WO2023024946A1 - Electronic device - Google Patents

Abstract

An electronic device, the electronic device comprising a metal frame (12) and a radio frequency system (20). The radio frequency system (20) comprises a first antenna (ANT0), a second antenna (ANT1), a third antenna (ANT2), a fourth antenna (ANT3), a radio frequency transceiver (210), a first transceiver circuit (220), and a second transceiver circuit (230). The first antenna (ANT0) is formed in a top frame (121) of the metal frame (12), at least part of the second antenna (ANT1) is formed in a bottom frame (123) of the metal frame (12), the third antenna (ANT2) is formed in a first side frame (125) of the metal frame (12), and the fourth antenna (ANT3) is formed in a second side frame (127) of the metal frame (12). The radio frequency transceiver (210) is used to provide a first radio frequency signal and a second radio frequency signal. The first transceiver circuit (220) is used to transmit and receive the first radio frequency signal and switchably transmit the first radio frequency signal to a first antenna group. The second transceiver circuit (230) is configured to transmit and receive the second radio frequency signal and switchably transmit the second radio frequency signal to a second antenna group.

Description

Electronic equipment

Cross References to Related Applications

This application claims the priority of a Chinese patent application with application number 2021219954375 and titled "Electronic Equipment" filed with the China Patent Office on August 23, 2021, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of antennas, in particular to an electronic device.

Background technique

The statements herein merely provide background information related to the present application and do not necessarily constitute prior exemplary art.

With the rapid development of Internet communication technology and the continuous popularization of electronic devices, users' demand for data traffic is also increasing. In the current electronic equipment, in the antenna switching scheme of the Sounding Reference Signal (SRS) transmission and the 4G/5G signal, the 4G/5G signal is generally only switched between the first antenna and the second antenna. However, in some scenarios, for example, when an electronic device such as a mobile phone is held with a horizontal screen, both the first antenna and the second antenna may be blocked by the holding, which will affect the transmission performance of the first antenna and the second antenna.

In order to improve the transmission performance of the electronic device when the screen is held in a landscape orientation, a switch module, such as a 3P3T switch or a DP4T switch, is added in related technologies to realize switching between the three antennas. However, in the related art, the insertion loss is high and the emission performance is poor.

Utility model content

According to various embodiments of the present application, an electronic device is provided.

An electronic device comprising:

The metal frame includes a top frame and a bottom frame arranged opposite to each other, and a first side frame and a second side frame connected between the top frame and the bottom frame, and the first side frame and the second side frame are arranged opposite to each other;

The radio frequency system includes a first antenna, a second antenna, a third antenna, a fourth antenna, a radio frequency transceiver, a first transceiver circuit, and a second transceiver circuit, wherein the first antenna is formed on the top frame, and at least part of the second antenna is formed On the bottom frame, the third antenna is formed on the first side frame, and the fourth antenna is formed on the second side frame;

A radio frequency transceiver, configured to provide a first radio frequency signal and a second radio frequency signal, the network standards of the first radio frequency signal and the second radio frequency signal are different, and the frequency ranges of the first radio frequency signal and the second radio frequency signal are the same;

The first transceiver circuit is connected with the radio frequency transceiver, and is used for transmitting and receiving the first radio frequency signal, and switchably transmitting the first radio frequency signal to the first antenna group;

The second transceiver circuit, connected with the radio frequency transceiver, is used to send and receive the second radio frequency signal, and switchably transmit the second radio frequency signal to the second antenna group; wherein, each of the first antenna group and the second antenna group includes different of two antennas.

The electronic device in the embodiment of the present application includes a metal frame and a radio frequency system, wherein the radio frequency system includes a radio frequency transceiver, a first transceiver circuit, a second transceiver circuit and four antennas, wherein the four antennas are formed in one-to-one correspondence On the top frame, bottom frame, and two side frames of the metal frame, the first transceiver circuit can be switchably connected to the two antennas of the first antenna group, and the second transceiver circuit can be switchably connected to the second antenna group. The radio frequency transceiver can time-division or simultaneously provide the first radio frequency signal and the second radio frequency signal with the same frequency range, which can make the target radio frequency signal (for example, an intermediate frequency signal or a high frequency signal with the same frequency band range) on the four antennas Switching greatly reduces the probability that the four antennas are held by the user at the same time, and improves the performance of the antennas when the electronic device is held in a horizontal screen state (for example, in a game scene held in a horizontal screen). In addition, in the electronic device provided by the embodiment of the present application, the first transceiver circuit and the second transceiver circuit are arranged independently of each other, which is convenient for flexible layout, and the first transceiver circuit and the second transceiver circuit can be placed close to the corresponding antenna positions respectively, The insertion loss of the wiring between the first transceiver circuit and the first antenna group and the insertion loss of the wiring between the second transceiver circuit and the second antenna group can be reduced, thereby improving the transmission performance of the electronic device.

The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below. Other features, objects and advantages of the present application will be apparent from the description, drawings and claims.

Description of drawings

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

FIG. 1 is a schematic diagram of a three-dimensional structure of an electronic device in an embodiment;

Fig. 2 is one of the schematic structural diagrams of electronic equipment in an embodiment;

Fig. 3 is one of the frame schematic diagrams of the radio frequency system in an embodiment;

Fig. 4 is the second schematic diagram of the framework of the radio frequency system in an embodiment;

Fig. 5 is a second structural schematic diagram of an electronic device in an embodiment;

Fig. 6 is a third structural schematic diagram of an electronic device in an embodiment;

Fig. 7 is a third schematic diagram of the framework of the radio frequency system in an embodiment;

FIG. 8 is a fourth schematic diagram of the framework of the radio frequency system in an embodiment;

Fig. 9 is a fourth structural schematic diagram of an electronic device in an embodiment;

Fig. 10 is a fifth structural diagram of an electronic device in an embodiment;

Fig. 11 is a fifth schematic diagram of the framework of the radio frequency system in an embodiment;

Fig. 12 is a sixth schematic diagram of the framework of the radio frequency system in an embodiment;

Fig. 13 is a sixth schematic diagram of the structure of the electronic device in an embodiment;

Fig. 14 is a schematic diagram of the frame of an electronic device in one embodiment.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

It can be understood that the terms "first", "second" and the like used in this application may be used to describe various elements herein, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first antenna could be termed a second antenna, and, similarly, a second antenna could be termed a first antenna, without departing from the scope of the present application. Both the first antenna and the second antenna are antennas, but they are not the same antenna.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. In the description of the present application, "several" means at least one, such as one, two, etc., unless otherwise specifically defined.

The radio frequency system involved in the embodiments of the present application can be applied to electronic devices with wireless communication functions, and the electronic devices can be handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, and various forms of A user equipment (User Equipment, UE) (for example, a mobile phone), a mobile station (Mobile Station, MS) and so on.

As shown in FIG. 1 and FIG. 2 , in one embodiment, the electronic device is a mobile phone as an example for description. The electronic device includes a display screen assembly 11, a frame 12 and a cover assembly. Display assembly 11 comprises display screen 111, and display screen 111 can adopt OLED (Organic Light-Emitting Diode, organic light-emitting diode) screen, also can adopt LCD (Liquid Crystal Display, liquid crystal display) screen, and display screen 11 can be used for displaying information and Provide an interactive interface for users. The shape of the display screen 111 can be a rectangle or a rectangle with curved corners. Sometimes a rectangle with curved corners can also be called a rounded rectangle, that is, the four corners of the rectangle adopt a circular arc transition, and the four sides of the rectangle roughly form straight line segments.

The frame 12 can be made of metal materials such as aluminum alloy or magnesium alloy or stainless steel, and the frame 12 is arranged on the periphery of the display screen assembly 11 for supporting and protecting the display screen assembly 11 . The frame 12 may further extend to the inside of the electronic device to form a middle board, and the integrally formed middle board and frame 12 are sometimes also referred to as a middle frame. The display screen assembly 11 can be fixedly connected to the frame 12 or the middle board by using processes such as dispensing glue.

The cover assembly is disposed on a side facing away from the displayable area of the display screen 111 and connected to the frame 12 . Further, the display screen assembly 11 and the cover assembly are respectively located on opposite sides of the middle board. An installation space may be formed between the cover assembly and the display screen 111 for installing electronic components such as batteries, circuit boards, and camera modules of electronic equipment. Wherein, the circuit board 13 may integrate electronic components such as a processor, a storage unit, a power management module, a radio frequency transceiver, and a baseband processor of an electronic device. The circuit board 13 is arranged on the side facing away from the displayable area of the display screen 111 , and the circuit board 13 can be fixedly connected to the middle frame through structural members such as screws. The circuit board 13 may be a PCB (Printed Circuit Board, printed circuit board) or an FPC (Flexible Printed Circuit, flexible circuit board). Part of the radio frequency circuit for processing radio frequency signals can be integrated on the circuit board 13, the radio frequency circuit includes but not limited to antenna components, at least one amplifier, transceiver, coupler, low noise amplifier (Low Noise Amplifier, LNA), duplexer, etc. In addition, radio frequency circuits can also communicate with networks and other devices through wireless communication. The above wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile communication (Global System of Mobile communication, GSM), General Packet Radio Service (General Packet Radio Service, GPRS), Code Division Multiple Access (Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE)), email, Short Messaging Service (SMS), etc.

Please continue to refer to FIG. 2, the middle frame 12 is roughly in the shape of a rectangular frame, which includes a top frame 121 and a bottom frame 123 arranged opposite to each other, and a first side frame 125 and a second frame connected between the top frame 121 and the bottom frame 123. The side frame 127, the first side frame 125 and the second side frame 127 are arranged opposite to each other, and the top frame 121, the first side frame 125, the bottom frame 123 and the second side frame 127 are connected end to end and located on the periphery of the middle plate. Specifically, the connection between each frame may be a right angle connection or a circular arc transition connection. Further, when the frame is a metal frame, the frame 12 may form antennas for radiating radio frequency signals of different frequency bands. The antenna can be formed by slits arranged on the frame. Among them, the antenna in the embodiment of the present application can be used to radiate Long Term Evolution (LTE) signals (abbreviation, 4G LTE signals) and new air interface (New Radio, NR) signals (abbreviation, 5G NR signals), wherein, 5G NR signals can also include 5G signals in the Sub 6G frequency band. It should be noted that the antenna in the embodiment of the present application may also be used to support communications such as NFC and Bluetooth. In the embodiment of the present application, no further limitation is made on the specific frequency band of the radio frequency signal that the antenna can radiate.

As shown in Figure 3, the electronic equipment also includes a radio frequency system 20, so that the electronic equipment can work in a non-standalone (Non-Standalone, NSA) mode, an independent networking mode (Standalone, SA) mode, a long-term evolution network (long term evolution, LTE) working mode (or called LTE only working mode). In the NSA working mode, there is only one TX channel and four RX channels, and the sounding reference signal (Sounding Reference Signal, SRS) is required to realize the 1T4R rotation function; while in the SA working mode, there are two TX channels and four transmitting channels. For the RX channel, the SRS is required to implement the 2T4R rotation function, and can also support the 1T4R rotation function. The electronic device in this embodiment can realize two-transmission-four-reception 2T4R compatibility with one-transmission-four-reception 1T4R.

Please continue to refer to FIG. 2 and FIG. 3, the radio frequency system 20 may include a first antenna ANT0, a second antenna ANT1, a third antenna ANT2, a fourth antenna ANT3, a radio frequency transceiver 210, a first transceiver circuit 220, and a second transceiver circuit 230 . Wherein, the first antenna ANT0 is formed on the top frame 121 , at least part of the second antenna ANT1 is formed on the bottom frame 123 , the third antenna ANT2 is formed on the first side frame 125 , and the fourth antenna ANT3 is formed on the second side frame 127 . Due to the limitation of the structure of the electronic device, during the normal use of the electronic device, since the first antenna ANT0 and the second antenna ANT1 are respectively arranged on the top frame 121 and the bottom frame 123 of the electronic device, the third antenna ANT2 and the fourth antenna ANT3 are respectively It is arranged on the two side frames 125 and 127 of the electronic device. Therefore, the efficiencies of the first antenna ANT0 and the second antenna ANT1 are higher than those of the third antenna ANT2 and the fourth antenna ANT3.

The radio frequency transceiver 210 is configured to provide a first radio frequency signal and a second radio frequency signal. The network standards of the first radio frequency signal and the second radio frequency signal are different, and the frequency ranges of the first radio frequency signal and the second radio frequency signal are the same. The first network may be a 4G network, and the second network may be a 5G network. The first radio frequency signal may include a low frequency signal, an intermediate frequency signal and a high frequency signal, and the second radio frequency signal may also include a low frequency signal, an intermediate frequency signal and a high frequency signal. Wherein, the frequency band division of the first radio frequency signal and the second radio frequency signal is shown in Table 1. In addition, the radio frequency transceiver 210 is configured to provide a third radio frequency signal, where the third radio frequency signal may be a UHF signal of the second network, for example, a 5G NR signal in frequency bands N77, N78, and N79.

Table 1 is the frequency band division table for intermediate frequency signals, high frequency signals and ultra high frequency signals

It should be noted that the 5G network will continue to use the frequency band used by 4G, and only the identification before the serial number will be changed. Wherein, the frequency ranges of the frequency bands with the same serial number are the same. In addition, the 5G network has added some ultra-high frequency bands that are not available in the 4G network, such as N77, N78, and N79.

In the embodiment of the present application, the first radio frequency signal provided by the radio frequency transceiver 210 may include an intermediate frequency signal and a high frequency signal, and the second radio frequency signal provided by the radio frequency transceiver 210 may include an intermediate frequency signal and a high frequency signal. When the electronic device needs to work in the NSA working mode, its radio frequency transceiver 210 can time-dividedly provide the first radio frequency signal and the second radio frequency signal with the same frequency range. When the electronic device needs to work in the SA working mode, its radio frequency transceiver 210 can simultaneously provide the first radio frequency signal and the second radio frequency signal with the same frequency range.

The first transceiving circuit 220 is connected with the radio frequency transceiver 210 and used for transceiving the first radio frequency signal, and switchably transmitting the first radio frequency signal to the first antenna group 240 . The first transceiving circuit 220 can support receiving and transmitting processing of the first radio frequency signal. When transmitting the first radio frequency signal, the first radio frequency signal provided by the radio frequency transceiver 210 may be transmitted to the two antennas of the first antenna group 240 . The second transceiver circuit 230 is connected with the radio frequency transceiver 210 and used for transceiving the second radio frequency signal, and switchably transmitting the second radio frequency signal to the second antenna group 250 . The second transceiving circuit 230 can support receiving and transmitting processing of the second radio frequency signal. When transmitting the second radio frequency signal, the second radio frequency signal provided by the radio frequency transceiver 210 may be transmitted to the two antennas of the second antenna group 250 .

Wherein, both the first antenna group 240 and the second antenna group 250 may include two antennas, and the first antenna group 240 and the second antenna group 250 respectively include two different antennas. That is, the first antenna group 240 may include any two of the first antenna ANT0, the second antenna ANT1, the third antenna ANT2, and the fourth antenna ANT3, and the second antenna group 250 may include any antennas other than the first antenna group 240. Two antennas. Each antenna in the first antenna group 240 and the second antenna group 250 can support the function of sending and receiving 4G LTE signals and 5G NR signals. Exemplarily, each antenna in the first antenna group 240 and the second antenna group 250 can It can support the sending and receiving functions of intermediate frequency signals, high frequency signals and ultra high frequency signals.

The electronic device in this embodiment supports SRS 1T4R and four-antenna switching in NSA working mode. When performing radio frequency transmission, the radio frequency transceiver 210 can provide a first radio frequency signal and a second radio frequency signal having the same frequency range, wherein the first radio frequency signal (for example, B3 frequency band signal) and the second radio frequency signal (for example, N3 frequency band signal) can be provided in time-sharing. That is, it is possible to provide two transmission signals with the same frequency in time division. Among them, the first signal (for example, the first radio frequency signal B3) can be switched to the first antenna ANT0 and the second antenna ANT1 through the first transceiver circuit 220, so as to switch and transmit between the first antenna ANT0 and the second antenna ANT1; Two signals (for example, the second radio frequency signal N3) can be switched to the third antenna ANT2 and the fourth antenna ANT3 via the second transceiver circuit 230, so as to switch between the third antenna ANT2 and the fourth antenna ANT3 for transmission.

In the electronic device in this embodiment, in the SA mode, the radio frequency transceiver 210 can provide two transmission signals at the same time, and can realize two transmission and four reception 2T4R. It should be noted that the transmission processing of the first radio frequency signal by the first transceiver circuit 220 and the transmission processing of the second radio frequency signal by the second transceiver circuit 230 need to work simultaneously, that is, while the first transceiver circuit 220 transmits the first radio frequency signal , the second transceiver circuit 230 group transmits the second radio frequency signal.

The electronic device in the embodiment of the present application includes a metal frame 12 and a radio frequency system 20, wherein the radio frequency system 20 includes a radio frequency transceiver 210, a first transceiver circuit 220, a second transceiver circuit 230 and four antennas, among which four The antennas are respectively formed on the top frame 121, the bottom frame 123, and the two side frames of the metal frame in one-to-one correspondence. The first transceiver circuit 220 can switch between the two antennas connected to the first antenna group 240, and the second transceiver circuit 230 can Switch connections to the second antenna set 250 . The radio frequency transceiver 210 can time-division or simultaneously provide the first radio frequency signal and the second radio frequency signal with the same frequency range, which can make the target radio frequency signal (for example, an intermediate frequency signal or a high frequency signal with the same frequency band range) be transmitted between the four antennas. The up-switching greatly reduces the probability that the four antennas are held by the user at the same time, and improves the performance of the antennas when the electronic device is held in a horizontal screen state (for example, in a game scene held in a horizontal screen). In addition, in the electronic device provided by the embodiment of the present application, the first transceiver circuit 220 and the second transceiver circuit 230 are arranged independently of each other, which is convenient for flexible layout. At the antenna position, to reduce the insertion loss of the wiring between the first transceiver circuit 220 and the first antenna group 240 and the insertion loss of the wiring between the second transceiver circuit 230 and the second antenna group 250, thereby improving the performance of the electronic device. launch performance.

Please continue to refer to FIG. 3 , in one embodiment, the first antenna group includes a first antenna ANT0 and a second antenna ANT1 , and the second antenna group includes a third antenna ANT2 and a fourth antenna ANT3 . That is, the first transceiver circuit 220 can be switchably connected to the first antenna ANT0 and the second antenna ANT1 , that is, the first transmission signal can be switched and transmitted between the first antenna ANT0 and the second antenna ANT1 . The second transceiver circuit 230 is switchably connected to the third antenna ANT2 and the fourth antenna ANT3 , that is, the second transmission signal can be switched and transmitted between the third antenna ANT2 and the fourth antenna ANT3 .

In one embodiment, the first antenna group includes the second antenna ANT1 and the third antenna ANT2, and the second antenna group includes the first antenna ANT0 and the fourth antenna ANT3. That is, the first transceiver circuit 220 can be switchably connected to the first antenna ANT0 and the fourth antenna ANT3 , and the second transceiver circuit 230 can be switchably connected to the first antenna ANT0 and the fourth antenna ANT3 .

It should be noted that the division of the first antenna group 240 and the second antenna group 250 is not limited to the above examples, and other combinations are also possible. For example, the first antenna group 240 includes a first antenna ANT0 and a third antenna ANT2, and The second antenna group 250 includes the second antenna ANT1 and the fourth antenna ANT3, or, the first antenna group 240 includes the first antenna ANT0 and the fourth antenna ANT3, the second antenna group 250 includes the second antenna ANT1 and the third antenna ANT2, etc. In the embodiment of the present application, the first antenna group 240 and the second antenna group 250 may be divided according to actual needs.

Please continue to refer to FIG. 2 , based on any of the foregoing embodiments, the electronic device further includes a circuit board 13, wherein the first transceiver circuit 220 and the second transceiver circuit 230 are both arranged on the circuit board 13, wherein the first transceiver circuit 220 is close to The third antenna ANT2 is disposed; the second transceiver circuit 230 is disposed close to the first antenna ANT0 and the fourth antenna ANT3 .

In the embodiment of the present application, since the first transceiver circuit 220 and the second transceiver circuit 230 are independent of each other, the first transceiver circuit 220 can be arranged on the first side frame 125, for example, it can be close to the third frame and close to the position of the bottom frame 123 Setting; setting the second transceiver circuit 230 close to the bottom frame 123 and the second side frame can reduce the insertion loss of the wiring between the antenna and the transceiver circuit, and can further improve the communication performance of the electronic device.

In addition, when the first antenna group 240 includes the second antenna ANT1 and the third antenna ANT2 , the second antenna group 250 includes the first antenna ANT0 and the fourth antenna ANT3 . That is, the first transceiver circuit 220 can be switchably connected to the second antenna ANT1 and the third antenna ANT2, and the second transceiver circuit 230 can be switchably connected to the first antenna ANT0 and the fourth antenna ANT3, further shortening the distance between the transceiver circuit and each antenna. The length of the traces between them reduces the insertion loss of the traces.

Please continue to refer to FIG. 2 , in one embodiment, the third antenna ANT2 is formed in the middle area of the first side frame 125 . Wherein, the fourth antenna ANT3 may also be formed in the middle area of the second side frame 127 . It should be noted that the middle area can be understood as a non-grip area (that is, an area not held by the user) on the side frame when the electronic device is held in landscape orientation. Exemplarily, the length of the middle area of the side frame can be 3/1-2/3 of the total length of the side frame, and the middle area is set away from the top frame 121 and the bottom frame 123 respectively.

In the embodiment of the present application, the third antenna ANT2 and/or the fourth antenna ANT3 are arranged in the middle area of the side frame, so that when the user holds the electronic device in a horizontal screen, the antenna formed on the side frame will not be blocked , thereby improving the antenna emission performance of the electronic device in a state of being held in a landscape orientation.

Based on the electronic equipment shown in Figure 2 and Figure 3 and the electronic equipment of related technologies (the radio frequency signal is only switched between the first antenna and the second antenna), taking the radio frequency signal as LTE B3 as an example, simulation is carried out, and the radio frequency can be obtained Antenna performance for switching between different antennas.

Table 1 shows the antenna performance of the radio frequency signal switching between the first antenna and the second antenna in the related art

LTE B3	ANT0	ANT1	the	ANT2	ANT3
Conductivity	twenty four	twenty four	the	not support	not support
free space efficiency	-3.5	-4	the	the	the
Decrease in horizontal screen holding	-10	-10	the	the	the
Horizontal screen holding transmit power	10.5	10	the	the	the

Table 2 is the antenna performance of the radio frequency signal switching between four antennas in the embodiment of the present application

LTE B3	ANT0	ANT1	ANT2	ANT3
Conductivity	twenty four	twenty four	twenty three	twenty two
free space efficiency	-3.5	-4	-6.5	-6
Decrease in horizontal screen holding	-10	-10	-8	-1
Horizontal screen holding transmit power	10.5	10	8.5	13

In Table 1 and Table 2, the drop rate when holding the horizontal screen is the difference between the free space efficiency of the antenna and the efficiency when the electronic device is held horizontally, and the transmit power when holding the horizontal screen is the total radiated power (Total Radiated Power , TRP), which can reflect the transmission power of the entire electronic device, which is related to the transmission power of the electronic device under conduction and the antenna radiation performance. By comparing Table 1 and Table 2, it can be known that the electronic device in the embodiment of the present application is compared with the electronic device in the related art, in the horizontal screen holding state, although the conductivity of the third antenna ANT2 will be reduced by 2dB Left and right, the antenna free space performance of the third antenna ANT2 is also slightly worse than that of the first antenna ANT0 and the second antenna ANT1, but its total radiated power TRP can be compared with the first antenna ANT0 and the second antenna ANT1 can be increased by 4.5dB- About 5dB. It can be seen that the electronic device provided by the embodiment of the present application can improve the emission performance of the electronic device even when it is held in a horizontal screen state.

As shown in Figures 4-6, in one embodiment, the first transceiver circuit includes a first transceiver module 221 and a first switch unit 223, wherein the first switch unit 223 is connected to the first transceiver module 221 and the first antenna group respectively. 240 connection, for switchably connecting the first transceiver module 221 to the two antennas in the first antenna group 240 . The second transceiver circuit 230 includes a second transceiver module 231 and a second switch unit 233, wherein the second switch unit 233 is respectively connected to the second transceiver module 231 and the second antenna group 250 for switching the second transceiver module 231 The ground is connected to the two antennas in the second antenna group 250.

Wherein, the first transceiver module 221 is connected with the radio frequency transceiver 210 and used for sending and receiving the first radio frequency signal; the second transceiver module 231 is connected with the radio frequency transceiver 210 and is used for sending and receiving the second radio frequency signal. The first transceiver module 221 and the second transceiver module 231 can be radio frequency PA Mid devices. The radio frequency PA Mid device can be understood as a power amplifier module (Power Amplifier Modules including Duplexers, PA Mid) with a built-in low noise amplifier, which can be used to support the amplification and filtering of radio frequency signals in multiple different frequency bands. It should be noted that, in the embodiment of the present application, the specific composition forms of the first transceiver module 221 and the second transceiver module 231 are not further limited. Exemplarily, the first transceiver module 221 can be an LTE transceiver module, which is used to support the transceiver processing of 4G LTE signals in multiple frequency bands, and the second transceiver module 231 can be an NR transceiver module, which is used to support multiple frequency bands. Transceiver processing of 5G NR signals.

It should be noted that the first transceiver module 221 and the second transceiver module 231 in this embodiment can also be transceiver modules for supporting frequency bands other than 4G LTE and 5G NR frequency bands, which is not specifically limited in this embodiment .

The first switch unit 223 and the second switch unit 233 may be single pole double throw switches. Wherein, the first transceiver module can switch the first switch unit 223 connected to the two antennas of the first antenna group 240, that is, transmit the first radio frequency signal to the two antennas of the first antenna group 240 through the first switch unit 223. The second transceiver module 231 can switch the two antennas connected to the second antenna group 250 through the second switch unit 233, that is, transmit the second radio frequency signal to the second antenna group through the second switch unit 233 250 two antennas for transmission.

Even if the electronic device is held by a horizontal screen (both the first antenna ANT0 and the second antenna ANT1 are blocked), by setting the first switch unit 223 and the second switch unit 233, the first transceiver module 221 and the second transceiver module 221 The module 231 can be connected to the third antenna ANT2 and the fourth antenna ANT3 arranged on the side frames through the first switch unit 223 and the second switch unit 233 correspondingly, and through the ) The third antenna ANT2 and the fourth antenna ANT3 perform radio frequency signal transmission or main set reception, so as to improve the transmission performance of the antennas. In addition, two single-pole double-throw switches are used to realize the radiation function of radio frequency signals among the four antennas, avoiding the use of 3P4T switches or 4P4T switches, which can reduce the loss of the transmission path and improve the transmission performance of electronic equipment.

As shown in Figure 7, in one of the embodiments, if the first transceiver module 221 is a radio frequency PA Mid device, the device itself can support the transceiving and processing of multiple intermediate frequency and multiple high frequency 4G LTE signals, its radio frequency The RF switch 2211 is integrated inside the PA Mid device to switch the transmission of 4G LTE signals between different frequency bands. In this way, the setting of the first switching degree unit can be omitted, so as to achieve multiplexing with the radio frequency switch 2211 . The first transceiver module 221 is configured with two antenna ports for connecting to the first antenna group, wherein the two first ends of the radio frequency switch 2211 are respectively connected to the two transceiver units 2212 in the first transceiver module 221 in a one-to-one correspondence, The two second ends of the radio frequency switch 2211 are respectively connected to the two antenna ports in a one-to-one correspondence. Among them, one transmitting and receiving circuit is used to support the transmitting and receiving processing of multiple intermediate frequency signals, and the other receiving circuit is used to support the transmitting and receiving processing of multiple high frequency signals.

In the embodiment of the present application, the second switch unit can be omitted, so that the radio frequency switch in the first transceiver module 221 is used as the second switch to realize the switching of the 4G LTE signal between the two antennas in the first antenna group, The integration degree of the radio frequency system can be improved, and the space occupied by the radio frequency system can be reduced at the same time.

As shown in FIGS. 8-10 , in one embodiment, the radio frequency system 20 further includes a first receiving module 260 and a second receiving module 270 . Wherein, the first receiving module 260 is connected with the first switch unit 223 for receiving the first radio frequency signal; the second receiving module 270 is connected with the second switch unit 233 for receiving the second radio frequency signal.

Wherein, the first receiving module 260 and the second receiving module 270 can be LFEM (Low noise amplifier front end module, radio frequency low noise amplifier module) devices, which can specifically include low noise amplifiers and multiple filters, etc., which can be used to support Receive processing of radio frequency signals (for example, 4G LTE signals and 5G NR signals including multiple different frequency bands). Exemplarily, the first receiving module 260 can be an LTE receiving module, which is used to support the receiving and processing of 4G LTE signals of multiple frequency bands, and the second receiving module 270 can be an NR receiving module, which is used to support multiple frequency bands. The reception and processing of 5G NR signals.

When the radio frequency system 20 includes the first receiving module 260 and the second receiving module 270, the first switch unit 223 and the second switch unit 233 both include two first terminals and two second terminals, wherein the first switch unit 223 The two first ends of the first switch unit 223 are respectively connected to the first transceiver module 221 and the first receiving module 260 in one-to-one correspondence, and the two second ends of the first switch unit 223 are respectively in one-to-one correspondence with the two antennas in the first antenna group 240 connection; the two first ends of the second switch unit 233 are respectively connected to the second transceiver module 231 and the second receiving module 270 in one-to-one correspondence, and the two second ends of the second switch unit 233 are connected to the second antenna group 250 respectively. The two antennas are connected in one-to-one correspondence. Wherein, the first switch unit 223 and the second switch unit 233 may both be double pole double throw switches.

In the embodiment of the present application, by setting the first receiving module 260 and the second receiving module 270, the electronic device can support the 4*4 MIMO function. By setting both the first switch unit 223 and the second switch unit 233 as double-pole double-throw switches, the structure of the radio frequency system 20 of the electronic device can be simplified, and at the same time, the 3P3T switch or DP4T switch in the related art can be replaced, and the wiring can be flexibly routed. The insertion loss caused by the switch itself is reduced. In addition, the switch logic is simple and the layout is flexible. By setting the first transceiver circuit 220 and the second transceiver circuit 230 close to the corresponding antenna, the distance between the transceiver circuit and the antenna can also be reduced. Trace insertion loss, thereby improving the sensitivity of electronic equipment.

As shown in FIG. 11 , in one embodiment, the radio frequency system further includes a fifth antenna ANT4 formed on the top frame. That is, both the first antenna ANT0 and the fifth antenna ANT4 are formed on the top frame 121 of the electronic device. Exemplarily, the fifth antenna ANT4 is disposed close to the second side frame 127 , and the first antenna ANT0 is disposed close to the first side frame 125 . Among them, the fifth antenna ANT4 can also support the radiation function of 4G/5G full-band signals. In this embodiment, the radio frequency system further includes a third transceiver module 280 and a third switch unit 290 . Wherein, the third transceiver module 280 is connected with the radio frequency transceiver 210, the first antenna ANT0, and the third antenna respectively, and the third transceiver module 280 can be used to receive the UHF signal provided by the radio frequency transceiver 210, and support the UHF Signal sending and receiving processing. UHF signals can include 5G NR signals in the N77 (N78) and N79 frequency bands. That is, the third transceiver module 280 can selectively output the UHF signal to the first antenna ANT0 and the third antenna ANT2 . Two first ends of the third switch unit 290 are respectively connected to the third transceiver module 280, and two second ends of the third switch unit 290 are respectively connected to the fourth antenna ANT3 and the fifth antenna ANT4. That is, the third switch unit 290 is used to switchably connect the third transceiver module 280 to the fourth antenna ANT3 and the fifth antenna ANT4 . The third switch unit 290 may be a double pole double throw switch. By controlling the conduction state of the third switch unit 290 , the UHF signal output by the third transceiver module 280 can be selectively transmitted to the fourth antenna ANT3 and the fifth antenna ANT4 .

In the embodiment of the present application, the UHF signal output by the third transceiver module 280 can be transmitted in turn by the four antennas of the first antenna ANT0, the third antenna ANT2, the fourth antenna ANT3 and the fifth antenna ANT4, so as to improve the UHF signal. Transmitting performance of high-frequency signals.

As shown in FIG. 12 and FIG. 13 , in one embodiment, the ultrahigh frequency signal includes a first ultrahigh frequency signal and a second ultrahigh frequency signal. In the embodiment of the present application, the first UHF signal is a signal in the N77 frequency band, and the second UHF signal is a signal in the N79 frequency band as an example for illustration. Wherein, the third transceiving module 280 includes: a first transceiving unit 281 , a second transceiving unit 283 and a receiving unit 285 . Wherein, the first transceiver unit 281 is respectively connected with a first end of the radio frequency transceiver 210, the first antenna ANT0, the third antenna ANT2, and the third switch unit 290, for receiving the first UHF signal and the second UHF signal. frequency signal, and supports the sending and receiving processing of the first UHF signal and the second UHF signal. Wherein, the first transceiver unit 281 can be an NR transceiver module, such as a PA Mid device, that is, the NR transceiver module can include devices such as a power amplifier, a low noise amplifier, a filter, a radio frequency switch, etc., to support the first super high The transmission processing of the high-frequency signal and the second ultra-high frequency signal, and the dual-channel reception processing of the first ultra-high frequency signal and the second ultra-high frequency signal are supported.

The second transceiver unit 283 is connected to the other first end of the radio frequency transceiver 210 and the third switch unit 290 respectively, and is used to support the transmission processing of the first ultra-high frequency signal, and the first ultra-high frequency signal and the first ultra-high frequency signal. Two-channel receiving and processing of UHF signals. Wherein, the second transceiver unit 283 can also be an NR transceiver module, such as a PA Mid device, that is, the NR transceiver module can include power amplifiers, low noise amplifiers, filters, radio frequency switches and other devices to support the first Transmitting and processing of ultra-high frequency signals, and supporting dual-channel receiving and processing of the first ultra-high frequency signal and the second ultra-high frequency signal.

The receiving unit 285 is connected with the other second end of the radio frequency transceiver 210, the fourth antenna ANT3, and the third switch unit 290 respectively, and a second end of the third switch unit 290 is connected with the fifth antenna ANT4, and the receiving unit 285 is used It is used to support the receiving and processing of the first UHF signal and the second UHF signal. Wherein, the receiving unit 285 can also be an NR receiving module, such as an LFEM device, that is, the NR receiving module can include low-noise amplifiers, filters, radio frequency switches and other devices to support the first UHF signal, the second Single-channel receiving and processing of two UHF signals.

In one of the embodiments, the radio frequency system may further include a frequency divider, which may be arranged between the third transceiver module 280 and each antenna, for realizing frequency division processing to separate the first UHF signal and the second UHF signal.

Based on the electronic device as shown in FIG. 12 , the working principle of the antenna device working in the NSA working mode and the SA working mode is described. When needing to work under the NSA operating mode, the radio frequency transceiver 210 can provide the first ultra-high frequency signal to the first transceiver unit 281 and the second transceiver unit 283 in time division, and control the radio frequency switch in the first transceiver unit 281. The conduction state can realize the switching of the first UHF signal between the first antenna ANT0 and the third antenna ANT2, and control the conduction state of the third switch unit 290, which can realize the first UHF signal in the fourth antenna The switching between ANT3 and the fifth antenna ANT4 can further realize the 1T4R SRS function of the first UHF signal among the four antennas of the first antenna ANT0 , the third antenna ANT2 , the fourth antenna ANT3 and the fifth antenna ANT4 . When needing to work under the NSA mode of operation, the radio frequency transceiver 210 provides the first ultra-high frequency signal to the first transceiver unit 281 and the second transceiver unit 283 at the same time, so that the first ultra-high frequency signal can be transmitted to the first antenna ANT. The 2T4R SRS function is implemented between the four antennas, the third antenna ANT2 , the fourth antenna ANT3 and the fifth antenna ANT4 .

In addition, since the frequency of the second UHF signal is relatively low in actual use, the electronic device in this embodiment can also support the transmission of the second UHF signal between the first antenna ANT0 and the third antenna ANT2. Launch in turn to support the SRS function of 1T42.

In this embodiment, by disposing the fifth antenna ANT4 on the bottom frame and adjacent to the first antenna ANT0, and by disposing the first transceiver unit 281 close to the first antenna ANT0 and the third antenna ANT2, the The second transceiver module is arranged close to the fourth antenna ANT3 and the fifth antenna ANT4, which can facilitate the layout and wiring, shorten the length of the wiring between the third transceiver module 280 and each antenna, and then reduce the insertion loss of the wiring, so as to provide an electronic device with a super Communication performance of high-frequency signals. At the same time, since the UHF signal can be switched and transmitted among the first antenna ANT0, the third antenna ANT2, the fourth antenna ANT3 and the fifth antenna ANT4, even when the electronic device is held in a horizontal screen, the third antenna ANT2 and the fourth antenna The antenna ANT3 will not be blocked, which can improve the communication performance of its electronic equipment when it is held by a horizontal screen.

As shown in Figure 14, further, the electronic device is a mobile phone 10 as an example for illustration, as shown in Figure 14, the mobile phone 10 may include a radio frequency system 20, a memory 21 (which optionally includes one or more computer-readable storage medium), processing circuit 22, peripheral device interface 23, input/output (I/O) subsystem 25. These components optionally communicate via one or more communication buses or signal lines 29 . Those skilled in the art can understand that the mobile phone 10 shown in FIG. 14 is not limited to the mobile phone, and may include more or less components than shown in the figure, or combine some components, or arrange different components. The various components shown in FIG. 14 are implemented in hardware, software, or a combination of both hardware and software, including one or more signal processing and/or application specific integrated circuits.

The radio frequency system 20 may be the radio frequency system 20 in any of the foregoing embodiments, wherein the radio frequency system 20 may also be used to process radio frequency signals of multiple different frequency bands. For example, satellite positioning radio frequency circuits for receiving 1375MHz satellite positioning signals, WiFi and Bluetooth transceiver radio frequency circuits for processing 2.4GHz and 5GHz frequency bands of IEEE802. 1900MHz, 2100MHz frequency band, and Sub-6G frequency band) cellular phone transceiver radio frequency circuit for wireless communication. Wherein, the Sub-6G frequency band may specifically include a 2.496GHz-6GHz frequency band and a 3.3GHz-6GHz frequency band.

Memory 21 optionally includes high-speed random access memory, and optionally also includes non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state memory devices. Exemplarily, the software components stored in the memory 21 include an operating system 211 , a communication module (or an instruction set) 212 , a global positioning system (GPS) module (or an instruction set) 213 and the like.

Processing circuitry 22 and other control circuitry, such as control circuitry in radio frequency system 20 , may be used to control the operation of handset 10 . The processing circuit 22 may include one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, and the like. The processing circuit 22 may be configured to implement a control algorithm that controls the use of antennas in the handset 10 . The processing circuit 22 may also issue control commands for controlling the switches in the radio frequency system 20 and the like.

I/O subsystem 25 couples input/output peripherals on handset 10 such as a keypad and other input control devices to peripherals interface 23 . I/O subsystem 25 optionally includes a touch screen, keys, tone generator, accelerometer (motion sensor), ambient light sensor and other sensors, light emitting diodes and other status indicators, data ports, and the like. Exemplarily, a user may control the operation of handset 10 by supplying commands via I/O subsystem 25 and may use the output resources of I/O subsystem 25 to receive status information and other output from handset 10 . For example, a user presses a button to turn the phone on or off.

The above examples only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims (19)

1. An electronic device comprising:

   The metal frame includes a top frame and a bottom frame arranged opposite to each other, and a first side frame and a second side frame connected between the top frame and the bottom frame, the first side frame and the second side frame The side borders are set opposite to each other;

   The radio frequency system includes a first antenna, a second antenna, a third antenna, a fourth antenna, a radio frequency transceiver, a first transceiver circuit, and a second transceiver circuit, wherein the first antenna is formed on the top frame, at least partly The second antenna is formed on the bottom frame, the third antenna is formed on the first side frame, and the fourth antenna is formed on the second side frame;

   The radio frequency transceiver is used to provide a first radio frequency signal and a second radio frequency signal, the network standards of the first radio frequency signal and the second radio frequency signal are different, and the first radio frequency signal and the second radio frequency signal The frequency range of the signal is the same;

   a first transceiver circuit, connected to the radio frequency transceiver, configured to transmit and receive the first radio frequency signal, and switchably transmit the first radio frequency signal to the first antenna group;

   A second transceiver circuit, connected to the radio frequency transceiver, for transceiving the second radio frequency signal, and switchably transmitting the second radio frequency signal to the second antenna group; wherein, the first antenna group and The second antenna groups respectively include two antennas different from each other.
2. The electronic device according to claim 1, the first antenna group includes a first antenna and a second antenna, and the second antenna group includes a third antenna and a fourth antenna.
3. The electronic device according to claim 1, the first antenna group includes a second antenna and a third antenna, and the second antenna group includes the first antenna and the fourth antenna.
4. The electronic device according to claim 1, further comprising a circuit board, wherein the first transceiver circuit and the second transceiver circuit are both arranged on the circuit board, wherein the first transceiver circuit is close to The third antenna is set; the second transceiver circuit is set close to the first antenna and the fourth antenna.
5. According to the electronic device according to claim 1, the third antenna is formed in a middle area of the first side frame.
6. According to the electronic device according to claim 1, the fourth antenna is formed in a middle area of the second side frame.
7. According to the electronic device according to claim 1, the third antenna is formed in a middle area of the first side frame, and the fourth antenna is formed in a middle area of the second side frame.
8. According to the electronic device according to any one of claims 1-7, the first transceiver circuit comprises:

   a first transceiver module, connected to the radio frequency transceiver, for sending and receiving the first radio frequency signal;

   The first switch unit is connected to the first transceiver module and the first antenna group respectively, and is used to switchably connect the first transceiver module to the two antennas in the first antenna group;

   The second transceiver circuit includes:

   A second transceiver module, connected to the radio frequency transceiver, for sending and receiving the second radio frequency signal;

   The second switch unit is connected to the second transceiver module and the second antenna group respectively, and is used to switchably connect the second transceiver module to the two antennas in the second antenna group.
9. The electronic device according to claim 8, wherein the first switch unit and the second switch unit are single-pole double-throw switches, respectively.
10. The electronic device according to claim 8, said radio frequency system further comprising:

    a first receiving module, connected to the first switch unit, for receiving the first radio frequency signal,

    The second receiving module is connected with the second switch unit and used for receiving the second radio frequency signal.
11. The electronic device according to claim 10, the first switch unit and the second switch unit both include two first terminals and two second terminals, wherein,

    The two first ends of the first switch unit are respectively connected to the first transceiver module and the first receiver module in one-to-one correspondence, and the two second ends of the first switch unit are respectively connected to the first antenna group The two antennas in are connected in one-to-one correspondence;

    The two first ends of the second switch unit are respectively connected to the second transceiver module and the second receiver module in one-to-one correspondence, and the two second ends of the second switch unit are respectively connected to the second antenna group The two antennas are connected in one-to-one correspondence.
12. The electronic device according to claim 11, the first switch unit and the second switch unit are double pole double throw switches respectively.
13. According to the electronic device according to claim 1, the radio frequency system further comprises a fifth antenna formed on the top frame; the radio frequency transceiver is also used to provide ultra-high frequency signals, wherein the radio frequency system further comprises:

    The third transceiver module is respectively connected to the radio frequency transceiver, the first antenna, and the third antenna, and the third transceiver module is used to receive the UHF signal and support the transceiving processing of the UHF signal ;

    The third switch unit, the two first ends of the third switch unit are respectively connected to the third transceiver module, and the two second ends of the third switch unit are respectively connected to the fourth antenna and the fifth antenna connect.
14. The electronic device according to claim 13, the ultra-high frequency signal comprises a first ultra-high frequency signal and a second ultra-high frequency signal, and the third transceiver module comprises:

    The first transceiver unit is respectively connected to a first end of the radio frequency transceiver, the first antenna, the third antenna, and the third switch unit, and is used to receive the first UHF signal and the first UHF signal. a second UHF signal, and support the sending and receiving processing of the first UHF signal and the second UHF signal;

    The second transceiver unit is respectively connected to the other first end of the radio frequency transceiver and the third switch unit, and is used to support the transmission processing of the first ultra-high frequency signal, and to the first ultra-high frequency signal. Dual-channel reception and processing of the high-frequency signal and the second UHF signal;

    The receiving unit is respectively connected to the radio frequency transceiver, the fourth antenna, and the other second end of the third switch unit, and a second end of the third switch unit is connected to the fifth antenna, The receiving unit is configured to support receiving and processing of the first UHF signal and the second UHF signal.
15. The electronic device according to claim 14, said radio frequency system further comprising:

    A frequency divider, arranged between the third transceiver module and each of the antennas, is used to implement frequency division processing to separate the first UHF signal and the second UHF signal.
16. The electronic device according to claim 14, wherein the first ultra-high frequency signal is a signal in the N77 frequency band, and the second ultra-high frequency signal is a signal in the N79 frequency band.
17. The electronic device according to claim 1, the network standard of the first radio frequency signal is a 4G network, and the network standard of the second radio frequency signal is a 5G network; wherein the first radio frequency signal includes intermediate frequencies in multiple frequency bands signal and a high frequency signal, the second radio frequency signal includes intermediate frequency signals and high frequency signals in multiple frequency bands.
18. The electronic device according to claim 17, the radio frequency transceiver is used to simultaneously provide the first radio frequency signal and the second radio frequency signal, wherein the electronic device is configured as an independent 5G NR that supports dual-path transmission Network working mode.
19. According to the electronic device according to claim 17, the radio frequency transceiver is used to provide the first radio frequency signal and the second radio frequency signal in time division, wherein the electronic device is configured to support the intermediate frequency signal of the first network standard and the second radio frequency signal The non-independent networking working mode of 5G NR with dual connection of intermediate frequency signals or high frequency signals of the two network standards.

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