CN112332871A - Antenna circuit and mobile terminal - Google Patents
Antenna circuit and mobile terminal Download PDFInfo
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- CN112332871A CN112332871A CN202011154348.8A CN202011154348A CN112332871A CN 112332871 A CN112332871 A CN 112332871A CN 202011154348 A CN202011154348 A CN 202011154348A CN 112332871 A CN112332871 A CN 112332871A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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Abstract
The invention provides an antenna circuit, which comprises a first antenna transceiving path and at least one second antenna transceiving path, wherein a first signal gain path is arranged between the first antenna transceiving path and the at least one second antenna transceiving path, the signal input end of the first signal gain path is electrically connected with the second antenna transceiving path, the signal output end of the first signal gain path is electrically connected with the first antenna transceiving path, and the first signal gain path is used for collecting and filtering signals on the second antenna transceiving path to provide the signals for the first antenna transceiving path, so that the first antenna transceiving path can receive signals by using antennas of at least two frequency bands when in work, and the utilization rate of the antennas is improved when the antenna circuit works.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an antenna circuit and a mobile terminal.
Background
With the technical development and the continuous upgrade of communication systems, most mobile phones support 5G at present, the number of antennas is increased dramatically, and 2-3 antennas are changed into 9-10 antennas, even 20 antennas. The 5G project has a plurality of antennas, wherein a plurality of antennas have similar functions and operating frequency bands, for example, the operating frequencies of the antennas supporting the intermediate frequency and the high frequency are relatively close; for example, due to problems of platform and device type selection, there are also multiple antennas with close operating frequencies.
However, in the prior art, in a non-carrier aggregation working scenario, when a single frequency band works, only an antenna related to the frequency band works, and other antennas do not work, but the antenna is a passive device, and as long as there is a working frequency band designed for a certain antenna, the antenna can always receive electromagnetic waves in a space, and in some adjacent frequency bands, the antenna can receive electromagnetic waves in the adjacent frequency bands, but not completely receive the electromagnetic waves, so that when an antenna circuit in the prior art works, the utilization rate of the antenna is low.
Disclosure of Invention
The invention provides an antenna circuit and a mobile terminal, which effectively solve the problem of low antenna utilization rate when the antenna circuit works.
In order to solve the above problem, the present invention provides an antenna circuit, which includes a first antenna transceiving path and at least one second antenna transceiving path, wherein a first signal gain path is provided between the first antenna transceiving path and the at least one second antenna transceiving path, a signal input end of the first signal gain path is electrically connected to the second antenna transceiving path, a signal output end of the first signal gain path is electrically connected to the first antenna transceiving path, and the first signal gain path is configured to collect and filter signals on the second antenna transceiving path to provide the signals to the first antenna transceiving path.
Further preferably, the second antenna transceiving path includes a second frequency band antenna group and a second single-pole multi-throw switch, and a moving end of the second single-pole multi-throw switch is electrically connected to one antenna of the second frequency band antenna group.
Preferably, the first signal gain path includes a first filter, two ends of the first filter are electrically connected to the first antenna transceiving path and a dead end of the second single-pole multi-throw switch, respectively, and the first filter is configured to filter signals in a frequency band other than the operating frequency band of the first antenna transceiving path.
Further preferably, the antenna circuit further includes a baseband chip, and the baseband chip is configured to control the second single-pole multi-throw switch to conduct different signal paths.
Further preferably, the first antenna transceiving path includes a first frequency band antenna group, where:
the first frequency band antenna group is provided with a first frequency band transmitting antenna, a first frequency band main set receiving antenna, a first frequency band diversity receiving antenna, a first frequency band MIMO receiving antenna and a first frequency band MIMO diversity receiving antenna;
the second frequency band antenna group is provided with a second frequency band transmitting antenna, a second frequency band main set receiving antenna, a second frequency band diversity receiving antenna, a second frequency band MIMO receiving antenna and a second frequency band MIMO diversity receiving antenna.
Further preferably, when the antenna circuit receives a signal, the type of the antenna in which the first frequency band antenna group is in an operating state is different from the type of the antenna in which the second frequency band antenna group is in an operating state.
Further preferably, a second signal gain path is provided between the first antenna transceiving path and the at least one second antenna transceiving path, a signal input end of the second signal gain path is electrically connected to the first antenna transceiving path, a signal output end of the second signal gain path is electrically connected to the second antenna transceiving path, and the second signal gain path is configured to collect and filter signals on the first antenna transceiving path to provide the signals to the second antenna transceiving path.
Further preferably, the first antenna transceiving path includes a first single-pole multi-throw switch, and a moving end of the first single-pole multi-throw switch is electrically connected to one antenna of the first frequency band antenna group of the first antenna transceiving path.
Further preferably, the second signal gain path includes a second filter, two ends of the second filter are electrically connected to the second antenna transceiving path and a dead end of the first single-pole multi-throw switch, respectively, and the second filter is configured to filter signals except for a working frequency band of the second antenna transceiving path.
In another aspect, the present invention further provides a mobile terminal, which includes the antenna circuit described in any one of the above.
The invention has the beneficial effects that: the invention provides an antenna circuit, which comprises a first antenna transceiving path and at least one second antenna transceiving path, wherein a first signal gain path is arranged between the first antenna transceiving path and the at least one second antenna transceiving path, the signal input end of the first signal gain path is electrically connected with the second antenna transceiving path, the signal output end of the first signal gain path is electrically connected with the first antenna transceiving path, and the first signal gain path is used for collecting and filtering signals on the second antenna transceiving path to provide the signals for the first antenna transceiving path, so that the first antenna transceiving path can receive signals by using antennas of at least two frequency bands when in work, and the utilization rate of the antennas is improved when the antenna circuit works.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments according to the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an antenna circuit according to a first embodiment of the present invention.
Fig. 2 is a detailed structural diagram of an antenna circuit according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an antenna circuit according to a second embodiment of the present invention.
Fig. 4 is a detailed structural diagram of an antenna circuit according to a second embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a mobile terminal according to a third embodiment of the present invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
It should be noted that the thicknesses and shapes in the drawings of the present invention do not reflect actual proportions, and are merely intended to schematically illustrate various embodiments of the present invention.
The embodiment of the invention is used for solving the problem that the antenna utilization rate is low when the conventional antenna circuit works.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an antenna circuit according to a first embodiment of the present invention, in which components and relative positions of the components can be visually seen.
As shown in fig. 1, the antenna circuit 100 includes a first antenna transceiving path 110 and at least one second antenna transceiving path 120, wherein:
a first signal gain path 130 is arranged between the first antenna transceiving path 110 and at least one second antenna transceiving path 120, a signal input end 1 of the first signal gain path 130 is electrically connected with the second antenna transceiving path 120, and a signal output end 2 of the first signal gain path 130 is electrically connected with the first antenna transceiving path 110;
specifically, the first signal gain path 130 is used to collect and filter the signal on the second antenna transceiving path 120 to provide to the first antenna transceiving path 110.
Further, referring to fig. 2, fig. 2 is a detailed structure diagram of an antenna circuit according to a first embodiment of the present invention.
As shown in fig. 2, the second antenna transceiving path 120 includes a second frequency band antenna group 121 and a second single-pole multi-throw switch 122, and the moving end 3 of the second single-pole multi-throw switch 122 is electrically connected to one antenna of the second frequency band antenna group 121.
Further, the first signal gain path 130 includes a first filter 131, two ends of the first filter 131 are electrically connected to the first antenna transceiving path 110 and the dead end 4 of the second spdt switch 122, respectively, and the first filter 131 is used to filter signals except for the working frequency band of the first antenna transceiving path 110.
Further, the antenna circuit 100 further includes a baseband chip (not shown in the figure) for controlling the second single-pole multi-throw switch 122 to conduct different signal paths.
Further, the first antenna transceiving path 110 comprises a first band antenna group 111, and the second antenna transceiving path 120 comprises a first band antenna group 121, and wherein:
the first frequency band antenna group 111 has a first frequency band transmitting antenna, a first frequency band main set receiving antenna, a first frequency band diversity receiving antenna, a first frequency band MIMO receiving antenna, and a first frequency band MIMO diversity receiving antenna;
the second band antenna group 121 has a second band transmitting antenna, a second band main set receiving antenna, a second band diversity receiving antenna, a second band MIMO receiving antenna, and a second band MIMO diversity receiving antenna.
It should be noted that the signals received by the first frequency band antenna group 111 are mainly the first frequency band signals and some other frequency band signals, and the signals received by the second frequency band antenna group 121 are mainly the second frequency band signals and some other frequency band signals.
When the antenna circuit 100 operates in the first frequency band corresponding to the first frequency band antenna group 111, the second frequency band antenna group 121 will also receive some first frequency band signals, in this embodiment, after the signal received by the second band antenna group 121 passes through the first signal gain path 130, the first filter 131 can filter out signals in the frequency band other than the first antenna transceiving path 110, and then, the first frequency band signal received by the first frequency band antenna group 111 and the filtered signal received by the second frequency band antenna group 121 pass through the combiner 140, the two signals may be combined into one signal, and then, into the transceiver 150 of the antenna circuit 100, therefore, when the first antenna transceiving path 110 operates, the signals received from the first frequency band antenna group 111 and the second frequency band antenna group 121 are received, and thus the utilization rate of the antenna circuit 100 is improved.
Further, when the antenna circuit 100 receives a signal, the type of the antenna in the working state of the first band antenna group 111 may be different from the type of the antenna in the working state of the second band antenna group 121, for example, a main set receiving antenna of the first band antenna group 111 is in the working state, and a MIMO receiving antenna of the second band antenna group 121 is in the working state.
Further, the first antenna transceiving path 110 may further include a first noise filter 112, configured to filter noise signals received by the first frequency band antenna group 111, where the first noise filter 112 is disposed between the combiner 140 and the first frequency band antenna group 111; the second antenna transceiving path 120 may further include a second noise filter 123 for filtering noise signals received by the second frequency band antenna group 121, wherein the second noise filter 123 is disposed between the transceiver 150 and the second single-pole multi-throw switch 122.
Different from the prior art, a first embodiment according to the present invention provides an antenna circuit 100, including a first antenna transceiving path 110 and at least one second antenna transceiving path 120, wherein a first signal gain path 130 is provided between the first antenna transceiving path 110 and the at least one second antenna transceiving path 120, a signal input terminal 1 of the first signal gain path 130 is electrically connected to the second antenna transceiving path 120, a signal output terminal 2 of the first signal gain path 130 is electrically connected to the first antenna transceiving path 110, the first signal gain path 130 is configured to collect and filter signals on the second antenna transceiving path 120 to provide the signals to the first antenna transceiving path 110, so that when the first antenna transceiving path 110 operates, the antennas of at least two frequency bands can be used for signal reception, thereby improving the operation of the antenna circuit 100, the utilization of the antenna.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an antenna circuit according to a second embodiment of the present invention, in which components and relative positions of the components can be visually seen.
As shown in fig. 3, the antenna circuit 200 includes a first antenna transceiving path 210 and at least one second antenna transceiving path 220, wherein:
a first signal gain path 230 is arranged between the first antenna transceiving path 210 and at least one second antenna transceiving path 220, a signal input end 1 of the first signal gain path 230 is electrically connected with the second antenna transceiving path 220, and a signal output end 2 of the first signal gain path 230 is electrically connected with the first antenna transceiving path 210;
a second signal gain path 240 is arranged between the first antenna transceiving path 210 and at least one second antenna transceiving path 220, a signal input end 3 of the second signal gain path 240 is electrically connected with the first antenna transceiving path 210, and a signal output end 4 of the second signal gain path 240 is electrically connected with the second antenna transceiving path 220;
specifically, the first signal gain path 230 is used for collecting and filtering the signal on the second antenna transceiving path 220 to provide to the first antenna transceiving path 210; the second signal gain path 240 is used to collect and filter the signal on the first antenna transceiving path 210 for providing to the second antenna transceiving path 220.
Further, referring to fig. 4, fig. 4 is a detailed structural schematic diagram of an antenna circuit according to a second embodiment of the present invention.
As shown in fig. 2, the second antenna transceiving path 220 includes a second frequency band antenna group 221 and a second single-pole multi-throw switch 222, and a moving end 5 of the second single-pole multi-throw switch 222 is electrically connected to one antenna of the second frequency band antenna group 221; the first antenna transceiving path 210 includes a first frequency band antenna group 211 and a second single-pole multi-throw switch 212, and the moving end 7 of the first single-pole multi-throw switch 212 is electrically connected to one antenna of the first frequency band antenna group 211.
Further, the first signal gain path 230 includes a first filter 231, two ends of the first filter 231 are electrically connected to the first antenna transceiving path 210 and a dead end 6 of the second single-pole multi-throw switch 222, respectively, and the first filter 231 is used to filter signals except for the working frequency band of the first antenna transceiving path 210; the second signal gain path 240 includes a second filter 241, two ends of the second filter 241 are electrically connected to the second antenna transceiving path 220 and a dead end 8 of the first single-pole multi-throw switch 212, respectively, and the second filter 241 is used for filtering signals of the non-second antenna transceiving path 210 in the working frequency band.
Further, the antenna circuit 100 further includes a baseband chip (not shown) for controlling the first single-pole multi-throw switch 212 and the second single-pole multi-throw switch 222 to conduct different signal paths, respectively.
Further, the first antenna transceiving path 210 comprises a first band antenna group 211, the second antenna transceiving path 220 comprises a first band antenna group 221, and wherein:
the first frequency band antenna group 211 is provided with a first frequency band transmitting antenna, a first frequency band main set receiving antenna, a first frequency band diversity receiving antenna, a first frequency band MIMO receiving antenna and a first frequency band MIMO diversity receiving antenna;
the second band antenna group 221 has a second band transmitting antenna, a second band main set receiving antenna, a second band diversity receiving antenna, a second band MIMO receiving antenna, and a second band MIMO diversity receiving antenna.
It should be noted that the signals received by the first frequency band antenna group 211 are mainly the first frequency band signals and some other frequency band signals, and the signals received by the second frequency band antenna group 221 are mainly the second frequency band signals and some other frequency band signals.
When the antenna circuit 200 is operating in the first frequency band corresponding to the first frequency band antenna group 211, the second frequency band antenna group 221 will also receive some first frequency band signals, in this embodiment, after the signal received by the second band antenna group 221 passes through the first signal gain path 230, the first filter 231 may filter out signals in the non-first antenna transceiver path 210 operating frequency band, and then, the first frequency band signal received by the first frequency band antenna group 211 and the filtered signal received by the second frequency band antenna group 221 pass through the first combiner 250, the two signals may be combined into one signal, and then, into the transceiver 270 of the antenna circuit 200, therefore, when the first antenna transceiving path 210 operates, signals received from the first frequency band antenna group 211 and the second frequency band antenna group 221 are received, and thus the utilization rate of the antenna circuit 200 is improved.
Similarly, when the antenna circuit 200 operates in the second frequency band corresponding to the second frequency band antenna group 221, the first frequency band antenna group 211 will also receive some second frequency band signals, in this embodiment, after the signal received by the first band antenna group 211 passes through the second signal gain path 240, the second filter 241 may filter out signals in the frequency band other than the operating frequency band of the second antenna transceiving path 220, and then, the second frequency band signal received by the second frequency band antenna group 221 and the filtered signal received by the first frequency band antenna group 211 pass through the second combiner 260, the two signals may be combined into one signal, and then, into the transceiver 270 of the antenna circuit 200, thus, when the second antenna transceiving path 220 operates, the signals received from the second frequency band antenna group 221 and the first frequency band antenna group 211 are received, and thus the utilization rate of the antenna circuit 200 is improved.
Further, when the antenna circuit 200 receives a signal, the type of the antenna in the working state of the first band antenna group 211 may be different from the type of the antenna in the working state of the second band antenna group 221, for example, the main set receiving antenna of the first band antenna group 211 is in the working state, and the MIMO receiving antenna of the second band antenna group 221 is in the working state.
Further, the first antenna transceiving path 210 may further include a first noise filter 213, configured to filter noise signals received by the first frequency band antenna group 211, where the first noise filter 213 is disposed between the first combiner 250 and the first single-pole multi-throw switch 212; the second antenna transceiving path 220 may further include a second noise filter 223 for filtering noise signals received by the second frequency band antenna group 221, wherein the second noise filter 223 is disposed between the second combiner 260 and the second single-pole multi-throw switch 222.
A second embodiment of the present invention provides an antenna circuit 200, which is different from the prior art, and includes a first antenna transceiving path 210 and at least one second antenna transceiving path 220, wherein a first signal gain path 230 and a second signal gain path 240 are provided between the first antenna transceiving path 210 and the at least one second antenna transceiving path 220, a signal input terminal 1 of the first signal gain path 230 is electrically connected to the second antenna transceiving path 220, a signal output terminal 2 of the first signal gain path 230 is electrically connected to the first antenna transceiving path 210, a signal input terminal 3 of the second signal gain path 240 is electrically connected to the first antenna transceiving path 210, a signal output terminal 4 of the second signal gain path 240 is electrically connected to the second antenna transceiving path 220, the first signal gain path 230 is configured to collect and filter signals on the second antenna transceiving path 220, the first signal gain path 240 is used for collecting and filtering signals on the first antenna transceiving path 210 to provide the signals to the second antenna transceiving path 220, so that the first antenna transceiving path 210 can receive signals by using antennas of at least two frequency bands when in operation, thereby improving the utilization rate of the antennas when the antenna circuit 200 is in operation.
Referring to fig. 5, fig. 5 is another schematic structural diagram of a mobile terminal according to a third embodiment of the present invention, in which components of the present invention and relative position relationships of the components can be seen visually.
As shown in fig. 5, the mobile terminal 300 is provided with an RF circuit 310, a memory 320, an input unit 330, a display unit 340, a sensor 350, an audio circuit 360, a transmission module 370, a processor 380, and a power supply 390.
In particular, the RF circuit 310 is used for receiving and transmitting electromagnetic waves, and implementing interconversion between the electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices. RF circuitry 310 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. RF circuit 310 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols and technologies, including but not limited to Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., IEEE802.11 a, IEEE802.11b, IEEE802.11g and/or IEEE802.11 n standards for electrical and electronic engineers), voice over Internet Protocol (VoIP), world wide Internet Microwave Access (Microwave for Wireless Communication), other short message Access (Max ), and short message Protocol for instant messaging, as well as any other suitable communication protocols, and may even include those that have not yet been developed.
The memory 320 may be configured to store software programs and modules, such as program instructions/modules corresponding to the automatic light supplement system and method for front-facing camera photographing in the foregoing embodiments, and the processor 380 executes various functional applications and data processing by running the software programs and modules stored in the memory 320, so as to implement the function of automatic light supplement for front-facing camera photographing. The memory 320 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 320 may further include memory located remotely from the processor 380, which may be connected to the mobile terminal 300 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 330 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 330 may include a touch-sensitive surface 331 as well as other input devices 332. The touch-sensitive surface 331, also referred to as a touch screen or touch pad, may collect touch operations by a user on or near the touch-sensitive surface 331 (e.g., operations by a user on or near the touch-sensitive surface 331 using a finger, a stylus, or any other suitable object or attachment), and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface 331 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 380, and can receive and execute commands sent by the processor 380. In addition, the touch-sensitive surface 331 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 330 may comprise other input devices 332 in addition to the touch sensitive surface 331. In particular, other input devices 332 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 340 may be used to display information input by or provided to the user and various graphical user interfaces of the mobile terminal 300, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 340 may include a Display panel 341, and optionally, the Display panel 341 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, touch-sensitive surface 331 may overlay display panel 341, and when touch-sensitive surface 331 detects a touch operation thereon or thereabout, communicate to processor 380 to determine the type of touch event, and processor 380 then provides a corresponding visual output on display panel 341 in accordance with the type of touch event. Although in FIG. 5, touch-sensitive surface 331 and display panel 341 are implemented as two separate components for input and output functions, in some embodiments, touch-sensitive surface 331 and display panel 341 may be integrated for input and output functions.
The sensor 350 may be a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 341 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 341 and/or the backlight when the mobile terminal 300 is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which may be further configured on the mobile terminal 300, detailed descriptions thereof are omitted.
The transport module 370 (e.g., a Wi-Fi module) may assist a user in sending and receiving e-mail, browsing web pages, accessing streaming media, etc., which provides wireless broadband internet access to the user. Although fig. 5 shows the transmission module 370, it is understood that it does not belong to the essential constitution of the mobile terminal 300 and may be omitted entirely within the scope not changing the essence of the invention as needed.
The processor 380 is a control center of the mobile terminal 300, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the mobile terminal 300 and processes data by operating or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory 320, thereby integrally monitoring the mobile phone. Optionally, processor 380 may include one or more processing cores; in some embodiments, processor 380 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 380.
A power supply 390, such as a battery, is used to power the various components and, in some embodiments, may be logically coupled to the processor 380 via a power management system to manage charging, discharging, and power consumption via the power management system. The power supply 390 may also include any component including one or more of a dc or ac power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by using equivalents or equivalent substitutions fall within the protection scope of the claims of the present invention.
Different from the prior art, the invention provides an antenna circuit, which comprises a first antenna transceiving path and at least one second antenna transceiving path, wherein a first signal gain path is arranged between the first antenna transceiving path and the at least one second antenna transceiving path, a signal input end of the first signal gain path is electrically connected with the second antenna transceiving path, a signal output end of the first signal gain path is electrically connected with the first antenna transceiving path, and the first signal gain path is used for collecting and filtering signals on the second antenna transceiving path so as to provide the signals to the first antenna transceiving path, so that when the first antenna transceiving path works, the antennas in at least two frequency bands can be used for receiving signals, and therefore, the utilization rate of the antennas is improved when the antenna circuit works.
In summary, although the preferred embodiments of the present invention have been described above, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. An antenna circuit, comprising a first antenna transceiving path and at least one second antenna transceiving path, wherein a first signal gain path is provided between the first antenna transceiving path and the at least one second antenna transceiving path, a signal input end of the first signal gain path is electrically connected to the second antenna transceiving path, a signal output end of the first signal gain path is electrically connected to the first antenna transceiving path, and the first signal gain path is configured to collect and filter signals on the second antenna transceiving path to provide the signals to the first antenna transceiving path.
2. The antenna circuit of claim 1, wherein the second antenna transceiving path comprises a second frequency band antenna group and a second single-pole multi-throw switch, and a moving end of the second single-pole multi-throw switch is electrically connected to one antenna of the second frequency band antenna group.
3. The antenna circuit of claim 2, wherein the first signal gain path comprises a first filter, two ends of the first filter are electrically connected to the first antenna transceiving path and a dead end of the second single-pole multi-throw switch, respectively, and the first filter is configured to filter signals in a frequency band other than the operating frequency band of the first antenna transceiving path.
4. The antenna circuit of claim 2, further comprising a baseband chip configured to control the second single-pole-multiple-throw switch to conduct different signal paths.
5. The antenna circuit of claim 2, wherein the first antenna transmit receive path comprises a first band antenna group, wherein:
the first frequency band antenna group is provided with a first frequency band transmitting antenna, a first frequency band main set receiving antenna, a first frequency band diversity receiving antenna, a first frequency band MIMO receiving antenna and a first frequency band MIMO diversity receiving antenna;
the second frequency band antenna group is provided with a second frequency band transmitting antenna, a second frequency band main set receiving antenna, a second frequency band diversity receiving antenna, a second frequency band MIMO receiving antenna and a second frequency band MIMO diversity receiving antenna.
6. The antenna circuit of claim 5, wherein the type of antenna in which the first band antenna group is operational is different from the type of antenna in which the second band antenna group is operational when the antenna circuit is receiving signals.
7. The antenna circuit of claim 1, wherein a second signal gain path is provided between the first antenna transceiving path and the at least one second antenna transceiving path, wherein a signal input of the second signal gain path is electrically connected to the first antenna transceiving path, and a signal output of the second signal gain path is electrically connected to the second antenna transceiving path, and wherein the second signal gain path is configured to collect and filter signals on the first antenna transceiving path to provide to the second antenna transceiving path.
8. The antenna circuit of claim 7, wherein the first antenna transceiving path comprises a first single-pole-multiple-throw switch, and a moving end of the first single-pole-multiple-throw switch is electrically connected to one of the antenna groups of the first frequency band of the first antenna transceiving path.
9. The antenna circuit of claim 8, wherein the second signal gain path comprises a second filter, two ends of the second filter are electrically connected to the second antenna transceiving path and a dead end of the first single-pole multi-throw switch, respectively, and the second filter is configured to filter signals except for a frequency band in which the second antenna transceiving path operates.
10. A mobile terminal, characterized in that the mobile terminal comprises an antenna circuit according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011154348.8A CN112332871A (en) | 2020-10-26 | 2020-10-26 | Antenna circuit and mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113300735A (en) * | 2021-05-10 | 2021-08-24 | Tcl通讯（宁波）有限公司 | Radio frequency antenna device, radio frequency antenna device signal receiving method and mobile terminal |
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Application publication date: 20210205 |