WO2020019874A1 - 射频系统、天线切换控制方法及相关产品 - Google Patents

射频系统、天线切换控制方法及相关产品 Download PDF

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Publication number
WO2020019874A1
WO2020019874A1 PCT/CN2019/089887 CN2019089887W WO2020019874A1 WO 2020019874 A1 WO2020019874 A1 WO 2020019874A1 CN 2019089887 W CN2019089887 W CN 2019089887W WO 2020019874 A1 WO2020019874 A1 WO 2020019874A1
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WIPO (PCT)
Prior art keywords
radio frequency
switch
antenna
module
receiving
Prior art date
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PCT/CN2019/089887
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English (en)
French (fr)
Inventor
杨鑫
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP19841769.3A priority Critical patent/EP3820124A4/en
Publication of WO2020019874A1 publication Critical patent/WO2020019874A1/zh
Priority to US17/156,501 priority patent/US11431356B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the technical field of mobile terminals, and in particular, to a radio frequency system, an antenna switching control method, and related products.
  • the fourth generation of mobile communication technology (4G) mobile communication technology (4G) mobile communication systems generally use single antenna or dual antenna radio frequency system architecture, currently the fifth generation of mobile communication technology (5th-Generation (5G) mobile communication system
  • 5G fifth generation of mobile communication technology
  • a New Radio (NR) system proposes a radio system architecture requirement to support a 4-antenna group.
  • the embodiments of the present application provide a radio frequency system, an antenna switching control method, and related products, so as to improve the sensitivity of each channel. Compared with the construction of separate devices, the integration is higher, and the area / cost / power consumption is better.
  • an embodiment of the present application provides a radio frequency system including a radio frequency transceiver, a radio frequency processing circuit, and at least two antenna groups.
  • the radio frequency transceiver is connected to the radio frequency processing circuit, and the radio frequency processing circuit is connected to the at least 2 antenna groups;
  • the radio frequency system supports a simultaneous receiving function of four downlink antennas, the at least two antenna groups include a total of m antennas, m is greater than or equal to 4 and less than or equal to 8, and the radio frequency processing circuit includes a group number with the at least two antenna groups The same number of modules, each module is connected to an antenna group, and each module is arranged close to the connected antenna group, the module includes a transmitting module, or a transmitting module and a receiving module.
  • an embodiment of the present application provides an electronic device including a radio frequency system.
  • the radio frequency system includes a radio frequency transceiver, a radio frequency processing circuit, and at least two antenna groups.
  • the radio frequency transceiver is connected to the radio frequency processing circuit.
  • the radio frequency processing circuit is connected to the at least two antenna groups, and the radio frequency system supports the simultaneous receiving function of the four downlink antennas.
  • the at least two antenna groups include m antennas in total, and m is greater than or equal to 4 and less than or equal to 8; the radio frequency processing
  • the circuit includes the same number of modules as the number of groups of the at least two antenna groups, the modules include a transmitting module, or a transmitting module and a receiving module, and each transmitting module is close to each transmitting module Antenna groups connected to each group, each receiving module is close to the antenna group connected to each receiving module;
  • the electronic device includes at least any one of the following: a mobile terminal and a base station.
  • an embodiment of the present application provides an antenna switching control method applied to an electronic device, where the electronic device includes a radio frequency system, and the radio frequency system includes a radio frequency transceiver, a radio frequency processing circuit, and at least two antenna groups.
  • a radio frequency transceiver is connected to the radio frequency processing circuit, and the radio frequency processing circuit is connected to the at least two antenna groups; the method includes:
  • an embodiment of the present application provides an antenna switching control device applied to an electronic device.
  • the electronic device includes a radio frequency system, and the radio frequency system includes a radio frequency transceiver, a radio frequency processing circuit, and at least two antenna groups.
  • the radio frequency transceiver is connected to the radio frequency processing circuit, and the radio frequency processing circuit is connected to the at least two antenna groups;
  • the antenna switching control device includes a processing unit and a communication unit, wherein:
  • the processing unit is configured to control, through the communication unit, a transmission path between a transmission port of a target frequency band of the radio frequency transceiver in the radio frequency system and a target antenna group, and pass the antenna in the target antenna group. transmit a signal.
  • an embodiment of the present application provides an electronic device including a processor, a memory, a communication interface, and one or more programs.
  • the one or more programs are stored in the memory and configured by The processor executes, and the program includes instructions for performing the steps in the method according to the third aspect.
  • an embodiment of the present application provides a computer-readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to execute the method according to the third aspect.
  • each module in the radio frequency system is arranged near the corresponding antenna group, and only a receiving module and a transmitting module are required to construct a core processing circuit, it is beneficial to improve the sensitivity of each channel. Separate device construction, higher integration, better area / cost / power consumption.
  • FIG. 1A is a schematic structural diagram of a receiving module according to an embodiment of the present application.
  • FIG. 1B is a schematic structural diagram of another receiving module according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a transmitting module according to an embodiment of the present application.
  • 3A is a schematic structural diagram of a radio frequency system according to an embodiment of the present application.
  • 3B is a schematic structural diagram of a radio frequency system according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of an antenna switching control method according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 6 is a functional block diagram of an antenna switching control device according to an embodiment of the present application.
  • an embodiment herein means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they independent or alternative embodiments that are mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
  • the electronic devices involved in the embodiments of the present application may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem, and various forms of user devices (User Equipment (UE), mobile station (MS), terminal device (terminal), and so on.
  • UE User Equipment
  • MS mobile station
  • terminal terminal
  • electronic devices the devices mentioned above are collectively referred to as electronic devices.
  • the mobile phone ’s SRS switching4 antenna transmission function is a mandatory option for China Mobile Communications Group CMCC in the “China Mobile 5G Scale Test Technology White Paper_Terminal”, which is optional in the 3rd Generation Partnership Project 3GPP.
  • the base station In order for the base station to measure the uplink signal of the 4 antennas of the mobile phone, and then confirm the quality and parameters of the 4 channels, according to the channel reciprocity, the downlink optimization of the 4 channels is performed. Get the best data transfer performance.
  • the electronic device may specifically be a 5G NR mobile terminal or other 5G NR terminal devices, such as a Customer Premise Equipment (CPE) or a portable broadband wireless device (Mobile Wifi, MIFI).
  • CPE Customer Premise Equipment
  • MIFI portable broadband wireless device
  • the reasons for defining the modules (including receiving modules and transmitting modules) in the radio frequency system presented in the embodiments of the present application are as follows: 1 5G NR requires downlink 4x4 MIMO or 4-way diversity reception; 2 TX SRS switching 4 antenna rotation (optional); 3 Transmit antenna switching function (optional) 4
  • the frequency range of sub-6GHz is 3.3 ⁇ 4.2G and 4.4 ⁇ 5G. This frequency band is higher than the LTE 600 ⁇ 2700MHz frequency band. Therefore, RF cable (coaxial cable) from the main board side to the other side, and from the main board to the secondary board (also known as the lower board), RF cable loss is large;
  • SNR minimum demodulation threshold, determined by the platform vendor's (Qualcomm, MTK) baseband algorithm.
  • K and T are fixed constants
  • BW is confirmed by the test bandwidth
  • SNR is determined by the system baseband algorithm.
  • the NF formula is as follows,
  • NF 1 IL pre-1st LNA + NF 1st LNA
  • IL pre-1st LNA the insertion loss before the first stage LNA
  • NF 1st LNA the noise figure of the first stage.
  • NF 1 is the main contributor.
  • NF 1 in addition to using external LNA to reduce NF 1st LNA , how to reduce IL pre-1st LNA becomes a crucial improvement method, that is, how to reduce the first stage Insertion loss before LNA.
  • a 5G NR radio frequency system is defined.
  • the receiving module and the transmitting module in this radio frequency system can be placed near the antenna, thereby reducing the insertion loss before the first-level LNA and improving the system sensitivity. purpose.
  • an embodiment of the present application provides a receiving module, which is applied to a radio frequency system, and the radio frequency system supports three frequency bands; including three signal receiving channels, a first switch, and a second switch, the first A switch is connected to the three signal receiving channels, and the three signal receiving channel is connected to the second switch;
  • the first changeover switch includes an SP5T switch
  • the second changeover switch includes an SP4T switch
  • each signal receiving channel includes a filter Filter and a low-noise amplifier LNA, and the LNA is connected to the Filter;
  • the first switch is used to connect an antenna of an antenna group corresponding to the receiving module
  • the second switch is used to connect a transmitting module
  • the receiving module is disposed near the antenna group.
  • the receiving module integrates three signal receiving channels and is located close to the corresponding antenna group, it can reduce the link insertion loss and help improve the channel sensitivity. Compared with the construction of separate devices, the integration is higher and the area / Better cost / power consumption.
  • a built-in bypass channel is further provided between the first switch and the second switch of the receiving module, and the built-in bypass channel is used to connect the transmitting module. To support the signal transmission function of the receiving module.
  • the receiving module further includes an auxiliary port AUX, the AUX is connected to the first switch, and the auxiliary port is used to connect a transmitting module to support a signal transmitting function of the receiving module. Because one switch is reduced compared to the external bypass channel, the path insertion loss can be further reduced.
  • the receiving module further includes two auxiliary ports AUX, namely a first AUX and a second AUX, the first AUX is connected to a first switch, the second AUX is connected to a second switch, and the first
  • An external bypass channel is provided between the AUX and the second AUX, and the external bypass channel is used to connect a transmitting module to support a signal transmitting function of the receiving module.
  • the receiving module further includes three auxiliary ports AUX, namely a first AUX, a second AUX, and a third AUX.
  • the first AUX and the second AUX are connected to the first switch, and the first Three AUXs are connected to a second switch, and the first AUX or the second AUX is used to connect a transmitting module to support the signal transmitting function of the receiving module; or,
  • the first AUX and the third AUX or the second AUX and the third AUX are used to access an external bypass channel, and the external bypass channel is used to connect a transmitting module to support the external bypass channel. Signal transmitting function of the receiving module.
  • the receiving module supports a signal transmitting function
  • one AUX of the receiving module connected to the first switch is used to connect the transmitting module;
  • the first AUX is connected to the third AUX or the second AUX is connected to the third AUX.
  • the receiving module can reduce the NF of the receiving path and improve the receiving sensitivity.
  • the receiving module also includes the following features:
  • Each receiving module is connected to one antenna group (including one or two antennas), and the setting position is close to the (feed point) of the connected antenna;
  • the receiving module can implement multiple channels to work at the same time by adding a combiner. In this way, the device is added, but the cable is not required. , The routing is more streamlined. In addition, it is also possible to share ports with 2 filters + a special design (that is, to form a duplexer or multiplexer) to complete the combining behavior. In this way, there is no need to add cable lines and devices, and the cost and area are better controlled.
  • This module has its own shielding layer or no shielding layer (if there is no shielding layer, another shielding cover needs to be built);
  • the receiving module further includes a mobile industry processor interface MIPI and / or a general-purpose input / output GPIO control unit, and the MIPI control unit and / or the GPIO control unit are used to control devices in the receiving module
  • the device includes any one of the following: a first switch and a second switch.
  • the receiving module includes 3 low-noise amplifiers LNA, 3 filters, 1 auxiliary port, and 2 switching switches (the first switching switch for connecting the antenna, including the SP5T switch for connecting The second switch of the RF transceiver and / or the transmitting module, including the SP4T switch) and the built-in Bypass channel.
  • Nx, Ny, and Nz correspond to three frequency bands.
  • the receiving module may further include a MIPI and / or GPIO control unit to perform LNA / switch switching control.
  • the P port of the first switch (including the SP3T switch) is connected to the antenna, the first T port of the first switch is connected to the auxiliary port AUX, and the second, third, and fourth T ports are respectively connected to the first, second, and third filters.
  • the first filter is connected to the first low-noise amplifier LNA
  • the second filter is connected to the second LNA
  • the third filter is connected to the third LNA
  • the first second third LNA is connected to the first second third of the second switch.
  • T port, a built-in bypass channel is provided between the fifth T port of the first switch and the fourth T port of the second switch
  • the P port of the second switch is connected to a transmitting module and / or a radio frequency transceiver.
  • the receiving module includes three low-noise amplifiers LNA, three filters, and three auxiliary ports AUX (the first and second AUX are connected to the first switch, the third AUX is connected to the second switch, and the third One AUX and third AUX or second AUX and third AUX are used to connect an external bypass channel to support the signal transmission function of the receiving module, and the first or second AUX is used to connect the transmitting module to support the receiving module. (Signal transmitting function), 2 switching switches (the first switching switch for connecting the antenna, including the SP5T switch, the second switching switch for connecting the radio frequency transceiver and / or the transmitting module, including the SP4T switch). Nx, Ny, and Nz correspond to three frequency bands.
  • the receiving module may further include a MIPI and / or GPIO control unit to perform LNA / switch switching control.
  • the P port of the first switch is connected to the antenna
  • the first T port of the first switch is connected to the first auxiliary port AUX
  • the second, third and fourth T ports are connected to the first, second and third filters
  • the first filter is connected to the first low-noise amplifier LNA
  • the second filter is connected to the second LNA
  • the third filter is connected to the third LNA
  • the first, second, and third LNAs are connected to the first, second, and third T ports of the Cherr switch.
  • An external bypass channel is connected between the fifth T port of the first switch and the fourth T port of the second switch, and the P port of the second switch is connected to the transmitting module.
  • the receiving module can support the switching of the signal transmission function of the antenna through the built-in or external bypass channel, and the receiving module is arranged near the corresponding antenna group connected to the local end, it is beneficial to improve each Channel sensitivity.
  • integrated modules have higher integration and better area / cost / power consumption than discrete devices.
  • an embodiment of the present application proposes a transmitting module applied to a radio frequency system.
  • the radio frequency system supports three frequency bands.
  • the transmitting module includes three signal transmitting and receiving processing circuits, a power coupler, and two Channel selection switch (the first channel selection switch includes an SP3T switch, the second channel selection switch includes a 4P4T switch), the three-way signal transmission and reception processing circuit is connected to the first channel selection switch, and the first channel selection switch is connected to the A power coupler, the power coupler is connected to the second channel selection switch, and the second channel selection switch is a channel selection switch for simplified connection.
  • the second channel selection switch is connected to an antenna group corresponding to the transmitting module, and the transmitting module is disposed near the antenna group.
  • the simplified connection channel selection switch refers to a channel selection switch including one or more non-fully connected ports.
  • the non-fully connected port refers to a port that is not connected to all the opposite ports.
  • the first One T port can be fully connected to 4 P ports, and each T port in the second, third, and fourth T ports can be connected to only one P port.
  • the transmitting module integrates signal receiving and processing circuits and includes a channel selection switch that simplifies connection, it can reduce the number of RF link switches and reduce link insertion loss, which is beneficial to improving the sensitivity of each channel. Build, higher integration, better area / cost / power consumption.
  • the second channel selection switch is connected to an antenna group corresponding to the transmitting module.
  • each signal transmission and reception processing circuit includes one PA, one LNA, one transmission and reception switch, and one Filter.
  • the PA and the LNA are connected to the transmission and reception switch, and the transmission and reception switch.
  • a switch is connected to the Filter, the three-way signal transmission and reception processing circuit is connected to the first channel selection switch, the first channel selection switch is connected to a power coupler, and the power coupler is connected to the second channel selection switch.
  • the transmission and reception switch includes an SPDT switch.
  • An input port of the PA of the signal transceiving processing circuit is used to connect a signal transmitting port of a radio frequency transceiver, and an output port of the LNA of the signal transceiving processing circuit is used to connect a signal receiving of the radio frequency transceiver.
  • the power coupler is used to connect a power detection PDET port of the radio frequency transceiver.
  • At least 3 ports in the first and / or second channel selection switch are used as external ports of the transmitting module, among which 1 or 2 external ports are used to connect antennas of an antenna group, and the remaining external ports are used for A signal receiving port for connecting a receiving module and / or the radio frequency transceiver and / or other transmitting modules.
  • the transmitting module further includes a mobile industry processor interface MIPI and / or a general-purpose input / output GPIO control unit, and the MIPI control unit and / or the GPIO control unit are used to control devices in the transmitting module
  • the device includes any one of the following: a transmit-receive switch, a channel selection switch, and a power detection selection switch.
  • the transmitting module includes three signal transmitting and receiving processing circuits, a power coupler and two channel selection switches.
  • Each signal transmitting and receiving processing circuit includes a power amplifier PA, a low-noise amplifier LNA, 1 transmit-receive switch (including SPDT switch), 1 filter, the first PA and the first LNA are connected to the first transmit-receive switch, the first transmit-receive switch is connected to the first filter, the second PA and the second LNA
  • a second transmitting and receiving switch is connected, the second transmitting and receiving switch is connected to a second filter, a third PA and a third LNA are connected to a third transmitting and receiving switch, the third transmitting and receiving switch is connected to a third filter, and the first
  • the second and third filters are connected to the first channel selection switch, the first channel selection switch is connected to a power coupler, and the power coupler is connected to the second channel selection switch.
  • the transmitting module can also include MIPI and / or GPIO control unit to complete PA / LNA / power
  • the input port of the first PA corresponds to the first external port of the transmitting module
  • the output port of the first LNA corresponds to the second external port of the transmitting module
  • the input port of the second PA corresponds to the third external port of the transmitting module
  • the second The output port of the LNA corresponds to the fourth external port of the transmitting module
  • the input port of the third PA corresponds to the fifth external port of the transmitting module
  • the output port of the third LNA corresponds to the sixth external port of the transmitting module
  • the second channel is selected
  • the first, second, third, and fourth P ports of the switch correspond to the seventh, eighth, ninth, and tenth external ports of the transmitting module
  • the ports of the power coupler correspond to the eleventh external port of the transmitting module
  • the second, third, and fourth T ports correspond to the twelfth, forty-fourth external port of the transmitting module.
  • the first, third, and fifth external ports are used to connect the signal transmitting port of the radio frequency transceiver
  • the seventh external port is used to connect the antenna of the corresponding antenna group
  • the eighth, ninth, and tenth external ports are used to connect
  • the receiving module is used to connect the receiving module and the transmitting module.
  • the eleventh external port is used to connect the power detection PDET port of the radio frequency transceiver.
  • the external port of the fourteen external ports is used to connect the signal receiving port or the receiving port selection switch of the radio frequency transceiver, or the external ports of the twelfth, thirteenth, and fourteenth external ports are used to connect other transmitting modules.
  • External port is used to connect the signal transmitting port of the radio frequency transceiver, the seventh external port is used to connect the antenna of the corresponding antenna group, and the eighth, ninth, and tenth external ports.
  • the definition of the receiving module and the transmitting module as described above constitutes a 5G radio frequency architecture supporting electronic equipment.
  • the receiving module and the transmitting module are applied to electronic equipment.
  • the radio frequency system includes radio frequency.
  • the radio frequency system supports a simultaneous receiving function of four downlink antennas, the at least two antenna groups include a total of m antennas, m is greater than or equal to 4 and less than or equal to 8, and the radio frequency processing circuit includes a group number with the at least two antenna groups The same number of modules, each module is connected to an antenna group, and each module is arranged close to the connected antenna group, the module includes a transmitting module, or a transmitting module and a receiving module.
  • m is 4, at least two antenna groups are four antenna groups, and the radio frequency processing circuit includes two transmitting modules and two receiving modules, where the first transmitting module is disposed near the first antenna group and the second transmitting module The module is arranged near the second antenna group, the first receiving module is arranged near the third antenna group, and the second receiving module is arranged near the fourth antenna group.
  • each module in the radio frequency system is located close to the corresponding antenna group, and only the receiving module and the transmitting module are required to build the core processing circuit, it is beneficial to improve the sensitivity of each channel. Compared with the construction of separate devices, Higher integration and better area / cost / power consumption.
  • the radio frequency processing circuit when the radio frequency system supports a dual transmit mode, includes two transmit modules.
  • the two transmitting modules are arranged on a motherboard.
  • the at least two antenna groups include four antenna groups, and each antenna group includes one antenna; the radio frequency processing circuit further includes two receiving modules; and the two receiving modules are disposed at Vice board.
  • the radio frequency transceiver is connected to the transmitting module; the transmitting module is connected to a receiving module provided on a sub-board to support the signal receiving and transmitting functions of the receiving module, where the signal The transmitting function requires the bypass channel of the receiving module to communicate.
  • the radio frequency processing circuit further includes two receiving port selection switches, each receiving port selection switch is connected to a signal receiving port of a radio frequency transceiver, and is connected to a corresponding transmitting module.
  • the receiving port selection switch includes SP3T switch.
  • radio frequency system provided by the embodiment of the present application is described in detail below.
  • this example RF architecture supports the following functions: 1 5G NR 3 frequency bands; 2 UL CA not supported; 3 DL CA not supported; 4 4 antenna SRS switching; NR 2T4R (2 transmission channels in a single frequency band and 4 channels) receive).
  • the 5G radio frequency architecture includes a radio frequency transceiver, two transmitting modules, two receiving modules, two receiving port selection switches, and four antenna groups. Each antenna group includes one antenna.
  • the radio frequency transceiver, the first The second transmitting module and the first and second receiving port selection switches are disposed on the main board (corresponding to the upper side of the battery in the drawing), and the first and second receiving modules are disposed on the auxiliary board (corresponding to the lower side of the battery in the drawing).
  • the first transmitting module is disposed near the first antenna group
  • the second transmitting module is disposed near the second antenna group
  • the first receiving module is disposed near the third antenna group
  • the second receiving module is disposed near the fourth antenna group. And it is specifically set near the feed point of the antenna, and the relative distance can range from 1-100 mm.
  • the internal device structure and connection relationship of the transmitting module are shown in FIG. 2, and the internal device structure and connection relationship of the receiving module are shown in FIG. 1A.
  • the first channel selection switch of the first and second transmitting modules is the first All T ports are connected to 4 P ports, and the fourth T port is connected to the fourth P port; the P port of the second switch of the first receiving module is connected to the tenth external port of the second transmitting module to support the first receiving The signal receiving and transmitting function of the module, the P port of the second switch of the second receiving module is connected to the tenth external port of the transmitting module to support the signal receiving and transmitting function of the second receiving module.
  • the first and second receiving port selection switches include an SP3T switch, and the first receiving port selection switch is connected to the fourteenth external port of the first transmitting module, and the second receiving port selection switch is connected to the fourteenth external port of the second transmitting module. .
  • the first transmitting port Nx TX1 of the first frequency band of the radio frequency transceiver is connected to the first external port of the first transmitting module, and the first transmitting port Ny TX1 of the second frequency band is connected to the third external port of the first transmitting module.
  • the first transmitting port Nz TX1 of the frequency band is connected to the fifth external port of the first transmitting module
  • the second transmitting port Nx TX2 of the first frequency band is connected to the first external port of the second transmitting module
  • the second transmitting port of the second frequency band Ny TX2 is connected to the third external port of the second transmit module
  • second transmit port of the third frequency band Nz TX2 is connected to the fifth external port of the second transmit module
  • first receive port Nx of the first frequency band is connected to the first transmit
  • the second external port of the module, the first receiving port NyRX1 of the second frequency band is connected to the fourth external port of the first transmitting module, and the first receiving port NzRX1 of the third frequency band is connected to the sixth external port of the first transmitting module.
  • the second receiving port NxRX2 of the first frequency band is connected to the second external port of the second transmitting module, the second receiving port NyRX2 of the second frequency band is connected to the fourth external port of the second transmitting module, the third frequency band
  • the second receiving port NzRX2 is connected to the sixth external port of the second transmitting module, the third receiving port NxRX3 of the first frequency band, the third receiving port NyRX3 of the second frequency band, and the third receiving port NzRX3 of the third frequency band Connect the three T ports of the first receiving port selection switch, the fourth receiving port of the first frequency band NxRX4, the fourth receiving port of the second frequency band NyRX4, and the fourth receiving port of the third frequency band NzRX4 respectively.
  • the P port of the first receiving port selection switch is connected to the fourteenth external port of the first transmitting module, and the P port of the second receiving port selection switch is connected to the tenth of the second transmitting module.
  • the first power detection port PDET1 of the radio frequency transceiver is connected to the eleventh external port of the first transmitting module, and the second PDET2 is connected to the eleventh external port of the second transmitting module.
  • the first antenna group is connected to the seventh external port of the first transmitting module
  • the second antenna group is connected to the seventh external port of the second transmitting module
  • the third antenna group is connected to the first switch of the first receiving module (including SP3T switch)
  • the fourth antenna group is connected to the P port of the first switch (including the SP3T switch) of the second receiving module.
  • the above-mentioned radio frequency architecture is applied to electronic equipment, and the electronic equipment controls a transmission path between a transmission port of a target frequency band of the radio frequency transceiver in the radio frequency system and a target antenna group, and transmits a signal through the antenna in the target antenna group .
  • the electronic device including the above-mentioned radio frequency architecture is in During the SRS4 antenna round transmission or autonomous transmission switching process:
  • the electronic device controls the first T port of the second channel selection switch of the first transmission module to communicate with the first P port, and at the same time, controls the first T port of the second channel selection switch of the transmission module. It communicates with the fourth P port (corresponding to the tenth external port), and controls the internal bypass channel of the second receiving module to communicate, so as to transmit signals through the antenna groups of the first antenna group and the fourth antenna group.
  • the electronic device controls the first T port of the second channel selection switch of the second transmitting module to communicate with the first P port (corresponding to the seventh external port), and simultaneously controls the second of the second transmitting module.
  • the first T port of the channel selection switch is in communication with the fourth T port, and controls the internal bypass channel of the first receiving module to communicate, so as to transmit signals through the antennas of the second antenna group and the third antenna group.
  • the electronic device detects that antenna switching is needed, determine the signal transmission link of the target antenna group, and control the signal transmission link to communicate, so as to realize the signal transmission through the antenna of the target antenna group.
  • the signals include SRS TX signals or other signals, and other signals include signals of various types of service data.
  • the external ports of the transmitting module and the receiving module provided in the embodiments of the present application are redundant. This is to unify the modules and conveniently support multiple radio frequency systems.
  • the radio frequency system provided in the present application The external port of the transmitting module connected to the receiving module is not limited to the tenth external port, and can be flexibly set according to needs, and is not limited here.
  • the simplified connection form of the second channel selection switch may be various, for example, one T port is connected to only one P port, and the like is not limited here.
  • the external port described in the embodiment of the present application may be a port of the internal device body of the module, or may be an independent physical port derived from a wire, which is not limited here.
  • switches including any of the described channel selection switches, power detection selection switches, transmission and reception switches, first and second switching switches, and receiving port selection switches
  • the connection relationship of the ports can be full connection or simplified connection, which can be set according to specific needs.
  • the first P port can only connect to the first T port
  • the second P port can fully connect to 3 T ports.
  • Full connection refers to an internal controllable circuit structure with a built-in path, such as construction and control through a switch.
  • coaxial line in the radio frequency system described in the embodiment of the present application may also be replaced with a liquid crystal polymer material LCP soft board and the like.
  • an embodiment of the present application provides an electronic device including the radio frequency system according to any one of the foregoing embodiments.
  • the radio frequency system includes a radio frequency transceiver, a radio frequency processing circuit, and at least two antenna groups.
  • a radio frequency transceiver is connected to the radio frequency processing circuit, the radio frequency processing circuit is connected to the at least two antenna groups, the radio frequency system supports a simultaneous receiving function of the four downlink antennas, and the at least two antenna groups include a total of m antennas, m Greater than or equal to 4 and less than or equal to 8;
  • the radio frequency processing circuit includes the same number of modules as the number of groups of the at least 2 antenna groups, and the modules include a transmitting module, or a transmitting module and a receiving module, and each Each transmitting module is near the antenna group to which each transmitting module is connected, and each receiving module is near the antenna group to which each receiving module is connected;
  • the electronic device includes at least any one of the following: a mobile terminal and a base station.
  • an embodiment of the present application provides an antenna switching control method, which is applied to the electronic device described in the foregoing embodiment, where the electronic device includes a radio frequency system, and the radio frequency system includes a radio frequency transceiver, a radio frequency processing circuit, and At least two antenna groups, as shown in FIG. 4, the method includes:
  • Step 401 The electronic device controls a transmission path between a transmission port of a target frequency band of the radio frequency transceiver and a target antenna group in the radio frequency system to transmit a signal through the antenna in the target antenna group.
  • the target frequency band includes judgments such as n79, n77, and n41 of 5G NR, which are not limited here.
  • the transmitting port refers to a signal transmitting port of the radio frequency transceiver, and the target antenna group includes a first or a second or a third or a fourth antenna group.
  • the signals include SRS TX signals or other signals.
  • the electronic device can realize the flexible switching of the signal transmission function of the 4 antenna group, meet the requirements of the 5G NR uplink switching, and improve the signal transmission flexibility.
  • the radio frequency system includes a radio frequency system as shown in FIG. 3B. It is assumed that the first T port of the second channel selection switch of the first and second transmitting modules is connected to all four P ports, and the fourth T port is connected to the fourth The P port, when the electronic device including the above-mentioned radio frequency architecture is performing the SRS4 antenna round transmission or autonomous transmission switching process:
  • the electronic device controls the first T port of the second channel selection switch of the first transmission module to communicate with the first P port, and at the same time, controls the first T port of the second channel selection switch of the transmission module. It communicates with the fourth P port (corresponding to the tenth external port), and controls the internal bypass channel of the second receiving module to communicate, so as to transmit signals through the antenna groups of the first antenna group and the fourth antenna group.
  • the electronic device controls the first T port of the second channel selection switch of the second transmitting module to communicate with the first P port (corresponding to the seventh external port), and simultaneously controls the second of the second transmitting module.
  • the first T port of the channel selection switch is in communication with the fourth T port, and controls the internal bypass channel of the first receiving module to communicate, so as to transmit signals through the antennas of the second antenna group and the third antenna group.
  • the electronic device detects that antenna switching is needed, determine the signal transmission link of the target antenna group, and control the signal transmission link to communicate, so as to realize the signal transmission through the antenna of the target antenna group.
  • the signals include SRS TX signals or other signals, and other signals include signals of various types of service data.
  • an embodiment of the present application provides a schematic structural diagram of an electronic device 500.
  • the electronic device 500 includes an application processor 510, a memory 520, a communication interface 530, and one or more programs 521.
  • the one or more programs 521 are stored in the above-mentioned memory 520 and configured to be executed by the above-mentioned application processor 510, and the one or more programs 521 include instructions for performing the following steps;
  • the electronic device can implement a multi-antenna transmission function switching, and satisfy the antenna switching function in a multi-antenna architecture.
  • an embodiment of the present application provides an antenna switching control device applied to an electronic device, where the electronic device includes a radio frequency system, and the radio frequency system includes a radio frequency transceiver, a radio frequency processing circuit, and At least two antenna groups, including a processing unit 601 and a communication unit 602, where:
  • the processing unit 601 is configured to control, through the communication unit 602, a transmission path between a transmission port of a target frequency band of the radio frequency transceiver and a target antenna group in the radio frequency system. Antenna transmitting signals.
  • the antenna switching control device may further include a storage unit 603 for storing program code and data of the electronic device.
  • the processing unit 601 may be a processor
  • the communication unit 602 may be a touch display or a transceiver
  • the storage unit 603 may be a memory.
  • the electronic device can implement a multi-antenna transmission function switching, and satisfy the antenna switching function in a multi-antenna architecture.
  • An embodiment of the present application further provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program causes a computer to perform part or all of the steps of any method described in the foregoing method embodiments
  • the computer includes electronic equipment.
  • An embodiment of the present application further provides a computer program product.
  • the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute any one of the methods described in the foregoing method embodiments. Part or all of the steps of a method.
  • the computer program product may be a software installation package, and the computer includes an electronic device.
  • the disclosed device may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the above units is only a logical function division.
  • multiple units or components may be combined or integrated.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical or other forms.
  • the units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, which may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the above integrated unit may be implemented in the form of hardware or in the form of software functional unit.
  • the above integrated unit When the above integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a computer-readable memory.
  • the technical solution of the present application essentially or part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, which is stored in a memory.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • the foregoing memories include: U disks, Read-Only Memory (ROM), Random Access Memory (RAM), mobile hard disks, magnetic disks, or optical disks and other media that can store program codes.
  • the program may be stored in a computer-readable memory, and the memory may include a flash disk.
  • ROM Read-only memory
  • RAM Random Access Memory
  • magnetic disks or optical disks etc.

Abstract

本申请实施例公开了一种射频系统、天线切换控制方法及相关产品，包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；所述射频系统支持下行4天线同时接收功能，所述至少2个天线组共包括m支天线，m大于等于4小于等于8，所述射频处理电路包括与所述至少2个天线组的组数数量相同的模组，每个模组连接1个天线组，且每个模组靠近所连接的天线组设置，所述模组包括发射模组，或者发射模组和接收模组。本申请实施例提升各通道灵敏度，相比分离器件搭建，集成度更高，面积/成本/功耗更优。

Description

射频系统、天线切换控制方法及相关产品 技术领域
本申请涉及移动终端技术领域，具体涉及一种射频系统、天线切换控制方法及相关产品。
背景技术
随着智能手机等电子设备的大量普及应用，智能手机能够支持的应用越来越多，功能越来越强大，智能手机向着多样化、个性化的方向发展，成为用户生活中不可缺少的电子用品。第四代移动通信技术(the 4th Generation mobile communication technology，4G)移动通信系统中电子设备一般采用单天线或双天线射频系统架构，目前第五代移动通信技术(5th-Generation，5G)移动通信系统新空口(New Radio，NR)系统中提出支持4天线组的射频系统架构需求。
发明内容
本申请实施例提供了一种射频系统、天线切换控制方法及相关产品，以期提升各通道灵敏度，相比分离器件搭建，集成度更高，面积/成本/功耗更优。
第一方面，本申请实施例提供一种射频系统，包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；
所述射频系统支持下行4天线同时接收功能，所述至少2个天线组共包括m支天线，m大于等于4小于等于8，所述射频处理电路包括与所述至少2个天线组的组数数量相同的模组，每个模组连接1个天线组，且每个模组靠近所连接的天线组设置，所述模组包括发射模组，或者发射模组和接收模组。
第二方面，本申请实施例提供一种电子设备，包括射频系统，所述射频系统包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组，所述射频系统支持下行4天线同时接收功能，所述至少2个天线组共包括m支天线，m大于等于4小于等于8；所述射频处理电路包括与所述至少2个天线组的组数数量相同的模组，所述模组包括发射模组，或者发射模组和接收模组，且每个发射模组靠近所述每个发射模组所连接的天线组，每个接收模组靠近所述每个接收模组所连接的天线组；
所述电子设备至少包括以下任意一种：移动终端、基站。
第三方面，本申请实施例提供一种天线切换控制方法，应用于电子设备，所述电子设备包括射频系统，所述射频系统包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；所述方法包括：
控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
第四方面，本申请实施例提供一种天线切换控制装置，应用于电子设备，所述电子设备包括射频系统，所述射频系统包括，射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；所述天线切换控制装置包括处理单元和通信单元，其中，
所述处理单元，用于通过所述通信单元控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
第五方面，本申请实施例提供一种电子设备，包括处理器、存储器、通信接口，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述处理器执行，所述程序包括用于执行如第三方面所述的方法中的步骤的指令。
第六方面，本申请实施例提供一种计算机可读存储介质，存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如第三方面所述的方法。
可以看出，本申请实施例中，由于射频系统中的各个模组靠近对应天线组设置，且仅需要接收模组和发射模组即可构建核心处理电路，有利于提升各通道灵敏度，相比分离器件搭建，集成度更高，面积/成本/功耗更优。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1A是本申请实施例提供的一种接收模组的结构示意图；
图1B是本申请实施例提供的另一种接收模组的结构示意图；
图2是本申请实施例提供的一种发射模组的结构示意图；
图3A是本申请实施例提供的一种射频系统的结构示意图；
图3B是本申请实施例提供的一种射频系统的结构示意图；
图4是本申请实施例提供的一种天线切换控制方法的流程示意图；
图5是本申请实施例提供的一种电子设备的结构示意图；
图6是本申请实施例提供的一种天线切换控制装置的功能单元组成框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其他步骤或单元。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
本申请实施例所涉及到的电子设备可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其他处理设备，以及各种形式的用户设备(User Equipment，UE)，移动台(Mobile Station，MS)，终端设备(terminal device)等等。为方便描述，上面提到的设备统称为电子设备。
目前，手机的SRS切换switching4天线发射功能是中国移动通信集团CMCC在《中国移动5G规模试验技术白皮书_终端》中的必选项，在第三代合作伙伴计划3GPP中为可选，其主要目的是为了基站通过测量手机4天线上行信号，进而确认4路信道质量及参数，根据信道互易性再针对4路信道做下行最优化多输入多输出Massive MIMO天线阵列的波束赋形，最终使下行4x4MIMO获得最佳数据传输性能。
其中，所述电子设备具体可以是5G NR手机终端或其他5G NR终端设备，例如客户签约设备(Customer Premise Equipment，CPE)或者便携式宽带无线装置(Mobile Wifi，MIFI)。
定义本申请实施例所呈现的射频系统中的模组(包括接收模组和发射模组)的原因如下，①5G NR需要下行4x4MIMO或4路分集接收；②TX SRS switching4天线轮发(可选)；③发射天线切换功能(可选)④sub 6GHz的频段范围在3.3～4.2G及4.4～5G。此频段相对LTE 600～2700MHz的频段，频率更高。因此RF cable(同轴线)从主板一侧到另一侧，以及从主板到副板(又称为下板)，RF cable损耗较大；
而系统灵敏度公式Ps＝10lg(KT)+10lg(BW)+NF+SNR，
K:波尔兹曼常数(1.38×E-23  单位:J/K)
T:绝对温度(273.15  单位:K)公式中采用20℃常温，故T＝293.15
NF：噪声系数Noise figure
BW：带宽
SNR：最小解调门限，由平台供应商(高通，MTK)基带算法决定。
在此公式中，K，T为固定常数，BW由测试带宽确认，SNR由系统基带算法决定，
NF公式如下，
Figure PCTCN2019089887-appb-000001
其中NF 1＝IL pre-1st LNA+NF 1st LNA其中IL pre-1st LNA为第一级LNA之前的插损，NF 1st LNA为第一级的噪声系数。这2者是整个NF的主要贡献部分。
而
Figure PCTCN2019089887-appb-000002
为后级噪声系数贡献部分，一般的，Gn>15，NF2～NFn<5，这部分对NF的贡献较小。
综上所述，在射频前端设计中，为提升灵敏度，就需要减小整个NF值。而NF 1又是主要贡献者，NF 1中，除了使用外置LNA来减小NF 1st LNA外，如何减小IL pre-1st LNA变为至关重要的改善手段，即如何减小第一级LNA之前的插损。
本申请实施例中，定义了一种5G NR射频系统，可以将此射频系统中的接收模组和发射模组放置在天线附近，从而达到减小第一级LNA之前插损，改善系统灵敏度的目的。
第一方面，本申请实施例提出一种接收模组，应用于射频系统，所述射频系统支持3个频段；包括3路信号接收通道、第一切换开关、第二切换开关，所述第一切换开关连接所述3路信号接收通道，所述3路信号接收通道连接所述第二切换开关；
所述第一切换开关包括SP5T开关，所述第二切换开关包括SP4T开关，每路信号接收通道包括滤波器Filter和低噪声放大器LNA，所述LNA连接所述Filter；
所述第一切换开关用于连接所述接收模组对应的天线组的天线，所述第二切换开关用于连接发射模组，且所述接收模组靠近所述天线组设置。
可见，本示例中，由于接收模组集成3路信号接收通道，且靠近对应天线组设置，可以降低链路插损，有利于提升通道灵敏度，相比分离器件搭建，集成度更高，面积/成本/ 功耗更优。
在一个可能的示例中，所述接收模组的所述第一切换开关和所述第二切换开关之间还设置有1路内置旁路通道，所述内置旁路通道用于连接发射模组以支持所述接收模组信号发射功能。
其中，所述接收模组还包括1个辅助端口AUX，所述AUX连接所述第一切换开关，所述辅助端口用于连接发射模组以支持所述接收模组的信号发射功能。由于相对于外置旁路通道减少了一个开关，故而可以进一步降低通路插损。
其中，所述接收模组还包括2个辅助端口AUX，即第一AUX和第二AUX，所述第一AUX连接第一切换开关，所述第二AUX连接第二切换开关，所述第一AUX和所述第二AUX之间设置有外置旁路通道，所述外置旁路通道用于连接发射模组以支持所述接收模组的信号发射功能。
其中，所述接收模组还包括3个辅助端口AUX，即第一AUX、第二AUX和第三AUX，所述第一AUX和所述第二AUX连接所述第一切换开关，所述第三AUX连接第二切换开关，所述第一AUX或者所述第二AUX用于连接发射模组以支持所述接受模组的信号发射功能；或者，
所述第一AUX与所述第三AUX或者所述第二AUX与所述第三AUX用于接入外置旁路通道，所述外置旁路通道用于连接发射模组以支持所述接收模组的信号发射功能。
其中，所述接收模组支持信号发射功能；
所述接收模组设置于电子设备的主板上时，所述接收模组的连接所述第一切换开关的1个AUX用于连接发射模组；或者，
所述接收模组设置于电子设备的副板上时，所述第一AUX与所述第三AUX连接或者所述第二AUX与所述第三AUX连接。
可见，该接收模组能够减小接收通路的NF，提升接收灵敏度。
此外，该接收模组还包括以下特点：
(1)每个接收模组对应连接1个天线组(包括1支或2支天线)，且设置位置靠近所连接的天线(的馈点)位置；
(2)针对新空口NR载波聚合CA场景，需要多信号接收通道同时工作时，该接收模组可以通过增加合路器来实现多条通道同时工作，此种方式增加器件，但无需增加cable线，走线更加精简。此外，还可以通过2个滤波器共用端口+特殊设计(即组成双工器或多工器)，可以完成合路行为，此种方式无需增加cable线和器件，成本和面积更好控制。
(3)此模组自带屏蔽层或不带屏蔽层(不带屏蔽层时需另建屏蔽罩)；
此外，所述接收模组还包括移动产业处理器接口MIPI和/或通用输入/输出GPIO控制单元，所述MIPI控制单元和/或所述GPIO控制单元用于控制所述接收模组中的器件，所述器件包括以下任意一种：第一切换开关、第二切换开关。
下面对本申请实施例所提供的接收模组的形态进行详细说明。
如图1A所示，该接收模组包括3个低噪声放大器LNA，3个滤波器，1个辅助端口、2个切换开关(用于连接天线的第一切换开关，包括SP5T开关，用于连接射频收发器和/或发射模组的第二切换开关，包括SP4T开关)以及内置Bypass通道。Nx、Ny、Nz对应3个频段。该接收模组还可以包括MIPI和/或GPIO控制单元完成LNA/开关切换控制。
其中，第一切换开关(包括SP3T开关)的P端口连接天线，该第一切换开关的第一T端口连接辅助端口AUX，第二第三第四T端口分别连接第一第二第三滤波器，第一滤波器连接第一低噪声放大器LNA，第二滤波器连接第二LNA，第三滤波器连接第三LNA，第一第二第三LNA连接第二切换开关的第一第二第三T端口，该第一切换开关的第五T端 口和第二切换开关的第四T端口之间设置有内置旁路通道，第二切换开关的P端口连接发射模组和/或射频收发器。
如图1B所示，该接收模组包括3个低噪声放大器LNA，3个滤波器，3个辅助端口AUX(第一第二AUX连接第一切换开关，第三AUX连接第二切换开关，第一AUX与第三AUX或者第二AUX与第三AUX用于连接外置旁路通道以支持接收模组的信号发射功能，第一或第二AUX用于连接发射模组以支持接收模组的信号发射功能)、2个切换开关(用于连接天线的第一切换开关，包括SP5T开关，用于连接射频收发器和/或发射模组的第二切换开关，包括SP4T开关)。Nx、Ny、Nz对应3个频段。该接收模组还可以包括MIPI和/或GPIO控制单元完成LNA/开关切换控制。
其中，第一切换开关的P端口连接天线，该第一切换开关的第一T端口连接第一辅助端口AUX，第二第三第四T端口连接第一第二第三滤波器，第一滤波器连接第一低噪声放大器LNA，第二滤波器连接第二LNA，第三滤波器连接第三LNA，第一第二第三LNA连接切尔切换开关的第一第二第三T端口，该第一切换开关的第五T端口和第二切换开关的第四T端口之间用于连接外置旁路通道，第二切换开关的P端口连接发射模组。
可以看出，本申请实施例中，由于接收模组能够通过内置或者外置旁路通道支持天线的信号发射功能切换，且接收模组靠近对应本端所连接的天线组设置，有利于提升各通道灵敏度，此外集成式模组相比分离器件搭建，集成度更高，面积/成本/功耗更优。
第二方面，本申请实施例提出一种发射模组，应用于射频系统，所述射频系统支持3个频段；所述发射模组包括3路信号收发处理电路、1个功率耦合器和2个通道选择开关(第一通道选择开关包括SP3T开关，第二通道选择开关包括4P4T开关)，所述3路信号收发处理电路连接所述第一通道选择开关，所述第一通道选择开关连接所述功率耦合器，所述功率耦合器连接所述第二通道选择开关，所述第二通道选择开关中为简化连接的通道选择开关。
所述第二通道选择开关连接所述发射模组所对应的天线组，且所述发射模组靠近所述天线组设置。
其中，所述简化连接的通道选择开关是指包括1个或多个非全连接端口的通道选择开关，所述非全连接端口是指未连接所有对端端口的端口，如4P4T开关中，第一个T端口可以全连接4个P端口，第二第三第四T端口中每个T端口可以仅连接1个P端口。
可见，本示例中，由于发射模组集成信号收发处理电路，且包含简化连接的通道选择开关，能够降低射频链路开关数量，降低链路插损，有利于提升各通道灵敏度，相比分离器件搭建，集成度更高，面积/成本/功耗更优。
在一个可能的示例中，所述第二通道选择开关连接所述发射模组所对应的天线组。
在一个可能的示例中，每路信号收发处理电路包括1个PA、1个LNA、1个收发切换开关、1个Filter，所述PA和所述LNA连接所述收发切换开关，所述收发切换开关连接所述Filter，所述3路信号收发处理电路连接所述第一通道选择开关，所述第一通道选择开关连接功率耦合器，所述功率耦合器连接所述第二通道选择开关，所述收发切换开关包括SPDT开关。
其中，所述信号收发处理电路的所述PA的输入端口用于连接射频收发器的信号发射端口，所述信号收发处理电路的所述LNA的输出端口用于连接所述射频收发器的信号接收端口，所述功率耦合器用于连接所述射频收发器的功率检测PDET端口。
其中，所述第一和/或第二通道选择开关中至少3个端口用作所述发射模组的外接端口，其中1个或2个外接端口用于连接天线组的天线，剩余外接端口用于连接接收模组和/或所述射频收发器和/或其他发射模组的信号接收端口。
其中，所述发射模组还包括移动产业处理器接口MIPI和/或通用输入/输出GPIO控制单元，所述MIPI控制单元和/或所述GPIO控制单元用于控制所述发射模组中的器件，所述器件包括以下任意一种：收发切换开关、通道选择开关、功率检测选择开关。
下面结合具体示例进行说明。
如图2所示，该发射模组包括3路信号收发处理电路、1个功率耦合器和2个通道选择开关，每路信号收发处理电路包括1个功率放大器PA、1个低噪声放大器LNA、1个收发切换开关(包括SPDT开关)、1个滤波器，第一PA和第一LNA连接第一收发切换开关，所述第一收发切换开关连接第一滤波器，第二PA和第二LNA连接第二收发切换开关，所述第二收发切换开关连接第二滤波器，第三PA和第三LNA连接第三收发切换开关，所述第三收发切换开关连接第三滤波器，第一第二第三滤波器连接第一通道选择开关，所述第一通道选择开关连接功率耦合器，功率耦合器连接第二通道选择开关。该发射模组连还可以包括MIPI和/或GPIO控制单元完成PA/LNA/功率耦合器Coupler/开关切换控制。
第一PA的输入端口对应发射模组的第一外接端口，第一LNA的输出端口对应发射模组的第二外接端口，第二PA的输入端口对应发射模组的第三外接端口，第二LNA的输出端口对应发射模组的第四外接端口，第三PA的输入端口对应发射模组的第五外接端口，第三LNA的输出端口对应发射模组的第六外接端口，第二通道选择开关的第一第二第三第四P端口对应发射模组的第七第八第九第十外接端口，功率耦合器的端口对应发射模组的第十一外接端口，第二通道选择开关的第二第三第四T端口对应发射模组的第十二十三十四外接端口。
其中，第一、第三、第五外接端口用于连接射频收发器的信号发射端口，第七外接端口用于连接对应的天线组的天线，第八、第九、第十外接端口用于连接接收模组或者用于连接接收模组和发射模组，第十一外接端口用于连接射频收发器的功率检测PDET端口，第二、第四、第六、第十二、第十三、第十四外接端口中的外接端口用于连接射频收发器的信号接收端口或者接收端口选择开关，或者，第十二、第十三、第十四外接端口中的外接端口用于连接其他发射模组的外接端口。
第三方面，通过如上接收模组和发射模组的定义，组成支持电子设备的5G射频架构，上述接收模组和发射模组应用于电子设备，如图3A所示，所述射频系统包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；
所述射频系统支持下行4天线同时接收功能，所述至少2个天线组共包括m支天线，m大于等于4小于等于8，所述射频处理电路包括与所述至少2个天线组的组数数量相同的模组，每个模组连接1个天线组，且每个模组靠近所连接的天线组设置，所述模组包括发射模组，或者发射模组和接收模组。
具体的，m为4，至少2个天线组为4个天线组，射频处理电路包括2个发射模组和2个接收模组，其中第一发射模组靠近第一天线组设置，第二发射模组靠近第二天线组设置，第一接收模组靠近第三天线组设置，第二接收模组靠近第四天线组设置。
可见，本示例中，由于射频系统中的各个模组靠近对应天线组设置，且仅需要接收模组和发射模组即可构建核心处理电路，有利于提升各通道灵敏度，相比分离器件搭建，集成度更高，面积/成本/功耗更优。
在一个可能的示例中，所述射频系统支持双发射模式时，所述射频处理电路包括2个发射模组。
其中，所述2个发射模组设置于主板上。
其中，m＝4，所述至少2个天线组包括4个天线组，每个天线组包括1支天线；所述 射频处理电路还包括2个接收模组；所述2个接收模组设置于副板上。
在一个可能的示例中，所述射频收发器连接所述发射模组；所述发射模组连接设置于副板上的接收模组以支持所述接收模组的信号接收与发射功能，其中信号发射功能需要接收模组的旁路通道连通。
在一个可能的示例中，所述射频处理电路还包括2个接收端口选择开关，每个接收端口选择开关连接射频收发器的信号接收端口，以及连接对应的发射模组，该接收端口选择开关包括SP3T开关。
下面对本申请实施例提供的射频系统进行详细介绍。
如图3B所示，该示例射频架构支持以下功能：①5G NR 3频段；②不支持UL CA；③不支持DL CA；④支持4天线SRS switching；⑤支持NR 2T4R(单个频段2路发射4路接收)。
该5G射频架构包括射频收发器、2个发射模组、2个接收模组、2个接收端口选择开关和4个天线组，每个天线组包括1支天线，其中，射频收发器、第一第二发射模组、第一第二接收端口选择开关设置于主板上(对应附图中电池上侧)，第一第二接收模组设置于副板上(对应附图中电池下侧)。
其中，第一发射模组靠近第一天线组设置，第二发射模组靠近第二天线组设置，第一接收模组靠近第三天线组设置，第二接收模组靠近第四天线组设置，且具体是靠近天线的馈点位置设置，相对距离可以从1-100毫米不等。
其中，发射模组的内部器件结构和连接关系如图2所示，接收模组的内部器件结构和连接关系如图1A所示，第一第二发射模组的第二通道选择开关的第一个T端口全连接4个P端口，第四T端口连接第四P端口；第一接收模组的第二切换开关的P端口连接第二发射模组的第十外接端口，以支持第一接收模组的信号收发功能，第二接收模组的第二切换开关的P端口连接发射模组的第十外接端口，以支持第二接收模组的信号收发功能。第一第二接收端口选择开关包括SP3T开关，且第一接收端口选择开关连接第一发射模组的第十四外接端口，第二接收端口选择开关连接第二发射模组的第十四外接端口。
射频收发器的第一频段的第一发射端口Nx TX1连接第一发射模组的第一外接端口，第二频段的第一发射端口Ny TX1连接第一发射模组的第三外接端口，第三频段的第一发射端口Nz TX1连接第一发射模组的第五外接端口，第一频段的第二发射端口Nx TX2连接第二发射模组的第一外接端口，第二频段的第二发射端口Ny TX2连接第二发射模组的第三外接端口，第三频段的第二发射端口Nz TX2连接第二发射模组的第五外接端口，第一频段的第一接收端口Nx RX1连接第一发射模组的第二外接端口，第二频段的第一接收端口Ny RX1连接第一发射模组的第四外接端口，第三频段的第一接收端口Nz RX1连接第一发射模组的第六外接端口，第一频段的第二接收端口Nx RX2连接第二发射模组的第二外接端口，第二频段的第二接收端口Ny RX2连接第二发射模组的第四外接端口，第三频段的第二接收端口Nz RX2连接第二发射模组的第六外接端口，第一频段的第三接收端口Nx RX3、第二频段的第三接收端口Ny RX3、第三频段的第三接收端口Nz RX3分别连接第一接收端口选择开关的3个T端口，第一频段的第四接收端口Nx RX4、第二频段的第四接收端口Ny RX4、第三频段的第四接收端口Nz RX4分别连接第二接收端口选择开关的3个T端口，第一接收端口选择开关的P端口连接第一发射模组的第十四外接端口，第二接收端口选择开关的P端口连接第二发射模组的第十四外接端口。射频收发器的第一功率检测端口PDET1连接第一发射模组的第十一外接端口，第二PDET2连接第二发射模组的第十一外接端口。
第一天线组连接第一发射模组的第七外接端口，第二天线组连接第二发射模组的第七 外外接端口，第三天线组连接第一接收模组的第一切换开关(包括SP3T开关)的P端口，第四天线组连接第二接收模组的第一切换开关(包括SP3T开关)的P端口。
上述射频架构应用于电子设备，电子设备控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
具体实现中，假设第一第二发射模组的第二通道选择开关的第一个T端口全连接4个P端口，第四T端口连接第四P端口，则包含上述射频架构的电子设备在执行SRS4天线轮发或者自主发射切换的过程中：
第一个发射周期中，电子设备控制第一发射模组的第二通道选择开关的第一T端口与第一P端口连通，同时，控制发射模组的第二通道选择开关的第一T端口与第四个P端口(对应第十外接端口)连通，并控制第二接收模组的内置旁路通道连通，实现通过第一天线组和第四天线组的天线组发射信号。
第二个发射周期中，电子设备控制第二发射模组的第二通道选择开关的第一T端口与第一P端口(对应第七外接端口)连通，同时控制第二发射模组的第二通道选择开关的第一T端口与第四T端口连通，并控制第一接收模组的内置旁路通道连通，实现通过第二天线组和第三天线组的天线发射信号。
或者，在任意时刻，当电子设备检测到需要进行天线切换时，确定目标天线组的信号发射链路，并控制该信号发射链路连通，以实现通过该目标天线组的天线发射信号，所述信号包括SRS TX信号或者其他信号，其他信号包括各类业务数据的信号。
需要说明的是，本申请实施例所提供的发射模组和接收模组的外接端口有冗余，此举是为了模块统一化以便捷支持多种射频系统，具体在本申请所提供的射频系统中，发射模组的连接接收模组的外接端口并不限于第十外接端口，可以根据需要灵活设置，此处不做唯一限定。
此外，上述第二通道选择开关的简化连接形态可以是多种多样的，如1个T端口仅连接1个P端口等，此处不做唯一限定。
此外，本申请实施例所描述的外接端口可以是模组内部器件本体的端口，也可以是通过电线引出的独立物理端口，此处不做唯一限定。上述各类n1Pn2T(n1大于等于2，n2大于等于2)开关(包括描述的通道选择开关、功率检测选择开关、收发切换开关、第一第二切换开关、接收端口选择开关等任意开关)的内部端口的连接关系可以是全连接或者简化连接，具体可以根据需要对应设置，如4P4T开关中，第一个P端口可以仅连接第一个T端口，第二个P端口可以全连接3个T端口，全连接是指具备建立通路的内部可控电路结构，如通过开关管构建和控制等。
此外，本申请实施例所描述的射频系统中的同轴线，也可能替换成液晶聚合物材料LCP软板等。
第四方面，本申请实施例提供了一种电子设备，包括如上述实施例任一方面所述的射频系统，所述射频系统包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组，所述射频系统支持下行4天线同时接收功能，所述至少2个天线组共包括m支天线，m大于等于4小于等于8；所述射频处理电路包括与所述至少2个天线组的组数数量相同的模组，所述模组包括发射模组，或者发射模组和接收模组，且每个发射模组靠近所述每个发射模组所连接的天线组，每个接收模组靠近所述每个接收模组所连接的天线组；
所述电子设备至少包括以下任意一种：移动终端、基站。
第五方面，本申请实施例提供了一种天线切换控制方法，应用于上述实施例所述的电 子设备，所述电子设备包括射频系统，所述射频系统包括，射频收发器、射频处理电路和至少2个天线组，如图4所示，所述方法包括：
步骤401，所述电子设备控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
其中，目标频段包括5G NR的n79、n77、n41等判断，此处不做唯一限定。发射端口是指射频收发器的信号发射端口，目标天线组包括第一或第二或第三或第四天线组。信号包括SRS TX信号或者其他信号。
可见，本示例中，电子设备能够实现4天线组的信号发射功能的灵活切换，满足5G NR的上行链路切换的要求，提高信号发射灵活性。
具体实现中，射频系统包括如图3B所示的射频系统，假设第一第二发射模组的第二通道选择开关的第一个T端口全连接4个P端口，第四T端口连接第四P端口，则包含上述射频架构的电子设备在执行SRS4天线轮发或者自主发射切换的过程中：
第一个发射周期中，电子设备控制第一发射模组的第二通道选择开关的第一T端口与第一P端口连通，同时，控制发射模组的第二通道选择开关的第一T端口与第四个P端口(对应第十外接端口)连通，并控制第二接收模组的内置旁路通道连通，实现通过第一天线组和第四天线组的天线组发射信号。
第二个发射周期中，电子设备控制第二发射模组的第二通道选择开关的第一T端口与第一P端口(对应第七外接端口)连通，同时控制第二发射模组的第二通道选择开关的第一T端口与第四T端口连通，并控制第一接收模组的内置旁路通道连通，实现通过第二天线组和第三天线组的天线发射信号。
或者，在任意时刻，当电子设备检测到需要进行天线切换时，确定目标天线组的信号发射链路，并控制该信号发射链路连通，以实现通过该目标天线组的天线发射信号，所述信号包括SRS TX信号或者其他信号，其他信号包括各类业务数据的信号。
第六方面，如图5所示，本申请实施例提供了电子设备500的结构示意图，所述电子设备500包括应用处理器510、存储器520、通信接口530以及一个或多个程序521，其中，所述一个或多个程序521被存储在上述存储器520中，并且被配置由上述应用处理器510执行，所述一个或多个程序521包括用于执行以下步骤的指令；
控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
可以看出，本申请实施例中，电子设备可以实现多天线发射功能切换，满足多天线架构中的天线切换功能。
第七方面，如图6所示，本申请实施例提供了一种天线切换控制装置，应用于电子设备，所述电子设备包括射频系统，所述射频系统包括，射频收发器、射频处理电路和至少2个天线组，包括处理单元601和通信单元602，其中，
所述处理单元601，用于通过所述通信单元602控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
其中，所述天线切换控制装置还可以包括存储单元603，用于存储电子设备的程序代码和数据。所述处理单元601可以是处理器，所述通信单元602可以是触控显示屏或者收发器，存储单元603可以是存储器。
可以看出，本申请实施例中，电子设备可以实现多天线发射功能切换，满足多天线架构中的天线切换功能。
本申请实施例还提供一种计算机存储介质，其中，该计算机存储介质存储用于电子数 据交换的计算机程序，该计算机程序使得计算机执行如上述方法实施例中记载的任一方法的部分或全部步骤，上述计算机包括电子设备。
本申请实施例还提供一种计算机程序产品，上述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，上述计算机程序可操作来使计算机执行如上述方法实施例中记载的任一方法的部分或全部步骤。该计算机程序产品可以为一个软件安装包，上述计算机包括电子设备。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本申请并不受所描述的动作顺序的限制，因为依据本申请，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本申请所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置，可通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如上述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性或其它的形式。
上述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
上述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储器中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储器中，包括若干指令用以使得一台计算机设备(可为个人计算机、服务器或者网络设备等)执行本申请各个实施例上述方法的全部或部分步骤。而前述的存储器包括：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储器中，存储器可以包括：闪存盘、只读存储器(英文：Read-Only Memory，简称：ROM)、随机存取器(英文：Random Access Memory，简称：RAM)、磁盘或光盘等。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。以上是本申请实施例的实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请实施例原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本申请的保护范围。

Claims (20)

  1. 一种射频系统，其特征在于，包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；
    所述射频系统支持下行4天线同时接收功能，所述至少2个天线组共包括m支天线，m大于等于4小于等于8，所述射频处理电路包括与所述至少2个天线组的组数数量相同的模组，每个模组连接1个天线组，且每个模组靠近所连接的天线组设置，所述模组包括发射模组，或者发射模组和接收模组。
  2. 根据权利要求1所述的射频系统，其特征在于，所述射频系统支持双发射模式，所述射频处理电路包括2个发射模组。
  3. 根据权利要求2所述的射频系统，其特征在于，所述2个发射模组设置于主板上。
  4. 根据权利要求2或3所述的方法，其特征在于，m＝4，所述至少2个天线组包括4个天线组，每个天线组包括1支天线；所述射频处理电路还包括2个接收模组；所述2个接收模组设置于副板上。
  5. 根据权利要求4所述的射频系统，其特征在于，所述射频收发器连接所述发射模组；所述发射模组连接设置于副板上的接收模组以支持所述接收模组的信号接收与发射功能。
  6. 根据权利要求5所述的射频系统，其特征在于，所述射频处理电路还包括2个接收端口选择开关，每个接收端口选择开关连接射频收发器的信号接收端口，以及连接所述发射模组，所述接收端口选择开关包括SP3T开关。
  7. 根据权利要求6所述的射频系统，其特征在于，所述射频系统支持3个频段；所述发射模组包括3路信号收发处理电路、1个功率耦合器和2个通道选择开关，所述3路信号收发处理电路连接所述2个通道选择开关中的第一通道选择开关，所述第一通道选择开关连接所述功率耦合器，所述功率耦合器连接所述2个通道选择开关中的第二通道选择开关；
    所述第一通道选择开关SP3T开关，所述第二通道选择开关包括4P4T开关，且所述第二通道选择开关中为简化连接的通道选择开关。
  8. 根据权利要求7所述的射频系统，其特征在于，所述第二通道选择开关连接所述发射模组所对应的天线组。
  9. 根据权利要求1-8任一项所述的射频系统，其特征在于，所述射频系统支持3个频段；所述接收模组包括3路信号接收通道、第一切换开关、第二切换开关，所述第一切换开关连接所述3路信号接收通道，所述3路信号接收通道连接所述第二切换开关；
    所述第一切换开关包括SP5T开关，所述第二切换开关包括SP4T开关，每路信号接收通道包括滤波器Filter和低噪声放大器LNA，所述LNA连接所述Filter；
    所述第一切换开关用于连接所述接收模组对应的天线组的天线，所述第二切换开关用于连接发射模组，且所述接收模组靠近所述天线组设置。
  10. 根据权利要求9所述的射频系统，其特征在于，所述接收模组的所述第一切换开关和所述第二切换开关之间还设置有1路内置旁路通道，所述内置旁路通道用于连接发射模组以支持所述接收模组的信号发射功能。
  11. 根据权利要求9所述的射频系统，其特征在于，所述接收模组还包括1个辅助端口AUX，所述AUX连接所述第一切换开关的1个T端口，所述AUX用于连接发射模组以支持所述接收模组的信号发射功能。
  12. 根据权利要求9所述的射频系统，其特征在于，所述接收模组的所述第一切换开关和所述第二切换开关之间还设置有1路内置旁路通道，所述内置旁路通道用于连接发射模组以支持所述接收模组的信号发射功能；和，所述接收模组还包括1个辅助端口AUX， 所述AUX连接所述第一切换开关的1个T端口，所述AUX用于连接发射模组以支持所述接收模组的信号发射功能。
  13. 根据权利要求9所述的射频系统，其特征在于，所述接收模组还包括2个AUX，所述2个AUX分别连接所述第一切换开关和所述第二切换开关，且所述第一切换开关和所述第二切换开关之间用于设置外置旁路通道以支持所述接收模组的信号发射功能。
  14. 根据权利要求9所述的射频系统，其特征在于，所述接收模组还包括3个AUX，其中第一AUX、第二AUX连接所述第一切换开关，第三AUX连接所述第二切换开关，所述第一AUX与所述第三AUX或者所述第二AUX与所述第三AUX之间用于设置所述外置旁路电路以支持所述接收模组的信号发射功能，或者，所述第一或第二AUX用于连接发射模组以支持所述接收模组的信号发射功能。
  15. 一种电子设备，其特征在于，包括射频系统，所述射频系统包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组，所述射频系统支持下行4天线同时接收功能，所述至少2个天线组共包括m支天线，m大于等于4小于等于8；所述射频处理电路包括与所述至少2个天线组的组数数量相同的模组，所述模组包括发射模组，或者发射模组和接收模组，且每个发射模组靠近所述每个发射模组所连接的天线组，每个接收模组靠近所述每个接收模组所连接的天线组；
    所述电子设备至少包括以下任意一种：移动终端、基站。
  16. 一种天线切换控制方法，其特征在于，应用于电子设备，所述电子设备包括射频系统，所述射频系统包括射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；所述方法包括：
    控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
  17. 根据权利要求16所述的方法，其特征在于，所述目标频段包括以下任意一种：n79、n77、n41。
  18. 一种天线切换控制装置，其特征在于，应用于电子设备，所述电子设备包括射频系统，所述射频系统包括，射频收发器、射频处理电路和至少2个天线组，所述射频收发器连接所述射频处理电路，所述射频处理电路连接所述至少2个天线组；所述天线切换控制装置包括处理单元和通信单元，其中，
    所述处理单元，用于通过所述通信单元控制所述射频系统中所述射频收发器的目标频段的发射端口与目标天线组之间的发射通路导通，通过所述目标天线组中的天线发射信号。
  19. 一种电子设备，其特征在于，包括处理器、存储器、通信接口，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述处理器执行，所述程序包括用于执行如权利要求16或17所述的方法中的步骤的指令。
  20. 一种计算机可读存储介质，其特征在于，存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如权利要求16或17所述的方法。
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