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WO2023016217A1 - Module amplificateur, système radiofréquence et dispositif de communication - Google Patents

Module amplificateur, système radiofréquence et dispositif de communication Download PDF

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Publication number
WO2023016217A1
WO2023016217A1 PCT/CN2022/106838 CN2022106838W WO2023016217A1 WO 2023016217 A1 WO2023016217 A1 WO 2023016217A1 CN 2022106838 W CN2022106838 W CN 2022106838W WO 2023016217 A1 WO2023016217 A1 WO 2023016217A1
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WO
WIPO (PCT)
Prior art keywords
port
frequency
uhf
transmission signal
module
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Application number
PCT/CN2022/106838
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English (en)
Chinese (zh)
Inventor
陈锋
仝林
Original Assignee
Oppo广东移动通信有限公司
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2023016217A1 publication Critical patent/WO2023016217A1/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
    • H04B1/401—Circuits for selecting or indicating operating mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present application relates to the technical field of antennas, in particular to an amplifier module, a radio frequency system and communication equipment.
  • multiple discrete power amplifier modules will be set in the radio frequency system, for example, multiple multi-frequency multi-mode power amplifiers (Multi -band multi-mode power amplifier, MMPA) and MMPA devices that support 5G signal transmission, enable the dual connection mode of 4G signals and 5G signals to be realized in Non-Standalone (NSA) mode.
  • MMPA multi-frequency multi-mode power amplifier
  • NSA Non-Standalone
  • Embodiments of the present application provide an amplifier module, a radio frequency system, and communication equipment, which can improve device integration and reduce costs.
  • the application provides a multi-mode multi-band power amplifier MMPA module, including:
  • the non-UHF amplifying circuit is configured to receive and process the non-UHF transmission signal from the radio frequency transceiver, and output it to the target non-UHF output port through the target selection switch;
  • UHF amplifier circuit including:
  • the UHF transmitting circuit is configured to receive and process the UHF transmitting signal from the radio frequency transceiver, and output it to the target UHF output port through the SPDT switch, filter, coupler and SP4T switch in sequence;
  • the UHF receiving circuit is configured to sequentially receive and process the UHF receiving signal of the target UHF input port through the SP4T switch, the coupler, the filter and the SPDT switch, and output it to the the radio frequency transceiver;
  • the P port of the SPDT switch is connected to the filter, one T port of the SPDT switch is connected to the UHF transmitting circuit, and the other T port is connected to the UHF receiving circuit;
  • the P port of the SP4T switch is connected to the coupler, the three T ports of the SP4T switch are configured to be connected to three SRS ports respectively, and the other T port is configured to be connected to the first UHF antenna port;
  • the target UHF output port and the target UHF input port are any one of the three SRS ports and the first UHF antenna port.
  • the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, and supports one UHF signal Receive processing simplifies the RF front-end architecture.
  • the application provides a MMPA module including:
  • the non-UHF amplifying unit is connected to the target selection switch, and is used to receive and process the non-UHF transmission signal from the radio frequency transceiver, and output it to the target non-UHF output port through the target selection switch;
  • the first ultra-high frequency amplifying unit is connected to the SPDT switch, filter, coupler and SP4T switch in turn, for receiving and processing the ultra-high frequency transmission signal from the radio frequency transceiver, and performing the ultra-high frequency transmission signal on the described ultra-high frequency transmission signal After amplification processing, output to the target UHF output port through the SPDT switch, the filter, the coupler and the SP4T switch in sequence;
  • the second ultra-high frequency amplifying unit is sequentially connected to the SPDT switch, filter, coupler and SP4T switch, and is used to receive and process through the SP4T switch, the coupler, the filter and the SPDT switch in sequence
  • the UHF receiving signal of the target UHF input port is amplified and processed, and then output to the radio frequency transceiver;
  • the P port of the SPDT switch is connected to the filter, one T port of the SPDT switch is connected to the first UHF amplifying unit, and the other T port is connected to the second UHF amplifying unit;
  • a P port of the SP4T switch is connected to the coupler, three T ports of the SP4T switch are connected to the three SRS ports of the MMPA module one by one, and the other T port is connected to the SRS port of the MMPA module.
  • the first UHF antenna port; the target UHF output port and the target UHF input port are any one of the three SRS ports and the first UHF antenna port.
  • the present application provides an MMPA module configured with a non-UHF receiving port for receiving non-UHF transmission signals of a radio frequency transceiver, and for receiving a UHF transmission signal of the radio frequency transceiver
  • the second UHF output port of the UHF transmission signal, the second UHF output port includes a UHF antenna port and three SRS ports;
  • the MMPA module includes:
  • a non-UHF amplifying circuit connected to the non-UHF receiving port, for amplifying the non-UHF transmission signal
  • a target selection switch connected to the output end of the non-UHF amplifying circuit and the non-UHF output port, for selectively conducting the connection between the non-UHF amplifying circuit and the target non-UHF output port A path, the target non-UHF output port is any one of the non-UHF output ports;
  • a UHF transmitting circuit connected to the UHF receiving port, for amplifying and processing the UHF transmitting signal
  • a UHF receiving circuit connected to the first UHF output port, for amplifying and processing the UHF receiving signal
  • a T port of the SPDT switch is connected to the UHF transmitting circuit, and another T port is connected to the UHF receiving circuit;
  • the first end of the filter is connected to the P port of the SPDT switch, and is used to filter the UHF transmit signal/the UHF receive signal;
  • a coupler the first end of the coupler is connected to the second end of the filter, and the second end of the coupler is connected to the coupling port of the MMPA module for detecting the UHF transmission signal/ The power information of the UHF receiving signal, and outputting the power information through the coupling port;
  • the P port of the SP4T switch is connected to the third end of the coupler, the three T ports of the SP4T switch are connected to the three SRS ports one by one, and the other T port is connected to the first super HF antenna port.
  • the present application provides a radio frequency system including:
  • the MMPA module as described in any one of the first to third aspects
  • a radio frequency transceiver connected to the MMPA module, for sending and/or receiving UHF signals and non-UHF signals;
  • the first antenna unit is connected to the second UHF antenna port of the MMPA module, and the second UHF antenna port includes three SRS ports and the first UHF antenna port;
  • the target antenna unit is connected to the target antenna port of the MMPA module
  • the radio frequency system is used to realize the EN-DC function between the UHF transmission signal and the non-UHF transmission signal through the MMPA module, wherein the non-UHF transmission signal includes a low frequency transmission Any one of signal, intermediate frequency transmission signal and high frequency transmission signal.
  • the present application provides a communication device, including:
  • the radio frequency system as described in the fourth aspect as described in the fourth aspect.
  • FIG. 1A is a schematic structural diagram of a radio frequency system 1 provided in an embodiment of the present application.
  • Fig. 1 B is the structural representation of a kind of existing MMPA module that the embodiment of the present application provides;
  • Fig. 2 is the frame schematic diagram of a kind of MMPA module provided by the embodiment of the present application
  • Fig. 3 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;
  • Fig. 4 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;
  • Fig. 5 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;
  • FIG. 6 is a schematic diagram of the framework of another MMPA module provided by the embodiment of the present application.
  • Fig. 7 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;
  • Figure 8 is a schematic diagram of the framework of another MMPA module provided by the embodiment of the present application.
  • Fig. 9 is a schematic framework diagram of another MMPA module provided by the embodiment of the present application.
  • Fig. 10 is a schematic framework diagram of another MMPA module provided by the embodiment of the present application.
  • FIG. 11 is a schematic framework diagram of a radio frequency system 1 provided in an embodiment of the present application.
  • FIG. 12 is a schematic framework diagram of another radio frequency system 1 provided by an embodiment of the present application.
  • FIG. 13 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application.
  • FIG. 14 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application.
  • FIG. 15 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application.
  • FIG. 16 is a schematic framework diagram of a communication device A provided in an embodiment of the present application.
  • FIG. 17 is a schematic frame diagram of a mobile phone provided by an embodiment of the present application.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • plural means at least two, such as two, three, etc., unless otherwise specifically defined.
  • severeal means at least one, such as one, two, etc., unless otherwise specifically defined.
  • the radio frequency system involved in the embodiments of the present application can be applied to communication devices with wireless communication functions, and the communication devices can be handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, and various forms of A user equipment (User Equipment, UE) (for example, a mobile phone), a mobile station (Mobile Station, MS) and so on.
  • UE User Equipment
  • UE Mobile Station
  • Network devices may include base stations, access points, and the like.
  • the radio frequency system 1 includes an MMPA module 10, a transmitting module 20 (the transmitting module is also called a TXM module), and a radio frequency transceiver 30 and an antenna group 40, wherein the radio frequency transceiver 30 is connected to the MMPA module 10 and the transmitting module 20, and the MMPA module 10 and the transmitting module 20 are connected to the antenna group 40.
  • the radio frequency transceiver is used for sending or receiving radio frequency signals through the signal path of the MMPA module 10 and the antenna group 40, or for sending or receiving radio frequency signals through the transmitting module 20 and the antenna group 40,
  • the MMPA module 10 may also be connected with the transmitting module 20 to form a signal processing path to transmit or receive radio frequency signals through corresponding antennas.
  • the MMPA module 10 is configured with a low frequency signal receiving port LB TX IN, an intermediate frequency signal receiving port MB TX IN, a high frequency signal receiving port HB TX IN, the first low frequency signal transmission port LB1, the second low frequency signal transmission port LB2, the third low frequency signal transmission port LB3, the fourth low frequency signal transmission port LB4, the fifth low frequency signal transmission port LB5, the first intermediate frequency signal transmission port MB1 , the second intermediate frequency signal sending port MB2, the third intermediate frequency signal sending port MB3, the fourth intermediate frequency signal sending port MB4, the fifth intermediate frequency signal sending port MB5, the first high frequency signal sending port HB1, the second high frequency signal sending port HB2 , the third high-frequency signal sending port HB3, the first high-frequency signal forwarding port HB RX1, the second high-frequency signal forwarding port HB RX2, the first low-medium-high-frequency power supply port LMHB_VCC1,
  • the low-frequency amplifier circuit LB PA includes a cascaded low-frequency front-stage PA (shown as a PA close to LB TX IN), a low-frequency matching circuit, and a low-frequency post-stage PA (shown as a PA far away from LB TX IN).
  • the input terminal of the stage PA is connected to the LB TX IN
  • the output terminal of the low-frequency pre-stage PA is connected to the low-frequency matching circuit
  • the low-frequency matching circuit is connected to the low-frequency post-stage PA
  • the power supply terminal of the low-frequency pre-stage PA Connect the LMHB_VCC1
  • the power supply terminal of the low-frequency post-stage PA is connected to the LMB_VCC2 for receiving and processing the low-frequency signal sent by the radio frequency transceiver
  • the low-frequency selection switch is an SP5T switch, the P port of the SP5T switch is connected to the output end of the low-frequency post-stage PA, and the 5 T ports are connected to the LB1, LB2, LB3, LB4, and LB5 in one-to-one correspondence for selecting the guide Through the path between the low-frequency amplifier circuit LB PA and any low-frequency signal sending port;
  • the intermediate frequency amplifier circuit MB PA includes a cascaded intermediate frequency pre-PA (shown as a PA close to MB TX IN), an intermediate frequency matching circuit, and an intermediate frequency post-stage PA (shown as a PA far away from MB TX IN).
  • the input end of the stage PA is connected to the MB TX IN
  • the output end of the intermediate frequency pre-stage PA is connected to the intermediate frequency matching circuit
  • the intermediate frequency matching circuit is connected to the intermediate frequency subsequent stage PA
  • the power supply terminal of the intermediate frequency pre-stage PA Connect the LMHB_VCC1, the power supply end of the intermediate frequency post-stage PA is connected to the LMB_VCC2, for receiving and processing the intermediate frequency signal sent by the radio frequency transceiver;
  • the intermediate frequency selection switch is an SP5T switch, the P port of the SP5T switch is connected to the output terminal of the intermediate frequency post-stage PA, and the five T ports are connected to the MB1, MB2, MB3, MB4, and MB5 in one-to-one correspondence for selecting the guide
  • High-frequency amplifier circuit HB PA including cascaded high-frequency pre-PA (shown as PA close to HB TX IN), high-frequency matching circuit and high-frequency post-stage PA (shown as PA away from HB TX IN),
  • the input end of the high-frequency pre-stage PA is connected to the MB TX IN
  • the output end of the high-frequency pre-stage PA is connected to the high-frequency matching circuit
  • the high-frequency matching circuit is connected to the high-frequency post-stage PA
  • the power supply terminal of the high-frequency pre-stage PA is connected to the LMHB_VCC1
  • the power supply terminal of the high-frequency post-stage PA is connected to the HB_VCC2 for receiving and processing high-frequency signals sent by the radio frequency transceiver;
  • the first high-frequency selection switch is an SPST switch, the P port is connected to the output end of the high-frequency post-stage PA, and the T port is connected to HB1;
  • the second high-frequency selection switch is an SPDT switch, the P port is connected to HB2, one T port is connected to HB1, and the other T port is connected to HB RX2;
  • the third high-frequency selection switch is an SPDT switch, the P port is connected to HB3, one T port is connected to HB1, and the other T port is connected to HB RX1;
  • the first controller CMOS Controller1 is connected to port SCLK1, port SDA1, port VIO1, and port VBATT1, and is used to receive the first mobile processor industrial interface bus MIPI BUS control signal of port SCLK1 and port SDA1, and receive the first MIPI power supply signal of VIO1 , receiving the first bias voltage signal of VBAT1;
  • the second controller CMOS Controller2 is connected to port SCLK2, port SDA2, port VIO2, and port VBATT2, and is used to receive the second mobile processor industrial interface bus MIPI BUS control signal of port SCLK2 and port SDA2, and receive the second MIPI power supply signal of VIO2 , receiving the second bias voltage signal of VBAT2.
  • the working frequency range of the low frequency signal, intermediate frequency signal and high frequency signal that the signal processing circuit of the MMPA module 10 can process is from 663 MHz to 2690 MHz. It can be seen that the existing MMPA modules only integrate circuits that support low-frequency signals, intermediate-frequency signals, and high-frequency signal processing. GHz ⁇ 3.8GHz)) in various countries, and electronic devices such as mobile phones support the processing of UHF signals has become a must-have requirement.
  • the traditional MMPA module does not consider the dual connection between the fourth-generation 4G wireless access network and the fifth-generation 5G new air interface NR (E-UTRA and New radio) between low-frequency signals, intermediate-frequency signals and high-frequency signals.
  • E-UTRA and New radio the fifth-generation 5G new air interface NR
  • EN-DC Dual Connectivity
  • the power supplies of each signal processing circuit are connected together.
  • an additional MMPA module needs to be added in order to realize the EN-DC before the low-frequency signal and the intermediate-frequency signal, and between the low-frequency signal and the high-frequency signal.
  • the present application provides an amplifier module, a radio frequency system and a communication device, which will be described in detail below.
  • Multi-band multi-mode power amplifier Multi-band multi-mode power amplifier, MMPA module 10
  • MMPA multi-band multi-mode power amplifier
  • the non-UHF amplifying circuit 500 is configured to receive and process the non-UHF transmission signal from the radio frequency transceiver 30, and output it to the target non-UHF output port 800 through the target selection switch 560;
  • UHF amplifying circuit 400 including:
  • the UHF transmission circuit 410 is configured to receive and process the UHF transmission signal from the RF transceiver 30, and output the UHF transmission signal to the target UHF through the SPDT switch 540, the filter 610, the coupler 710 and the SP4T switch 550 in sequence. frequency output port;
  • the UHF receiving circuit 420 is configured to receive and process the UHF receiving signal of the target UHF input port through the SP4T switch 550, the coupler 710, the filter 610 and the SPDT switch 540 in sequence , and output to the radio frequency transceiver 30;
  • the P port of the SPDT switch 540 is connected with the filter 610, one T port of the SPDT switch 540 is connected with the UHF transmitting circuit 410, and the other T port is connected with the UHF receiving circuit 420;
  • the P port of the SP4T switch 550 is connected to the coupler 710, the three T ports of the SP4T switch 550 are configured to be connected to three SRS ports 820 respectively, and the other T port is configured to be connected to The first UHF antenna port 810 ;
  • the target UHF output port and the target UHF input port are any one of the three SRS ports 820 and the first UHF antenna port 810 .
  • the SRS port refers to an antenna port for receiving or sending a UHF signal
  • the symbol "/" means or.
  • the target frequency band signal is a high frequency radio frequency signal.
  • the SP4T switch 550 is used to selectively conduct the signal path between the UHF transmitting circuit 410 and the first UHF antenna port and any port in the three SRS ports, so as to support the UHF signal in the Burst function between antennas.
  • the SRS switching4 antenna transmission function of the mobile phone is a mandatory option of China Mobile Communications Group CMCC in the "China Mobile 5G Scale Test Technology White Paper_Terminal", and it is optional in the 3rd Generation Partnership Project 3GPP.
  • the base station To measure the uplink signals of the 4 antennas of the mobile phone, and then confirm the quality and parameters of the 4-channel channel, according to the channel reciprocity, the beamforming of the multiple-input multiple-output Massive MIMO antenna array for the downlink is performed according to the channel reciprocity, and finally the downlink 4x4MIMO Get the best data transfer performance.
  • the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, and supports one UHF signal Receive processing simplifies the RF front-end architecture.
  • the non-UHF amplifying circuit 500 includes:
  • the low-frequency amplification circuit 100 is configured to receive the low-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the low-frequency transmission signal, output it to the target low-frequency output port 830 through the first selection switch 510;
  • the intermediate frequency amplifying circuit 200 is configured to receive the intermediate frequency transmission signal from the radio frequency transceiver 30, and after amplifying the intermediate frequency transmission signal, output it to the target intermediate frequency output port 840 through the second selection switch 520;
  • the high-frequency amplifying circuit 300 is configured to receive the high-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the high-frequency transmission signal, output it to the target high-frequency output port 850 through the third selection switch 530 .
  • low-frequency signals may include low-frequency signals in third-generation mobile communication 3G, 4G, and 5G networks
  • intermediate-frequency signals may include intermediate-frequency signals in 3G, 4G, and 5G networks
  • high-frequency signals may include signals in 3G, 4G, and 5G networks.
  • the high-frequency signal, the ultra-high frequency signal may include the ultra-high frequency signal in the 5G network.
  • Table 1 shows the frequency band division of the signals of the second generation mobile communication 2G network, 3G network, 4G network, and 5G network.
  • the low-frequency amplifier circuit 100 is specifically used to amplify low-frequency transmission signals of 3G networks, 4G networks, and 5G networks;
  • the intermediate-frequency amplifier circuit 200 is specifically used to amplify intermediate-frequency signals of 3G networks, 4G networks, and 5G networks;
  • the amplification circuit 300 is specifically used to amplify high-frequency signals of 3G networks, 4G networks, and 5G networks;
  • the ultra-high-frequency amplification circuit 400 is specifically used to amplify ultra-high-frequency signals of 5G networks.
  • the low-frequency amplifying circuit 100 is configured to receive the low-frequency transmission signal under a first supply voltage
  • the intermediate frequency amplifying circuit 200 is configured to receive the intermediate frequency transmission signal under a second power supply voltage
  • the high-frequency amplifying circuit 300 is configured to receive the high-frequency transmission signal under the second power supply voltage
  • the UHF amplifying circuit 400 is configured to receive the UHF transmission signal or the UHF reception signal under the second supply voltage.
  • the first power supply voltage and the second power supply voltage may be less than or equal to 3.6V.
  • the MMPA module can simultaneously process low-frequency transmission signals and target frequency band signals.
  • the target frequency band signals are intermediate frequency transmission signals, high-frequency transmission signals and ultra-high frequency transmission signals. Either of the transmitted signals.
  • the MMPA module 10 is used to realize the connection between the fourth-generation 4G wireless access network and the fifth-generation 5G new air interface NR between the non-UHF transmission signal and the UHF transmission signal. Dual connection EN-DC function.
  • 4G LTE frequency band 5G NR frequency band EN-DC LB MB LB+MB LB HB LB+HB LB UHB LB+UHB
  • the low frequency amplifier circuit and the intermediate frequency amplifier circuit work at the same time, it satisfies the EN-DC combination of LB+MB; when the low frequency amplifier circuit and the intermediate frequency amplifier circuit work at the same time, it satisfies the EN-DC combination of LB+HB; when When the low-frequency amplifying circuit and the ultra-high-frequency amplifying circuit work simultaneously, it satisfies the EN-DC combination of LB+UHB.
  • the MMPA module can realize dual transmission processing of various signal combinations through independent power supply, and improve device capability.
  • the UHF transmission circuit 410 includes a single power amplifier, so as to perform power amplification processing on the UHF transmission signal; or,
  • the UHF transmitting circuit 410 includes a plurality of power amplifiers and a power combining unit, which implements power amplification processing of the UHF transmitting signal in a power combining manner.
  • the UHF transmitting circuit 410 includes a first power amplifier, a matching circuit and a second power amplifier, the first power amplifier is connected to the matching circuit, the matching circuit is connected to the second power amplifier, and the The second power amplifier is connected to the SPDT switch 540 .
  • the specific implementation manners of the UHF transmitting circuit 410 can be various and adaptable.
  • the UHF receiving circuit 420 includes a single low noise amplifier, so as to perform power amplification processing on the UHF receiving signal.
  • the first selection switch 510 is an SP5T switch, wherein the P port of the SP5T switch is connected to the output end of the low-frequency amplifying circuit 100, and the five T ports of the SP5T switch are in one-to-one correspondence Connect the 5 low-frequency output ports of the MMPA module 10.
  • the first selection switch 510 can be an SP5T switch, wherein the P port is connected to the output end of the low-frequency amplifier circuit 100, and the five T ports are connected to the five low-frequency output ports of the MMPA module 10 one by one (shown in the figure For LB TX1-5), the 5 low-frequency output ports can be optionally connected to the second antenna unit (for example: low-frequency antenna unit), and the target low-frequency output port is any one of the 5 low-frequency output ports.
  • the P port is connected to the output end of the low-frequency amplifier circuit 100
  • the five T ports are connected to the five low-frequency output ports of the MMPA module 10 one by one (shown in the figure For LB TX1-5)
  • the 5 low-frequency output ports can be optionally connected to the second antenna unit (for example: low-frequency antenna unit)
  • the target low-frequency output port is any one of the 5 low-frequency output ports.
  • the second selection switch 520 can be an SP5T switch, wherein the P port is connected to the output end of the intermediate frequency amplifier circuit 200, and the five T ports are connected to the five intermediate frequency output ports of the MMPA module 10 one by one (the figure is MB TX1-5) , the five intermediate frequency output ports can optionally be connected to a third antenna unit (for example, an intermediate frequency antenna unit), and the target intermediate frequency output port is any one of the five intermediate frequency output ports.
  • the third selection switch 530 can be a 3P3T switch, the first P port is connected to the output end of the high-frequency amplifier circuit 300, and the second P port is connected to the first high-frequency output port of the MMPA module 10 (shown as HB TX1), The third P port is connected to the second high-frequency output port of the MMPA module 10 (shown as HB TX2), and the first T port is connected to the third high-frequency output port of the MMPA module 10 (shown as HB TX3), The second and third T ports are connected to the 2 high-frequency transceiver ports 810 (shown as HB TRX1 and HB TRX2) of the MMPA module 10 in one-to-one correspondence, and the first high-frequency output port and the second high-frequency output port can be Connect to the high-frequency receiving module, which is used to receive and process high-frequency signals, and the third high-frequency output port and the two high-frequency transceiver ports 810 are connected to the fourth antenna unit (for example: high-
  • the high-frequency receiving module can be, for example, a radio frequency low noise amplifier module (Low noise amplifier front end module, LFEM), and can also be a diversity receiving module (Diversity Receive Module with antenna switch module and filter) Antenna Switch Module and SAW, DFEM), can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA) and so on.
  • LFEM radio frequency low noise amplifier front end module
  • DFEM Diversity receiving module
  • Antenna Switch Module and SAW, DFEM can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA) and so on.
  • MLNA Multi band Low Noise Amplifier
  • the MMPA module supports multi-channel flexible processing for low-band, mid-band and high-band radio frequency signals.
  • the embodiment of the present application provides another multi-mode multi-band power amplifier MMPA module 10, including:
  • the non-UHF amplifying unit 910 is connected to the target selection switch 560 for receiving and processing the non-UHF transmission signal from the radio frequency transceiver 30, and outputs the target non-UHF output port 800 through the target selection switch 560 ;
  • the first UHF amplifying unit 411 is sequentially connected to the SPDT switch 540, the filter 610, the coupler 710 and the SP4T switch 550 for receiving and processing the UHF transmission signal from the radio frequency transceiver 30, and to the After the UHF transmission signal is amplified, it is sequentially output to the target UHF output port through the SPDT switch 540, the filter 610, the coupler 710 and the SP4T switch 550;
  • the second ultra-high frequency amplifying unit 421 is sequentially connected to the SPDT switch 540, the filter 610, the coupler 710 and the SP4T switch 550, and is used to sequentially pass through the SP4T switch 550, the coupler 710, and the filter 610 and the SPDT switch 540 receives and processes the UHF receiving signal of the target UHF input port, and after amplifying the UHF receiving signal, outputs it to the RF transceiver 30;
  • the P port of the SPDT switch 540 is connected to the filter 610, one T port of the SPDT switch 540 is connected to the first ultrahigh frequency amplifying unit 411, and the other T port is connected to the second ultrahigh frequency amplification unit 411.
  • the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, and supports one UHF signal Receive processing simplifies the RF front-end architecture.
  • the target selection switch 560 includes a first selection switch 510, a second selection switch 520, and a third selection switch 530;
  • the non-UHF amplification unit 910 includes:
  • the low-frequency amplifying unit 110 is connected to the first selection switch 510, and is used to receive and process the low-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the low-frequency transmission signal, output it through the first selection switch 510 To the target low frequency output port 830;
  • the intermediate frequency amplifying unit 210 is connected to the second selection switch 520, and is used for receiving and processing the intermediate frequency transmission signal from the radio frequency transceiver 30, and after amplifying the intermediate frequency transmission signal, it passes through the second selection switch 520 is output to the target intermediate frequency output port 840;
  • the high-frequency amplifying unit 310 is connected to the third selection switch 530, and is used for receiving and processing the high-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the high-frequency transmission signal, the high-frequency transmission signal is passed through the first The three-selection switch 530 outputs to the target high-frequency output port 850 .
  • each amplifying unit in the low frequency amplifying unit 110, the intermediate frequency amplifying unit 210, the high frequency amplifying unit 310, the first super high frequency amplifying unit 411, and the second super high frequency amplifying unit 421 may include a power amplifier to receive The radio frequency signal is subjected to power amplification processing.
  • the amplifying unit may further include a plurality of power amplifiers and a power combining unit, which implements power amplification processing of radio frequency signals by means of power combining and the like.
  • the low frequency amplifying unit 110 is powered by a first power supply module
  • the intermediate frequency amplifying unit 210, the high frequency amplifying unit 310, the first ultra high frequency amplifying unit 411 and the second ultra high frequency amplifying unit 421 are powered by a second power supply module.
  • the MMPA module supports the processing of radio frequency signals in any frequency band of low frequency, intermediate frequency, high frequency and ultra-high frequency. Since the low frequency amplifier unit and the target amplifier unit are powered independently, the target amplifier unit is the intermediate frequency Amplifying unit, high-frequency amplifying unit and ultra-high-frequency amplifying unit, so that low-frequency signals and other signals can be transmitted at the same time, and then the MMPA module can output two signals at the same time to support 4G long-term evolution LTE signals and The amplification of 5G NR signal realizes the EN-DC of 4G LTE signal and 5G NR signal. At the same time, the MMPA module supports 4-antenna SRS function and supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture.
  • the embodiment of the present application provides another multi-mode multi-band power amplifier MMPA module 10, including:
  • Non-UHF receiving port 860 for receiving non-UHF transmission signals of the RF transceiver 30, a UHF receiving port 870 for receiving the UHF transmission signals of the RF transceiver, and a UHF receiving port 870 for transmitting
  • Two UHF output ports, the second UHF output port includes a first UHF antenna port 810 and three SRS ports 820;
  • the MMPA module includes:
  • a non-UHF amplifying circuit 500 connected to the non-UHF receiving port 860, for amplifying the non-UHF transmission signal
  • the target selection switch 560 is connected to the output terminal of the non-UHF amplifying circuit 500 and the non-UHF output port 800, and is used to select and conduct the non-UHF amplifying circuit 500 and the target non-UHF output A path between ports, the target non-UHF output port is any one of the non-UHF output ports 800;
  • UHF transmitting circuit 410 connected to the UHF receiving port 870, for amplifying and processing the UHF transmitting signal
  • UHF receiving circuit 420 connected to the first UHF output port 880, for amplifying the UHF receiving signal
  • a T port of the SPDT switch 540 is connected to the UHF transmitting circuit 410, and another T port is connected to the UHF receiving circuit 420;
  • a filter 610 the first end of the filter 610 is connected to the P port of the SPDT switch 540, for filtering the UHF transmit signal/the UHF receive signal;
  • a coupler 710 the first end of the coupler 710 is connected to the second end of the filter 610, and the second end of the coupler 710 is connected to the coupling port 811 of the MMPA module 10 for detecting the power information of the UHF transmit signal/the UHF receive signal, and output the power information through the coupling port 811;
  • the P port of the SP4T switch 550 is connected to the third end of the coupler 710, the three T ports of the SP4T switch 550 are connected to the three SRS ports 820 one by one, and the other T port is connected to The first UHF antenna port 810 .
  • the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, and supports one UHF signal Receive processing simplifies the RF front-end architecture.
  • the non-UHF receiving port 860 includes:
  • the low frequency receiving port 861 for receiving the low frequency transmission signal of the radio frequency transceiver 30;
  • An intermediate frequency receiving port 862 for receiving the intermediate frequency transmitting signal of the radio frequency transceiver 30.
  • the non-UHF output port 800 includes:
  • the MMPA module 10 is further configured with a first power supply port 812 and a second power supply port 813;
  • the target selection switch 560 includes a first selection switch 510, a second selection switch A switch 520 and a third selection switch 530;
  • the non-UHF amplifying circuit 500 includes a low frequency amplifying circuit 100, an intermediate frequency amplifying circuit 200 and a high frequency amplifying circuit 300;
  • the low-frequency amplification circuit 100 is connected to the low-frequency receiving port 861 and the first power supply port 812, and is used to amplify the low-frequency transmission signal under the first power supply voltage of the first power supply port 812;
  • the first selection switch 510 is connected to the output terminal of the low frequency amplifier circuit 100 and the low frequency output port 801, and is used to select and conduct the path between the low frequency amplifier circuit 100 and the target low frequency output port, the target The low-frequency output port is any one of the low-frequency output ports 801;
  • the intermediate frequency amplifying circuit 200 is connected to the intermediate frequency receiving port 862 and the second power supply port 813, and is used to amplify the intermediate frequency transmission signal under the second power supply voltage of the second power supply port 813 deal with;
  • the second selection switch 520 is connected to the output terminal of the intermediate frequency amplifier circuit 200 and the intermediate frequency output port 802, and is used to select and conduct the path between the intermediate frequency amplifier circuit 520 and the target intermediate frequency output port.
  • the intermediate frequency output port is any one of the intermediate frequency output ports 802;
  • the high frequency amplifying circuit 300 is connected to the high frequency receiving port 863 and the second power supply port 813, and is used to transmit the high frequency under the second power supply voltage of the second power supply port 813.
  • the signal is amplified;
  • the third selection switch 530 is connected to the output terminal of the high frequency amplifier circuit 300 and the high frequency output port 803, and is used to select and conduct the path between the high frequency amplifier circuit 300 and the target high frequency output port , the target high-frequency output port is any one of the high-frequency output ports 803;
  • the UHF transmission circuit 410 is configured to amplify the UHF transmission signal under the second power supply voltage of the second power supply port 813;
  • the UHF receiving circuit 420 is configured to amplify the UHF receiving signal under the second power supply voltage of the second power supply port 813 .
  • the number of the first power supply port VCC1 and the second power supply port VCC2 can be set according to the number of power amplifiers included in the corresponding frequency band transmitting circuits, specifically, the number of the first power supply port VCC1 can be It is equal to the number of power amplifiers in the low-frequency amplifying unit, for example, there may be two.
  • the MMPA module supports the processing of radio frequency signals in any frequency band of low frequency, intermediate frequency, high frequency and ultra-high frequency. Since the low frequency amplifier circuit and the target amplifier circuit are powered independently, the target amplifier circuit is an intermediate frequency Amplifying circuit, high-frequency amplifying circuit and ultra-high-frequency amplifying circuit, so that low-frequency signals and other signals can be transmitted at the same time, so that the MMPA module can output two signals at the same time to support 4G LTE signals and 5G NR Signal amplification realizes EN-DC of 4G LTE signal and 5G NR signal. At the same time, the MMPA module supports 4-antenna SRS function and supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture.
  • the MMPA module 10 includes the low-frequency processing circuit and related ports in the MMPA module 10 shown in FIG. 1B, Intermediate frequency processing circuit and related ports, high frequency processing circuit and related ports, first controller (shown as MIPI RFFE Controller1(PA)), second controller (shown as MIPI RFFE Controller2(PA)) and related ports
  • first controller shown as MIPI RFFE Controller1(PA)
  • second controller shown as MIPI RFFE Controller2(PA)
  • UHF receiving port n77 TX IN shown in the figure
  • n77 TX IN UHF transmitting port
  • MMPA module 10 also includes:
  • the ultra-high frequency amplifier circuit (UHB PA in the figure) is used to receive the ultra-high frequency signal of the RF transceiver through the port n77 TX IN, perform amplification processing, and output to the target through the SPDT switch, filter, coupler and SP4T switch UHF output port, the target UHF output port is any one of port SRS OUT1, port SRS OUT2, port SRS OUT3, port n77 ANT;
  • UHF receive circuit (shown as a low noise filter connected to port n77 RX1) for receiving and processing UHF signals via the target UHF receive port, SP4T switch, coupler, filter, and SPDT switch, and Send to the RF transceiver through port n77 RX1, the target UHF receiving port is any one of port SRS OUT1, port SRS OUT2, port SRS OUT3, port n77 ANT;
  • the third controller (MIPI RFFE Controller3 (LNA) in the figure) is connected to port SCLK3, port SDA3, port VIO3, and port VDD, and is used to receive the third MIPI bus BUS control signal of port SCLK3 and port SDA3, and receive the third MIPI bus BUS control signal of VIO3. 2. MIPI power supply signal, receiving the voltage signal of VDD;
  • the power amplifier of the low-frequency amplifier circuit is powered by ports LB_VCC1 and LB_VCC2, and the power amplifiers of the intermediate frequency amplifier circuit, high-frequency amplifier circuit, and ultra-high frequency amplifier circuit are powered by port MHB_UHB_VCC1 and port MHB_UHB_VCC2, so that through independent power supply, It can process low-frequency signals and target frequency band signals at the same time, and the target frequency band signals are any one of intermediate frequency signals, high-frequency signals and ultra-high-frequency signals to realize the EN-DC function.
  • the embodiment of the present application improves a radio frequency system 1, including:
  • the MMPA module 10 described in any embodiment of the present application.
  • the first antenna unit 70 is connected to the second UHF antenna port of the MMPA module 10, and the second UHF antenna port includes three SRS ports 820 and the first UHF antenna port 810;
  • the target antenna unit 80 is connected to the target antenna port 804 of the MMPA module;
  • the radio frequency system 1 is used to realize the EN-DC function between the UHF transmission signal and the non-UHF transmission signal through the MMPA module 10, wherein the non-UHF transmission signal includes Any one of low frequency transmission signal, intermediate frequency transmission signal and high frequency transmission signal.
  • the signal sending port and the signal receiving port of each frequency band on the radio frequency transceiver 30 are respectively connected to the amplification circuit of the corresponding frequency band.
  • the low frequency signal sending port and the low frequency signal receiving port of the radio frequency transceiver 302 can be connected to the low frequency Amplifying circuit
  • the intermediate frequency signal sending port and the intermediate frequency signal receiving port of the radio frequency transceiver 30 can be connected to the intermediate frequency amplifying circuit
  • the high frequency signal sending port and the high frequency signal receiving port of the radio frequency transceiver 30 can be connected to the high frequency amplifier circuit
  • the UHF signal receiving port and the UHF signal sending port can be connected to the UHF amplifier circuit, etc.
  • the signal receiving module can also be connected to realize the reception of signals in various frequency bands. There is no unique limitation here.
  • the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, and supports one UHF signal Receive processing simplifies the RF front-end architecture.
  • the target antenna port 804 includes a low-frequency antenna port 805, an intermediate-frequency antenna port 806, and a high-frequency antenna port 807; the target antenna unit 80 includes:
  • the second antenna unit 90 is connected to the low-frequency antenna port 805;
  • the third antenna unit 50 is connected to the intermediate frequency antenna port 806;
  • the fourth antenna unit 60 is connected to the high-frequency antenna port 807 .
  • the radio frequency system 1 further includes:
  • the first power supply module 41 is connected to the low-frequency amplifying circuit 100 of the MMPA module 10, and is used to provide the first power supply voltage for the low-frequency amplifying circuit;
  • the second power supply module 42 is used to connect the intermediate frequency amplifying circuit 200, the high frequency amplifying circuit 300 and the ultrahigh frequency amplifying circuit 400 of the MMPA module 10, and is used for providing the intermediate frequency amplifying circuit 200 and the high frequency amplifying circuit Any circuit in 300 and the ultra-high frequency amplifying circuit 400 provides a second supply voltage;
  • the radio frequency system 1 is used to provide the low frequency amplifying circuit 100 with the first power supply voltage through the first power supply module 41, so as to realize the processing of the low frequency transmission signal, and at the same time to provide the low frequency power supply voltage through the second power supply module 42
  • the first power supply voltage is provided for the IF amplifying circuit 200 or the high frequency amplifying circuit 300 or the UHF amplifying circuit 400 so as to realize the processing of the IF transmitting signal or the high frequency transmitting signal or the UHF transmitting signal.
  • the input voltage of the first power supply module 41 and the second power supply module 42 may be the output voltage of the battery unit, generally between 3.6V-4.2V.
  • the first power supply voltage and the second power supply voltage to power each amplifying circuit, it is possible to avoid adding a boost circuit in the power supply module, so as to reduce the cost of each power supply module.
  • both the first power supply module 41 and the second power supply module 42 may be power management ICs (Power management IC, PMIC).
  • PMIC power management IC
  • a PMIC without a boost circuit can be used to supply power to each amplifying unit.
  • the first power supply voltage and the second power supply voltage may be equal or different.
  • the size of the first power supply voltage and the second power supply voltage may be based on communication requirements and/or The specific structure of each amplifier circuit is set.
  • the first power supply module may include RF PMIC#1
  • the second power supply module may include RF PMIC#2.
  • RF PMIC#1 and RF PMIC#2 do not include a boost circuit, that is, the output voltage of RF PMIC#1 and RF PMIC#2 is less than or equal to the input voltage of RF PMIC#1 and RF PMIC#2.
  • the first power supply module 41 and the second power supply module 42 may both include a Buck Source, and the supply voltage Vcc at the output terminal of the Buck Source is less than or equal to 3.6V.
  • a step-down power supply can be understood as an output voltage lower than the input voltage, that is, a step-down adjustable regulated DC power supply.
  • the radio frequency system includes the first power supply module, the second power supply module and each antenna unit matched with the MMPA module, so that the radio frequency system as a whole supports any of the low frequency, intermediate frequency, high frequency and ultrahigh frequency
  • the target amplifier circuit is any one of the intermediate frequency amplifier circuit, high-frequency amplifier circuit, and ultra-high frequency amplifier circuit, low-frequency signals and other signals can be realized Simultaneous transmission, so that the MMPA module can output two signals at the same time to support the amplification of 4G LTE signals and 5G NR signals, and realize the EN-DC of 4G LTE signals and 5G NR signals.
  • the MMPA module supports 4-antenna SRS function and supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture.
  • the first antenna unit 70 includes:
  • the first antenna 71 is connected to the first UHF antenna port 810;
  • the second antenna 72 is connected to the first SRS port 820;
  • the third antenna 73 is connected to the second SRS port 820;
  • the fourth antenna 74 is connected to the third SRS port 820 .
  • the first antenna 71 supports UHF signals, such as N77
  • the second antenna 72 supports UHF signals, such as N77
  • the third antenna 73 supports UHF signals, such as N77
  • the fourth antenna 74 supports UHF signals Signals such as N77.
  • the first antenna unit since the first antenna unit has four antennas corresponding to the four ports one by one, they are set independently of each other, which improves the flexibility and stability of signal transmission and reception.
  • the radio frequency system further includes:
  • the first radio frequency switch 701 includes a P port and two T ports, the P port is connected to the second antenna, and the first T port is connected to the first SRS port 820;
  • the first receiving module 91 is connected to the second T port of the first radio frequency switch for receiving the UHF signal received by the second antenna;
  • the second radio frequency switch 702 includes a P port and two T ports, the P port is connected to the third antenna, and the first T port is connected to the second SRS port 820;
  • the second receiving module 92 is connected to the second T port of the second radio frequency switch for receiving the UHF signal received by the third antenna;
  • the third radio frequency switch 703 includes a P port and two T ports, the P port is connected to the fourth antenna, and the first T port is connected to the third SRS port 820;
  • the third receiving module 93 is connected to the second T port of the fourth radio frequency switch, and is used for receiving the UHF signal received by the fourth antenna.
  • the first receiving module, the second receiving module, and the third receiving module can be radio frequency low noise amplifier modules (Low noise amplifier front end module, LFEM), and can also be diversity receiving modules with antenna switch modules and filters Module (Diversity Receive Module with Antenna Switch Module and SAW, DFEM), can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA), etc.
  • LFEM radio frequency low noise amplifier front end module
  • DFEM Diversity Receive Module with Antenna Switch Module and SAW, DFEM
  • MLNA Multi band Low Noise Amplifier
  • the first receiving module, the second receiving module, and the third receiving module are connected to the three UHF signal receiving ports of the RF transceiver one by one, and are used to output the received UHF receiving signals to the RF transceiver
  • the device is used to realize the reception of multiple UHF signals.
  • this embodiment of the present application provides a communication device A, including:
  • the radio frequency system 1 described in any embodiment of the present application.
  • the communication device A separates the power supply of the low-frequency signal from the processing circuit of other signals, so that two signals can be transmitted at the same time, and the MMPA module can output two signals at the same time to support 4G
  • the amplification of LTE signal and 5G NR signal realizes the EN-DC of 4G LTE signal and 5G NR signal.
  • the MMPA module supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture, and can reduce circuit insertion loss compared with external switching circuits to combine circuits.
  • the communication device is a mobile phone 1700 as an example for illustration.
  • the communication device is a mobile phone 1700 as an example for illustration.
  • a plurality of programs 1721 wherein the one or more programs 1721 are stored in the above-mentioned memory 1720 and configured to be executed by the above-mentioned processor 1710, and the one or more programs 1721 include methods for performing the following method embodiments Instructions for any of the steps.
  • the communication interface 1730 includes an internal interface and an external interface.
  • the internal interface includes a radio frequency interface, a camera interface, a display interface, and a microphone interface.
  • the external interface may include a CAN interface, an RS232 interface, an RS485 interface, and an I2C interface.
  • the processor 1710 is connected to the radio frequency system 1740 through the internal interface, and the mobile phone is used to communicate with other electronic devices through the external interface.
  • the processor 1710 may be an application processor or a controller, such as a central processing unit (Central Processing Unit, CPU), a general processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application- Specific Integrated Circuit, ASIC), Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. It may implement or execute the various illustrative logical blocks, units and circuits described in connection with the present disclosure.
  • the processor 1710 may also be a combination that implements computing functions, for example, a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
  • the memory 1720 is used to store program codes and data of the mobile phone.
  • the memory 1720 can be volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory.
  • the non-volatile memory can be read-only memory (read-only memory, ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically programmable Erases programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (RAM), which acts as external cache memory.
  • RAM random access memory
  • static random access memory static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory Access memory
  • SDRAM synchronous dynamic random access memory
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • serial link DRAM SLDRAM
  • direct memory bus random access memory direct rambus RAM, DR RAM
  • the radio frequency system 1740 may be the radio frequency system in any of the foregoing embodiments, where the radio frequency system 1740 may also be used to process radio frequency signals of multiple different frequency bands.
  • satellite positioning radio frequency circuits for receiving 1575MHz satellite positioning signals WiFi and Bluetooth transceiver radio frequency circuits for processing 2.4GHz and 5GHz frequency bands of IEEE802. 1900MHz, 2100MHz frequency band, and Sub-6G frequency band) cellular phone transceiver radio frequency circuit for wireless communication.
  • the Sub-6G frequency band may specifically include a 2.496GHz-6GHz frequency band and a 3.3GHz-6GHz frequency band.

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

Abstract

La présente demande fournit un module amplificateur, un système radiofréquence et un dispositif de communication. Un module à MMPA prend en charge : le traitement d'un signal non-ultra-haute fréquence et d'un signal ultra-haute fréquence; une fonction de SRS à quatre antennes; et le traitement de réception d'un signal ultra-haute fréquence. L'architecture frontale de radiofréquence est simplifiée.
PCT/CN2022/106838 2021-08-12 2022-07-20 Module amplificateur, système radiofréquence et dispositif de communication WO2023016217A1 (fr)

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