WO2023016199A1 - 射频系统和通信设备 - Google Patents

射频系统和通信设备 Download PDF

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Publication number
WO2023016199A1
WO2023016199A1 PCT/CN2022/106448 CN2022106448W WO2023016199A1 WO 2023016199 A1 WO2023016199 A1 WO 2023016199A1 CN 2022106448 W CN2022106448 W CN 2022106448W WO 2023016199 A1 WO2023016199 A1 WO 2023016199A1
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WIPO (PCT)
Prior art keywords
module
radio frequency
power supply
unit
amplifying
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PCT/CN2022/106448
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English (en)
French (fr)
Inventor
陈锋
仝林
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Oppo广东移动通信有限公司
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Publication of WO2023016199A1 publication Critical patent/WO2023016199A1/zh

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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 antennas, in particular to a radio frequency system and communication equipment.
  • a radio frequency architecture capable of supporting a Non-Standalone (NSA) mode to support a Standalone (SA) mode For a communication device supporting 5G communication technology, its communication device is usually based on a radio frequency architecture capable of supporting a Non-Standalone (NSA) mode to support a Standalone (SA) mode.
  • SA Standalone
  • the dual connection mode of 4G signal and 5G signal is usually adopted.
  • multiple discrete power amplification modules can be set in the radio frequency system to realize the dual transmission of 4G signals and 5G signals, which takes up a lot of space and costs high. Therefore, how to provide a radio frequency architecture capable of supporting the SA mode and occupying a small space is a technical problem to be solved by those skilled in the art.
  • a radio frequency system and a communication device are provided.
  • a radio frequency system comprising:
  • a power supply module configured to provide a power supply voltage
  • An amplifying module configured with a power supply port for connecting to the power supply module; wherein the amplifying module includes:
  • a first amplifying unit connected to the first power supply port, configured to amplify the received low-frequency signal under the action of the power supply voltage
  • a second amplifying unit connected to the second power supply port, configured to amplify the received intermediate frequency signal under the action of the power supply voltage
  • a third amplifying unit connected to the second power supply port, configured to amplify the received first high-frequency signal under the action of the power supply voltage
  • the fourth amplifying unit is connected to the second power supply port, and is used to amplify the received second high-frequency signal under the action of the power supply voltage; the frequency of the second high-frequency signal is higher than that of the first the frequency of a high-frequency signal;
  • the radio frequency system is used to select and output the radio frequency signal processed by any one of the amplifying units.
  • a communication device comprising: the foregoing radio frequency system.
  • the above-mentioned radio frequency system and communication equipment include a power supply module and an amplification module.
  • the first amplification unit, the second amplification unit, the third amplification unit and the fourth amplification unit are integrated in the amplification module, and each amplification unit can be powered by the power supply module.
  • each amplification unit can be powered by the power supply module.
  • Under the action of voltage it corresponds to the power amplification processing of low-frequency signals, intermediate-frequency signals, high-frequency signals and ultra-high-frequency signals, and then can realize the transmission of radio frequency signals (for example, 5G NR signals) in the whole frequency band, so that the radio frequency system Being able to work in the SA mode provides a brand-new radio frequency system in the SA mode, which can improve the integration degree of the radio frequency system and reduce the cost at the same time.
  • radio frequency signals for example, 5G NR signals
  • FIG. 1 is one of the framework schematic diagrams of a radio frequency system in an embodiment
  • Fig. 2 is the second schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 3 is the third schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 4 is a fourth schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 5 is a fifth schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 6 is a sixth schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 7 is a seventh schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 8 is the eighth schematic diagram of the framework of the radio frequency system in an embodiment
  • FIG. 9 is a ninth schematic diagram of the framework of the radio frequency system in an embodiment.
  • FIG. 10 is a tenth schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 11 is the eleventh schematic diagram of the framework of the radio frequency system in an embodiment
  • FIG. 12 is the twelveth schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 13 is the thirteenth schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 14 is the fourteenth schematic diagram of the framework of the radio frequency system in an embodiment
  • Fig. 15 is a schematic structural diagram of a communication device in an embodiment.
  • first, second and the like used in this application may be used to describe various elements herein, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element.
  • a first antenna could be termed a second antenna, and, similarly, a second antenna could be termed a first antenna, without departing from the scope of the present application.
  • Both the first antenna and the second antenna are antennas, but they are not the same antenna.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • plural means at least two, such as two, three, etc., unless otherwise specifically defined.
  • severeal means at least one, such as one, two, etc., unless otherwise specifically defined.
  • the radio frequency system involved in the embodiments of the present application can be applied to communication devices with wireless communication functions, and the communication devices can be handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, and various forms of A user equipment (User Equipment, UE) (for example, a mobile phone), a mobile station (Mobile Station, MS) and so on.
  • UE User Equipment
  • MS Mobile Station
  • An embodiment of the present application provides a radio frequency system.
  • the radio frequency system provided by the embodiment of the present application is configured to support a 5G new air interface (New Radio, NR) independent networking working mode (Standalone, SA) and a long term evolution network (long term evolution, LTE) working mode supporting 4G LTE. That is, the radio frequency system provided by the embodiment of the present application can work in the SA working mode) and the LTE working mode (or referred to as the LTE only working mode). That is, the radio frequency system can support receiving and transmitting 5G signals, and further can support 5G services.
  • 5G NR signals can include full-band 5G NR signals.
  • 5G NR signals may include 5G NR signals in low-frequency bands, intermediate-frequency bands, high-frequency bands, and ultra-high-frequency bands.
  • the radio frequency system can also support receiving and transmitting 4G LTE signals, and then can support 4G services.
  • the 4G LTE signal may include a full-band 4G LTE signal.
  • the 4G LTE signal may include 4G LTE in a low-frequency band, an intermediate-frequency band, and a high-frequency band.
  • the radio frequency system provided by the embodiment of the present application includes: a power supply module 110 and an amplification module 130 .
  • the power supply module 110 is used to provide a power supply voltage.
  • the power supply module 110 may include a power management chip (Power management IC, PMIC).
  • RF PMIC#1 does not include a boost circuit, that is, the output voltage of RF PMIC#1 is less than or equal to the input voltage of RF PMIC#1.
  • the magnitude of the power supply voltage which can be set according to the communication requirements and the specific structure of each amplifying unit in the amplifying module 130 .
  • the amplification module 130 may be equipped with a set of power supply ports. Wherein, the power supply port group is connected to the power supply module 110 for receiving the power supply voltage provided by the power supply module 110 .
  • the amplifying module 130 also includes four amplifying units, which can be respectively marked as a first amplifying unit 131 , a second amplifying unit 132 , a third amplifying unit 133 and a fourth amplifying unit 134 .
  • each amplifying unit can receive the radio frequency signals of different networks and different frequency bands output by the radio frequency transceiver, and the power supply end of each amplifying unit can be connected with the corresponding power supply port group to receive the power supply voltage, and under the action of the power supply voltage , to amplify the power of the received radio frequency signal.
  • the power supply port group includes a power supply port VCC, wherein the first amplifying unit 131 is connected to the power supply port VCC, and is used to amplify the received low-frequency signal under the action of the supply voltage; the second amplifying unit 132, It is connected to the power supply port VCC, and is used to amplify the received intermediate frequency signal under the action of the power supply voltage; the third amplifying unit 133 is connected to the power supply port VCC, and is used to amplify the received first high frequency signal under the action of the power supply voltage.
  • the signal is amplified;
  • the fourth amplifying unit 134 is connected to the power supply port VCC, and is used to amplify the received second high-frequency signal under the action of the power supply voltage.
  • the power supply port group includes a first power supply port LB_VCC and a second power supply port MHB_UHB_VCC.
  • both the first power supply port LB_VCC and the second power supply port MHB_UHB_VCC are connected to the power supply module 110 to receive the power supply voltage provided by the power supply module 110 .
  • the first amplifying unit 131 is connected to the first power supply port LB_VCC for amplifying the received low-frequency signal under the action of the power supply voltage;
  • the second amplifying unit 132 is connected to the second power supply port MHB_UHB_VCC for power supply Under the action of the voltage, the received intermediate frequency signal is amplified;
  • the third amplifying unit 133 is connected to the second power supply port MHB_UHB_VCC, and is used to amplify the received first high frequency signal under the action of the power supply voltage;
  • the fourth amplifying unit 134 connected to the second power supply port MHB_UHB_VCC, configured to amplify the received second high-frequency signal under the action of the power supply voltage.
  • the low-frequency signal may include low-frequency signals of the first network, the second network, and the third network.
  • the intermediate frequency signal may include the intermediate frequency signals of the first network, the second network, and the third network
  • the first high frequency signal may include the high frequency signals of the first network, the second network, and the third network
  • the second high frequency signal may include the second Network UHF signal.
  • the first network may be a 4G network, wherein the radio frequency signal of the first network may be called a Long Term Evolution (Long Term Evolution, LTE) signal, that is, a 4G LTE signal.
  • LTE Long Term Evolution
  • the second network may be a 5G network, wherein the radio frequency signal of the second network may be called a new air interface (New Radio, NR) signal, that is, a 5G NR signal.
  • the third network may be a 3G network, where a radio frequency signal of the third network may be called a 3G signal.
  • Table 1 is the frequency band division table for low frequency band, intermediate frequency band, high frequency band and ultra high frequency band
  • the 5G network will continue to use the frequency band used by 4G, and only the identification before the serial number will be changed.
  • the 5G network has added some ultra-high frequency bands that are not available in the 4G network, such as N77, N78, and N79.
  • the amplifying module 130 can be understood as a multi-band multi-mode power amplifier (MMPA) with built-in multiple amplifying units.
  • MMPA multi-band multi-mode power amplifier
  • Each port configured on the amplification module 130 can be understood as a radio frequency pin of a multi-frequency multi-mode amplifier.
  • the amplifying module 130 may also be understood as a power amplifier module integrated duplexer (PA Mid), or may be a PA Mid with a built-in low noise amplifier, that is, L-PA Mid.
  • PA Mid power amplifier module integrated duplexer
  • Each port configured on the amplification module 130 can be understood as a radio frequency pin of the PA Mid.
  • the first amplifying unit 131, the second amplifying unit 132, the third amplifying unit 133 and the fourth amplifying unit 134 are integrated in the amplifying module. Under the action, it corresponds to the power amplification processing of low-frequency signals, intermediate-frequency signals, high-frequency signals and ultra-high-frequency signals, and then can realize the transmission of radio frequency signals (for example, 5G NR signals) in the whole frequency band, so that the radio frequency system can work In the SA mode, a brand-new radio frequency system supporting the SA mode is provided, which can improve the integration degree of the radio frequency system and reduce the cost at the same time.
  • radio frequency signals for example, 5G NR signals
  • the power supply module 110 can include RF PMIC#1, and the power supply module 110 can provide the first amplifying unit 131 and the second amplifying unit 132 respectively through the first power supply port and the second power supply port , the third amplifying unit 133 and the fourth amplifying unit 134 supply power.
  • Each amplifying unit can perform power amplification processing on each received radio frequency signal under the action of the power supply voltage.
  • the amplifying unit may include a plurality of cascaded power amplifiers 1301, that is, the radio frequency signal received by the amplifying unit may be amplified by multi-stage power, so as to realize the power adjustment of the corresponding frequency band signal.
  • a matching network 1302 is also provided between adjacent cascaded power amplifiers 1301 for realizing impedance matching between the output end of the upper stage power amplifier 1301 and the input end of the next stage power amplifier 1301 .
  • the numbers of the first power supply ports and the second power supply ports will also change. Specifically, the number of the first power supply ports is equal to the number of power amplifiers 1301 included in the first amplifying unit.
  • the number of the second power supply ports is equal to the number of power amplifiers 1301 included in the second amplifying unit 132 , the third amplifying unit 133 or the fourth amplifying unit 134 .
  • two cascaded power amplifiers 1301 may be set in each amplifying unit, so as to realize the power adjustment of the radio frequency signal processed in the amplifying unit.
  • the first power supply ports may be recorded as LB_VCC1 and LB_VCC2
  • the second power supply ports may be recorded as MHB_UHB_VCC1 and MHB_UHB_VCC2.
  • the first amplifying unit 131, the second amplifying unit 132, the third amplifying unit 133, and the fourth amplifying unit 134 can implement the received radio frequency signal Multi-stage amplification
  • the power level of the RF signal output by each amplifying unit can meet the communication requirements of high output power
  • the amplifying unit 133 and the fourth amplifying unit 134 can realize one-stage amplification of the received radio frequency signal, so as to be suitable for a communication scenario of outputting low power.
  • the multi-stage amplification of the received radio frequency signal can be realized, so that the power level of the radio frequency signal output by the amplifying unit can meet communication needs.
  • the output power of the radio frequency signal can also meet the communication requirements when the power supply voltage is less than or equal to 3.6V, thereby avoiding the A boost circuit is added to reduce the cost of each power supply module.
  • the amplifying unit may also include a plurality of power amplifiers and a power combining unit to implement power amplification processing of radio frequency signals by means of power combining or the like.
  • each amplifying unit may include two power amplifiers and a power combining unit.
  • the output terminals of the two power amplifying units can be respectively connected with the two input terminals of the power combining unit, so that the power combining unit can combine the output power of the two power amplifiers.
  • the amplifying unit adopts the method of power synthesis to amplify the power of the RF signal, even if a PMIC without a boost circuit (for example, the power supply voltage is less than or equal to 3.6V) is used to power each amplifying unit, the RF signal can be The output power of the power supply meets the communication requirements, thereby avoiding adding a boost circuit to the power supply module, so as to reduce the cost of each power supply module.
  • a boost circuit for example, the power supply voltage is less than or equal to 3.6V
  • the power supply module 110 may include a step-down power supply (Buck Source), the supply voltage Vcc of the output terminal of the step-down power supply is less than or equal to 3.6V.
  • a step-down power supply can be understood as an output voltage lower than the input voltage, that is, a step-down adjustable regulated DC power supply.
  • the input voltage of the power supply module 110 may be the output voltage of the battery unit of the communication device, generally between 3.6V-4.2V.
  • each amplifying unit in the amplifying module can perform power combining processing on the radio frequency signals of each frequency band in a power combining manner, and the voltage value of each supply voltage can be reduced under the premise of meeting the output power level, thereby avoiding
  • the built-in boost circuit in the power supply module can further reduce the cost of the power supply module.
  • the amplifying module 130 is further configured with a transceiver port ANT for connecting to the first antenna ANT0 .
  • the first antenna ANT0 can be used for transmitting and receiving the second high frequency signal.
  • the amplification module 130 also includes a low noise amplifier 135 and a first switch unit 136 . Wherein, the low-noise amplifier 135 is used to amplify the received second high-frequency signal, so as to support the reception of the second high-frequency signal.
  • the first switch unit 136 is respectively connected to the output end of the fourth amplifying unit 134, the input end of the low noise amplifier 135, and the transceiver port, and is used to selectively conduct the transmission path between the fourth amplifying unit 134 and the transceiver port or the low-noise Receive path between amplifier 135 and the transceiver port. That is, the first switch unit 136 can be used to selectively turn on the transmission path or the reception path of the second high frequency signal.
  • the amplification module 130 can also be understood as a transceiver module. Specifically, the amplifying module 130 can support the transmission of low-frequency, medium-frequency, high-frequency signals, and ultra-high-frequency signals, and the reception of ultra-high-frequency signals.
  • a filtering unit 137 is also integrated in the amplifying module 130 .
  • the filter unit 137 is disposed between the second end of the first switch unit 136 and the transceiver port ANT, and is used for filtering the second high-frequency signal to filter out spurious waves other than the second high-frequency signal.
  • the amplifying module 130 is also configured with three burst ports SRS1, SRS2, and SRS3, and the three burst ports SRS1, SRS2, and SRS3 are used for Connect with the second antenna, the third antenna, and the fourth antenna.
  • the amplifying module 130 further includes a second switch unit 138 .
  • the first end of the second switch unit 138 is connected to the filter unit 137, and the four second ends of the second switch unit 138 are respectively connected to the transceiver port and the three transmission ports in one-to-one correspondence.
  • the second switch unit 138 can be used to selectively conduct the transmission path between the fourth amplifying unit 134 and the transceiver port and the three transmission ports respectively, so as to support the second high-frequency signal in the first antenna ANT0, the second antenna ANT1, Burst function between the third antenna ANT2 and the fourth antenna ANT3.
  • the second high-frequency signal can be transmitted between the transceiver port and the three burst ports SRS1, SRS2.
  • SRS3 alternate transmission, and then can support the second high-frequency signal transmission function between the first antenna ANT0, the second antenna ANT1, the third antenna ANT2, and the fourth antenna ANT3, that is, the 1T4R function of the SRS , thereby improving the communication performance of the radio frequency system for sending and receiving the second high-frequency signal.
  • the amplifying module 130 is also configured with a plurality of output ports for connecting with radio frequency transceivers.
  • Two low-noise amplifiers are integrated in the amplification module 130, which can be respectively recorded as a first low-noise amplifier 1351 and a second low-noise amplifier 1352.
  • the filtering unit includes a first filter 1371 and a second filter 1372 .
  • the second switch unit 138 includes two first terminals and four second terminals, specifically, the second switch unit 138 may be a DP4T switch.
  • a first end of the second switch unit 138 is connected to the second end of the first switch unit 136, the first low noise amplifier 1351 and an output port through the first filter 1371, and the other first end of the second switch unit 138
  • the first filter 1372 and the first low-noise amplifier 1352 are connected to another output port, and the four second ends of the second switch unit 136 are respectively connected to the transceiver port ANT and the three sequential ports SRS1, SRS2, and SRS3.
  • the amplifying module 130 can simultaneously receive two channels of second high-frequency signals through the transceiver port and any two of the three transmission ports, and the received two channels of second high-frequency signals can be passed through the second switch unit 138 respectively.
  • the signals are transmitted to corresponding filters and low-noise amplifiers to support the receiving and processing of the two channels of second high-frequency signals.
  • the two channels of second high-frequency signals may include two channels of ultra-high frequency signals in the N77 frequency band.
  • the simultaneous reception of two second high-frequency signals can be realized, so as to realize the dual-channel reception of the second high-frequency signal, which can improve the sensitivity of the second high-frequency signal. receiving performance.
  • the amplifying module 130 is further configured with an N41 transceiver port TRX.
  • the second switch unit 138 includes three first terminals and four second terminals, specifically, the second switch unit 138 may be a 3P4T switch. With respect to the amplifying module 130 shown in FIG.
  • another first end of the second switch unit 138 is connected to the transceiver port TRX (N41), wherein the N41 transceiver port TRX can be used for B41/N41 amplified signal input, Then, the second switch unit 138 is used to switch to any port among the transceiver port ANT and the three burst ports SRS1, SRS2, and SRS3, so as to realize the output of the amplified signal of B41/N41.
  • the second low-noise amplifier 1352 and the second filter 1372 in FIG. 4 and FIG. Receiving and processing of a second high-frequency signal.
  • the radio frequency system further includes: three radio frequency switches 142 and three first receiving modules 141 .
  • the first receiving module 141 is configured to support receiving and processing of the second high-frequency signal.
  • the first ends of the three radio frequency switches 142 are respectively connected to the three radio ports SRS1, SRS2, and SRS3 in one-to-one correspondence, and the other first ends of the three radio frequency switches 142 are respectively in one-to-one correspondence with the three first receiving modules 141 connection, the second ends of the three radio frequency switches 142 are respectively connected to the second antenna ANT1 , the third antenna ANT2 , and the fourth antenna ANT3 in a one-to-one correspondence.
  • the three first receiving modules 141 can simultaneously receive the second high-frequency signal received by the second antenna ANT1, the third antenna ANT2, and the fourth antenna ANT3, and can also control the first
  • the conduction state of the switch unit 136 makes the low noise amplifier 135 in the amplifying module 130 also realize the receiving and amplifying processing of the second high-frequency signal, thereby supporting the reception of four second high-frequency signals at the same time, that is, it can It supports the 4*4 MIMO function for the second high-frequency signal, which can improve the receiving and transmitting performance of the radio frequency system for the UHF signal of the second network.
  • the radio frequency system further includes a third switch unit 154 and multiple filtering modules.
  • the radio frequency system includes a first filtering module 151 , a second filtering module 152 and a third filtering module 153 respectively connected to the amplification module 130 .
  • the first filtering module 151 can be used to filter the signal output by the first amplifying unit 131 .
  • the second filtering module 152 can be used for filtering the signal output by the second amplifying unit 132 .
  • the third filtering module 153 can be used for filtering the signal output by the third amplifying unit 133 .
  • third switch unit 154 Multiple first ends of the third switch unit 154 are respectively connected to the first filter module 151 , the second filter module 152 and the third filter module 153 , and the second end of the third switch unit 154 is used to be connected to the fifth antenna ANT4 .
  • the third switch unit 154 can be used to selectively conduct the path between any filter module and the fifth antenna ANT4, and then can conduct a transmission path between a corresponding amplifying unit and the fifth antenna ANT4, so as to amplify the power of the amplifying unit
  • the processed radio frequency signal is transmitted and processed by the fifth antenna ANT4.
  • the third switch unit 154 turns on the transmission path between the fifth antenna ANT4 and the first amplifying unit 131, the low-frequency signal can be transmitted through the fifth antenna ANT4. Further, if the third switch unit 154 can be connected to the filter or duplexer in each filter module, if the third switch unit 154 conducts the filter and the fifth antenna that only allow the signal of the N5 (B5) frequency band to pass through The path between ANT4 can transmit the low-frequency signal of the N5 (B5) frequency band output by the first amplifying unit 131 through the fifth antenna ANT4.
  • the amplifying module 130 further includes switches respectively connected to the amplifying units.
  • the first amplifying unit 131 can be selected to output low-frequency signals of different frequency bands through the first switch 1391
  • the second amplifying unit 132 can be selected to output intermediate frequency signals of different frequency bands through the second switch 1392
  • the third amplifying unit 133 can be selected through the second switch 1392.
  • the three switches 1393 select and output the first high-frequency signals of different frequency bands.
  • Each filtering module may include a plurality of filters and/or duplexers, so as to implement filtering processing of radio frequency signals of various frequency bands output by each amplifying unit.
  • the filter device provided on the transmission path of the radio frequency signal can be a filter of the corresponding frequency band; if the communication system of the radio frequency signal is the TDD system, then the transmission path of the radio frequency signal
  • the set filter device may be a duplexer corresponding to a frequency band.
  • each filter and duplexer only allow signals of preset frequency bands to pass through, and the frequency bands of the radio frequency signals output by each filter and duplexer are different.
  • the third switch unit 154 may be a single-pole multiple-throw switch, or may include multiple switches. Among them, the plurality of first ends of the third switch unit 154 can be connected to each filter and duplexer in each filter module in one-to-one correspondence, and can selectively conduct low-frequency signals, intermediate-frequency signals and first high-frequency signals in any frequency band. The signal is transmitted to the path of the fifth antenna ANT4. It should be noted that, in the embodiment of the application, the specific type, quantity and combination form of the third switch unit 154 are not further limited.
  • the third filtering module 153 is used as an example for illustration. If the first high-frequency signal output by the third amplifying unit 133 through the third switch 1393 includes signals of the three frequency bands N7 (B7), N40 (B40), and N41 (B41), the third filtering module 153 may include two filter and a duplexer. Specifically, one filter only allows the signal of the N 40 (B40) frequency band to pass, and filters out the clutter of other frequency bands, and one filter only allows the signal of the N 41 (B41) frequency band to pass through, and filters out the clutter of other frequency bands .
  • the duplexer can realize the isolation of N7 (B7) transmission and reception, and can only allow the signal of N7 (B7) frequency band to pass through during the transmission and reception process, and filter out the clutter of other frequency bands.
  • the first filter module 151 can filter the low-frequency signal selected and output by the first switch 1391 to output low-frequency signals such as N5 (B5), N8 (B8), N28A (B28A) and other frequency bands.
  • the second filter module 152 can realize the filter processing of the intermediate frequency signal selected and output by the second switch 1392, so as to output frequency bands such as N1 (B1), N3 (B3), N2 (B2), N34 (B34), N39 (B39) the intermediate frequency signal.
  • each filtering module is not limited to the illustrations in the embodiments of the present application.
  • the first filtering module 151, the second filtering module 152, and the third filtering module 153 can be adaptively adjusted according to the frequency bands of the low-frequency signal, intermediate-frequency signal and first high-frequency signal output by the corresponding amplifying unit, so as to realize the The low frequency signal, the intermediate frequency signal and the first high frequency signal are filtered.
  • the radio frequency system further includes a second receiving module 161 , a third receiving module 162 and a fourth switching unit 163 .
  • the second receiving module 161 is respectively connected to the first filtering module 151, the second filtering module 152, and the third filtering module 153, and can be used to support the reception of low-frequency, intermediate-frequency, and high-frequency band signals of 2G, 3G, 4G, and 5G networks deal with.
  • the third receiving module 162 can be respectively connected to the fifth antenna ANT4 and the sixth antenna ANT5 in a one-to-one correspondence through the fourth switch unit 163 .
  • the fifth antenna ANT4 and the sixth antenna ANT5 can be used to support the reception and transmission of low-frequency, intermediate-frequency, and high-frequency band signals of 2G, 3G, 4G, and 5G networks.
  • the second receiving module 161 and the third receiving module 162 may specifically include a plurality of low noise amplifiers for supporting different frequency bands, a plurality of radio frequency switches, and the like.
  • the second receiving module 161 and the third receiving module 162 can be a radio frequency low noise amplifier module (Low noise amplifier front end module, LFEM), and can also be a diversity receiving module with an antenna switch module and a filter (Diversity Receive Module with Antenna Switch Module and SAW, DFEM), can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA) and so on.
  • LFEM radio frequency low noise amplifier module
  • DFEM Diversity Receive Module with Antenna Switch Module and SAW, DFEM
  • MLNA Multi band Low Noise Amplifier
  • the fourth switch unit 163 includes two first terminals and two second terminals.
  • the fourth switch unit 163 may be a DPDT switch.
  • the fourth switch unit 163 is not limited to the above example, and may also be composed of a plurality of switches.
  • the two first ends of the fourth switch unit 163 are respectively connected to the third switch unit 154 and the third receiving module 162 in one-to-one correspondence, and the two second ends of the fourth switch unit 163 are respectively connected to the fifth antenna ANT4,
  • the sixth antenna ANT5 is connected in one-to-one correspondence.
  • the second receiving module 161 its receiving paths for low-frequency, intermediate-frequency, and high-frequency signals are described as follows:
  • the receiving path of the low-frequency signal the fifth antenna ANT4 / the sixth antenna ANT5 ⁇ the third switch unit 154 ⁇ the first filtering module 151 ⁇ the second receiving module 161 .
  • the receiving path of the intermediate frequency signal the fifth antenna ANT4 / the sixth antenna ANT5 ⁇ the third switch unit 154 ⁇ the second filtering module 152 ⁇ the second receiving module 161 .
  • the receiving path of the high-frequency signal the fifth antenna ANT4 / the sixth antenna ANT5 ⁇ the third switch unit 154 ⁇ the third filtering module 153 ⁇ the second receiving module 161 .
  • the second receiving module 161, the third receiving module 162 and the fourth switching unit 163 can also support the 2*2 MIMO function for radio frequency signals in any frequency band, so as to improve the radio frequency signal receiving performance of the radio frequency system .
  • the radio frequency system further includes a transmitting module 170 .
  • the transmitting module 170 may be configured with a third power supply port VCC3.
  • the third power supply port VCC3 is connected to the power supply module 110 for receiving a power supply voltage.
  • the transmitting module 170 includes a fifth amplifying unit 171 and a sixth amplifying unit 172 respectively connected to the third power supply port VCC3.
  • the fifth amplifying unit 171 can be used to amplify the received high-frequency signal of the 2G network (for example, Global System for Mobile Communications (GSM)) under the action of the power supply voltage.
  • the sixth amplifying unit 172 is configured to amplify the received low-frequency signal of the 2G network under the action of the power supply voltage.
  • the structure of the fifth amplifying unit 171 and the sixth amplifying unit 172 is the same as that of the amplifying units in the foregoing embodiments, and may include a power amplifier, or may include a power combining unit and multiple power amplifiers, so as to realize multiple power amplifiers.
  • the combined output of the output power of the amplifier may include a power amplifier, or may include a power combining unit and multiple power amplifiers, so as to realize multiple power amplifiers.
  • the combined output of the output power of the amplifier are not limited, nor are they limited to the above examples.
  • the communication requirements for the 2G network can be realized.
  • the range of the communication frequency band of the radio frequency system can be expanded to support the business type of voice calls.
  • the fifth amplifying unit 171 and the sixth amplifying unit 172 can share the same power supply module 110 as the amplifying units in the amplifying module 130, such as RF PMIC#1, which can save costs and simplify the internal structure of the radio frequency system.
  • the third switch unit 154 is integrated in the transmitting module 170 .
  • the transmitting module 170 may be configured with a plurality of input ports, and the plurality of input ports may be respectively connected to filters and duplexers in a plurality of filtering modules in a one-to-one correspondence.
  • the integration degree of the radio frequency system can be improved, thereby reducing the occupied area of the radio frequency system.
  • the transmitting module 170 further includes a first filtering unit 173 and a second filtering unit 174, wherein the first filtering unit 173 is connected to the fifth amplifying unit 171 for Filtering is performed on the high-frequency signal of the 2G network output by the fifth amplifying unit 171 .
  • the second filtering unit 174 is connected to the sixth amplifying unit 172 for filtering the low-frequency signal of the 2G network output by the sixth amplifying unit 172 .
  • the first filtering unit 173 may be a linear notch filter to suppress signals other than the high-frequency signal of the 2G network, thereby realizing filtering processing of the high-frequency signal of the 2G network.
  • the second filtering unit 174 can also be a linear notch filter to suppress signals other than the low-frequency signal of the 2G network, thereby realizing filtering processing of the low-frequency signal of the 2G network.
  • first filtering unit 173 and the second filtering unit 174 may also include multiple filters, duplexers, etc.
  • the first filtering unit 173 and the second filtering unit 174 are not limited to The above examples illustrate.
  • the integration degree of the radio frequency system can be further improved, thereby reducing the occupied area of the radio frequency system.
  • the third switch unit 154 is built in the transmitting module 170 and the third switch unit 154 is a DPDT switch as an example for illustration.
  • the transmitting module 170 may be equipped with an antenna port, and the second end of the third switch unit 154 of the transmitting module 170 is connected to the antenna port.
  • the two first ends of the fourth switch unit 163 are respectively connected to the antenna ports of the second receiving module 161 and the transmitting module 170, and the two second ends of the fourth switch unit 163 are used to connect with the fifth antenna ANT4 and the sixth antenna respectively. ANT5 connection.
  • the fourth switch unit 163 can selectively conduct the receiving paths between the first receiving module 161 and the fifth antenna ANT4 and the sixth antenna ANT5, and can also be used to selectively conduct the receiving paths between the second receiving module 162 and the fifth antenna ANT5 respectively.
  • the third switch unit may also be externally installed in the transmitting module.
  • the fourth switch unit can be a 3PDT switch, wherein the three first ends of the third switch unit can be respectively connected to the first terminals of the transmitting module, the second receiving module, and the third switch unit. The two terminals are connected, and the two second terminals of the third switch unit are used to connect with the fifth antenna and the third antenna respectively.
  • the fourth switch unit is not limited to the above example, and may also be composed of a plurality of switches.
  • the radio frequency system further includes: a first MIMO receiving module 191 and a second MIMO receiving module 192 .
  • the first MIMO receiving module 191 is connected to the seventh antenna ANT6, and is used to support the receiving and processing of low-frequency, intermediate-frequency, and high-frequency band signals of 2G, 3G, 4G, and 5G networks;
  • the second MIMO receiving module 192 It is connected with the eighth antenna ANT7, and is used to support the reception and processing of low-frequency, intermediate-frequency, and high-frequency band signals of 2G, 3G, 4G, and 5G networks.
  • the internal structures of the first MIMO receiving module 191 and the second MIMO receiving module 192 may be the same as or different from those of the second receiving module 161 and the third receiving module 162 in the foregoing embodiments.
  • the radio frequency system can support the low frequency
  • the four-channel simultaneous reception of intermediate frequency and high frequency signals enables the radio frequency system to support 4*4 MIMO functions for each frequency band of 2G, 3G, 4G, and 5G networks, which can improve the radio frequency system’s ability to receive signals in each frequency band of the first network and the second network. receive and transmit performance.
  • the radio frequency system also includes a radio frequency transceiver 100, and the radio frequency transceiver 100 can be connected with the amplification module 130, the first receiving module 141, the second receiving module 161, the third receiving module 162, the transmitting The module 170, the first MIMO receiving module 191, and the second MIMO receiving module 192 are connected and can be used to output radio frequency signals of various frequency bands (for example, low frequency, intermediate frequency, high frequency, and ultrahigh frequency) of 2G, 3G, 4G, and 5G networks.
  • various frequency bands for example, low frequency, intermediate frequency, high frequency, and ultrahigh frequency
  • the radio frequency system can also support 4*4MIMO functions for signals in various frequency bands of 2G, 3G, 4G, and 5G networks by setting multiple antennas and multiple MIMO receiving modules, which can improve the radio frequency system’s ability to respond to the first Receiving and transmitting performance of signals in each frequency band of the first network and the second network.
  • the communication device is a mobile phone 10 as an example for illustration, specifically, the mobile phone 10 may include a memory 21 (which optionally includes one or more computer-readable storage media), a processing circuit 22 , a peripheral device interface 23 , a radio frequency system 24 , and an input/output (I/O) subsystem 26 . These components optionally communicate via one or more communication buses or signal lines 29 .
  • the mobile phone 10 shown in FIG. 12 does not constitute a limitation to the mobile phone, and may include more or less components than those shown in the illustration, or combine some components, or arrange different components.
  • the various components shown in FIG. 12 are implemented in hardware, software, or a combination of both hardware and software, including one or more signal processing and/or application specific integrated circuits.
  • Memory 21 optionally includes high-speed random access memory, and optionally also includes non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state memory devices.
  • the software components stored in the memory 21 include an operating system 211 , a communication module (or an instruction set) 212 , a global positioning system (GPS) module (or an instruction set) 213 and the like.
  • GPS global positioning system
  • Processing circuitry 22 and other control circuitry, such as control circuitry in radio frequency system 24, may be used to control the operation of handset 10.
  • the processing circuitry 22 may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, and the like.
  • the processing circuit 22 may be configured to implement a control algorithm that controls the use of antennas in the handset 10 .
  • the processing circuit 22 may also issue control commands and the like for controlling switches in the radio frequency system 24 .
  • I/O subsystem 26 couples input/output peripherals on handset 10 such as a keypad and other input control devices to peripherals interface 23 .
  • I/O subsystem 26 optionally includes a touch screen, keys, tone generator, accelerometer (motion sensor), ambient light sensor and other sensors, light emitting diodes and other status indicators, data ports, and the like.
  • a user may control the operation of handset 10 by supplying commands via I/O subsystem 26 and may use the output resources of I/O subsystem 26 to receive status information and other output from handset 10 .
  • the user can turn on or turn off the mobile phone by pressing the button 261 .
  • the radio frequency system 24 may be the radio frequency system in any of the foregoing embodiments, wherein the radio frequency system 24 may also be used to process radio frequency signals of multiple different frequency bands.
  • the radio frequency system 24 may also be used to process radio frequency signals of multiple different frequency bands.
  • the Sub-6G frequency band may specifically include a 2.496GHz-6GHz frequency band and a 3.3GHz-6GHz frequency band.
  • Nonvolatile memory can include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory.
  • Volatile memory can include random access memory (RAM), which acts as external cache memory.
  • RAM is available in many forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchronous Synchlink DRAM (SLDRAM), Memory Bus (Rambus) Direct RAM (RDRAM), Direct Memory Bus Dynamic RAM (DRDRAM), and Memory Bus Dynamic RAM (RDRAM).
  • SRAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced SDRAM
  • SLDRAM Synchronous Synchlink DRAM
  • SLDRAM Synchronous Synchlink DRAM
  • Memory Bus Radbus
  • RDRAM Direct RAM
  • DRAM Direct Memory Bus Dynamic RAM
  • RDRAM Memory Bus Dynamic RAM

Abstract

一种射频系统，射频系统包括供电模块（110）和放大模块（130），其中，放大模块（130）包括：第一放大单元（131），用于对接收的低频信号进行放大；第二放大单元（132），用于对接收的中频信号进行放大；第三放大单元（133），用于对接收的第一高频信号进行放大；第四放大单元（134），用于对接收的第二高频信号进行放大；其中，第二高频信号的频率高于第一高频信号的频率；其中，射频系统用于选择输出任一放大单元处理后的射频信号。

Description

射频系统和通信设备
相关申请的交叉引用
本申请要求于2021年8月12日提交中国专利局、申请号为2021109240833发明名称为“射频系统和通信设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本本申请涉及天线技术领域，特别是涉及一种射频系统和通信设备。
背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然地构成现有示例性技术。
随着技术的发展和进步，移动通信技术逐渐开始应用于通信设备，例如手机等。对于支持5G通信技术的通信设备，其通信设备通常是基于能够支持非独立组网(Non-Standalone，NSA)模式的射频架构来支持独立组网(Standalone，SA)模式。在非独立组网模式下，通常采用4G信号和5G信号的双连接模式。一般，为了提高4G和5G双连接模式下的通信性能，可在射频系统中设置多个分立设置的功率放大模组，以实现4G信号和5G信号的双发射，其占用空间大、成本高。因此，如何提供一种能够支持SA模式的射频架构且占用空间小是本领域技术人员待解决的技术问题。
发明内容
根据本申请的各种实施例，提供一种射频系统和通信设备。
一种射频系统，包括：
供电模块，用于提供供电电压；
放大模块，配置有用于与所述供电模块连接的供电端口；其中，所述放大模块包括：
第一放大单元，与所述第一供电端口连接，用于在所述供电电压的作用下，对接收的低频信号进行放大；
第二放大单元，与所述第二供电端口连接，用于在所述供电电压的作用下，对接收的中频信号进行放大；
第三放大单元，与所述第二供电端口连接，用于在所述供电电压的作用下，对接收的第一高频信号进行放大；
第四放大单元，与所述第二供电端口连接，用于在所述供电电压的作用下，对接收的第二高频信号进行放大；所述第二高频信号的频率高于所述第一高频信号的频率；
其中，所述射频系统用于选择输出任一所述放大单元处理后的射频信号。
一种通信设备，包括：前述的射频系统。
上述射频系统和通信设备，包括供电模块和放大模块，在放大模块中集成了第一放大单元、第二放大单元、第三放大单元和第四放大单元，各放大单元可在供电模块提供的供电电压的作用下，分别对应对低频信号、中频信号、高频信号以及超高频信号的功率放大处理，进而可实现对全频段的射频信号(例如，5G NR信号)的发射，以使射频系统能够工作在SA模式下，提供了一种全新的SA模式的射频系统，可以提高射频系统的集成度，同时还可以降低成本。
本申请的一个或多个实施例的细节在下面的附图和描述中提出。本申请的其他特征、目的和优点将从说明书、附图以及权利要求书变得明显。
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1为一个实施例中射频系统的框架示意图之一；
图2为一个实施例中射频系统的框架示意图之二；
图3为一个实施例中射频系统的框架示意图之三；
图4为一个实施例中射频系统的框架示意图之四；
图5为一个实施例中射频系统的框架示意图之五；
图6为一个实施例中射频系统的框架示意图之六；
图7为一个实施例中射频系统的框架示意图之七；
图8为一个实施例中射频系统的框架示意图之八；
图9为一个实施例中射频系统的框架示意图之九；
图10为一个实施例中射频系统的框架示意图之十；
图11为一个实施例中射频系统的框架示意图之十一；
图12为一个实施例中射频系统的框架示意图之十二；
图13为一个实施例中射频系统的框架示意图之十三；
图14为一个实施例中射频系统的框架示意图之十四；
图15为一个实施例中通信设备的结构示意图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
可以理解，本申请所使用的术语“第一”、“第二”等可在本文中用于描述各种元件，但这些元件不受这些术语限制。这些术语仅用于将第一个元件与另一个元件区分。举例来说，在不脱离本申请的范围的情况下，可以将第一天线称为第二天线，且类似地，可将第二天线称为第一天线。第一天线和第二天线两者都是天线，但其不是同一天线。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。在本申请的描述中，“若干”的含义是至少一个，例如一个，两个等，除非另有明确具体的限定。
本申请实施例涉及的射频系统可以应用到具有无线通信功能的通信设备，其通信设备可以为手持设备、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)(例如，手机)，移动台(Mobile Station，MS)等等。为方便描述，上面提到的设备统称为通信设备。
本申请实施例提供一种射频系统。本申请实施例提供的射频系统被配置为支持5G新空口(New Radio，NR)的独立组网工作模式(Standalone，SA)以及支持4G LTE的长期演进网络(long term evolution，LTE)工作模式。也即，本申请实施例提供的射频系统可工作在SA工作模式)和LTE工作模式下(或称之为LTE only工作模式)。也即，该射频系统可以支持对5G信号的接收和发射，进而可以支持对5G业务。其中，5G NR信号可以包括全频段的5G NR信号。具体的，5G NR信号可包括低频频段、中频频段、高频频段和超高频频段的5G NR信号。该射频系统也可以支持对4G LTE信号的接收和发射，进而可以支 持对4G业务。其中，4G LTE信号可以包括全频段的4G LTE信号。具体的，4G LTE信号可包括低频频段、中频频段、高频频段的4G LTE。
如图1和图2所示，在其中一个实施例中，本申请实施例提供的射频系统包括：供电模块110和放大模块130。
其中，供电模块110用于提供供电电压。具体的，供电模块110可包括电源管理芯片(Power management IC，PMIC)。其中，RF PMIC#1中不包括boost升压电路，也即，RF PMIC#1的输出电压小于或等于RF PMIC#1的输入电压。在本申请实施例中，对供电电压的大小不做进一步的限定，可以根据通信需求以及放大模块130中各放大单元的具体结构来设定。
放大模块130可被配有供电端口组。其中，供电端口组与供电模块110连接，用于接收供电模块110提供的供电电压。放大模块130中还包括四个放大单元，可分别记为第一放大单元131、第二放大单元132、第三放大单元133和第四放大单元134。其中，各个放大单元的输入端可接收射频收发器输出的不同网络不同频段的射频信号，各个放大单元的供电端可与相应的供电端口组连接，以接收供电电压，并在供电电压的作用下，对接收的射频信号进行功率放大。
请参考图1，供电端口组包括一个供电端口VCC，其中，第一放大单元131，与供电端口VCC连接，用于在供电电压的作用下，对接收低频信号进行放大；第二放大单元132，与供电端口VCC连接，用于在供电电压的作用下，对接收中频信号进行放大；第三放大单元133，与供电端口VCC连接，用于在供电电压的作用下，对接收的第一高频信号进行放大；第四放大单元134，与供电端口VCC连接，用于在供电电压的作用下，对接收的第二高频信号进行放大。
请参考图2，供电端口组包括第一供电端口LB_VCC和第二供电端口MHB_UHB_VCC。其中，第一供电端口LB_VCC和第二供电端口MHB_UHB_VCC均与供电模块110连接，以接收供电模块110提供的供电电压。其中，第一放大单元131，与第一供电端口LB_VCC连接，用于在供电电压的作用下，对接收低频信号进行放大；第二放大单元132，与第二供电端口MHB_UHB_VCC连接，用于在供电电压的作用下，对接收中频信号进行放大；第三放大单元133，与第二供电端口MHB_UHB_VCC连接，用于在供电电压的作用下，对接收的第一高频信号进行放大；第四放大单元134，与第二供电端口MHB_UHB_VCC连接，用于在供电电压的作用下，对接收的第二高频信号进行放大。
其中，低频信号可包括第一网络、第二网络以及第三网络的低频信号。中频信号可包括第一网络、第二网络以及第三网络的中频信号，第一高频信号可包括第一网络、第二网络以及第三网络高频信号，第二高频信号可包括第二网络的超高频信号。具体的，如表1所述，第一网络可以为4G网络，其中，第一网络的射频信号可以称之为长期演进(Long Term Evolution，LTE)信号，也即4G LTE信号。第二网络可以为5G网络，其中，第二网络的射频信号可以称之为新空口(New Radio，NR)信号，也即5G NR信号。第三网络可以为3G网络，其中，第三网络的射频信号可以称之为3G信号。
表1 为低频频段、中频频段、高频频段和超高频频段的频段划分表
Figure PCTCN2022106448-appb-000001
Figure PCTCN2022106448-appb-000002
需要说明的是，5G网络中沿用4G所使用的频段，仅更改序号之前的标识。此外，5G网络还新增了一些4G网络中没有的超高频段，例如，N77、N78和N79等。
其中，放大模块130可以理解为内置多个放大单元的多频多模功率放大器(Multi-band multi-mode power amplifier，MMPA)。该放大模块130上配置的各个端口可以理解为多频多模放大器的射频引脚。
可选的，放大模块130还可以理解集成双工器的功率放大器模组(Power amplifier module integrated duplexer，PA Mid)，也可以为内置低噪声放大器的PA Mid，也即，L-PA Mid。该放大模块130上配置的各个端口可以理解为PA Mid的射频引脚。
在本申请实施例中，在放大模块中集成了第一放大单元131、第二放大单元132、第三放大单元133以及第四放大单元134，各放大单元可在供电模块110提供的供电电压的作用下，分别对应对低频信号、中频信号、高频信号以及超高频信号的功率放大处理，进而可实现对全频段的射频信号(例如，5G NR信号)的发射，以使射频系统能够工作在SA模式下，提供了一种全新的可支持SA模式的射频系统，可以提高射频系统的集成度，同时还可以降低成本。
如图3所示，在其中一个实施例中，供电模块110可包括RF PMIC#1，供电模块110可通过第一供电端口和第二供电端口分别给第一放大单元131、第二放大单元132、第三放大单元133、第四放大单元134供电。各个放大单元可在供电电压的作用下，对接收的各射频信号进行功率放大处理。
其中，放大单元可包括多个级联的功率放大器1301，也即，放大单元接收的射频信号可通过多级功率放大，以实现对对应频段信号的功率调节。具体的，相邻个级联的功率放大器1301之间还设有一匹配网路1302，用于实现上一级的功率放大器1301的输出端与下一级功率放大器1301的输入端之间的阻抗匹配。当放大单元中设置多个级联的功率放大器1301时，其第一供电端口和第二供电端口的数量也会发生变化。具体的，第一供电端口的数量与第一放大单元中所包括的功率放单器1301的数量相等。第二供电端口的数量与第二放大单元132、第三放大单元133或第四放大单元134中所包括的功率放大器1301的数量相等。
在本实施例中，为了便于说明，可在各放大单元中设置两个级联的功率放大器1301，以实现对放大单元中所处理的射频信号的功率调节。其中第一供电端口可记为LB_VCC1、LB_VCC2，第二供电端口可记为MHB_UHB_VCC1、MHB_UHB_VCC2。通过控制第一供电端口LB_VCC1、LB_VCC2通断状态，可以调节各放大单元对接收的射频信号的放大功率。示例性的，当控制第一供电端口LB_VCC1、LB_VCC2分别接收供电电压时，第一放大单元131、第二放大单元132、第三放大单元133、第四放大单元134能够实现对接收的射频信号的多级放大，各放大单元输出的射频信号的功率等级能够满足高输出功率的通信需求，当仅控制第一供电端口LB_VCC1接收供电电压时，其第一放大单元131第二放大单元132、第三放大单元133、第四放大单元134能够实现对接收的射频信号的一级放大，以适用于输出小功率的通信场景。
通过在放大单元中设置多个级联的功率放大器1301，可以在较低供电电压的作用下， 以实现对接收的射频信号的多级放大，使其放大单元输出的射频信号的功率等级能够满足通信需求。示例性的，当放大单元中设置两个级联的功率放大器1301时，在供电电压小于或等于3.6V的情况下也可以满足使其射频信号的输出功率满足通信需求，进而可以避免在供电模块中增加升压(boost)电路，以降低各供电模块的成本。
可选的，放大单元还可以包括多个功率放大器以及功率合成单元，以功率合成等方式来实现对射频信号的功率放大处理。具体的，各放大单元可包括两个功率放大器和一个功率合成单元。其中，两个功率放大单元的输出端可分别与功率合成单元的两个输入端连接，以使功率合成单元能够对两个功率放大器输出的功率进行合成。当放大单元采用功率合成的方式对射频信号进行功率放大处理时，即使采用不含boost升压电路的PMIC(例如，供电电压小于或等于3.6V)为各放大单元供电，也可以使其射频信号的输出功率满足通信需求，进而可以避免在供电模块中增加升压电路，以降低各供电模块的成本。
可选的，供电模块110可包括降压电源(Buck Source)，其降压电源的输出端的供电电压Vcc小于或等于3.6V。降压电源可以理解是一种输出电压低于输入电压，即降压型可调稳压直流电源。其中，供电模块110的输入电压可以为通信设备的电池单元的输出电压，一般在3.6V-4.2V之间。
在本实施例中，放大模块中的各放大单元可以采用功率合成的方式对各频段的射频信号进行功率合成处理，在满足输出功率等级的前提下可以降低各供电电压的电压值，进而可以避免在供电模块中内置boost升压电路，可进一步降低供电模块的成本。
请继续参考图3，在其中一个实施例中，放大模块130还配置有用于与第一天线ANT0连接的收发端口ANT。第一天线ANT0可用于第二高频信号的发射和接收。放大模块130还包括低噪声放大器135和第一开关单元136。其中，低噪声放大器135，用于对接收的第二高频信号进行放大处理，以支持对第二高频信号的接收。第一开关单元136，分别与第四放大单元134的输出端、低噪声放大器135的输入端、收发端口连接，用于选择导通第四放大单元134与收发端口之间的发射通路或低噪声放大器135与收发端口之间的接收通路。也即，第一开关单元136可用于选择导通第二高频信号的发射通路或接收通路。
当放大模块130中内置有低噪声放大器135和第一开关单元136时，该放大模块130还可以理解为收发模块。具体的，放大模块130可支持对低频、中频、高频信号、以及超高频信号的发射，以及超高频信号的接收。
请继续参考图3，在其中一个实施例中，放大模块130中还集成有滤波单元137。该滤波单元137设置在第一开关单元136的第二端与收发端口ANT之间，用于对第二高频信号进行滤波处理，以滤除第二高频信号以外的杂散波。
如图4所示，在其中一个实施例中，在图3的基础上，放大模块130还被配置有三个轮射端口SRS1、SRS2、SRS3，三个轮射端口SRS1、SRS2、SRS3分别用于与第二天线、第三天线、第四天线连接。其中，放大模块130还包括第二开关单元138。其中，第二开关单元138的第一端与滤波单元137连接，第二开关单元138的四个第二端分别与收发端口、三个轮射端口一一对应连接。第二开关单元138可用于选择导通第四放大单元134分别与收发端口、三个轮射端口之间的发射通路，以支持对第二高频信号在第一天线ANT0、第二天线ANT1、第三天线ANT2、第四天线ANT3之间的轮射功能。
本实施例中，通过给放大模块130配置三个轮射端口SRS1、SRS2、SRS3，通过第二开关单元138的切换控制，第二高频信号可以在收发端口以及三个轮射端口SRS1、SRS2、SRS3之间的轮流发射，进而可以支持第二高频信号在第一天线ANT0、第二天线ANT1、第三天线ANT2、第四天线ANT3之间的轮射功能，也即，SRS的1T4R功能，进而可以提升射频系统收发第二高频信号的通信性能。
请继续参考图4，在其中一个实施例中，放大模块130还配置有多个用于与射频收发器连接的输出端口。放大模块130中集成有两个低噪声放大器，可分别记为第一低噪声放 大器1351和第二低噪声放大器1352。其中，滤波单元包括第一滤波器1371、第二滤波器1372。
其中，第二开关单元138包括两个第一端和四个第二端，具体的，第二开关单元138可为DP4T开关。第二开关单元138的一第一端经第一滤波器1371与第一开关单元136的第二端、第一低噪声放大器1351与一输出端口连接，第二开关单元138的另一第一端经第一滤波器1372、第一低噪声放大器1352与另一输出端口连接，第二开关单元136的四个第二端分别对应与收发端口ANT、三个轮射端口SRS1、SRS2、SRS3连接。具体的，放大模块130可通过收发端口以及三个轮射端口中的任两个来同时接收两路第二高频信号，其接收的两路第二高频信号可经第二开关单元138分别传输至对应的滤波器、低噪声放大器，以支持对两路第二高频信号的接收处理。示例性的，两路第二高频信号可包括两路N77频段的超高频信号。
在本申请实施例中，通过设置两个低噪声放大器，可以实现对两路第二高频信号的同时接收，以实现对第二高频信号的双通道接收，可以提高对第二高频信号的接收性能。
如图5所示，在其中一个实施例中，放大模块130还配置有N41收发端口TRX。其中，第二开关单元138包括三个第一端和四个第二端，具体的，第二开关单元138可为3P4T开关。相对于如图4所示的放大模块130，第二开关单元138的再一第一端与收发端口TRX(N41)连接，其中，该N41收发端口TRX可用于B41/N41放大后的信号输入，然后通过第二开关单元138切换至收发端口ANT、三个轮射端口SRS1、SRS2、SRS3中的任意端口，以实现B41/N41放大后的信号的输出。
在其中一个实施例中，也可以省略图4和图5中的第二低噪声放大器1352和第二滤波器1372，相应的，第二开关单元138可为SP4T开关，其放大模块130可以支持对一路第二高频信号的接收处理。
如图6所示，在其中一个实施例中，射频系统还包括：三个射频开关142和三个第一接收模块141。其中，第一接收模块141用于支持对第二高频信号的接收处理。三个射频开关142的一第一端分别与三个轮射端口SRS1、SRS2、SRS3一一对应连接，三个射频开关142的另一第一端分别与三个第一接收模块141一一对应连接，三个射频开关142的第二端分别与第二天线ANT1、第三天线ANT2、第四天线ANT3一一对应连接。
通过控制射频开关142的导通状态，可以使得三个第一接收模块141可以同时接收第二天线ANT1、第三天线ANT2、第四天线ANT3接收的第二高频信号，以及还可以控制第一开关单元136的导通状态，使得放大模块130中的低噪声放大器135也可以实现对第二高频信号的接收放大处理，进而可以同时支持四路第二高频信号的接收，也即，可以支持对第二高频信号的4*4MIMO功能，可以提高射频系统对第二网络的超高频信号的接收和发射性能。
如图7所示，在其中一个实施例中，射频系统还包括第三开关单元154和多个滤波模块。具体的，射频系统包括分别与放大模块130连接的第一滤波模块151、第二滤波模块152和第三滤波模块153。其中，第一滤波模块151可用于对第一放大单元131输出的信号进行滤波处理。第二滤波模块152可用于对第二放大单元132输出的信号进行滤波处理。第三滤波模块153可用于对第三放大单元133输出的信号进行滤波处理。
第三开关单元154的多个第一端分别与第一滤波模块151、第二滤波模块152、第三滤波模块153连接，第三开关单元154的第二端用于与第五天线ANT4连接。其中，第三开关单元154可用于选择导通任一滤波模块与第五天线ANT4的通路，进而可以导通个对应放大单元与第五天线ANT4间的发射通路，以将经该放大单元功率放大处理后的射频信号经第五天线ANT4发射处理。具体的，若第三开关单元154导通第五天线ANT4与第一放大单元131之间的发射通路时，可以将低频信号经第五天线ANT4发射出去。进一步的，若第三开关单元154可与各滤波模块中的滤波器或双工器连接，若第三开关单元154导通 了仅允许N5(B5)频段的信号通过的滤波器与第五天线ANT4之间的通路，则可将第一放大单元131输出的N5(B5)频段的低频信号经第五天线ANT4发射出去。
如图8所示，放大模块130中还包括分别与各放大单元连接的开关。示例性的，第一放大单元131可经第一开关1391选择输出不同频段的低频信号，第二放大单元132可经第二开关1392选择输出不同频段的中频信号，第三放大单元133可经第三开关1393选择输出不同频段的第一高频信号。各个滤波模块中可包括多个滤波器和/或双工器，以实现对各放大单元输出的各个频段射频信号的滤波处理。其中，若射频信号的通信制式为TDD制式，则该射频信号的传输路径上设置的滤波器件可以为对应频段的滤波器，若射频信号的通信制式为TDD制式，则该射频信号的传输路径上设置的滤波器件可以为对应频段的双工器。在本申请实施例中，各个滤波器、双工器仅允许预设频段的信号通过，且各个滤波器、双工器输出的射频信号的频段不同。
在其中一个实施例中，第三开关单元154可以为单刀多掷开关，也可以包括多个开关。其中，第三开关单元154的多个第一端能够与各滤波模块中的各滤波器、双工器一一对应连接，可以选择导通任一频段的低频信号、中频信号和第一高频信号传输至第五天线ANT4的通路。需要说明的是，在申请实施例中，对第三开关单元154的具体类型、数量以及组合形式不做进一步的限定。
请继续参考图8，示例性的，为了便于说明，以第三滤波模块153为例进行说明。若第三放大单元133经第三开关1393输出的第一高频信号包括N7(B7)、N40(B40)、N41(B41)这三个频段的信号，则第三滤波模块153可包括两个滤波器和一个双工器。具体的，一个滤波器仅允许N 40(B40)频段的信号通过，并滤除其他频段的杂波，一个滤波器仅允许N 41(B41)频段的信号通过，并滤除其他频段的杂波。双工器可实现N7(B7)的发射和接收的隔离，在发射和接收过程中均可仅允许N7(B7)频段的信号通过，并滤除其他频段的杂波。
示例性的，第一滤波模块151可实现对第一开关1391选择输出的低频信号的滤波处理，以输出例如N5(B5)、N8(B8)、N28A(B28A)等频段的低频信号。第二滤波模块152可实现对第二开关1392选择输出的中频信号的滤波处理，以输出例如N1(B1)、N3(B3)、N2(B2)、N34(B34)、N39(B39)等频段的中频信号。
需要说明的是，各个滤波模块所包括的滤波器、双工器不限于本申请实施例中的举例说明。其中，第一滤波模块151、第二滤波模块152、第三滤波模块153可根据对应放大单元输出的低频信号、中频信号以及第一高频信号的频段做适应性调整，以能够实现对各个频段的低频信号、中频信号以及第一高频信号进行滤波处理。
如图9所示，在其中一个实施例中，射频系统还包括第二接收模块161、第三接收模块162和第四开关单元163。其中，第二接收模块161分别与第一滤波模块151、第二滤波模块152、第三滤波模块153连接，可用于支持对2G、3G、4G、5G网络的低频、中频、高频段信号的接收处理。第三接收模块162可经过第四开关单元163分别与第五天线ANT4、第六天线ANT5一一对应连接。其中，第五天线ANT4、第六天线ANT5可用于支持对2G、3G、4G、5G网络的低频、中频、高频段信号的接收和发射。
其中，第二接收模块161、第三接收模块162可以具体包括多个用于支持不同频段的低噪声放大器、以及多个射频开关等。示例性的，第二接收模块161、第三接收模块162可以为射频低噪声放大器模组(Low noise amplifier front end module，LFEM)，还可以为带天线开关模组和滤波器的分集接收模组(Diversity Receive Module with Antenna Switch Module and SAW，DFEM)，还可以为多频段低噪放大器(Multi band Low Noise Amplifier，MLNA)等。在本申请实施例中，对第二接收模块161、第三接收模块162的具体组成不做进一步的限定。
第四开关单元163，包括两个第一端和两个第二端。其中，第四开关单元163可以为 DPDT开关。在本申请实施例中，第四开关单元163不限于上述举例说明，还可以为由多个开关组合而成。具体的，第四开关单元163的两个第一端分别与第三开关单元154、第三接收模块162一一对应连接，第四开关单元163的两个第二端分别与第五天线ANT4、第六天线ANT5一一对应连接。
示例性的，以第二接收模块161为例，阐述其对低频、中频、高频信号的接收路径如下：
低频信号的接收路径：第五天线ANT4/第六天线ANT5→第三开关单元154→第一滤波模块151→第二接收模块161。
中频信号的接收路径：第五天线ANT4/第六天线ANT5→第三开关单元154→第二滤波模块152→第二接收模块161。
高频信号的接收路径：第五天线ANT4/第六天线ANT5→第三开关单元154→第三滤波模块153→第二接收模块161。
通过在射频系统中设置第二接收模块161、第三接收模块162以及第四开关单元163，还可以支持对任一频段的射频信号的2*2MIMO功能，以提高射频系统对射频信号的接收性能。
如图10所示，在其中一个实施例中，射频系统还包括发射模块170。该发射模块170可被配置有第三供电端口VCC3。其中，第三供电端口VCC3与供电模块110连接，用于接收供电电压。具体的，发射模块170包括分别与第三供电端口VCC3连接的第五放大单元171、第六放大单元172。其中，第五放大单元171可用于在供电电压的作用下，对接收的2G网络(例如，全球移动通信(Global System for Mobile Communications，GSM))的高频信号进行放大。第六放大单元172，用于在供电电压的作用下，对接收的2G网络的低频信号进行放大。
其中，第五放大单元171、第六放大单元172与前述实施例中的各放大单元的结构相同，可以包括一个功率放大器，也可以包括功率合成单元和多个功率放大器，以实现对多个功率放大器的输出功率的合成输出。在本申请实施例中，对第五放大单元171、第六放大单元172的具体结构不做限定，也不限于上述举例说明。
在本实施例中，通过在发射模块170中设置两个可用于支持对2G网络的高频信号和2G网络的低频信号分别进行功率放大处理的两个放大单元，可以实现对2G网络的通信需求，可以拓展该射频系统的通信频段范围，以支持对语音通话的业务类型。另外，第五放大单元171、第六放大单元172可以与放大模块130中的各放大单元共用同一供电模块110，例如RF PMIC#1，可以节约成本，简化射频系统的内部结构。
如图11所示，在其中一个实施例中，第三开关单元154集成在发射模块170中。具体的，该发射模块170可配置有多个输入端口，多个输入端口能够分别与多个滤波模块中的滤波器、双工器一一对应连接。
在本实施例中，通过将第三开关单元154集成在发射模块170中，可以提高射频系统的集成度，进而减小射频系统的占用面积。
如图12和图13所示，在其中一个实施例中，发射模块170中还包括第一滤波单元173和第二滤波单元174，其中，第一滤波单元173与第五放大单元171连接，用于对第五放大单元171输出的2G网络的高频信号进行滤波处理。第二滤波单元174与第六放大单元172连接，用于对第六放大单元172输出的2G网络的低频信号进行滤波处理。具体的，第一滤波单元173可以为线性陷波器，以抑制除2G网络的高频信号以外的信号，进而实现对2G网络的高频信号的滤波处理。第二滤波单元174也可以为线性陷波器以抑制除2G网络的低频信号以外的信号，进而实现对2G网络的低频信号的滤波处理。
需要说明的是，第一滤波单元173、第二滤波单元174还可以包括多个滤波器、双工器等，在本申请实施例中，第一滤波单元173和第二滤波单元174的不限于上述举例说明。
在本实施例中，通过将第三开关单元154、第一滤波单元173、第二滤波单元174集成在发射模块170中，可以进一步提高射频系统的集成度，进而减小射频系统的占用面积。
在本申请实施例中，以第三开关单元154内置在发射模块170中，且第三开关单元154为DPDT开关为例进行说明。其中，发射模块170可被配有一天线端口，发射模块170的第三开关单元154的第二端与天线端口连接。第四开关单元163的两个第一端分别与第二接收模块161、发射模块170的天线端口连接，第四开关单元163的两个第二端用于分别与第五天线ANT4、第六天线ANT5连接。具体的，第四开关单元163可用选择导通第一接收模块161分别与第五天线ANT4、第六天线ANT5之间的接收通路，也可以用于选择导通第二接收模块162分别与第五天线ANT4、第六天线ANT5之间的接收通路。
可选的，第三开关单元也可以外置于发射模块。当第三开关单元外置于发射模块时，第四开关单元可以为3PDT开关，其中，第三开关单元的三个第一端可分别与发射模块、第二接收模块、第三开关单元的第二端连接，第三开关单元的两个第二端用于分别与第五天线、第三天线连接。在本申请实施例中，第四开关单元不限于上述举例说明，还可以为由多个开关组合而成。
如图14所示，在其中一个实施例中，射频系统还包括：第一MIMO接收模块191和第二MIMO接收模块192。具体的，第一MIMO接收模块191，与第七天线ANT6连接，用于支持对2G、3G、4G、5G网络的低频、中频、高频频段信号的接收处理；第二MIMO接收模块192，与第八天线ANT7连接，用于支持对2G、3G、4G、5G网络的低频、中频、高频频段信号的接收处理。
其中，第一MIMO接收模块191、第二MIMO接收模块192可以与前述实施例中的第二接收模块161、第三接收模块162的内部结构相同，也可以不同。
当射频系统包快第二接收模块161、第三接收模块162、第一MIMO接收模块191以及第二MIMO接收模块192时，则该射频系统可以支持对2G、3G、4G、5G网络的低频、中频、高频信号的四路同时接收，使得该射频系统可以支持对2G、3G、4G、5G网络各个频段的4*4MIMO功能，可以提高射频系统对第一网络、第二网络的各频段信号的接收和发射性能。
请继续参考图14，射频系统还包括射频收发器100，射频收发器100可分别与上述实施例中的放大模块130、第一接收模块141、第二接收模块161、第三接收模块162、发射模块170、第一MIMO接收模块191、第二MIMO接收模块192连接，可用于输出2G、3G、4G、5G网络的各频段(例如，低频、中频、高频以及超高频)的射频信号。
在本申请实施例中，射频系统还可通过设置多个天线以及多个MIMO接收模块，可以支持对2G、3G、4G、5G网络的各频段信号的4*4MIMO功能，可以提高射频系统对第一网络、第二网络的各频段信号的接收和发射性能。
如图15所示，进一步的，以通信设备为手机10为例进行说明，具体的，该手机10可包括存储器21(其任选地包括一个或多个计算机可读存储介质)、处理电路22、外围设备接口23、射频系统24、输入/输出(I/O)子系统26。这些部件任选地通过一个或多个通信总线或信号线29进行通信。本领域技术人员可以理解，图12所示的手机10并不构成对手机的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。图12中所示的各种部件以硬件、软件、或硬件与软件两者的组合来实现，包括一个或多个信号处理和/或专用集成电路。
存储器21任选地包括高速随机存取存储器，并且还任选地包括非易失性存储器，诸如一个或多个磁盘存储设备、闪存存储器设备、或其他非易失性固态存储器设备。示例性的，存储于存储器21中的软件部件包括操作系统211、通信模块(或指令集)212、全球定位系统(GPS)模块(或指令集)213等。
处理电路22和其他控制电路(诸如射频系统24中的控制电路)可以用于控制手机 10的操作。该处理电路22可以基于一个或多个微处理器、微控制器、数字信号处理器、基带处理器、功率管理单元、音频编解码器芯片、专用集成电路等。
处理电路22可以被配置为实现控制手机10中的天线的使用的控制算法。处理电路22还可以发出用于控制射频系统24中各开关的控制命令等。
I/O子系统26将手机10上的输入/输出外围设备诸如键区和其他输入控制设备耦接到外围设备接口23。I/O子系统26任选地包括触摸屏、按键、音调发生器、加速度计(运动传感器)、周围光传感器和其他传感器、发光二极管以及其他状态指示器、数据端口等。示例性的，用户可以通过经由I/O子系统26供给命令来控制手机10的操作，并且可以使用I/O子系统26的输出资源来从手机10接收状态信息和其他输出。例如，用户按压按钮261即可启动手机或者关闭手机。
射频系统24可以为前述任一实施例中的射频系统，其中，射频系统24还可用于处理多个不同频段的射频信号。例如用于接收1575MHz的卫星定位信号的卫星定位射频电路、用于处理IEEE802.11通信的2.4GHz和5GHz频段的WiFi和蓝牙收发射频电路、用于处理蜂窝电话频段(诸如850MHz、900MHz、1800MHz、1900MHz、2100MHz的频段、和Sub-6G频段)的无线通信的蜂窝电话收发射频电路。其中，Sub-6G频段可具体包括2.496GHz-6GHz频段，3.3GHz-6GHz频段。
本申请所使用的对存储器、存储、数据库或其它介质的任何引用可包括非易失性和/或易失性存储器。非易失性存储器可包括只读存储器(ROM)、可编程ROM(PROM)、电可编程ROM(EPROM)、电可擦除可编程ROM(EEPROM)或闪存。易失性存储器可包括随机存取存储器(RAM)，它用作外部高速缓冲存储器。作为说明而非局限，RAM以多种形式可得，诸如静态RAM(SRAM)、动态RAM(DRAM)、同步DRAM(SDRAM)、双数据率SDRAM(DDR SDRAM)、增强型SDRAM(ESDRAM)、同步链路(Synchlink)DRAM(SLDRAM)、存储器总线(Rambus)直接RAM(RDRAM)、直接存储器总线动态RAM(DRDRAM)、以及存储器总线动态RAM(RDRAM)。
以上实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (21)

  1. 一种射频系统，包括：
    供电模块，用于提供供电电压；
    放大模块，配置有用于与所述供电模块连接的供电端口组；其中，所述放大模块包括：
    第一放大单元，与所述供电端口组连接，用于在所述供电电压的作用下，对接收的低频信号进行放大；
    第二放大单元，与所述供电端口组连接，用于在所述供电电压的作用下，对接收的中频信号进行放大；
    第三放大单元，与所述供电端口组连接，用于在所述供电电压的作用下，对接收的第一高频信号进行放大；
    第四放大单元，与所述供电端口组连接，用于在所述供电电压的作用下，对接收的第二高频信号进行放大；所述第二高频信号的频率高于所述第一高频信号的频率；
    其中，所述射频系统用于选择输出任一所述放大单元处理后的射频信号。
  2. 根据权利要求1所述的射频系统，所述供电端口组包括第一供电端口和第二供电端口，其中，所述第一放大单元与所述第一供电端口连接，所述第二放大单元、第三放大单元、第四放大单元分别与所述第二供电端口连接。
  3. 根据权利要求1所述的射频系统，所述供电端口组包括供电端口，其中，所述第一放大单元、所述第二放大单元、第三放大单元、第四放大单元分别与所述供电端口连接。
  4. 根据权利要求1-3任一项所述的射频系统，所述放大模块还配置有用于与第一天线连接的收发端口，所述放大模块还包括：
    低噪声放大器，用于对接收的所述第二高频信号进行放大处理，以支持对所述第二高频信号的接收；
    第一开关单元，分别与所述第四放大单元的输出端、所述低噪声放大器的输入端、收发端口连接，用于选择导通所述第四放大单元与所述收发端口之间的发射通路或所述低噪声放大器与所述收发端口之间的接收通路。
  5. 根据权利要求4所述的射频系统，所述放大模块还被配置有三个轮射端口，三个所述轮射端口分别用于与第二天线、第三天线、第四天线连接；其中，所述放大模块还包括：
    第二开关单元，所述第二开关单元的第一端与所述第一开关单元的第二端连接，所述第二开关单元的四个第二端分别与收发端口、三个轮射端口一一对应连接，用于选择导通所述第四放大单元分别与收发端口、三个轮射端口之间的发射通路，以支持对所述第二高频信号在所述第一天线、第二天线、第三天线、第四天线之间的轮射功能。
  6. 根据权利要求5所述的射频系统，所述放大模块中还集成有滤波单元，所述滤波单元设置在所述第一开关单元的第二端与所述收发端口之间，用于对所述第二高频信号进行滤波处理。
  7. 根据权利要求6所述的射频系统，所述放大模块包括：第一低噪声放大器和第二低噪声放大器，所述滤波单元包括第一滤波器和第二滤波器；其中，
    所述第二开关单元的一第一端经所述第一滤波器分别与所述第一开关单元的第二端、所述第一低噪声放大器与一输出端口连接，所述第二开关单元的另一第一端经所述第一滤波器、所述第一低噪声放大器与所述另一输出端口连接，所述第二开关单元的四个第二端分别对应与所述收发端口、三个所述轮射端口一一对应连接。
  8. 根据权利要求7所述的射频系统，所述放大模块还配置有N41收发端口，其中，所述第二开关单元的再一第一端与所述N41收发端口连接，所述N41收发端口接收放大后的N41信号，并通过第二开关单元切换至收发端口、三个所述轮射端口中的任意端口，以实现对N41信号的输出。
  9. 根据权利要求5所述的射频系统，所述射频系统还包括：三个射频开关和三个第一接收模块，其中，所述第一接收模块用于支持对所述第二高频信号的接收处理；
    三个射频开关的一第一端分别与三个所述轮射端口一一对应连接，三个射频开关的另一第一端分别与三个所述第一接收模块一一对应连接，三个射频开关的第二端分别与所述第二天线、第三天线、第四天线一一对应连接。
  10. 根据权利要求1-3任一项所述的射频系统，所述射频系统还包括：
    第一滤波模块，与所述放大模块连接，用于对所述第一放大单元输出的信号进行滤波处理；
    第二滤波模块，与所述放大模块连接，用于对所述第二放大单元输出的信号进行滤波处理；
    第三滤波模块，与所述放大模块连接，用于对所述第三放大单元输出的信号进行滤波处理；
    第三开关单元，所述第三开关单元的多个第一端分别与所述第一滤波模块、第二滤波模块、第三滤波模块连接，所述第三开关单元的第二端用于与第五天线连接。
  11. 根据权利要求10所述的射频系统，所述射频系统还包括：
    第二接收模块，分别与所述第一滤波模块、所述第二滤波模块、所述第三滤波模块连接，用于支持对所述低频信号、所述中频信号、所述第一高频段信号的主集接收处理；
    第三接收模块，用于支持对所述低频信号、所述中频信号、所述第一高频段信号的接收处理；
    第四开关单元，包括两个第一端和两个第二端，其中，两个第一端分别与所述第三接收模块、所述第三开关单元一一对应连接，两个第二端用于分别与所述第五天线、第六天线一一对应连接。
  12. 根据权利要求10所述的射频系统，所述射频系统还包括：
    发射模块，配置有用于与所述供电模块连接的第三供电端口，所述发射模块包括：
    第五放大单元，与所述第三供电端口连接，用于在所述供电电压的作用下，对接收的2G网络的高频信号进行放大；
    第六放大单元，与所述第三供电端口连接，用于在所述供电电压的作用下，对接收的2G网络的低频信号进行放大。
  13. 根据权利要求12所述的射频系统，所述第三开关单元集成在所述发射模块中，其中，所述发射模块被配置有多个输入端口，多个所述输入端口分别与多个滤波模块一一对应连接，所述第三开关单元的多个第一端分别与各所述输入端口、所述第五放大单元、所述第六放大单元的输出端连接，所述第三开关单元的第二端与第五天线连接。
  14. 根据权利要求13所述的射频系统，所述发射模块还包括第一滤波单元和第二滤波单元，其中，
    所述第一滤波单元的第一端与所述第五放大单元的输出端连接，所述第一滤波单元的第二端与所述第三开关单元的另一第一端连接，用于对所述第五放大单元输出的2G网络的高频信号进行滤波处理，
    所述第二滤波单元的第一端与所述第六放大单元的输出端连接，所述第二滤波单元的第二端与所述第三开关单元的又一第一端连接，用于对所述第六放大单元输出的2G网络的低频信号进行滤波处理。
  15. 根据权利要求1所述的射频系统，所述射频系统还包括：
    第一MIMO接收模块，与第七天线连接，用于支持对所述低频信号、所述中频信号、所述第一高频段信号的接收处理；
    第二MIMO接收模块，与第八天线连接，用于支持对所述低频信号、所述中频信号、所述第一高频段信号的接收处理。
  16. 根据权利要求1所述的射频系统，所述放大模块为多频多模放大器。
  17. 根据权利要求2所述的射频系统，所述射频系统被配置为支持5G NR的独立组网工作模式。
  18. 根据权利要求1所述的射频系统，所述供电模块包括电源管理芯片，其中，所述电源管理芯片的输出电压小于所述电源管理芯片的输入电压，或，第一供电模块包括降压电源。
  19. 根据权利要求18所述的射频系统，所述供电电压小于或等于3.6V。
  20. 根据权利要求1所述的射频系统，所述射频系统还包括：
    射频收发器，与放大模块连接，用于输出所述低频信号、所述中频信号、所述第一高频段信号和所述第二高频段信号。
  21. 一种通信设备，包括如权利要求1-20任一项所述的射频系统。
PCT/CN2022/106448 2021-08-12 2022-07-19 射频系统和通信设备 WO2023016199A1 (zh)

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