CN111726128B - Radio frequency structure and electronic equipment - Google Patents
Radio frequency structure and electronic equipment Download PDFInfo
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- CN111726128B CN111726128B CN202010574734.6A CN202010574734A CN111726128B CN 111726128 B CN111726128 B CN 111726128B CN 202010574734 A CN202010574734 A CN 202010574734A CN 111726128 B CN111726128 B CN 111726128B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, 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
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, 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
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
Abstract
The application discloses radio frequency structure and electronic equipment, the radio frequency structure includes: the system comprises a first transceiver, a second transceiver, a radio frequency transmitting module, a plurality of radio frequency receiving modules, a switch module and an antenna group; the first transceiver comprises a transmitting port and a plurality of first receiving ports, the second transceiver comprises a plurality of transmitting and receiving ports, and the antenna group comprises a plurality of antennas; one end of the radio frequency transmitting module is connected with the transmitting port, and the other end of the radio frequency transmitting module is connected with the antenna group through the switch module; one ends of the radio frequency receiving modules are connected with the first receiving ports in a one-to-one correspondence mode, and the other ends of the radio frequency receiving modules are connected with the antenna group through the switch module; the plurality of receiving and transmitting ports are connected with the antenna group through the switch module. When the working antenna connected with the first transceiver or the second transceiver is in a poor state, the working antenna of the transceiver in the working state is switched to other antennas in an idle state by adjusting the working state of the switch module, so that the normal work of the network is ensured.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a radio frequency structure and electronic equipment.
Background
In an existing WAN (Wide Area Network) -WIFI (Wireless Fidelity) radio frequency architecture, in most application scenarios, WIFI and WAN do not work simultaneously, that is, when WIFI or WAN works alone, redundant antennas are in an idle state. In the process of implementing the present application, the inventor finds that at least the following problems exist in the prior art: when the state of the transmission antenna corresponding to the WIFI or the WAN is poor, the transmission antenna corresponding to the other network cannot be switched to, the utilization rate of the antenna is poor, and the network performance is affected.
Disclosure of Invention
An object of the embodiments of the present application is to provide a radio frequency structure and an electronic device, which can solve the problem of poor antenna utilization.
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 structure, including:
the system comprises a first transceiver, a second transceiver, a radio frequency transmitting module, a plurality of radio frequency receiving modules, a switch module and an antenna group;
the first transceiver comprises a transmit port and a plurality of first receive ports, the second transceiver comprises a plurality of transmit and receive ports, and the set of antennas comprises a plurality of antennas;
one end of the radio frequency transmitting module is connected with the transmitting port, and the other end of the radio frequency transmitting module is connected with the antenna group through the switch module; one end of each of the radio frequency receiving modules is connected with one of the first receiving ports in a one-to-one correspondence manner, and the other end of each of the radio frequency receiving modules is connected with the antenna group through the switch module; the plurality of transceiving ports are connected with the antenna group through the switch module;
the switch module can be switched among a plurality of states, and is in a first state when only the first transceiver works, the plurality of first receiving ports of the first transceiver are communicated with a first number of antennas in the antenna group, and is in a second state when only the second transceiver works, the plurality of receiving ports of the second transceiver are communicated with a second number of antennas in the antenna group, and at least some antennas in the first number of antennas and the second number of antennas are the same.
In a second aspect, an embodiment of the present application provides an electronic device, which includes the radio frequency structure described above.
In this embodiment of the application, when the working antenna connected to the first transceiver or the second transceiver is in a poor state, the working antenna of the transceiver currently in the working state can be switched to the working antenna corresponding to the other transceiver in the idle state by adjusting the working state of the switch module, so that the normal operation of the network is ensured, the utilization rate of the antenna can be effectively improved, and the network performance is improved.
Drawings
FIG. 1 is one of the schematic diagrams of the radio frequency architecture of an embodiment of the present application;
FIG. 2 is a second schematic diagram of an RF architecture according to an embodiment of the present application;
fig. 3 is a third schematic diagram of an rf structure according to an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, the radio frequency structure of the embodiment of the present application includes:
the antenna comprises a first transceiver 1, a second transceiver 2, a radio frequency transmitting module 21, a plurality of radio frequency receiving modules 22, a switch module 3 and an antenna group 4;
the first transceiver 1 comprises a transmitting port and a plurality of first receiving ports, the second transceiver 2 comprises a plurality of transceiving ports, and the antenna group 4 comprises a plurality of antennas;
one end of the radio frequency transmitting module 21 is connected to the transmitting port, and the other end of the radio frequency transmitting module 21 is connected to the antenna group 4 through the switch module 3; one end of each of the plurality of rf receiving modules 22 is connected to the plurality of first receiving ports in a one-to-one correspondence manner, and the other end of each of the plurality of rf receiving modules 22 is connected to the antenna group 4 through the switch module 3; the plurality of transceiving ports are connected with the antenna group 4 through the switch module 3;
the switch module may be switched in multiple states, where in a case where only the first transceiver 1 operates, the switch module 3 is in a first state, a plurality of first receiving ports of the first transceiver 1 communicate with a first number of antennas in the antenna group 4, and in a case where only the second transceiver 2 operates, the switch module 3 is in a second state, and a plurality of receiving ports of the second transceiver 2 communicate with a second number of antennas in the antenna group 4, where at least some antennas in the first number of antennas and the second number of antennas are the same.
In this embodiment, the first transceiver 1 may be a WAN transceiver, the second transceiver 2 may be a WIFI transceiver, the radio frequency transmitting module 21 is a transmitting module of the first transceiver 1, and the radio frequency receiving module 22 is a receiving module of the first transceiver 1. As shown in fig. 1, a transmitting port of the first transceiver 1 is connected to the rf transmitting module 21, and a first receiving port of the first transceiver 1 is connected to the rf receiving module 22; the transceiving port of the second transceiver 2 is directly connected with the switch module 3.
The first state is a state that the first transceiver is communicated with a first number of antennas of the antenna group, so that the first transceiver can normally work; the second state is a state in which the second transceiver is communicated with a second number of antennas of the antenna group, so that the second transceiver can normally operate. The first number and the second number are determined according to the transceiving requirements of the first transceiver and the second transceiver, for example: the first transceiver is a WAN transceiver, the second transceiver is a WIFI transceiver, when the WAN transceiver works alone, four antennas are needed, the first number is 4, when the WIFI transceiver works alone, two antennas are needed, and the second number is 2. When the WAN transceiver and the WIFI transceiver work simultaneously, the number of the antennas of the antenna group is distributed according to requirements, and the WAN transceiver and the WIFI transceiver work simultaneously without being influenced.
Optionally, the switch module 3 may include a plurality of switches, and the first transceiver 1 or the second transceiver 2 is connected to the antenna group 4 through the plurality of switches in the switch module 3. The antenna group 4 comprises a preset antenna for transmitting or receiving signals by the first transceiver 1, and further comprises a preset antenna for transmitting or receiving signals by the second transceiver 2. It should be noted that when the first transceiver 1 and the second transceiver 2 operate simultaneously, the antennas used by the transceivers are different, for example: the first transceiver 1 transceives signals through the first and second antennas, and the second transceiver 2 transceives signals through the third and fourth antennas.
In practical applications, when the first transceiver 1 and the second transceiver 2 respectively operate independently, the same antennas may be used for transmitting and receiving signals, that is, at least some antennas of the first number of antennas and the second number of antennas are the same, so as to implement multiplexing of antennas. For example: when the first transceiver 1 works alone, signals are transmitted and received through a first antenna, a second antenna, a third antenna and a fourth antenna, if the first antenna and the second antenna are in poor states, the switch module 3 can switch the switch states to connect the first transceiver 1 with the third antenna, the fourth antenna, the fifth antenna and the sixth antenna, so that the signals are transmitted and received through the third antenna, the fourth antenna, the fifth antenna and the sixth antenna; when the second transceiver 2 works alone, it receives and sends signals through the third antenna and the fourth antenna, if the states of the third antenna and the fourth antenna are poor, it is possible to switch the states of the switch module 3 to make the second transceiver 2 connect with the first antenna and the second antenna, so that the second transceiver 2 utilizes the first antenna and the second antenna to receive and send signals.
Use first transceiver 1 is the WAN transceiver, second transceiver 2 is the WIFI transceiver as an example, through the radio frequency structure of this application embodiment, at the WAN during operation, if the work antenna state of WAN transceiver is relatively poor, can pass through switch module 3 switches to the work antenna that the WIFI transceiver corresponds on, at the WIFI during operation, if the work antenna state of WIFI transceiver is relatively poor, can pass through switch module 3 switches to the work antenna that the WAN transceiver corresponds on, promotes radio frequency structure's antenna utilization.
According to the embodiment of the application, when the working antenna connected with the first transceiver or the second transceiver is poor in state, the working antenna of the transceiver in the current working state can be switched to the working antenna corresponding to the other transceiver in the idle state through the working state of the adjusting switch module, so that normal work of a network is guaranteed, the utilization rate of the antenna can be effectively improved, and the network performance is improved.
Optionally, as shown in fig. 2, the radio frequency structure further includes: a first modem 11 connected to the first transceiver 1; the plurality of rf receiving modules 22 includes: a first receiving module 221, a second receiving module 222, a third receiving module 223 and a fourth receiving module 224; the first receiving module 221 is connected to the rf transmitting module 21.
The rf transmitting module 21 is used for transmitting signals, and the first receiving module 221, the second receiving module 222, the third receiving module 223 and the fourth receiving module 224 are used for receiving signals.
One end of the second transceiver 2 is connected with a second modem 23; the other end of the second transceiver 2 is connected with the switch module 3.
Taking the first transceiver 1 as a WAN transceiver and the second transceiver 2 as a WIFI transceiver as an example, the WAN transceiver supports 4x4 MIMO (Multiple In Multiple Out), the WIFI transceiver supports 2x2 MIMO, and the operating frequency band of the WAN transceiver may be: b41, N41, N79; the working frequency band of the WIFI transceiver may be: 2.4G and 5G.
As shown in fig. 2, optionally, the switch module 3 includes: a first Double pole four Throw (DP 4T) switch 31, a second DP4T switch, and a third DP4T switch 33; the first interface a of the first DP4T switch 31 is connected to the rf transmitting module 21; the second interface B of the first DP4T switch 31 is connected to the second receiving module 222; the first contact m of the first DP4T switch 31 is connected to a first antenna ANT1 of the antenna group 4; the second contact n of the first DP4T switch 31 is connected to a second antenna ANT2 of the antenna group 4; the third contact o of the first DP4T switch 31 is connected with the second contact b of the second DP4T switch 32; the fourth contact p of the first DP4T switch 31 is connected to the second contact f of the third DP4T switch 33.
The first contact a of the second DP4T switch 32 is connected to the first transceiving port; the third contact c of the second DP4T switch 32 is connected to the third receiving module 223; the first interface M of the second DP4T switch 32 is connected to a third antenna ANT3 of the antenna group 4; the second interface N of the second DP4T switch 32 is connected to the fifth antenna ANT5 of the antenna group 4.
The first contact e of the third DP4T switch 33 is connected to the second transceiving port; the third contact g of the third DP4T switch 33 is connected to the fourth receiving module 224; the first interface X of the third DP4T switch 33 is connected to the fourth antenna ANT4 of the antenna group 4; the second interface Y of the third DP4T switch 33 is connected to the sixth antenna ANT6 of the antenna group 4.
The first interface a of the first DP4T switch 31 is connected to the rf transmitting module 21, and the signal transmitted by the first transceiver 1 is transmitted to the antenna connected to the first DP4T switch 31 via the rf transmitting module 21 and the first interface a; the second port B of the first DP4T switch 31 is connected to the second receiving module 222, and the signal received by the antenna connected to the first DP4T switch 31 is transmitted to the first transceiver 1 via the first DP4T switch 31 and the second receiving module 222. The second transceiver 2 is connected to the first contact a of the second DP4T switch 32, the second transceiver 2 is further connected to the first contact e of the third DP4T switch 33, and the second transceiver 2 receives or transmits signals through the antenna connected to the second DP4T switch 32 and transmits or receives signals through the antenna connected to the third DP4T switch 33.
In this embodiment, the switch module includes three DP4T switches, and when the working antenna state of the first transceiver or the second transceiver is poor, the working antenna of the transceiver currently in the working state is switched to other working antennas with better performance by controlling the connection state of each contact of the DP4T switch, so as to ensure normal operation of the network, effectively improve the utilization rate of the antenna, and improve the performance of the network.
As shown in fig. 2, the rf transmitting module 21 of the first transceiver 1 is connected to the first DP4T switch 31, and the first DP4T switch 31 is connected to the first antenna ANT1 and the second antenna ANT 2; the second receiving module 222 of the first transceiver 1 is connected to the first DP4T switch 31, the third receiving module 223 is connected to the second DP4T switch 32, the second DP4T switch 32 is connected to the fifth antenna ANT5 and the third antenna ANT3, the fourth receiving module 224 is connected to the third DP4T switch 33, and the third DP4T switch 33 is connected to the sixth antenna ANT6 and the fourth antenna ANT4, so that the first antenna ANT1, the second antenna ANT2, the third antenna ANT3, the fourth antenna ANT4, the fifth antenna ANT5, and the sixth antenna ANT6 can be used as the transmitting/receiving antenna of the first transceiver 1. Taking the first transceiver 1 as a WAN transceiver as an example, ANT1, ANT2, ANT3, ANT4, ANT5, ANT6 may be used as WAN transceiver antennas.
The second transceiver 2 is connected to the second DP4T switch 32 and the third DP4T switch 33, respectively, so that the third antenna ANT3, the fourth antenna ANT4, the fifth antenna ANT5 and the sixth antenna ANT6 can be used as the transceiver antennas of the second transceiver 2. Taking the second transceiver 2 as a WIFI transceiver as an example, the ANT3, ANT4, ANT5, and ANT6 may be all WIFI transceiving antennas.
As shown in fig. 2, the third antenna ANT3, the fourth antenna ANT4, the fifth antenna ANT5, and the sixth antenna ANT6 are multiplexing antennas of the radio frequency structure in the embodiment of the present application, and taking the first transceiver 1 as a WAN transceiver and the second transceiver 2 as a WIFI transceiver as an example, all six antennas of ANT1-ANT6 can operate in a WAN state, and all 4 antennas of ANT3-ANT6 can operate in a WIFI state, and their functions are as follows:
in the case of simultaneous operation of the first transceiver and the second transceiver, i.e., WAN and WIFI, WIFI operates at ANT5 and ANT6 antennas and WAN operates at ANT1-ANT4 antennas.
In the case of the first transceiver, i.e. the WAN transceiver, operating alone, the ANT1-ANT6 antennas can all be used as the WAN operating antennas by means of the three DP4T switches, and the WAN transmission can be switched to any of the 6 antennas. By periodically acquiring the levels or other states of the 6 antennas, the WAN transmission can select the antenna with the best state from the 6 antennas to work, and the WAN uplink throughput is improved. Optionally, 4 antennas with the best state are selected from the 6 antennas to perform SRS (Sounding reference signal) round sending, so that the SRS benefit is improved, and the downlink throughput is effectively improved.
In the case that the second transceiver, namely WIFI, is operated alone, ANT3-ANT6 may act as an operating antenna for WIFI by adjusting the second DP4T switch and the third DP4T switch; the WIFI system periodically acquires downlink RSSI (Received Signal Strength Indication) of the 4 antennas, dynamically selects the antenna with the best 2 signals from the 4 antennas to work, and can effectively improve WIFI uplink and downlink throughput.
The embodiment provides 6 antennas which can be used for WAN, and WAN switches or SRS transmits on the 6 antennas, thereby effectively improving the uplink and downlink throughput of WAN and effectively improving the performance of WAN; 4 antennas which can be used for WIFI are provided, the WIFI selects 2 antennas with better states to work on the 4 antennas, and the uplink and downlink throughput of the WIFI can be effectively improved. Through DP4T switch in the switch module, make the quantity that WAN or WIFI antenna switched increase, promote product WAN and WIFI performance under holding the scene. The WIFI comprises 2.4G and 5G frequency bands, and the WAN comprises a B41/N41/N79 frequency band.
Optionally, as shown in fig. 3, the switch module 3 includes: a first Double Pole Double Throw (DPDT) switch 34 and a second Double Pole Double Throw (DPDT) switch 35; a first interface I of the first DPDT switch 34 is connected to a first transceiving port; the second interface J of the first DPDT switch 34 is connected to the radio frequency transmission module 21; a first interface K of the second DPDT switch 35 is connected to a second transceiving port; the second interface L of the second DPDT switch 35 is connected to the second receiving module 222.
The switch module 3 further includes: the fourth DP4T switch 36; the first interface Q of the fourth DP4T switch 36 is connected to the first contact Q of the first DPDT switch 34, and the second contact r of the first DPDT switch 34 is connected to the fifth antenna ANT5 of the antenna group 4; the second interface R of the fourth DP4T switch 36 is connected to the first contact k of the second DPDT switch 35; the second contact l of the second DPDT switch 35 is connected to the sixth antenna ANT6 of the antenna group 4; the first contact s of the fourth DP4T switch 36 is connected to the first antenna ANT1 of the antenna group 4; the second contact t of the fourth DP4T switch 36 is connected to the second antenna ANT2 of the antenna group 4.
The switch module 3 further includes: a first Single Pole Double Throw (SPDT) switch 37 and a second Single Pole Double Throw (SPDT) switch 38; the first contact of the first SPDT switch 37 is connected to the third contact u of the fourth DP4T switch 36, and the second contact of the first SPDT switch 37 is connected to the third receiving module 223; the first contact of the second SPDT switch 38 is connected to the fourth contact v of the fourth DP4T switch 36, and the second contact of the second SPDT switch 38 is connected to the fourth receiving module 224; the interface of the first SPDT switch 37 is connected to the third antenna ANT3 of the antenna group 4; the second SPDT switch 38 is interfaced to the fourth antenna ANT4 of the antenna stack 4.
The second interface J of the first DPDT switch 34 is connected to the radio frequency transmission module 21, and the transmission signal of the first transceiver 1 is transmitted through the antenna connected to the first DPDT switch 34 via the radio frequency transmission module 21 and the first DPDT switch 34. A first interface I of the first DPDT switch 34 is connected to the second transceiver 2, and a transmission or reception signal of the second transceiver 2 is transmitted or received through an antenna connected to the first DPDT switch 34 via the first DPDT switch 34. The second receiving module 222 is connected to the second DPDT switch 35, and the first transceiver 1 receives signals through the second DPDT switch 35. Since the first DPDT switch 34 and the second DPDT switch 35 are connected to a fourth DP4T switch 36, respectively, the first transceiver 1 can transmit and receive signals through an antenna connected to the fourth DP4T switch 36, and the second transceiver 2 can transmit and receive signals through an antenna connected to the first DPDT switch 34, an antenna connected to the second DPDT switch 35, and an antenna connected to the fourth DP4T switch 36.
As shown in fig. 3, the second transceiver 2 is connected to the first DPDT switch 34 and the second DPDT switch 35, the first DPDT switch 34 and the second DPDT switch 35 are connected to the fourth DP4T switch 36, the first DPDT switch 34 is connected to the fifth antenna, the second DPDT switch 35 is connected to the sixth antenna, and the fourth DP4T switch 36 is connected to the first antenna, the second antenna, the third antenna, the fourth antenna, and the fourth antenna, so that the first antenna, the second antenna, the third antenna, the fourth antenna, the fifth antenna, and the sixth antenna can all be working antennas of the second transceiver 2.
The rf transmitting module 21 of the first transceiver 1 is connected to the first DPDT switch 34, the second receiving module 222 is connected to the second DPDT switch 35, the third receiving module 223 is connected to the first SPDT switch 37, and the fourth receiving module 224 is connected to the second SPDT switch 38, so that the sixth antenna can be used as a receiving antenna of the first transceiver 1, and the first antenna, the second antenna, the third antenna, the fourth antenna, and the fifth antenna can be used as receiving and transmitting antennas of the first transceiver 1.
In this embodiment, a first DPDT switch 34 and a second DPDT switch 35 are added to a main diversity path of the first transceiver 1, so that all of 6 antennas from ANT1 to ANT6 become the multiplexing antenna in this embodiment. Taking the first transceiver 1 as a WAN transceiver and the second transceiver 2 as a WIFI transceiver as an example, it should be noted that WAN transmission cannot be switched to the ANT6 antenna, so the ANT6 antenna is only used for WAN reception, and antenna switching or SRS transmission cannot be performed. The realization function is as follows:
in the case of simultaneous operation of the first transceiver and the second transceiver, i.e., WAN and WIFI, WIFI operates at ANT5 and ANT6 antennas and WAN operates at ANT1-ANT4 antennas.
Under the condition that a first transceiver, namely a WAN transceiver, works alone, the WAN transceiver transmits signals through a first DPDT switch, a second DPDT switch and a fourth DP4T switch, can work on any one of ANT1-ANT5 antennas, and by periodically acquiring the level or other states of the 5 antennas, the WAN transceiver selects the antenna with the best state from the 5 antennas to work, so that the WAN uplink throughput is improved. Because the transmission can only work on 5 antennas, the round transmission of the SRS can only be carried out on the 5 antennas of ANT1-ANT5, and 4 antennas with the best state are selected from the 5 antennas to carry out the round transmission of the SRS, so that the benefit of the SRS is improved, and the downlink throughput is further improved.
Under the condition that a second transceiver, namely a WIFI transceiver, works alone, WIFI can work on any 2 antennas of 6 antennas in total through a first DPDT switch, a second DPDT switch and a fourth DP4T switch; WIFI periodically acquires downlink RSSI of 6 antennas, dynamically selects 2 antennas with best signals from the 6 antennas to work, and effectively improves WIFI uplink and downlink throughput.
The embodiment provides 5 antennas which can be used for WAN, the WAN switches or sends SRS in turn on the 5 antennas, and the uplink and downlink throughput of the WAN can be effectively improved; 6 antennas which can be used for WIFI are provided, and the WIFI selects 2 antennas with better states to work on the 6 antennas, so that the uplink and downlink throughput of the WIFI can be improved, and the WIFI performance is effectively improved.
According to the embodiment of the application, when the working antenna connected with the first transceiver or the second transceiver is poor in state, the working antenna of the transceiver in the current working state can be switched to the working antenna of the other transceiver in the idle state through the working state of the adjusting switch module, so that normal work of a network is guaranteed, the utilization rate of the antenna can be effectively improved, and the network performance is improved. On the basis of the existing radio frequency architecture, the number of switching working antennas of the first transceiver or the second transceiver is increased by adjusting or increasing the radio frequency switch, and the WAN and WIFI performance of products in a handheld scene is improved.
The application also provides an electronic device, which comprises the radio frequency structure. By utilizing the radio frequency structure, when the electronic equipment works in a WAN or WIFI mode independently, an antenna with a better radiation state can be selected from a plurality of antennas of the antenna group to work, wherein at least part of antennas in the antenna group can be used in the WAN radio frequency mode of the independent work and can also be used in the WIFI radio frequency mode of the independent work, the multiplexing of the antennas is realized, the normal work of a network is further ensured, and the network performance is improved.
The electronic device may be a mobile phone, and those skilled in the art can understand that, besides the mobile phone serving as the electronic device, the electronic device may also be applicable to other electronic devices having a display screen, such as a tablet computer, an electronic book reader, an MP3 (motion Picture Experts Group Audio Layer III) player, an MP4 (motion Picture Experts Group Audio Layer IV) player, a laptop computer, a vehicle-mounted computer, a desktop computer, a set-top box, an intelligent television, a wearable device, and the like, all of which are within the protection scope of the embodiment of the present application.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. 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 terminal that comprises the element.
While the foregoing is directed to the preferred embodiment of the present application, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the disclosure and, therefore, the scope of the disclosure is to be defined by the appended claims.
Claims (4)
1. A radio frequency device, comprising:
the system comprises a first transceiver, a second transceiver, a radio frequency transmitting module, a plurality of radio frequency receiving modules, a switch module and an antenna group;
the first transceiver comprises a transmit port and a plurality of first receive ports, the second transceiver comprises a plurality of transmit and receive ports, and the set of antennas comprises a plurality of antennas;
one end of the radio frequency transmitting module is connected with the transmitting port, and the other end of the radio frequency transmitting module is connected with the antenna group through the switch module; one end of each of the radio frequency receiving modules is connected with one of the first receiving ports in a one-to-one correspondence manner, and the other end of each of the radio frequency receiving modules is connected with the antenna group through the switch module; the plurality of transceiving ports are connected with the antenna group through the switch module;
the switch module can be switched in multiple states, and when only the first transceiver is operating, the switch module is in a first state, where multiple first receiving ports of the first transceiver are communicated with a first number of antennas in the antenna group, and when only the second transceiver is operating, the switch module is in a second state, where multiple receiving ports of the second transceiver are communicated with a second number of antennas in the antenna group, where at least some of the antennas in the first number of antennas and the antennas in the second number of antennas are the same;
the plurality of radio frequency receiving modules include: a first receiving module, a second receiving module, a third receiving module and a fourth receiving module; the first receiving module is connected with the radio frequency transmitting module;
the switch module includes: a first double pole, four throw DP4T switch, a second DP4T switch, and a third DP4T switch; a first interface of the first DP4T switch is connected with the radio frequency transmitting module; the second interface of the first DP4T switch is connected to the second receiving module; a first contact of the first DP4T switch is connected to a first antenna of the antenna set; a second contact of the first DP4T switch is connected to a second antenna of the antenna group; the third contact of the first DP4T switch is connected with the second contact of the second DP4T switch; the fourth contact of the first DP4T switch is connected with the second contact of the third DP4T switch;
alternatively, the first and second electrodes may be,
the switch module includes: a first double-pole double-throw DPDT switch, a second double-pole double-throw DPDT switch, a fourth DP4T switch, a first single-pole double-throw SPDT switch and a second single-pole double-throw SPDT switch;
a first interface of the first DPDT switch is connected with a first transceiving port; the second interface of the first DPDT switch is connected with the radio frequency transmitting module; a first interface of the second DPDT switch is connected with a second transceiving port; a second interface of the second DPDT switch is connected with the second receiving module;
a first interface of the fourth DP4T switch is connected to a first contact of the first DPDT switch, and a second contact of the first DPDT switch is connected to a fifth antenna of the antenna group; the second interface of the fourth DP4T switch is connected to the first contact of the second DPDT switch; a second contact of the second DPDT switch is connected with a sixth antenna of the antenna group; a first contact of the fourth DP4T switch is connected to a first antenna of the antenna set; a second contact of the fourth DP4T switch is connected to a second antenna of the antenna group;
the first contact of the first SPDT switch is connected with the third contact of the fourth DP4T switch, and the second contact of the first SPDT switch is connected with the third receiving module; the first contact of the second SPDT switch is connected to the fourth contact of the fourth DP4T switch, and the second contact of the second SPDT switch is connected to the fourth receiving module; the interface of the first SPDT switch is connected with a third antenna of the antenna group; an interface of the second SPDT switch is connected to a fourth antenna of the antenna set.
2. The radio frequency device according to claim 1, wherein the first contact of the second DP4T switch is connected to the first transceiving port;
the third contact of the second DP4T switch is connected to the third receiving module;
the first interface of the second DP4T switch is connected to the third antenna of the antenna group;
the second interface of the second DP4T switch is connected to the fifth antenna of the antenna group.
3. The radio frequency device according to claim 1, wherein the first contact of the third DP4T switch is connected to the second transceiving port;
the third contact of the third DP4T switch is connected to the fourth receiving module;
the first interface of the third DP4T switch is connected to a fourth antenna of the antenna group;
the second interface of the third DP4T switch is connected to the sixth antenna of the antenna group.
4. An electronic device, characterized in that it comprises a radio frequency apparatus according to any one of claims 1 to 3.
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| CN114362781B (en) * | 2020-10-13 | 2023-03-28 | 华为技术有限公司 | Communication system and electronic device |
| CN112350744B (en) * | 2020-10-30 | 2023-02-03 | 维沃移动通信有限公司 | Antenna switching method and device, signal transceiving circuit and electronic equipment |
| CN112436862B (en) * | 2020-11-24 | 2022-08-02 | 维沃移动通信有限公司 | Radio frequency circuit and electronic device |
| CN112468178B (en) * | 2020-11-27 | 2022-08-09 | Oppo广东移动通信有限公司 | Radio frequency system, antenna switching method and customer premises equipment |
| CN114696841A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Antenna switching device, terminal equipment, antenna switching method and system |
| CN113067596B (en) * | 2021-03-15 | 2022-08-26 | 维沃移动通信有限公司 | Radio frequency structure and electronic equipment |
| CN113489499B (en) * | 2021-07-23 | 2023-05-02 | 维沃移动通信有限公司 | Radio frequency architecture and electronic device |
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| US9654151B2 (en) * | 2015-05-11 | 2017-05-16 | Qorvo Us, Inc. | Radio frequency front end circuitry with improved primary transmit signal isolation |
| US20190097671A1 (en) * | 2017-09-26 | 2019-03-28 | Apple Inc. | Converged transmitter architecture with reduced power consumption |
| CN109687889A (en) * | 2018-12-14 | 2019-04-26 | 惠州Tcl移动通信有限公司 | Radio circuit and terminal |
| CN109981119B (en) * | 2019-03-21 | 2021-07-02 | Oppo广东移动通信有限公司 | Antenna multiplexing radio frequency device and terminal |
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