CN219068195U

CN219068195U - Radio frequency circuit and intelligent terminal

Info

Publication number: CN219068195U
Application number: CN202223187841.7U
Authority: CN
Inventors: 宋祖防
Original assignee: Shenzhen Taihengnuo Technology Co ltd
Current assignee: Shenzhen Taihengnuo Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-23
Anticipated expiration: 2032-11-29

Abstract

The application provides a radio frequency circuit and an intelligent terminal, wherein the radio frequency circuit comprises a transceiver, a transmitting module, a receiving module and a communication antenna; the transmitting module is connected with the communication antenna and is used for receiving the uplink signals sent by the transceiver and sending the uplink signals through the communication antenna; the receiving module is connected with the communication antenna and is used for receiving downlink signals through the communication antenna and sending the downlink signals to the transceiver; the transmitting module comprises a first controller, wherein the first controller is used for configuring the transmitting module; the receiving module comprises a second controller, and the second controller is used for configuring the receiving module. The radio frequency circuit and the intelligent terminal can integrate uplink channels of different systems, and downlink channels of different systems are additionally integrated, so that the uplink channels and the downlink channels are respectively configured through separate controllers, and the area and cost of an ornament and the design complexity of software and hardware can be reduced.

Description

Radio frequency circuit and intelligent terminal

Technical Field

The application relates to the technical field of radio frequency circuits, in particular to a radio frequency circuit and an intelligent terminal.

Background

In the use of 5G handsets, SA radio architecture is a trend towards future 5G solutions. The radio frequency front-end circuit of the current SA radio frequency circuit architecture mainly comprises a transceiver, four transceiver modules and devices, the amplification, gain and channel selection of signals are realized by the control of a logic controller through a mipi protocol, and in addition, the compatibility of communication signals of different systems is realized by matching with a duplexer or a filter of each frequency band.

In the process of conception and implementation of the application, the inventor finds that at least the following problems exist, and the scheme needs four transceiver modules, so that the area of the ornament is large; at least four mipi logic controllers are needed for each module, the hardware circuit connection and the software configuration are complex, and the cost is high.

The foregoing description is provided for general background information and does not necessarily constitute prior art.

Disclosure of Invention

Aiming at the technical problems, the application provides a radio frequency circuit and an intelligent terminal.

The application provides a radio frequency circuit, which comprises a transceiver, a transmitting module, a receiving module, a first controller, a second controller and a communication antenna;

the transmitting module is connected with the communication antenna and is used for receiving the uplink signals sent by the transceiver and sending the uplink signals through the communication antenna;

the receiving module is connected with the communication antenna and is used for receiving downlink signals through the communication antenna and sending the downlink signals to the transceiver;

the first controller is used for configuring the transmitting module;

the second controller is used for configuring the receiving module.

Optionally, the communication antenna in the radio frequency circuit includes a first antenna for processing a first standard communication signal and a second antenna for processing a second standard communication signal, and the radio frequency circuit further includes a TXM module, where the TXM module is connected to the first antenna, the transmitting module, and the receiving module respectively.

Optionally, the transmitting module in the radio frequency circuit includes a first system power amplifier and/or a second system power amplifier.

Optionally, the first-system power amplifier is connected between the transceiver and the TXM module, and a control end of the first-system power amplifier is connected with the first controller, so as to amplify the power of the transmission signal of the first system.

Optionally, the second-system power amplifier is connected between the transceiver and the second antenna, and the second-system power amplifier is connected with the first controller, so as to amplify the power of the transmission signal of the second system.

Optionally, the transmitting module in the radio frequency circuit further includes a duplexer and/or an uplink filter, and the duplexer and/or the uplink filter are connected between the first standard power amplifier and the TXM module.

Optionally, the transmitting module in the radio frequency circuit further includes a first switch, the first switch is connected between the first standard power amplifier and the duplexer and/or the uplink filter, and a control end of the first switch is connected with the first controller.

Optionally, the first-system power amplifier in the radio frequency circuit includes a first frequency band power amplifier, a second frequency band power amplifier and a third frequency band power amplifier connected between the transceiver and the TXM module, where the first frequency band power amplifier is configured to send a first frequency band signal of the first system; the second frequency band power amplifier is used for sending a second frequency band signal of the first system; and the third frequency band power amplifier is used for transmitting the third frequency band signal of the first system.

Optionally, the transmitting module in the radio frequency circuit includes an active filter and a second switch that are respectively connected to the first controller, a first end of the second switch is connected to the second-system power amplifier, and a second end of the second switch is connected to the second antenna through the active filter, so as to transmit the communication signal of the second system.

Optionally, the receiving module in the radio frequency circuit further includes a low-noise amplifier, and the low-noise amplifier is connected between the third end of the second switch and the transceiver, so as to amplify the received communication signal of the second system;

and the control end of the low-noise amplifier is connected with the second controller.

Optionally, the low-noise amplifier in the radio frequency circuit includes a first-system low-noise amplifier connected between the transceiver and the duplexer, where the first-system low-noise amplifier is used to process the received communication signal of the first system.

Optionally, the second-system power amplifier in the radio frequency circuit includes a fourth-frequency-band power amplifier and a fifth-frequency-band power amplifier that are respectively connected between the transceiver and the second antenna, where the fourth-frequency-band power amplifier is used to transmit a fourth-frequency-band communication signal of the second system, and the fifth-frequency-band power amplifier is used to transmit a fifth-frequency-band communication signal of the second system.

Optionally, the low-noise amplifier in the radio frequency circuit includes a fourth-band low-noise amplifier and a fifth-band low-noise amplifier connected between the transceiver and the second switch, where the fourth-band low-noise amplifier is used for processing the received communication signal in the fourth band, and the fifth-band low-noise amplifier is used for processing the received communication signal in the fifth band.

The application also provides an intelligent terminal comprising the radio frequency circuit.

As described above, the radio frequency circuit and the transmitting module in the intelligent terminal provided by the application can transmit uplink signals of different types transmitted by the transceiver through the communication antenna through the configuration of the first controller, the receiving module can integrate and process uplink channels of different systems through the configuration of the second controller, and the downlink channels of different systems are additionally integrated and processed, so that the uplink channels and the downlink channels are respectively configured through the independent controllers, and the downlink signals of different types can be received through the communication antenna and transmitted to the transceiver, thereby reducing the area of a ornament, the cost and the complexity of software and hardware design.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic hardware structure of a mobile terminal implementing various embodiments of the present application;

fig. 2 is a schematic diagram of a communication network system according to an embodiment of the present application;

fig. 3 is a schematic diagram of a structure of a radio frequency circuit shown according to the first embodiment;

fig. 4 is a schematic diagram of the structure of the radio frequency circuit shown in accordance with the embodiment of fig. 3.

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings. Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element, and furthermore, elements having the same name in different embodiments of the present application may have the same meaning or may have different meanings, a particular meaning of which is to be determined by its interpretation in this particular embodiment or by further combining the context of this particular embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or," "and/or," "including at least one of," and the like, as used herein, may be construed as inclusive, or meaning any one or any combination. For example, "including at least one of: A. b, C "means" any one of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C ", again as examples," A, B or C "or" A, B and/or C "means" any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present application, and are not of specific significance per se. Thus, "module," "component," or "unit" may be used in combination.

The intelligent terminal may be implemented in various forms. For example, the smart terminals described in the present application may include smart terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and stationary terminals such as digital TVs, desktop computers, and the like.

The following description will be given taking a mobile terminal as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for a moving purpose.

Referring to fig. 1, which is a schematic hardware structure of a mobile terminal implementing various embodiments of the present application, the mobile terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an a/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. Those skilled in the art will appreciate that the mobile terminal structure shown in fig. 1 is not limiting of the mobile terminal and that the mobile terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.

The following describes the components of the mobile terminal in detail with reference to fig. 1:

the radio frequency unit 101 may be used for receiving and transmitting signals during the information receiving or communication process, specifically, after receiving downlink information of the base station, processing the downlink information by the processor 110; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol including, but not limited to, GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (Code Division Multiple Access, 2000, CDMA 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division duplex long term evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division duplex long term evolution), and 5G, among others.

WiFi belongs to a short-distance wireless transmission technology, and a mobile terminal can help a user to send and receive e-mails, browse web pages, access streaming media and the like through the WiFi module 102, so that wireless broadband Internet access is provided for the user. Although fig. 1 shows a WiFi module 102, it is understood that it does not belong to the necessary constitution of a mobile terminal, and can be omitted entirely as required within a range that does not change the essence of the utility model.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the mobile terminal 100. The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive an audio or video signal. The a/V input unit 104 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 1042, the graphics processor 1041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 101 in the case of a telephone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting the audio signal.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor, optionally, the ambient light sensor may adjust the brightness of the display panel 1061 according to the brightness of ambient light, and the proximity sensor may turn off the display panel 1061 and/or the backlight when the mobile terminal 100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.

The display unit 106 is used to display information input by a user or information provided to the user. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the mobile terminal. Alternatively, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 1071 or thereabout by using any suitable object or accessory such as a finger, a stylus, etc.) and drive the corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Optionally, the touch detection device detects the touch azimuth of the user, detects a signal brought by touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 110, and can receive and execute commands sent from the processor 110. Further, the touch panel 1071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 107 may include other input devices 1072 in addition to the touch panel 1071. Alternatively, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc., as specifically not limited herein.

Alternatively, the touch panel 1071 may overlay the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or thereabout, the touch panel 1071 is transferred to the processor 110 to determine the type of touch event, and the processor 110 then provides a corresponding visual output on the display panel 1061 according to the type of touch event. Although in fig. 1, the touch panel 1071 and the display panel 1061 are two independent components for implementing the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 may be integrated with the display panel 1061 to implement the input and output functions of the mobile terminal, which is not limited herein.

The interface unit 108 serves as an interface through which at least one external device can be connected with the mobile terminal 100. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.

Memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, and alternatively, the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 109 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor, the application processor optionally handling mainly an operating system, a user interface, an application program, etc., the modem processor handling mainly wireless communication. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power source 111 (e.g., a battery) for supplying power to the respective components, and preferably, the power source 111 may be logically connected to the processor 110 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through the power management system.

Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described herein.

In order to facilitate understanding of the embodiments of the present application, a communication network system on which the mobile terminal of the present application is based will be described below.

Referring to fig. 2, fig. 2 is a schematic diagram of a communication network system provided in the embodiment of the present application, where the communication network system is an LTE system of a general mobile communication technology, and the LTE system includes a UE (User Equipment) 201, an e-UTRAN (Evolved UMTS Terrestrial Radio Access Network ) 202, an epc (Evolved Packet Core, evolved packet core) 203, and an IP service 204 of an operator that are sequentially connected in communication.

Alternatively, the UE201 may be the terminal 100 described above, which is not described here again.

The E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. Alternatively, the eNodeB2021 may connect with other enodebs 2022 over a backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide access for the UE201 to the EPC 203.

EPC203 may include MME (Mobility Management Entity ) 2031, hss (Home Subscriber Server, home subscriber server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, pgw (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function, policy and tariff function entity) 2036, and so on. Optionally, MME2031 is a control node that handles signaling between UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location registers (not shown) and to hold user specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034 and PGW2035 may provide IP address allocation and other functions for UE201, PCRF2036 is a policy and charging control policy decision point for traffic data flows and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem ), or other IP services, etc.

Although the LTE system is described above as an example, it should be understood by those skilled in the art that the present application is not limited to LTE systems, but may be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5G, and future new network systems (e.g., 6G), etc.

Based on the above-mentioned mobile terminal hardware structure and communication network system, various embodiments of the present application are presented.

It should be noted that MMMB PA refers to a Multi-mode Multi-band Power Amplifier Multi-mode Multi-frequency power amplifier, and supports CDMA & WCDMA & TD-SCDMA & FDD-LTE & TDD-LTE &5G NR, mainly sub 3G frequency bands. LNA BANK refers to a low noise amplifier module and supports amplification of a receiving channel of a low-medium-high frequency band of sub 3G. The following examples are not repeated.

First embodiment

In one aspect, the present application provides a radio frequency circuit, and fig. 3 is a schematic structural diagram of the radio frequency circuit according to the first embodiment.

Referring to fig. 3, in one embodiment, the radio frequency circuit includes a transceiver 10, a transmitting module 20, a receiving module 30, a first controller 21, a second controller 31, and a communication antenna 40.

The transmitting module 20 is connected to the communication antenna 40, and is configured to receive the uplink signal sent by the transceiver 10 and send the uplink signal through the communication antenna 40. The receiving module 30 is connected to the communication antenna 40, and is configured to receive the downlink signal through the communication antenna 40 and send the downlink signal to the transceiver 10.

The first controller 21 is used for configuring the transmitting module 20. The second controller 31 is configured to configure the receiving module 30.

Alternatively, the emission module 20 includes a first controller 21, and the first controller 21 may be integrated within the emission module 20. The receiving module 30 includes a second controller 31. The second controller 31 may be integrated within the receiving module 30.

Optionally, the uplink signal may be a transmission signal of a 3/4/5G signal and an N77/N79 signal of the sub 3G frequency band, and the uplink signal may also be a signal of low, medium and high frequency bands of the first standard communication signal. The downlink signal can be a 3/4/5G signal of a sub 3G frequency band and a receiving signal of an N77/N79 signal. The first controller 21 and the second controller 22 may be a mipi controller, and control the transmitting module 20 to transmit signals and the receiving module 30 to receive signals through a mipi protocol.

In this embodiment, the transmitting module 20 can receive different types of uplink signals sent by the transceiver 10 through the first controller 21 and send the uplink signals through the communication antenna 40, and the receiving module 30 can receive different types of downlink signals through the communication antenna 40 and send the downlink signals to the transceiver 10 through the second controller 31, so that the area and cost of the ornament and the complexity of the software and hardware design can be reduced.

Referring to fig. 4, in an embodiment, the communication antenna 40 in the radio frequency circuit includes a first antenna 41 for processing a first system communication signal and a second antenna 42 for processing a second system communication signal, and the radio frequency circuit further includes a TXM module 50, where the TXM module 50 is connected to the first antenna 41, the transmitting module 20 and the receiving module 30 respectively.

Optionally, the standard communication signal may be a 2/3/4/5/6G signal in the sub 3G frequency band, and the like. Optionally, the first standard communication signal is a 3G signal, and the second standard signal may be a 5G N77/N79 signal. The TXM module 50 includes a 2G power amplifier and an SP16T switch, and may be used for amplifying a transmission signal in a 2G frequency band and switching different sub 3G frequency bands.

With continued reference to fig. 4, in one embodiment, the transmitting module 20 of the rf circuit includes a first system power amplifier 22. The first-system power amplifier 22 is connected between the transceiver 10 and the TXM module 50, and a control end of the first-system power amplifier 22 is connected with the first controller 21 to amplify the power of the transmission signal of the first system.

In another embodiment, the transmitting module 20 in the rf circuit includes a second-system power amplifier 23. The second-system power amplifier 23 is connected between the transceiver 10 and the second antenna 42, and the second-system power amplifier 23 is connected with the first controller 21 to power-amplify the transmission signal of the second system.

Optionally, the first standard power amplifier 22 performs power amplification on the transmission signals of different sub 3G frequency bands. The second system power amplifier 23 performs power amplification on the transmission signal in the N77/N79 frequency band.

Optionally, the transmitting module 20 in the rf circuit further includes a duplexer 24, and the duplexer 24 is connected between the first-system power amplifier 22 and the TXM module 50.

Optionally, the transmitting module 20 in the rf circuit further includes an upstream filter 25, and the upstream filter 25 is connected between the first standard power amplifier 22 and the TXM module 50.

Optionally, the transmission signal in the transmission module 20 is filtered out the out-of-band interference signal by the duplexer 24 and/or the uplink filter 25 and then sent to the TXM module 50. The number of the diplexers 24 and the upstream filters 25 is not limited in this application, and fig. 4 shows two diplexers 24 and one upstream filter 25.

With continued reference to fig. 4, in an embodiment, the transmitting module 20 in the rf circuit further includes a first switch S1, the first switch S1 is connected between the first standard power amplifier 22 and the duplexer 24 and/or the upstream filter 25, and a control end of the first switch S1 is connected to the first controller 21.

Alternatively, the first switch S1 is configured to switch radio frequency paths of different frequency bands according to a control signal of the first controller 21.

With continued reference to fig. 4, in one embodiment, the first system power amplifier 22 in the rf circuit includes a first band power amplifier 220, a second band power amplifier 221, and a third band power amplifier 222 connected between the transceiver 10 and the TXM module 50.

The first band power amplifier 220 is configured to transmit a first band signal of a first system; the second band power amplifier 221 is configured to transmit a second band signal of the first system; the third band power amplifier 222 is configured to transmit a third band signal of the first system.

Optionally, the first band power amplifier 220 is configured to transmit a low frequency signal (LB TX) of the sub 3G band; the second band power amplifier 221 is configured to transmit an intermediate frequency signal (MB TX) of the sub 3G band; the third band power amplifier 222 is used to transmit the high frequency signal (HB TX) of the sub 3G band.

In this embodiment, after the 3G signal is sent out by the transceiver 10 in the sending process, the first controller 21 in the sending module 20 controls the first standard power amplifier 22 to amplify and the first switch S1 to switch the frequency band, and then filters out the out-of-band interference signal by the duplexer 24 and/or the uplink filter 25, and sends the out-of-band interference signal to the TXM module 50, and finally, the first antenna 41 radiates the out.

With continued reference to fig. 4, in an embodiment, the transmitting module 20 in the rf circuit includes an active filter 26 and a second switch S2 respectively connected to the first controller 21.

The first end of the second switch S2 is connected to the second system power amplifier 23, and the second end of the second switch S2 is connected to the second antenna 42 through the active filter 26, so as to transmit the communication signal of the second system.

Optionally, the active filter 26 is used to filter out interference signals outside the frequency band. The second switch S2 is used for switching radio frequency paths of different frequency bands according to the first controller 21.

With continued reference to fig. 4, in an embodiment, the second-system power amplifier 23 in the radio frequency circuit includes a fourth-band power amplifier 230 and a fifth-band power amplifier 231 respectively connected between the transceiver 10 and the second antenna 42, the fourth-band power amplifier 230 is configured to transmit a fourth-band communication signal of the second system, and the fifth-band power amplifier 231 is configured to transmit a fifth-band communication signal of the second system.

Optionally, the fourth band power amplifier 230 is configured to transmit an N77 communication signal in the N77/N79 band, and the fifth band power amplifier 231 is configured to transmit an N79 communication signal in the N77/N79 band.

In this embodiment, after the 5G signal is sent out through the transceiver 10 in the sending process, the first controller 21 in the sending module 20 controls the second standard power amplifier 23 to amplify, the second switch S2 switches the frequency band and the active filter 26 to filter the interference signal outside the frequency band, and then the interference signal is radiated by the second antenna 42.

In the above embodiment, by combining the first standard power amplifier 22, the second standard power amplifier 23, the first switch S1, the second switch S2, the active filter 26 and other devices in one transmitting module 20, and controlling the transmitting module by one first controller 21, the area of the ornament, the cost and the complexity of the software and hardware design can be reduced.

With continued reference to fig. 4, in one embodiment, the receiving module 30 in the rf circuit further includes a low noise amplifier 32. The low noise amplifier 32 is connected between the third terminal of the second switch S2 and the transceiver 10 to amplify the received communication signal of the second system; the control terminal of the low noise amplifier 32 is connected to the second controller 31.

Alternatively, the low noise amplifier 32 may be used to amplify the N77/N79 band received signal.

With continued reference to fig. 4, in one embodiment, the low noise amplifier 32 in the radio frequency circuit includes a fourth band low noise amplifier 320 and a fifth band low noise amplifier 321 connected between the transceiver 10 and the second switch S2.

The fourth band low noise amplifier 320 is used for processing the received communication signals of the fourth band, and the fifth band low noise amplifier 321 is used for processing the received communication signals of the fifth band.

Optionally, the fourth band low noise amplifier 320 is configured to process the received N77 communication signal, and the fifth band low noise amplifier 321 is configured to process the received N79 communication signal.

Optionally, in the receiving process, after the 5G signal is received by the second antenna 42, the interference signal outside the frequency band is filtered by the active filter 26 in the receiving module 30, the frequency band is switched by the second switch S2, and the fourth frequency band low noise amplifier 320 and the fifth frequency band low noise amplifier 321 in the low noise amplifier 32 are controlled by the second controller 31 to amplify, and then received and demodulated by the transceiver 10.

With continued reference to fig. 4, in one embodiment, the low noise amplifier 32 in the radio frequency circuit includes a first system low noise amplifier 322 connected between the transceiver 10 and the diplexer 24, the first system low noise amplifier 322 being configured to process the received communication signal of the first system.

Optionally, the first system low-noise amplifier 322 includes a plurality of low-noise amplifiers in the sub 3G frequency band, so as to amplify the received signals in different frequency bands. Fig. 4 shows five low noise amplifiers.

In the exemplary process, the 3G signal is received by the first antenna 41, filtered by the TXM module 50 and the duplexer 24 and/or the uplink filter 25, and then sent to the receiving module 30, and the second controller 31 in the receiving module 30 controls the first-system low-noise amplifier 322 to amplify and send to the transceiver 10 for demodulation.

In the above embodiment, by combining the low noise amplifier 32 in one receiving module 30, which is controlled by one second controller 31, the area and cost of the ornament and the complexity of the software and hardware design can be reduced.

Second embodiment

The embodiment of the application also provides an intelligent terminal, which comprises the radio frequency circuit in any embodiment.

In the embodiment of the intelligent terminal provided in the present application, all technical features of any one of the above radio frequency circuit embodiments may be included, and the expansion and explanation contents of the description are substantially the same as those of each of the above embodiments, which are not repeated herein.

According to the radio frequency circuit and the transmitting module in the intelligent terminal, different types of uplink signals transmitted by the transceiver can be transmitted through the communication antenna through the configuration of the first controller, the receiving module can integrate uplink channels of different systems through the configuration of the second controller, downlink channels of different systems are additionally integrated, the uplink channels and the downlink channels are respectively configured through the independent controllers, the downlink signals of different types can be received through the communication antenna and transmitted to the transceiver, and therefore the area and cost of an ornament and the design complexity of software and hardware are reduced.

It can be understood that the above scenario is merely an example, and does not constitute a limitation on the application scenario of the technical solution provided in the embodiments of the present application, and the technical solution of the present application may also be applied to other scenarios. For example, as one of ordinary skill in the art can know, with the evolution of the system architecture and the appearance of new service scenarios, the technical solutions provided in the embodiments of the present application are equally applicable to similar technical problems.

The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.

The units in the device of the embodiment of the application can be combined, divided and pruned according to actual needs.

In this application, the same or similar term concept, technical solution, and/or application scenario description will generally be described in detail only when first appearing, and when repeated later, for brevity, will not generally be repeated, and when understanding the content of the technical solution of the present application, etc., reference may be made to the previous related detailed description thereof for the same or similar term concept, technical solution, and/or application scenario description, etc., which are not described in detail later.

In this application, the descriptions of the embodiments are focused on, and the details or descriptions of one embodiment may be found in the related descriptions of other embodiments.

The technical features of the technical solutions of the present application may be arbitrarily combined, and for brevity of description, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the present application.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as above, including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) to perform the method of each embodiment of the present application.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line), or wireless (e.g., infrared, wireless, microwave, etc.). Computer readable storage media can be any available media that can be accessed by a computer or data storage devices, such as servers, data centers, etc., that contain an integration of one or more available media. Usable media may be magnetic media (e.g., floppy disks, storage disks, magnetic tape), optical media (e.g., DVD), or semiconductor media (e.g., solid State Disk (SSD)), among others.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims

1. The radio frequency circuit is characterized by comprising a transceiver, a transmitting module, a receiving module, a first controller, a second controller and a communication antenna;

the first controller is used for configuring the transmitting module;

the second controller is used for configuring the receiving module.

2. The radio frequency circuit of claim 1, wherein the communication antenna comprises a first antenna that processes a first system communication signal and a second antenna that processes a second system communication signal, and further comprising a TXM module that is coupled to the first antenna, the transmit module, and the receive module, respectively.

3. The radio frequency circuit according to claim 2, wherein the transmitting module comprises a first system power amplifier and/or a second system power amplifier;

the first-system power amplifier is connected between the transceiver and the TXM module, and the control end of the first-system power amplifier is connected with the first controller to amplify the power of the transmission signal of the first system; and/or the number of the groups of groups,

the second-system power amplifier is connected between the transceiver and the second antenna, and is connected with the first controller to amplify the power of the second-system transmitting signal.

4. The radio frequency circuit of claim 3, wherein the transmit module further comprises a diplexer and/or an upstream filter connected between the first mode power amplifier and the TXM module; and/or the number of the groups of groups,

the first-system power amplifier comprises a first frequency band power amplifier, a second frequency band power amplifier and a third frequency band power amplifier which are connected between the transceiver and the TXM module, wherein the first frequency band power amplifier is used for transmitting a first frequency band signal of the first system; the second frequency band power amplifier is used for sending a second frequency band signal of the first system; and the third frequency band power amplifier is used for transmitting the third frequency band signal of the first system.

5. The radio frequency circuit of claim 4, wherein the transmit module further comprises a first switch, the first switch being connected between the first standard power amplifier and the diplexer and/or upstream filter, a control terminal of the first switch being connected to the first controller.

6. The radio frequency circuit according to claim 4 or 5, wherein the transmitting module comprises an active filter and a second switch respectively connected to the first controller, a first end of the second switch is connected to the second standard power amplifier, and a second end of the second switch is connected to the second antenna through the active filter to transmit the communication signal of the second standard.

7. The radio frequency circuit of claim 6, wherein the receiving module further comprises a low noise amplifier connected between the third terminal of the second switch and the transceiver to amplify the received communication signal of the second format;

8. The radio frequency circuit of claim 7, wherein the low noise amplifier comprises a first system low noise amplifier connected between the transceiver and the diplexer, the first system low noise amplifier for processing the received communication signal of the first system; and/or the number of the groups of groups,

the second-system power amplifier comprises a fourth-frequency-band power amplifier and a fifth-frequency-band power amplifier which are respectively connected between the transceiver and the second antenna, wherein the fourth-frequency-band power amplifier is used for transmitting fourth-frequency-band communication signals of the second system, and the fifth-frequency-band power amplifier is used for transmitting fifth-frequency-band communication signals of the second system.

9. The radio frequency circuit of claim 8, wherein the low noise amplifier comprises a fourth band low noise amplifier and a fifth band low noise amplifier connected between the transceiver and the second switch, the fourth band low noise amplifier for processing the received communication signals of the fourth band, the fifth band low noise amplifier for processing the received communication signals of the fifth band.

10. An intelligent terminal comprising a radio frequency circuit as claimed in any one of claims 1 to 9.