circuit and the antenna matching circuit; and the compensation control unit 604 is configured to perform radio frequency compensation on the communication device according to the connection state, where the radio frequency compensation includes at least one of power compensation and matching compensation.
  • the state determination unit 602 includes a detection circuit configured to detect the current connection state of the radio frequency circuit in the communication device.
  • the detection circuit includes a detection point T, a pull-up resistor R, a blocking device and a pass-through device.
  • the DC blocking device is configured to block the passage of DC, so as to prevent the DC in the radio frequency detection circuit from affecting the peripheral devices of the radio frequency circuit 40 .
  • the so-called “external neighbor device” refers to a device in the communication equipment that is connected to the radio frequency circuit 40 and realizes the radio frequency transceiver function together with the radio frequency circuit 40. It can be understood that, under normal circumstances, one end of the radio frequency circuit 40 will be connected to the radio frequency of the communication equipment. The transceiver is connected, and the other end is connected to the antenna, and the three together realize the radio frequency transceiver function of the communication device. Therefore, the antenna and the radio frequency transceiver are two external components of the radio frequency circuit 40 .
  • the pass-through device allows DC to pass through without affecting the RF signal.
  • the DC blocking device includes a first DC blocking device 411 and a second DC blocking device 412
  • the pass-through device includes a first pass-through device 421 and a second pass-through device 422.
  • the first end of the pull-up resistor R is connected to the power supply end VCC, the second end is connected to the first end of the radio frequency circuit 40 , and the second end of the radio frequency circuit 40 is connected to the ground end GND through the first pass-through device 421 .
  • the detection point T is connected to the first end of the radio frequency circuit 40 through the second pass-through device 422, one end of the first direct-blocking device 411 is connected to the first end of the radio frequency circuit 40, and the other end is used as the first outer adjacent device connection end L1, Used to connect with the first external device.
  • One end of the second DC blocking device 412 is connected to the second end of the radio frequency circuit 40 , and the other end is used as the second outer adjacent device connection end L2 for connecting to the second outer adjacent device.
  • one of the first outer neighboring device and the second outer neighboring device is an antenna, and the other is a radio frequency transceiver.
  • the first direct isolation device 411 due to the function of the first direct isolation device 411 , the first end of the second pass through device 422 and the connection end L1 of the first outer adjacent device are in an “open circuit” state.
  • the second DC blocking device 412 under the action of the second DC blocking device 412 , the connection between the second end of the radio frequency circuit 40 and the connecting end L2 of the second outer adjacent device is also in an “open circuit” state.
  • the detection point T can be connected to the power supply terminal VCC through the second pass-through device 422 and the pull-up resistor R on the one hand, and the other
  • the second pass-through device 422 , the radio frequency circuit 40 and the first pass-through device 421 can be connected to the ground terminal. Since the pass-through device is connected to the direct current path, the voltage of the detection point T in this case is basically equal to the voltage of the ground terminal, which is a low level.
  • the detection point T can only be connected to the power supply terminal VCC through the second pass-through device 422 and the pull-up resistor R. At this time, the electrode of the detection point T is connected to the power supply terminal VCC. It is basically equal to the voltage of the power supply terminal VCC, which belongs to the high level.
  • the detection circuit can determine the current connection state between the main radio frequency circuit and the antenna matching circuit in the radio frequency circuit 40 by determining the voltage of the detection point T, that is, the current connection state of the radio frequency circuit.
  • the output signal of the detection circuit will be input into the processor of the communication device, so that the processor can determine the current connection state of the radio frequency circuit 40 according to the output signal of the detection circuit.
  • the detection circuit further includes a third DC blocking device.
  • the DC blocking device includes the first DC blocking device 411 and the second DC blocking device 412 , and also includes a third DC blocking device.
  • the straight device 413, one end of the third direct blocking device 413 is connected to the detection point T, and the other end is connected to the ground terminal GND.
  • the DC blocking device may include a capacitive device or a high-resistance device, and in some examples, the first DC blocking device 411 , the second DC blocking device 412 , and the third DC blocking device 413 may all be capacitors devices, or both are high-resistance devices. In other examples of this embodiment, some of the first DC blocking device 411 , the second DC blocking device 412 , and the third DC blocking device 413 may be capacitive devices, and the other parts may be high-resistance devices.
  • the pass-through device may be an inductor.
  • the first pass-through device 421 and the second pass-through device 422 are both radio frequency choke coils.
  • the detection circuit includes a detection point T, a pull-up resistor R0, a DC blocking device (the first DC blocking device C1, the second blocking device C1, the second blocking device The straight device C2 and the third blocking device C3), the straight device (the first radio frequency choke coil RFC1 and the first radio frequency choke coil RFC2).
  • the first terminal of the pull-up resistor R0 is connected to the power supply terminal VCC, the second terminal is connected to the first terminal a of the radio frequency circuit 70, and the second terminal b of the radio frequency circuit 70 is connected to the ground terminal GND through the first radio frequency choke coil RFC1.
  • the detection point T is connected to the first end a of the radio frequency circuit 70 through the second radio frequency choke coil RFC2, one end of the first DC blocking device C1 is connected to the first end a of the radio frequency circuit 70, and the other end is used as the antenna connection end L1. to connect with the antenna.
  • One end of the second DC blocking device C2 is connected to the second end b of the radio frequency circuit 70 , and the other end is used as a transceiver connection end L2 for connecting to the radio frequency transceiver.
  • the detection point T can be connected to the power supply terminal VCC through the second RF choke coil RFC2 and the pull-up resistor R on the one hand, and can be connected to the power supply terminal VCC through the second RF choke coil RFC2 and the pull-up resistor R on the one hand.
  • the radio frequency choke coil RFC2, the radio frequency circuit 70 and the first radio frequency choke coil RFC1 are connected to the ground terminal. Since the pass-through device is connected to the direct current path, the voltage of the detection point T in this case is basically equal to the voltage of the ground terminal, which is a low level.
  • the detection point T can only be connected to the power supply terminal VCC through the second radio frequency choke coil RFC2 and the pull-up resistor R.
  • the electrode is basically equal to the voltage of the power supply terminal VCC and belongs to a high level.
  • radio frequency circuit 70 in FIG. 7 is in a connected state at both ends a and b, this does not mean that the radio frequency circuit 70 can only be in a connected state. is disconnected.
  • the detection circuit includes a detection point T, a pull-up resistor R0, a DC blocking device (the first DC blocking device C1, the second blocking device C1, the second blocking device The straight device C2 and the third blocking device C3), the straight device (the first radio frequency choke coil RFC1 and the first radio frequency choke coil RFC2).
  • the first terminal of the pull-up resistor R0 is connected to the power supply terminal VCC, the second terminal is connected to the first terminal a of the radio frequency circuit 80, and the second terminal b of the radio frequency circuit 80 is connected to the ground terminal GND through the first radio frequency choke coil RFC1.
  • the detection point T is connected to the first end a of the radio frequency circuit 80 through the second radio frequency choke coil RFC2, one end of the first DC blocking device C1 is connected to the first end a of the radio frequency circuit 80, and the other end is used as the transceiver connection end L2, For connection to RF transceivers.
  • One end of the second DC blocking device C2 is connected to the second end b of the radio frequency circuit 80 , and the other end is used as the antenna connection end L1 for connecting to the antenna.
  • the detection point T can be connected to the power supply terminal VCC through the second RF choke coil RFC2 and the pull-up resistor R on the one hand, and can be connected to the power supply terminal VCC through the second RF choke coil RFC2 and the pull-up resistor R on the one hand.
  • the radio frequency choke coil RFC2, the radio frequency circuit 80 and the first radio frequency choke coil RFC1 are connected to the ground terminal. Since the pass-through device is connected to the direct current path, the voltage of the detection point T in this case is basically equal to the voltage of the ground terminal, which is a low level.
  • the detection point T can only be connected to the power supply terminal VCC through the second RF choke coil RFC2 and the pull-up resistor R. At this time, the detection point T is connected to the power supply terminal VCC.
  • the electrode is basically equal to the voltage of the power supply terminal VCC and belongs to a high level.
  • the detection circuit can determine the current connection state between the main radio frequency circuit and the antenna matching circuit in the radio frequency circuit by determining the voltage level of the detection point T, that is, the current connection state of the radio frequency circuit.
  • the output signal of the detection circuit will be input into the processor of the communication device, and the processor may determine the current connection state of the radio frequency circuit according to the output signal of the detection circuit.
  • radio frequency circuit 80 in FIG. 8 is in a disconnected state at both ends a and b, this does not mean that the radio frequency circuit 80 can only be in a disconnected state. It may also be in the open state.
  • the communication device 90 includes a processor 91 , a memory 92 , and a communication bus 93 configured to connect the processor 91 and the memory 92 . It can be understood that the communication device 90 may also include other components not shown, such as radio frequency circuits, cameras, display screens, and the like.
  • the memory 92 may be the aforementioned storage medium storing the radio frequency compensation control program.
  • the processor 91 can read the radio frequency compensation control program, compile and execute the process of implementing the radio frequency compensation control method introduced in the foregoing embodiment:
  • the processor 91 determines the current connection state of the radio frequency circuit of the communication device 90, and then performs radio frequency compensation on the communication device according to the connection state.
  • the so-called radio frequency compensation in this embodiment includes at least one of power compensation and matching compensation.
  • the radio frequency circuit includes a main radio frequency circuit and an antenna matching circuit, and the connection state is a connection state between the main radio frequency circuit and the antenna matching circuit.
  • the processor 91 may determine the connection state of the radio frequency circuit based on the input information received at the input unit of the communication device 90. For example, after the tester controls the radio frequency circuit of the communication device to be in the disconnected state, It can input information through the input unit to inform the communication device that its radio frequency circuit is currently in a disconnected state. Alternatively, after the user controls the radio frequency circuit of the communication device to be in the connected state, he can input information through the input unit to inform the communication device that the radio frequency circuit of the communication device is currently in the connected state.
  • the communication device further includes a detection circuit, and the detection circuit is configured to detect the current connection state of the radio frequency circuit in the communication device.
  • the communication device 100 includes a processor 101, a memory 102, and a communication bus 103 configured to connect the processor 101 and the memory 102, in addition to this, the communication device 70 further includes a detection circuit 104, which is communicatively connected to the processor 101, in some examples of this embodiment Among them, the detection circuit 104 can be connected to the processor 101 through the communication bus 103, and can also be connected to the processor 101 through other means.
  • the detection circuit 104 reference may be made to the descriptions in the foregoing examples, and details are not repeated here.
  • the present embodiments also provide a storage medium comprising volatile or non-volatile or non-volatile memory implemented in any method or technology for storage of information, such as computer readable instructions, data structures, computer program modules or other data Volatile, removable or non-removable media.
  • Storage media include but are not limited to RAM (Random Access Memory), ROM (Read-Only Memory, read-only memory), EEPROM (Electrically Erasable Programmable read only memory, electrified Erasable Programmable Read-Only Memory), flash memory or other memory technology, CD-ROM (Compact Disc Read-Only Memory), Digital Versatile Disc (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, magnetic disk storage or other magnetic storage devices, or available with Any other medium that stores the desired information and can be accessed by a computer.
  • RAM Random Access Memory
  • ROM Read-Only Memory
  • read-only memory read-only memory
  • EEPROM Electrical Erasable Programmable Read only memory
  • flash memory or other memory technology
  • CD-ROM Compact Disc Read-Only Memory
  • DVD Digital Versatile Disc
  • the storage medium in this embodiment can be used to store one or more computer programs, and the stored one or more computer programs can be executed by a processor to implement at least one step of the radio frequency compensation control method in the foregoing embodiments.
  • This embodiment also provides a computer program product, including a computer-readable device, on which the computer program shown above is stored.
  • the computer-readable device may include the computer-readable storage medium as described above.
  • the computer readable means may be the aforementioned communication device. It can be understood that the communication device includes but is not limited to at least one of a terminal and a CPE (Customer Premise Equipment).
  • the communication device provided in this embodiment can perform different radio frequency compensation based on different connection states of the radio frequency circuit, so that the communication device has different radio frequency transceiver performance in different working scenarios, and ensures that the radio frequency transceiver performance meets the requirements of the working scenario where the communication device is located .
  • the communication device provided in this embodiment includes a detection circuit, through which the level at the detection point is determined, so that the current state of the radio frequency connection circuit can be identified based on the level at the detection point, and the current state of the radio frequency connection circuit can be identified without significantly increasing
  • the identification of the connection state of the radio frequency circuit is completed on the basis of the cost of the communication equipment and the burden of the tester or the user of the communication equipment, which is beneficial to improve the user experience of the communication equipment.
  • the radio frequency compensation control method, communication device, and storage medium provided by the embodiments of the present application determine the current connection state of the main radio frequency circuit and the antenna matching circuit in the radio frequency circuit of the communication device, and then perform power compensation and matching compensation on the communication device according to the connection state. At least one of them realizes the effect of providing different power compensation and/or matching compensation for the communication device under different connection states of the radio frequency circuit, so that the communication device can have different power compensation under different connection states of the radio frequency circuit.
  • the performance of radio frequency transmission and reception can better meet the needs of the current working scene of the communication equipment, and is conducive to improving the accuracy of the test results of the communication equipment and the user experience of the communication equipment.
  • the functional modules/units in the system, and the device can be implemented as software (which can be implemented by computer program codes executable by a computing device). ), firmware, hardware, and their appropriate combination.
  • the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be composed of several physical components Components execute cooperatively.
  • Some or all physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit .
  • communication media typically embodies computer readable instructions, data structures, computer program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and can include any information delivery, as is well known to those of ordinary skill in the art medium. Therefore, the present application is not limited to any particular combination of hardware and software.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)

Abstract

L'invention concerne un procédé pour contrôler une compensation radiofréquence, un dispositif électronique et un support de stockage. Dans l'invention, un état de connexion courant entre un circuit radiofréquence principal et un circuit d'adaptation d'antenne dans un circuit radiofréquence d'un dispositif de communication est déterminé, puis au moins une compensation de puissance ou une compensation d'adaptation est effectuée sur le dispositif de communication en fonction de l'état de connexion.
PCT/CN2021/104014 2020-07-31 2021-07-01 Procédé pour contrôler une compensation radiofréquence, dispositif électronique et support de stockage WO2022022218A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010762041.X 2020-07-31
CN202010762041.XA CN114095052A (zh) 2020-07-31 2020-07-31 一种射频补偿控制方法、通信设备及存储介质

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WO2022022218A1 true WO2022022218A1 (fr) 2022-02-03

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101232695A (zh) * 2008-02-28 2008-07-30 深圳华为通信技术有限公司 射频电路板及其制造方法
US20090256644A1 (en) * 2008-04-11 2009-10-15 Infineon Technologies Ag Radio frequency communication devices and methods
US20120062305A1 (en) * 2010-09-14 2012-03-15 Sony Ericsson Mobile Communications Ab Antenna Matching System and Device
CN105472082A (zh) * 2014-08-26 2016-04-06 深圳富泰宏精密工业有限公司 辐射杂散辅助测试电路
CN106877889A (zh) * 2017-02-08 2017-06-20 上海与德信息技术有限公司 一种工作状态检测电路及功率调整方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101232695A (zh) * 2008-02-28 2008-07-30 深圳华为通信技术有限公司 射频电路板及其制造方法
US20090256644A1 (en) * 2008-04-11 2009-10-15 Infineon Technologies Ag Radio frequency communication devices and methods
US20120062305A1 (en) * 2010-09-14 2012-03-15 Sony Ericsson Mobile Communications Ab Antenna Matching System and Device
CN105472082A (zh) * 2014-08-26 2016-04-06 深圳富泰宏精密工业有限公司 辐射杂散辅助测试电路
CN106877889A (zh) * 2017-02-08 2017-06-20 上海与德信息技术有限公司 一种工作状态检测电路及功率调整方法

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