WO2023016200A1

WO2023016200A1 - Amplifier module, radio frequency system and communication device

Info

Publication number: WO2023016200A1
Application number: PCT/CN2022/106452
Authority: WO
Inventors: 陈锋; 仝林
Original assignee: Oppo广东移动通信有限公司
Priority date: 2021-08-12
Filing date: 2022-07-19
Publication date: 2023-02-16
Also published as: CN113676212A; CN113676212B

Abstract

Disclosed in the present application are an amplifier module, a radio frequency system and a communication device. An MMPA module supports the processing of a non-ultrahigh-frequency signal and an ultrahigh-frequency signal; in addition, the MMPA module supports a 4-antenna SRS function, and supports the reception processing of one ultrahigh-frequency signal, thereby simplifying a radio frequency front-end architecture. In addition, by means of an antenna multiplexing port, an ultrahigh-frequency signal and a high-frequency signal are supported in sharing an antenna. Comparing the present application with a way of externally building a switching circuit for combination so as to achieve corresponding functions, the costs and the layout area are saved on, and a circuit insertion loss is reduced.

Description

Amplifier modules, radio frequency systems and communication equipment

technical field

The present application relates to the technical field of antennas, in particular to an amplifier module, a radio frequency system and communication equipment.

Background technique

For a communication device supporting 5G communication technology, a dual connection mode of 4G signal and 5G signal is usually adopted in a Non-Standalone (NSA) mode. Generally, in order to improve the communication performance in 4G and 5G dual connection mode, multiple power amplifier modules can be set in the radio frequency system, for example, multiple multi-band multi-mode power amplifiers (Multi-band multi-mode power amplifiers) for supporting 4G signal transmission -mode power amplifier, MMPA) and MMPA devices that support 5G signal transmission to achieve dual transmission of 4G signals and 5G signals.

Contents of the invention

Embodiments of the present application provide an amplifier module, a radio frequency system, and communication equipment, which can improve device integration and reduce costs.

In the first aspect, 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 output port through the target selection switch;

UHF amplifier circuit, including:

The UHF transmission circuit is configured to receive and process the UHF transmission signal from the radio frequency transceiver under the second power supply voltage, and output it to the target through the first filter, the coupler and the 3P4T switch in sequence UHF output port;

The first UHF receiving circuit is configured to sequentially receive and process the first UHF receiving signal of the first target UHF input port through the 3P4T switch and the second filter, and output it to the radio frequency transceiver ;

The second UHF receiving circuit is configured to sequentially receive and process the second UHF receiving signal of the second target UHF input port through the 3P4T switch and the third filter, and output it to the radio frequency transceiver ;

Wherein, the first P port of the 3P4T switch is connected to the coupler, the second P port is connected to the second filter, the third P port is connected to the third filter, and the 3P4T switch A T port is configured to be connected to a UHF antenna port, and a T port is configured to be connected to the antenna multiplexing port of the UHF transmit signal/the UHF receive signal and the target frequency band signal, The other two T ports are configured to be respectively connected to two SRS ports; the target UHF output port and the target UHF input port are the two SRS ports and the UHF antenna port, the Any one of the antenna multiplexing ports, the target frequency band signal is a non-UHF signal;

It can be seen that in the embodiment of the present application, an amplifier module, a radio frequency system and a communication device are provided. The MMPA module supports the processing of non-UHF signals and UHF signals, and the MMPA module supports 4-antenna SRS functions , and support the receiving and processing of one UHF signal, which simplifies the RF front-end architecture. In addition, the antenna multiplexing port supports UHF signals and high-frequency signals to share the same antenna, which saves cost and layout area, and reduces circuit insertion loss compared to using external switch circuits to combine circuits to achieve corresponding functions.

In a second aspect, 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 output port through the target selection switch;

The first UHF amplifying unit is sequentially connected to the first filter, the coupler and the 3P4T switch for receiving and processing the UHF transmission signal from the radio frequency transceiver, and sequentially passes through the first filter, the The coupler and the 3P4T switch are output to the target UHF output port;

The second ultra-high frequency amplifying unit is connected to the second filter and the 3P4T switch in sequence, and is used to receive and process the first high frequency of the first target ultra-high frequency input port through the 3P4T switch and the second filter in sequence. Receive the signal at a frequency and output it to the radio frequency transceiver;

The third ultra-high frequency amplifying unit is connected to the third filter and the 3P4T switch in sequence, and is used to receive and process the second high frequency of the second target ultra-high frequency input port through the 3P4T switch and the third filter in sequence. Receive the signal at a frequency and output it to the radio frequency transceiver;

Wherein, the first P port of the 3P4T switch is connected to the coupler, the second P port is connected to the second filter, the third P port is connected to the third filter, and the 3P4T A T port of the switch is configured to be connected to a UHF antenna port, and a T port is configured to be connected to the antenna multiplexing of the UHF transmit signal/the UHF receive signal and the target frequency band signal port, the other two T ports are configured to be connected to two SRS ports respectively; the target UHF output port and the target UHF input port are the two SRS ports and the UHF antenna port . Any one of the multiplexing ports of the antenna, the target frequency band signal is a non-UHF signal.

In a third aspect, 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 UHF receiving port, the first UHF output port for sending the first UHF receiving signal from the antenna and the non-UHF output port for sending the non-UHF transmitting signal, for A second UHF output port for sending the second UHF receiving signal from the antenna, a third UHF output port for sending the UHF transmission signal, and the third UHF output port includes a UHF antenna port, an antenna multiplexing port and two SRS ports, the antenna multiplexing port is the antenna for transmitting the UHF transmission signal/the UHF receiving signal and the antenna for transmitting the target frequency band signal The multiplexing port of the antenna, the target frequency band signal is a non-UHF signal; 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 first filter, the first end of the first filter is connected to the output end of the UHF transmission circuit, and is used to filter the UHF transmission signal;

A first UHF receiving circuit, connected to the first UHF output port, for amplifying the first UHF receiving signal;

a second filter, the first end of the second filter is connected to the input end of the first UHF receiving circuit, and is used to filter the first UHF receiving signal;

A coupler, the first end of the coupler is connected to the second end of the first filter, and is used to detect the power information of the UHF transmission signal, and output the power information through the coupling port;

A second UHF receiving circuit, connected to the second UHF output port, for amplifying the second UHF receiving signal;

a third filter, the first end of the third filter is connected to the input end of the second UHF receiving circuit, and is used to filter the second UHF receiving signal;

A 3P4T switch, the first P port of the 3P4T switch is connected to the third end of the coupler, the second P port is connected to the second end of the second filter, and the third P port is connected to the third At the second end of the filter, one T port of the 3P4T switch is connected to the UHF antenna port, one T port is connected to the antenna multiplexing port, and the other two T ports are connected to the two SRS ports one by one .

In a fourth aspect, 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 UHF antenna port of the MMPA module, and the UHF antenna port includes two SRS ports, a UHF antenna port and an antenna multiplexing 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.

In a fifth aspect, the present application provides a communication device, including:

The radio frequency system as described in the fourth aspect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

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.

Detailed ways

In order to facilitate the understanding of the present application, and to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth to facilitate a full understanding of the application, and preferred embodiments of the application are shown in the accompanying drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive. The present application can be implemented in many other ways that are different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

In addition, the terms "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. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. In the description of the present application, "several" 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. For convenience of description, the devices mentioned above are collectively referred to as communication devices. Network devices may include base stations, access points, and the like.

At present, as shown in FIG. 1A , the architecture of a radio frequency system 1 commonly used in electronic devices such as mobile phones, 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, In addition, 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.

An example of a MMPA module 10 provided in the embodiment of the present application as shown in Figure 1B, 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 second high-frequency power supply port HB_VCC2, the second low-frequency The intermediate frequency power supply port LMB_VCC2, port SCLK1, port SDA1, port VIO1, port VBAT1, port SCLK2, port SDA2, port VIO2, port VBAT2, the MMPA module 10 includes:

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, and 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, and 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 end of the intermediate frequency rear stage PA, and the 5 T ports are connected to the MB1, MB2, MB3, MB4, MB5 in one-to-one correspondence for selecting the guide The path between the intermediate frequency amplifier circuit MB PA and any intermediate frequency signal sending port;

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, and 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, and 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.

In the current solution, in order to support the processing capability of UHF signals, terminal manufacturers need to use an additional power amplifier module that supports UHF. At the same time, 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. In the case of Dual Connectivity, EN-DC), the power supplies of each signal processing circuit are connected together. In this case, 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.

In view of the above problems, the present application provides an amplifier module, a radio frequency system and a communication device, which will be described in detail below.

As shown in Figure 2, the embodiment of the present application provides a multi-band multi-mode power amplifier (Multi-band multi-mode power amplifier, MMPA) module 10, including:

The non-UHF amplifying circuit 100 is configured to receive and process the non-UHF transmission signal from the RF transceiver 30, and output it to the target non-UHF output port 600 through the target selection switch 300;

UHF amplifying circuit 200, including:

The UHF transmission circuit 210 is configured to receive and process the UHF transmission signal from the radio frequency transceiver 30, and output it to the target UHF output port through the first filter 410, the coupler 510 and the 3P4T switch 340 in sequence ;

The first UHF receiving circuit 220 is configured to sequentially receive and process the UHF receiving signal of the target UHF input port through the 3P4T switch 340 and the second filter 420, and output it to the radio frequency transceiver device;

The second UHF receiving circuit 230 is configured to sequentially receive and process the UHF receiving signal of the target UHF input port through the 3P4T switch 340 and the third filter 430, and output to the radio frequency transceiver device;

Wherein, the first P port of the 3P4T switch 340 is connected to the coupler, the second P port is connected to the second filter 420, and the third P port is connected to the third filter 430, One T port of the 3P4T switch is configured to be connected to the antenna multiplexing port 610 of the UHF transmit signal/the UHF receive signal and the target frequency band signal, and one T port is configured to be connected to a UHF antenna port 620, the other two T ports are configured to be connected to two SRS ports 630 respectively; the target UHF output port and the target UHF input port are the two SRS ports and the target UHF input port Any one of the UHF antenna port and the antenna multiplexing port, and the target frequency band signal is a non-UHF signal.

Exemplarily, the SRS port 630 refers to an antenna port for receiving or sending a UHF signal, and the symbol "/" means or.

In a specific implementation, the 3P4T switch 310 is used to select and conduct the signal path between the UHF transmitting circuit 210 and the antenna multiplexing port 610, the UHF antenna port 620 and any one of the two SRS ports 630, so as to Supports the burst function of UHF signals between antennas. Among them, 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. Its main purpose is In order for 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.

It can be seen that in the embodiment of this application, 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 The reception processing simplifies the RF front-end architecture. In addition, through the antenna multiplexing port 610, the UHF signal and the non-UHF signal share one antenna port, which saves a lot of money compared to using an external switch circuit to combine circuits to realize the corresponding functions. cost and layout area, and reduces circuit insertion loss.

In some embodiments, as shown in FIG. 3 , the non-UHF amplifying circuit 100 includes:

The low-frequency amplification circuit 110 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 through the first selection switch 310;

The intermediate frequency amplifying circuit 120 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 through the second selection switch 320;

The high-frequency amplifying circuit 130 is configured to receive the high-frequency transmission signal from the radio frequency transceiver 30 , amplify the high-frequency transmission signal, and output it to a target high-frequency output port through the third selection switch 330 .

For example, the low-frequency signals may include low-frequency signals in 3G, 4G, and 5G networks, the intermediate-frequency signals may include intermediate-frequency signals in 3G, 4G, and 5G networks, and the high-frequency signals may include high-frequency signals in 3G, 4G, and 5G networks. UHF signals may include UHF signals in 5G networks. Table 1 shows the frequency band division of signals of 2G network, 3G network, 4G network, and 5G network.

Table 1

For example, the low-frequency amplification circuit 110 is specifically used to amplify low-frequency transmission signals of 3G networks, 4G networks, and 5G networks; the intermediate-frequency amplification circuit 120 is specifically used to amplify intermediate-frequency signals of 3G networks, 4G networks, and 5G networks; The amplification circuit 130 is specifically used to amplify high-frequency signals of 3G network, 4G network, and 5G network; the ultra-high frequency amplification circuit 400 is specifically used to amplify ultra-high frequency signals of 5G network.

In some embodiments, the low-frequency amplification circuit 110 is configured to receive the low-frequency transmission signal under a first supply voltage;

The intermediate frequency amplifying circuit 120 is configured to receive the intermediate frequency transmission signal under the second power supply voltage;

The high-frequency amplifying circuit 130 is configured to receive the high-frequency transmission signal under the second power supply voltage;

The UHF transmitting circuit is configured to receive the UHF transmitting signal or the UHF receiving signal under the second power supply voltage.

Exemplarily, the first power supply voltage and the second power supply voltage may be less than or equal to 3.6V.

It can be seen that in this example, since the first power supply voltage and the second power supply voltage are powered independently, 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.

In some embodiments, the MMPA module 10 is used to implement dual communication 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. Connect EN-DC function.

As an example, different combinations of EN-DC between the non-UHF transmission signal and the UHF transmission signal are shown in Table 2.

Table 2

4G LTE频段4G LTE frequency band	5G NR频段5G NR frequency band	EN-DCEN-DC
LBLB	MBMB	LB+MBLB+MB
LBLB	HBHB	LB+HBLB+HB
LBLB	UHBUHB	LB+UHBLB+UHB

Specifically, 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+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.

It can be seen that in the embodiment of the present application, the MMPA module can realize dual transmission processing of various signal combinations through independent power supply, and improve device capability.

In some embodiments, as shown in FIG. 4 , the first selection switch 310 can be an SP5T switch, wherein the P port is connected to the output end of the low-frequency amplifier circuit 110, and the five T ports are connected to five of the MMPA modules 10 one by one. LF output ports (LB TX1-5 in the picture), these 5 LF output ports can be optionally connected to the second antenna unit (for example: LF antenna unit), and the target LF output port is any one of the 5 LF output ports.

The second selection switch 320 can be an SP5T switch, wherein the P port is connected to the output end of the intermediate frequency amplifier circuit 120, 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 330 can be a 3P3T switch, the first P port is connected to the output end of the high-frequency amplifier circuit 130, 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 two high-frequency transceiver ports of the MMPA module 10 (shown as HB TRX1 and HB TRX2) in one-to-one correspondence, and the first high-frequency output port and the second high-frequency output port can be connected High-frequency receiving module, the high-frequency receiving module is used to receive high-frequency signals, and the third high-frequency output port and the two high-frequency transceiver ports are connected to the fourth antenna unit (for example: high-frequency antenna unit).

Wherein, 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.

It can be seen that in this example, the MMPA module supports multi-channel flexible processing for low-band, mid-band and high-band radio frequency signals.

Exemplarily, the target frequency band includes a 5G high frequency band, such as frequency band N41 and the like.

It can be seen that in this example, the MMPA module supports UHF signals and high-frequency signals to share the same antenna through the antenna multiplexing port 610. Compared with using an external switch circuit to combine circuits to achieve corresponding functions, it saves cost and layout area, and reduces Circuit insertion loss.

In some possible examples, the UHF transmission circuit 210 includes a single power amplifier, so as to perform power amplification processing on the UHF transmission signal; or,

The UHF transmitting circuit 210 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.

For example, the UHF transmitting circuit 210 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 first filter 410 .

It can be seen that, in this example, the specific implementation manners of the UHF transmitting circuit 210 may be varied, and there is no unique limitation here.

In some possible examples, the first UHF receiving circuit 220 and the second UHF receiving circuit 230 include a single low noise amplifier, so as to perform power amplification processing on the UHF receiving signal.

It can be seen that in this example, the configuration of a single power amplifier simplifies the circuit structure, reduces costs and improves space utilization.

As shown in Figure 5, the embodiment of the present application provides another multi-mode multi-band power amplifier MMPA module 10, including:

The non-UHF amplifying unit 700 is connected to the target selection switch 300, and is used 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 600 through the target selection switch 300 ;

The first UHF amplifying unit 211 is sequentially connected to the first filter 410, the coupler 510 and the 3P4T switch 340 for receiving the UHF transmission signal from the radio frequency transceiver 30, and transmitting the UHF signal to the UHF transmission signal. After the signal is amplified, it is sequentially output to the target UHF output port through the first filter 410, the coupler 510 and the 3P4T switch 340;

The second UHF amplifying unit 221 is sequentially connected to the second filter 420 and the 3P4T switch 340, for receiving the first target UHF input port through the 3P4T switch 340 and the second filter 420 in sequence The first high-frequency receiving signal is amplified and processed to the first UHF receiving signal, and then output to the radio frequency transceiver;

The third UHF amplifying unit 231 is sequentially connected to the third filter 430 and the 3P4T switch 340, for receiving the second target UHF input port through the 3P4T switch 340 and the third filter 430 in sequence The second high-frequency receiving signal is amplified and processed to the second ultra-high frequency receiving signal, and then output to the radio frequency transceiver;

In some embodiments, as shown in FIG. 6, the target selection switch 300 includes a first selection switch 310, a second selection switch 320, and a third selection switch 330; the non-UHF amplification unit 700 includes:

The low-frequency amplification unit 111 is connected to the first selection switch 310, 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 to the target through the first selection switch 310 Low frequency output port 640;

The intermediate frequency amplifying unit 121 is connected to the second selection switch 320 for receiving and processing the intermediate frequency transmission signal from the radio frequency transceiver 30, and after the intermediate frequency transmission signal is amplified, it is output to the target via the second selection switch 320 IF output port 650;

The high-frequency amplifying unit 131 is connected to the third selection switch 330 for receiving and processing the high-frequency transmission signal from the radio frequency transceiver 30, and after the high-frequency transmission signal is amplified, the high-frequency transmission signal is passed through the third selection switch 330 output to the target high-frequency output port 660;

In some embodiments, the low-frequency amplifying unit 111 is powered by a first power supply module;

Exemplarily, the low frequency amplifying unit 111, the intermediate frequency amplifying unit 121, the high frequency amplifying unit 131, the first ultra high frequency amplifying unit 211, the second ultra high frequency amplifying unit 221 and the first Each amplifying unit in the three ultra-high frequency amplifying units 2311 may include a power amplifier to perform power amplifying processing on the received radio frequency signal.

Exemplarily, 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 intermediate frequency amplifying unit 121, the high frequency amplifying unit 131, the first ultra high frequency amplifying unit 211, the second ultra high frequency amplifying unit 221 and the third ultra high frequency amplifying unit 231 pass through the second The power supply module supplies power.

It can be seen that in the embodiment of this application, 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 simultaneously, 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 multi-antenna system can support extremely strong data throughput. The MMPA module supports 4-antenna SRS function, and supports the receiving and processing of one UHF signal to meet the ultra-high transmission rate requirements, and also simplifies the RF front-end architecture. In addition, the antenna multiplexing port supports UHF signals and high-frequency signals to share the same antenna, which saves cost and layout area, and reduces circuit insertion loss compared to using external switch circuits to combine circuits to achieve corresponding functions.

As shown in Figure 7, the embodiment of the present application provides another multi-mode multi-band power amplifier MMPA module 10, including:

It is configured with a non-UHF receiving port 810 for receiving non-UHF transmission signals of the RF transceiver 30, a UHF receiving port 840 for receiving the UHF transmission signals of the RF transceiver 30, and a UHF receiving port 840 for receiving the UHF transmission signals of the RF transceiver 30. A first UHF output port 830 for sending a first UHF receive signal from the antenna, a second UHF output port 820 for sending a second UHF receive signal from the antenna, and a second UHF output port 820 for sending the non- A non-UHF output port 600 for UHF transmission signals, a second UHF output port for sending said UHF transmission signals, a port 620 for sending or receiving, target frequency band signals, and two SRS Port 630, the antenna multiplexing port 610 is a multiplexing port of the antenna transmitting the UHF transmit signal/the UHF receiving signal and the antenna transmitting the target frequency band signal, and the target frequency band signal is a non- UHF signal; the MMPA module 10 includes:

A non-UHF amplifying circuit 100, connected to the non-UHF receiving port 810, for amplifying the non-UHF transmission signal;

The target selection switch 300 is connected to the output terminal of the non-UHF amplifying circuit 100 and the non-UHF output port 600, and is used for selectively conducting the non-UHF amplifying circuit 100 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 600;

UHF transmitting circuit 210, connected to the UHF receiving port 840, for amplifying and processing the UHF transmitting signal;

A first filter 410, the first end of the first filter is connected to the output end of the UHF transmission circuit, and is used to filter the UHF transmission signal;

The first UHF receiving circuit 220 is connected to the UHF receiving port 830 for amplifying the first UHF receiving signal;

A second filter 420, the first end of the second filter is connected to the input end of the first UHF receiving circuit 220, for filtering the first UHF receiving signal;

A coupler 510, the first end of the coupler 510 is connected to the second end of the first filter 410, for detecting the power information of the UHF transmission signal, and passing the power information through the coupling port output;

The second UHF receiving circuit 230 is connected to the UHF receiving port 820, and is used to amplify the second UHF receiving signal;

A third filter 430, the first end of the third filter 430 is connected to the input end of the second UHF receiving circuit 230, for filtering the second UHF receiving signal;

3P4T switch 340, the first P port of the 3P4T switch is connected to the third end of the coupler, the second P port is connected to the second end of the second filter 420, and the third P port is connected to the At the second end of the third filter 430, a T port of the 3P4T switch is configured to be connected to a UHF antenna port, and a T port is configured to be connected to the UHF transmission signal/the UHF frequency receiving signal and the antenna multiplexing port of the target frequency band signal, and the other two T ports are configured to be connected to two SRS ports respectively; the target UHF output port and the target UHF input port are the Any one of the two SRS ports, the UHF antenna port, and the antenna multiplexing port, and the target frequency band signal is a non-UHF signal.

In some possible examples, as shown in FIG. 8, the non-UHF receiving port 810 includes:

The low frequency receiving port 811 for receiving the low frequency transmission signal of the radio frequency transceiver 30;

An intermediate frequency receiving port 812 for receiving the intermediate frequency transmission signal of the radio frequency transceiver 30; and

A high-frequency receiving port 813 for receiving the high-frequency transmission signal of the radio frequency transceiver 30;

The non-UHF output port 600 includes:

a low frequency output port 601 for sending the low frequency transmission signal;

an intermediate frequency output port 602 for sending the intermediate frequency transmit signal; and

A high-frequency output port 603 for sending the high-frequency transmission signal.

In some possible examples, as shown in FIG. 9, the MMPA module 10 is also configured with a first power supply port 841 and a second power supply port 842; the target selection switch 300 includes a first selection switch 310, a second Selector switch 320 and the third selector switch 330; The non-UHF amplifier circuit 100 includes a low frequency amplifier circuit 110, an intermediate frequency amplifier circuit 120 and a high frequency amplifier circuit 130;

The low-frequency amplifying circuit 110 is connected to the low-frequency receiving port 811 and the first power supply port 841, and is used to amplify the low-frequency transmission signal under the first power supply voltage of the first power supply port 841;

The first selection switch 310 is connected to the output terminal of the low frequency amplifier circuit 110 and the low frequency output port 601, and is used to select and conduct the path between the low frequency amplifier circuit 110 and the target low frequency output port, the target The low-frequency output port is any one of the low-frequency output ports 811;

The intermediate frequency amplifying circuit 120 is connected to the intermediate frequency receiving port 812 and the second power supply port 842, and is used to amplify the intermediate frequency transmission signal under the second power supply voltage of the second power supply port 842 deal with;

The second selection switch 320 is connected to the output end of the intermediate frequency amplifier circuit 120 and the intermediate frequency output port 602, and is used to select and conduct the path between the intermediate frequency amplifier circuit 120 and the target intermediate frequency output port. The intermediate frequency output port is any one of the intermediate frequency output ports 812;

The high-frequency amplifying circuit 130 is connected to the high-frequency receiving port 813 and the second power supply port 842, and is used for transmitting the high-frequency The signal is amplified;

The third selection switch 330 is connected to the output terminal of the high frequency amplifier circuit 130 and the high frequency output port 603, and is used to select and conduct the path between the high frequency amplifier circuit 130 and the target high frequency output port , the target high-frequency output port is any one of the high-frequency output ports 813;

The UHF transmission circuit 210 is configured to amplify the UHF transmission signal under the second power supply voltage of the second power supply port 842;

The first UHF receiving circuit 220 is configured to amplify the UHF receiving signal under the second power supply voltage of the second power supply port 842 .

The second UHF receiving circuit 230 is configured to amplify the UHF receiving signal under the second power supply voltage of the second power supply port 842 .

It should be noted that 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.

It can be seen that in the embodiment of this application, 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. In addition, the antenna multiplexing port 610 supports UHF signals and high-frequency signals sharing the same antenna. Compared with using an external switch circuit to combine circuits to realize corresponding functions, it saves cost and layout area, and reduces circuit insertion loss.

As an example, as shown in FIG. 10, a schematic structural diagram of a MMPA module 10 provided by the embodiment of the present application, the MMPA module 10 includes the low-frequency processing circuit and related ports in the MMPA module 10 shown in FIG. 1B, In addition to the intermediate frequency processing circuit and related ports, the high frequency processing circuit and related ports, the first controller (shown as CMOS Controller1), the second controller (shown as CMOS Controller2) and related ports, it is also configured to receive radio frequency The UHF receiving port of the N77 frequency band signal of the transceiver (n77 TX IN in the figure), the UHF antenna port (n77 ANT2 in the figure) for sending the N77 frequency band signal to the RF transceiver, and 2 SRS ports ( The picture shows SRS OUT1, SRS OUT2), N77 frequency band and N41 frequency band antenna multiplexing port (the picture shows N77/N41 ANT1)), coupling port (shown as CPL_OUT), the first medium-high-ultra-high-frequency power supply port MHB_UHB_VCC1, the second Two medium-high-ultra-high-frequency power supply ports MHB_UHB_VCC2, the first low-frequency power supply port LB_VCC1, and the second low-frequency power supply port LB_VCC2; the 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 radio frequency transceiver through the port n77 TX IN, perform amplification processing, and output it to the target ultra-high frequency signal through the first filter, coupler and 3P4T switch. High-frequency output port, the target UHF output port is any one of port SRS OUT1, port SRS OUT2, port N77 ANT2, port N77/N41 ANT1;

The first UHF receiving circuit (shown as a low-noise filter connected to port n77 RX1) is used to receive and process UHF signals through the target UHF receiving port, the second filter and the 3PDT switch, and pass through the port n77 RX1 sends to the RF transceiver, and the target UHF receiving port is any one of port SRS OUT1, port SRS OUT2, N77 ANT2, and port N77/N41 ANT1;

The second UHF receiving circuit (shown as a low-noise filter connected to port n77 RX2) is used to receive and process UHF signals through the target UHF receiving port, the third filter and the 3PDT switch, and pass through the port n77 RX2 sends to the RF transceiver, and the target UHF receiving port is any one of port SRS OUT1, port SRS OUT2, port N77 ANT2, port N77/N41 ANT1;

As shown in Figure 11, the embodiment of the present application provides a radio frequency system 1, including:

The MMPA module 10 described in any embodiment of the present application;

A radio frequency transceiver 30, connected to the MMPA module 10, for sending and/or receiving UHF signals and non-UHF signals;

The first antenna unit 90 is connected to the UHF antenna port of the MMPA module 10, and the UHF antenna port includes an antenna multiplexing port 610, a UHF antenna port 620 and two SRS ports 630;

The target antenna unit 80 is connected to the target antenna port 604 of the MMPA module 10;

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.

It can be seen that in the embodiment of the present application, the radio frequency system includes an MMPA module, and 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 it supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture. In addition, through the antenna multiplexing port 610, the UHF signal and the non-UHF signal share one antenna port, which is better than using an external switch circuit to combine Circuits are used to realize corresponding functions, which saves cost and layout area, and reduces circuit insertion loss.

In some embodiments, as shown in FIG. 12 , the target antenna port 604 includes a low-frequency antenna port 601, an intermediate-frequency antenna port 602, and a high-frequency antenna port 603; the target antenna unit 80 includes:

The second antenna unit 40 is connected to the low-frequency antenna port 801;

The third antenna unit 50 is connected to the intermediate frequency antenna port 802;

The fourth antenna unit 60 is connected to the high-frequency antenna port 803 .

In some embodiments, as shown in Figure 13, the radio frequency system further includes:

The first power supply module 21 is connected to the low-frequency amplifying circuit 110 of the MMPA module 10, and is used to provide the first power supply voltage for the low-frequency amplifying circuit 110;

The second power supply module 22 is used to connect the intermediate frequency amplifying circuit 120, the high frequency amplifying circuit 130 and the ultrahigh frequency amplifying circuit 200 of the MMPA module 10, and is used for providing the intermediate frequency amplifying circuit 120 and the high frequency amplifying circuit Any circuit in 130 and the ultra-high frequency amplifying circuit 200 provides a second supply voltage;

The radio frequency system 10 is used to provide the low frequency amplifying circuit 110 with the first power supply voltage through the first power supply module 21, so as to realize the processing of the low frequency transmission signal, and at the same time to provide the low frequency amplifying circuit 110 with the first power supply voltage through the second power supply module 22. The first power supply voltage is provided for the IF amplifying circuit 120 or the high frequency amplifying circuit 130 or the UHF amplifying circuit 200 so as to realize the processing of the IF transmission signal or the high frequency transmission signal or the UHF transmission signal.

For example, the input voltage of the first power supply module 21 and the second power supply module 22 may be the output voltage of the battery unit, generally between 3.6V-4.2V. By using 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.

Specifically, both the first power supply module 21 and the second power supply module 22 may be power management ICs (Power management IC, PMIC). When the radio frequency signal is amplified by means of power combining, a PMIC without a boost circuit can be used to supply power to each amplifying unit.

For example, the first power supply voltage and the second power supply voltage may be equal or different. In the embodiment of the present application, there is no unique limitation on the size of the first power supply voltage and the second power supply voltage, which may be based on communication requirements and/or The specific structure of each amplifier circuit is set. In addition, the first power supply module may include RF PMIC#1, and 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.

In some embodiments, both the first power supply module and the second power supply module may 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.

It can be seen that in the embodiment of the present application, 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 For the processing of RF signals in a frequency band, since the low-frequency amplifier circuit and the target amplifier circuit are powered independently, and 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. 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. In addition, the antenna multiplexing port 610 supports UHF signals and high-frequency signals sharing the same antenna. Compared with using an external switch circuit to combine circuits to realize corresponding functions, it saves cost and layout area, and reduces circuit insertion loss.

In some embodiments, as shown in FIG. 14, the first antenna unit 90 includes:

The first antenna 31 is connected to the antenna multiplexing port 610;

The second antenna 32 is connected to the UHF antenna port 620;

The third antenna 33 is connected to the first SRS port 630;

The fourth antenna 34 is connected to the second SRS port 630 .

For example, the first antenna 31 supports UHF signals, such as N77/N41; the second antenna 32 supports UHF signals, such as N77; the third antenna 33 supports UHF signals, such as N77; the fourth antenna 34 supports UHF signals. High frequency signal, such as N77.

It can be seen that in this example, since the first antenna unit has five 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.

In some embodiments, as shown in Figure 15, the radio frequency system further includes:

Target frequency band power amplification module 70, including:

The first radio frequency switch 71 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 first SRS port;

The first receiving module 81 is connected to the second T port of the first radio frequency switch for receiving the UHF signal received by the third antenna;

The second radio frequency switch 72 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 second SRS port;

The second receiving module 82 is connected to the second T port of the second radio frequency switch for receiving the UHF signal received by the fourth antenna;

For example, the first receiving module and the second receiving module can be radio frequency low noise amplifier module (Low noise amplifier front end module, LFEM), can also be the diversity receiving module (Diversity Receive module) with antenna switch module and filter Module with Antenna Switch Module and SAW, DFEM), can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA) and so on.

For example, the first receiving module and the second receiving module are connected to the two UHF signal receiving ports of the RF transceiver in one-to-one correspondence, and are used to output the received UHF receiving signals to the RF transceiver to realize multi-channel Reception of UHF signals.

It can be seen that in this example, by controlling four UHF signal receiving channels to receive UHF signals at the same time, the 4*4MIMO function for UHF signals can be realized, and the receiving and transmitting performance of the RF system for 5G UHF signals can be improved. .

As shown in Figure 16, 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.

For example, 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. Specifically, the low frequency signal sending port and the low frequency signal receiving port of the radio frequency transceiver 30 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 radio frequency transceiver 30 The UHF signal receiving port and the UHF signal sending port can be connected to the UHF amplifier circuit, etc. In addition, the signal receiving module can also be connected to realize the reception of signals in various frequency bands. There is no unique limitation here.

It can be seen that in the embodiment of the present application, the communication device includes a radio frequency system, and the radio frequency system includes an MMPA module. 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 function, and supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture. In addition, through the antenna multiplexing port 610, the UHF signal and the non-UHF signal share one antenna port, compared with Using an external switch circuit to decombine to realize the corresponding function saves cost and layout area, and reduces circuit insertion loss.

As shown in Figure 17, further, the communication device is a mobile phone 900 as an example for illustration, specifically, as shown in Figure 17, the mobile phone 900 may include a processor 91, a memory 92 (which optionally includes one or more computer readable storage medium), communication interface 93, radio frequency system 94, input/output (I/O) subsystem 96. These components optionally communicate via one or more communication buses or signal lines 99 . Those skilled in the art can understand that the mobile phone 900 shown in FIG. 17 is not limited to the mobile phone, and may include more or less components than shown in the figure, or combine some components, or arrange different components. The various components shown in FIG. 17 are implemented in hardware, software, or a combination of both hardware and software, including one or more signal processing and/or application specific integrated circuits.

Processor 91 and other control circuits, such as control circuits in radio frequency system 94 , may be used to control the operation of handset 900 . The processor 91 may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, and the like.

The processor 91 may be configured to implement a control algorithm that controls the use of antennas in the handset 900 . The processor 91 may also issue control commands and the like for controlling switches in the radio frequency system 94 .

The memory 92 can be used to store software programs and modules, and the processor 91 executes various functional applications and data processing by running the software programs and modules stored in the memory 92 . The memory 92 may mainly include an area for storing programs and an area for storing data. In addition, the memory 92 may include high-speed random access memory, and may also include non-volatile solid-state memory (non-volatile memory), for example: at least one magnetic disk storage device, flash memory device, or other volatile solid-state memory devices. Correspondingly, the memory 92 may also include a memory controller to provide the processor 91 and the input unit 91 with access to the memory 92 .

I/O subsystem 96 couples input/output peripherals on handset 900 such as a keypad and other input control devices to communication interface 93 . I/O subsystem 96 optionally includes a touch screen, keys, tone generator, accelerometer (motion sensor), ambient light sensor and other sensors, light emitting diodes and other status indicators, data ports, and the like. Exemplarily, a user may control the operation of handset 900 by supplying commands via I/O subsystem 96 and may use the output resources of I/O subsystem 96 to receive status information and other output from handset 900 . For example, the user can turn on or turn off the mobile phone by pressing the button 961 .

The communication interface 93 includes an internal interface and an external interface. The internal interface may be a data transmission interface, a wireless communication interface, etc.; the external interface may be a mobile phone charging interface, an earphone insertion interface, and the like.

The radio frequency system 94 may be the radio frequency system in any of the foregoing embodiments, wherein the radio frequency system 94 may also be used to process radio frequency signals of multiple different frequency bands. For example, 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. Wherein, the Sub-6G frequency band may specifically include a 2.496GHz-6GHz frequency band and a 3.3GHz-6GHz frequency band.

Any reference to memory, storage, database, or other medium as used herein may include non-volatile and/or volatile memory. Nonvolatile memory can include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in many forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchronous Synchlink DRAM (SLDRAM), Memory Bus (Rambus) Direct RAM (RDRAM), Direct Memory Bus Dynamic RAM (DRDRAM), and Memory Bus Dynamic RAM (RDRAM).

The above examples only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims

A multi-mode multi-band power amplifier MMPA module is characterized in that it includes:

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 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 RF transceiver, and output it to the target UHF output port sequentially through the first filter, the coupler and the 3P4T switch;

The first UHF receiving circuit is configured to sequentially receive and process the first UHF receiving signal of the first target UHF input port through the 3P4T switch and the second filter, and output it to the radio frequency transceiver ;

The second UHF receiving circuit is configured to sequentially receive and process the second UHF receiving signal of the second target UHF input port through the 3P4T switch and the third filter, and output it to the radio frequency transceiver ;

Wherein, the first P port of the 3P4T switch is connected to the coupler, the second P port is connected to the second filter, the third P port is connected to the third filter, and the 3P4T One T port of the switch is configured to be connected to the UHF antenna port, and one T port is configured to be connected to the antenna multiplexing port of the UHF transmit signal/the UHF receive signal and the target frequency band signal , the other two T ports are configured to be connected to two SRS ports respectively; the target UHF output port and the target UHF input port are the two SRS ports and the UHF antenna port, Any one of the multiplexing ports of the antenna, and the target frequency band signal is a non-UHF signal.
MMPA module according to claim 1, is characterized in that, described non-UHF amplifying circuit comprises:

The low-frequency amplifying circuit is configured to receive the low-frequency transmission signal from the radio frequency transceiver, and after amplifying the low-frequency transmission signal, output it to the target low-frequency output port through the first selection switch;

The intermediate frequency amplifying circuit is configured to receive the intermediate frequency transmission signal from the radio frequency transceiver, and after amplifying the intermediate frequency transmission signal, output it to the target intermediate frequency output port through the second selection switch;

The high-frequency amplifying circuit is configured to receive the high-frequency transmission signal from the radio frequency transceiver, amplify the high-frequency transmission signal, and output the high-frequency transmission signal to the target high-frequency output port through the third selection switch.
MMPA module according to claim 2, is characterized in that,

The low-frequency amplifying circuit is configured to receive the low-frequency transmission signal under a first power supply voltage;

The intermediate frequency amplifying circuit is configured to receive the intermediate frequency transmission signal under the second power supply voltage;

The high-frequency amplifying circuit is configured to receive the high-frequency transmission signal under the second power supply voltage;

The UHF amplifying circuit is configured to receive the UHF transmission signal or the UHF reception signal under the second power supply voltage.
The MMPA module according to claim 3, wherein the MMPA module is used to realize the connection between the fourth-generation 4G wireless access network and the fourth-generation 4G wireless access network between the non-UHF transmission signal and the UHF transmission signal. The dual connection EN-DC function of the fifth-generation 5G new air interface NR.
The MMPA module according to any one of claims 1-4, wherein the target frequency band signal comprises a radio frequency signal of a high frequency band;

The antenna multiplexing port is used to receive the target frequency band reception signal from the target antenna, and output the target frequency band reception signal through the 3P4T switch and the transceiver port in turn, and the target antenna is connected to the antenna multiplexing port Antennas for transmitting signals in the target frequency band.
The MMPA module according to claim 5, wherein the ultra-high frequency transmitting circuit includes a single power amplifier, so as to realize power amplification processing on the ultra-high frequency transmitting signal; or,

The UHF transmission circuit includes a plurality of power amplifiers and a power combination unit, which implements power amplification processing of the UHF transmission signal in a power combination manner.
The MMPA module according to claim 6, wherein the ultra-high frequency receiving circuit includes a single low-noise amplifier to implement power amplification processing on the ultra-high frequency receiving signal.
A kind of MMPA module is characterized in that, comprises:

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 output port through the target selection switch;

The first UHF amplifying unit is sequentially connected to the first filter, the coupler and the 3P4T switch for receiving and processing the UHF transmission signal from the radio frequency transceiver, and sequentially passes through the first filter, the The coupler and the 3P4T switch are output to the target UHF output port;

The second ultra-high frequency amplifying unit is connected to the second filter and the 3P4T switch in sequence, and is used to receive and process the first high frequency of the first target ultra-high frequency input port through the 3P4T switch and the second filter in sequence. Receive the signal at a frequency and output it to the radio frequency transceiver;

The third ultra-high frequency amplifying unit is connected to the third filter and the 3P4T switch in sequence, and is used to receive and process the second high frequency of the second target ultra-high frequency input port through the 3P4T switch and the third filter in sequence. Receive the signal at a frequency and output it to the radio frequency transceiver;

Wherein, the first P port of the 3P4T switch is connected to the coupler, the second P port is connected to the second filter, the third P port is connected to the third filter, and the 3P4T A T port of the switch is configured to be connected to a UHF antenna port, and a T port is configured to be connected to the antenna multiplexing of the UHF transmit signal/the UHF receive signal and the target frequency band signal port, the other two T ports are configured to be connected to two SRS ports respectively; the target UHF output port and the target UHF input port are the two SRS ports and the UHF antenna port . Any one of the multiplexing ports of the antenna, the target frequency band signal is a non-UHF signal.
The MMPA module according to claim 8, wherein the target selection switch comprises a first selection switch, a second selection switch and a third selection switch; the non-UHF amplifying unit comprises:

A low-frequency amplifying unit, connected to the first selection switch, for receiving and processing the low-frequency transmission signal from the radio frequency transceiver, and outputting it to the target low-frequency output port through the first selection switch;

An intermediate frequency amplifying unit, connected to the second selection switch, is used to receive and process the intermediate frequency transmission signal from the radio frequency transceiver, and output it to the target intermediate frequency output port through the second selection switch;

A high-frequency amplifying unit, connected to the third selection switch, is used to receive and process the high-frequency transmission signal from the radio frequency transceiver, and output it to a target high-frequency output port through the third selection switch.
The MMPA module according to claim 9, wherein the low frequency amplifying unit is powered by a first power supply module;

The intermediate frequency amplifying unit, the high frequency amplifying unit, the first ultra high frequency amplifying unit and the second ultra high frequency amplifying unit are powered by a second power supply module.
A MMPA module, characterized in that it is configured with a non-UHF receiving port for receiving a non-UHF transmission signal of a radio frequency transceiver, an ultrahigh frequency port for receiving a UHF transmission signal of the radio frequency transceiver frequency receiving port, a first UHF output port for sending the first UHF receiving signal from the antenna and a non-UHF output port for sending the non-UHF transmitting signal, and a non-UHF output port for sending the first UHF receiving signal from the antenna The second UHF output port of the second UHF receive signal, the third UHF output port for sending the UHF transmit signal, the third UHF output port includes a UHF Antenna port, an antenna multiplexing port and two SRS ports, the antenna multiplexing port is the multiplexing of the antenna transmitting the UHF transmission signal/the UHF receiving signal and the antenna transmitting the target frequency band signal With a port, the target frequency band signal is a non-UHF signal; 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 first filter, the first end of the first filter is connected to the output end of the UHF transmission circuit, and is used to filter the UHF transmission signal;

A first UHF receiving circuit, connected to the first UHF output port, for amplifying the first UHF receiving signal;

a second filter, the first end of the second filter is connected to the input end of the first UHF receiving circuit, and is used to filter the first UHF receiving signal;

A coupler, the first end of the coupler is connected to the second end of the first filter, and is used to detect the power information of the UHF transmission signal, and output the power information through the coupling port;

A second UHF receiving circuit, connected to the second UHF output port, for amplifying the second UHF receiving signal;

a third filter, the first end of the third filter is connected to the input end of the second UHF receiving circuit, and is used to filter the second UHF receiving signal;

A 3P4T switch, the first P port of the 3P4T switch is connected to the third end of the coupler, the second P port is connected to the second end of the second filter, and the third P port is connected to the third At the second end of the filter, one T port of the 3P4T switch is connected to the UHF antenna port, one T port is connected to the antenna multiplexing port, and the other two T ports are connected to the two SRS ports one by one .
The MMPA module according to claim 11, characterized in that, the non-UHF receiving port comprises:

A low-frequency receiving port for receiving low-frequency transmission signals of the radio frequency transceiver;

an intermediate frequency receiving port for receiving an intermediate frequency transmission signal of the radio frequency transceiver; and

A high-frequency receiving port for receiving the high-frequency transmission signal of the radio frequency transceiver;

The non-UHF output ports include:

a low frequency output port for sending the low frequency transmission signal;

an intermediate frequency output port for sending the intermediate frequency transmit signal; and

A high-frequency output port for sending the high-frequency transmission signal.
The MMPA module according to claim 12, wherein the MMPA module is also configured with a first power supply port and a second power supply port; the target selection switch includes a first selection switch, a second selection switch, and a second selection switch. third selector switch;

The low-frequency amplifying circuit is connected to the low-frequency receiving port and the first power supply port, and is used to amplify the low-frequency transmission signal under the first power supply voltage of the first power supply port;

The first selection switch is connected to the output terminal of the low-frequency amplifier circuit and the low-frequency output port, and is used to select and conduct the path between the low-frequency amplifier circuit and the target low-frequency output port, and the target low-frequency output port is Any one of the low frequency output ports;

The intermediate frequency amplifying circuit is connected to the intermediate frequency receiving port and the second power supply port, and is used to amplify the intermediate frequency transmission signal under the second power supply voltage of the second power supply port;

The second selection switch is connected to the output terminal of the intermediate frequency amplifier circuit and the intermediate frequency output port, and is used to select and conduct the path between the intermediate frequency amplifier circuit and the target intermediate frequency output port, and the target intermediate frequency output port is Any one of the intermediate frequency output ports;

The high-frequency amplifying circuit is connected to the high-frequency receiving port and the second power supply port, and is used to amplify the high-frequency transmission signal under the second power supply voltage of the second power supply port ;

The third selection switch is connected to the output end of the high-frequency amplifier circuit and the high-frequency output port, and is used to select and conduct the path between the high-frequency amplifier circuit and the target high-frequency output port, and the target The high-frequency output port is any one of the high-frequency output ports;

The UHF transmission circuit is connected to the second power supply port, and is used to amplify the UHF transmission signal under the second power supply voltage of the second power supply port;

The first UHF receiving circuit is connected to the second power supply port, and is used to amplify the first UHF transmission signal under the second power supply voltage of the second power supply port ;

The second UHF receiving circuit is connected to the second power supply port, and is used for amplifying the second UHF transmission signal under the second power supply voltage of the second power supply port.
A radio frequency system, characterized in that it comprises:

The MMPA module as claimed in any one of claims 1-13;

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 UHF antenna port of the MMPA module, and the UHF antenna port includes two SRS ports, a UHF antenna port and an antenna multiplexing 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 radio frequency system according to claim 14, wherein the target antenna unit comprises:

The second antenna unit is connected to the low-frequency antenna port of the MMPA module;

The third antenna unit is connected to the intermediate frequency antenna port of the MMPA module;

The fourth antenna unit is connected to the high-frequency antenna port of the MMPA module.
The radio frequency system according to claim 15, wherein the radio frequency system further comprises:

The first power supply module is connected to the low-frequency amplifying circuit of the MMPA module, and is used to provide a first power supply voltage for the low-frequency amplifying circuit;

The second power supply module is used to connect the intermediate frequency amplifier circuit, the high frequency amplifier circuit and the ultrahigh frequency amplifier circuit of the MMPA module, and is used to provide the intermediate frequency amplifier circuit, the high frequency amplifier circuit and the ultrahigh frequency amplifier circuit Any circuit in the amplifying circuit provides a second power supply voltage;

The radio frequency system is used to provide the low frequency amplifying circuit with the first power supply voltage through the first power supply module, so as to realize the processing of the low frequency transmission signal, and to provide the intermediate frequency power supply voltage through the second power supply module at the same time. The amplifying circuit or the high frequency amplifying circuit or the ultra high frequency amplifying circuit provides the first power supply voltage to realize the processing of the intermediate frequency transmitting signal or the high frequency transmitting signal or the ultra high frequency transmitting signal.
The radio frequency system according to any one of claims 14-16, wherein the first antenna unit comprises:

The first antenna is connected to the multiplexing port of the antenna;

The second antenna is connected to the UHF antenna port;

The third antenna, connected to the first SRS port;

The fourth antenna, connected to the second SRS port.
The radio frequency system according to claim 17, wherein the radio frequency system further comprises:

Target frequency band power amplifier module, including:

The target frequency band transmission circuit is used to receive and process the target frequency band transmission signal from the radio frequency transceiver, and after amplifying the ultra-high frequency transmission signal, it is output to the first filter, coupler and 3P4T switch in sequence Target UHF output port;

The first target frequency band receiving circuit is configured to sequentially receive the target frequency band reception signal from the target antenna through the 3P4T switch and the second filter, amplify the target frequency band reception signal, and output it to the radio frequency transceiver;

The second target frequency band receiving circuit is configured to sequentially receive the target frequency band reception signal from the target antenna through the 3P4T switch and the third filter, amplify the target frequency band reception signal, and output it to the radio frequency transceiver.
The radio frequency system according to claim 18, wherein the radio frequency system further comprises:

The first radio frequency switch 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 first SRS port;

The first receiving module is connected to the second T port of the first radio frequency switch, and is used to receive the UHF signal received by the third antenna;

The second radio frequency switch 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 second SRS port;

The second receiving module is connected to the second T port of the second radio frequency switch, and is used for receiving the UHF signal received by the fourth antenna.
A communication device, characterized in that it includes:

A radio frequency system as claimed in any one of claims 14-19.