WO2022001746A1 - Circuit radiofréquence et dispositif électronique - Google Patents

Circuit radiofréquence et dispositif électronique Download PDF

Info

Publication number
WO2022001746A1
WO2022001746A1 PCT/CN2021/101498 CN2021101498W WO2022001746A1 WO 2022001746 A1 WO2022001746 A1 WO 2022001746A1 CN 2021101498 W CN2021101498 W CN 2021101498W WO 2022001746 A1 WO2022001746 A1 WO 2022001746A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
frequency band
radio frequency
port
sub
Prior art date
Application number
PCT/CN2021/101498
Other languages
English (en)
Chinese (zh)
Inventor
韦仁杰
王峰
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2022001746A1 publication Critical patent/WO2022001746A1/fr

Links

Images

Classifications

    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • H04B1/38—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a radio frequency circuit and an electronic device.
  • a radio frequency circuit usually includes multiple antennas, and at the same time, the transmitting signal and the receiving signal can be freely switched among the above-mentioned multiple antennas as required.
  • each frequency band data is pre-configured with a corresponding radio frequency transceiver module, when the radio frequency transceiver module is damaged, it is easy to cause the phenomenon of frequency band data transmission failure. It can be seen that when the radio frequency transceiver module is damaged When the RF transceiver module is damaged, the transmission effect of frequency band data is poor.
  • Embodiments of the present application provide a radio frequency circuit and an electronic device to solve the problem that the transmission effect of frequency band data is poor when the radio frequency transceiver module is damaged.
  • an embodiment of the present application provides a radio frequency circuit, including: a radio frequency transceiver, a first switch module, M radio frequency transceiver modules, a second switch module, and M antennas, where M is a positive integer ;
  • the radio frequency transceiver includes a first frequency band transmit port and a second frequency band transmit port, the first frequency band transmit port is used for transmitting first frequency band data, the second frequency band transmit port is used for transmitting second frequency band data, the The first frequency band transmission port and the second frequency band transmission port are respectively connected to the input end of the first switch module, the output end of the first switch module is connected to the M radio frequency transceiver modules, the M radio frequency transceiver modules are connected to the M antennas through the second switch module;
  • the first switch module is used to control the transmission port of the first frequency band and/or the transmission port of the second frequency band to conduct with different radio frequency transceiver modules
  • the second switch module is used to control different radio frequency transceiver modules.
  • the RF transceiver module is connected to different antennas.
  • an embodiment of the present application provides an electronic device, including: the above-mentioned radio frequency circuit.
  • the first switch module since the first switch module is provided, the first switch module is switched between various states, so that the first frequency band transmission port and the second frequency band transmission port can freely select the corresponding Transceiver module, which enhances the flexibility of data transmission in the first frequency band and the data in the second frequency band, and enables when a certain RF transceiver module is damaged, the data in the first frequency band and the data in the second frequency band can also be transmitted through other RF transceiver modules.
  • the group transmits data, which enhances the stability of the radio frequency circuit.
  • FIG. 1 is a schematic structural diagram of a radio frequency circuit provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a radio frequency transceiver module in a radio frequency circuit provided by an embodiment of the present application;
  • FIG. 3 is a schematic structural diagram of another radio frequency circuit provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of another radio frequency circuit provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a radio frequency circuit provided by an embodiment of the present application.
  • the radio frequency circuit includes: a radio frequency transceiver 10 , a first switch module 20 , and M radio frequency transceiver modules 30 , the second switch module 40 and M antennas 50, where M is a positive integer;
  • the radio frequency transceiver 10 includes a first frequency band transmit port and a second frequency band transmit port, the first frequency band transmit port is used to transmit the first frequency band data, the second frequency band transmit port is used to transmit the second frequency band data, so
  • the first frequency band transmission port and the second frequency band transmission port are respectively connected to the input end of the first switch module 20, and the output end of the first switch module 20 is connected to the M radio frequency transceiver modules 30. connected, the M radio frequency transceiver modules 30 are connected to the M antennas 50 through the second switch module 40;
  • the first switch module 20 is used to control the transmission port of the first frequency band and/or the transmission port of the second frequency band to conduct with different radio frequency transceiver modules 30, and the second switch module 40 is used for For controlling different RF transceiver modules 30 to conduct with different antennas 50 .
  • first frequency band data and the second frequency band data are not limited herein.
  • one of the first frequency band data and the second frequency band data may be N78, and the other may be N79.
  • the first switch module 20 since the type of the first switch module 20 is not limited here, for example, the first switch module 20 may be a double-pole double-throw switch, or a four-pole four-throw switch, or a single-pole double-throw switch. In this way, since the type of the first switch module 20 is not limited, the first switch module 20 can also be switched between different states, so that the first frequency band transmission port and the second frequency band transmission port can be controlled. At least one of them is connected to different RF transceiver modules 30 .
  • the first frequency band transmit port can be controlled to conduct with the first radio frequency transceiver module; when the first switch module 20 is in the second state, the first frequency band can be controlled
  • the transmitting port is connected to the second radio frequency transceiver module, the first radio frequency transceiver module and the second radio frequency transceiver module are different radio frequency transceiver modules, and because the first radio frequency transceiver module and the second radio frequency transceiver module are both Including a power amplifier, in this way, through the switching of different states of the first switch module 20 , the purpose of freely selecting the power amplifier in the radio frequency transceiver module 30 can be achieved by the first radio frequency transceiver module.
  • the first frequency band transmit port can be connected to a radio frequency transceiver module 30 through the first switch module 20, and the radio frequency transceiver module 30 can pass through the second switch mode
  • the group 40 is connected to at least one antenna 50, so that the transmission of the data of the first frequency band is more flexible.
  • the first frequency band transmit port can be controlled to be connected to the first radio frequency transceiver module, and the second frequency band transmit port to be connected to the second radio frequency transceiver module; when When the first switch module 20 is in the fourth state, it can control the transmission port of the first frequency band to be connected to the second radio frequency transceiver module, and the transmission port of the second frequency band to be connected to the first radio frequency transceiver module.
  • the purpose of freely selecting the radio frequency transceiver module 30 for the first frequency band data and the second frequency band data can also be achieved, and at the same time, the purpose of transmitting the first frequency band data and the second frequency band data can also be achieved.
  • the first switch module 20 has various switching states, so that the conduction between the first frequency band transmission port and the second frequency band transmission port and the radio frequency transceiver module 30 is made. There are many possibilities for the state, which will not be illustrated one by one here.
  • the second switch module 40 can also be switched between various states, so as to achieve the purpose of conducting conduction between different RF transceiver modules 30 and different antennas, and the specific switching process is not described here.
  • the switching state of the first switch module 20 please refer to the above description of the switching state of the first switch module 20 .
  • the second switch module 40 can also switch between different states , that is, it can also be understood as: the first switch module 20 switches between various states to control the radio frequency transceiver 10 to communicate with different The radio frequency transceiver module 30 is turned on, and the second switch module 40 switches between various states to control the conduction of different radio frequency transceiver modules 30 and different antennas 50 .
  • the transmission port of the first frequency band or the transmission port of the second frequency band can be controlled to be connected to the target radio frequency transceiver module, and the target radio frequency transceiver module to be connected to the target antenna.
  • the above-mentioned target radio frequency transceiver module and the target antenna can be connected.
  • the radio frequency transceiver 10 includes a first port (equivalent to a first frequency band transmit port) and a second port (equivalent to a second frequency band transmit port), the first port is used for data transmission in the first frequency band, and the second The port is used for data transmission in the second frequency band, the first port and the second port are respectively connected to the input end of the first switch module 20, and the output end of the first switch module 20 is connected to the M
  • Each radio frequency transceiver module 30 is connected, and the M radio frequency transceiver modules 30 are electrically connected with the M antennas 50 through the second switch module 40;
  • the first switch module 20 switches between various states to control the radio frequency transceiver 10 to conduct conduction with different radio frequency transceiver modules 30 through the first port or the second port.
  • the second switch module 40 switches between various states to control the conduction of different RF transceiver modules 30 and different antennas 50 .
  • Each radio frequency transceiver module 30 may include a filter.
  • data in each frequency band is generally transmitted by a fixed radio frequency transceiver module 30.
  • the radio frequency circuit is in the 1T4R mode, Then there is only one frequency band data (for example: N78 or N79) for data transmission through the radio frequency transceiver module 30 corresponding to the frequency band, while other radio frequency transceiver modules 30 are in a non-working state.
  • the radio frequency transceiver module 30 is in the working state for a long time, while the other radio frequency transceiver modules 30 are in the non-working state for a long time, resulting in a large loss of the filter in the above-mentioned radio frequency transceiver module 30 in the working state for a long time, thus As a result, the transmission effect of the radio frequency transceiver module 30 for the frequency band data is poor.
  • the first switch module 20 can control the radio frequency transceiver 10 to conduct conduction with different radio frequency transceiver modules 30 through the first port or the second port, and at the same time through the second switch module 40 can control different radio frequency transceiver modules 30 to conduct with different antennas 50.
  • the first switch module 20 and the second switch module 40 can control the radio frequency transceiver 10 to pass through the first port or the first switch module 40.
  • the two ports are connected to different RF transceiver modules 30 and different antennas 50 , so that the antennas 50 with poor performance can also be switched, thus solving the problem of unbalanced switching of the antennas 50 and enhancing the switching effect of the antennas 50 .
  • the radio frequency circuit in this embodiment can support 1T4R mode and 2T4R mode.
  • a certain frequency band data can include two transmit signals (for example: N78 includes two signals TX1 and TX2), and each signal Each corresponds to a radio frequency transceiver module 30, that is, the power amplifier (power amplifier, PA) in the radio frequency transceiver module 30 corresponding to TX1 can be PA1, and the power amplifier in the radio frequency transceiver module 30 corresponding to TX2 can be referred to as PA2 .
  • the radio frequency transceiver 10 can arbitrarily select PA1 or PA2, and through the second switch module 40, PA1 or PA2 can select Antenna 1 (ANT1) or Antenna 2 (ANT2).
  • the radio frequency circuit in this embodiment can support data transmission in two frequency bands at the same time, for example, in addition to supporting N78 data transmission, it can also support N79 data transmission.
  • N79 reference may be made to the corresponding expression of N78 above, and details are not repeated here.
  • radio frequency transceiver module 30 may refer to the following description:
  • the radio frequency transceiver module 30 includes a first control terminal 31 , a second control terminal 32 , a third control terminal 33 and a controller 34 , the first control terminal 31 and the radio frequency transceiver 10
  • the second control terminal 32 is electrically connected to the first switch module 20
  • the third control terminal 33 is electrically connected to the second switch module 40
  • the controller 34 is respectively connected to the
  • the first control terminal 31, the second control terminal 32 and the third control terminal 33 are electrically connected, and the controller 34 switches between the first target state and the second target state;
  • controller 34 and the third control terminal 33 are electrically connected through a filter 35 .
  • the controller 34 and the first control terminal 31 are electrically connected through a low noise amplifier 36 .
  • the controller 34 and the second control terminal 32 are electrically connected through a power amplifier 37 .
  • the above-mentioned low noise amplifier 36 is used for amplifying the received signal
  • the above-mentioned power amplifier 37 is used for amplifying the transmitted signal.
  • controller 34 may be a single-pole double-throw switch, so that the use cost is low and the control effect is reliable.
  • the M is four, and the four radio frequency transceiver modules 30 include two first frequency band transceiver modules and two second frequency band transceiver modules group, when the first switch module 20 is in the target state, it controls the first frequency band transmit port to connect with at least one first frequency band transceiver module, or controls the second frequency band transmit port to connect with at least one first frequency band transmit port.
  • the two-band transceiver module is turned on.
  • the above-mentioned first frequency band transmission port may refer to a port for transmitting the first frequency band
  • the second frequency band transmission port may refer to a port for transmitting the second frequency band.
  • the above-mentioned first frequency band transmit port may refer to a port for transmitting N78 frequency band
  • the second frequency band transmit port may refer to a port for transmitting N79 frequency band.
  • the first frequency band transmit port may also refer to a port used for transmitting the N79 frequency band
  • the second frequency band transmit port may refer to a port used for transmitting the N78 frequency band, which is not specifically limited here.
  • the first switch module 20 can control the transmission port of the first frequency band to conduct with the at least one transceiver module of the first frequency band, or control the transmission port of the second frequency band to conduct conduction with the at least one transceiver module of the second frequency band, through the first
  • the switch module 20 can control the transmission of the first frequency band or the transmission of the second frequency band, thereby enhancing the flexibility of the transmission of the first frequency band or the second frequency band.
  • the first frequency band transmit port includes a first transmit port and a second transmit port
  • the second frequency band transmit port includes a third transmit port and a fourth transmit port
  • the radio frequency circuit further includes four radio frequency receiving modules 60, and the radio frequency transceiver 10 further includes four first frequency band receiving ports and four second frequency band receiving ports;
  • the first frequency band receiving port includes a first receiving port, a second receiving port, a third receiving port and a fourth receiving port, and the first receiving port and the second receiving port respectively pass through one of the radio frequency receiving modules 60 is connected to the second switch module 40, and the third receiving port and the fourth receiving port are respectively connected to one of the first frequency band transceiver modules;
  • the second frequency band receiving port includes a fifth receiving port, a sixth receiving port, a seventh receiving port and an eighth receiving port, and the fifth receiving port and the sixth receiving port respectively pass through one of the radio frequency receiving modules 60 is connected to the second switch module 40, and the seventh receiving port and the eighth receiving port are respectively connected to one of the second frequency band transceiver modules.
  • the four antennas 50 are respectively connected to the four receiving ports of the first frequency band, the first transmitting port (for example, the transmit signal TX1 of N78 can be transmitted) and the second transmit port (for example, the transmit signal of N78 can be transmitted)
  • the transmission signal TX2 is respectively connected to one of the first frequency band transceiver modules, 2T4R of the first frequency band data is completed;
  • the four antennas 50 are respectively connected to the four receiving ports of the second frequency band, the third transmitting port (for example, the transmit signal TX1 of N79 can be transmitted) and the fourth transmit port (for example, the transmit signal of N79 can be transmitted)
  • the transmission signal TX2 is respectively connected to one of the second frequency band transceiver modules, the 2T4R of the second frequency band data is completed;
  • the first frequency band is completed when the four first frequency band receiving ports are respectively connected to four of the antennas 50, and the first transmitting port or the second transmitting port is connected to one first frequency band transceiver module. 1T4R of data;
  • the second frequency band is completed. 1T4R of data.
  • the radio frequency receiving module 60 may also be referred to as an RX module, and the above-mentioned radio frequency receiving module 60 is only used for receiving signals and cannot be used for transmitting signals, while the radio frequency transceiver module 30 can transmit signals and also receive signals.
  • the number of the radio frequency receiving modules 60 can be four, and the number of the radio frequency transceiver modules 30 can also be four, so that the downlink 4*4 multiple input multiple output (MIMO) function can be realized.
  • two adjacent radio frequency receiving modules 60 can also be connected through a combiner 61 , so that the number of layouts of the antennas 50 and the number of combiners 61 can be reduced. Thereby, the use cost of the radio frequency circuit is further reduced.
  • the first frequency band receiving port includes the first receiving port, the second receiving port, the third receiving port and the fourth receiving port
  • the second frequency band receiving port includes the fifth receiving port, the sixth receiving port, the seventh receiving port
  • the receiving port and the eighth receiving port in this way, through the above principle, 2T4R of the first frequency band data or the second frequency band data, or 1T4R of the first frequency band data or the second frequency band data can be realized, thereby enhancing the working mode of the radio frequency circuit. Flexibility and diversity enhance the intelligence of RF circuits.
  • the second switch module 40 includes a first sub-switch 41 and a second sub-switch 42 , and both the first sub-switch 41 and the second sub-switch 42 are 2P4T
  • the first sub-switch 41 is connected to the two antennas 50
  • the second sub-switch 42 is connected to the other two antennas 50 .
  • the second switch module 40 includes the first sub-switch 41 and the second sub-switch 42, that is, the second switch module 40 is constituted by the first sub-switch 41 and the second sub-switch 42, thereby reducing the need for the second switch module
  • the manufacturing requirements of the group 40 reduce the cost of use.
  • one of the first frequency band transceiver modules and one of the second frequency band transceiver modules are connected to the first sub-switch 41 , and the other first frequency band transceiver module and the other are connected to each other.
  • Each of the second frequency band transceiver modules is connected to the second sub-switch 42 .
  • both of the first frequency band transceiver modules are connected to the first sub-switch 41
  • both of the second frequency band transceiver modules are connected to the second sub-switch 42 .
  • connection modes between the first frequency band transceiver module and the second frequency band transceiver module and the first sub-switch 41 and the second sub-switch 42 can be further enhanced , so that the connection effect is better.
  • the second switch module 40 includes a third sub-switch 43 , a fourth sub-switch 42 and a fifth sub-switch 41 ;
  • the four RF receiving modules 60 are all connected to the third sub-switch 43, and the third sub-switch 43 is connected to the two antennas 50;
  • One of the first frequency band transceiver modules and one of the second frequency band transceiver modules are connected to the fourth sub-switch 42, and the fourth sub-switch 42 is respectively connected to the third sub-switch 43 and the other one.
  • the antenna 50 is connected;
  • the other first frequency band transceiver module and the other second frequency band transceiver module are both connected to the fifth sub-switch 41 , and the fifth sub-switch 41 is connected to the other antenna 50 .
  • the third sub-switch 43 is a 2P4T switch
  • the fourth sub-switch 42 is a 2P2T switch
  • the fifth sub-switch 41 is a 1P2T switch.
  • the first switch module 20 is a 4P4T switch, and the first transmit port, the second transmit port, the third transmit port and the fourth transmit port are all related to the The first switch module 20 is connected.
  • the first switch module 20 includes two sixth sub-switches, and the sixth sub-switch is a 2P2T switch;
  • first transmit port and the second transmit port are both connected to one of the sixth sub-switches, and the third transmit port and the fourth transmit port are both connected to the other sixth sub-switch .
  • the diversity of the first switch modules 20 is also enhanced, and at the same time, more types of the first switch modules 20 can be selected during assembly, making the assembly more flexible.
  • different types of first switch modules 20 can also be selected according to different requirements, which enhances the flexibility of assembly.
  • N78 and N79 in this application are only exemplary descriptions, which do not mean that this application can only be applied to the transmission of resources corresponding to N78 and N79.
  • the above-mentioned first frequency band data and second frequency band data may be N78 and N79 respectively, but are not limited thereto.
  • the N78 TX1 can go to PA2 through the first trace 411, or can go to PA1 through the second trace 412, so as to achieve the purpose of selecting the PA for the N78 TX1.
  • N78 TX1 takes the second line 412 through PA1
  • TX1 can choose ANT1 or ANT2.
  • TX1 can choose ANT3 or ANT4.
  • the N78 can be switched among the four antennas 50 in the 1T4R mode.
  • the N79 can also switch between the four antennas 50 in the 1T4R mode.
  • N78 TX1 takes the second route 412 through PA1
  • TX1 can choose ANT1 or ANT2
  • N78 TX2 takes PA2
  • TX2 can choose ANT3 or ANT4, which is to realize four antennas in 2T4R state 50 switching process.
  • the N79 also switches in the 2T4R state.
  • N78 TX1 in the 1T4R state, when N78 TX1 takes the third line 421 through PA2, TX1 can choose ANT3 or ANT4, when the fourth line 422 of N78 TX1 passes through PA1, TX1 can choose ANT1 or ANT2 .
  • the N78 can be switched among the four antennas 50 in the 1T4R mode.
  • the N79 can also switch between the four antennas 50 in the 1T4R mode.
  • N78 TX1 takes the third line 421 through PA2, TX1 can choose ANT3 or ANT4, while N78 TX2 goes to PA2, TX2 can choose ANT1 or ANT2, which is to achieve four antenna 50 switching in 2T4R state the process of. In the same way, the N79 also switches in the 2T4R state.
  • N78 TX1 takes the fifth line 431 to pass through PA2, and TX1 can select ANT4 at this time; when the sixth line 432 of N78 TX1 passes through PA1, TX1 selects ANT3 at this time; N78 TX1 takes the sixth line For the wiring 432, through PA1, the third sub-switch 43, the fourth sub-switch 42 and the fifth sub-switch 41, ANT1 can be selected, and ANT2 can be selected. In this way, through the above steps, the N78 can be switched among the four antennas 50 in the 1T4R mode. Similarly, N79 can also switch between four antennas 50 in 1T4R mode.
  • N78 TX1 takes the fifth line 431 through PA2, TX1 can choose ANT4, while N78 TX2 takes PA2, and N78 TX2 can choose ANT1, ANT2 and ANT3, this is the process of realizing the switching of four antennas 50 in the 2T4R state. In the same way, the N79 also switches in the 2T4R state.
  • An embodiment of the present application further provides an electronic device including the above-mentioned radio frequency circuit. Since the electronic device in this embodiment includes the above-mentioned radio frequency circuit, it has the same beneficial technical effect as the above-mentioned embodiment.
  • the radio frequency circuit For the specific structure of the radio frequency circuit, reference may be made to the corresponding expressions in the foregoing embodiments, and details are not repeated here.
  • the electronic device includes a main board 100
  • the radio frequency circuit includes a radio frequency transceiver 10, a first switch module 20, M radio frequency transceiver modules 30 and a first switch module 20.
  • the two switch modules 40 are both disposed on the mainboard 100
  • M antennas 50 included in the radio frequency circuit are disposed around the mainboard 100 .
  • the antennas 50 are generally distributed in various positions of the housing of the electronic device, the distances between the respective antennas 50 and the radio frequency transceiver 10 on the main board 100 are different, so that the wiring of the path corresponding to each antenna 50 is also different. It is not the same.
  • the actual detection shows that the difference between each channel can reach more than 5DB (ratio). As a result, the performance differences between the respective antennas 50 are relatively obvious.
  • each antenna 50 is arranged around the main board, so that the performance difference between the channels corresponding to each antenna 50 can be reduced, the channel insertion loss is optimized, and the performance of the radio frequency circuit is improved. At the same time, the problem of the unbalance of the antenna 50 caused by the layout problem can also be solved.

Landscapes

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

Abstract

L'invention concerne un circuit radiofréquence et un dispositif électronique. Le circuit radiofréquence comprend un émetteur-récepteur radiofréquence, un premier module de commutation, M modules d'émission-réception radiofréquence, un second module de commutation, et M antennes. L'émetteur-récepteur de radiofréquences comprend un premier port de transmission de bande de fréquences et un second port de transmission de bande de fréquences. Le premier port de transmission de bande de fréquences est utilisé pour transmettre des données de la première bande de fréquences. Le second port de transmission de bande de fréquence est utilisé pour transmettre des secondes données de bande de fréquence. Le premier port de transmission de bande de fréquence et le second port de transmission de bande de fréquence sont respectivement connectés à une extrémité d'entrée du premier module de commutation. Une extrémité de sortie du premier module de commutation est connectée aux M modules d'émission-réception radiofréquence. Les M modules d'émission-réception radiofréquence sont connectés aux M antennes au moyen du second module de commutation.
PCT/CN2021/101498 2020-06-28 2021-06-22 Circuit radiofréquence et dispositif électronique WO2022001746A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010600195.9A CN111756388B (zh) 2020-06-28 2020-06-28 一种射频电路及电子设备
CN202010600195.9 2020-06-28

Publications (1)

Publication Number Publication Date
WO2022001746A1 true WO2022001746A1 (fr) 2022-01-06

Family

ID=72677678

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/101498 WO2022001746A1 (fr) 2020-06-28 2021-06-22 Circuit radiofréquence et dispositif électronique

Country Status (2)

Country Link
CN (1) CN111756388B (fr)
WO (1) WO2022001746A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114337698A (zh) * 2022-01-13 2022-04-12 西安易朴通讯技术有限公司 一种射频接收方法及装置
CN115149975A (zh) * 2022-06-27 2022-10-04 Oppo广东移动通信有限公司 射频前端模组、射频系统和通信设备

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111756388B (zh) * 2020-06-28 2022-06-07 维沃移动通信有限公司 一种射频电路及电子设备
CN112272041A (zh) * 2020-10-28 2021-01-26 维沃移动通信有限公司 射频电路和电子设备
CN112436862B (zh) * 2020-11-24 2022-08-02 维沃移动通信有限公司 射频电路和电子设备
CN115225111B (zh) * 2020-11-27 2023-12-15 Oppo广东移动通信有限公司 射频系统、天线切换方法和客户前置设备
CN112751584B (zh) * 2020-12-29 2023-07-25 深圳市锐尔觅移动通信有限公司 开关、射频电路以及终端设备
CN114793121B (zh) * 2021-01-25 2024-02-27 Oppo广东移动通信有限公司 射频系统和通信设备
CN112929039B (zh) * 2021-02-25 2022-11-08 浙江海通通讯电子股份有限公司 一种高频模块及通信装置
CN113114281A (zh) * 2021-04-23 2021-07-13 维沃移动通信有限公司 射频电路及电子设备

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101232585A (zh) * 2007-01-22 2008-07-30 汤姆森许可贸易公司 用于视频和高速数据的同时传输的终端及方法
US20110165848A1 (en) * 2010-01-06 2011-07-07 Oleksandr Gorbachov Transmit-receive radio frequency front end integrated circuits for laptop computer applications
EP2720378A1 (fr) * 2012-10-11 2014-04-16 Sony Mobile Communications AB Module d'antenne comprenant un système de commutateurs à échange pour satisfaire aux demandes de linéarité dans des systèmes d'agrégation de porteuse
CN107342777A (zh) * 2017-06-30 2017-11-10 维沃移动通信有限公司 一种射频电路的控制方法及移动终端
CN108023609A (zh) * 2016-10-28 2018-05-11 络达科技股份有限公司 多模多频的收发器、射频前端电路及应用其的射频系统
TW202014039A (zh) * 2018-07-30 2020-04-01 美商高通公司 針對長期進化和新無線電雙連接的載波切換和天線切換
CN210609164U (zh) * 2020-01-08 2020-05-22 维沃移动通信有限公司 一种射频控制电路及电子设备
CN111327344A (zh) * 2020-02-25 2020-06-23 Oppo广东移动通信有限公司 射频系统及电子设备
CN111342859A (zh) * 2020-03-03 2020-06-26 Oppo广东移动通信有限公司 射频系统及电子设备
CN111756388A (zh) * 2020-06-28 2020-10-09 维沃移动通信有限公司 一种射频电路及电子设备

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579341A (en) * 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
JP3351373B2 (ja) * 1998-12-25 2002-11-25 日本電気株式会社 ホットスタンバイ回線切替方式
JP3424640B2 (ja) * 2000-03-01 2003-07-07 日本電気株式会社 無線基地局装置
CN105187083B (zh) * 2013-05-30 2017-08-11 华为技术有限公司 射频收发装置、终端及方法
CN103731172B (zh) * 2013-06-21 2016-05-04 深圳市金溢科技股份有限公司 路侧单元设备以及射频收发方法
JP2016208274A (ja) * 2015-04-22 2016-12-08 パナソニックＩｐマネジメント株式会社 通信子機及び無線通信システム
CN106982450B (zh) * 2017-05-27 2020-10-30 奇酷互联网络科技（深圳）有限公司 通信异常处理方法、装置及移动终端
CN106993305B (zh) * 2017-05-27 2020-06-26 奇酷互联网络科技（深圳）有限公司 通信异常处理方法、装置及移动终端
CN107426756B (zh) * 2017-08-23 2021-04-27 京信通信系统（中国）有限公司 热备份通信系统及其通信接口控制模块
KR102427572B1 (ko) * 2018-06-18 2022-08-01 삼성전자주식회사 스위치를 통해 복수개의 반송파 주파수를 이용한 반송파 집적을 수행하는 전자 장치 및 그의 동작 방법
CN108964677B (zh) * 2018-07-23 2020-12-08 Oppo广东移动通信有限公司 射频系统、天线切换控制方法及相关产品
CN109348493B (zh) * 2018-10-24 2022-02-11 广州天电科技有限公司 一种高可靠性的无线通信系统链路备份装置及其控制方法
CN209170346U (zh) * 2018-12-18 2019-07-26 中国电子科技集团公司第五十四研究所 一种fdd全频段收发信机
CN109802699B (zh) * 2019-01-24 2021-02-09 维沃移动通信有限公司 一种信号收发装置及终端设备
CN109861735B (zh) * 2019-03-22 2022-07-15 维沃移动通信有限公司 一种射频前端电路及移动终端
CN109873664B (zh) * 2019-03-22 2021-01-08 维沃移动通信有限公司 一种射频前端电路及移动终端
CN110299930B (zh) * 2019-06-25 2021-07-13 Oppo广东移动通信有限公司 天线切换方法及相关设备
CN110311696A (zh) * 2019-06-26 2019-10-08 维沃移动通信有限公司 一种射频电路及终端
CN110572178B (zh) * 2019-09-06 2021-09-24 维沃移动通信有限公司 一种网络射频结构、射频控制方法及电子设备
CN110943757B (zh) * 2019-11-29 2021-08-27 维沃移动通信有限公司 射频电路及电子设备

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101232585A (zh) * 2007-01-22 2008-07-30 汤姆森许可贸易公司 用于视频和高速数据的同时传输的终端及方法
US20110165848A1 (en) * 2010-01-06 2011-07-07 Oleksandr Gorbachov Transmit-receive radio frequency front end integrated circuits for laptop computer applications
EP2720378A1 (fr) * 2012-10-11 2014-04-16 Sony Mobile Communications AB Module d'antenne comprenant un système de commutateurs à échange pour satisfaire aux demandes de linéarité dans des systèmes d'agrégation de porteuse
CN108023609A (zh) * 2016-10-28 2018-05-11 络达科技股份有限公司 多模多频的收发器、射频前端电路及应用其的射频系统
CN107342777A (zh) * 2017-06-30 2017-11-10 维沃移动通信有限公司 一种射频电路的控制方法及移动终端
TW202014039A (zh) * 2018-07-30 2020-04-01 美商高通公司 針對長期進化和新無線電雙連接的載波切換和天線切換
CN210609164U (zh) * 2020-01-08 2020-05-22 维沃移动通信有限公司 一种射频控制电路及电子设备
CN111327344A (zh) * 2020-02-25 2020-06-23 Oppo广东移动通信有限公司 射频系统及电子设备
CN111342859A (zh) * 2020-03-03 2020-06-26 Oppo广东移动通信有限公司 射频系统及电子设备
CN111756388A (zh) * 2020-06-28 2020-10-09 维沃移动通信有限公司 一种射频电路及电子设备

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114337698A (zh) * 2022-01-13 2022-04-12 西安易朴通讯技术有限公司 一种射频接收方法及装置
CN114337698B (zh) * 2022-01-13 2023-12-22 西安易朴通讯技术有限公司 一种射频接收方法及装置
CN115149975A (zh) * 2022-06-27 2022-10-04 Oppo广东移动通信有限公司 射频前端模组、射频系统和通信设备
CN115149975B (zh) * 2022-06-27 2023-12-26 Oppo广东移动通信有限公司 射频前端模组、射频系统和通信设备

Also Published As

Publication number Publication date
CN111756388B (zh) 2022-06-07
CN111756388A (zh) 2020-10-09

Similar Documents

Publication Publication Date Title
WO2022001746A1 (fr) Circuit radiofréquence et dispositif électronique
CN115589232B (zh) 射频L-PA Mid器件、射频收发系统和通信设备
EP3540959B1 (fr) Commutateur à voies multiples, système de fréquence radio et dispositif de communication sans fil
JP2021507611A (ja) マルチウェイスイッチ、無線周波数システム及び無線通信装置
CN110545112B (zh) 一种天线切换电路及终端
CN112272044B (zh) 射频电路及电子设备
JP2021503223A (ja) マルチウェイスイッチ、無線周波数システム及び無線通信装置
JP2021505054A (ja) マルチウェイスイッチ、無線周波数システム及び無線通信装置
WO2021031771A1 (fr) Circuit frontal radiofréquence et terminal mobile
WO2021218839A1 (fr) Circuit radiofréquence et dispositif électronique
CN108599777B (zh) 多路选择开关及相关产品
CN108900201B (zh) 多路选择开关、射频系统及电子设备
CN109039345B (zh) 多路选择开关及相关产品
CN105633554B (zh) 一种天线电路、电子设备
KR20200081462A (ko) 멀티 웨이 스위치, 무선 주파수 시스템 및 무선 통신 장치
CN108964675B (zh) 多路选择开关及相关产品
WO2016184271A1 (fr) Appareil de commutation d'antenne
US20210203375A1 (en) Switch control circuit, carrier aggregation method and device, and communication apparatus
CN209748553U (zh) 射频电路及终端设备
WO2022062586A1 (fr) Dispositif drx radiofréquence, système radiofréquence et appareil de communication
CN212324099U (zh) 射频电路和电子设备
CN210041832U (zh) 一种天线切换电路及电子设备
WO2021238430A1 (fr) Dispositif mid pa radiofréquence, système radiofréquence et dispositif de communication
CN213213464U (zh) 射频结构和电子设备
CN219459057U (zh) 射频电路和电子设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21833752

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21833752

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 21833752

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 08.08.2023)

122 Ep: pct application non-entry in european phase

Ref document number: 21833752

Country of ref document: EP

Kind code of ref document: A1