CN107896119A - Antenna duplexer circuit and mobile terminal - Google Patents

Abstract

The embodiment of the present invention discloses an antenna sharing circuit and a mobile terminal. The antenna sharing circuit includes a main antenna, an auxiliary antenna, a switch, a control module, a main set receiving module, a diversity receiving module, a first cellular network module, a second cellular The network module and the WiFi module, the switching switch includes a first selection terminal, a second selection terminal, a third selection terminal, a main antenna connection terminal, an auxiliary antenna connection terminal and a control terminal, the main antenna connection terminal is connected to the main antenna, and the auxiliary antenna connection terminal is connected to Auxiliary antenna; when using the WiFi network, the control module is used to control the WiFi module to connect to the main antenna or the auxiliary antenna through a switch, and to control the disconnection of the main receiver module from the main antenna and the auxiliary antenna, and to control diversity reception The module is disconnected from the primary and secondary antennas. The embodiment of the present invention can ensure that the USB device can work normally during the process of switching from the UART interface to the USB interface.

Description

Antenna sharing circuit and mobile terminal

technical field

The invention relates to the technical field of terminals, in particular to an antenna sharing circuit and a mobile terminal.

Background technique

At present, the WiFi module of mobile terminals such as mobile phones generally adopts dual-antenna technology. The most common dual-antenna implementation method is: one WiFi antenna is independently designed, and the other WiFi antenna is shared with the main antenna. However, when the current WiFi antenna and the main antenna share a common antenna, the WiFi path between the shared antenna and the WiFi module must pass through the main set module or the diversity module connected to the shared antenna, resulting in loss of the WiFi signal, thereby reducing the WiFi performance.

Contents of the invention

The embodiment of the present invention provides an antenna sharing circuit and a mobile terminal, which can reduce the insertion loss of a WiFi path.

The first aspect of the embodiments of the present invention provides an antenna sharing circuit, including a main antenna, an auxiliary antenna, a switch, a control module, a main receiver module, a diversity receiver module, a first cellular network module, a second cellular network module, and a WiFi module ,in:

The switch includes a first selection end, a second selection end, a third selection end, a main antenna connection end, an auxiliary antenna connection end and a control end, the main antenna connection end is connected to the main antenna, and the auxiliary antenna is connected to The terminal is connected to the auxiliary antenna; the first terminal of the main set receiving module is connected to the first cellular network module, and the second end of the main set receiving module is connected to the first selection terminal; the diversity receiving module’s The first end is connected to the second cellular network module, the second end of the diversity receiving module is connected to the second selection end, the output end of the control module is connected to the control end, and the input end of the WiFi module is connected to the said third selection terminal;

When using a WiFi network, the control module is used to control the WiFi module to connect to the main antenna or the auxiliary antenna through the switch, and to control the main receiver module to communicate with the main antenna and the auxiliary antenna. The auxiliary antenna is disconnected, and is used for controlling the diversity receiving module to disconnect from the main antenna and the auxiliary antenna.

A second aspect of the embodiments of the present invention provides a mobile terminal, including the antenna sharing circuit of the first aspect of the embodiments of the present invention.

In the embodiment of the present invention, when a WiFi network is used, the control module is used to control the WiFi module to connect to the main antenna or the auxiliary antenna through a switch, and to control the main receiver module to disconnect from the main antenna and the auxiliary antenna, and to The control diversity receiving module is disconnected from the main antenna and the auxiliary antenna. Compared with the prior art when the antenna is shared, the WiFi signal needs to pass through the main receiver module and the diversity receiver module, which can reduce the WiFi signal loss and the WiFi channel insertion loss.

Description of drawings

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

FIG. 1 is a schematic structural diagram of an antenna sharing circuit disclosed in an embodiment of the present invention;

Fig. 2a is a schematic structural diagram of another antenna sharing circuit disclosed by an embodiment of the present invention;

Fig. 2b is a schematic structural diagram of another antenna sharing circuit disclosed by an embodiment of the present invention;

Fig. 2c is a schematic structural diagram of another antenna sharing circuit disclosed by an embodiment of the present invention;

Fig. 2d is a schematic structural diagram of another antenna sharing circuit disclosed by an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of another antenna sharing circuit disclosed in an embodiment of the present invention;

Fig. 4a is a schematic structural diagram of another antenna sharing circuit disclosed by an embodiment of the present invention;

Fig. 4b is a schematic structural diagram of another antenna sharing circuit disclosed by an embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a mobile terminal disclosed in an embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally includes Other steps or units inherent in a process, product, or equipment.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

In addition, the mobile terminals involved in the embodiments of the present invention may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) and so on. For convenience of description, the devices mentioned above are collectively referred to as mobile terminals.

The following describes the embodiments of the present invention in detail.

When the current WiFi antenna and the main antenna share a common antenna, the WiFi path between the shared antenna and the WiFi module must pass through the main receiver module or the diversity receiver module connected to the shared antenna, resulting in loss of WiFi signals.

Based on this, an embodiment of the present invention provides an antenna sharing circuit and a mobile terminal, which will be described in detail below.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of an antenna sharing circuit disclosed in an embodiment of the present invention. As shown in FIG. 1, the antenna sharing circuit includes a main antenna 11, an auxiliary antenna 12, a switch 21, a control module 31, The main set receiving module 41, the diversity receiving module 42, the first cellular network module 51, the second cellular network module 52 and the WiFi module 61, wherein:

The switch 21 includes a first selection terminal 211, a second selection terminal 212, a third selection terminal 213, a main antenna connection terminal 214, an auxiliary antenna connection terminal 215 and a control terminal 216. The main antenna connection terminal 214 is connected to the main antenna 11, the auxiliary antenna The connection end 215 is connected to the auxiliary antenna 12; the first end 411 of the main set receiving module 41 is connected to the first cellular network module 51, and the second end 412 of the main set receiving module 41 is connected to the first selection end 211; the first end 411 of the diversity receiving module 42 Terminal 421 is connected to the second cellular network module 51, the second terminal 422 of the diversity receiving module 42 is connected to the second selection terminal 212, the output terminal 311 of the control module 31 is connected to the control terminal 216, and the input terminal 611 of the WiFi module 61 is connected to the third selection terminal 213;

When using the WiFi network, the control module 31 is used to control the WiFi module 61 to connect the main antenna 11 or the auxiliary antenna 12 through the switch 21, and to control the main set receiving module 41 to disconnect the main antenna 11 and the auxiliary antenna 12, and It is used for controlling the disconnection of the diversity receiving module 42 from the main antenna 11 and the auxiliary antenna 12 .

The antenna sharing circuit in the embodiment of the present invention is used in mobile terminals such as mobile phones. When the main set receiving module 41 is connected to the main antenna 11 through the switch 21, the main set receiving module 41 receives the radio frequency signal from the main antenna 11, and the received The radio frequency signal is filtered and amplified before being transmitted to the first cellular network module 51 . If the mobile terminal supports a 4G mobile network, the first cellular network module 51 may be a Long Term Evolution (Long Term Evolution, LTE) module. When the main set receiving module 41 is connected to the auxiliary antenna 12 through the switch 21, the main set receiving module 41 receives the radio frequency signal from the auxiliary antenna 12, and transmits the received radio frequency signal to the first cellular network module 51 after filtering and amplifying. . The diversity receiving module 42 is a radio frequency receiving module added in order to counteract the influence of fast fading on the received signal. Since the multipath component signal is generated due to interference such as reflection during signal transmission, the mobile terminal can simultaneously receive different paths by using the main antenna and the auxiliary antenna. signals, and then select and combine these signals into a total signal to reduce the influence of signal fading. In short, using the main set receiving module 41 and the diversity receiving module 42 at the same time is to combine the signals received by the main set receiving module 41 and the diversity receiving module 42, as long as several signals are independent of each other, through appropriate After combining, the maximum signal gain can be obtained.

Optionally, the first cellular network module 51 includes a Long Term Evolution LTE module, a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) module, a Wideband Code Division Multiple Access (WCDMA ) module and any one of the Global System for Mobile Communication (GlobalSystem for Mobile Communication, GSM) module; the second cellular network module 52 includes any one of the LTE module, TD-SCDMA module, WCDMA module and GSM module.

Wherein, if the first cellular network module 51 includes an LTE module, it indicates that the mobile terminal supports a 4G network; if the first cellular network module 51 includes a TD-SCDMA module or a WCDMA module, it indicates that the mobile terminal supports a 3G network; Module 51 includes a GSM module, which means that the mobile terminal supports 2G network.

When the main set receiving module 41 is connected with the main antenna 11 through the switch 21, the diversity receiving module 42 is connected with the auxiliary antenna 12 through the switch 21, and the main set receiving module 41 and the diversity receiving module 42 filter and amplify the received radio frequency signal After transmission to the first cellular network 51 and the second cellular network 52, the first cellular network 51 and the second cellular network 52 combine the received radio frequency signals to maximize the signal gain of the combined radio frequency signals.

Generally speaking, the main set receiving module 41 is connected with the main antenna 11 through the switch 21, and the diversity receiving module 42 is connected with the auxiliary antenna 12 through the switch 21. When the signal received by the main antenna 11 is weak, and the signal received by the auxiliary antenna 12 is weak When it is strong, the switch 21 can be switched so that the main set receiving module 41 is connected to the auxiliary antenna 12 , and the diversity receiving module 42 is connected to the main antenna 11 . It should be noted that the main antenna 11 cannot be connected to the main receiving module 41 and the diversity receiving module 21 at the same time, and the auxiliary antenna 12 cannot be connected to the main receiving module 41 and the diversity receiving module 21 at the same time. At the same time point, the main antenna 11 can only be connected with one of the main set receiving module 41, the diversity receiving module 42, and the WiFi module 61, and the auxiliary antenna 12 can only be connected with the main antenna 11 and can only be connected with the main set receiving module 41, One of the diversity receiving module 42 and the WiFi module 61 is connected, and at the same time point, the modules connected to the main antenna 11 and the auxiliary antenna 12 are different.

In the embodiment of the present invention, the WiFi module 61 , the first cellular network module 51 and the second cellular network module 52 share two antennas (the main antenna 11 and the auxiliary antenna 12 ). When using the WiFi network, the control module 31 is used to control the WiFi module 61 to connect the main antenna 11 or the auxiliary antenna 12 through the switch 21, and to control the main set receiving module 41 to disconnect the main antenna 11 and the auxiliary antenna 12, and It is used for controlling the disconnection of the diversity receiving module 42 from the main antenna 11 and the auxiliary antenna 12 . Since in the antenna sharing circuit of FIG. 1 , the WiFi module 61 can directly communicate with the main antenna 11 or the auxiliary antenna 12 through the switch 21, a WiFi path between the WiFi module and the main antenna 11 or the auxiliary antenna 12 can be established through the switch. , the WiFi path does not pass through the main set receiving module 41 and the diversity receiving module 42, the WiFi signal only needs to pass through the switch, and does not need to pass through the main set receiving module 41 and the diversity receiving module 42, and the WiFi signal needs to pass through the main set when sharing the antenna with the prior art. Compared with the diversity receiving module, the integrated receiving module can reduce the WiFi signal loss and the insertion loss of the WiFi channel.

Optionally, the control module 31 is used to control the WiFi module 61 to connect to the main antenna 11 or the auxiliary antenna 12 through the switch 21, and to control the main set receiving module 41 to disconnect from the main antenna 11 and the auxiliary antenna 12, and for The control diversity receiving module 42 is disconnected from the main antenna 11 and the auxiliary antenna 12, specifically:

The control module 31 is used to control the third selection terminal 213 to be connected to the main antenna connection terminal 214 or the auxiliary antenna connection terminal 215, and to control the first selection terminal 211 to be disconnected from the main antenna connection terminal 214 and the auxiliary antenna connection terminal 215, And it is used to control the disconnection of the second selection terminal 212 from the main antenna connection terminal 214 and the auxiliary antenna connection terminal 215 .

The embodiment of the present invention provides a specific implementation manner of realizing the connection between the WiFi module 61 and the main antenna 11 or the auxiliary antenna 12 through the switching switch 21 . Wherein, the switch 21 may be a three-pole double-throw switch, as shown in FIG. 2a. The specific connection mode of the switch 21 in the embodiment of the present invention can be referred to as shown in Figure 2b or Figure 2c, wherein, in Figure 2b, the WiFi module 61 is connected to the main antenna 11; in Figure 2c, the WiFi module 61 is connected to the auxiliary antenna 12 connections. In FIG. 2 b and FIG. 2 c , neither the main set receiving module 41 nor the diversity receiving module 42 can be connected to the main antenna 11 and the auxiliary antenna 12 .

Optionally, the switch 21 may also include at least six switch tubes. Correspondingly, the switch 21 may include six control terminals 216. For example, the switch may include a first switch tube, a second switch tube, and a third switch tube. , the fourth switch tube, the fifth switch tube and the sixth switch tube, the first end of the first switch tube is connected to the first selection end 211, the second end of the first switch tube is connected to the main antenna connection end 214; the second switch tube The first end of the first switching tube is connected to the first selection end 211, the second end of the second switching tube is connected to the auxiliary antenna connection end 215; the first end of the third switching tube is connected to the second selection end 211, and the second end of the third switching tube is connected to The main antenna connection end 214; the first end of the fourth switch tube is connected to the second selection end 211, and the second end of the fourth switch tube is connected to the auxiliary antenna connection end 215; the first end of the fifth switch tube is connected to the second selection end 211 , the second terminal of the fifth switch transistor is connected to the main antenna connection terminal 214 ; the first terminal of the sixth switch transistor is connected to the second selection terminal 211 , and the second terminal of the sixth switch transistor is connected to the auxiliary antenna connection terminal 215 . Wherein, the control terminals of the first switch tube, the second switch tube, the third switch tube, the fourth switch tube, the fifth switch tube and the sixth switch tube can be respectively connected to the six control terminals 216 of the switch. At the same moment, the control module 31 controls at most two of the six switch tubes to be in the conduction state. The switch tube may be any one of semiconductor switch tubes such as a metal oxide semiconductor (metal oxide semiconductor, MOS) field effect transistor, an insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, IGBT), and a triode.

When using a cellular network, the control module 31 is used to control the main set receiving module 41 to connect the main antenna 11 through the switch 21, and the diversity receiving module 42 to connect the auxiliary antenna 12 through the switch 21, or to control the main set receiving module 41 to switch The switch 21 is connected to the auxiliary antenna 12 , and the diversity receiving module 42 is connected to the main antenna 11 through the switch 21 , and is used to control the disconnection of the WiFi module 61 from the main antenna 11 and the auxiliary antenna 12 .

Optionally, the control module 31 is used to control the main set receiving module 41 to connect to the main antenna 11 through the switch 21, and the diversity receiving module 42 to connect to the auxiliary antenna 12 through the switch 21, specifically:

The control module 31 is used for controlling the connection between the first selection terminal 211 and the main antenna connection terminal 214 , and for controlling the connection between the second selection terminal 212 and the auxiliary antenna connection terminal 215 .

The control module 31 is used to control the main set receiving module 41 to connect to the auxiliary antenna 12 through the switch 21, the diversity receiving module 42 to connect to the main antenna 11 through the switch 21, and to control the WiFi module 61 to disconnect from the main antenna 11 and the auxiliary antenna 12 connection, specifically:

The control module 31 is used to control the connection between the first selection terminal 211 and the auxiliary antenna connection terminal 215, and to control the connection between the second selection terminal 212 and the main antenna connection terminal 214, and to control the connection between the third selection terminal 213 and the main antenna 11 and The secondary antenna 12 is disconnected.

In the embodiment of the present invention, the switch 21 may be a three-pole double-throw switch. The specific connection of the switch 21 in the embodiment of the present invention can be referred to as shown in Figure 2d, wherein, in Figure 2d, the main set receiving module 41 is connected to the main antenna 11, and the diversity receiving module 42 is connected to the auxiliary antenna 12; optional Yes, the main set receiving module 41 is connected to the auxiliary antenna 12, and the diversity receiving module 42 is connected to the main antenna 11. In FIG. 2d, the WiFi module 61 cannot be connected with the main antenna 11 and the auxiliary antenna 12.

Implementing the antenna sharing circuit shown in Figure 1, the WiFi signal only needs to pass through the switch instead of the main receiving module and the diversity receiving module, which can reduce the loss of WiFi signals and the insertion loss of WiFi channels.

Please refer to FIG. 3. FIG. 3 is a schematic structural diagram of another antenna sharing circuit disclosed in an embodiment of the present invention. As shown in FIG. 3, the antenna sharing circuit includes a main antenna 11, an auxiliary antenna 12, a switch 21, and a control module 31 , the main set receiving module 41, the diversity receiving module 42, the first cellular network module 51, the second cellular network module 52 and the WiFi module 61, wherein:

The switch 21 includes a first selection terminal 211, a second selection terminal 212, a third selection terminal 213, a main antenna connection terminal 214, an auxiliary antenna connection terminal 215 and a control terminal 216. The main antenna connection terminal 214 is connected to the main antenna 11, the auxiliary antenna The connection end 215 is connected to the auxiliary antenna 12; the first end 411 of the main set receiving module 41 is connected to the first cellular network module 51, and the second end 412 of the main set receiving module 41 is connected to the first selection end 211; the first end 411 of the diversity receiving module 42 The terminal 421 is connected to the second cellular network module 51, the second terminal 422 of the diversity receiving module 42 is connected to the second selection terminal 212, the control module 31 includes an output terminal 311 and a signal input terminal 312, and the output terminal 311 of the control module 31 is connected to the control terminal 216 , the input terminal 611 of the WiFi module 61 is connected to the third selection terminal 213; the signal input terminal 312 is connected to the signal detection terminal 612 of the WiFi module 61;

When using the WiFi network, the control module 31 is used to control the WiFi module 61 to connect the main antenna 11 or the auxiliary antenna 12 through the switch 21, and to control the main set receiving module 41 to disconnect the main antenna 11 and the auxiliary antenna 12, and For controlling the diversity receiving module 42 to disconnect from the main antenna 11 and the auxiliary antenna 12;

The control module 31 is also used for detecting the WiFi signal strength received by the WiFi module 61 when using the WiFi network and the WiFi module 61 is connected to the main antenna 11; and for detecting that the WiFi signal strength is less than the preset signal strength threshold, The WiFi module 61 is controlled to be disconnected from the main antenna 11 , and the WiFi module 61 is controlled to be connected to the auxiliary antenna 12 .

In the embodiment of the present invention, the signal input terminal 312 of the control module 31 can periodically receive the WiFi signal strength detected by the signal detection terminal 612 of the WiFi module 61 . When the control module 31 detects that the strength of the signal received by the WiFi module 61 is weak, it can switch the antenna connected to the WiFi module 61 . For example, when the WiFi module 61 is connected to the main antenna 11, if the control module 31 detects that the signal strength received by the WiFi module 61 is less than a preset signal strength threshold (for example, the preset signal strength threshold can be set to -90dbm), the control module 31 controls the WiFi module 61 to connect to the auxiliary antenna 12 and to disconnect from the main antenna 11 . See Figure 4a for details.

For example, when the WiFi module 61 is connected to the auxiliary antenna 12, if the control module 31 detects that the signal strength received by the WiFi module 61 is less than a preset signal strength threshold (for example, the preset signal strength threshold can be set to -90dbm), the control module 31 controls the WiFi module 61 to connect to the main antenna 11 and to disconnect from the auxiliary antenna 12 . See Figure 4b for details.

Implementing the antenna sharing circuit shown in Figure 3, the WiFi signal only needs to pass through the switch instead of the main receiving module and the diversity receiving module, which can reduce the loss of WiFi signals and the insertion loss of WiFi channels. And the WiFi module can select and connect the antenna with stronger WiFi signal strength among the main antenna 11 and the auxiliary antenna 12 by switching the switch, so as to improve the signal strength of the antenna connected to the WiFi module.

The embodiment of the present invention also provides a mobile terminal, as shown in Fig. 5, for the convenience of description, only the parts related to the embodiment of the present invention are shown, and the specific technical details are not disclosed, please refer to the circuit of the embodiment of the present invention part. The mobile terminal can be any terminal device including a mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, sales terminal), vehicle-mounted computer, etc. Taking the mobile terminal as a mobile phone as an example:

Please refer to FIG. 5 . FIG. 5 is a schematic structural diagram of a mobile terminal disclosed in an embodiment of the present invention. In FIG. 5 , a mobile phone is taken as an example for illustration. 5, the mobile phone includes: a radio frequency (Radio Frequency, RF) circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, an audio circuit 960, a wireless fidelity (Wireless Fidelity, WiFi) module 970, a processor 980 , and power supply 990 and other components. Those skilled in the art can understand that the structure of the mobile phone shown in FIG. 5 is not limited to the mobile phone, and may include more or less components than shown in the figure, or combine some components, or arrange different components.

The following is a specific introduction to each component of the mobile phone in conjunction with Figure 5:

RF circuitry 910 may be used for the reception and transmission of information. Generally, the RF circuit 910 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (Low Noise Amplifier, LNA), a duplexer, and the like. In addition, RF circuitry 910 may also communicate with networks and other devices via wireless communications. The above wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile Communication (Global System of Mobilecommunication, GSM), General Packet Radio Service (General Packet Radio Service, GPRS), Code Division Multiple Access (Code Division Multiple Access, CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), e-mail, Short Messaging Service (Short Messaging Service, SMS), etc. The RF circuit 910 may include part of the antenna sharing circuits shown in FIG. 1 to FIG. 4 in the embodiment of the present invention.

The memory 920 can be used to store software programs and modules, and the processor 980 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 920 . The memory 920 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function, etc.; the data storage area may store data created according to the use of the mobile phone, etc. In addition, the memory 920 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The input unit 930 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the mobile phone. Specifically, the input unit 930 may include a fingerprint identification module 931 and other input devices 932 . The fingerprint identification module 931 can collect the fingerprint data of the user on it. In addition to the fingerprint recognition module 931 , the input unit 930 may also include other input devices 932 . Specifically, other input devices 932 may include but not limited to one or more of a touch screen, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, joystick, and the like.

The display unit 940 may be used to display information input by or provided to the user and various menus of the mobile phone. The display unit 940 may include a display screen 941. Optionally, the display screen 941 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like. Although in FIG. 5, the fingerprint identification module 931 and the display screen 941 are used as two independent components to realize the input and input functions of the mobile phone, in some embodiments, the fingerprint identification module 931 and the display screen 941 can be Integrated to realize the input and playback functions of the mobile phone.

The handset may also include at least one sensor 950, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor can include an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display screen 941 according to the brightness of the ambient light, and the proximity sensor can turn off the display screen 941 and/or when the mobile phone is moved to the ear. or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the application of mobile phone posture (such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. repeat.

The audio circuit 960, the speaker 961, and the microphone 962 can provide an audio interface between the user and the mobile phone. The audio circuit 960 can transmit the electrical signal converted from the received audio data to the loudspeaker 961, and the loudspeaker 961 converts it into a sound signal for playback; After being received, it is converted into audio data, and after being processed by the audio data playback processor 980, the audio data is sent to, for example, another mobile phone through the RF circuit 910, or the audio data is played to the memory 920 for further processing.

WiFi is a short-distance wireless transmission technology. The mobile phone can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 970. It provides users with wireless broadband Internet access. The WiFi module 970 in FIG. 5 may correspond to the WiFi modules shown in FIGS. 1 to 4 .

The processor 980 is the control center of the mobile phone, and uses various interfaces (for example, UART interface and USB interface) and lines to connect various parts of the entire mobile phone, by running or executing software programs and/or modules stored in the memory 920, and calling The data stored in the memory 920 executes various functions of the mobile phone and processes data, so as to monitor the mobile phone as a whole. Optionally, the processor 980 may include one or more processing units; preferably, the processor 980 may integrate an application processor (AP) and a modem processor (Modem), wherein the application processor mainly processes the operating system, User interface and application programs, etc., modem processor mainly handles wireless communication. It can be understood that, the foregoing modem processor may not be integrated into the processor 980 .

The mobile phone also includes a power supply 990 (such as a battery) for supplying power to each component. Preferably, the power supply can be logically connected to the processor 980 through the power management system, so that functions such as charging, discharging, and power consumption management can be realized through the power management system.

The mobile phone may also include a camera 9100, and the camera 9100 is used to capture images and videos, and transmit the captured images and videos to the processor 980 for processing.

The mobile phone can also be a Bluetooth module, etc., which will not be repeated here.

In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or can be Integrate into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The embodiments of the present invention have been described in detail above, and specific examples have been used in this paper to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only used to help understand the core idea of the present invention; at the same time, for those in the art Ordinary technicians, according to the idea of the present invention, will have changes in the specific implementation and application range. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. An antenna sharing circuit, characterized in that, comprises a main antenna, an auxiliary antenna, a switch, a control module, a main collection receiving module, a diversity receiving module, a first cellular network module, a second cellular network module and a WiFi module, wherein : The switch includes a first selection end, a second selection end, a third selection end, a main antenna connection end, an auxiliary antenna connection end and a control end, the main antenna connection end is connected to the main antenna, and the auxiliary antenna is connected to The terminal is connected to the auxiliary antenna; the first terminal of the main set receiving module is connected to the first cellular network module, and the second end of the main set receiving module is connected to the first selection terminal; the diversity receiving module’s The first end is connected to the second cellular network module, the second end of the diversity receiving module is connected to the second selection end, the output end of the control module is connected to the control end, and the input end of the WiFi module is connected to the said third selection terminal; When using a WiFi network, the control module is used to control the WiFi module to connect to the main antenna or the auxiliary antenna through the switch, and to control the main receiver module to communicate with the main antenna and the auxiliary antenna. The auxiliary antenna is disconnected, and is used for controlling the diversity receiving module to disconnect from the main antenna and the auxiliary antenna. 2. The circuit according to claim 1, wherein the control module is used to control the WiFi module to connect to the main antenna or the auxiliary antenna through the switch, and to control the main set The receiving module is disconnected from the main antenna and the auxiliary antenna, and is used to control the diversity receiving module to be disconnected from the main antenna and the auxiliary antenna, specifically: The control module is used to control the connection between the third selection terminal and the main antenna connection terminal or the auxiliary antenna connection terminal, and to control the connection between the first selection terminal and the main antenna connection terminal and the auxiliary antenna connection terminal. The antenna connection end is disconnected, and is used to control the second selection end to be disconnected from the main antenna connection end and the auxiliary antenna connection end. 3. The circuit according to claim 1, wherein when a cellular network is used, the control module is used to control the main receiver module to connect the main antenna and the diversity receiver module through the switch Connect the auxiliary antenna through the switch, or control the main receiver module to connect to the auxiliary antenna through the switch, the diversity receiver module to connect to the main antenna through the switch, and use for controlling the WiFi module to disconnect from the main antenna and the auxiliary antenna. 4. The circuit according to claim 3, wherein the control module is used to control the main receiver module to connect to the main antenna through the switch, and the diversity receiver module to connect to the main antenna through the switch The auxiliary antenna is specifically: The control module is used to control the first selection terminal to be connected to the main antenna connection terminal, and to control the second selection terminal to be connected to the auxiliary antenna connection terminal. 5. The circuit according to claim 3, wherein the control module is used to control the main receiving module to connect to the auxiliary antenna through the switch, and the diversity receiving module to connect to the auxiliary antenna through the switch The main antenna, and for controlling the disconnection of the WiFi module from the main antenna and the auxiliary antenna, specifically: The control module is used for controlling the connection between the first selection terminal and the secondary antenna connection terminal, and for controlling the connection between the second selection terminal and the main antenna connection terminal, and for controlling the connection of the third selection terminal terminal is disconnected from the primary antenna and the secondary antenna. 6. The circuit according to claim 1, wherein the control module further comprises a signal input terminal connected to the signal detection terminal of the WiFi module, The control module is also used to detect the WiFi signal strength received by the WiFi module when using the WiFi network and the WiFi module is connected to the main antenna; and to detect that the WiFi signal strength is less than a predetermined When the signal strength threshold is set, control the WiFi module to disconnect from the main antenna, and control the WiFi module to connect to the auxiliary antenna. 7. The circuit according to claim 6, wherein the control module is further configured to detect a WiFi signal received by the WiFi module when a WiFi network is used and the WiFi module is connected to the auxiliary antenna strength; and for controlling the WiFi module to disconnect from the auxiliary antenna and controlling the WiFi module to connect to the main antenna when it is detected that the WiFi signal strength is less than a preset signal strength threshold. 8. The circuit according to claim 1, wherein the switch is a triple-pole double-throw switch. 9. The circuit according to any one of claims 1-8, wherein the first cellular network module comprises a Long Term Evolution LTE module, a Time Division Synchronous Code Division Multiple Access TD-SCDMA module, a Wideband Code Division Multiple Access WCDMA module Any one of modules and Global System for Mobile Communications GSM modules; the second cellular network module includes any one of LTE modules, TD-SCDMA modules, WCDMA modules and GSM modules. 10. A mobile terminal, characterized in that the mobile terminal comprises the circuit according to any one of claims 1-9.