WO2023142766A1 - Module frontal radiofréquence et système radiofréquence - Google Patents

Module frontal radiofréquence et système radiofréquence Download PDF

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Publication number
WO2023142766A1
WO2023142766A1 PCT/CN2022/139655 CN2022139655W WO2023142766A1 WO 2023142766 A1 WO2023142766 A1 WO 2023142766A1 CN 2022139655 W CN2022139655 W CN 2022139655W WO 2023142766 A1 WO2023142766 A1 WO 2023142766A1
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Prior art keywords
radio frequency
module
power supply
network
signal
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PCT/CN2022/139655
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English (en)
Chinese (zh)
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 WO2023142766A1 publication Critical patent/WO2023142766A1/fr

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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

Definitions

  • the present application relates to the technical field of antennas, in particular to a radio frequency front-end module and a radio frequency system.
  • a dual connection mode of 4G signals and 5G signals is usually used in a Non-Standalone (NSA) mode.
  • NSA Non-Standalone
  • a power supply module with a built-in boost circuit is used to supply power to the radio frequency circuits used to support the amplification and processing of 4G signals and 5G signals respectively, which is costly.
  • a radio frequency front-end module and a radio frequency system are provided.
  • the embodiment of the present application provides a radio frequency front-end module, including:
  • a first power supply module configured to provide a first power supply voltage
  • a second power supply module configured to provide a second power supply voltage
  • a first radio frequency processing circuit connected to the first power supply module, configured to support the transmission processing of the received first high-frequency signal and second high-frequency signal of the first network under the action of the first power supply voltage ;
  • the second radio frequency processing circuit is connected to the second power supply module, and is used to support the transmission processing of the received target signal of the second network under the action of the second power supply voltage; wherein, the first power supply voltage greater than the second supply voltage.
  • An embodiment of the present application provides a radio frequency system, including:
  • the first radio frequency processing circuit and the second radio frequency processing circuit are respectively connected to the radio frequency transceiver.
  • the above radio frequency front-end module and radio frequency system can make the first radio frequency processing circuit and the second radio frequency processing circuit The circuits work at the same time, so that the RF front-end module can output two signals with different networks at the same time to support the amplification of 4G LTE signals and 5G NR signals, and then realize the dual connection of 4G LTE signals and 5G NR signals.
  • the second radio frequency processing circuit does not need to support the radio frequency signal of the first network, such as the transmission processing of the 5G NR frequency band signal.
  • the power amplifying units in the first radio frequency processing circuit and the second radio frequency processing circuit need to be specially designed, and the radio frequency front-end module provided in the embodiment of the present application can reduce the cost.
  • Fig. 1 is one of framework schematic diagrams of radio frequency front-end module in an embodiment
  • Fig. 2 is the second frame schematic diagram of the radio frequency front-end module in an embodiment
  • Fig. 3 is the third schematic diagram of the framework of the radio frequency front-end module in an embodiment
  • Fig. 4 is the frame diagram four of radio frequency front-end module in an embodiment
  • Fig. 5 is the fifth schematic diagram of the framework of the radio frequency front-end module in an embodiment
  • Fig. 6 is the sixth schematic diagram of the framework of the radio frequency front-end module in an embodiment
  • FIG. 7 is the seventh schematic diagram of the framework of the radio frequency front-end module in an embodiment
  • Figure 8 is the eighth schematic diagram of the framework of the radio frequency front-end module in an embodiment
  • Fig. 9 is a schematic structural diagram of a communication device provided with a radio frequency system 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 front-end module involved in the embodiment of the present application can be applied to a radio frequency system with a wireless communication function, and its radio frequency system can be applied to a communication device, which can be a handheld device, a vehicle device, a wearable device, a computing device or a connected Other processing devices to wireless modems, and various forms of user equipment (User Equipment, UE) (eg, mobile phones), mobile stations (Mobile Station, MS) and so on.
  • UE User Equipment
  • MS Mobile Station
  • An embodiment of the present application provides a radio frequency front-end module.
  • the radio frequency front-end module provided by the embodiment of the present application is configured to support the non-independent networking working mode of 5G NR and the long term evolution network (long term evolution, LTE) working mode supporting 4G LTE. That is to say, the radio frequency front-end module provided by the embodiment of the present application can work in non-independent networking NSA working mode and LTE working mode (or called LTE only working mode).
  • the non-independent networking working mode includes any one of EN-DC, NE-DC and NGEN-DC architectures.
  • the EN-DC architecture is used as an example for illustration.
  • E stands for Evolved-Universal Mobile Telecommunications System Terrestrial Radio Access (E-UTRA), representing 4G wireless access of mobile terminals
  • N stands for New Radio (NR), representing mobile The 5G wireless connection of the terminal
  • DC stands for Dual Connectivity, representing the dual connection of 4G and 5G.
  • E-UTRA Evolved-Universal Mobile Telecommunications System Terrestrial Radio Access
  • NR New Radio
  • DC Dual Connectivity, representing the dual connection of 4G and 5G.
  • the RF front-end module can realize dual connections with 4G base stations and 5G base stations at the same time.
  • the RF front-end module in order to meet the configuration requirements of the EN-DC combination between different frequency bands of 4G LTE signals and 5G NR signals, in the RF front-end module, two power supply modules including boost circuits are used to process different RF signals respectively. Circuit power supply, its cost is high.
  • the power amplifier unit in the RF processing circuit must be specially designed, for example, the power The amplifying unit adopts a power combining method to perform power combining processing on the radio frequency signals of each frequency band, which can reduce the voltage value of each supply voltage under the premise of meeting the output power level, but it will increase the complexity and cost of the power amplifier unit.
  • the RF front-end module 10 provided by the embodiment of the present application includes: a first power supply module 110, a second power supply module 120, a first radio frequency processing circuit 130 and a second radio frequency processing circuit 140.
  • the first power supply module 110 is used for providing a first power supply voltage
  • the second power supply module 120 is used for providing a second power supply voltage, wherein the first power supply voltage is greater than the second power supply voltage
  • both the first power supply module 110 and the second power supply module 120 may include a power management chip (Power management IC, PMIC).
  • the first radio frequency processing circuit 130 is connected to the first power supply module 110 and configured to support the transmission processing of the received first high-frequency signal and the second high-frequency signal of the first network under the action of the first power supply voltage.
  • the second radio frequency processing circuit 140 is connected to the second power supply module 120 and configured to support the transmission processing of the received target signal of the second network under the action of the second power supply voltage.
  • the first high-frequency signal and the second high-frequency signal of the first network received by the first radio frequency processing circuit 130 and the target signal of the second network received by the second radio frequency processing circuit 140 are respectively provided by the radio frequency transceiver 20 .
  • the signals processed by the first radio frequency processing circuit 130 and the second radio frequency processing circuit 140 can be radiated to free space through the antenna.
  • the first power supply module 110 can supply power to the first radio frequency processing circuit 130 .
  • the second power supply module 120 can supply power to the second radio frequency processing circuit 140 .
  • Each radio frequency processing circuit can perform power amplification, filtering and other processing on the received radio frequency signals under the action of the power supply voltage to realize the transmission processing of the received radio frequency signals.
  • the first network may be a 5G network, where the radio frequency signal of the first network may be called a New Radio (NR) signal, that is, a 5G NR signal.
  • the second network may be a 4G network, wherein the radio frequency signal of the second network may be called a Long Term Evolution (Long Term Evolution, LTE) signal, that is, a 4G LTE signal.
  • LTE Long Term Evolution
  • the frequency band division of the low frequency signal, the intermediate frequency signal, the first high frequency signal (also called high frequency signal) and the second high frequency signal (also called ultra high frequency signal) is shown in Table 1.
  • Table 1 is the frequency band division table for low frequency signal, intermediate frequency signal, first high frequency signal and second high frequency signal
  • 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 first radio frequency processing circuit 130 and the second radio frequency processing circuit 130 can be connected
  • the two radio frequency processing circuits 140 work at the same time, so that the radio frequency front-end module 10 can output two signals with different networks at the same time, so as to support the amplification of 4G LTE signals and 5G NR signals, and then realize the 4G LTE signals and 5G NR signals. double connection.
  • the first signal is the signal amplified and processed by the first radio frequency processing circuit 130, for example, it may be the first high frequency signal and the second high frequency signal of the first network.
  • the second signal is the signal processed by the second radio frequency processing circuit 140, for example, it may be the target signal of the second network, wherein the target signal may be at least one of the intermediate frequency signal of the second network and the low frequency signal of the second network A sort of. Therefore, the combination of the first signal and the second signal can meet the configuration requirements of different EN-DC combinations between 4G LTE signals and 5G NR signals, as shown in Table 2.
  • Table 2 is the configuration table of different EN-DC combinations between 4G LTE signals and 5G NR signals
  • the radio frequency front-end module 10 can be configured to support the first high-frequency signal and the second high-frequency signal (for example, N41, N78, etc. of 5G NR) of the first network and the target signal of the second network (for example, the signal of 4G LTE) Low frequency signal or/and intermediate frequency signal) dual connection non-independent networking working mode.
  • the first high-frequency signal and the second high-frequency signal for example, N41, N78, etc. of 5G NR
  • the target signal of the second network for example, the signal of 4G LTE) Low frequency signal or/and intermediate frequency signal
  • the radio frequency front-end module 10 of the embodiment of the present application includes a first power supply module 110, a second power supply module 120, a first radio frequency processing circuit 130 and a second radio frequency processing circuit 140, wherein the first power supply module 110, the second power supply module 120 can respectively supply power to the first radio frequency processing circuit 130 and the second radio frequency processing circuit 140 in one-to-one correspondence, so that the first radio frequency processing circuit 130 can support the first high-frequency reception of the first network under the action of the first power supply voltage.
  • the second radio frequency processing circuit 140 can support the target signal transmission processing of the second network received under the action of the second power supply voltage, wherein the frequency range of the target signal is lower than
  • the frequency range of the first high-frequency signal and the second high-frequency signal can further support the simultaneous amplification of 4G LTE signals and 5G NR signals, thereby realizing the dual transmission function of 4G LTE signals and 5G NR signals without conflicting with each other , which can meet the configuration requirements of EN-DC combination between different frequency bands of 4G LTE signal and 5G NR signal.
  • the second radio frequency processing circuit 140 does not need to support the transmission processing of the radio frequency signal of the first network, such as the 5G NR frequency band signal.
  • the RF front-end module 10 provided in the embodiment of the present application can reduce the cost.
  • the first power supply module 110 adopts an envelope tracking (Envelope Tracking, ET) power supply mode to provide the first power supply voltage.
  • the first power supply module 110 may include RF PMIC#1, and RF PMIC#1 includes a boost circuit, and the output voltage of RF PMIC#1 is greater than the input voltage of RF PMIC#1.
  • the second power supply module 120 provides a second power supply voltage in an average power tracking (Average Power Tracking, APT) power supply mode. Wherein the second power supply module 120 may include RF PMIC#2, RF PMIC#2 does not include a boost circuit, and the output voltage of RF PMIC#2 is less than or equal to the input voltage of RF PMIC#2. At the same time, the output voltage of RF PMIC#1 is greater than the output voltage of RF PMIC#2.
  • the second radio frequency processing circuit 140 does not need to support the transmission processing of the radio frequency signal of the first network, and the power supply through the ordinary average power tracking power supply mode (without boost function) can meet the requirements for the second radio frequency signal.
  • the first radio frequency processing circuit 130 is powered by an envelope tracking power supply module (with a boost function), which ensures the radio frequency performance of the first network signal. In this way, the built-in boost circuit in the second power supply module 120 can be avoided, and no special design is required for the power amplifying units in the first RF processing circuit 130 and the second RF processing circuit 140.
  • the RF The front-end module 10 can reduce the cost.
  • the first radio frequency processing circuit 130 includes a first radio frequency processing module 131 and a second radio frequency processing module 133 .
  • the first radio frequency processing module 131 is configured with a first power supply port VCC1
  • the first radio frequency processing module 131 includes a first transmitting unit 1311
  • the first transmitting unit 1311 is connected to the first power supply port VCC1
  • the first transmitting unit 1311 uses Under the action of the first power supply voltage, the power amplification processing of the first high-frequency signal is supported, and the power-amplified first high-frequency signal is output to the first antenna ANT1.
  • the first high frequency signal may include high frequency band signals such as N41 and N40.
  • the first radio frequency processing module 131 may not only support the transmission processing of the first high-frequency signal, but also be used to support the reception processing of the first high-frequency signal. That is, the first radio frequency processing module 131 may be a transceiver circuit for supporting the first high frequency signal.
  • the first radio frequency processing module 131 may also support the transmission processing of the intermediate frequency signal of the first network.
  • the first radio frequency processing module 131 is also configured with a third power supply port VCC3.
  • the first radio frequency processing module 131 includes a second transmitting unit 1313.
  • the second transmitting unit 1313 is connected to the third power supply port VCC3, and the second transmitting unit 1313 is also used to support the power amplification processing of the intermediate frequency signal of the first network, and output the intermediate frequency signal of the first network after power amplification to the first Antenna ANT1.
  • the intermediate frequency signals of the first network may include frequency bands such as N1, N3, N2, N7, N34, and N39.
  • the first radio frequency processing module 131 may not only support the transmission and processing of the IF signal of the first network, but also be used to support the reception and processing of the IF signal of the first network. That is, the first radio frequency processing module 131 may be a transceiver circuit for supporting intermediate frequency signals to the first network.
  • the first transmitting unit 1311 and the second transmitting unit 1313 are integrated in the first radio frequency processing module 131 .
  • the first radio frequency processing module 131 can also be a power amplifier module (Power amplifier module integrated duplexer, PA Mid) with an integrated duplexer, or a PA Mid with a built-in low noise amplifier, that is, L-PA Mid .
  • Each port configured on the first radio frequency processing module 131 can be understood as a radio frequency pin of a PA Mid device or an L-PA Mid device.
  • the first radio frequency processing module 131 is a phase 7MHB L-PAMID device as an example for description.
  • the first radio frequency processing module 131 integrates a mid-high frequency power amplifier MHB PA, a mid-high frequency low noise amplifier MHB LNA, a duplexer, a filter, a coupler and a switch.
  • the first radio frequency processing module 131 can realize the transmission and reception of medium and high frequency band 3G cellular network WCDMA, 4G LTE signals and frequency recombination NR band, for example, the receiving and transmitting processing of N41 frequency band.
  • the receiving and transmitting functions of N41 can be realized through the first radio frequency processing module 131, and the use of an external N41 integrated filter and low noise amplifier power amplifier switch module (LNA-PA) in the related art can be avoided.
  • ASM module with integrated filter, referred to as LPAF) to realize the receiving and transmitting processing of the N41 frequency band, which can save costs, for example, it can save about 1.2 US dollars.
  • the first transmitting unit 1311 and the second transmitting unit 1313 can be integrated in the first radio frequency processing module 131 , which can further improve the integration degree of the radio frequency front-end module 10 , and facilitate the miniaturization design of the radio frequency front-end module 10 .
  • the second radio frequency processing module 133 is configured with a second power supply port VCC2, and the second power supply port VCC2 is connected to the first power supply module 110.
  • the second radio frequency processing module 133 is used for It supports power amplification and filtering of the second high-frequency signal, and outputs the filtered second high-frequency signal to the second antenna ANT2.
  • the second radio frequency processing module 133 may not only support the transmission processing of the second high frequency signal, but also support the reception processing of the second high frequency signal.
  • the second high-frequency signal is an N78 frequency band signal as an example for description.
  • the second radio frequency processing module 133 may be a transceiver circuit for supporting N78 frequency band signals.
  • the second radio frequency processing module 133 can be an N78LPAF device, which integrates power amplifiers, filters, low noise amplifiers, couplers and switches that can support N78 signals, so as to realize the reception and amplification processing of N78 frequency band signals.
  • Each port configured on the second radio frequency processing module 133 may be understood as a radio frequency pin of the LPAF.
  • the second radio frequency processing module 133 adopts an independent integrated device, such as an LPAF device, which can further improve the integration of the radio frequency front-end module 10 , and facilitates the miniaturization design of the radio frequency front-end module 10 .
  • the second radio frequency processing circuit includes: a first transmitting module 141 connected to the second power supply module 120, the first transmitting module 141 is used to, under the action of the second power supply voltage, Support the transmission processing of the target signal of the second network, and output the target signal to the third antenna ANT3.
  • the target signal of the second network may include a low-frequency signal of the second network, for example, frequency band signals such as B5 and B8.
  • the target signal of the second network may include an intermediate frequency signal of the second network, for example, B34, B39 and other frequency band signals.
  • the target signal of the second network may include a low frequency signal of the second network and an intermediate frequency signal of the second network.
  • the first transmitting module 141 is configured with a fourth power supply port VCC4 and a fifth power supply port VCC5 , wherein the first transmitting module 141 includes a third transmitting unit 1411 and a fourth transmitting unit 1413 .
  • the third transmitting unit 1411 is connected to the second power supply module 120 through the fourth power supply port VCC4, and is used for supporting the transmission and processing of the low-frequency signal of the second network.
  • the fourth transmitting unit 1413 is connected to the second power supply module 120 through the fifth power supply port VCC5, and is used to support the transmission and processing of the intermediate frequency signal of the second network.
  • the RF front-end module 10 further includes: a second transmitting module 150 connected to the second power supply module 120 , the third transmitting unit 1411 , the fourth transmitting unit 1413 and the third antenna ANT3 respectively.
  • the second transmission module 150 is used to support the transmission processing of the radio frequency signal of the third network, and is used to select and conduct the intermediate frequency signal of the second network, the low frequency signal of the second network and the radio frequency signal of the third network to transmit to the third network.
  • the second transmitting module 150 may include a first amplifying unit 151 , a second amplifying unit 153 and a first switching unit 155 .
  • the first amplifying unit 151 is used to support the power amplification processing of the low frequency signal of the third network under the action of the second power supply voltage
  • the second amplifying unit 153 is used to support the power amplification processing of the intermediate frequency signal of the third network .
  • the third network may be a 2G network, for example, Global System for Mobile Communications (GSM).
  • GSM Global System for Mobile Communications
  • the low-frequency signal of the third network may be a low-frequency signal of the 2G network, for example, may at least include GSM850, GSM900 and other frequency band signals.
  • the intermediate frequency signal of the third network may be a 2G high frequency signal, for example, may at least include GSM1800, GSM1900 and other frequency band signals.
  • the first switch unit 155 is a multi-channel selector switch, wherein a plurality of first ends of the first switch unit 155 are respectively connected to the first amplifying unit 151, the second amplifying unit 153, the third transmitting unit 1411, and the fourth transmitting unit 1413 , the second end of the first switch unit 155 is connected to the third antenna ANT3.
  • the first switch unit 155 can selectively conduct the radio frequency paths between the first amplifying unit 151, the second amplifying unit 153, the third transmitting unit 1411, and the fourth transmitting unit 1413 and the third antenna ANT3 respectively, and then can selectively conduct The intermediate frequency signal of the second network, the low frequency signal of the second network and the radio frequency signal of the third network are transmitted to the radio frequency channel of the third antenna ANT3.
  • the second transmitting module 150 may be a transmitting module (Transmitter Module, TxM).
  • TxM Transmitter Module
  • the transmitter module integrates a power amplifier that supports GSM low frequency and GSM high frequency, a multi-channel selection switch xPyT and a coupler, which can realize the amplification and output of the third network radio frequency signal and the transmission combination of signals in other frequency bands.
  • the integration degree of the RF front-end module 10 can be further improved, which is beneficial to the miniaturization design of the RF front-end module 10 .
  • the first transmitting module 141 further includes a fifth transmitting unit 1415 respectively connected to the fifth power supply port VCC5 for supporting the transmission and processing of the high-frequency signal of the second network.
  • the fifth transmitting unit 1415 can be connected to the other first end of the first switch unit 155 in the second transmitting module 150, so that the first switch unit 155 can also selectively conduct the high-frequency signal of the second network to transmit to the second network.
  • the first transmitting module 141 may be a multi-band multi-mode power amplifier (MMPA) with built-in multiple amplifying units.
  • MMPA multi-band multi-mode power amplifier
  • the first transmitting module 141 is a phase 2MMPA device as an example for illustration.
  • the first transmitting module 141 integrates power amplifiers for supporting low-frequency, intermediate-frequency, and high-frequency signals, and can implement power amplification processing for amplifying low-frequency, intermediate-frequency, and high-band WCDMA signals and LTE signals.
  • the RF front-end module 10 When the RF front-end module 10 needs to work in the ENDC, it can also be used to support the power amplification processing of the 4G LTE signal low frequency and intermediate frequency anchor frequency bands, so as to realize the transmission processing of the 4G LTE signal low frequency and intermediate frequency anchor frequency bands.
  • the integration degree of the radio frequency front-end module 10 can be further improved, which is beneficial to RF front-end module 10 miniaturization design.
  • the RF front-end module 10 can work under the working mode of ENDC (for example, (L/MB+N41, L/MB+N78), and can support the N41 frequency band signal through the first RF processing module 131, such as Phase 7PAMID Transmit processing, so that it can avoid using the high-cost and supply-risk external N41LPAF device adopted in the related technology, which can reduce the cost, such as 1.2 US dollars, wherein, the 4G LTE anchor frequency band passes through the third transmitting module 142 (such as phase 2MMPA ) to achieve.
  • ENDC for example, (L/MB+N41, L/MB+N78)
  • the N41 frequency band signal through the first RF processing module 131, such as Phase 7PAMID Transmit processing, so that it can avoid using the high-cost and supply-risk external N41LPAF device adopted in the related technology, which can reduce the cost, such as 1.2 US dollars
  • the 4G LTE anchor frequency band passes through the third transmitting module 142 (such as phase 2MMPA )
  • the third transmission module 142 does not need to support the transmission processing of the 5G NR frequency band, and only needs the ordinary second power supply module 120 (without boost function) to supply power to it, which can meet the requirements of 3G/4G
  • the radio frequency performance can reduce the cost.
  • the radio frequency front-end module 10 provided in the embodiment of this application can save the cost of about 2.5 US dollars on the premise of realizing the same function.
  • the RF front-end module 10 further includes a first receiving module 160 connected to the first switch unit 155 in the second transmitting module 150 .
  • the first receiving module 160 can be used to support the receiving and processing of the low, middle and high frequency band signals of the first network and the second network, and can also be used to support the receiving and processing of the third network signal.
  • the first receiving module 160 may specifically include a plurality of low noise amplifiers, filters, duplexers, switches, etc. for supporting different frequency bands.
  • the first receiving module 160 may be a radio frequency low noise amplifier module (Low noise amplifier front end module, LFEM), and may also be a diversity receiving module (Diversity Receive Module with Antenna) with an antenna switch module and a filter.
  • Switch Module and SAW, DFEM) can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA) and so on.
  • MLNA Multi band Low Noise Amplifier
  • the second radio frequency processing circuit 140 includes: a third transmitting module 142 and a fourth transmitting module 143 .
  • the third transmission module 142 is configured with a sixth power supply port VCC6 for connecting with the second power supply module 120, and the second transmission module 150 is used to support the intermediate frequency signal to the second network under the action of the second power supply voltage transmit processing, and output the intermediate frequency signal of the second network to the fourth antenna ANT4.
  • the fourth transmitting module 143 is configured with a seventh power supply port VCC7 for connecting to the second power supply module 120, and the fourth transmitting module 143 is used to support the transmission of low-frequency signals of the second network under the action of the second power supply voltage process, and output the low-frequency signal of the second network to the fifth antenna ANT5.
  • the transmitting module supporting the transmission processing of the intermediate frequency signal of the second network and the transmitting module supporting the transmission processing of the low frequency signal of the second network are two independent module. That is, when the RF front-end module 10 works in ENDC, the transmission processing of the 4G LTE intermediate frequency anchor frequency band is supported by the third transmission module 142, and the transmission processing of the 4G LTE low frequency anchor frequency band is supported by the fourth transmission module 143. In addition, the power supply voltages of the third transmitting module 142 and the fourth transmitting module 143 are supported by the second power supply module 120 without a boost circuit, which can reduce the cost of the radio frequency front-end module 10 .
  • the third transmission module 142 is also used to support the transmission processing of the low-frequency signal and high-frequency signal of the second network, and select any one of the low-frequency signal, medium-frequency signal and high-frequency signal of the second network to output A frequency band signal is sent to the fourth antenna ANT4.
  • the third transmitting module 142 may be an MMPA device.
  • the third transmitting module 142 is a phase 2MMPA device as an example for illustration.
  • the third transmitting module 142 integrates power amplifiers for supporting low-frequency, intermediate-frequency and high-frequency signals, and can implement power amplification processing for amplifying low-frequency, intermediate-frequency and high-band WCDMA signals and LTE signals.
  • the radio frequency front-end module 10 When the radio frequency front-end module 10 needs to work in the ENDC, it can also be used to support the power amplification processing of the 4G LTE signal intermediate frequency anchor frequency band, so as to realize the transmission processing of the 4G LTE signal intermediate frequency anchor frequency band.
  • the fourth transmission module 143 is also used to support the transmission processing of the radio frequency signal of the third network, and select to output the low frequency signal of the second network and the radio frequency signal of the third network. any frequency band signal to the fifth antenna ANT5.
  • the fourth transmitting module 143 includes a third amplifying unit 1431 , a fourth amplifying unit 1432 , a fifth amplifying unit 1433 and a second switching unit 1434 respectively connected to the seventh power supply port VCC7.
  • the third amplifying unit 1431 is used to support the transmission processing of the low-frequency signal of the second network under the action of the second power supply voltage, wherein the low-frequency signal of the second network may include but not limited to B5 and B8 frequency band signals.
  • the fourth amplifying unit 1432 and the fifth amplifying unit 1433 reference may be made to the first amplifying unit 151 and the second amplifying unit 153 in the foregoing embodiments, and details will not be repeated here.
  • the second switch unit 1434 can be a multi-channel selection switch, wherein the first ends of the second switch unit 1434 are respectively connected to the third amplifying unit 1431, the fourth amplifying unit 1432 and the fifth amplifying unit 1433, and the second switching unit
  • the second end of 1434 is connected to the fifth antenna ANT5 through the antenna port of the fourth transmitting module 143, and is used to select and output any frequency band signal among the low frequency signal of the second network and the radio frequency signal of the third network to the fifth antenna ANT5.
  • the fourth transmitting module 143 can be a phase 7LB PAMID device, and the fourth transmitting module 143 integrates a power amplifier for supporting 4G LTE low-frequency signals, a power amplifier for supporting GSM low-frequency signals, and a power amplifier for supporting GSM high-frequency signals.
  • the amplifier, duplexer, coupler and second switch unit 1434 realize the transmission of radio frequency signals of the third network such as GSM low-frequency signals and high-frequency signals, and support the transmission of low-frequency WCDMA signals and 4G LTE signals.
  • the RF front-end module 10 when the RF front-end module 10 is in the ENDC mode, it can also support the transmission processing of the low-frequency anchor frequency band of the 4G LTE signal.
  • the radio frequency front-end module 10 can work under the working mode of ENDC (for example, (L/MB+N41, L/MB+N78), and can be supported by the first radio frequency processing module 131, such as Phase 7PAMID To the transmission processing of N41 frequency band signal, so just can avoid using the high cost that adopts in the relevant technology and the plug-in N41LPAF that there is supply risk.
  • 4G LTE anchor frequency band passes the 3rd transmission module 142 (for example phase 2MMPA) and the 4th transmission module 142 Transmitting module 143 (for example Phase 7LB PAMID) realizes.
  • the 3rd transmitting module 142 and the 4th transmitting module 143 do not need to support the transmission process to 5G NR frequency band, then only need common second power supply module 120 (Without the boost function) to supply power to it, it can meet the 3G/4G radio frequency performance, and can reduce the cost, such as 1.3 US dollars.
  • the radio frequency front-end module for example, (L/MB+N41, L
  • the RF front-end module 10 further includes a second receiving module 170 and a switch module 180 .
  • the second receiving module 170 can be used to support the receiving and processing of the low, medium and high frequency band signals of the first network and the second network, and can also be used to support the receiving and processing of the third network signal.
  • a plurality of first ends of the switch module 180 are respectively connected to the second receiving module 170, and a second end of the switch module 180 is connected to the fifth antenna ANT5.
  • the switch module 180 is used to select and conduct the receiving channel of any frequency band signal.
  • the switch module 180 can also be connected with the third transmitting module 142, and is used to select and conduct the transmitting path or the receiving path of the radio frequency signal.
  • any frequency band signal may be any frequency band among the low, middle and high frequency band signals of the first network and the second network, or may be a low frequency signal or a high frequency signal of the third network.
  • the second receiving module 170 may specifically include a plurality of low noise amplifiers, filters, duplexers, switches, etc. for supporting different frequency bands.
  • the first receiving module 160 may be a radio frequency low noise amplifier module (Low noise amplifier front end module, LFEM), and may also be a diversity receiving module (Diversity Receive Module with Antenna) with an antenna switch module and a filter.
  • Switch Module and SAW, DFEM can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA) and so on.
  • MLNA Multi band Low Noise Amplifier
  • the mobile phone may include a memory 21 (which optionally includes one or more computer-readable storage medium), processing circuit 22, peripheral device interface 23, radio frequency system 24, input/output (I/O) subsystem 26. These components optionally communicate via one or more communication buses or signal lines 29 .
  • a memory 21 which optionally includes one or more computer-readable storage medium
  • processing circuit 22 peripheral device interface 23
  • radio frequency system 24 input/output subsystem 26.
  • I/O subsystem 26 input/output subsystem 26.
  • These components optionally communicate via one or more communication buses or signal lines 29 .
  • the mobile phone shown in FIG. 9 does not constitute a limitation to the mobile phone, and may include more or less components than those shown in the figure, or combine some components, or arrange different components.
  • the various components shown in FIG. 9 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 circuit 22 may include one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, and the like.
  • the processing circuit 22 may be configured to implement a control algorithm that controls the use of antennas in the handset 10 .
  • the processing circuit 22 may also issue control commands 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 start the mobile phone or turn off the mobile phone by pressing the button 261.
  • the radio frequency system 24 may include the radio frequency front-end module 10 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 Link (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 Link (Synchlink) DRAM
  • SLDRAM Synchronous Link (Synchlink) DRAM
  • Rambus direct RAM
  • DRAM direct memory bus dynamic RAM
  • RDRAM memory bus dynamic RAM

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

L'invention concerne un module frontal radiofréquence. Le module frontal radiofréquence comprend un premier module d'alimentation électrique (110), un second module d'alimentation électrique (120), un premier circuit de traitement radiofréquence (130) et un second circuit de traitement radiofréquence (140), le premier circuit de traitement radiofréquence (130) étant connecté au premier module d'alimentation électrique (110) et utilisé pour prendre en charge le traitement de transmission d'un premier signal haute fréquence reçu et d'un second signal haute fréquence d'un premier réseau sous l'action d'une première tension d'alimentation électrique ; le second circuit de traitement radiofréquence (140) étant connecté au second module d'alimentation électrique (120) et utilisé pour prendre en charge le traitement de transmission d'un signal cible reçu d'un second réseau sous l'action d'une seconde tension d'alimentation électrique.
PCT/CN2022/139655 2022-01-28 2022-12-16 Module frontal radiofréquence et système radiofréquence WO2023142766A1 (fr)

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CN202220241854.9 2022-01-28
CN202220241854.9U CN216721326U (zh) 2022-01-28 2022-01-28 射频前端模组和射频系统

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CN216721326U (zh) * 2022-01-28 2022-06-10 Oppo广东移动通信有限公司 射频前端模组和射频系统

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CN113659995A (zh) * 2021-08-12 2021-11-16 Oppo广东移动通信有限公司 射频系统和通信设备
CN113676209A (zh) * 2021-08-12 2021-11-19 Oppo广东移动通信有限公司 放大器模组、射频系统及通信设备
CN113676211A (zh) * 2021-08-12 2021-11-19 Oppo广东移动通信有限公司 放大器模组、射频系统及通信设备
CN113676207A (zh) * 2021-08-12 2021-11-19 Oppo广东移动通信有限公司 发射模组、射频系统及通信设备
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US20210258028A1 (en) * 2020-02-14 2021-08-19 Murata Manufacturing Co., Ltd. Radio frequency circuit, radio frequency module, and communication device
CN113659995A (zh) * 2021-08-12 2021-11-16 Oppo广东移动通信有限公司 射频系统和通信设备
CN113676209A (zh) * 2021-08-12 2021-11-19 Oppo广东移动通信有限公司 放大器模组、射频系统及通信设备
CN113676211A (zh) * 2021-08-12 2021-11-19 Oppo广东移动通信有限公司 放大器模组、射频系统及通信设备
CN113676207A (zh) * 2021-08-12 2021-11-19 Oppo广东移动通信有限公司 发射模组、射频系统及通信设备
CN216721326U (zh) * 2022-01-28 2022-06-10 Oppo广东移动通信有限公司 射频前端模组和射频系统

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