CN112886980B - Radio frequency circuit and electronic device - Google Patents

Radio frequency circuit and electronic device Download PDF

Info

Publication number
CN112886980B
CN112886980B CN202110089511.5A CN202110089511A CN112886980B CN 112886980 B CN112886980 B CN 112886980B CN 202110089511 A CN202110089511 A CN 202110089511A CN 112886980 B CN112886980 B CN 112886980B
Authority
CN
China
Prior art keywords
antenna
switch
wifi
radio frequency
transceiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110089511.5A
Other languages
Chinese (zh)
Other versions
CN112886980A (en
Inventor
王翟
张厦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN202110089511.5A priority Critical patent/CN112886980B/en
Publication of CN112886980A publication Critical patent/CN112886980A/en
Application granted granted Critical
Publication of CN112886980B publication Critical patent/CN112886980B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems

Abstract

The application discloses radio frequency circuit and electronic equipment belongs to the technical field of communication. The radio frequency circuit comprises a WiFi transceiver, an NR radio frequency transceiver, a WiFi antenna group and a radio frequency antenna group, wherein the WiFi antenna group comprises a first antenna and a second antenna, and the radio frequency antenna group comprises a third antenna, a fourth antenna, a fifth antenna and a sixth antenna; a first transceiving channel of the WiFi transceiver is connected with at least one of the radio frequency antenna groups and the first antenna through a first selector switch, and a second transceiving channel of the WiFi transceiver is connected with the second antenna; and a first transceiving channel of the NR radio frequency transceiver is respectively connected with the third antenna, the fourth antenna, the fifth antenna and the sixth antenna through a second selector switch. In the embodiment of the application, the WiFi transceiver is connected with at least one antenna in the radio frequency antenna group, so that the WiFi transceiver can transmit and receive WiFi signals through the antenna of the radio frequency antenna group under the condition that the antenna communication quality of the WiFi antenna group is poor, and the WiFi communication quality is improved.

Description

Radio frequency circuit and electronic device
Technical Field
The application belongs to the technical field of communication, and particularly relates to a radio frequency circuit and electronic equipment.
Background
With the development of WiFi technology, WiFi can already support multiple-input multiple-output (MIMO) technology, however, at present, WiFi signals can only be received and transmitted through a dedicated antenna, and cannot be received and transmitted by another antenna when the performance of the antenna is poor (for example, an obstacle such as a hand blocks the antenna), which easily causes the transmission rate of the WiFi signals to decrease, and causes jamming or even the WiFi signals to be dropped.
Disclosure of Invention
The embodiment of the application aims to provide a radio frequency circuit and electronic equipment, and the radio frequency circuit and the electronic equipment can solve the problems that in the prior art, WiFi signals can only be received and transmitted through a special antenna, and the antenna with the best current performance cannot be selected for receiving and transmitting, so that the transmission rate of the WiFi signals is reduced, and jamming or even disconnection of the WiFi signals is caused.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a radio frequency circuit, where the radio frequency circuit includes a WiFi transceiver, an NR radio frequency transceiver, a WiFi antenna group, and a radio frequency antenna group, where the WiFi antenna group includes a first antenna and a second antenna, and the radio frequency antenna group includes a third antenna, a fourth antenna, a fifth antenna, and a sixth antenna;
a first transceiving channel of the WiFi transceiver is connected with at least one of the radio frequency antenna groups and the first antenna through a first selector switch, and a second transceiving channel of the WiFi transceiver is connected with the second antenna;
a first transceiving channel of the NR radio frequency transceiver is connected to the third antenna, the fourth antenna, the fifth antenna, and the sixth antenna through a second switch, respectively.
Optionally, when the first transceiving channel of the WiFi transceiver is connected to the third antenna through the first switch, the connection mode between the second transceiving channel of the WiFi transceiver and the second antenna is any one of the following: and a second transceiving channel of the WiFi transceiver is connected with the second antenna through the first change-over switch, and the second transceiving channel of the WiFi transceiver is not connected with the second antenna through the first change-over switch.
Optionally, under the condition that the second transceiving channel of the WiFi transceiver is connected to the second antenna through the first switch, the first transceiving channel of the WiFi transceiver is further connected to the second antenna through the first switch, and the second transceiving channel of the WiFi transceiver is further connected to the first antenna and the third antenna through the first switch, respectively.
Optionally, the antenna system further comprises a first extractor, the first switch is connected to the third antenna through the first extractor, and the second switch is connected to the third antenna through the first extractor.
Optionally, the first transceiving channel of the WiFi transceiver is connected to the fourth antenna, the fifth antenna, and the sixth antenna through the first switch.
Optionally, the second receiving channel of the NR radio frequency transceiver is connected to the fourth antenna, the third receiving channel of the NR radio frequency transceiver is connected to the fifth antenna, and the fourth transceiving channel of the NR radio frequency transceiver is connected to the sixth antenna.
Optionally, the NR radio frequency transceiver further includes a third switch, a fourth switch, and a fifth switch, where the second switch and the second receiving channel of the NR radio frequency transceiver are connected to the fourth antenna through the third switch, the second switch and the third receiving channel of the NR radio frequency transceiver are connected to the fifth antenna through the fourth switch, and the second switch and the fourth receiving channel of the NR radio frequency transceiver are connected to the sixth antenna through the fifth switch.
Optionally, the antenna system further comprises a second extractor, a third extractor and a fourth extractor, the first switch and the third switch are connected to the fourth antenna through the second extractor, the first switch and the fourth switch are connected to the fifth antenna through the third extractor, and the first switch and the fifth switch are connected to the sixth antenna through the fourth extractor.
Optionally, the WiFi transceiver further includes a sixth switch, a fifth decimator and a combiner, where a third transceiving channel of the WiFi transceiver is connected to the sixth switch, the sixth switch is further connected to the first antenna and the combiner, the first switch and the second switch are both connected to the fifth decimator, the fifth decimator is further connected to the combiner, and the combiner is connected to the third antenna.
Optionally, the fourth transceiving channel of the WiFi transceiver is further connected to the second antenna.
Optionally, the third transceiving channel and the fourth transceiving channel of the WiFi transceiver are used for transceiving WiFi5G frequency band signals.
Optionally, the first transceiving channel and the second transceiving channel of the WiFi transceiver are used for transceiving WiFi2.4g frequency band signals, and the operating frequency band of the NR radio frequency transceiver is an N41 frequency band.
In a second aspect, an embodiment of the present application provides an electronic device, which includes the radio frequency circuit according to the first aspect.
In the embodiment of the application, the WiFi transceiver is connected with at least one antenna in the radio frequency antenna group, so that the WiFi transceiver can transmit and receive WiFi signals through the antenna of the radio frequency antenna group under the condition that the antenna communication quality of the WiFi antenna group is poor, and the WiFi communication quality is improved.
Drawings
Fig. 1 is a schematic structural diagram of a radio frequency circuit according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of an antenna distribution provided in an embodiment of the present application;
fig. 3 is a second schematic structural diagram of an rf circuit according to an embodiment of the present disclosure;
fig. 4 is a third schematic structural diagram of an rf circuit of the rf circuit according to an embodiment of the present disclosure;
fig. 5 is a fourth schematic structural diagram of an rf circuit of the rf circuit according to an embodiment of the present disclosure;
fig. 6 is a schematic flowchart of antenna switching of a WiFi transceiver according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The radio frequency circuit and the electronic device provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
An embodiment of an aspect of the present application provides a radio frequency circuit, where the radio frequency circuit includes: a WiFi transceiver, an NR radio frequency transceiver, a WiFi antenna group and a radio frequency antenna group; the wireless communication device comprises a wireless communication device, a wireless communication device and a wireless communication system, wherein the wireless communication device comprises a wireless communication device and a wireless communication device, the wireless communication device comprises a wireless communication device, and the wireless communication device comprises a wireless communication device and a wireless communication device; a first transceiving channel of the WiFi transceiver is connected with at least one of the radio frequency antenna groups and the first antenna through a first selector switch, and a second transceiving channel of the WiFi transceiver is connected with the second antenna; a first transceiving channel of the NR radio frequency transceiver is connected to the third antenna, the fourth antenna, the fifth antenna, and the sixth antenna through a second switch, respectively. The WiFi transceiver may be configured to transmit and receive a WiFi frequency band signal through the WiFi antenna group, and the NR radio frequency transceiver may be configured to transmit and receive a 5G NR frequency band signal through the radio frequency antenna group.
In the embodiment of the application, the first transceiving channel of the WiFi transceiver is communicated with at least one of the radio frequency antenna groups through the first switch, that is, the WiFi transceiver is connected with at least one antenna in the radio frequency antenna group through the first switch, so that the WiFi transceiver can be connected with the antenna of the radio frequency antenna group through the first switch under the condition that the antenna communication quality of the WiFi antenna group is poor, the WiFi signal is transceived, the WiFi communication quality is improved, and the occurrence of the jamming or even the WiFi network disconnection condition is avoided.
Please refer to fig. 1, which is a schematic structural diagram of a radio frequency circuit according to an embodiment of the present disclosure. As shown in fig. 1, in some embodiments of the present application, the connection between the first transceiving channel of the WiFi transceiver and at least one of the rf antenna groups through the first switch is specifically: the first transceiving channel of the WiFi transceiver is connected with the third antenna through the first switch, namely, the first transceiving channel of the WiFi transceiver is connected with the first antenna through the first switch and also connected with the third antenna through the first switch, and as the third antenna belongs to the radio-frequency antenna group instead of the WiFi antenna group, when the performance of the antenna of the WiFi antenna group is reduced due to factors such as blockage of the antenna of the radio-frequency antenna group, the WiFi signal can be transceived through the third antenna of the radio-frequency antenna group. In addition, the second transceiving channel of the WiFi transceiver is connected with the second antenna, so that the WiFi transceiver can preferentially select the antenna with the best current performance from the first antenna, the second antenna and the third antenna to be used for transceiving WiFi signals, the WiFi communication quality is improved, and the occurrence of the jamming or even the WiFi network disconnection condition is avoided.
Please refer to fig. 2, which is a schematic diagram of an antenna distribution according to an embodiment of the present application. As shown in fig. 2, in the embodiment of the present application, the radio frequency circuit is applied to an electronic device, and optionally, the first antenna, the second antenna, the third antenna, the fourth antenna, the fifth antenna, and the sixth antenna are arranged along long sides of two sides of the electronic device; when a user transversely holds the electronic equipment, the first antenna and the second antenna of the WiFi antenna group are easily held by hands, so that adverse effects are caused on receiving and transmitting WiFi signals, the communication rate of the WiFi signals is reduced, and jamming and even disconnection of a WiFi network are caused. After the scheme in the embodiment of the application is adopted, under the condition that the performances of the first antenna and the second antenna of the WiFi antenna group are affected, the WiFi transceiver can also receive and transmit WiFi signals through the third antenna, and the third antenna is located in the middle area of the long edge of the electronic equipment, so that the third antenna can hardly be held and covered by a hand, the quality of the WiFi signals can be ensured, and the WiFi connection experience is improved.
In some embodiments of the present application, under the condition that the first transceiving channel of the WiFi transceiver is connected to the third antenna through the first switch, the connection mode between the second transceiving channel of the WiFi transceiver and the second antenna is any one of the following: and a second transceiving channel of the WiFi transceiver is connected with the second antenna through the first change-over switch, and the second transceiving channel of the WiFi transceiver is not connected with the second antenna through the first change-over switch.
As shown in fig. 1, a specific circuit structure of the second transceiving channel of the WiFi transceiver not connected to the second antenna through the first switch is first described below. In this embodiment of the application, the second transceiving channel of the WiFi transceiver is not connected to the first switch, but is connected to the second antenna through the duplexer, and certainly, if the WiFi transceiver has no other transceiving channels to be connected to the second antenna, the second transceiving channel of the WiFi transceiver may also be directly connected to the second antenna, and an additional transceiving channel may be reserved in the duplexer.
As shown in fig. 1, in some embodiments of the present application, the WiFi transceiver further includes a third transceiving channel and a fourth transceiving channel, wherein the third transceiving channel of the WiFi transceiver is connected to the first antenna, the fourth transceiving channel of the WiFi transceiver is connected to the second antenna, and the second transceiving channel and the fourth transceiving channel of the WiFi transceiver are connected to the second antenna through the duplexer because the second transceiving channel of the WiFi transceiver is also connected to the second antenna. Optionally, the first transceiving channel and the second transceiving channel of the WiFi transceiver are used for transceiving WiFi2.4G frequency band signals, and the third transceiving channel and the fourth transceiving channel of the WiFi transceiver are used for transceiving WiFi5G frequency band signals, so that 2 × 2MIMO of WiFi2.4G and WiFi5G can be implemented through the first antenna and the second antenna. In this case, the first switch may be a single-pole double-throw switch, so that the first transceiving path of the WiFi transceiver realizes the switched connection between the first antenna and the second antenna through the selective action of the first switch.
In other embodiments of the present application, as shown in fig. 1, the rf circuit further includes a GPS chip, and a transceiver of the GPS chip is connected to the first antenna to transmit and receive GPS signals through the first antenna. And because the transceiving path of the GPS chip, the first transceiving path and the third transceiving path of the WiFi transceiver all need to be connected with the first antenna, the transceiving path of the GPS chip, the first transceiving path and the third transceiving path of the WiFi transceiver can be connected with the first antenna through the triplexer.
Please refer to fig. 3, which is a second schematic structural diagram of a radio frequency circuit according to an embodiment of the present disclosure. As shown in fig. 2, a specific circuit structure of the second transceiving channel of the WiFi transceiver connected to the second antenna through the first switch is described below. In this embodiment, the second transceiving channel of the WiFi transceiver is connected to the first switch, and the first switch is further connected to the second antenna, in this case, the first transceiving channel of the WiFi transceiver is further connected to the second antenna through the first switch, and the second transceiving channel of the WiFi transceiver is further connected to the first antenna and the third antenna through the first switch, respectively. That is, the first transceiving channel and the second transceiving channel of the WiFi transceiver are connected to the first switch, and the first switch is further connected to the first antenna, the second antenna and the third antenna, respectively. When the first change-over switch is connected with the first antenna, the transceiving channel of the GPS chip, the first transceiving channel of the WiFi transceiver and the first change-over switch can be connected with the first antenna through the triplexer because the transceiving channel of the GPS chip, the third transceiving channel of the WiFi transceiver and the first change-over switch are connected with the first antenna; when the first switch is connected with the second antenna, the first switch and the fourth transceiving channels of the WiFi transceiver are connected with the second antenna, so that the first switch and the fourth transceiving channels of the WiFi transceiver can be connected with the second antenna through the duplexer.
As shown in fig. 1 or fig. 3, the rf circuit further includes a first decimator, the first switch is connected to the third antenna through the first decimator, and the second switch is connected to the third antenna through the first decimator. That is to say, the first transceiving channel of the NR radio frequency transceiver is connected to the second switch, the second switch is connected to the third antenna through the first decimator, and the second switch is further connected to the fourth antenna, the fifth antenna, and the sixth antenna, respectively. Through setting up first decimator, can be so that wiFi transceiver and NR radio frequency transceiver do not influence each other when receiving and dispatching the signal through the third antenna to avoid influencing the continuity of the signal of NR radio frequency transceiver. Alternatively, the first decimator may include a trap and a filter. Alternatively, the second switch may be a single-pole, four-throw switch.
As shown in fig. 1 or fig. 3, in the embodiment of the present application, the NR radio frequency transceiver further includes a second receiving channel, a third receiving channel, and a fourth receiving channel, the second receiving channel of the NR radio frequency transceiver is connected to a fourth antenna, the third receiving channel of the NR radio frequency transceiver is connected to a fifth antenna, the fourth receiving channel of the NR radio frequency transceiver is connected to a sixth antenna, and the NR radio frequency transceiver can realize round transmission and reception of channel Sounding Reference Signals (SRS) through the third antenna, the fourth antenna, the fifth antenna, and the sixth antenna, and select an antenna with the best communication quality for transmission. During specific connection, because the second switch needs to be connected to the fourth antenna, the fifth antenna, and the sixth antenna, the radio frequency circuit may further include a third switch, a fourth switch, and a fifth switch, where the second switch and the second receiving channel of the NR radio frequency transceiver are connected to the fourth antenna through the third switch, the second switch and the third receiving channel of the NR radio frequency transceiver are connected to the fifth antenna through the fourth switch, and the fourth receiving channels of the second switch and the NR radio frequency transceiver are connected to the sixth antenna through the fifth switch.
In some embodiments of the present application, the third, fourth, and fifth switches are single-pole, double-throw switches.
In some embodiments of the present application, an operating frequency band of the NR radio frequency transceiver is an N41 frequency band, a first transceiving channel of the NR radio frequency transceiver is used to implement transceiving of signals in an N41 frequency band, a second receiving channel of the NR radio frequency transceiver is used to implement diversity receiving of signals in an N41 frequency band, a third receiving channel of the NR radio frequency transceiver is used to implement MIMO of a main set of signals in an N41 frequency band, and a fourth receiving channel of the NR radio frequency transceiver is used to implement MIMO of diversity of signals in an N41 frequency band.
Please refer to fig. 4, which is a third schematic structural diagram of a radio frequency circuit of the radio frequency circuit according to the embodiment of the present application. As shown in fig. 4, in other embodiments of the present application, the connection between the first transceiving channel of the WiFi transceiver and at least one of the rf antenna groups through the first switch is specifically: the first transceiving channel of the WiFi transceiver is connected to the fourth antenna, the fifth antenna and the sixth antenna through the first switch, that is, the first transceiving channel of the WiFi transceiver is connected to the first antenna through the first switch and is also connected to the fourth antenna, the fifth antenna and the sixth antenna through the first switch, and since the fourth antenna, the fifth antenna and the sixth antenna belong to the radio frequency antenna group rather than the WiFi antenna group, when performance of the WiFi antenna group is reduced due to factors such as blockage of the antenna, a WiFi signal can be transceived through any one of the fourth antenna, the fifth antenna and the sixth antenna of the radio frequency antenna group. In addition, the second transceiving channel of the WiFi transceiver is also connected with the second antenna, so that the WiFi transceiver can preferentially select the antenna with the best current performance from the first antenna, the second antenna, the fourth antenna, the fifth antenna and the sixth antenna to transmit and receive WiFi signals, thereby improving the WiFi communication quality and avoiding the occurrence of the situation of jamming or even disconnection of the WiFi network. Compared with the mode that the first transceiving channel of the WiFi transceiver in the above embodiment is connected with the third antenna only through the first switch, the WiFi transceiver in this embodiment can switch to utilize more antennas of the radio frequency antenna group, thereby further improving the use experience of WiFi.
In the embodiment of the present application, similarly, the second receiving channel of the NR radio frequency transceiver is connected to the fourth antenna, the third receiving channel of the NR radio frequency transceiver is connected to the fifth antenna, and the fourth transceiving channel of the NR radio frequency transceiver is connected to the sixth antenna; the radio frequency circuit further comprises a third change-over switch, a fourth change-over switch and a fifth change-over switch, wherein the second change-over switch and a second receiving channel of the NR radio frequency transceiver are connected with a fourth antenna through the third change-over switch, the second change-over switch and a third receiving channel of the NR radio frequency transceiver are connected with a fifth antenna through the fourth change-over switch, and the second change-over switch and a fourth receiving channel of the NR radio frequency transceiver are connected with a sixth antenna through the fifth change-over switch.
In some embodiments of the present application, the radio frequency circuit further includes a second extractor, a third extractor, and a fourth extractor, the first switch and the third switch are both connected to the fourth antenna through the second extractor, the first switch and the fourth switch are both connected to the fifth antenna through the third extractor, and the first switch and the fifth switch are both connected to the sixth antenna through the fourth extractor. Through setting up second decimator, third decimator and fourth decimator for mutual noninterference when wiFi transceiver and NR radio frequency transceiver receive and dispatch the signal through fourth antenna, fifth antenna, sixth antenna, in order to avoid influencing the continuity of the signal of NR radio frequency transceiver.
Please refer to fig. 5, which is a fourth schematic structural diagram of an rf circuit of the rf circuit according to an embodiment of the present application. As shown in fig. 5, in still other embodiments of the present application, in a case that the first transceiving channel of the WiFi transceiver is connected to the third antenna through the first switch, the radio frequency circuit further includes a sixth switch, a fifth extractor and a combiner, the third transceiving channel of the WiFi transceiver is connected to the sixth switch, the sixth switch is further connected to the first antenna and the combiner, specifically, the sixth switch is connected to the first antenna through the triplexer, the first switch and the second switch are both connected to the fifth extractor, the fifth extractor is further connected to the combiner, and the combiner is further connected to the third antenna. In some embodiments, the fourth transceiving channel of the WiFi transceiver is also connected to the second antenna, and the fourth transceiving channel of the specific WiFi transceiver is connected to the second antenna through the duplexer.
Therefore, the first transceiving channel and the third transceiving channel of the WiFi transceiver can be connected with the third antenna of the radio-frequency antenna group besides being connected with the first antenna of the WiFi antenna group, the first transceiving channel of the WiFi transceiver can be used for transceiving signals of a WiFi2.4G frequency band, and the third transceiving channel of the WiFi transceiver can be used for transceiving signals of a WiFi5G frequency band, so that the WiFi5G can be used for selecting an antenna with the optimal performance from the first antenna, the second antenna and the third antenna for transmitting besides the WiFi2.4G, and the antenna with the optimal performance from the first antenna, the second antenna and the third antenna for transmitting, and the quality of the WiFi signals is further improved.
Please refer to fig. 6, which is a flowchart illustrating antenna switching of a WiFi transceiver according to an embodiment of the present application. As shown in fig. 6, in the embodiment of the present application, after the electronic device establishes a communication connection with the router, communication is performed by using a WiFi Signal by default, then, the electronic device performs antenna switching check according to a set logic, and specifically, the electronic device may perform judgment according to Signal Received Strength (RSSI) and the like to select an antenna with the best current performance, and in addition, when judging the performance of the antenna, consideration may be further given to channel insertion loss degrees between the WiFi transceiver and each antenna to comprehensively select an optimal transmission path; and after the electronic equipment selects the optimal antenna according to the judgment result, switching the antennas to enable the WiFi transceiver to receive and transmit the WiFi signals through the optimal antenna, thereby improving the quality of the WiFi signals.
In the embodiment of the application, the WiFi transceiver is connected with at least one antenna in the radio frequency antenna group, so that the WiFi transceiver can transmit and receive WiFi signals through the antenna of the radio frequency antenna group under the condition that the antenna communication quality of the WiFi antenna group is poor, and the WiFi communication quality is improved.
On the other hand, an embodiment of the present application further provides an electronic device, where the electronic device includes the radio frequency circuit described in any of the above embodiments. The electronic device in the embodiment of the present application also has the above technical effects, and is not described herein again to avoid repetition.
The electronic device in the embodiment of the present application may be a mobile electronic device, and may also be a non-mobile electronic device. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a Personal Computer (PC), a Television (TV), a teller machine, a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A radio frequency circuit is characterized by comprising a WiFi transceiver, an NR radio frequency transceiver, a WiFi antenna group and a radio frequency antenna group, wherein the WiFi antenna group comprises a first antenna and a second antenna, and the radio frequency antenna group comprises a third antenna, a fourth antenna, a fifth antenna and a sixth antenna;
a first transceiving channel of the WiFi transceiver is connected with at least one of the radio frequency antenna groups and the first antenna through a first selector switch, and a second transceiving channel of the WiFi transceiver is connected with the second antenna;
a first transceiving channel of the NR radio frequency transceiver is connected to the third antenna, the fourth antenna, the fifth antenna, and the sixth antenna through a second switch, respectively;
the radio frequency circuit further comprises a third change-over switch, a fourth change-over switch and a fifth change-over switch, wherein the second change-over switch and a second receiving channel of the NR radio frequency transceiver are connected with the fourth antenna through the third change-over switch, the second change-over switch and a third receiving channel of the NR radio frequency transceiver are connected with the fifth antenna through the fourth change-over switch, and the second change-over switch and a fourth receiving channel of the NR radio frequency transceiver are connected with the sixth antenna through the fifth change-over switch.
2. The RF circuit according to claim 1, wherein when the first transceiving channel of the WiFi transceiver is connected to the third antenna through the first switch, the second transceiving channel of the WiFi transceiver is connected to the second antenna in a manner selected from any one of: and a second transceiving channel of the WiFi transceiver is connected with the second antenna through the first change-over switch, and the second transceiving channel of the WiFi transceiver is not connected with the second antenna through the first change-over switch.
3. The rf circuit of claim 2, wherein when the second transceiving channel of the WiFi transceiver is connected to the second antenna through the first switch, the first transceiving channel of the WiFi transceiver is further connected to the second antenna through the first switch, and the second transceiving channel of the WiFi transceiver is further connected to the first antenna and the third antenna through the first switch, respectively.
4. The RF circuit of claim 1, wherein the first transceiving channel of the WiFi transceiver is connected to the fourth antenna, the fifth antenna and the sixth antenna through the first switch.
5. The rf circuit according to claim 1, further comprising a second decimator, a third decimator, and a fourth decimator, wherein the first switch and the third switch are both connected to the fourth antenna through the second decimator, wherein the first switch and the fourth switch are both connected to the fifth antenna through the third decimator, and wherein the first switch and the fifth switch are both connected to the sixth antenna through the fourth decimator.
6. The rf circuit of claim 2, further comprising a sixth switch, a fifth decimator, and a combiner, wherein the third transceiving channel of the WiFi transceiver is connected to the sixth switch, the sixth switch is further connected to the first antenna and the combiner, respectively, the first switch and the second switch are both connected to the fifth decimator, the fifth decimator is further connected to the combiner, and the combiner is connected to the third antenna.
7. The RF circuit of claim 6, wherein the fourth transceiving channel of the WiFi transceiver is further connected to the second antenna, and the third transceiving channel and the fourth transceiving channel of the WiFi transceiver are configured to transceive WiFi5G band signals.
8. The RF circuit of claim 1, wherein the first transceiving channel and the second transceiving channel of the WiFi transceiver are configured to transceive WiFi2.4G band signals, and the operating frequency band of the NR RF transceiver is N41.
9. An electronic device comprising a radio frequency circuit as claimed in any one of claims 1 to 8.
CN202110089511.5A 2021-01-22 2021-01-22 Radio frequency circuit and electronic device Active CN112886980B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110089511.5A CN112886980B (en) 2021-01-22 2021-01-22 Radio frequency circuit and electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110089511.5A CN112886980B (en) 2021-01-22 2021-01-22 Radio frequency circuit and electronic device

Publications (2)

Publication Number Publication Date
CN112886980A CN112886980A (en) 2021-06-01
CN112886980B true CN112886980B (en) 2022-06-10

Family

ID=76050422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110089511.5A Active CN112886980B (en) 2021-01-22 2021-01-22 Radio frequency circuit and electronic device

Country Status (1)

Country Link
CN (1) CN112886980B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114124139A (en) * 2021-11-30 2022-03-01 Oppo广东移动通信有限公司 Radio frequency system and communication equipment
CN114124140B (en) * 2021-11-30 2023-05-05 Oppo广东移动通信有限公司 Radio frequency system and communication device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088643A (en) * 2018-07-23 2018-12-25 Oppo广东移动通信有限公司 Radio frequency system, antenna switching control method and Related product

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130005852A (en) * 2011-07-07 2013-01-16 삼성전기주식회사 Multiple-input multiple-output wireless communication apparatus and method therof
CN105207709B (en) * 2015-08-27 2018-11-02 宇龙计算机通信科技(深圳)有限公司 Control circuit, control method and the control device and terminal of diversity reception shared antenna
US20170187431A1 (en) * 2015-12-29 2017-06-29 Le Holdings (Beijing) Co., Ltd. Antenna multiplexing device and mobile terminal
CN105871430A (en) * 2015-12-29 2016-08-17 乐视移动智能信息技术(北京)有限公司 Antenna multiplexing device and mobile terminal
WO2018027984A1 (en) * 2016-08-12 2018-02-15 华为技术有限公司 Terminal device and switching method
CN110971246A (en) * 2019-11-30 2020-04-07 惠州Tcl移动通信有限公司 Radio frequency circuit, control method thereof and mobile terminal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088643A (en) * 2018-07-23 2018-12-25 Oppo广东移动通信有限公司 Radio frequency system, antenna switching control method and Related product
CN109412657A (en) * 2018-07-23 2019-03-01 Oppo广东移动通信有限公司 Radio frequency system, antenna switching control method and Related product

Also Published As

Publication number Publication date
CN112886980A (en) 2021-06-01

Similar Documents

Publication Publication Date Title
CN107005264B (en) The antenna switching control method of wireless terminal and wireless terminal
CN110336577B (en) Radio frequency circuit and terminal equipment
US8892057B2 (en) Carrier aggregation radio system
CN112688715B (en) Antenna circuit and electronic device
US8543059B2 (en) Combo wireless system and method using the same
US8417295B2 (en) Antenna system
CN213279652U (en) Radio frequency circuit and electronic equipment
CN112886980B (en) Radio frequency circuit and electronic device
CN112383320B (en) Radio frequency circuit, electronic device and method for transmitting and receiving radio frequency signal
US20060286945A1 (en) Inter-frequency handover for multiple antenna wireless transmit/receive units
CN211606531U (en) Signal processing circuit and electronic equipment
CN110225194B (en) Signal processing circuit, mobile terminal and signal processing method
CN212909519U (en) Radio frequency front-end circuit and electronic equipment
JP2007324711A (en) Wireless communication method and wireless communication apparatus
CN213072651U (en) Radio frequency device and electronic equipment
KR20160141560A (en) Wireless communication apparatus and method of operating the same
CN104601208A (en) Adaptive dual band mimo wi-fi apparatus, and operating method thereof
KR20130005852A (en) Multiple-input multiple-output wireless communication apparatus and method therof
CN110299930B (en) Antenna switching method and related equipment
CN112886973B (en) Radio frequency circuit and electronic equipment
CN219394838U (en) Device supporting SRS (sounding reference Signal) round trip, radio frequency receiving and transmitting system and electronic equipment
CN111817745A (en) Radio frequency device and mobile terminal
US9900037B2 (en) GPS selector from a diversity/MIMO antenna cable
CN112398491B (en) Electronic device
CN215581153U (en) Radio frequency circuit and electronic device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant