Antenna system and electronic device

Abstract

The application provides an antenna system and an electronic device. The antenna system comprises at least three first radiators and at least one second radiator. At least one of the at least three first radiators can emit a preset low-frequency signal. All the first radiators can at least receive the preset low-frequency signal. At least one second radiator is coupled with at least one first radiator through a coupling gap. The minimum value of the frequency band supported by the second radiator is greater than or equal to the maximum value of the frequency band of the preset low-frequency signal. The antenna system and the electronic device provided by the application can support more frequency bands and improve the coverage width and depth of low-frequency signals.

Description

Technical Field

[0001] This application relates to the field of electronic technology, specifically to an antenna system and electronic device. Background Technology

[0002] Currently, low-frequency signals have a wide range of applications. For example, the lower the frequency band, the wider the coverage. Low-frequency signals have great potential in covering rural areas, deserts, mountains, rivers, and forests, and are also a powerful supplement to urban 5G coverage. However, due to the low frequency and long wavelength of low-frequency signals, the effective electrical length of the radiator is required to be higher. In electronic devices with extremely limited internal space, the space left for the primary radiator is limited in order to support more frequency bands, resulting in low application efficiency of the primary radiator in portable electronic devices. How to provide an antenna system that supports more frequency bands and improves the breadth and depth of low-frequency coverage has become a key research focus. Summary of the Invention

[0003] This application provides an antenna system and electronic device that supports more frequency bands and improves the breadth and depth of low-frequency coverage.

[0004] In a first aspect, embodiments of this application provide an antenna system, including:

[0005] At least three first radiators, at least one of which is capable of emitting a preset low-frequency signal, and all the first radiators are capable of receiving the preset low-frequency signal; and

[0006] At least one second radiator is coupled to at least one first radiator via a coupling gap, wherein the minimum value of the frequency band supported by the second radiator is greater than or equal to the maximum value of the frequency band of the preset low-frequency signal.

[0007] Secondly, embodiments of this application provide an electronic device including the aforementioned antenna system.

[0008] The antenna system provided in this application, by setting at least three first radiators and at least one second radiator coupled to the first radiators, wherein the frequency band supported by the second radiator is higher than the preset low-frequency signal supported by the first radiator, the first radiators and the second radiators are reused, and the first radiators and the second radiators support multiple frequency bands, thus achieving multiple supported frequency bands and wide bandwidth, and requiring a relatively short radiator length, saving space on electronic equipment to make room for setting multiple first radiators; at least one first radiator can transmit a preset low-frequency signal, and all first radiators can receive at least a preset low-frequency signal. The reception of low-frequency signals by at least three first radiators is enhanced, which is more conducive to improving the breadth and depth of low-frequency coverage. Attached Figure Description

[0009] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] Figure 1 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application;

[0011] Figure 2 yes Figure 1 An exploded view of the provided electronic device;

[0012] Figure 3 This is a schematic diagram of the structure of the first antenna system provided in the embodiments of this application;

[0013] Figure 4 This is a schematic diagram of the structure of the second antenna system provided in the embodiments of this application;

[0014] Figure 5 This is a schematic diagram of the first type of antenna system provided in this application, showing the coupling of a first radiator and a second radiator.

[0015] Figure 6 This is a schematic diagram of the second type of antenna system provided in this application, showing the coupling between the first radiator and the second radiator;

[0016] Figure 7 This is a schematic diagram of the third type of antenna system provided in this application, in which the first radiator and the second radiator are coupled.

[0017] Figure 8 This is a schematic diagram of the layout of an antenna system provided in this application;

[0018] Figure 9 This is the first switching control block diagram of at least two first radiators provided in this application;

[0019] Figure 10 yes Figure 9 A block diagram showing a switching control method for at least two first radiators;

[0020] Figure 11 This is a schematic diagram of the first partial back (i.e., the side where the back cover is located) of the three first radiators provided in the embodiments of this application;

[0021] Figure 12 yes Figure 11 A block diagram showing one switching control method for the three first radiators;

[0022] Figure 13 This is a second partial back view of the three first radiators provided in the embodiments of this application;

[0023] Figure 14 This is a third partial back view of the three first radiators provided in the embodiments of this application;

[0024] Figure 15 This is a partial back view of the first type of four first radiators provided in the embodiments of this application;

[0025] Figure 16 This is the first switching control block diagram of four first radiators provided in this application;

[0026] Figure 17 yes Figure 16 A block diagram showing one switching control method for the four first radiators;

[0027] Figure 18 This is a second partial back view of the four first radiators provided in the embodiments of this application;

[0028] Figure 19 This is a third partial back view of the four first radiators provided in the embodiments of this application;

[0029] Figure 20 yes Figure 19 The block diagram showing one switching control mode for the four first radiators is shown. Figure 1 ;

[0030] Figure 21 yes Figure 20 A detailed block diagram of one switching control method for the four first radiators shown;

[0031] Figure 22 This is a fourth partial back view of the four first radiators provided in the embodiments of this application;

[0032] Figure 23 This is a fifth partial back view of the four first radiators provided in the embodiments of this application;

[0033] Figure 24 This is a sixth partial back view of the four first radiators provided in the embodiments of this application;

[0034] Figure 25 This is a seventh partial back view of the four first radiators provided in the embodiments of this application;

[0035] Figure 26 This is a partial back view of the plurality of first radiators and plurality of second radiators provided in the embodiments of this application;

[0036] Figure 27 yes Figure 26 The block diagram showing one switching control mode for the four second radiators is shown. Figure 1 ;

[0037] Figure 28 yes Figure 27 A detailed block diagram of one switching control method for the four second radiators shown. Detailed Implementation

[0038] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. In addition, the reference to "embodiment" or "implementation method" in this application means that a specific feature, structure or characteristic described in connection with the embodiment or implementation method can be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments.

[0039] Please refer to Figure 1 , Figure 1 This is a schematic diagram of the structure of an electronic device 1000 provided in an embodiment of this application. The electronic device 1000 includes an antenna system 100. The antenna system 100 is used to transmit and receive electromagnetic wave signals to realize the communication function of the electronic device 1000. This application does not specifically limit the position of the antenna system 100 on the electronic device 1000. Figure 1 This is just one example. The electronic device 1000 also includes a display screen 200 and a housing 300 that are interconnected. The antenna system 100 may be located inside the housing 300 of the electronic device 1000, partially integrated with the housing 300, or partially located outside the housing 300. Figure 1 The radiator of the antenna system 100 is integrated with the housing 300. Alternatively, the antenna system 100 can be mounted on a retractable component of the electronic device 1000; in other words, at least a portion of the antenna system 100 can extend beyond the electronic device 1000 along with the retractable component and retract into the electronic device 1000; or, the overall length of the antenna system 100 can extend along with the retractable component of the electronic device 1000.

[0040] The electronic device 1000 includes, but is not limited to, devices capable of transmitting and receiving electromagnetic wave signals such as mobile phones, telephones, televisions, tablet computers, cameras, personal computers, laptops, in-vehicle devices, headphones, watches, wearable devices, base stations, vehicle radars, and customer pre-installation equipment (CPE). In this application, a mobile phone is used as an example of the electronic device 1000; other devices can be referred to the specific descriptions in this application.

[0041] For ease of description, the electronic device 1000 is in the position of Figure 1 Using the perspective shown in the image as a reference, the width direction of the electronic device 1000 is defined as the X-axis direction, the length direction of the electronic device 1000 is defined as the Y-axis direction, and the thickness direction of the electronic device 1000 is defined as the Z-axis direction. The X-axis, Y-axis, and Z-axis directions are all perpendicular to each other. The direction indicated by the arrow is positive.

[0042] Please see Figure 2 The housing 300 includes a frame 310 and a back cover 320. A middle plate 330 is formed within the frame 310 by injection molding, and the middle plate 330 has multiple mounting slots for mounting various electronic components. The middle plate 330 and the frame 310 together form the middle plate 330 of the electronic device 1000. After the display screen 200, the middle frame 340, and the back cover 320 are closed, receiving spaces are formed on both sides of the middle frame 340. One side (e.g., the rear side) of the frame 310 surrounds the periphery of the back cover 320, and the other side (e.g., the front side) of the frame 310 surrounds the periphery of the display screen 200. The electronic device 1000 also includes a circuit board 500, a battery 600, a camera module, a microphone, a receiver, a speaker, a face recognition module, a fingerprint recognition module, and other components capable of realizing the basic functions of a mobile phone, all disposed within the receiving spaces; these will not be described in detail in this embodiment. Understandably, the above description of the electronic device 1000 is only an illustration of one environment in which the antenna system 100 is applied, and the specific structure of the electronic device 1000 should not be construed as a limitation on the antenna system 100 provided in this application.

[0043] The specific structure of the antenna system 100 provided in this application will be illustrated below with reference to the accompanying drawings. Of course, the antenna system 100 provided in this application includes, but is not limited to, the following embodiments.

[0044] Please see Figure 3 and Figure 4 The antenna system 100 includes at least three first radiators 10 and at least one second radiator 20.

[0045] At least one of the at least three first radiators 10 is capable of emitting a preset low-frequency signal. It is understood that the first radiator 10 is a low-frequency radiator. The preset low-frequency signal is used to establish a communication connection with a base station or other terminal. This preset low-frequency signal includes, but is not limited to, B5, etc.

[0046] All of the first radiators 10 are capable of receiving at least a preset low-frequency signal. Specifically, each first radiator 10 can receive the preset low-frequency signal, and optionally, each first radiator 10 can also receive other low-frequency signals in addition to the preset low-frequency signal. The frequency band of the low-frequency signal received by each first radiator 10 is any one of the low-frequency signal bands (e.g., less than 1000MHz), including but not limited to B5, N20, N5, N8, N28, etc. It is understood that the low-frequency bands described in this application include, but are not limited to, 5G mobile communication signals or 4G mobile communication signals. For the first radiator 10, it can be a radiator that independently supports 5G mobile communication signals or 4G mobile communication signals, or it can be a radiator that simultaneously supports 5G mobile communication signals and 4G mobile communication signals.

[0047] Currently, low-frequency signals have a wide range of applications. For example, the lower the frequency band, the wider the coverage. Low-frequency signals have great potential in covering rural areas, deserts, mountains, rivers, and forests, and are also a powerful supplement to urban 5G coverage. In sparsely populated areas such as rural areas, deserts, mountains, rivers, and forests, the cost of establishing a relatively large number of base stations is high. Therefore, improving the reception strength of electronic devices for low-frequency signals to receive signals from base stations at relatively greater distances has become one of the research directions.

[0048] Because the first radiator 10 is relatively long, electronic devices 1000, especially portable electronic devices 1000, must ensure portability while simultaneously supporting other frequency bands, such as mobile communication signals in the MHB (mid-high frequency) band, mobile communication signals in the UHB (ultra-high frequency) band, Wi-Fi signals, and GNSS signals. Supporting these frequency bands also requires corresponding radiators, resulting in extremely limited space for the first radiator 10 within the electronic device 1000. This limited space restricts the number of first radiators 10 and also limits the reception capability of low-frequency signals, resulting in limited coverage depth and throughput, and restricting the application of low-frequency signals in rural areas, deserts, mountains, rivers, and forests. Furthermore, since portable electronic devices 1000 are frequently held by users, this holding reduces the efficiency of the radiators. Given the already limited number of first radiators 10, there is also the risk of them being crushed by the user, further reducing the application efficiency of the first radiators 10 within the portable electronic device 1000.

[0049] In this embodiment, the number of first radiators 10 can be three, four, etc. At least one second radiator 20 is coupled to at least one first radiator 10 via a coupling gap 13. The minimum value of the frequency band supported by the second radiator 20 is greater than or equal to the maximum value of the frequency band of the preset low-frequency signal. The signals supported by the second radiator 20 include, but are not limited to, mobile communication signals in the MHB band, mobile communication signals in the UHB band, Wi-Fi signals, and GNSS signals, at least one of these. Specifically, the second radiator 20 can support mobile communication signals in the MHB+UHB bands. GNSS stands for Global Navigation Satellite System, and includes global systems such as the Global Positioning System (GPS), BeiDou, GLONASS, Galileo, and regional navigation systems.

[0050] In other words, the second radiator 20 can be a mid-frequency radiator, a high-frequency radiator, a mid-to-high-frequency radiator, a Wi-Fi radiator, or a GNSS radiator. Specifically, the MHB band is greater than or equal to 1000MHz and less than 3000MHz; the UHB band is greater than or equal to 3000MHz and less than 10000MHz. Wi-Fi signals include, but are not limited to, the Wi-Fi 2.4G band (2.4–2.5GHz), the Wi-Fi 5G band (5.15–5.85GHz), and the Wi-Fi 6E band. GNSS signals include, but are not limited to, the GPS-L1 band (1575GHz) and the GPS-L5 band (1176GHz). The MHB+UHB band is greater than or equal to 1000MHz and less than 10000MHz.

[0051] Optionally, the number of second radiators 20 can be one, two, three, four, etc. One second radiator 20 can be coupled to one first radiator 10. Of course, one second radiator 20 can also be coupled to two first radiators 10. Furthermore, two second radiators 20 can also be coupled to one first radiator 10. Among the multiple second radiators 20, some second radiators 20 can be coupled to the first radiators 10, or all second radiators 20 can be coupled to the first radiators 10.

[0052] Please see Figure 3When the second radiator 20 is coupled to the first radiator 10, a coupling gap 13 exists between them. For example, the width of the coupling gap 13 can be 0.5–2 mm, but is not limited to this size. The second radiator 20 and the first radiator 10 are capacitively coupled through the coupling gap 13. "Capacitive coupling" means that an electric field is generated between the second radiator 20 and the first radiator 10, allowing electrical signals on the second radiator 20 to be transmitted to the first radiator 10 through the electric field, and vice versa. This enables electrical signal conduction between the first radiator 10 and the second radiator 20 even when they are not in direct contact or connection. This can also be described as the second radiator 20 and the first radiator 10 sharing the same aperture.

[0053] Thus, the first radiator 10 can also be used to support at least one of the following: mobile communication signals in the MHB band, mobile communication signals in the UHB band, Wi-Fi signals, and GNSS signals. In other words, the second radiator 20 can also support low-frequency bands. That is to say, the first radiator 10 and the second radiator 20 can be reused. In this way, with a limited radiator length, multiple supported frequency bands and wide bandwidth are achieved, and the required radiator length is relatively short, saving space on the electronic device 1000 to make room for multiple first radiators 10.

[0054] In this embodiment, all the first radiators 10 are capable of receiving low-frequency signals. The more first radiators 10 there are, the stronger the reception of low-frequency signals, which is more conducive to improving the coverage breadth and depth of low frequencies. For example, when the radiation patterns of multiple first radiators 10 are all oriented in the same direction, the signal gain of multiple first radiators 10 is superimposed, which can then be applied to rural areas, deserts, mountains, rivers, forests, and other areas to connect to antenna base stations at greater distances. In this way, relatively distant base stations can be set up in sparsely populated areas to improve the coverage breadth of low frequencies; or, in areas with relatively weak signals such as elevators, underground garages, and warehouses, good signal strength can be achieved, improving coverage depth and ensuring communication quality.

[0055] Furthermore, different first radiators 10 can also face different directions, meaning that at least two first radiators 10 have different radiation patterns. This makes the radiation patterns of the at least two first radiators 10 complementary, thereby increasing the reception angle range of the antenna system 100 for low-frequency signals and improving low-frequency coverage. For example, when a user holds the electronic device 1000 equipped with this antenna system 100, the user can grip part of the first radiators 10, allowing for switching between multiple first radiators 10 to select the most efficient one, ensuring that the electronic device 1000 maintains high efficiency even when held.

[0056] Please see Figure 5 The antenna system 100 further includes a first feeding system 30. The first feeding system 30 is electrically connected to the second radiator 20. The first feeding system 30 includes a first feed source 31 and a third matching circuit 32 (the first and second matching circuits will be described later). The first feed source 31 is electrically connected to a radio frequency (RF) signal source. The RF signal source includes, but is not limited to, at least one of an RF transceiver module, an RF receiver module, and an RF transmitter module. In this application, the RF signal source is used to receive or transmit at least one of MHB band mobile communication signals, UHB band mobile communication signals, Wi-Fi signals, and GNSS signals.

[0057] A third matching circuit 32 is electrically connected between the second radiator 20 and the first feed source 31. The third matching circuit 32 includes, but is not limited to, matching circuits formed by capacitors, inductors, and switching tuning devices. The third matching circuit 32 is used to tune the impedance of the electrically connected second radiator 20 to ensure that the second radiator 20 has high transmission and reception efficiency for the supported frequency band. The second radiator 20 generates a resonant mode under the excitation of the first feed system 30 to support the desired frequency band. For example, the second radiator 20 is used to support the MHB band. The second radiator 20 generates at least one of a 1 / 4 wavelength mode, a 1 / 2 wavelength mode, a 3 / 4 wavelength mode, or a single wavelength mode under the excitation of the first feed system 30 to support the MHB band. The current generating the resonant mode of the 1 / 4 wavelength mode, 1 / 2 wavelength mode, 3 / 4 wavelength mode, or single wavelength mode can be distributed partially or entirely within the second radiator 20. Optionally, the second radiator 20 generates multiple resonant modes in a frequency band greater than or equal to 1000MHz and less than 3000MHz. These multiple resonant modes can form a large support bandwidth, thereby achieving full coverage of the 1000MHz to 3000MHz frequency band. Other frequency bands are also supported as described in the above implementation method, and will not be elaborated further here.

[0058] Furthermore, at least one of the first radiators 10 generates a resonant mode selected from at least one of a quarter-wavelength mode, a half-wavelength mode, a three-quarter-wavelength mode, and a single-wavelength mode under the excitation of the first feeding system 30. The current generating the resonant mode of the quarter-wavelength mode, half-wavelength mode, three-quarter-wavelength mode, or single-wavelength mode can be distributed locally or entirely within the first radiator 10.

[0059] In other words, the first power supply system 30 can not only use the second radiator 20, which is directly electrically connected to it, to transmit and receive the MHB frequency band, but also reuse the first radiator 10, which was originally used to support low-frequency signals, to transmit and receive the MHB frequency band. In this way, the length of the second radiator 20 is less than the length of the radiator for transmitting and receiving the MHB frequency band. This can reduce the overall length of the radiator while supporting multiple frequency bands and ultra-wideband, thus saving space on the electronic device 1000 and allowing for the installation of more first radiators 10 on the electronic device 1000.

[0060] Please see Figure 5 The antenna system 100 further includes a second feeding system 40. The second feeding system 40 is electrically connected to the first radiator 10. The second feeding system 40 includes a second feed source 41 and a fourth matching circuit 42. The second feed source 41 is electrically connected to a radio frequency (RF) signal source. The RF signal source includes, but is not limited to, at least one of an RF transceiver module, an RF receiver module, and an RF transmitter module. In this application, the RF signal source is used to receive or transmit low-frequency signals, specifically in the frequency band of 0–1000 MHz, and the signal type includes, but is not limited to, 4G mobile communication signals and 5G mobile communication signals.

[0061] A fourth matching circuit 42 is electrically connected between the first radiator 10 and the second feed source 41. The fourth matching circuit 42 includes, but is not limited to, matching circuits formed by capacitors, inductors, and switching tuning devices. The fourth matching circuit 42 is used to tune the impedance of the electrically connected first radiator 10 to ensure that the first radiator 10 has high transmission and reception efficiency for the supported frequency band. The first radiator 10 generates a resonant mode under the excitation of the second feed system 40 to support the low-frequency band. For example, the first radiator 10 generates at least one of a 1 / 4 wavelength mode, a 1 / 2 wavelength mode, a 3 / 4 wavelength mode, or a single wavelength mode under the excitation of the second feed system 40 to support the MHB band. The current generating the resonant mode of the 1 / 4 wavelength mode, 1 / 2 wavelength mode, 3 / 4 wavelength mode, or single wavelength mode can be distributed locally or entirely within the first radiator 10. Optionally, the first radiator 10 generates a quarter-wavelength mode resonant mode under the excitation of the second feeding system 40, wherein the quarter-wavelength mode is the ground state, has high radiation efficiency, and can make full use of the entire length of the first radiator 10.

[0062] Furthermore, the second radiator 20 also generates at least one of the following resonant modes under the excitation of the second feeding system 40: a 1 / 4 wavelength mode, a 1 / 2 wavelength mode, a 3 / 4 wavelength mode, and a single wavelength mode.

[0063] The current that generates a resonant mode of 1 / 4 wavelength, 1 / 2 wavelength, 3 / 4 wavelength, or 1 wavelength can be distributed locally or entirely in the second radiator 20.

[0064] In other words, the second power supply system 40 can not only use the first radiator 10, which is directly electrically connected to it, to transmit and receive low-frequency bands, but also reuse the second radiator 20, which was originally used to support the MHB band, to transmit and receive low-frequency bands. In this way, the actual length of the radiator for transmitting and receiving low-frequency bands is greater than the length of the first radiator 10. This can reduce the overall length of the radiator while supporting multiple frequency bands and ultra-wideband, thus saving space on the electronic device 1000 and allowing for the installation of more first radiators 10 on the electronic device 1000.

[0065] This application does not specifically limit the material, shape, or structure of the first radiator 10 and the second radiator 20. Regarding the material, the first radiator 10 and the second radiator 20 are made of conductive materials, including but not limited to metals such as copper, gold, and silver, or alloys formed from copper, gold, and silver, or alloys formed from copper, gold, and silver with other materials; graphene, or conductive materials formed by combining graphene with other materials; conductive oxides such as indium tin oxide; and mixed materials formed from carbon nanotubes and polymers, etc. Regarding the structure, the first radiator 10 and the second radiator 20 include, but are not limited to, radiators with a metal frame 310, conductive radiators embedded in a plastic frame 310, flexible circuit board radiators formed on flexible printed circuit boards (FPCs), laser-direct structuring (LDS) radiators, print-direct structuring (PDS) radiators, conductive sheet radiators, etc. In terms of shape, the first radiator 10 and the second radiator 20 can be, but are not limited to, strip-shaped, sheet-shaped, rod-shaped, coated, or thin film-shaped. When both the first radiator 10 and the second radiator 20 are strip-shaped, this application does not limit the extension trajectory of the first radiator 10 and the second radiator 20. Therefore, the first radiator 10 and the second radiator 20 can extend in straight lines, curves, or multiple bends. The aforementioned extension trajectory can be a line with uniform width, or a strip with varying width, such as one with a gradually changing width or a widened area.

[0066] In this embodiment, the example is given by taking the first radiator 10 and the second radiator 20 as both being conductive frame radiators.

[0067] Please see Figure 5 The second radiator 20 has a first grounding terminal 21 and a first coupling terminal 22, and a first feed point A located between the first grounding terminal 21 and the first coupling terminal 22. The first feed system 30 is electrically connected to the first feed point A. Figure 5 The first grounding terminal 21 and the first coupling terminal 22 shown are the opposite ends of the second radiator 20, which is a straight strip. This is merely an example and does not limit the shape of the second radiator 20 provided in this application. In other embodiments, the second radiator 20 may also be bent, and the first grounding terminal 21 and the first coupling terminal 22 may not be opposite each other in a straight line, but the first grounding terminal 21 and the first coupling terminal 22 are respectively the two ends of the second radiator 20.

[0068] The first power supply system 30 is electrically connected to the first power supply point A of the second radiator 20. Optionally, the first power supply system 30 may be disposed on a circuit board within the electronic device 1000 and electrically connected to the first power supply point A of the second radiator 20 via a conductive spring. Of course, in other embodiments, the first power supply system 30 may also be electrically connected to the first power supply point A of the second radiator 20 via a conductive snap-fit ​​component, conductive adhesive, conductive solder pad, or other means.

[0069] Please see Figure 5 The first radiator 10 has an active end 11 and a second coupling end 12, and a second feed point B located between the active end 11 and the second coupling end 12. Figure 5 The shown functional end 11 and second coupling end 12 are opposite ends of the first radiator 10, which are straight strips. This is merely an example and does not limit the shape of the first radiator 10 provided in this application. In other embodiments, the first radiator 10 may also be bent, and the functional end 11 and second coupling end 12 may not be opposite each other in a straight direction, but the functional end 11 and second coupling end 12 are respectively the two ends of the first radiator 10.

[0070] The coupling gap 13 is located between the second coupling end 12 and the first coupling end 22. When the second radiator 20 and the first radiator 10 are integrated on the frame 310 of the electronic device 1000, the first radiator 10 and the second radiator 20 can be arranged in a straight line or approximately in a straight line (i.e., with small tolerances during the design process). Of course, in other embodiments, the first radiator 10 and the second radiator 20 can also be staggered in the extension direction to form a clearance space. The second coupling end 12 is opposite to and spaced apart from the first coupling end 22. The coupling gap 13 is the gap between the first radiator 10 and the second radiator 20. For example, the width of the coupling gap 13 can be 0.5 to 2 mm, but is not limited to this size. The first radiator 10 and the second radiator 20 can be regarded as two parts formed by the coupling gap 13 separating the conductive frame 310. During the molding process of the frame 310, an insulating medium is filled in the coupling gap 13 to ensure the integrity and structural strength of the entire frame 310.

[0071] The second power supply system 40 is electrically connected to the second power supply point B on the first radiator 10. Optionally, the second power supply system 40 may be disposed on a circuit board within the electronic device 1000 and electrically connected to the second power supply point B of the first radiator 10 via a conductive spring. Of course, in other embodiments, the second power supply system 40 may also be electrically connected to the second power supply point B of the first radiator 10 via a conductive snap-fit ​​component, conductive adhesive, conductive solder pad, or other means.

[0072] Please see Figure 5 The first grounding terminal 21 is grounded. It is understood that "grounding" as used in this application refers to electrical connection reference ground or electrical connection reference ground system GND.

[0073] Specifically, the first grounding terminal 21 is electrically connected to the reference ground system GND. The electrical connection method includes, but is not limited to, direct soldering, or indirect electrical connection through coaxial lines, microstrip lines, conductive springs, conductive adhesives, etc. The reference ground system GND can be an independent integral structure, or it can be multiple independent but electrically connected structures.

[0074] Optionally, the antenna system 100 itself has a reference ground system GND. The specific form of this reference ground system GND includes, but is not limited to, a metal conductive plate, a metal conductive layer formed inside a flexible circuit board, or a rigid circuit board. When the antenna system 100 is disposed within the electronic device 1000, the reference ground system GND of the antenna system 100 is electrically connected to the reference ground of the electronic device 1000. Alternatively, the antenna system 100 itself does not have a reference ground system GND, and the first ground terminal 21 of the antenna system 100 is directly electrically connected or indirectly electrically connected to the reference ground system GND of the electronic device 1000 or the reference ground system GND of the electronic device 1000 or the electronic device within the electronic device 1000 through a conductive component. In this embodiment, the antenna system 100 is disposed within the electronic device 1000, the electronic device 1000 is a mobile phone, and the reference ground system GND is the magnesium-aluminum alloy plate of the middle plate 330 of the mobile phone. Subsequent electrical connections of other structures of the antenna system 100 to the reference ground system GND can refer to any of the above-described embodiments of electrical connection to the reference ground system GND.

[0075] The design of the functional end 11 in this application includes, but is not limited to, the following implementation methods.

[0076] In the first embodiment of the functional end 11, please refer to Figure 5 The active terminal 11 is grounded, i.e., electrically connected to the reference ground system GND. The active terminal 11 can also be called the "ground terminal". In this case, the first radiator 10 forms an inverted F antenna.

[0077] The first radiator 10 is reused as a radiator for transmitting and receiving the MHB band in the first feed system 30. For example, the first feed system 30 at least excites the portion between the second coupling terminal 12 and the second feed point B to resonate. Optionally, the first feed system 30 excites the portion between the second coupling terminal 12 and the second feed point B to generate a resonant mode of a 1 / 4 wavelength mode corresponding to the MHB band. Figure 5 The resonant current in the 1 / 4 wavelength mode shown ( Figure 5 (As indicated by the dashed arrow) The resonant current is mainly distributed between the second coupling terminal 12 and the second feed point B. Of course, a small portion of the resonant current may also be distributed between the second feed point B and the active terminal 11, or on the second radiator 20. It is understandable that the aforementioned 1 / 4 wavelength mode is only one of the resonant modes of the first feed system 30 in the MHB band for transmitting and receiving.

[0078] Figure 5The direction of the resonant current in the 1 / 4 wavelength mode shown is from the second feed point B to the second coupling terminal 12 (i.e., coupling gap 13). Of course, the direction of the resonant current can also be from the second coupling terminal 12 (i.e., coupling gap 13) to the second feed point B.

[0079] To illustrate this from a more understandable perspective, the 1 / 4 wavelength mode can be understood as the effective electrical length between the second coupling terminal 12 and the second feed point B being approximately 1 / 4 of the dielectric wavelength (wavelength in the dielectric) corresponding to the center frequency of the resonant mode. This description is for ease of understanding of the terminology, but it cannot be used as a limitation on the length between the second coupling terminal 12 and the second feed point B.

[0080] By designing the effective electrical length between the second coupling terminal 12 and the second feed point B—that is, by designing the position of the second feed point B—the effective electrical length between the second coupling terminal 12 and the second feed point B is made to correspond to 1 / 4 of the dielectric wavelength required to support the MHB frequency band. Here, "corresponds" can be understood as the effective electrical length between the second coupling terminal 12 and the second feed point B being approximately 1 / 4 of the dielectric wavelength required to support the MHB frequency band. This 1 / 4 wavelength mode can also be called the ground state, which has higher antenna efficiency, thereby improving the transmit and receive efficiency for the required MHB frequency band.

[0081] It should be noted that the effective electrical length between the second coupling terminal 12 and the second feed point B in this application is approximately the wavelength of a certain medium in a certain frequency band, but it does not limit the physical length between the second coupling terminal 12 and the second feed point B to that wavelength of the medium in that frequency band. This is because some tuning devices can be electrically connected between the second coupling terminal 12 and the second feed point B to tune the effective electrical length between them. For example, by setting inductors and capacitors, the effective electrical length between the second coupling terminal 12 and the second feed point B can be increased or decreased.

[0082] The above is a specific example of the first radiator 10 being reused as a radiator for transmitting and receiving the MHB frequency band. In other embodiments, by designing the position of the second feed point B, the first feed system 30 can also excite the portion between the second coupling terminal 12 and the second feed point B to generate a resonant mode corresponding to 1 / 2, 3 / 4, or 1 times the wavelength of the MHB frequency band.

[0083] In the second embodiment of the functional end 11, please refer to Figure 6The active end 11 is a free end. That is, the active end 11 is not electrically connected to the reference ground system GND, nor does it couple with other radiators. On the frame 310 of the electronic device 1000, the active end 11 can be isolated from other radiators through an insulating gap. At this time, the first radiator 10 forms a T-shaped antenna.

[0084] Of course, the form of the first radiator 10 is not limited to the inverted F antenna and T-type antenna mentioned above, but can also be a loop antenna, etc.

[0085] Please see Figure 6 The first radiator 10 may also have a first matching point D located between the second feed point B and the second coupling end 12.

[0086] Please see Figure 6 The antenna system 100 further includes a first matching circuit M1. One end of the first matching circuit M1 is electrically connected to the first matching point D, and the other end of the first matching circuit M1 is grounded. The first feeding system 30 at least excites the portion between the second coupling terminal 12 and the first matching point D to resonate. Optionally, the first feeding system 30 excites the portion between the second coupling terminal 12 and the first matching point D to generate a resonant mode of a 1 / 4 wavelength mode corresponding to the MHB band. Figure 6 The resonant current in the 1 / 4 wavelength mode shown ( Figure 6 (As indicated by the dashed arrow) The resonant current is mainly distributed between the second coupling terminal 12 and the first matching point D. Of course, a small portion of the resonant current may also be distributed between the first matching point D and the active terminal 11, or distributed on the second radiator 20. It is understood that the above-mentioned 1 / 4 wavelength mode is only one of the resonant modes of the first feed system 30 in the MHB band for transmitting and receiving.

[0087] The first matching circuit M1 includes at least one of a capacitor, an inductor, and a switching tuning device. It is understood that the first matching circuit M1 presents a low impedance to the resonant current of the quarter-wavelength mode corresponding to the MHB band, thus returning the resonant current of the quarter-wavelength mode to ground, increasing the path for the resonant current in the MHB band to support the quarter-wavelength mode corresponding to the MHB band.

[0088] Figure 6 The direction of the resonant current in the 1 / 4 wavelength mode shown is from the first matching point D to the second coupling end 12 (i.e., coupling gap 13). Of course, the direction of the resonant current can also be from the second coupling end 12 (i.e., coupling gap 13) to the first matching point D.

[0089] By designing the effective electrical length between the second coupling terminal 12 and the first matching point D, and the first matching circuit M1, the resonant current supporting 1 / 4 of the dielectric wavelength of the MHB band is returned to ground through the first matching circuit M1 to support the 1 / 4 wavelength mode corresponding to the MHB band.

[0090] The above is a specific example of the first radiator 10 being reused as a radiator for transmitting and receiving the MHB band in the first feed system 30. In other embodiments, by designing the position of the first matching point D, the first feed system 30 can also excite the portion between the second coupling end 12 and the first matching point D to generate a resonant mode corresponding to 1 / 2, 3 / 4, or 1 times the wavelength of the MHB band.

[0091] The above describes the first radiator 10 being reused as the radiator of the first power supply system 30. The following example illustrates the second radiator 20 being reused as the radiator of the second power supply system 40.

[0092] Please see Figure 7 The second radiator 20 also has a second matching point E located between the first ground terminal 21 and the first coupling terminal 22. The antenna system 100 further includes a second matching circuit M2. The second matching circuit M2 includes a capacitor. One end of the second matching circuit M2 is electrically connected to the second matching point E, and the other end of the second matching circuit M2 is grounded. The second feed system 40 is at least used to excite a portion between the first coupling terminal 22 and the second matching point E to resonate. Optionally, the second feed system 40 excites a portion between the first coupling terminal 22 and the second matching point E to generate a resonant mode of a 1 / 4 wavelength mode corresponding to a low-frequency band. Figure 7 The resonant current in the 1 / 4 wavelength mode shown ( Figure 7 (As indicated by the dashed arrow) The resonant current is mainly distributed between the first coupling terminal 22 and the second matching point E. Of course, a small portion of the resonant current may also be distributed between the second matching point E and the active terminal 11, or on the first radiator 10. It is understandable that the aforementioned 1 / 4 wavelength mode is only one of the resonant modes of the low-frequency band of the second feed system 40.

[0093] Since low-frequency bands require relatively long radiators, and the physical length of the second radiator 20 is relatively short, a capacitor is included in the second matching circuit M2. The capacitor is grounded. The capacitor shifts the resonant frequency of the portion resonating between the first coupling terminal 22 and the second matching point E to a lower frequency. For example, if the original resonant frequency between the first coupling terminal 22 and the second matching point E is 1500MHz, by placing the capacitor at the second matching point E, the capacitor adjusts the resonant frequency from 1500MHz to around 1000MHz, thus enabling the second radiator 20 to support the low-frequency band. The capacitor exhibits low impedance to the resonant current of the 1 / 4 wavelength mode corresponding to the low-frequency band, thereby returning the resonant current of the 1 / 4 wavelength mode corresponding to the low-frequency band to ground, increasing the path of the resonant current in the low-frequency band to support the 1 / 4 wavelength mode corresponding to the low-frequency band.

[0094] Figure 7 The direction of the resonant current in the 1 / 4 wavelength mode shown is from the first coupling end 22 (i.e., coupling gap 13) to the second matching point E. Of course, the direction of the resonant current can also be from the second matching point E to the first coupling end 22 (i.e., coupling gap 13).

[0095] By designing the effective electrical length between the first coupling terminal 22 and the second matching point E, and the second matching circuit M2, the resonant current supporting 1 / 4 of the dielectric wavelength of the low-frequency band is returned to ground through the second matching circuit M2 on the second radiator 20, so as to support the 1 / 4 wavelength mode corresponding to the low-frequency band, thereby realizing the support of the second radiator 20 for the low-frequency band and thus realizing the reuse of the second radiator 20.

[0096] The above is a specific example of the second radiator 20 being reused as a radiator for transmitting and receiving low-frequency bands in the second feed system 40. In other embodiments, by designing the position of the second matching point E, the second feed system 40 can also excite the portion between the first coupling end 22 and the second matching point E to generate a resonant mode corresponding to 1 / 2, 3 / 4, or 1 times the wavelength of the low-frequency band.

[0097] The above are structural examples of the first radiator 10 and the second radiator 20. The following are examples of the working states of at least three first radiators 10 in the antenna system 100 provided in this application.

[0098] In general technology, the radiation system of antenna system 100 is affected by hand grip. For example, different hand grip postures result in different antennas (i.e., radiators), leading to low radiation efficiency and a poor working environment for the antenna. For example, Figure 8When held vertically, antenna ANT0 is highly likely to be locked; when held horizontally, antenna ANT1 is highly likely to be locked. Since the user's grip is unpredictable, the antennas in electronic device 1000 may become locked. If the transmitting antenna (the radiating element used for transmission) is locked, electronic device 1000 will be unable to connect to the base station or will have a poor connection, resulting in no signal or a very weak signal, negatively impacting the user experience.

[0099] In this embodiment, please refer to Figure 9 The antenna system 100 further includes at least three first radio frequency modules 50, at least one first control module 60, and a first detection module 70.

[0100] Please see Figure 9 The at least three of the first radio frequency modules 50 include at least one first radio frequency receiving module 51 and at least one first radio frequency transceiver module 52.

[0101] The first radio frequency transceiver module 52 is used to receive and transmit low-frequency signals. It is understood that the first radio frequency transceiver module 52 integrates a radio frequency receiving module and a radio frequency transmitting module. The radio frequency receiving module is electrically connected to a power source. It should be noted that the radio frequency receiving module and the radio frequency transmitting module are integrated into a single chip (i.e., the first radio frequency transceiver module 52) so that the chip has the function of receiving and transmitting information. The first radio frequency transceiver module 52 can simultaneously receive and transmit radio frequency signals (i.e., FDD mode); it can also switch between transmitting radio frequency signals in a first time period and receiving radio frequency signals in a second time period via a switch (i.e., TDD mode). The first radio frequency transceiver module 52 can switch between these two modes.

[0102] The first radio frequency receiving module 51 is used to receive low-frequency signals, and the first radio frequency receiving module 51 can receive low-frequency signals of any frequency band.

[0103] Optionally, the total number of the first radio frequency modules 50 is the same as the total number of the first radiators 10.

[0104] The first control module 60 is electrically connected to at least two of the first radio frequency modules 50, the first detection module 70, and at least two first radiators 10. It is understood that the first control module 60 is electrically connected to the first radiators 10 via the first feed 31 of the first feeding system 30 (refer to reference). Figure 5 and Figure 9 When the number of first radiators 10 is three, the first control module 60 can be electrically connected to two or three first radiators 10. When the number of first radiators 10 is four, the first control module 60 can be electrically connected to two, three, or four first radiators 10.

[0105] Please see Figure 10 The first detection module 70 is used to identify the first radiator 10 with the highest signal strength among at least two first radiators 10 (possibly two, three, or four). Optionally, the first detection module 70 detects the signal strength of the first radiators 10 electrically connected to the first control module 60, and determines at least one target first radiator 10a and at least one non-target first radiator 10b based on the signal strength. The signal strength of the target first radiator 10a is greater than the signal strength of the non-target first radiator 10b. Further, among the first radiators 10 electrically connected to the first control module 60, the first radiator 10 with the highest signal strength is the target first radiator 10a, and the remaining first radiators 10 are non-target first radiators 10b. Optionally, the first detection module 70 detects the signal strength of the first radiator 10 by detecting the signal reception strength at the first radio frequency module 50, thereby determining whether the operating environment of the first radiator 10 is good.

[0106] Please see Figure 10 The first control module 60 includes a first switch module 61 and a controller (not shown) that controls the operation of the first switch module 61. The input terminal of the first switch module 61 is electrically connected to at least one first RF transceiver module 52 and at least one first RF receiver module 51, and the output terminal of the first switch module 61 is electrically connected to at least three first radiators 10. It should be noted that the above description of the input and output terminals of the first switch module 61 is based on the direction of the RF signal from the first RF module 50 to the radiator end, and does not limit the RF signal to be transmitted only from the first RF module 50 to the radiator end. In this application, the RF signal can also be transmitted from the radiator end to the first RF module 50.

[0107] This application does not limit the specific structure of the first switch module 61. Optionally, the first switch module 61 has at least two input terminals and at least two output terminals, that is, the first switch module 61 needs to implement at least two-way switching functions. The first switch module 61 can be a single switch element or a combination of multiple switch elements. These switch elements include, but are not limited to, DP4T (double-pole four-throw switch), DPDT (double-pole double-throw switch), SP4T (single-pole four-throw switch), SPST (single-pole double-throw switch), and SPnT (single-pole n-throw switch). For example, four DPDTs can implement the function of a 4P4T (four-pole four-throw switch).

[0108] Please see Figure 10The first control module 60 is configured to switch the first radio frequency transceiver module 52 electrically connected to the target first radiator 10a after the first detection module 70 determines the target first radiator 10a. Furthermore, the first control module 60 is configured to switch the first radio frequency receiving module 51 electrically connected to the non-target first radiator 10b after the first detection module 70 determines the non-target first radiator 10b.

[0109] Optionally, the first detection module 70 detects the signal reception strength of multiple first radiators 10 at the first radio frequency module 50, compares the magnitude of the multiple signal reception strengths, determines the first radiator 10 with the largest signal reception strength as the target first radiator 10a, and determines the first radiator 10 with the smaller signal reception strength as the non-target first radiator 10b, and sends the determined positions of the target first radiator 10a and the non-target first radiator 10b to the controller in the form of electrical signals. The controller switches the first switch module 61 to electrically connect the first radio frequency transceiver module 52 to the first radiator 10 with the highest signal strength, and to electrically connect the first radio frequency transceiver module 52 to the first radiator 10 with other signal strengths.

[0110] The above process can be a real-time dynamic process. That is, the first detection module 70 detects the signal reception strength of multiple first radiators 10 in real time, and the controller adjusts the first switching module 61 in real time to achieve intelligent switching. This ensures that no matter how the working environment of the multiple first radiators 10 changes (or how the hand grip changes), the first radiator 10 with the best signal reception strength can be used as the transmitting radiator, and the other first radiators 10 can be used as the receiving radiators. This maintains good signal quality of the transmitting radiator under different hand grip postures, improves the signal stability of the electronic device 1000, and enhances the user experience.

[0111] This application provides embodiments of antenna systems 100 with multiple different operating modes to achieve high signal strength under different gripping gestures.

[0112] In an embodiment of the antenna system 100 in the first operating mode, the number of the first radiators 10 is three. At least two of the three first radiators 10 have different radiation orientations.

[0113] In this embodiment, please refer to Figure 11Taking three first radiators 10 as conductive frame radiators as an example, the frame 310 of the electronic device 1000 is roughly rectangular. At least two of the three first radiators 10 are located on different sides of the frame 310 to achieve different radiation orientations for at least two of the three first radiators 10. The different radiation orientations of at least two of the three first radiators 10 serve two purposes: firstly, to avoid multiple first radiators 10 being blocked by the same gripping gesture, increasing the probability that a first radiator 10 is not gripped under different gripping gestures, thus ensuring that a suitable first radiator 10 can be switched as the target first radiator 10a under different gripping gestures; secondly, to increase the complementarity of the radiation patterns of the first radiators 10, thereby improving the coverage angle of low-frequency signals.

[0114] Please see Figure 11 The three first radiators 10 are respectively designated as first sub-radiator 101, second sub-radiator 102, and third sub-radiator 103. Taking the view from the back cover 320 side of the electronic device 1000 as an example, the frame 310 includes a first side 311, a second side 312, a third side 313, and a fourth side 314 arranged sequentially. Among them, the first side 311 is the top edge, and the second side 312 is the facing edge. Figure 11 The left-hand side of the frame 310 shown in the diagram, the third side 313 is the bottom edge, and the fourth side 314 is the facing edge. Figure 11 The right side of the view from the border 310 shown.

[0115] The three first radiators 10 are arranged as much as possible on multiple sides of the frame 310 to radiate antenna signals in different directions and to accommodate different grip gestures. This embodiment uses the example of the first sub-radiator 101 located on the second side 312 (e.g., the middle part) of the frame 310, the second sub-radiator 102 located on the third side 313 (i.e., the bottom edge) of the frame 310, and the third sub-radiator 103 located in the middle of the fourth side 314 of the frame 310 as an example, but is not limited to this layout. With this arrangement, when the user holds the screen horizontally (facing the display), the first sub-radiator 101 and the third sub-radiator 103 are not obstructed, resulting in higher signal strength; when the user holds the screen vertically (facing the display), the second sub-radiator 102 is not obstructed, resulting in higher signal strength.

[0116] Please see Figure 12The at least three first radio frequency modules 50 include two first radio frequency transceiver modules 52 and one first radio frequency receiver module 51. The two first radio frequency transceiver modules 52 are respectively designated as first transceiver module 521 and second transceiver module 522. The first control module 60 is electrically connected to the three first radiators 10, the first transceiver module 521, the second transceiver module 522, and the first radio frequency receiver module 51. The first control module 60 controls the three first radiators 10 to be electrically connected to the first transceiver module 521, the second transceiver module 522, and the first radio frequency receiver module 51, respectively.

[0117] exist Figure 11 In the diagram, 3P3T represents a first switch module 61 that can be arbitrarily switched between three-pole and three-throw configurations, but is not limited to this method; details will be provided later. TX1 / RX represents an interface electrically connected to one first RF transceiver module 52, and TX2 / RX represents an interface electrically connected to another first RF transceiver module 52. RX represents an interface electrically connected to the first RF receiver module 51. PA-1 represents the first power source electrically connected to one first RF transceiver module 52. PA-2 represents the second power source electrically connected to another first RF transceiver module 52.

[0118] The first detection module 70 is used to determine, based on the signal strength of the three first radiators 10, that two of the three first radiators 10 are the two target first radiators 10a, and the other is the non-target first radiator 10b.

[0119] Please see Figure 12 The first control module 60 is configured to switch the first transceiver module 521 electrically to one of the two target first radiators 10a after the first detection module 70 determines two target first radiators 10a, switch the second transceiver module 522 electrically to the other of the two target first radiators 10a, and switch the first radio frequency receiving module 51 electrically to the non-target first radiator 10b after the first detection module 70 determines the non-target first radiator 10b.

[0120] In other words, the first control module 60 switches between the two first radiators 10 with stronger signal strength for receiving and transmitting, and the other first radiator 10 with relatively weaker signal strength for receiving, based on the signal strength of the three first radiators 10 in real time. Functionally, this forms two transmitting antennas and three receiving antennas during operation, which is beneficial for supporting LB band + LB band, that is, for supporting two different low-frequency bands.

[0121] In this embodiment, two first radiators 10 are used as both transmitting and receiving radiators. The transmitting radiators are referred to as transmitting antennas. The more transmitting antennas there are, the greater the antenna gain, and the wider the coverage area (communication distance). When the radiation patterns of multiple transmitting antennas are superimposed, the signal gains of the multiple transmitting antennas are also superimposed, enabling applications in rural areas, deserts, mountains, rivers, forests, and other regions to connect to antenna base stations at greater distances. This allows for the deployment of relatively distant base stations in sparsely populated areas, improving low-frequency coverage; or, in areas with relatively weak signals such as elevators, underground garages, and warehouses, it can provide good signal strength, increasing coverage depth and ensuring communication quality. When the radiation patterns of multiple transmitting antennas are complementary, the multiple transmitting antennas can increase the signal coverage angle, facilitating the reception of base station signals from different directions.

[0122] Furthermore, the more transmitting antennas there are, the more likely two transmitting antennas can support 4G mobile communication signals and 5G mobile communication signals respectively, which is conducive to realizing 4G-5G dual connectivity (i.e., 4G-5G ENDC); or, when the electronic device 1000 has a dual-SIM configuration, one SIM card needs one transmitting antenna to support 5G mobile communication signals, and the other SIM card needs another transmitting antenna to support 4G-5G ENDC mobile communication signals, etc.

[0123] In summary, multiple transmit antennas are beneficial for increasing antenna gain, expanding coverage, and improving signal quality, thus supporting dual-SIM configurations.

[0124] In this embodiment, two first radiators 10 are used for transmission. In other embodiments, three or more first radiators 10 can be used for transmission. One transmitting antenna can support 4G-5G ENDC, and other transmitting antennas can support 4G mobile communication signals, or 5G mobile communication signals, or 4G-5G ENDC mobile communication signals, etc.

[0125] Multiple receiving antennas (receiving antennas are radiators used for receiving) can increase spatial diversity, improve the download speed of electronic device 1000, increase the Internet speed of electronic device 1000, and improve the user experience.

[0126] Optional, please refer to Figure 11 and Figure 12When the user holds the device horizontally, the first detection module 70 detects that the signal strengths of the first sub-radiator 101 and the third sub-radiator 103 are relatively high, determining that the first sub-radiator 101 and the third sub-radiator 103 are the target first radiator 10a, and the second sub-radiator 102 is the non-target first radiator 10b. The controller controls the first switch module 61 to switch the first transceiver module 521 electrically connected to the first sub-radiator 101, and controls the first switch module 61 to switch the second transceiver module 522 electrically connected to the third sub-radiator 103, and controls the first switch module 61 to switch the first radio frequency receiving module 51 electrically connected to the second sub-radiator 102.

[0127] When the user holds the screen vertically (e.g., with their left hand), the first detection module 70 detects that the signal strengths of the first sub-radiator 101 and the second sub-radiator 102 are relatively high, determining that the first sub-radiator 101 and the second sub-radiator 102 are the target first radiator 10a, and the third sub-radiator 103 is the non-target first radiator 10b. The controller controls the first switch module 61 to switch the first transceiver module 521 electrically connected to the first sub-radiator 101, and controls the first switch module 61 to switch the second transceiver module 522 electrically connected to the second sub-radiator 102, and controls the first switch module 61 to switch the first radio frequency receiving module 51 electrically connected to the third sub-radiator 103.

[0128] The first detection module 70 and the first control module 60 work together to switch between the transmitting and receiving antennas under different gripping gestures, so that the transmitting antenna has a better signal strength. Since the transmitting antenna can also receive signals, the antenna system 100 still has a good signal transmission and reception capability.

[0129] This embodiment can also support two different low-frequency bands simultaneously with a relatively small number of first radiators 10, as will be explained in detail below.

[0130] Optionally, the first transceiver module 521 is used to transmit a first low-frequency signal, and the second transceiver module 522 is used to transmit a second low-frequency signal. The first low-frequency signal and the second low-frequency signal have different frequency bands. For example, the first low-frequency signal is one of B20 and N28, and the second low-frequency signal is the other of B20 and N28.

[0131] The first control module 60 is also used to select two of the three first radiators 10 to receive the first low-frequency signal and select the other two to receive the second low-frequency signal. For example, the first sub-radiator 101 and the second sub-radiator 102 support the reception of B20, and the first sub-radiator 101 and the third sub-radiator 103 support the reception of N28. In this way, three first radiators 10 can simultaneously support two different low-frequency bands, which not only achieves simultaneous support for two different low-frequency bands, but also reduces the number of first radiators 10, saves space, and creates space conditions for setting other radiators in the electronic device 1000.

[0132] For the three first radiators 10 provided in this embodiment, this application includes the following design for the first control module 60:

[0133] In the first embodiment of the first control module 60 provided in this example, please refer to [link to relevant documentation]. Figure 11 The first control module 60 includes a first switch module 61 with a three-pole, three-throw switch that can be switched arbitrarily. That is, the radio frequency module with three input terminals can be electrically connected to any first radiator 10.

[0134] This application also provides a second embodiment of the first control module 60, please refer to [link to relevant documentation]. Figure 13 The first control module 60 includes a first switch module 61 that can be arbitrarily switched between double-pole and double-throw, and one radio frequency (RF) module that is fixedly electrically connected to one first radiator 10. That is, the RF modules at the two input terminals of the first switch module 61 can be electrically connected to either of the two first radiators 10. The RF module fixedly electrically connected to the first radiator 10 can be a first transceiver module 521, a second transceiver module 522, or a first RF receiver module 51. Figure 13 This is just one of the implementation methods.

[0135] Of course, in other embodiments of this application, each radio frequency module is fixedly electrically connected to one first radiator 10.

[0136] This application also provides a modified embodiment of this embodiment; please refer to [link / reference]. Figure 14 The number of first radio frequency transceiver modules 52 is one, and the number of first radio frequency receiver modules 51 is two. Figure 14 In this context, RX1 represents an interface that is electrically connected to a first radio frequency receiver module 51. Figure 14 In this context, RX2 represents the interface that is electrically connected to another first radio frequency receiver module 51. Figure 14In this context, TX1 / RX represents the interface electrically connected to a first RF transceiver module 52. The first control module 60 is used to switch the first RF transceiver module 52 to be electrically connected to the first radiator 10 with the relatively high signal strength among the three first radiators 10, and the two first RF receiving modules 51 to be electrically connected to the two first radiators 10 with relatively weak signal strength among the three first radiators 10. During operation, the first control module 60 can also control the first RF transceiver module 52 to work with one first RF receiving module 51 to support a low-frequency signal; or, switch the first RF transceiver module 52 to work with another first RF receiving module 51 to support a low-frequency signal.

[0137] In an embodiment of the antenna system 100 in the second operating mode, please refer to... Figure 15 The number of the first radiators 10 is four. At least two of the four first radiators 10 have different radiation orientations. The effect of at least two of the four first radiators 10 having different radiation orientations is similar to that of at least two of the three first radiators 10 having different radiation orientations in the antenna system 100 of the first operating mode, and will not be repeated here.

[0138] Please see Figure 15 The four first radiators 10 are respectively designated as the first sub-radiator 101, the second sub-radiator 102, the third sub-radiator 103, and the fourth sub-radiator 104.

[0139] This embodiment illustrates an example where the first sub-radiator 101 is located on the second side 312 (e.g., the middle portion) of the frame 310, the second sub-radiator 102 is located on the third side 313 (i.e., the bottom edge) of the frame 310, the third sub-radiator 103 is located in the middle position of the fourth side 314 of the frame 310, and the fourth sub-radiator 104 is located on the second side 312 of the frame 310 near the third side 313. This layout is not limited to this specific arrangement. With this arrangement, when the user holds the screen horizontally, the first sub-radiator 101 and the third sub-radiator 103 are not obstructed, resulting in higher signal strength; when the user holds the screen vertically, the second sub-radiator 102 is not obstructed, and the fourth sub-radiator 104 is less likely to be obstructed, also resulting in higher signal strength.

[0140] Please see Figure 16 The at least three first radio frequency modules 50 include at least one first radio frequency transceiver module 52 and at least two first radio frequency receiver modules 51. At least one first control module 60 is electrically connected to at least two first radiators 10, at least one first radio frequency transceiver module 52 and at least one first radio frequency receiver module 51.

[0141] In this embodiment, the at least three first radio frequency modules 50 include one first radio frequency transceiver module 52 and three first radio frequency receiving modules 51. The three first radio frequency receiving modules 51 are a first receiving module 511, a second receiving module 512, and a third receiving module 513.

[0142] Figure 15 TX1 / RX are interfaces electrically connected to the first RF transceiver module 52. RX1, RX2, and RX3 are interfaces electrically connected to the first receiving module 511, the second receiving module 512, and the third receiving module 513, respectively. 4P4T is a first switch module 61 with 4 inputs and 4 outputs that can be switched arbitrarily.

[0143] The first detection module 70 is used to determine one target first radiator 10a and three non-target first radiators 10b among the four first radiators 10 based on the signal strength of at least one first radiator 10 electrically connected to the first control module 60. The first radiator 10 electrically connected to at least one first control module 60 may be two, three, or four first radiators 10.

[0144] Please see Figure 17 The first control module 60 is used to switch the first radio frequency transceiver module 52 to be electrically connected to the target first radiator 10a, and to control the three first radio frequency receiving modules 51 to be electrically connected to the three non-target first radiators 10b respectively.

[0145] For the four first radiators 10, one first radio frequency transceiver module 52, and three first radio frequency receiving modules 51 provided in this embodiment, the first control module 60 includes the following design:

[0146] In the first embodiment of the first control module 60 provided in this example, please refer to [link to relevant documentation]. Figure 16 The first control module 60 includes a four-pole, four-throw first switch module 61 that can be switched arbitrarily, and all four first radiators 10 are electrically connected to the output terminals of the first switch module 61. The first radio frequency transceiver module 52 can be electrically connected to any one of the first radiators 10.

[0147] The first control module 60 is electrically connected to four first radiators 10, the first radio frequency transceiver module 52, the first receiving module 511, the second receiving module 512 and the third receiving module 513.

[0148] The first detection module 70 is used to determine, based on the signal strength of the four first radiators 10, that one of the four first radiators 10 is the target first radiator 10a, and the other three are the three non-target first radiators 10b.

[0149] The first control module 60 is used to switch the first radio frequency transceiver module 52 to the target first radiator 10a after the first detection module 70 determines the target first radiator 10a, and to switch the first receiving module 511, the second receiving module 512 and the third receiving module 513 to the three non-target first radiators 10b respectively after the first detection module 70 determines the three non-target first radiators 10b.

[0150] In other words, the first control module 60 switches in real time the first radiator 10 with the stronger signal strength to receive and transmit, while the other three first radiators 10 with relatively weaker signal strength receive, based on the signal strength of the four first radiators 10.

[0151] Multiple receiving antennas can improve the download speed of electronic device 1000, increase the Internet speed of electronic device 1000, and enhance the user experience.

[0152] Optional, please refer to Figure 15 and Figure 16 When the user holds the screen horizontally, the first detection module 70 detects that the signal strength of the first sub-radiator 101 is relatively high, and determines that the first sub-radiator 101 is the target first radiator 10a, while the other first radiators 10 are non-target first radiators 10b. The controller controls the first switch module 61 to switch the first radio frequency transceiver module 52 to be electrically connected to the first sub-radiator 101, and controls the first switch module 61 to switch the first receiving module 511, the second receiving module 512, and the third receiving module 513 to be electrically connected to the second sub-radiator 102, the third sub-radiator 103, and the fourth sub-radiator 104, respectively.

[0153] Please see Figure 15 and Figure 16 When the user holds the screen vertically (e.g., with their right hand), the first detection module 70 detects that the signal strength of the third sub-radiator 103 is relatively high, determining that the third sub-radiator 103 is the target first radiator 10a, and the other first radiators 10 are non-target first radiators 10b. The controller controls the first switch module 61 to switch the first RF transceiver module 52 electrically connected to the third sub-radiator 103, and controls the first switch module 61 to switch the first receiving module 511, the second receiving module 512, and the third receiving module 513 electrically connected to the second sub-radiator 102, the first sub-radiator 101, and the fourth sub-radiator 104, respectively.

[0154] The first detection module 70 and the first control module 60 work together to switch the transmitting and receiving antennas under different gripping gestures, ensuring good signal strength for the transmitting antenna. Since the transmitting antenna can also receive signals, the antenna system 100 still maintains good signal transmission and reception capabilities. The first control module 60 can switch the first RF transceiver module 52 to any one of the four first radiators 10, allowing each first radiator 10 to support both signal transmission and reception. This achieves 4x4 multiple input multiple output (MIMO) in the low-frequency band. The low-frequency signal can be 5G or 4G, facilitating 4x4 MIMO in low-frequency bands, including 5G standalone (SA) or non-standalone (NSA) networks. This improves antenna signal coverage, increases throughput, and enhances download speed. It also enables 1-to-4 transmission of the 5G standalone (SA) low-frequency band Sounding Reference Signal (SRS).

[0155] This application also provides a second embodiment of the first control module 60, please refer to [link to relevant documentation]. Figure 18 The first control module 60 includes a three-pole, three-throw first switch module 61 that can be switched arbitrarily. Three first radiators 10 are electrically connected to the first switch module 61, and another first radiator 10 is electrically connected to either the first radio frequency receiving module 51 or the first radio frequency transceiver module 52. That is, the first radio frequency module 50 at the three input terminals of the first switch module 61 can be electrically connected to any one of the three first radiators 10. The first radio frequency module 50, which is fixedly electrically connected to the first radiator 10, can be the first radio frequency transceiver module 52, or the first receiving module 511, or the second receiving module 512, or the third receiving module 513.

[0156] In other words, the first control module 60 switches in real time the first radiator 10 with the stronger signal strength to receive and transmit, while the other two first radiators 10 with relatively weaker signal strength receive, based on the signal strength of the three first radiators 10.

[0157] Multiple receiving antennas can improve the download speed of electronic device 1000, increase the Internet speed of electronic device 1000, and enhance the user experience.

[0158] A first radiator 10, which is not electrically connected to the first control module 60, is fixedly connected to a first radio frequency module 50. The following implementation methods are included:

[0159] Please see Figure 18Three of the first radiators 10 are electrically connected to the first switch module 61, and another first radiator 10 is electrically connected to the first radio frequency receiving module 51. Figure 18 RX4 is the interface electrically connected to the first RF receiving module 51. The first radiator 10, which is not electrically connected to the first control module 60, is used to receive low-frequency signals. Thus, in this embodiment, when the four first radiators 10 are working, there is one transmitting antenna and four receiving antennas. Among them, one transmitting antenna can be arbitrarily switched among the first sub-radiator 101, the second sub-radiator 102, and the third sub-radiator 103. The three receiving antennas can be arbitrarily switched among the first sub-radiator 101, the second sub-radiator 102, and the third sub-radiator 103, while the other receiving antenna is a fixed antenna.

[0160] In this embodiment, the first radiator 10, which is not electrically connected to the first control module 60, is located on the second side 312 of the frame 310 near the third side 313. The position on the second side 312 of the frame 310 near the third side 313 is easily obstructed when the device is held. Therefore, no transmitting antenna is provided at this position, and the transmitting antenna is switched to other positions less likely to be obstructed by the device, which can relatively improve the radiation efficiency of the transmitting antenna. Compared to a four-input / output switch module, this reduces the number of control terminals and saves costs.

[0161] Of course, in other embodiments, the fixed antenna may also be a first radiator 10 located at other positions on the second side 312, a first radiator 10 located on the first side 311, a first radiator 10 located on the third side 313, and a first radiator 10 located on the fourth side 314.

[0162] This application also provides a third embodiment of the first control module 60, wherein the number of first control modules 60 is two. Each first control module 60 includes a double-pole double-throw first switch module 61 that can be switched arbitrarily. Two of the four first radiators 10 are electrically connected to one first control module 60, and the other two of the four first radiators 10 are electrically connected to the other first control module 60.

[0163] Of course, in other embodiments of this application, each first radio frequency module 50 is fixedly electrically connected to a first radiator 10.

[0164] In an embodiment of the antenna system 100 in the third operating mode, please refer to... Figure 19This embodiment is largely the same as the embodiment of the antenna system 100 in the second operating mode. There are four first radiators 10, and at least two of the four first radiators 10 have different radiation orientations. The four first radiators 10 are respectively designated as first sub-radiator 101, second sub-radiator 102, third sub-radiator 103, and fourth sub-radiator 104. This embodiment uses the example of the first sub-radiator 101 being located in the middle of the second side 312 of the frame 310, the second sub-radiator 102 being located on the third side 313 (i.e., the bottom edge) of the frame 310, the third sub-radiator 103 being located in the middle of the fourth side 314 of the frame 310, and the fourth sub-radiator 104 being located on the second side 312 of the frame 310 near the third side 313 for illustration, but is not limited to this layout.

[0165] The main difference between this embodiment and the embodiment of the antenna system 100 in the second operating mode is that:

[0166] Please see Figure 20 and Figure 21 The at least three first radio frequency modules 50 include two first radio frequency transceiver modules 52 and two first radio frequency receiver modules 51.

[0167] The first detection module 70 is used to determine two target first radiators 10a and two non-target first radiators 10b among the four first radiators 10 based on the signal strength of at least one first radiator 10 electrically connected to the first control module 60.

[0168] The first control module 60 is used to switch the two first radio frequency transceiver modules 52 to be electrically connected to the two target first radiators 10a respectively, and to switch the two first radio frequency receiving modules 51 to be electrically connected to the two non-target first radiators 10b respectively.

[0169] The two first radio frequency receiving modules 51 are designated as first receiving module 511 and second receiving module 512. There are two first radio frequency transceiver modules 52. These two first radio frequency transceiver modules 52 are designated as first transceiver module 521 and second transceiver module 522.

[0170] Figure 19 TX1 / RX is an interface electrically connected to a first transceiver module 521. TX2 / RX is an interface electrically connected to a second transceiver module 522. RX1 and RX2 are interfaces electrically connected to the first receiving module 511 and the second receiving module 512, respectively. 4P4T is a first switch module 61 with 4 inputs and 4 outputs that can be switched arbitrarily.

[0171] For the four first radiators 10, two first radio frequency transceiver modules 52, and two first radio frequency receiving modules 51 provided in this embodiment, the first control module 60 includes the following design:

[0172] In the first embodiment of the first control module 60 provided in this example, please refer to [link to relevant documentation]. Figure 20 and Figure 21 The first control module 60 includes a four-pole, four-throw first switch module 61 that can be switched arbitrarily, and all four first radiators 10 are electrically connected to the output terminals of the first switch module 61. The first radio frequency transceiver module 52 can be electrically connected to any one of the first radiators 10.

[0173] The first control module 60 is electrically connected to four first radiators 10, the first receiving module 511, the second receiving module 512, the first transceiver module 521, and the second transceiver module 522.

[0174] The first detection module 70 is used to determine, based on the signal strength of the four first radiators 10, that two of the four first radiators 10 are two target first radiators 10a, and the other two are two non-target first radiators 10b.

[0175] The first control module 60 is used to switch the first transceiver module 521 and the second transceiver module 522 to electrically connect to the two target first radiators 10a respectively after the first detection module 70 determines two target first radiators 10a, and to switch the first receiving module 511 and the second receiving module 512 to electrically connect to the two non-target first radiators 10b respectively after the first detection module 70 determines two non-target first radiators 10b. Functionally, this enables two first radiators 10 to transmit and four first radiators 10 to receive.

[0176] In other words, the first control module 60 switches in real time between the two first radiators 10 with stronger signal strength to receive and transmit, and the other two first radiators 10 with relatively weaker signal strength to receive, based on the signal strength of the four first radiators 10.

[0177] Multiple receiving antennas can improve the download speed of electronic device 1000, increase the Internet speed of electronic device 1000, and enhance the user experience.

[0178] For the second implementation of the first control module 60 provided in this embodiment, please refer to [link / reference needed]. Figure 22The system comprises two first control modules 60. Each first control module 60 includes a double-pole double-throw switch module that can be switched arbitrarily. Two of the four first radiators 10 are electrically connected to one first control module 60, and the other two of the four first radiators 10 are electrically connected to the other first control module 60. The two first control modules 60 are an independent first switch module 61 and a second switch module 62. The first switch module 61 is a double-pole double-throw switch that can be switched arbitrarily. The second switch module 62 is a double-pole double-throw switch that can be switched arbitrarily. That is, the dual switch modules realize the switching of 4 antennas.

[0179] The two input terminals of the first switch module 61 can be any two of the first transceiver module 521, the first receiver module 511, the second transceiver module 522, and the second receiver module 512. The two output terminals of the first switch module 61 can be any two of the first sub-radiator 101, the second sub-radiator 102, the third sub-radiator 103, and the fourth sub-radiator 104.

[0180] For example, please see Figure 22 The two input terminals of the first switch module 61 are electrically connected to the first transceiver module 521 respectively. Figure 22 TX1 / RX is the interface for electrically connecting the first transceiver module 521 and the first receiver module 511. Figure 22 RX1 is the interface electrically connected to the first receiving module 511; the two output terminals of the first switching module 61 are electrically connected to the first sub-radiator 101 and the fourth sub-radiator 104, respectively. The two input terminals of the second switching module 62 are electrically connected to the second transceiver module 522. Figure 22 TX2 / RX is the interface for electrically connecting the second transceiver module 522 and the second receiver module 512. Figure 22 RX2 is the interface for electrically connecting the second receiving module 512; the two output terminals of the second switch module 62 are electrically connected to the second sub-radiator 102 and the third sub-radiator 103, respectively. Optionally, both the first switch module 61 and the second switch module 62 are double-pole double-throw switches.

[0181] Since the first sub-radiator 101 and the fourth sub-radiator 104 are located on the left side of the entire frame 310 (within) Figure 22 (For reference), the second sub-radiator 102 and the third sub-radiator 103 are located close to the right side of the frame 310. By setting one of the first sub-radiator 101 and the fourth sub-radiator 104 as a transmitting antenna and one of the second sub-radiator 102 and the third sub-radiator 103 as a transmitting antenna, the radiation patterns of the two transmitting antennas are complementary, thereby improving the signal coverage of the antenna system 100.

[0182] Furthermore, during the research and development process, it was discovered that the first sub-radiator 101 easily excites the transverse current (along the direction of the first side 311) of the reference ground system GND, and the fourth sub-radiator 104 easily excites the longitudinal current (along the direction of the fourth side 314) of the reference ground system GND. The current pattern excited by the first sub-radiator 101 on the reference ground system GND is different from that excited by the fourth sub-radiator 104 on the reference ground system GND. Therefore, the radiation patterns of the first sub-radiator 101 and the fourth sub-radiator 104 are different. This achieves at least partial complementarity between the radiation patterns of the first sub-radiator 101 and the fourth sub-radiator 104, thereby improving the coverage of the antenna system 100. Correspondingly, the third sub-radiator 103 easily excites the transverse current of the reference ground system GND, and the second sub-radiator 102 easily excites the longitudinal current of the reference ground system GND. The current mode excited by the third sub-radiator 103 on the reference ground system GND is different from that excited by the second sub-radiator 102 on the reference ground system GND. Therefore, the radiation patterns of the second sub-radiator 102 and the third sub-radiator 103 are different. In this way, the radiation patterns of the second sub-radiator 102 and the third sub-radiator 103 are at least partially complementary, thereby improving the coverage of the antenna system 100.

[0183] For example, in other implementations, please refer to Figure 23 The two input terminals of the first switch module 61 are electrically connected to the first transceiver module 521 respectively. Figure 23 TX1 / RX is the interface for electrically connecting the first transceiver module 521 and the first receiver module 511. Figure 23 RX1 is the interface electrically connected to the first receiving module 511; the two output terminals of the first switching module 61 are electrically connected to the first sub-radiator 101 and the second sub-radiator 102, respectively. The two input terminals of the second switching module 62 are electrically connected to the second transceiver module 522, respectively. Figure 23 TX2 / RX is the interface for electrically connecting the second transceiver module 522 and the second receiver module 512. Figure 23 (TX2 / RX is the interface for electrically connecting the second receiving module 512); the two output terminals of the second switching module 62 are electrically connected to the third sub-radiator 103 and the fourth sub-radiator 104, respectively.

[0184] Since the first sub-radiator 101 readily induces a transverse current on the reference ground system GND, and the second sub-radiator 102 readily induces a longitudinal current on the reference ground system GND, and the first sub-radiator 101 and the second sub-radiator 102 are diagonally arranged, the radiation patterns of the first sub-radiator 101 and the second sub-radiator 102 are complementary to improve the coverage of the antenna system 100. Correspondingly, the third sub-radiator 103 readily induces a transverse current on the reference ground system GND, and the fourth sub-radiator 104 readily induces a longitudinal current on the reference ground system GND, and the third sub-radiator 103 and the fourth sub-radiator 104 are diagonally arranged. The radiation patterns of the third sub-radiator 103 and the fourth sub-radiator 104 are complementary to improve the coverage of the antenna system 100.

[0185] Of course, in other embodiments, the two input terminals of the first switch module 61 are electrically connected to the first transceiver module 521 and the first receiver module 511, respectively; the two input terminals of the second switch module 62 are electrically connected to the second transceiver module 522 and the second receiver module 512, respectively; the two output terminals of the first switch module 61 are electrically connected to the first sub-radiator 101 and the third sub-radiator 103, respectively. The two output terminals of the second switch module 62 are electrically connected to the second sub-radiator 102 and the fourth sub-radiator 104, respectively.

[0186] This application also provides a third embodiment of the first control module 60, please refer to [link to relevant documentation]. Figure 24 The first control module 60 includes a first switch module 61 with three-pole, three-throw and arbitrarily switchable functions, three first radiators 10 electrically connected to the first switch module 61, and another first radiator 10 electrically connected to the first radio frequency receiving module 51 or the first radio frequency transceiver module 52.

[0187] That is, the first radio frequency module 50 of the three input terminals of the first switch module 61 can be electrically connected to any one of the three first radiators 10. The first radio frequency module 50 fixedly electrically connected to the first radiator 10 can be the first transceiver module 521, or the second transceiver module 522, or the first receiver module 511, or the second receiver module 512.

[0188] In other words, the first control module 60 switches in real time the first radiator 10 with the stronger signal strength to receive and transmit, while the other two first radiators 10 with relatively weaker signal strength receive, based on the signal strength of the three first radiators 10.

[0189] Multiple receiving antennas can improve the download speed of electronic device 1000, increase the Internet speed of electronic device 1000, and enhance the user experience.

[0190] A first radiator 10, which is not electrically connected to the first control module 60, is fixedly connected to a first radio frequency module 50. The following implementation methods are included:

[0191] Please see Figure 25 Three of the first radiators 10 are electrically connected to the first switch module 61, and another first radiator 10 is electrically connected to the first radio frequency transceiver module 52. The first radiator 10 not electrically connected to the first control module 60 is used for transmitting and receiving low-frequency signals. Thus, in this embodiment, the four first radiators 10 operate as two transmitting antennas and four receiving antennas. One transmitting antenna can be arbitrarily switched among the first, second, and third sub-radiators 103. The other transmitting antenna is a fixed antenna. Three receiving antennas can be arbitrarily switched among the first sub-radiator 101, second sub-radiator 102, and third sub-radiator 103, while the other receiving antenna is a fixed antenna.

[0192] In this embodiment, the first radiator 10, which is not electrically connected to the first control module 60, is located on the second side 312 of the frame 310 near the third side 313. Of course, in other embodiments, the fixed antenna may also be a first radiator 10 located at other positions on the second side 312, a first radiator 10 located on the first side 311, a first radiator 10 located on the third side 313, and a first radiator 10 located on the fourth side 314.

[0193] Of course, in other embodiments of this application, each first radio frequency module 50 is fixedly electrically connected to a first radiator 10.

[0194] In this embodiment, two of the four first radiators 10 serve as transmitting antennas and all four serve as receiving antennas. Compared to the antenna system 100 provided in the first working mode, the number of receiving antennas is increased to achieve 4*4 MIMO, which enables 4*4 multiple-input multiple-output (4*4 multiple MIMO), facilitating deeper coverage of antenna signals, increasing throughput, and improving download speed. Compared to the antenna system 100 provided in the second working mode, the number of transmitting antennas is increased, which helps to increase antenna gain, expand coverage, and improve signal quality to support dual-SIM configuration, and also enables 2-transmit and 4-receive of the 5G standalone (SA) low-frequency band sounding reference signal (SRS).

[0195] Please see Figure 3 and Figure 4 The electronic device 1000 also includes a reference ground system GND. The at least three first radiators 10 are arranged in a ring around the periphery of the reference ground system GND.

[0196] Optionally, the reference ground system GND is exemplified as being approximately rectangular; however, this application does not limit the shape of the reference ground system GND. The reference ground system GND includes a first side 81, a second side 82, a third side 83, and a fourth side 84 connected sequentially. (Referring to a reference...) Figure 11 The first side 81 of the reference ground system GND is positioned opposite to the first side 311 of the frame 310. The second side 82 of the reference ground system GND is positioned opposite to the second side 312 of the frame 310. The third side 83 of the reference ground system GND is positioned opposite to the third side 313 of the frame 310. The fourth side 84 of the reference ground system GND is positioned opposite to the fourth side 314 of the frame 310.

[0197] The at least three first radiators 10 are respectively disposed facing at least three sides. Optionally, the at least three first radiators 10 are disposed on at least three sides of the reference ground system GND. For example, when there are three first radiators 10, the three first radiators 10 are respectively disposed on the second side 82, the third side 83, and the fourth side 84 of the reference ground system GND. When there are four first radiators 10, the four first radiators 10 are respectively disposed on the second side 82, the third side 83, and the fourth side 84; or, respectively disposed on the first side 81, the second side 82, the third side 83, and the fourth side 84.

[0198] Among the plurality of first radiators 10 arranged facing the same side, at least two of the first radiators 10 have different resonant modes. In other words, among the plurality of first radiators 10 located on the same side of the reference ground system GND, at least two of the first radiators 10 have different resonant modes. For example, when two first radiators 10 are both located on the second side 82, the two first radiators 10 have different resonant modes, for example, one is a 1 / 4 wavelength mode and the other is a 1 / 2 wavelength mode. Thus, the current modes and radiation patterns of the two first radiators 10 are different, which is beneficial for the complementary radiation patterns of the two first radiators 10 and helps to improve the coverage of the antenna system 100.

[0199] The length of the first side 81 is less than the length of the second side 82. That is, the first side 81 is the short side, the third side 83 is the short side, the second side 82 is the long side, and the fourth side 84 is the long side.

[0200] Optionally, the at least three first radiators 10 include a first sub-radiator 101, a second sub-radiator 102, and a third sub-radiator 103 arranged in a ring. The first sub-radiator 101 extends along a first direction, which is the direction in which the second side 82 extends. Optionally, the first sub-radiator 101 is located outside the second side 82 (e.g., the middle portion) of the reference ground system GND and extends along the second side 82. Optionally, the first sub-radiator 101 may be integrated into the second side 312. The second sub-radiator 102 extends relative to the first sub-radiator 101 along a second direction, which intersects the first direction (intersection angle is (0-90°)). Optionally, the first direction is perpendicular to the second direction. The portion of the second sub-radiator 102 that is relatively far from the first sub-radiator 101 extends along the first direction. Optionally, a portion of the second sub-radiator 102 is located outside and extends along the third side 83 of the reference ground system GND, and another portion of the second sub-radiator 102 is located outside and extends along the fourth side 84. Optionally, the second sub-radiator 102 may be integrated into the third side 313 and the fourth side 314. The third sub-radiator 103 is disposed opposite to the first sub-radiator 101 and extends along the first direction. The third sub-radiator 103 is located outside (e.g., the middle portion) of the fourth side 84 of the reference ground system GND and extends along the fourth side 84. Optionally, the third sub-radiator 103 may be integrated into the fourth side 314.

[0201] Of course, the first sub-radiator 101, the second sub-radiator 102 and the third sub-radiator 103 mentioned above can also be located in other positions.

[0202] Please see Figure 3The at least three first radiators 10 include a fourth sub-radiator 104 located between the first sub-radiator 101 and the second sub-radiator 102. The portion of the fourth sub-radiator 104 near the first sub-radiator 101 extends along the first direction, and the portion of the fourth sub-radiator 104 near the second sub-radiator 102 extends along the second direction. Optionally, a portion of the fourth sub-radiator 104 is disposed outside and extends along the second side 82 of the reference ground system GND, and another portion of the fourth sub-radiator 104 is disposed outside and extends along the third side 83 of the reference ground system GND. Optionally, a portion of the fourth sub-radiator 104 is integrated into the second side 312, and another portion of the fourth sub-radiator 104 is integrated into the third side 313. Alternatively, the fourth sub-radiator 104 is located between the first sub-radiator 101 and the third sub-radiator 103, and is disposed opposite to the second sub-radiator 102. Optionally, the fourth sub-radiator 104 is disposed outside and extends along the first side 81 of the reference ground system GND. Optionally, the fourth sub-radiator 104 is integrated into the first side 311.

[0203] Please see Figure 3 and Figure 4 The second radiator 20 includes a first coupled radiator 201 and a second coupled radiator 202. The first coupled radiator 201 is located between the first sub-radiator 101 and the second sub-radiator 102, and extends along the second direction and is coupled to the second sub-radiator 102. Optionally, the first coupled radiator 201 is disposed outside the third side 83 and extends along the third side 83, and is coupled to the second sub-radiator 102. Optionally, the first coupled radiator 201 is integrated into the third side 313. Optionally, when the fourth sub-radiator 104 is disposed on the second side 82 near the third side 83, the grounding terminal of the first coupled radiator 201 can be shared with the grounding terminal of the fourth sub-radiator 104. The first coupled radiator 201 and the fourth sub-radiator 104 are independent of each other. The second coupling radiator 202 is located on the side of the third sub-radiator 103 away from the second sub-radiator 102. The second coupling radiator 102 extends along the first direction and is coupled to the third sub-radiator 103. Optionally, the second coupling radiator 202 is disposed outside the fourth side 84 and extends along the fourth side 84, and is coupled to the third sub-radiator 103. Optionally, the second coupling radiator 202 is integrated into the second side 312. The second coupling radiator 202 can be disposed on the side of the third sub-radiator 103 closer to the first side 81, which is beneficial for preventing obstruction when holding the screen vertically.

[0204] The form of the second radiator 20 is not limited to the inverted F antenna and T-type antenna mentioned above, but can also be a loop antenna, etc.

[0205] The frequency bands supported by the first coupling radiator 201 and the second coupling radiator 202 in this application may be the same or different. In this embodiment, the first coupling radiator 201 and the second coupling radiator 202 are respectively located on the third side 83 and the fourth side 84. When the user holds the electronic device 1000 horizontally, the first coupling radiator 201 is held, while the second coupling radiator 202 is not; when the user holds the electronic device 1000 vertically, neither the first coupling radiator 201 nor the second coupling radiator 202 is easily held. This ensures that at least one of the first coupling radiator 201 and the second coupling radiator 202 operates well under different user holding methods.

[0206] Please see Figure 26 The second radiator 20 further includes a third coupling radiator 203. The third coupling radiator 203 is located at the end of the first sub-radiator 101 away from the second sub-radiator 102, and extends along the first direction and is coupled to the first sub-radiator 101. Optionally, the third coupling radiator 203 is disposed outside the second side 82 and extends along the second side 82, and is coupled to the first sub-radiator 101. Optionally, the third coupling radiator 203 is integrated into the second side 312. The third coupling radiator 203 is disposed on the side of the first sub-radiator 101 closest to the first side 81. The third coupling radiator 203 is used to support at least one of the following: MHB band mobile communication signals, UHB band mobile communication signals, Wi-Fi signals, and GNSS signals.

[0207] Please see Figure 26 The antenna system 100 further includes a top radiator 204. The top radiator 204 is disposed opposite to the second sub-radiator 102 and extends along the second direction. Optionally, the top radiator 204 is located outside the first side 81 and extends along the first side 81. Optionally, the top radiator 204 is integrated into the first side 311. The top radiator 204 is used to support at least one of MHB band mobile communication signals, UHB band mobile communication signals, Wi-Fi signals, and GNSS signals. The top radiator 204 may not be coupled to the first radiator 10. This top radiator 204 is less likely to be obstructed when holding the screen vertically.

[0208] Please see Figure 27The antenna system 100 further includes a second detection module 90, a plurality of second radio frequency modules 110, and at least one second control module 120. The second radio frequency module 110 includes at least one second radio frequency transceiver module 111 and at least one second radio frequency receiver module 112.

[0209] Optionally, when the top radiator 204 supports the same frequency band as the first coupled radiator 201, the second coupled radiator 202, and the third coupled radiator 203, for example, all in the MHB band, the top radiator can be referred to as the second radiator 20 that is not coupled to the first radiator 10. There are four second radiators 20: the first coupled radiator 201, the second coupled radiator 202, the third coupled radiator 203, and the top radiator 204.

[0210] Four second radiators 20 are respectively located on the first side 81, second side 82, third side 83, and fourth side 84 of the reference ground system GND. This ensures that the radiation patterns of the four second radiators 20 are complementary and that the second radiators 20 are not obstructed by the user's hand under different gripping gestures, providing a good working environment. Three of the four second radiators 20 are coupled to the first radiator 10, and one is not coupled to the first radiator 10. The second radiator 20 not coupled to the first radiator 10 is located on the first side 81 of the reference ground system GND, and the three second radiators 20 are located on the second side 82, third side 83, and fourth side 84, respectively. Of course, the number of second radiators 20 can also be two, three, or more than four, etc., and this application does not make a specific limitation in this regard. Similarly, this application does not make a specific limitation on the number and location of the second radiators 20 coupled to the first radiator 10. This application also does not make a specific limitation on the number and location of the second radiators 20 not coupled to the first radiator 10.

[0211] Each of the four second radiators 20 is a transmitting and receiving antenna. During operation, at least one of the four second radiators 20 transmits at least one of the following: MHB band mobile communication signals, UHB band mobile communication signals, Wi-Fi signals, and GNSS signals. All four second radiators 20 are capable of receiving at least one of the following: MHB band mobile communication signals, UHB band mobile communication signals, Wi-Fi signals, and GNSS signals.

[0212] Please see Figure 28 The second detection module 90 is used to detect the signal strength of the plurality of second radiators 20, and to determine at least one target second radiator 20a and at least one non-target second radiator 20b based on the signal strength of the plurality of second radiators 20. The signal strength of the target second radiator 20a is greater than the signal strength of the non-target second radiator 20b.

[0213] Furthermore, among the four second radiators 20, the second radiator 20 with the strongest signal strength is the target second radiator 20a, and the remaining second radiators 20 are non-target second radiators 20b. Optionally, the second detection module 90 detects the signal strength of the second radiator 20 by detecting the signal reception strength at the second radio frequency module 110, thereby determining the operating environment of the second radiator 20.

[0214] The second radio frequency transceiver module 111 is used to receive and transmit at least one of the following: mobile communication signals in the MHB band, mobile communication signals in the UHB band, Wi-Fi signals, and GNSS signals. The second radio frequency receiving module 112 is used to receive at least one of the following: mobile communication signals in the MHB band, mobile communication signals in the UHB band, Wi-Fi signals, and GNSS signals.

[0215] The second control module 120 is electrically connected to the second RF transceiver module 111, the second RF receiver module 112, the second detection module 90, and a plurality of second radiators 20. The second control module 120 is configured to switch the second RF transceiver module 111 electrically to the target second radiator 20a after the second detection module 90 determines at least one target second radiator 20a, and to switch the second RF receiver module 112 electrically to the non-target second radiator 20b after the second detection module 90 determines at least one non-target second radiator 20b.

[0216] Optionally, the second detection module 90 detects the signal reception strength of multiple second radiators 20 at the second radio frequency module 110, compares the magnitude of the multiple signal reception strengths, determines the second radiator 20 with the largest signal reception strength as the target second radiator 20a, and determines the second radiator 20 with the smaller signal reception strength as the non-target second radiator 20b, and sends the target second radiator 20a and the non-target second radiator 20b to the controller in the form of electrical signals. The controller switches the third switch module to connect the second radio frequency transceiver module 111 to the second radiator 20 with the highest signal strength, and to connect the second radio frequency receiving module 112 to the second radiators 20 with other signal strengths.

[0217] Optionally, the second control module 120 can switch any one of the four second radiators 20 to be electrically connected to the second radio frequency transceiver module 111. The second control module 120 can also switch any one of the four second radiators 20 to be electrically connected to the second radio frequency receiver module 112.

[0218] The above process can be a real-time dynamic process. That is, the second detection module 90 detects the signal reception strength of multiple second radiators 20 in real time, and the controller adjusts the third switching module in real time to achieve intelligent switching. This ensures that no matter how the working environment of the multiple second radiators 20 changes (or how the hand grip changes), the second radiator 20 with the best signal reception strength can be used as the transmitting radiator, and the other second radiators 20 can be used as the receiving radiators. This maintains good signal quality for the transmitting radiator under different hand grip postures, improves the signal stability of the electronic device 1000, and enhances the user experience.

[0219] The settings and switching methods of the second radio frequency module 110 and the second control module 120 electrically connected to the second radiator 20 can be referenced from the settings and switching methods of the first radio frequency module 50, the first control module 60 electrically connected to the first radiator 10, and will not be described in detail here.

[0220] In this application, by setting at least one second radiator 20 that supports other frequency bands (such as MHB band, UHB band, Wi-Fi signal, or GNSS signal) coupled to the first radiator 10, space on the electronic device 1000 is saved while supporting the aforementioned MHB band, UHB band, Wi-Fi signal, or GNSS signal. Thus, three, four, or more first radiators 10 can be set. At least one of the three or four first radiators 10 can be set as a transmitting antenna. The first radio frequency transceiver module 52 and the first radio frequency receiving module 51 are not fixedly electrically connected to the multiple first radiators 10. Instead, the first radio frequency transceiver module 52 and the first radio frequency receiving module 51 at the input end can be electrically connected to any one of the first radiators 10 through a switching module. In this way, under different user grip gestures, the antenna system 100 can determine which first radiator 10 the first radio frequency transceiver module 52 is connected to based on the detected signal strength of the multiple first radiators 10. This facilitates intelligent selection of the transmitting antenna position under different grip gestures, ensuring a high signal strength under different grip gestures. Multiple transmitting antennas can be set among the multiple first radiators 10, which is beneficial for increasing antenna gain, expanding coverage, improving signal quality, and supporting dual-SIM configuration, etc. All of the multiple first radiators 10 can be used as receiving antennas, which is beneficial for increasing the depth and breadth of signal coverage and improving download speed. The antenna system 100 provided in this embodiment can also realize 4*4 MIMO in the LB band, 4*4 MIMO in the MHB band, and can also realize smart antenna switching of 3 low-frequency radiators or 4 low-frequency radiators, smart antenna switching of 3 mid-to-high frequency radiators or 4 mid-to-high frequency radiators; it can also realize 1 transmit 4 receive or 2 transmit 4 receive of 5G standalone (SA) low-frequency band sounding reference signal, etc.

[0221] The above description represents some embodiments of this application. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this application, and these improvements and modifications are also considered to be within the scope of protection of this application.

Claims

1. An antenna system, characterized in that, include: At least three first radiators, at least one of which is capable of emitting a preset low-frequency signal, and all of the first radiators are capable of receiving the preset low-frequency signal. The first radiator has an active end and a second coupling end, and a second feed point located between the active end and the second coupling end; A second power supply system is electrically connected to the second power supply point; At least one second radiator is coupled to at least one first radiator via a coupling gap. The minimum value of the frequency band supported by the second radiator is greater than or equal to the maximum value of the frequency band of the preset low-frequency signal. The second radiator has a first ground terminal and a first coupling terminal, a first feed point located between the first ground terminal and the first coupling terminal, and a second matching point located between the first ground terminal and the first coupling terminal. The coupling gap is located between the second coupling end and the first coupling end. A first power supply system is electrically connected to the first power supply point; The second matching circuit includes a capacitor. One end of the second matching circuit is electrically connected to the second matching point, and the other end of the second matching circuit is grounded. The capacitor in the second matching circuit is used to shift the resonant frequency of the portion between the first coupling end and the second matching point to a lower value, so that the second radiator supports the preset low-frequency signal. The second feeding system is at least used to excite the portion between the first coupling end and the second matching point to generate the resonance corresponding to the preset low-frequency signal. The at least three first radiators include a first sub-radiator, a second sub-radiator, and a third sub-radiator arranged in a ring in sequence; the first sub-radiator extends along a first direction; the portion of the second sub-radiator relatively close to the first sub-radiator extends along a second direction, and the portion relatively far from the first sub-radiator extends along the first direction, the second direction intersecting the first direction; the third sub-radiator is disposed opposite to the first sub-radiator and extends along the first direction. The second radiator includes a first coupled radiator and a second coupled radiator. The first coupled radiator is located between the first sub-radiator and the second sub-radiator. The first coupled radiator extends along the second direction and is coupled to the second sub-radiator. The second coupled radiator is located on the side of the third sub-radiator away from the second sub-radiator. The second coupled radiator extends along the first direction and is coupled to the third sub-radiator.

2. The antenna system as described in claim 1, characterized in that, The first feeding system is electrically connected to the second radiator, and at least one of the first radiator generates a resonant mode of at least one of the following: a 1 / 4 wavelength mode, a 1 / 2 wavelength mode, a 3 / 4 wavelength mode, and a single wavelength mode, under the excitation of the first feeding system.

3. The antenna system as described in claim 2, characterized in that, The second feeding system is electrically connected to the first radiator, and the second radiator generates a resonant mode of at least one of the following: a 1 / 4 wavelength mode, a 1 / 2 wavelength mode, a 3 / 4 wavelength mode, and a single wavelength mode, under the excitation of the second feeding system.

4. The antenna system as described in claim 1, characterized in that, The active terminal is grounded; the first power supply system at least excites the portion between the second coupling terminal and the second power supply point to resonate.

5. The antenna system as described in claim 1, characterized in that, The active end is a free end, and the first radiator also has a first matching point located between the second feed point and the second coupling end; the antenna system further includes a first matching circuit, which includes at least one of a capacitor, an inductor, and a switching tuning device, one end of the first matching circuit is electrically connected to the first matching point, and the other end of the first matching circuit is grounded; the first feed system at least excites the portion between the second coupling end and the first matching point to resonate.

6. The antenna system according to any one of claims 1 to 5, characterized in that, The antenna system also includes: At least three first radio frequency modules, wherein the at least three first radio frequency modules include at least one first radio frequency receiving module and at least one first radio frequency transceiver module; At least one first control module, wherein the first control module is electrically connected to at least two first radio frequency modules and at least two first radiators; and A first detection module is configured to detect the signal strength of at least one first radiator electrically connected to the first control module, and to determine at least one target first radiator and at least one non-target first radiator based on the signal strength, wherein the signal strength of the target first radiator is greater than the signal strength of the non-target first radiator; the first control module is configured to switch the first radio frequency transceiver module electrically connected to the target first radiator and to switch the first radio frequency receiving module electrically connected to the non-target first radiator.

7. The antenna system as described in claim 6, characterized in that, The number of the first radiators is three, and at least two of the three first radiators have different radiation directions; The at least three first radio frequency modules include two first radio frequency transceiver modules and one first radio frequency receiver module. The first control module is electrically connected to the three first radiators, the one first radio frequency transceiver module and the two first radio frequency receiver modules. The first detection module is used to determine, based on the signal strength of the three first radiators, that two of the three first radiators are the two target first radiators, and the other is the non-target first radiator; The first control module is used to switch one of the first radio frequency transceiver modules electrically connected to one of the two target first radiators, switch the other of the first radio frequency transceiver modules electrically connected to the other of the two target first radiators, and switch the first radio frequency receiving module electrically connected to the non-target first radiator.

8. The antenna system as described in claim 7, characterized in that, The two first radio frequency transceiver modules are used to transmit a first low-frequency signal and a second low-frequency signal, respectively. The first control module is also configured to select two of the three first radiators to receive the first low-frequency signal and select the other two to receive the second low-frequency signal.

9. The antenna system as described in claim 6, characterized in that, The number of the first radiators is four, and at least two of the four first radiators have different radiation directions; The at least three first radio frequency modules include at least one first radio frequency transceiver module and at least two first radio frequency receiver modules, and at least one first control module is electrically connected to at least two first radiators, at least one first radio frequency transceiver module and at least one first radio frequency receiver module.

10. The antenna system as claimed in claim 9, characterized in that, The at least three first radio frequency modules include one first radio frequency transceiver module and three first radio frequency receiver modules; The first detection module is used to determine one target first radiator and three non-target first radiators among the four first radiators based on the signal strength of at least one first radiator electrically connected to the first control module; The first control module is used to switch the first radio frequency transceiver module to be electrically connected to the target first radiator, and to control the three first radio frequency receiving modules to be electrically connected to the three non-target first radiators respectively.

11. The antenna system as claimed in claim 9, characterized in that, The at least three first radio frequency modules include two first radio frequency transceiver modules and two first radio frequency receiver modules; the first detection module is used to determine two target first radiators and two non-target first radiators among the four first radiators based on the signal strength of the first radiator electrically connected to at least one first control module. The first control module is used to switch the two first radio frequency transceiver modules to be electrically connected to the two target first radiators respectively, and to switch the two first radio frequency receiving modules to be electrically connected to the two non-target first radiators respectively.

12. The antenna system as described in claim 9 or 10, characterized in that, The first control module includes a four-pole, four-throw switch module, with all four first radiators electrically connected to the switch module; or, the first control module includes a three-pole, three-throw switch module, with three first radiators electrically connected to the switch module and the other first radiator electrically connected to the first radio frequency receiving module or the first radio frequency transceiver module; or, the number of first control modules is two, each first control module including a double-pole, double-throw switch module, with two of the four first radiators electrically connected to one first control module and the other two of the four first radiators electrically connected to the other first control module.

13. The antenna system as claimed in claim 1, characterized in that, The signals supported by the second radiator include at least one of the following: mobile communication signals in the MHB band, mobile communication signals in the UHB band, Wi-Fi signals, and GNSS signals.

14. The antenna system according to any one of claims 1-5, 7-11, and 13, characterized in that, The at least three first radiators are respectively arranged facing at least three sides; among the multiple first radiators arranged facing the same side, at least two of the first radiators have different resonance modes.

15. The antenna system as claimed in claim 14, characterized in that, The at least three first radiators include a fourth sub-radiator located between the first sub-radiator and the second sub-radiator, wherein the portion of the fourth sub-radiator close to the first sub-radiator extends along the first direction, and the portion of the fourth sub-radiator close to the second sub-radiator extends along the second direction; or, the fourth sub-radiator is located between the first sub-radiator and the third sub-radiator and is disposed opposite to the second sub-radiator.

16. The antenna system as claimed in claim 15, characterized in that, The second radiator further includes a third coupled radiator located at the end of the first sub-radiator away from the second sub-radiator, the third coupled radiator extending along the first direction and coupled to the first sub-radiator; the antenna system further includes a top radiator disposed opposite to the second sub-radiator and extending along the second direction, the top radiator being used to support at least one of mobile communication signals in the MHB band, mobile communication signals in the UHB band, Wi-Fi signals, and GNSS signals.

17. The antenna system according to any one of claims 1-5, 7-11, 13, 15, and 16, characterized in that, The antenna system further includes a second detection module, multiple second radio frequency modules, and at least one second control module; the second radio frequency module includes at least one second radio frequency transceiver module and at least one second radio frequency receiver module; The number of the second radiators is multiple, and the second detection module is used to detect the signal strength of the multiple second radiators, and determine at least one target second radiator and at least one non-target second radiator based on the signal strength of the multiple second radiators, wherein the signal strength of the target second radiator is greater than the signal strength of the non-target second radiator. The second control module is electrically connected to the second radio frequency transceiver module, the second radio frequency receiver module, the second detection module, and a plurality of second radiators. The second control module is used to switch the second radio frequency transceiver module electrically connected to the target second radiator and to switch the second radio frequency receiver module electrically connected to the non-target second radiator.

18. An electronic device, characterized in that, Including the antenna system as described in any one of claims 1 to 17.

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