Radio frequency module and intelligent terminal
By introducing components such as trippers and multi-throw switches into the RF module, the separation and control of low-frequency, medium-frequency, and high-frequency signals are realized, solving the problem of limited frequency bands and improving the applicability and network performance of the RF module.
Patent Information
- Application Number
- CN202422989053.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing RF modules support a limited number of frequency bands and lack universal applicability, resulting in some areas being unable to access CA networks or experiencing slow network download speeds.
Design an RF module including a main carrier master unit, a main carrier diversity unit, a subcarrier master unit, and an RF transceiver. Use a tripeller to separate the mixed frequency band signal transmitted by the antenna into low-frequency, mid-frequency, and high-frequency signals. Use a single-pole multi-throw switch and a duplexer to control the transmission and reception of signals. Combine with a surface acoustic wave filter to further optimize frequency band support.
The frequency band combination capability of the RF module has been improved, enhancing its versatility and enabling it to support more frequency band combinations, thereby improving network access capabilities and download speeds.
Smart Images

Figure CN223613331U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of communication technology, in particular to a radio frequency module and a smart terminal. BACKGROUND
[0002] The radio frequency module plays an important role in communication, which can work in different frequency ranges, so as to utilize different parts of the radio spectrum to meet the communication needs of users.
[0003] In the process of conceiving and implementing the present application, the inventors have found that at least the following problems exist: the frequency bands supported by the current radio frequency module are limited and not universally applicable.
[0004] The foregoing description is to provide general background information and does not necessarily constitute the prior art. CONTENT OF THE INVENTION
[0005] To solve the above technical problems, the present application provides a radio frequency module and a smart terminal, so that the radio frequency module can support more frequency bands and improve universal applicability.
[0006] To solve the above technical problems, the present application provides a radio frequency module, comprising a main carrier main diversity unit, a main carrier diversity unit, a sub-carrier main diversity unit and a radio frequency transceiver;
[0007] For any unit, the unit comprises an antenna and a triplexer, and the antenna is connected with the radio frequency transceiver through the triplexer;
[0008] The triplexer is used to separate the mixed frequency band signal sent by the antenna into low frequency signal, medium frequency signal and high frequency signal, and send the low frequency signal, medium frequency signal and high frequency signal to the radio frequency transceiver.
[0009] Optionally, the main carrier main diversity unit comprises a main carrier main diversity antenna and a first triplexer, the first triplexer comprises a first antenna pin, a first low frequency pin, a first medium frequency pin and a first high frequency pin, and the first antenna pin is connected with the main carrier main diversity antenna;
[0010] The main carrier main diversity unit further comprises a first single-pole multi-throw switch, a second single-pole multi-throw switch and a third single-pole multi-throw switch; and comprises at least one of the following:
[0011] The first low frequency pin is connected with the input end of the first single-pole multi-throw switch, and the first single-pole multi-throw switch is used to control the first low frequency signal of the first preset low frequency band to be sent to the radio frequency transceiver;
[0012] The first intermediate frequency pin is connected with an input end of the second single-pole multi-throw switch, and the second single-pole multi-throw switch is used for controlling the first intermediate frequency signal of a first preset intermediate frequency frequency band to be sent to the radio frequency transceiver.
[0013] The first high frequency pin is connected with an input end of the third single-pole multi-throw switch, and the third single-pole multi-throw switch is used for controlling the first high frequency signal of a first preset high frequency frequency band to be sent to the radio frequency transceiver.
[0014] Optionally, the main carrier diversity unit further comprises a first duplexer, a second duplexer and a third duplexer.
[0015] The input end of the first duplexer is connected with the output end of the first single-pole multi-throw switch, the input end of the second duplexer is connected with the output end of the second single-pole multi-throw switch, and the input end of the third duplexer is connected with the output end of the third single-pole multi-throw switch.
[0016] The output end of the first duplexer, the output end of the second duplexer and the output end of the third duplexer are respectively connected with the radio frequency transceiver.
[0017] For any duplexer, the duplexer is used for separating the transmitting signal and the receiving signal of the radio frequency transceiver, and the receiving signal is the low frequency signal or the intermediate frequency signal or the high frequency signal.
[0018] Optionally, the main carrier diversity unit comprises a main carrier diversity antenna and a second triplexer, the second triplexer comprises a second antenna pin, a second low frequency pin, a second intermediate frequency pin and a second high frequency pin, and the second antenna pin is connected with the main carrier diversity antenna.
[0019] The main carrier diversity unit further comprises a fourth single-pole multi-throw switch, a fifth single-pole multi-throw switch and a sixth single-pole multi-throw switch, and comprises at least one of the following:
[0020] The second low frequency pin is connected with an input end of the fourth single-pole multi-throw switch, and the fourth single-pole multi-throw switch is used for controlling the second low frequency signal of a second preset low frequency frequency band to be sent to the radio frequency transceiver.
[0021] The second intermediate frequency pin is connected with an input end of the fifth single-pole multi-throw switch, and the fifth single-pole multi-throw switch is used for controlling the second intermediate frequency signal of a second preset intermediate frequency frequency band to be sent to the radio frequency transceiver.
[0022] The second high frequency pin is connected with an input end of the sixth single-pole multi-throw switch, and the sixth single-pole multi-throw switch is used for controlling the second high frequency signal of a second preset high frequency frequency band to be sent to the radio frequency transceiver.
[0023] Optionally, the main carrier diversity unit further comprises a first dual-band surface acoustic wave filter;
[0024] The input end of the first dual-band surface acoustic wave filter is connected with the output end of the fourth single-pole multi-throw switch.
[0025] The first dual-band surface acoustic wave filter is used for controlling third low-frequency signals of a first preset low-frequency frequency and fourth low-frequency signals of a second preset low-frequency frequency to be transmitted to the radio frequency transceiver.
[0026] Optionally, the main carrier diversity unit further comprises a first dual-band surface acoustic wave filter;
[0027] The main carrier diversity unit further comprises a seventh single-pole multi-throw switch, an eighth single-pole multi-throw switch and a ninth single-pole multi-throw switch; and comprises at least one of the following:
[0028] The third low-frequency pin is connected with the input end of the seventh single-pole multi-throw switch, and the seventh single-pole multi-throw switch is used for controlling fifth low-frequency signals of a third preset low-frequency frequency to be transmitted to the radio frequency transceiver.
[0029] The third intermediate frequency pin is connected with the input end of the eighth single-pole multi-throw switch, and the eighth single-pole multi-throw switch is used for controlling third intermediate frequency signals of a third preset intermediate frequency frequency to be transmitted to the radio frequency transceiver.
[0030] The third high-frequency pin is connected with the input end of the ninth single-pole multi-throw switch, and the ninth single-pole multi-throw switch is used for controlling third high-frequency signals of a third preset high-frequency frequency to be transmitted to the radio frequency transceiver.
[0031] Optionally, the main carrier diversity unit further comprises a first dual-band surface acoustic wave filter;
[0032] The input end of the second dual-band surface acoustic wave filter is connected with the output end of the seventh single-pole multi-throw switch.
[0033] The second dual-band surface acoustic wave filter is used for controlling sixth low-frequency signals of a third preset low-frequency frequency and seventh low-frequency signals of a fourth preset low-frequency frequency to be transmitted to the radio frequency transceiver.
[0034] Optionally, the radio frequency module further comprises a main carrier diversity unit;
[0035] The main carrier diversity unit comprises a main carrier diversity antenna, a single-pole multi-throw switch module and a single-band surface acoustic wave filter module.
[0036] The sub-carrier diversity antenna is connected with the input end of the single-pole multi-throw switch module, the output end of the single-pole multi-throw switch module is connected with the input end of the single-band surface acoustic wave filter module, and the output end of the single-band surface acoustic wave filter module is connected with the radio frequency transceiver.
[0037] Optionally,
[0038] The single-band surface acoustic wave filter module comprises at least one single-band surface acoustic wave filter, and comprises at least one of the following:
[0039] The input end of the single-band surface acoustic wave filter is connected with the single-pole multi-throw switch module, and the output end of the single-band surface acoustic wave filter is connected with the radio frequency transceiver.
[0040] The single-band surface acoustic wave filter for controlling low-frequency signals is used for controlling the eighth low-frequency signal of the corresponding fifth preset low-frequency frequency to be sent to the radio frequency transceiver.
[0041] The single-band surface acoustic wave filter for controlling middle-frequency signals is used for controlling the fourth middle-frequency signal of the first preset middle-frequency frequency to be sent to the radio frequency transceiver.
[0042] The single-band surface acoustic wave filter for controlling high-frequency signals is used for controlling the fourth high-frequency signal of the first preset high-frequency frequency to be sent to the radio frequency transceiver.
[0043] The application also provides an intelligent terminal comprising a body and a radio frequency module according to any one of the above.
[0044] As described above, the radio frequency module and the intelligent terminal according to the application, wherein the radio frequency module comprises a main carrier main set unit, a main carrier diversity unit, a sub-carrier main set unit and a radio frequency transceiver. For any one of the above units, each unit comprises an antenna and a triplexer, the antenna is connected with the radio frequency transceiver through the triplexer, and the triplexer is used for separating the mixed frequency band signals sent by the antenna into low-frequency signals, middle-frequency signals and high-frequency signals, and sending the low-frequency signals, the middle-frequency signals and the high-frequency signals to the radio frequency transceiver. The above technical solution separates the low-frequency signals, the middle-frequency signals and the high-frequency signals through the triplexer, so that the radio frequency module can support more frequency band combinations, and the universal applicability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0045] The drawings incorporated into the specification and constituting a part of the specification, show embodiments consistent with the application, and together with the specification, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings needed to be used in the embodiment description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor.
[0046] Figure 1 A hardware structure schematic diagram of an intelligent terminal provided for various embodiments of the present application;
[0047] Figure 2 A communication network system architecture diagram provided for embodiments of the present application;
[0048] Figure 3A A structure schematic diagram of an exemplary embodiment provided for the present application;
[0049] Figure 3B A structure schematic diagram of a dual-band surface acoustic wave filter provided for the present application;
[0050] Figure 3C A structure schematic diagram of a triple-band surface acoustic wave filter provided for the present application;
[0051] Figure 3D A structure schematic diagram of another exemplary embodiment provided for the present application;
[0052] Figure 4 A structure schematic diagram of a radio frequency module provided for embodiments of the present application;
[0053] Figure 5 A structure schematic diagram of a triplexer provided for embodiments of the present application;
[0054] Figure 6 A structure schematic diagram of a primary carrier main diversity unit provided for embodiments of the present application;
[0055] Figure 7 A structure schematic diagram of a primary carrier diversity unit provided for embodiments of the present application;
[0056] Figure 8 A structure schematic diagram of a secondary carrier main diversity unit provided for embodiments of the present application;
[0057] Figure 9 A structure schematic diagram of a secondary carrier diversity unit provided for embodiments of the present application;
[0058] Figure 10 A structure schematic diagram of another radio frequency module provided for embodiments of the present application.
[0059] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. The above-mentioned drawings have shown the specific embodiments of the present application, and will be described in more detail hereinafter. These drawings and the written description are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0060] The exemplary embodiments will be described in detail herein with reference to the attached drawings. The description of the exemplary embodiments is intended to apply to various alternative embodiments as well. It is to be understood that features illustrated with respect to one embodiment can be incorporated into other embodiments. The following detailed description is not to be interpreted in a limiting sense, and is merely intended to teach one skilled in the art the best mode of practicing the exemplary embodiments. The description of the exemplary embodiments is intended to apply to various alternative embodiments as well. It is to be understood that features illustrated with respect to one embodiment can be incorporated into other embodiments. The following detailed description is not to be interpreted in a limiting sense, and is merely intended to teach one skilled in the art the best mode of practicing the exemplary embodiments.
[0061] It is to be understood that the terminology "including", "comprising", or "having" some features should be interpreted as comprising those, and that the terminology "comprising" or "having" some features should be interpreted as comprising only those, unless otherwise indicated. It is to be understood that the terminology "comprising", "including", or "having" some features for a process, method, article, or apparatus should be interpreted as comprising only those, and not excluding other features of the process, method, article, or apparatus that can be added to the process, method, article, or apparatus. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and will not be interpreted in an overly literal sense unless expressly so defined herein.
[0062] It should be understood that, although terms, first, second, third, etc. can be used herein to describe various information, these terms are not intended to denote a particular order or hierarchy among the information. These terms are used only to distinguish one category of information from another category of information. For example, a first information can be termed a second information, and similarly, a second information can be termed a first information without departing from the scope hereof. The word "if' as used herein, depending on the context in which it is used, can be interpreted to mean "when" or "in response to the determination" or "in response to the detection." Also, the term "comprises" or "comprising" as used herein, can be interpreted to mean "includes" or "including" but not "consisting of. The term "or" as used herein is to be interpreted as inclusive or meaning any one or any combination. For example, the expression "A, B or C" or "A, B, and / or C" can mean "any of the following: A; B; C; A and B; A and C; B and C; A, B and C." Only terms clearly indicated to the contrary, such as "consist of" or "consisting of," will preclude the meaning of "inclusive or."
[0063] It should be understood that, although various steps in the flowcharts of the embodiments herein can be illustrated as sequential process, these steps are not necessarily performed in the order illustrated. Unless explicitly stated, the steps of the processes herein can be performed in any order. Also, at least some of the steps can include multiple sub-steps or multiple stages, which can not necessarily be performed in the same order as illustrated, or in sequential order, but can be performed in parallel or in a different order.
[0064] The word "if' as used herein, depending on the context in which it is used, can be interpreted to mean "when" or "in response to the determination" or "in response to the detection." Similarly, the phrase "if determined" or "if detecting (a stated condition or event)" can be interpreted to mean "when determined" or "in response to the determination" or "when detecting (a stated condition or event)" or "in response to the detection (a stated condition or event)," depending on the context in which it is used.
[0065] It should be understood that the specific embodiments described herein are merely illustrative of the application and should not be construed as limiting the application.
[0066] In the following description, the suffixes used for elements, such as "module", "part", or "unit", are merely intended for ease of description and do not have specific meanings or roles.
[0067] The smart terminal can be implemented in various forms. For example, the smart terminal described in the present application can include a smart terminal such as a smartphone, a tablet, a notebook, a palmtop, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like.
[0068] In the following description, the smart terminal will be exemplified, and those skilled in the art will understand that the configuration according to the embodiments of the present application can be applied to a terminal of a fixed type, except for elements particularly used for mobile purposes.
[0069] Referring to Figure 1 , Figure 1 A hardware structure of a smart terminal according to an embodiment of the present application will be described. The smart terminal 100 can include a Radio Frequency (RF) 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, etc. Those skilled in the art will understand that the smart terminal structure shown in FIG. 1 is not intended to limit the smart terminal, and the smart terminal can include more or less components than those shown in the drawing, or combine some components, or arrange the components differently. Figure 1 The smart terminal structure shown in FIG. 1 does not constitute a limitation on the smart terminal, and the smart terminal can include more or less components than those shown in the drawing, or combine some components, or arrange the components differently.
[0070] The components of the smart terminal will be described in detail below. Figure 1 The components of the smart terminal will be described in detail below.
[0071] The radio frequency unit 101 can be used for receiving and transmitting signals in the process of information or communication. Specifically, after receiving the downlink information of the base station, the radio frequency unit 101 processes the information for the processor 110. In addition, the radio frequency unit 101 transmits the uplink data to the base station. Generally, 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, etc. In addition, the radio frequency unit 101 can also communicate with the network and other devices through wireless communication. The above wireless communication can use any communication standard or protocol, including but not limited to Global System for Mobile Communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access 2000 (CDMA2000), Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), Frequency Division Duplexing-Long Term Evolution (FDD-LTE), Time Division Duplexing-Long Term Evolution (TDD-LTE), 5G and 6G, etc.
[0072] WiFi belongs to a short-range wireless transmission technology. The WiFi module 102 can help the user to send and receive e-mails, browse web pages, and access streaming media, etc. It provides the user with wireless broadband Internet access. Although Figure 1 The WiFi module 102 is shown, but it can be understood that it does not belong to the essential structure of the smart terminal, and can be omitted according to needs without changing the essence of the application.
[0073] The audio output unit 103 can 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 it as sound when the smart terminal 100 is in a call signal receiving mode, a speech mode, a recording mode, a voice recognition mode, a broadcast receiving mode, etc. Moreover, the audio output unit 103 can also provide audio output related to a specific function performed by the smart terminal 100 (e.g., a call signal receiving sound, a message receiving sound, etc.). The audio output unit 103 can include a speaker, a buzzer, etc.
[0074] The A / V input unit 104 is configured to receive audio or video signals. The A / V input unit 104 can include a graphics processor (GPU) 1041 and a microphone 1042. The graphics processor 1041 processes image data of a still picture or a video obtained by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. Processed image frames can be displayed on the display unit 106. Processed image frames can 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 telephone call mode, a recording mode, a voice recognition mode, or the like, and can process such sound into audio data. Processed audio (voice) data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 101 in the case of the telephone call mode. The microphone 1042 can implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the process of receiving and transmitting audio signals.
[0075] The intelligent terminal 100 further 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. The ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of ambient light. The proximity sensor can turn off the display panel 1061 and / or the backlight when the intelligent terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), and can detect the magnitude and direction of gravity when at rest. The accelerometer sensor can be used in applications for identifying the posture of the mobile phone (e.g., switching between landscape and portrait screens, related games, magnetometer posture calibration), vibration recognition related functions (e.g., pedometer, tapping), and the like. The intelligent terminal 100 can further include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, and other sensors, which are not described herein.
[0076] The display unit 106 is configured to display information input by a user or information provided to the user. The display unit 106 can include a display panel 1061, which can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
[0077] The user input unit 107 can be used to receive inputted numerical or character information, and to generate key signal inputs related to user settings of the intelligent terminal and control of functions. Optionally, the user input unit 107 can include a touch panel 1071 and other input devices 1072. The touch panel 1071, also called a touch screen, can collect touch operations of a user thereon or adjacent thereto (such as operations of the user using a finger, a stylus, or any suitable object or accessory on or adjacent to the touch panel 1071), and drive corresponding connection devices according to a pre-set program. The touch panel 1071 can include two parts, a touch detection device and a touch controller. The touch detection device detects the touch position of the user and detects signals caused by touch operations, and transmits the signals to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch coordinates, and sends it to the processor 110, and can also receive commands from the processor 110 and execute them. In addition, the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 can also include other input devices 1072. Optionally, the other input devices 1072 can include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, on / off keys, etc.), a trackball, a mouse, a joystick, etc., without limitation.
[0078] Optionally, the touch panel 1071 can cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or adjacent thereto, it transmits to the processor 110 to determine the type of touch event, and then the processor 110 provides corresponding visual output on the display panel 1061 according to the type of touch event. Although in the above embodiment, the touch panel 1071 and the display panel 1061 are implemented as two independent components to realize the input and output functions of the intelligent terminal, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to realize the input and output functions of the intelligent terminal, without limitation. Figure 1
[0079] The interface unit 108 serves as an interface through which at least one external device can be connected to the intelligent terminal 100. For example, the external device can include a wired or wireless headset port, an external power supply (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, etc. The interface unit 108 can 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 intelligent terminal 100, or can be used to transmit data between the intelligent terminal 100 and an external device.
[0080] The memory 109 can be used to store software programs and various data. The memory 109 can mainly include a program storage area and a data storage area, and the program storage area can store an operating system, application programs required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; and the data storage area can store data created according to the use of the mobile phone (such as audio data, a phone book, etc.), and the like. In addition, the memory 109 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state memory device.
[0081] The processor 110 is the control center of the intelligent terminal, connects all parts of the intelligent terminal through various interfaces and lines, executes various functions of the intelligent 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, and thus monitors the intelligent terminal as a whole. The processor 110 can include one or more processing units; preferably, the processor 110 can integrate an application processor and a modem processor, and the application processor can mainly process an operating system, a user interface, and application programs, and the like, and the modem processor can mainly process wireless communication. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 110.
[0082] The intelligent terminal 100 can also include a power supply 111 (such as a battery) for supplying power to various components; preferably, the power supply 111 can be logically connected to the processor 110 through a power management system, so as to realize the functions of managing charging, discharging, and power consumption management, and the like through the power management system.
[0083] Although Figure 1 The intelligent terminal 100 can also include a Bluetooth module and the like, which are not described herein again.
[0084] In order to facilitate the understanding of the embodiments of the present application, the communication network system based on the intelligent terminal of the present application is described below.
[0085] Please refer to Figure 2 , Figure 2 A communication network system architecture diagram provided by the embodiments of the present application, the communication network system is a LTE system of general mobile communication technology, the LTE system includes a user equipment (User Equipment, UE) 201, an evolved UMTS terrestrial radio access network (Evolved UMTS Terrestrial Radio Access Network, E-UTRAN) 202, an evolved packet core network (Evolved Packet Core, EPC) 203 and an operator's IP service 204 which are sequentially connected in communication.
[0086] Optionally, the UE 201 can be the smart terminal 100 described above, which will not be repeated here.
[0087] The E-UTRAN 202 includes an eNode B 2021 and other eNode Bs 2022. Optionally, the eNode B 2021 can be connected with the other eNode Bs 2022 through backhaul (for example, X2 interface), the eNode B 2021 is connected to the EPC 203, and the eNode B 2021 can provide access for the UE 201 to the EPC 203.
[0088] The EPC 203 can include a Mobility Management Entity (MME) 2031, a Home Subscriber Server (HSS) 2032, other MMEs 2033, a Serving GateWay (SGW) 2034, a Packet Data Network GateWay (PGW) 2035, and a Policy and Charging Rules Function (PCRF) 2036. Optionally, the MME 2031 is a control node that handles signaling between the UE 201 and the EPC 203, and provides bearer and connection management. The HSS 2032 is used to provide some registers to manage functions such as a home location register (not shown in the figure), and to save some user-specific information about service features, data rates, etc. All user data can be sent through the SGW 2034, the PGW 2035 can provide IP address allocation for the UE 201 and other functions, and the PCRF 2036 is a policy and charging control policy decision point for service data flow and IP bearer resources, which selects and provides available policy and charging control decisions for policy and charging enforcement function units (not shown in the figure).
[0089] The IP service 204 can include the Internet, an intranet, an IMS (IP Multimedia Subsystem), or other IP services.
[0090] Although the above describes the LTE system as an example, those skilled in the art should know that the present application is not only applicable to the LTE system, but also applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5G, and future new network systems (such as 6G), etc., which are not limited here.
[0091] Based on the above smart terminal hardware structure and communication network system, various embodiments of the present application are proposed.
[0092] In order to facilitate the understanding of the present application, first of all, the scheme involved in the present application is exemplarily described.
[0093] Please see Figure 3A , Figure 3A An exemplary structural schematic diagram provided by the present application is shown in the following figure. In the existing radio frequency module, the antenna ANTO is a low frequency main set antenna 01, and the antenna ANT1 is a middle and high frequency main set antenna 02. The ANTO and the ANT1 can transmit a primary carrier component (PCC) signal. The ANTO and the ANT1 are respectively connected with the input end of a single-pole multi-throw switch 03 SPXT. The output end of the single-pole multi-throw switch 03 is connected with the input end of a duplexer 04. The output end of the duplexer 04 is connected with a radio frequency transceiver 05. The signals emitted by the ANTO and the ANT1 are separated into low frequency signals and middle and high frequency signals after passing through the single-pole multi-throw switch 03, and then are transmitted to the radio frequency transceiver 05 through the duplexer 04, so that the radio frequency transceiver 05 receives the low frequency signals (LB) and the middle and high frequency signals (MHB).
[0094] The duplexer 04 can also be connected with one end of a power amplifier 06. The other end of the power amplifier 06 is connected with the radio frequency transceiver 05. The power amplifier 06 is used for amplifying the transmission signals transmitted by the radio frequency transceiver 05, and transmitting the amplified transmission signals to the duplexer 04. The transmission signals are transmitted to the antennas after passing through the duplexer 04 and the single-pole multi-throw switch 03.
[0095] In the radio frequency module, the antenna ANT2 is a low frequency diversity antenna 07, which can transmit the PCC signal. The antenna ANT3 is a middle and high frequency diversity antenna 08, which can transmit the PCC signal and a secondary carrier component (SCC) signal. The ANT2 is connected with the input end of the single-pole multi-throw switch 03. The output end of the single-pole multi-throw switch 03 is connected with the input end of a single-band surface acoustic wave (SAW) filter 08. The single-band SAW filter 08 is connected with the radio frequency transceiver 05, so that the radio frequency transceiver 05 receives the low frequency signals. The ANT3 is connected with the input end of the single-pole multi-throw switch 03. The output end of the single-pole multi-throw switch 03 is respectively connected with the input end of a middle band (MB) dual-band SAW filter 09 MB Dual SAW, the input end of a middle and high band (MHB) tri-band SAW filter 010 MHB Tri-SAW, and the input end of the single-band SAW filter 08. The output ends of the MB Dual SAW 09, the MHB Tri-SAW 010, and the single-band SAW 08 are respectively connected with the radio frequency transceiver 05, so that the radio frequency transceiver 05 receives the low frequency signals and the middle and high frequency signals.
[0096] Optionally, the dual-band surface acoustic wave filter 09 has the following structure: Figure 3B As shown, Figure 3B The present application provides a schematic diagram of a dual-band surface acoustic wave filter, which includes a common port 091 for receiving mid-to-high frequency signals, and two output ports 092 and 093 for separating signals of different frequency bands, such as mid-frequency signals B1 and B3, and high-frequency signals B7 and B2.
[0097] Optionally, the three-band surface acoustic wave filter 010 structure is as follows: Figure 3C As shown, Figure 3C The schematic diagram of a three-band surface acoustic wave filter provided in this application includes a common port 011 for receiving mid-to-high frequency signals, and three output ports 012, 013 and 014 for separating signals of different frequency bands, such as mid-frequency signals B1 and B3 and high-frequency signals B7 or B40.
[0098] In the RF module, antenna ANT4 is a mid-to-high frequency main antenna 021, which can transmit the main carrier SCC signal. ANT4 is connected to the input terminal of single-pole multi-throw switch 03, the output terminal of single-pole multi-throw switch 03 is connected to the input terminal of single-band SAW08, and the output terminal of single-band SAW08 is connected to RF transceiver 05 so that RF transceiver 05 can receive mid-to-high frequency signals.
[0099] Please see Figure 3D , Figure 3D This application provides another exemplary structural schematic diagram, which is related to... Figure 3A They are basically similar, except that the single-pole multi-throw switch 03 connected to antennas ANT0 and ANT1 is replaced by a double-pole multi-throw switch DPXT / dual-port RF module TXM012. Their basic functions are the same, used to control the passage of signals in the preset frequency band. The rest of the structure is the same, and to avoid redundancy, it will not be described again.
[0100] Optionally, this application does not limit the types and quantities of devices such as single-pole multi-throw switches, duplexers, and surface acoustic wave filters.
[0101] The above-mentioned radio frequency module is used in 4G carrier aggregation (CA) as an example. Current radio frequency modules are usually used for low-frequency + mid-frequency downlink carrier aggregation (DL CA), i.e., LB+MB DL CA, low-frequency + high-frequency downlink carrier aggregation, i.e., LB+LB DL CA, mid-frequency + mid-frequency downlink carrier aggregation, i.e., MB+MBDL CA, and mid-frequency + high-frequency downlink carrier aggregation, i.e., MB+HB DL CA.
[0102] However, the above-mentioned radio frequency module only supports partial 2CC DL CA, i.e., the above-mentioned downlink carrier aggregation, does not support low frequency + low frequency downlink carrier aggregation, i.e., LB + LB DL CA, does not support high frequency + high frequency downlink carrier aggregation, i.e., HB + HB DL CA, and does not support 3CC DL CA, and the frequency bands supported are limited, which is not universally applicable, thereby possibly leading to the inability to access the local CA network in some areas or causing slow network download speed, etc.
[0103] Optionally, 2CC means using two carriers for aggregation in a mobile communication network, and CC represents "Component Carrier", i.e., a component subcarrier. 3CC means using three carriers for aggregation in a mobile communication network.
[0104] To solve the above-mentioned problems, the present application provides a radio frequency module, please see Figure 4 , Figure 4 A structural schematic diagram of a radio frequency module provided by an embodiment of the present application, which comprises a main carrier main diversity unit 11, a main carrier diversity unit 12, a sub-carrier main diversity unit 13, and a radio frequency transceiver 14.
[0105] For any unit, the unit comprises an antenna and a triplexer, and the antenna is connected with the radio frequency transceiver through the triplexer. The triplexer is used to separate the mixed frequency band signals sent by the antenna into low frequency signals, medium frequency signals and high frequency signals, and send the low frequency signals, medium frequency signals and high frequency signals to the radio frequency transceiver.
[0106] The triplexer is a passive device used in radio frequency and microwave communication systems, which facilitates the transmission and reception of multiple frequency bands of signals on the same antenna in the antenna system. A plurality of pins are provided on the triplexer, and the functions of the pins are as shown in Table 1:
[0107] Table 1
[0108] Pin Connection Pin Connection 1 Ground GND 5 Ground GND 2 Common Port 6 Middle Band Port 3 Ground GND 7 Ground GND 4 Low Band Port 8 High Band Port
[0109] Optionally, the number of pins in Table 1 and the use of the connection ports corresponding to the pins are only used for illustration, which can be determined according to the type of the triplexer actually applied, and the present application is not limited.
[0110] The structure of the triplexer is described in detail below Figure 5 , Figure 5 A structural schematic diagram of a triplexer provided by an embodiment of the present application, and the working principle is that the antenna is connected with the pin 2, so that the low frequency signals in the mixed signals are separated out through the pin 4, the medium frequency signals in the mixed signals are separated out through the pin 6, and the high frequency signals in the mixed signals are separated out through the pin 8. Among them, the mixed signals include low frequency signals, medium frequency signals and high frequency signals.
[0111] Optionally, the main carrier main diversity unit 11 comprises a main carrier main diversity antenna 111 and a first triplexer 112.
[0112] Optionally, the main carrier diversity unit 12 comprises a main carrier diversity antenna 121 and a second triplexer 122.
[0113] Optionally, the secondary carrier main diversity unit 13 comprises a secondary carrier main diversity antenna 131 and a third triplexer 132.
[0114] In the above embodiments of the present application, the radio frequency module comprises a main carrier main diversity unit, a main carrier diversity unit, a secondary carrier main diversity unit and a radio frequency transceiver. For any of the above units, the unit comprises an antenna and a triplexer, the antenna is connected to the radio frequency transceiver through the triplexer, and the triplexer is used to separate the mixed frequency band signal transmitted by the antenna into low frequency signal, intermediate frequency signal and high frequency signal, and send the low frequency signal, intermediate frequency signal and high frequency signal to the radio frequency transceiver. The present embodiment separates the low frequency signal, intermediate frequency signal and high frequency signal through the triplexer, which can make the radio frequency module support more frequency band combinations, and improve the universal applicability of the radio frequency module.
[0115] Optionally, on the basis of the above embodiments, the structure and composition of the main carrier main diversity unit are specifically described through the following embodiments.
[0116] Please refer to Figure 6 , Figure 6 A structure diagram of a main carrier main diversity unit provided by the present application is shown in the figure. In addition to comprising a main carrier main diversity antenna ANT0111 and a first triplexer 112, the main carrier main diversity unit 11 also comprises a first single-pole multi-throw switch 113, a second single-pole multi-throw switch 114 and a third single-pole multi-throw switch 115.
[0117] The first triplexer 112 comprises a first antenna pin, a first low frequency pin, a first intermediate frequency pin and a first high frequency pin, and the first antenna pin is connected to the main carrier main diversity antenna 111.
[0118] The first low frequency pin is connected to the input end of the first single-pole multi-throw switch 113, and the first single-pole multi-throw switch 113 is used to control the first low frequency signal of the first preset low frequency frequency band to be sent to the radio frequency transceiver 14.
[0119] The first intermediate frequency pin is connected to the input end of the second single-pole multi-throw switch 114, and the second single-pole multi-throw switch 114 is used to control the first intermediate frequency signal of the first preset intermediate frequency frequency band to be sent to the radio frequency transceiver 14.
[0120] The first high-frequency pin is connected with an input end of the third single-pole multi-throw switch 115, and the third single-pole multi-throw switch 115 is used for controlling the first high-frequency signal of the first preset high-frequency frequency band to be transmitted to the radio frequency transceiver 14.
[0121] Optionally, the first single-pole multi-throw switch 113 controls the low-frequency signal B5 to pass through, the second single-pole multi-throw switch 114 controls the intermediate-frequency signal B1 to pass through, and the third single-pole multi-throw switch 115 controls the high-frequency signal B7 to pass through.
[0122] Optionally, the first single-pole multi-throw switch 113 controls the low-frequency signal B8 to pass through, the second single-pole multi-throw switch 114 controls the intermediate-frequency signal B2 to pass through, and the third single-pole multi-throw switch 115 controls the high-frequency signal B40 to pass through.
[0123] Optionally, in the embodiment, the main carrier main set unit 11 can further include a first duplexer 116, a second duplexer 117 and a third duplexer 118.
[0124] The input end of the first duplexer 116 is connected with the output end of the first single-pole multi-throw switch 113, the input end of the second duplexer 117 is connected with the output end of the second single-pole multi-throw switch 114, and the input end of the third duplexer 118 is connected with the output end of the third single-pole multi-throw switch 115.
[0125] The output end of the first duplexer 116, the output end of the second duplexer 117 and the output end of the third duplexer 118 are respectively connected with the radio frequency transceiver 14.
[0126] For any duplexer, the duplexer is used for separating the transmitting signal and the receiving signal of the radio frequency transceiver 14, and the receiving signal is a low-frequency signal or an intermediate-frequency signal or a high-frequency signal, and the transmitting signal is a mixed signal.
[0127] The signal emitted by the main carrier main set antenna ANTO is separated into a low-frequency signal, an intermediate-frequency signal and a high-frequency signal through the triplexer, and then transmitted to the radio frequency transceiver 14 through the duplexers corresponding to the single-pole multi-throw switches, so that the radio frequency transceiver 14 receives the low-frequency signal LB, the intermediate-frequency signal MB and the high-frequency signal HB.
[0128] Optionally, in the embodiment, the main carrier main set unit 11 can further include a power amplifier 119.
[0129] The power amplifier 119 is respectively connected with the radio frequency transceiver 14, the first duplexer 116, the second duplexer 117 and the third duplexer 118.
[0130] The power amplifier 119 is configured to amplify the transmission signal transmitted by the radio frequency transceiver 14, and transmit the amplified transmission signal to the first duplexer 116, the second duplexer 117 and the third duplexer 118, so as to complete the transmission of the transmission signal transmitted by the radio frequency transceiver 14 through the above-mentioned duplexers, the single-pole multi-throw switches connected with the duplexers and the triplexers connected with the single-pole multi-throw switches to the antenna.
[0131] In the embodiment, the number of the first single-pole multi-throw switch 113, the second single-pole multi-throw switch 114, the third single-pole multi-throw switch 115, the first duplexer 116, the second duplexer 117 and the third duplexer 118 can be multiple, and the number of them is not limited in the application.
[0132] In the above-mentioned embodiment of the application, the main carrier diversity unit includes the main carrier diversity antenna, the first triplexer, the plurality of single-pole multi-throw switches and the plurality of duplexers, the low frequency signal, the intermediate frequency signal and the high frequency signal in the mixed signal transmitted by the main carrier diversity antenna are separated through the first triplexer, so that the radio frequency module supports more frequency band combinations, and the universal applicability of the radio frequency module is improved.
[0133] Optionally, the structure and composition of the main carrier diversity unit are specifically described through the following embodiment on the basis of the above-mentioned embodiment.
[0134] Please refer to Figure 7 , Figure 7 A structure schematic diagram of the main carrier diversity unit provided by the embodiment of the application is shown in FIG. 12. In addition to the main carrier diversity antenna ANT1121 and the second triplexer 122, the main carrier diversity unit also includes the fourth single-pole multi-throw switch 123, the fifth single-pole multi-throw switch 124 and the sixth single-pole multi-throw switch 125.
[0135] The second antenna pin, the second low frequency pin, the second intermediate frequency pin and the second high frequency pin are included in the second triplexer 122, and the second antenna pin is connected with the main carrier diversity antenna 121.
[0136] The second low frequency pin is connected with the input end of the fourth single-pole multi-throw switch 123, and the fourth single-pole multi-throw switch 123 is configured to control the second low frequency signal of the second preset low frequency band to be transmitted to the radio frequency transceiver 14.
[0137] The second intermediate frequency pin is connected with the input end of the fifth single-pole multi-throw switch 124, and the fifth single-pole multi-throw switch 124 is configured to control the second intermediate frequency signal of the second preset intermediate frequency band to be transmitted to the radio frequency transceiver 14.
[0138] The second high frequency pin is connected with the input end of the sixth single-pole multi-throw switch 125, and the sixth single-pole multi-throw switch 125 is configured to control the second high frequency signal of the second preset high frequency band to be transmitted to the radio frequency transceiver 14.
[0139] For example, assuming there are three fourth single-pole multi-throw switches 123, the first fourth single-pole multi-throw switch 123 controls the low-frequency signal B5 to pass through, the second fourth single-pole multi-throw switch 123 controls the low-frequency signal B8 to pass through, and the third fourth single-pole multi-throw switch 123 controls the low-frequency signal B12 to pass through, assuming there is a fifth single-pole multi-throw switch that controls the intermediate-frequency signal B1 to pass through, and assuming there is a sixth single-pole multi-throw switch that controls the high-frequency signal B7 to pass through.
[0140] Optionally, in the embodiment, the main carrier diversity unit 12 can further include a first double-band surface acoustic wave filter 126.
[0141] The input end of the first double-band surface acoustic wave filter 126 is connected with the output end of the fourth single-pole multi-throw switch 123.
[0142] The first double-band surface acoustic wave filter 126 is used to control the third low-frequency signal of the first preset low-frequency frequency and the fourth low-frequency signal of the second preset low-frequency frequency to be sent to the radio frequency transceiver 14.
[0143] The double-band surface acoustic wave filter can separate two signals of different frequency bands, for example, when the low-frequency signals B20 and B28 are transmitted at the same time, it can separate the third low-frequency signal B20 of the first preset low-frequency frequency and the fourth low-frequency signal B28 of the second preset low-frequency frequency, and then send the separated low-frequency signals B20 and B28 to the radio frequency transceiver 14, thereby supporting the low-frequency+low-frequency downlink carrier aggregation, i.e. LB+LB DL CA.
[0144] Optionally, in the embodiment, the main carrier diversity unit 12 can further include a first single-band surface acoustic wave filter 127, a second single-band surface acoustic wave filter 128, and a third single-band surface acoustic wave filter 129.
[0145] The input end of the first single-band surface acoustic wave filter 127 is connected with the output end of the fourth single-pole multi-throw switch 123, and the first single-band surface acoustic wave filter 127 is used to control the low-frequency signal of the preset low-frequency frequency to be sent to the radio frequency transceiver 14.
[0146] The input end of the second single-band surface acoustic wave filter 128 is connected with the output end of the fifth single-pole multi-throw switch 124, and the second single-band surface acoustic wave filter 128 is used to control the intermediate-frequency signal of the preset intermediate-frequency frequency to be sent to the radio frequency transceiver 14.
[0147] The input end of the third single-band surface acoustic wave filter 129 is connected with the output end of the sixth single-pole multi-throw switch 125, and the third single-band surface acoustic wave filter 129 is used to control the high-frequency signal of the preset high-frequency frequency to be sent to the radio frequency transceiver 14.
[0148] The main carrier diversity path is mainly used for signal reception. The signal emitted by the main carrier diversity antenna ANT1 is separated into low frequency signals, intermediate frequency signals and high frequency signals by the triplexer. The low frequency signals are sent to the radio frequency transceiver 14 through the corresponding single-pole multi-throw switch and the first double-band surface acoustic wave filter or single-band surface acoustic wave filter corresponding to the single-pole multi-throw switch, so that the radio frequency transceiver 14 receives different low frequency signals LB. The intermediate frequency signals and the high frequency signals are sent to the radio frequency transceiver 14 through the corresponding single-pole multi-throw switch and the single-band surface acoustic wave filter corresponding to the single-pole multi-throw switch, so that the radio frequency transceiver 14 receives the intermediate frequency signals MB and the high frequency signals HB.
[0149] In the embodiment, the number of the fourth single-pole multi-throw switch 123, the fifth single-pole multi-throw switch 124, the sixth single-pole multi-throw switch 125, the first double-band surface acoustic wave filter 126, the first single-band surface acoustic wave filter 127, the second single-band surface acoustic wave filter 128 and the third single-band surface acoustic wave filter 129 can be multiple, and the number thereof is not limited in the present application.
[0150] In the above-mentioned embodiment of the present application, the main carrier diversity unit includes the main carrier diversity antenna, the second triplexer, the first double-band surface acoustic wave filter and the single-band surface acoustic wave filter. The low frequency signals, the intermediate frequency signals and the high frequency signals in the mixed signals sent by the main carrier diversity antenna are separated by the second triplexer. At the same time, two different low frequency signals can be separated by the first double-band surface acoustic wave filter, so that the radio frequency module can support the frequency band combination of low frequency+low frequency, thereby further increasing the frequency band combination that the radio frequency module can support, and further improving the universal applicability of the radio frequency module.
[0151] Optionally, on the basis of the above-mentioned embodiment, the structure and composition of the sub-carrier main set unit are specifically described by the following embodiment.
[0152] Please refer to Figure 8 , Figure 8 A structure diagram of a sub-carrier main set unit provided by the embodiment of the present application is shown in the figure. In addition to the sub-carrier main set antenna ANT2131 and the third triplexer 132, the sub-carrier main set unit also includes the seventh single-pole multi-throw switch 133, the eighth single-pole multi-throw switch 134 and the ninth single-pole multi-throw switch 135.
[0153] The third triplexer 132 includes a third antenna pin, a third low frequency pin, a third intermediate frequency pin and a third high frequency pin. The third antenna pin is connected with the sub-carrier main set antenna 131.
[0154] The third low-frequency pin is connected to the input terminal of the seventh single-pole multi-throw switch 133, which is used to control the transmission of the fifth low-frequency signal of the third preset low-frequency band to the radio frequency transceiver 14.
[0155] The third intermediate frequency pin is connected to the input terminal of the eighth single-pole multi-throw switch 134. The eighth single-pole multi-throw switch 134 is used to control the transmission of the third intermediate frequency signal of the third preset intermediate frequency band to the radio frequency transceiver 14.
[0156] The third high-frequency pin is connected to the input terminal of the ninth single-pole multi-throw switch 135, which is used to control the transmission of the third high-frequency signal of the third preset high-frequency band to the radio frequency transceiver 14.
[0157] Optionally, in this embodiment, the subcarrier master unit 13 further includes a second dual-band surface acoustic wave filter 136.
[0158] The input terminal of the second dual-band surface acoustic wave filter 136 is connected to the output terminal of the seventh single-pole multi-throw switch 133.
[0159] The second dual-band surface acoustic wave filter 136 is used to control the transmission of the sixth low-frequency signal at the third preset low-frequency frequency and the seventh low-frequency signal at the fourth preset low-frequency frequency to the radio frequency transceiver 14.
[0160] The principle of the second dual-band surface acoustic wave filter 136 is the same as described above. Figure 7 The embodiments shown are the same; please refer to [link / reference]. Figure 7 The contents of the first dual-band surface acoustic wave filter in the illustrated embodiment.
[0161] Optionally, in this embodiment, the subcarrier master unit further includes a fourth single-band surface acoustic wave filter 137, a fifth single-band surface acoustic wave filter 138, and a sixth single-band surface acoustic wave filter 139.
[0162] The input terminal of the fourth single-band surface acoustic wave filter 137 is connected to the output terminal of the seventh single-pole multi-throw switch 133. The fourth single-band surface acoustic wave filter 137 is used to control the transmission of low-frequency signals at a preset low-frequency frequency to the radio frequency transceiver 14.
[0163] The input terminal of the fifth single-band surface acoustic wave filter 138 is connected to the output terminal of the eighth single-pole multi-throw switch 134. The fifth single-band surface acoustic wave filter 138 is used to control the intermediate frequency signal of the preset intermediate frequency to be sent to the radio frequency transceiver 14.
[0164] The input terminal of the sixth single-band surface acoustic wave filter 139 is connected to the output terminal of the ninth single-pole multi-throw switch 135. The sixth single-band surface acoustic wave filter 139 is used to control the transmission of high-frequency signals at a preset high frequency to the radio frequency transceiver 14.
[0165] Optionally, the subcarrier main set channel is also mainly used for receiving signals. The signals emitted by the subcarrier main set antenna ANT2 are separated into low frequency signals, intermediate frequency signals and high frequency signals by the triplexer. The low frequency signals are sent to the radio frequency transceiver 14 through the corresponding single-pole multi-throw switch and the second double-band surface acoustic wave filter or single-band surface acoustic wave filter corresponding to the single-pole multi-throw switch, so that the radio frequency transceiver 14 receives different low frequency signals LB. The intermediate frequency signals and the high frequency signals are sent to the radio frequency transceiver 14 through the corresponding single-pole multi-throw switch and the single-band surface acoustic wave filter corresponding to the single-pole multi-throw switch, so that the radio frequency transceiver 14 receives the intermediate frequency signals MB and the high frequency signals HB.
[0166] In the embodiment, the number of the seventh single-pole multi-throw switch 133, the eighth single-pole multi-throw switch 134, the ninth single-pole multi-throw switch 135, the second double-band surface acoustic wave filter 136, the fourth single-band surface acoustic wave filter 137, the fifth single-band surface acoustic wave filter 138 and the sixth single-band surface acoustic wave filter 139 can be multiple, and the number thereof is not limited in the present application.
[0167] In the above-mentioned embodiment of the present application, the subcarrier main set unit includes a subcarrier main set antenna, a third triplexer, a second double-band surface acoustic wave filter and a single-band surface acoustic wave filter. The low frequency signals, the intermediate frequency signals and the high frequency signals in the mixed signals sent by the subcarrier main set antenna are separated by the third triplexer. At the same time, two different low frequency signals can be separated by the second double-band surface acoustic wave filter, so that the radio frequency module can support the frequency band combination of low frequency+low frequency, thereby further increasing the frequency band combination that the radio frequency module can support, and further improving the universal applicability of the radio frequency module.
[0168] Optionally, the present application also includes a subcarrier diversity unit 15, please refer to Figure 9 , Figure 9 A structure diagram of a subcarrier diversity unit provided by the embodiment of the present application is shown. The subcarrier diversity unit includes a subcarrier diversity antenna 151, a single-pole multi-throw switch module 152 and a single-band surface acoustic wave filter module 153.
[0169] The subcarrier diversity antenna 151 is connected with the input end of the single-pole multi-throw switch module 152. The output end of the single-pole multi-throw switch module 152 is connected with the input end of the single-band surface acoustic wave filter module 153. The output end of the single-band surface acoustic wave filter module 153 is connected with the radio frequency transceiver 14.
[0170] Optionally, the single-band surface acoustic wave filter module 153 includes at least one single-band surface acoustic wave filter, for example, the seventh single-band surface acoustic wave filter 1531, the eighth single-band surface acoustic wave filter 1532 and the ninth single-band surface acoustic wave filter 1533.
[0171] The input end of the seventh single-band SAW filter 1531 for controlling low-frequency signals is connected with the single-pole multi-throw switch module 152, and the output end of the seventh single-band SAW filter 1531 is connected with the radio frequency transceiver 14. The seventh single-band SAW filter 1531 is used to control the eighth low-frequency signal of the fifth preset low-frequency frequency to be sent to the radio frequency transceiver 14.
[0172] The input end of the eighth single-band SAW filter 1532 for controlling intermediate-frequency signals is connected with the single-pole multi-throw switch module 152, and the output end of the eighth single-band SAW filter 1532 is connected with the radio frequency transceiver 14. The eighth single-band SAW filter 1532 is used to control the fourth intermediate-frequency signal of the first preset intermediate-frequency frequency to be sent to the radio frequency transceiver 14.
[0173] The input end of the ninth single-band SAW filter 1533 for controlling high-frequency signals is connected with the single-pole multi-throw switch module 152, and the output end of the ninth single-band SAW filter 1533 is connected with the radio frequency transceiver 14. The ninth single-band SAW filter 1533 is used to control the fourth high-frequency signal of the first preset high-frequency frequency to be sent to the radio frequency transceiver 14.
[0174] In the embodiment, each single-band SAW filter controls the passage of low-frequency signals, intermediate-frequency signals or high-frequency signals that meet the preset frequency.
[0175] It can be understood that the number of single-band SAW filters included in the single-pole multi-throw switch module 152 and the number of single-band SAW filter modules 153 included in the single-pole multi-throw switch module 152 are not limited in the embodiment.
[0176] In the above-mentioned embodiments of the present application, through the single-band SAW filters connected with the single-pole multi-throw switch module, different single-band SAW filters can realize the separation of low-frequency signals, intermediate-frequency signals and high-frequency signals, so that the radio frequency module supports more frequency band combinations, and the universal applicability of the radio frequency module is improved.
[0177] In summary, the complete structure diagram of the radio frequency module obtained from the above multiple embodiments is shown in Figure 10 Figure 10 Another structure diagram of a radio frequency module provided by the embodiment of the present application is provided, which includes a main carrier main diversity unit 11, a main carrier diversity unit 12, a sub-carrier main diversity unit 13, a radio frequency transceiver 14, and a sub-carrier diversity unit 15. The connection relationship and the role of each part are described above, and will not be repeated. The radio frequency module of the present application can support 2CC DL CA combination, including low frequency + low frequency downlink carrier aggregation, i.e. LB+LB DL CA, for example, B8+B20, B20+B28, B8+B28. It can also support 3CC DL CA combination, for example, medium frequency + medium frequency + high frequency: B1+B3+B7, B1+B3+40 / 41, B2+B4+B7, low frequency + medium frequency + high frequency: B28+B1+B7, medium frequency + medium frequency + high frequency: B1+B3+B7 / B40 / B41, B2+B4+B7, etc., so as to meet the use demand of different frequency combination in different regions, increase the network coverage range and improve the cellular data downlink rate.
[0178] Optionally, the low frequency band includes but is not limited to B5 / B8 / B12 / B17 / B20 / B28 / B71, the medium frequency band includes but is not limited to B1 / B2 / B3 / B4 / B66, and the high frequency band includes but is not limited to B7 / B38 / B40 / B41.
[0179] The present application also provides a smart terminal, which includes the radio frequency module described in any of the above embodiments.
[0180] It can be understood that the above scenarios are only examples and do not constitute a limitation on the application scenarios of the technical solutions provided by the embodiments of the present application. The technical solutions provided by the embodiments of the present application are also applicable to other scenarios. For example, those skilled in the art can know that with the evolution of system architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.
[0181] The above sequence numbers of the embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.
[0182] The steps in the method of the embodiments of the present application can be adjusted, combined and deleted according to actual needs.
[0183] The units in the device of the embodiments of the present application can be combined, divided and deleted according to actual needs.
[0184] In the present application, for the same or similar term concept, technical scheme and / or application scene description, generally only the first time is described in detail, and the later repeated description is not repeated, and the same or similar term concept, technical scheme and / or application scene description can be referred to the previous relevant description.
[0185] In the present application, the description of each embodiment has its own focus, and the parts not described or recorded in a certain embodiment can be referred to the relevant description of other embodiments.
[0186] The technical features of the technical scheme of the present application can be combined arbitrarily, in order to make the description simple, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of these technical features does not exist contradictory, should be considered as the range recorded in the present application.
[0187] Through the description of the above embodiments, those skilled in the art can clearly understand that the above-mentioned embodiment method can be realized by software and necessary general hardware platform, of course, it can also be realized by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical scheme of the present application can be embodied in the form of software product, and the computer software product is stored in the above-mentioned storage medium (such as ROM / RAM, magnetic disc, optical disc), including a plurality of instructions for making a terminal device (which can be a mobile phone, computer, server, controlled terminal, or network device, etc.) execute the method of each embodiment of the present application.
[0188] In the above embodiments, all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof. When implemented by software, all or part of the embodiments can be implemented 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, all or part of the processes or functions according to the embodiments of the present application are generated. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions can 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 can be transmitted from one website, computer, server or data center to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line) or wireless (such as infrared, wireless, microwave, etc.) mode. The computer readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. integrated with one or more available media. The available media can be magnetic media (for example, floppy disk, storage disk, magnetic tape), optical media (for example, DVD), or semiconductor media (for example, solid state disk (SSD)) and the like.
[0189] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings of the present application, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A radio frequency module, characterized in that, It includes a main carrier master unit, a main carrier diversity unit, a subcarrier master unit, and a radio frequency transceiver; For any unit, the unit includes an antenna and a tripod, the antenna being connected to the radio frequency transceiver via the tripod; The triplet is used to separate the mixed-frequency signal transmitted by the antenna into low-frequency signal, intermediate-frequency signal and high-frequency signal, and transmit the low-frequency signal, intermediate-frequency signal and high-frequency signal to the radio frequency transceiver.
2. The radio frequency module according to claim 1, characterized in that, The main carrier master unit includes a main carrier master antenna and a first tripper. The first tripper includes a first antenna pin, a first low-frequency pin, a first intermediate-frequency pin, and a first high-frequency pin. The first antenna pin is connected to the main carrier master antenna. The main carrier main unit also includes a first single-pole multiple-throw switch, a second single-pole multiple-throw switch and a third single-pole multiple-throw switch; Includes at least one of the following: The first low-frequency pin is connected to the input terminal of the first single-pole multi-throw switch, and the first single-pole multi-throw switch is used to control the first low-frequency signal of the first preset low-frequency band to be sent to the radio frequency transceiver. The first intermediate frequency pin is connected to the input terminal of the second single-pole multi-throw switch, and the second single-pole multi-throw switch is used to control the first intermediate frequency signal of the first preset intermediate frequency band to be sent to the radio frequency transceiver; The first high-frequency pin is connected to the input terminal of the third single-pole multi-throw switch, and the third single-pole multi-throw switch is used to control the transmission of the first high-frequency signal of the first preset high-frequency band to the radio frequency transceiver.
3. The radio frequency module according to claim 2, characterized in that, The main carrier main unit further includes a first duplexer, a second duplexer, and a third duplexer; The input terminal of the first duplexer is connected to the output terminal of the first single-pole multi-throw switch, the input terminal of the second duplexer is connected to the output terminal of the second single-pole multi-throw switch, and the input terminal of the third duplexer is connected to the output terminal of the third single-pole multi-throw switch. The output terminals of the first duplexer, the second duplexer, and the third duplexer are respectively connected to the radio frequency transceiver. For any duplexer, the duplexer is used to separate the transmit signal and the receive signal of the radio frequency transceiver, wherein the received signal is the low-frequency signal, the intermediate-frequency signal, or the high-frequency signal.
4. The radio frequency module according to claim 1, characterized in that, The main carrier diversity unit includes a main carrier diversity antenna and a second triplexer. The second triplexer includes a second antenna pin, a second low-frequency pin, a second intermediate-frequency pin, and a second high-frequency pin. The second antenna pin is connected to the main carrier diversity antenna. The main carrier diversity unit also includes a fourth single-pole multiple-throw switch, a fifth single-pole multiple-throw switch and a sixth single-pole multiple-throw switch; Includes at least one of the following: The second low-frequency pin is connected to the input terminal of the fourth single-pole multi-throw switch, which is used to control the second low-frequency signal of the second preset low-frequency band to be sent to the radio frequency transceiver. The second intermediate frequency pin is connected to the input terminal of the fifth single-pole multi-throw switch, which is used to control the second intermediate frequency signal of the second preset intermediate frequency band to be sent to the radio frequency transceiver; The second high-frequency pin is connected to the input terminal of the sixth single-pole multi-throw switch, which is used to control the transmission of the second high-frequency signal of the second preset high-frequency band to the radio frequency transceiver.
5. The radio frequency module according to claim 4, characterized in that, The main carrier diversity unit also includes a first dual-band surface acoustic wave filter; The input terminal of the first dual-band surface acoustic wave filter is connected to the output terminal of the fourth single-pole multi-throw switch; The first dual-band surface acoustic wave filter is used to control the transmission of a third low-frequency signal at a first preset low-frequency frequency and a fourth low-frequency signal at a second preset low-frequency frequency to the radio frequency transceiver.
6. The radio frequency module according to claim 1, characterized in that, The subcarrier master unit includes a subcarrier master antenna and a third tripper. The third tripper includes a third antenna pin, a third low-frequency pin, a third intermediate-frequency pin, and a third high-frequency pin. The third antenna pin is connected to the subcarrier master antenna. The subcarrier master unit also includes a seventh single-pole multiple-throw switch, an eighth single-pole multiple-throw switch, and a ninth single-pole multiple-throw switch; Includes at least one of the following: The third low-frequency pin is connected to the input terminal of the seventh single-pole multi-throw switch, and the seventh single-pole multi-throw switch is used to control the fifth low-frequency signal of the third preset low-frequency band to be sent to the radio frequency transceiver. The third intermediate frequency pin is connected to the input terminal of the eighth single-pole multi-throw switch, and the eighth single-pole multi-throw switch is used to control the transmission of the third intermediate frequency signal of the third preset intermediate frequency band to the radio frequency transceiver. The third high-frequency pin is connected to the input terminal of the ninth single-pole multi-throw switch, which is used to control the transmission of the third high-frequency signal in the third preset high-frequency band to the radio frequency transceiver.
7. The radio frequency module according to claim 6, characterized in that, The subcarrier master unit also includes a second dual-band surface acoustic wave filter. The input terminal of the second dual-band surface acoustic wave filter is connected to the output terminal of the seventh single-pole multi-throw switch; The second dual-band surface acoustic wave filter is used to control the transmission of a sixth low-frequency signal at a third preset low-frequency frequency and a seventh low-frequency signal at a fourth preset low-frequency frequency to the radio frequency transceiver.
8. The radio frequency module according to claim 1, characterized in that, The radio frequency module also includes a subcarrier diversity unit; The subcarrier diversity unit includes a subcarrier diversity antenna, a single-pole multi-throw switch module, and a single-band surface acoustic wave filter module. The subcarrier diversity antenna is connected to the input terminal of the single-pole multi-throw switch module, the output terminal of the single-pole multi-throw switch module is connected to the input terminal of the single-band surface acoustic wave filter module, and the output terminal of the single-band surface acoustic wave filter module is connected to the radio frequency transceiver.
9. The radio frequency module according to claim 8, characterized in that, The single-band surface acoustic wave filter module includes at least one single-band surface acoustic wave filter. Includes at least one of the following: The input terminal of the single-band surface acoustic wave filter is connected to the single-pole multi-throw switch module, and the output terminal of the single-band surface acoustic wave filter is connected to the radio frequency transceiver. A single-band surface acoustic wave filter used to control low-frequency signals controls the transmission of an eighth low-frequency signal at a corresponding fifth preset low-frequency frequency to the radio frequency transceiver. A single-band surface acoustic wave filter used to control the intermediate frequency signal controls the transmission of a fourth intermediate frequency signal at a first preset intermediate frequency frequency to the radio frequency transceiver; A single-band surface acoustic wave filter for controlling high-frequency signals controls a fourth high-frequency signal at a first preset high-frequency frequency to be transmitted to the radio frequency transceiver.
10. A smart terminal, characterized in that, It includes the body and the radio frequency module as described in any one of claims 1-9.