CN116346157A - Radio frequency circuit, radio frequency module and electronic equipment - Google Patents
Radio frequency circuit, radio frequency module and electronic equipment Download PDFInfo
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- CN116346157A CN116346157A CN202310314436.7A CN202310314436A CN116346157A CN 116346157 A CN116346157 A CN 116346157A CN 202310314436 A CN202310314436 A CN 202310314436A CN 116346157 A CN116346157 A CN 116346157A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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- 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
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- 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
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Abstract
The application discloses a radio frequency circuit, a radio frequency module and electronic equipment. Wherein the radio frequency circuit includes: an antenna group; a first signal processing module; the first signal processing module is used for processing the downlink signal of the first identity identification card and the downlink signal of the second identity identification card received by the first antenna; a second signal processing module; the second signal processing module is used for processing the downlink signals of the first identity identification card received by the second antenna, the third antenna and the fourth antenna in the antenna group; a transceiver module; the receiving and transmitting module is used for modulating the uplink signal of the first identity identification card and transmitting the modulated uplink signal of the first identity identification card to the second signal processing module; the receiving and transmitting module is also used for demodulating the downlink signals output by the first signal processing module and the second signal processing module.
Description
Description of the division
The present application is a divisional application of chinese patent with application number 202111160684.8, application number 2021, 09 and 30, and the title of "radio frequency circuit, radio frequency module, and electronic device".
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a radio frequency circuit, a radio frequency module, and an electronic device.
Background
In the related art, in order to make the radio frequency circuit suitable for a dual-reception dual-card dual-standby scenario, four communication channels are configured for one identification card in the radio frequency circuit, and two receiving channels are configured for the other identification card, so that the design of a hardware circuit is complex, and the hardware cost is increased.
Disclosure of Invention
In view of this, the embodiments of the present application provide a radio frequency circuit, a radio frequency module, and an electronic device, so as to at least solve the problems of complex design of a hardware circuit and increased hardware cost in the related art.
The technical scheme of the embodiment of the application is realized as follows:
the embodiment of the application provides a radio frequency circuit, which comprises:
an antenna group comprising at least four antennas; the first antenna of the antenna group is used for receiving the downlink signal of the first identity identification card, the downlink signal of the second identity identification card and transmitting the uplink signal of the first identity identification card; the second antenna, the third antenna and the fourth antenna of the antenna group are used for sending the uplink signal of the first identity identification card and receiving the downlink signal of the first identity identification card;
The first signal processing module is in circuit connection with a first antenna in the antenna group; the first signal processing module is used for processing the downlink signal of the first identity identification card and the downlink signal of the second identity identification card received by the first antenna;
the second signal processing module is respectively in circuit connection with each antenna of at least four antennas in the antenna group; the second signal processing module is used for processing the downlink signals of the first identity identification card received by the second antenna, the third antenna and the fourth antenna in the antenna group;
the transceiver module is respectively in circuit connection with the first signal processing module and the second signal processing module; the receiving and transmitting module is used for modulating the uplink signal of the first identity identification card and transmitting the uplink signal of the first identity identification card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity identification card; the receiving and transmitting module is also used for demodulating the downlink signals output by the first signal processing module and the second signal processing module.
The embodiment of the application also provides a radio frequency module, which at least comprises a radio frequency circuit; the radio frequency circuit is the radio frequency circuit of any scheme.
The embodiment of the application also provides electronic equipment, which at least comprises a radio frequency circuit; the radio frequency circuit is the radio frequency circuit of any scheme.
In the embodiment of the application, the first signal processing module can receive the downlink signals of the first identity identification card and the second identity identification card on one channel, two channels of receiving channels are not required to be configured for the second identity identification card, the design of a radio frequency circuit is simplified, more than the area on a printed circuit board of the radio frequency circuit can be reduced, and the cost of hardware is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a related art rf circuit according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a radio frequency circuit according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of an internal structure of a first signal processing module according to an embodiment of the present application;
fig. 4 is a schematic diagram of an internal structure of a second signal processing module according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a first transceiver unit according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a first receiving unit and a second receiving unit according to an embodiment of the present application;
Fig. 7 is a schematic structural diagram of a radio frequency circuit according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a radio frequency module according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
The technical solutions described in the embodiments of the present application may be arbitrarily combined without any conflict.
In addition, in the present examples, "first," "second," etc. are used to distinguish similar objects and not necessarily to describe a particular order or sequence.
Before the technical solutions of the embodiments of the present application are described in detail, a brief description of a radio frequency circuit in the related art is first provided.
Fig. 1 is a schematic diagram of a related art rf circuit. As shown in fig. 1, for a dual-card dual standby (DR-DSDS, dual Receive Dual SIM Dual Standby) mobile terminal supporting dual reception, the flow direction of the signal is represented in the arrow direction shown in fig. 1, the terminal configures different paths for the first identity card and the second identity card, simultaneously configures a main receiving module and an auxiliary receiving module for the second identity card, wherein the main receiving module and the auxiliary receiving module of the second identity card are respectively connected with the first antenna and the second antenna through a double pole double throw switch, four different paths are configured for the first identity card, a path is formed by connecting the main transmitting and receiving module of the first identity card with the third antenna, a path is formed by connecting the auxiliary receiving module of the first identity card with the fourth antenna, a path is formed by connecting the Multiple-in Multiple-out (MIMO) 1 module of the first identity card with the fifth antenna, and a first path is formed by connecting the auxiliary receiving module of the first identity card MIMO2 with the sixth antenna, and when the second identity card is configured as a game card, and the second identity card is also configured as a path, the first identity card is not normally used, and the service is also required to be completely printed when the first identity card is configured for data.
Based on this, the embodiment of the application provides a radio frequency circuit, and fig. 2 is a schematic structural diagram of the radio frequency circuit of the embodiment of the application. As shown in fig. 2, the radio frequency circuit includes an antenna group 201, a first signal processing module 202, a second signal processing module 203, and a transceiver module 204.
In this embodiment of the present application, the antenna group 201 is configured with four antennas, which are a first antenna 2011, a second antenna 2012, a third antenna 2013 and a fourth antenna 2014, where the first antenna 2011 is responsible for processing signals of the first identity card and signals of the second identity card, specifically, the first antenna 2011 can receive downlink signals of the first identity card and downlink signals of the second identity card at the same time, and can also send uplink signals of the first identity card. The second antenna 2012, the third antenna 2013 and the fourth antenna 2014 are responsible for receiving and transmitting signals of the first identity card, and specifically, may receive a downlink signal of the first identity card and transmit an uplink signal of the first identity card, where the downlink signal refers to a signal sent by a base station and received by an electronic device, and the uplink signal refers to a signal sent by the electronic device and received by the base station. In practical applications, the first antenna 2011 is an auxiliary receiving antenna of the second identification card, and meanwhile, the first antenna 2011 is also a MIMO antenna of the first identification card. The second antenna 2012 is a main transmitting and receiving antenna of the first identity card, the third antenna 2013 is an auxiliary receiving antenna of the first identity card, and the fourth antenna 2014 is a MIMO receiving antenna of the first identity card.
In an embodiment, the first identification card is suitable for the N41 frequency band, the second identification card is suitable for the B3 frequency band or the B39 frequency band, the first antenna 2011 can receive or transmit the downlink signal of the first identification card in the N41 frequency band, and also can receive the downlink signal of the second identification card in the B3 or the B39 frequency band, and the second antenna 2012, the third antenna 2013 and the fourth antenna 2014 can receive and transmit the downlink signal of the first identification card in the N41 frequency band.
The first signal processing module 202 is electrically connected to the first antenna 2011 of the antenna group 201, where the first antenna 2011 can transmit the received downlink signal of the first identity card or the downlink signal of the second identity card to the first signal processing module 202, and the first signal processing module 202 processes the downlink signal of the first identity card and the downlink signal of the second identity card.
In an embodiment, as shown in fig. 3, the internal structure of the first signal processing module 202 is schematically shown in fig. 3, where the first signal processing module 202 includes a first receiving path and a second receiving path, the first receiving path is used for receiving a downlink signal of a first identification card transmitted by the first antenna 2011, and the second receiving path is used for receiving a downlink signal of a second identification card transmitted by the first antenna 2011, and in practical application, the first signal processing module 202 is a first identification card MIMO2 receiving module and a second identification card auxiliary receiving module.
The first receiving path is composed of a first switch unit 2021, a dual-frequency filter 2022 and a first amplifier 2023, wherein a first output pin of the first switch unit 2021 is in circuit connection with an input pin of the dual-frequency filter 2022, and a first output pin of the dual-frequency filter 2022 is in circuit connection with an input end of the first amplifier 2023.
The second receiving path is composed of a first switch unit 2021, a dual-frequency filter 2022 and a second amplifier 2024, wherein a first output pin of the first switch unit 2021 is in circuit connection with an input pin of the dual-frequency filter 2022, and a second output pin of the dual-frequency filter 2022 is in circuit connection with an input end of the second amplifier 2024.
The first antenna 2011 receives downlink signals in different frequency bands, so when the downlink signals enter the first signal processing module 202, the downlink signals are first subjected to frequency selection by the first switch unit 2021, and the downlink signals required by the first signal processing module 202 are obtained by screening, wherein the first signal processing module 202 is used for processing the downlink signals of the first identity card and the downlink signals of the second identity card, so the downlink signals in the frequency band range where the downlink signals of the first identity card and the downlink signals of the second identity card are output by the first output pin of the first switch unit 2021, the downlink signals output by the first output pin of the first switch unit 2021 are one of the downlink signals of the first identity card and the downlink signals of the second identity card, and the frequency of the downlink signals is input by the dual-frequency filter 2022, judging whether the input downlink signal is the downlink signal of the first identity card or the downlink signal of the second identity card, so as to gate a corresponding output channel for the input downlink signal, and by way of example, the first output pin and the second output pin of the dual-frequency filter 2022 support the signal passing of different frequency bands according to the characteristics of the dual-frequency filter 2022, wherein the first output pin allows the signal passing in the frequency band where the downlink signal of the first identity card is located, the second output pin allows the signal passing in the frequency band where the downlink signal of the second identity card is located, in practical application, the dual-frequency filter 2022 can support the downlink signal combined by B3 frequency band and N41 frequency band, and also can support the downlink signal combined by B39 and N41 frequency band, when the downlink signal input by the dual-frequency filter 2022 is output through the first output pin, the downstream signal representing the input is the downstream signal of the first identification card, and when the downstream signal input by the dual-frequency filter 2022 is output through the second output pin, the downstream signal representing the input is the downstream signal of the second identification card. The downstream signal of the first identity card output by the first output pin of the dual-frequency filter 2022 flows to the first amplifier 2023, the first amplifier 2023 is a low noise amplifier, and the first amplifier 2023 can amplify the downstream signal of the first identity card. The downstream signal of the second identification card output by the second output pin of the dual-frequency filter 2022 flows to the second amplifier 2024, the second amplifier 2024 is a low noise amplifier, and the second amplifier 2024 can amplify the downstream signal of the second identification card. The downstream signal amplified by the first amplifier 2023 and the second amplifier 2024 flows to the transceiver module 204, and the transceiver module 204 demodulates the downstream signal of the first identification card and the downstream signal of the second identification card.
The second signal processing module 203 is respectively connected with the first antenna 2011, the second antenna 2012, the third antenna 2013 and the fourth antenna 2014 in the antenna group 201 in a circuit manner, and the second signal processing module 203 can receive the downlink signals of the first identity card transmitted by the second antenna 2012, the third antenna 2013 and the fourth antenna 2014 and process the downlink signals of the first identity card. In addition, the second signal processing module 203 is further electrically connected to the transceiver module 204, where the second signal processing module 203 can receive the uplink signal of the modulated first identity card output by the transceiver module 204, process the uplink signal of the modulated first identity card, and send the uplink signal of the first identity card through the first antenna 2011 connected to the second signal processing module 203.
In an embodiment, the internal structure of the second signal processing module 203 is schematically shown in fig. 4, and the arrow pointing direction in fig. 4 indicates the flow direction of the signal, and the second signal processing module includes a first transceiver unit 2031, a first receiver unit 2032, and a second receiver unit 2033.
In practical application, the first transceiver unit 2031 is a main transmitting and receiving module of the first identity card, the first transceiver unit 2031 is responsible for performing signal processing on an uplink signal of the first identity card, specifically, the first transceiver unit 2031 is in circuit connection with the transceiver module 204, the uplink signal of the first identity card modulated by the transceiver module 204 flows to the first transceiver unit 2031, the first transceiver unit 2031 processes the uplink signal of the first identity card flowing in, the first transceiver unit 2031 is in circuit connection with the first antenna 2011 to form a first transmitting path, the first transceiver unit 2031 is also in circuit connection with the second antenna 2012 to form a second transmitting path, and the uplink signal of the first identity card processed by the first transceiver unit 2031 flows to the first antenna 2011 through the first transmitting path, or the uplink signal of the first identity card processed by the first transceiver unit 2031 flows to the second antenna 2012 through the second transmitting path. The first transceiver unit 2031 is further responsible for performing signal processing on a downlink signal of the first identity card, specifically, the downlink signal of the first identity card received by the second antenna 2012 flows to the first transceiver unit 2031, the downlink signal of the first identity card processed by the first transceiver unit 2031 is processed by the first transceiver unit 2031, and the downlink signal of the first identity card processed by the first transceiver unit 2031 flows to the transceiver module 204.
In practical application, the first receiving unit 2032 is an auxiliary receiving module of the first identity card, where the first receiving unit 2032 is responsible for processing a downlink signal of the first identity card, specifically, the first receiving unit 2032 is electrically connected to the third antenna 2013, the downlink signal of the first identity card received by the third antenna 2013 flows to the first receiving unit 2032, the first receiving unit 2032 processes the downlink signal of the first identity card, and the downlink signal of the first identity card processed by the first receiving unit 2032 flows to the transceiver module 204. The first receiving unit 2032 is further electrically connected to the first transceiver unit 2031 to form a third transmission path, and an uplink signal of the first identity card processed by the first transceiver unit 2031 flows to the first receiving unit 2032 through the third transmission path, and then sends out a signal of the first identity card through the third antenna 2013.
In practical applications, the second receiving unit 2033 is a receiving module of the first identity card MINO1, the second receiving unit 2033 is responsible for processing a downlink signal of the first identity card, specifically, the second receiving unit 2033 is electrically connected to the fourth antenna 2014, the downlink signal of the first identity card received by the fourth antenna 2014 flows to the second receiving unit 2033, the second receiving unit 2033 processes the downlink signal of the first identity card, and the downlink signal of the first identity card processed by the second receiving unit 2033 flows to the transceiver module 204. The second receiving unit 2033 is further electrically connected to the first transceiver unit 2031 to form a fourth transmission path, and the uplink signal of the first identity card processed by the first transceiver unit 2031 flows to the second receiving unit 2033 through the fourth transmission path, and then is sent out through the fourth antenna 2014.
In practical applications, the uplink signals of the first identity card processed by the first transceiver 2031 may be sent out through the first transmission path, the second transmission path, the third transmission path and the fourth transmission path, where the first transmission path, the third transmission path and the fourth transmission path are channel sounding reference signals (SRS, sounding Reference Signal) paths, the uplink signals of the first identity card processed by the first transceiver 2031 are sent out through the second transmission path by default, the first transceiver 2031 alternately sends out the uplink signals of the first identity card in the first transmission path, the second transmission path, the third transmission path and the fourth transmission path, and one transmission path is selected at a time, and the uplink signals of the first identity card are sent out through corresponding antennas in the antenna group 201 through the transmission paths.
In an embodiment, in a case where the first transceiver 2031 selects to transmit the uplink signal of the first identity card via the first transmission path, the uplink signal of the first identity card processed by the first transceiver 2031 flows to the first antenna 2011 via the first transmission path, and the first antenna 2011 transmits the uplink signal of the first identity card. In the case where the first transceiver 2031 selects to transmit the uplink signal of the first identity card via the second transmission path, the uplink signal of the first identity card processed by the first transceiver 2031 flows to the second antenna 2012 via the second transmission path, and the second antenna 2012 transmits the uplink signal of the first identity card. In the case where the first transceiver 2031 selects to transmit the uplink signal of the first identity card via the third transmission path, the uplink signal of the first identity card processed by the first transceiver 2031 flows to the third antenna 2013 via the third transmission path, and the third antenna 2013 transmits the uplink signal of the first identity card. In the case where the first transceiver 2031 selects to transmit the uplink signal of the first identity card via the fourth transmission path, the uplink signal of the first identity card processed by the first transceiver 2031 flows to the fourth antenna 2014 via the fourth transmission path, and the fourth antenna 2014 transmits the uplink signal of the first identity card.
In an embodiment, as shown in fig. 5, fig. 5 is a schematic structural diagram of the first transceiver unit 2031, where the first transceiver unit 2031 includes a third receiving path and a first processing path, and the third receiving path is used for processing a downlink signal of the first identity card received by the second antenna 2012, and the first processing path is used for processing an uplink signal of the first identity card modulated by the transceiver module 204.
The third receiving path is formed by a first sound surface filter 501 and a third amplifier 502, wherein the input end of the first sound surface filter 501 is in circuit connection with the second antenna 2012, the downlink signal of the first identity card received by the second antenna 2012 flows to the input end of the first sound surface filter 501, the first sound surface filter 501 performs filtering processing on the downlink signal of the first identity card, the output end of the first sound surface filter 501 is in circuit connection with the input end of the third amplifier 502, the downlink signal of the first identity card flows to the input end of the third amplifier 502, the third amplifier 502 performs low-noise amplification on the downlink signal of the first identity card, the output end of the third amplifier 502 is in circuit connection with the input end of the transceiver module 204, and the downlink signal of the first identity card flows to the transceiver module 204, so that the transceiver module 204 performs low-noise amplification on the downlink signal of the first identity card.
The first processing path is formed by a power amplifier 503 and a second sound surface filter 504, wherein an input end of the power amplifier 503 is in circuit connection with an output end of the transceiver module 204, an uplink signal of the first identity card modulated by the transceiver module 204 flows to the input end of the power amplifier 503, the power amplifier 503 amplifies the uplink signal of the first identity card, the output end of the power amplifier 503 is in circuit connection with the input end of the second sound surface filter 504, the uplink signal of the first identity card flows to the input end of the second sound surface filter 504, the second sound surface filter 504 filters the uplink signal of the first identity card, the output end of the second sound surface filter 504 is in circuit connection with the second antenna 2012, the uplink signal of the first identity card flows to the second antenna 2012, and the second antenna 2012 emits the uplink signal of the first identity card.
In an embodiment, as shown in fig. 6, fig. 6 shows a schematic structural diagram of the first receiving unit 2032 and the second receiving unit 2033. The first receiving unit 2032 and the second receiving unit 2033 each configure a fourth receive path,
The fourth receiving path in the first receiving unit 2032 is formed by a third acoustic surface filter 601 and a fourth amplifier 602, the input end of the third acoustic surface filter 601 is in circuit connection with the third antenna 2013, the downlink signal of the first identity card received by the third antenna 2013 flows to the input end of the third acoustic surface filter 601 through the fourth receiving path of the first receiving unit 2032, the third acoustic surface filter 601 performs filtering processing on the downlink signal of the first identity card, the output end of the third acoustic surface filter 601 is output by the output end of the third acoustic surface filter 601, the output end of the third acoustic surface filter 601 is in circuit connection with the input end of the fourth amplifier 602, the downlink signal of the first identity card flows to the input end of the fourth amplifier 602, the fourth amplifier 602 performs low noise amplification on the downlink signal of the first identity card, the output end of the fourth amplifier 602 is output by the output end of the fourth amplifier 602, the downlink signal of the first identity card flows to the transceiver 204, and the downlink signal of the first identity card flows to the transceiver 204 through the fourth receiving unit 2032.
The fourth receiving path in the second receiving unit 2033 is formed by the third acoustic surface filter 603 and the fourth amplifier 604, the input end of the third acoustic surface filter 603 is connected with the fourth antenna 2014 in a circuit manner, the downlink signal of the first identity card received by the fourth antenna 2014 flows to the input end of the third acoustic surface filter 603 via the fourth receiving path of the second receiving unit 2033, the third acoustic surface filter 603 performs filtering processing on the downlink signal of the first identity card, the output end of the third acoustic surface filter 603 is output, the output end of the third acoustic surface filter 603 is connected with the input end of the fourth amplifier 604 in a circuit manner, the downlink signal of the first identity card flows to the input end of the fourth amplifier 604, the fourth amplifier 604 performs low-noise amplification on the downlink signal of the first identity card, the output end of the fourth amplifier 604 is output by the output end of the fourth amplifier 604, the output end of the fourth amplifier 604 is connected with the input end of the transceiver module 204 in a circuit manner, the downlink signal of the first identity card flows to the transceiver module 204 via the fourth receiving unit 2033.
The transceiver module 204 is respectively connected with the first signal processing module 202 in a circuit manner, and is capable of receiving the downlink signal of the first identity card and the downlink signal of the second identity card output by the first signal processing module 202, demodulating the received downlink signal of the first identity card and the received downlink signal of the second identity card, and the transceiver module 204 is also connected with the second signal processing module 203 in a circuit manner, is capable of receiving the downlink signal of the first identity card output by the second signal processing module 203, demodulating the received downlink signal of the first identity card, and is also capable of modulating the uplink signal of the first identity card, and transmitting the modulated uplink signal of the first identity card output by the transceiver module 204 to the second signal processing module 203, so that the second signal processing module 203 can process the received modulated uplink signal of the first identity card.
In an embodiment, as shown in fig. 7, the radio frequency circuit further includes a second switch unit 701, and because the first antenna 2011 may be configured to receive the downlink signal of the first identity card and the downlink signal of the second identity card, and may also be configured to transmit the uplink signal of the first identity card, where the downlink signal of the first identity card and the downlink signal of the second identity card received by the first antenna 2011 need to be processed by the first signal processing module 202, and the uplink signal of the first identity card transmitted by the first antenna 2011 needs to be processed by the second signal processing module 203, a receiving path or a gating transmitting path needs to be gated by the second switch unit 701, so as to complete the reception of the downlink signal or the transmission of the uplink signal. The second switch unit 701 is a single pole double throw switch, the second switch unit 701 has 3 pins, the first pin of the second switch unit 701 is in circuit connection with the first signal processing module 202, the second pin of the second switch unit 701 is in circuit connection with the second signal processing module 203, the third pin of the second switch unit is in circuit connection with the first antenna 2011, the second switch unit can gate different paths through different frequencies, specifically, when the first antenna 2011 receives a downlink signal of the first identity card or a downlink signal of the second identity card, the second switch unit 701 gates the first signal processing module 202 connected with the first pin, so that the first antenna 2011 is connected with the first signal processing module 202, and the downlink signal of the first identity card or the downlink signal of the second identity card received by the first antenna can flow to the first signal processing module 202. When the second signal processing module 203 selects the first antenna 2011 to send the uplink signal of the first identity card, the second switch unit 701 gates the second signal processing module 203 connected to the second pin, so that the first antenna 2011 can be connected to the second signal processing module 203, and the uplink signal of the first identity card processed by the second signal processing module can flow to the first antenna 2011, so that the first antenna 2011 transmits the uplink signal of the first identity card.
In the embodiment, the first signal processing module is used for realizing the simultaneous operation of the receiving diversity of the first identification card and the MIMO receiving of the second identification card, and two paths of receiving paths are not required to be configured for the second identification card independently, so that the design of a radio frequency circuit is simplified, more than the area on a printed circuit board of the radio frequency circuit can be reduced, and the cost of hardware is reduced.
The embodiment of the application further provides a radio frequency module, as shown in fig. 8, fig. 8 shows a schematic structural diagram of the radio frequency module, where the radio frequency module includes at least a radio frequency circuit, and the radio frequency circuit includes:
an antenna group comprising at least four antennas; the first antenna of the antenna group is used for receiving the downlink signal of the first identity identification card, the downlink signal of the second identity identification card and transmitting the uplink signal of the first identity identification card; the second antenna, the third antenna and the fourth antenna of the antenna group are used for sending the uplink signal of the first identity identification card and receiving the downlink signal of the first identity identification card;
the first signal processing module is in circuit connection with a first antenna in the antenna group; the first signal processing module is used for processing the downlink signal of the first identity identification card and the downlink signal of the second identity identification card received by the first antenna;
The second signal processing module is respectively in circuit connection with each antenna of at least four antennas in the antenna group; the second signal processing module is used for processing the downlink signals of the first identity identification card received by the second antenna, the third antenna and the fourth antenna in the antenna group;
the transceiver module is respectively in circuit connection with the first signal processing module and the second signal processing module; the receiving and transmitting module is used for modulating the uplink signal of the first identity identification card and transmitting the modulated uplink signal of the first identity identification card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity identification card; the receiving and transmitting module is also used for demodulating the downlink signals output by the first signal processing module and the second signal processing module.
In an embodiment, the first signal processing module includes:
the first signal processing module comprises a first receiving path and a second receiving path;
the first receiving path comprises a first switch unit, a dual-frequency filter and a first amplifier; the first output pin of the first switch unit is in circuit connection with the input pin of the dual-frequency filter; the first output pin of the dual-frequency filter is in circuit connection with the input end of the first amplifier; the first receiving channel is used for receiving the downlink signal of the first identity identification card; the first amplifier is used for amplifying the downlink signal of the first identity identification card;
The second receiving path comprises the first switch unit, the dual-frequency filter and a second amplifier; the first output pin of the first switch unit is in circuit connection with the input pin of the dual-frequency filter; the second output pin of the dual-frequency filter is in circuit connection with the input end of the second amplifier; the second receiving channel is used for receiving the downlink signal of the second identity card; the second amplifier is used for amplifying the downlink signal of the second identity identification card; wherein,,
the first switch unit is used for selecting frequencies of the input downlink signals; the first output pin of the first switch unit outputs signals in a frequency range where the downlink signals of the first identity identification card and the downlink signals of the second identity identification card are located; the dual-frequency filter is used for gating an output path of the input downlink signal.
In an embodiment, the first identity identification card is suitable for the N41 frequency band; the second identification card is suitable for the B3 frequency band or the B39 frequency band.
In an embodiment, the second signal processing module includes:
the first transceiver unit is in circuit connection with the transceiver module and is used for processing an uplink signal of the modulated first identity identification card output by the transceiver module; the first transceiver unit is further configured to process a downlink signal of the first identity identification card received by the second antenna; the first transceiver unit is in circuit connection with the first antenna to form a first transmitting path; the first receiving and transmitting unit is in circuit connection with the second antenna to form a second transmitting path; the first transmitting path and the second transmitting path are used for transmitting uplink signals of the first identity identification card;
The first receiving unit is in circuit connection with the third antenna and is used for processing the downlink signal of the first identity identification card received by the third antenna; the first receiving unit is further in circuit connection with the first receiving and transmitting unit to form a third transmitting path; the third transmitting path is used for transmitting an uplink signal of the first identity identification card;
the second receiving unit is in circuit connection with the fourth antenna and is used for processing the downlink signal of the first identity identification card received by the fourth antenna; the first receiving unit is further in circuit connection with the first receiving and transmitting circuit to form a fourth transmitting path; the fourth transmitting path is used for transmitting an uplink signal of the first identity identification card; wherein,,
the first transceiver unit alternately selects the first transmitting path, the second transmitting path, the third transmitting path and the fourth transmitting path to transmit uplink signals of the first identity identification card alternately.
In one embodiment, the first antenna transmits the uplink signal of the first identity card based on the first transmission path;
the second antenna transmits an uplink signal of the first identity identification card based on the second transmission path;
The third antenna transmits an uplink signal of the first identity identification card based on the third transmitting path;
and the fourth antenna transmits the uplink signal of the first identity identification card based on the fourth transmitting path.
In an embodiment, the radio frequency circuit further includes a second switch unit, and a first pin of the second switch unit is in circuit connection with the first signal processing module; the second pin of the second switch unit is in circuit connection with the second signal processing module; the third pin of the second switch unit is connected with the first antenna; the second switch unit is used for gating the first signal processing module connected with the first pin when the first antenna receives the downlink signal of the first identity identification card or the downlink signal of the second identity identification card; when the second signal processing module selects the first antenna to send the uplink signal of the first identity identification card, the switch unit gates the first transceiver unit connected with the second pin.
In an embodiment, the first transceiver unit includes a third receiving path and a first processing path;
The third receive path includes a first acoustic surface filter and a third amplifier; the input end of the first sound surface filter is in circuit connection with the second antenna; the output end of the first sound surface filter is in circuit connection with the input end of the third amplifier; the output end of the third amplifier is in circuit connection with the input end of the transceiver module; the first sound surface filter is used for filtering the downlink signal of the first identity identification card received by the second antenna; the third amplifier is used for amplifying the output signal of the first sound surface filter with low noise;
the first processing path comprises a power amplifier and a second surface acoustic wave filter; the input end of the power amplifier is in circuit connection with the output end of the transceiver module; the output end of the power amplifier is in circuit connection with the input end of the second sound surface filter; the output end of the second sound surface filter is in circuit connection with the second antenna; the power amplifier is used for amplifying the power of the uplink signal of the modulated first identity identification card output by the transceiver module; the second surface acoustic wave filter is configured to filter an output signal of the power amplifier.
In an embodiment, the first transceiver unit includes a third receiving path and a first processing path;
the third receive path includes a first acoustic surface filter and a third amplifier; the input end of the first sound surface filter is in circuit connection with the second antenna; the output end of the first sound surface filter is in circuit connection with the input end of the third amplifier; the output end of the third amplifier is in circuit connection with the input end of the transceiver module; the first sound surface filter is used for filtering the downlink signal of the first identity identification card received by the second antenna; the third amplifier is used for amplifying the output signal of the first sound surface filter with low noise;
the first processing path comprises a power amplifier and a second surface acoustic wave filter; the input end of the power amplifier is in circuit connection with the output end of the transceiver module; the output end of the power amplifier is in circuit connection with the input end of the second sound surface filter; the output end of the second sound surface filter is in circuit connection with the second antenna; the power amplifier is used for amplifying the power of the uplink signal of the modulated first identity identification card output by the transceiver module; the second surface acoustic wave filter is configured to filter an output signal of the power amplifier.
The embodiment of the application also provides an electronic device, as shown in fig. 9, where the electronic device at least includes a radio frequency circuit, and the radio frequency circuit includes:
an antenna group comprising at least four antennas; the first antenna of the antenna group is used for receiving the downlink signal of the first identity identification card, the downlink signal of the second identity identification card and transmitting the uplink signal of the first identity identification card; the second antenna, the third antenna and the fourth antenna of the antenna group are used for sending the uplink signal of the first identity identification card and receiving the downlink signal of the first identity identification card;
the first signal processing module is in circuit connection with a first antenna in the antenna group; the first signal processing module is used for processing the downlink signal of the first identity identification card and the downlink signal of the second identity identification card received by the first antenna;
the second signal processing module is respectively in circuit connection with each antenna of at least four antennas in the antenna group; the second signal processing module is used for processing the downlink signals of the first identity identification card received by the second antenna, the third antenna and the fourth antenna in the antenna group;
The transceiver module is respectively in circuit connection with the first signal processing module and the second signal processing module; the receiving and transmitting module is used for modulating the uplink signal of the first identity identification card and transmitting the modulated uplink signal of the first identity identification card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity identification card; the receiving and transmitting module is also used for demodulating the downlink signals output by the first signal processing module and the second signal processing module.
In an embodiment, the first signal processing module includes:
the first signal processing module comprises a first receiving path and a second receiving path;
the first receiving path comprises a first switch unit, a dual-frequency filter and a first amplifier; the first output pin of the first switch unit is in circuit connection with the input pin of the dual-frequency filter; the first output pin of the dual-frequency filter is in circuit connection with the input end of the first amplifier; the first receiving channel is used for receiving the downlink signal of the first identity identification card; the first amplifier is used for amplifying the downlink signal of the first identity identification card;
The second receiving path comprises the first switch unit, the dual-frequency filter and a second amplifier; the first output pin of the first switch unit is in circuit connection with the input pin of the dual-frequency filter; the second output pin of the dual-frequency filter is in circuit connection with the input end of the second amplifier; the second receiving channel is used for receiving the downlink signal of the second identity card; the second amplifier is used for amplifying the downlink signal of the second identity identification card; wherein,,
the first switch unit is used for selecting frequencies of the input downlink signals; the first output pin of the first switch unit outputs signals in a frequency range where the downlink signals of the first identity identification card and the downlink signals of the second identity identification card are located; the dual-frequency filter is used for gating an output path of the input downlink signal.
In an embodiment, the first identity identification card is suitable for the N41 frequency band; the second identification card is suitable for the B3 frequency band or the B39 frequency band.
In an embodiment, the second signal processing module includes:
the first transceiver unit is in circuit connection with the transceiver module and is used for processing an uplink signal of the modulated first identity identification card output by the transceiver module; the first transceiver unit is further configured to process a downlink signal of the first identity identification card received by the second antenna; the first transceiver unit is in circuit connection with the first antenna to form a first transmitting path; the first receiving and transmitting unit is in circuit connection with the second antenna to form a second transmitting path; the first transmitting path and the second transmitting path are used for transmitting uplink signals of the first identity identification card;
The first receiving unit is in circuit connection with the third antenna and is used for processing the downlink signal of the first identity identification card received by the third antenna; the first receiving unit is further in circuit connection with the first receiving and transmitting unit to form a third transmitting path; the third transmitting path is used for transmitting an uplink signal of the first identity identification card;
the second receiving unit is in circuit connection with the fourth antenna and is used for processing the downlink signal of the first identity identification card received by the fourth antenna; the first receiving unit is further in circuit connection with the first receiving and transmitting circuit to form a fourth transmitting path; the fourth transmitting path is used for transmitting an uplink signal of the first identity identification card; wherein,,
the first transceiver unit alternately selects the first transmitting path, the second transmitting path, the third transmitting path and the fourth transmitting path to transmit uplink signals of the first identity identification card alternately.
In one embodiment, the first antenna transmits the uplink signal of the first identity card based on the first transmission path;
the second antenna transmits an uplink signal of the first identity identification card based on the second transmission path;
The third antenna transmits an uplink signal of the first identity identification card based on the third transmitting path;
and the fourth antenna transmits the uplink signal of the first identity identification card based on the fourth transmitting path.
In an embodiment, the radio frequency circuit further includes a second switch unit, and a first pin of the second switch unit is in circuit connection with the first signal processing module; the second pin of the second switch unit is in circuit connection with the second signal processing module; the third pin of the second switch unit is connected with the first antenna; the second switch unit is used for gating the first signal processing module connected with the first pin when the first antenna receives the downlink signal of the first identity identification card or the downlink signal of the second identity identification card; when the second signal processing module selects the first antenna to send the uplink signal of the first identity identification card, the switch unit gates the first transceiver unit connected with the second pin.
In an embodiment, the first transceiver unit includes a third receiving path and a first processing path;
The third receive path includes a first acoustic surface filter and a third amplifier; the input end of the first sound surface filter is in circuit connection with the second antenna; the output end of the first sound surface filter is in circuit connection with the input end of the third amplifier; the output end of the third amplifier is in circuit connection with the input end of the transceiver module; the first sound surface filter is used for filtering the downlink signal of the first identity identification card received by the second antenna; the third amplifier is used for amplifying the output signal of the first sound surface filter with low noise;
the first processing path comprises a power amplifier and a second surface acoustic wave filter; the input end of the power amplifier is in circuit connection with the output end of the transceiver module; the output end of the power amplifier is in circuit connection with the input end of the second sound surface filter; the output end of the second sound surface filter is in circuit connection with the second antenna; the power amplifier is used for amplifying the power of the uplink signal of the modulated first identity identification card output by the transceiver module; the second surface acoustic wave filter is configured to filter an output signal of the power amplifier.
In an embodiment, the first transceiver unit includes a third receiving path and a first processing path;
the third receive path includes a first acoustic surface filter and a third amplifier; the input end of the first sound surface filter is in circuit connection with the second antenna; the output end of the first sound surface filter is in circuit connection with the input end of the third amplifier; the output end of the third amplifier is in circuit connection with the input end of the transceiver module; the first sound surface filter is used for filtering the downlink signal of the first identity identification card received by the second antenna; the third amplifier is used for amplifying the output signal of the first sound surface filter with low noise;
the first processing path comprises a power amplifier and a second surface acoustic wave filter; the input end of the power amplifier is in circuit connection with the output end of the transceiver module; the output end of the power amplifier is in circuit connection with the input end of the second sound surface filter; the output end of the second sound surface filter is in circuit connection with the second antenna; the power amplifier is used for amplifying the power of the uplink signal of the modulated first identity identification card output by the transceiver module; the second surface acoustic wave filter is configured to filter an output signal of the power amplifier.
The units described as separate units may or may not be physically separate, and units displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (15)
1. A radio frequency circuit, comprising:
The antenna group is used for receiving the downlink signal of the first identity identification card and transmitting the uplink signal of the first identity identification card; the other antennas of the antenna group are used for sending the uplink signals of the first identity identification card and receiving the downlink signals of the first identity identification card;
the first signal processing module is in circuit connection with a first antenna in the antenna group; the first signal processing module is used for processing the downlink signal of the first identity identification card received by the first antenna;
the second signal processing module is respectively connected with each antenna in the antenna group in a circuit manner; the second signal processing module is used for processing downlink signals of the first identity identification card received by other antennas in the antenna group;
the transceiver module is respectively in circuit connection with the first signal processing module and the second signal processing module; the receiving and transmitting module is used for modulating the uplink signal of the first identity identification card and transmitting the modulated uplink signal of the first identity identification card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity identification card; the receiving and transmitting module is also used for demodulating the downlink signals output by the first signal processing module and the second signal processing module.
2. The radio frequency circuit of claim 1, wherein the radio frequency circuit comprises,
the other antennas of the antenna group include at least one of a second antenna, a third antenna, and a fourth antenna.
3. The radio frequency circuit of claim 2, wherein the radio frequency circuit comprises,
the second signal processing module includes:
the first transceiver unit is in circuit connection with the first antenna to form a first transmitting path; the first receiving and transmitting unit is in circuit connection with the second antenna to form a second transmitting path; the first transmitting path and the second transmitting path are used for transmitting uplink signals of the first identity identification card;
the first receiving unit is in circuit connection with the first receiving and transmitting unit to form a third transmitting path; the third transmitting path is used for transmitting an uplink signal of the first identity identification card;
the second receiving unit is in circuit connection with the first receiving and transmitting unit to form a fourth transmitting path; the fourth transmitting path is used for transmitting the uplink signal of the first identity identification card.
4. The radio frequency circuit according to claim 3, wherein the first transceiver unit alternately selects the first transmission path, the second transmission path, the third transmission path, and the fourth transmission path to transmit the uplink signal of the first identification card.
5. The radio frequency circuit of claim 1, wherein signal reception by the second identification card is achieved by only one antenna of the antenna group.
6. The radio frequency circuit of claim 5, wherein the first antenna of the antenna group is further configured to receive a downlink signal from the second identification card; the first signal processing module is used for processing the downlink signal of the second identity card received by the first antenna.
7. The radio frequency circuit of claim 1, wherein the first signal processing module comprises:
the first signal processing module comprises a first receiving path and a second receiving path;
the first receiving path comprises a first switch unit, a dual-frequency filter and a first amplifier; the first output pin of the first switch unit is in circuit connection with the input pin of the dual-frequency filter; the first output pin of the dual-frequency filter is in circuit connection with the input end of the first amplifier; the first receiving channel is used for receiving the downlink signal of the first identity identification card; the first amplifier is used for amplifying the downlink signal of the first identity identification card;
The second receiving path comprises the first switch unit, the dual-frequency filter and a second amplifier; the first output pin of the first switch unit is in circuit connection with the input pin of the dual-frequency filter; the second output pin of the dual-frequency filter is in circuit connection with the input end of the second amplifier; the second receiving channel is used for receiving the downlink signal of the second identity card; the second amplifier is used for amplifying the downlink signal of the second identity identification card; wherein,,
the first switch unit is used for selecting frequencies of the input downlink signals; the first output pin of the first switch unit outputs signals in a frequency range where the downlink signals of the first identity identification card and the downlink signals of the second identity identification card are located; the dual-frequency filter is used for gating an output path of the input downlink signal.
8. The radio frequency circuit according to claim 1 or 5, wherein the first identity card is adapted for the N41 band; the second identification card is suitable for the B3 frequency band or the B39 frequency band.
9. The radio frequency circuit according to claim 1 or 2, wherein the second signal processing module comprises:
The first transceiver unit is in circuit connection with the transceiver module and is used for processing an uplink signal of the modulated first identity identification card output by the transceiver module; the first transceiver unit is further configured to process a downlink signal of the first identity identification card received by the second antenna;
the first receiving unit is in circuit connection with a third antenna and is used for processing the downlink signal of the first identity identification card received by the third antenna;
and the second receiving unit is in circuit connection with the fourth antenna and processes the downlink signal of the first identity identification card received by the fourth antenna.
10. The radio frequency circuit of claim 3, wherein the first antenna transmits an upstream signal of the first identity card based on the first transmission path;
the second antenna transmits an uplink signal of the first identity identification card based on the second transmission path;
the third antenna transmits an uplink signal of the first identity identification card based on the third transmitting path;
and the fourth antenna transmits the uplink signal of the first identity identification card based on the fourth transmitting path.
11. The radio frequency circuit according to claim 1 or 6, further comprising a second switching unit, wherein a first pin of the second switching unit is in circuit connection with the first signal processing module; the second pin of the second switch unit is in circuit connection with the second signal processing module; the third pin of the second switch unit is connected with the first antenna; the second switch unit is used for gating the first signal processing module connected with the first pin when the first antenna receives the downlink signal of the first identity identification card or the downlink signal of the second identity identification card; when the second signal processing module selects the first antenna to send the uplink signal of the first identity identification card, the switch unit gates the first transceiver unit connected with the second pin.
12. The radio frequency circuit of claim 9, wherein the first transceiver unit comprises a third receive path and a first processing path;
the third receive path includes a first acoustic surface filter and a third amplifier; the input end of the first sound surface filter is in circuit connection with the second antenna; the output end of the first sound surface filter is in circuit connection with the input end of the third amplifier; the output end of the third amplifier is in circuit connection with the input end of the transceiver module; the first sound surface filter is used for filtering the downlink signal of the first identity identification card received by the second antenna; the third amplifier is used for amplifying the output signal of the first sound surface filter with low noise;
The first processing path comprises a power amplifier and a second surface acoustic wave filter; the input end of the power amplifier is in circuit connection with the output end of the transceiver module; the output end of the power amplifier is in circuit connection with the input end of the second sound surface filter; the output end of the second sound surface filter is in circuit connection with the second antenna; the power amplifier is used for amplifying the power of the uplink signal of the modulated first identity identification card output by the transceiver module; the second surface acoustic wave filter is configured to filter an output signal of the power amplifier.
13. The radio frequency circuit of claim 9, wherein the first receiving unit and the second receiving unit each configure a fourth receive path;
the fourth receive path includes a third acoustic surface filter and a fourth amplifier; the output end of the third sound surface filter is in circuit connection with the input end of the fourth amplifier; the output end of the fourth amplifier is in circuit connection with the input end of the transceiver module; the fourth amplifier is used for amplifying the output signal of the third sound surface filter with low noise; wherein,,
The input end of a third acoustic surface filter in a fourth receiving path on the first receiving unit is in circuit connection with the third antenna; the third acoustic surface filter in the fourth receiving path is configured to filter a downlink signal of the first identity identification card received by the third antenna;
the input end of a third acoustic surface filter in a fourth receiving path on the second receiving unit is in circuit connection with the fourth antenna; the third acoustic surface filter in the fourth receiving path is configured to filter the downlink signal of the first identity card received by the fourth antenna.
14. A radio frequency module comprising at least the radio frequency circuit of any one of claims 1 to 13.
15. An electronic device comprising at least the radio frequency circuit of any one of claims 1 to 13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310314436.7A CN116346157A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111160684.8A CN113922837B (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
| CN202310314436.7A CN116346157A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
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| CN202310314436.7A Pending CN116346157A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
| CN202310314115.7A Pending CN116346156A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
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| US12015430B2 (en) | 2021-06-09 | 2024-06-18 | Qorvo Us, Inc. | Dynamic band steering filter bank module |
| US11916541B2 (en) * | 2021-06-09 | 2024-02-27 | Qorvo Us, Inc. | Dynamic band steering filter bank module with passband allocations |
| CN113922837B (en) * | 2021-09-30 | 2023-04-14 | 深圳市锐尔觅移动通信有限公司 | Radio frequency circuit, radio frequency module and electronic equipment |
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| CN201054724Y (en) * | 2007-04-25 | 2008-04-30 | 蔡俊华 | A positioning terminal for radio communication system |
| US10003374B1 (en) * | 2017-11-29 | 2018-06-19 | National Cheng Kung University | Wireless radio frequency transceiver system for internet of things |
| CN208539894U (en) * | 2018-07-11 | 2019-02-22 | 维沃移动通信有限公司 | A kind of radio circuit and mobile terminal |
| CN110086481B (en) * | 2019-06-14 | 2021-06-15 | Oppo广东移动通信有限公司 | Radio frequency circuit and electronic equipment |
| CN110224712B (en) * | 2019-07-08 | 2021-04-23 | Oppo广东移动通信有限公司 | Radio frequency circuit, electronic equipment and radio frequency circuit control method |
| CN110336578B (en) * | 2019-07-08 | 2021-06-29 | Oppo广东移动通信有限公司 | Radio frequency circuit and electronic equipment |
| CN114041317A (en) * | 2019-09-04 | 2022-02-11 | 华为技术有限公司 | Communication system switching method and communication device |
| CN113259925B (en) * | 2020-02-07 | 2022-07-29 | 华为技术有限公司 | Dual-card dual-standby dual-channel method, device and storage medium |
| CN112397876A (en) * | 2020-11-05 | 2021-02-23 | 深圳市锐尔觅移动通信有限公司 | Antenna module and terminal |
| CN113922837B (en) * | 2021-09-30 | 2023-04-14 | 深圳市锐尔觅移动通信有限公司 | Radio frequency circuit, radio frequency module and electronic equipment |
-
2021
- 2021-09-30 CN CN202111160684.8A patent/CN113922837B/en active Active
- 2021-09-30 CN CN202310314436.7A patent/CN116346157A/en active Pending
- 2021-09-30 CN CN202310314115.7A patent/CN116346156A/en active Pending
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2022
- 2022-09-09 WO PCT/CN2022/118153 patent/WO2023051219A1/en unknown
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| CN113922837B (en) | 2023-04-14 |
| WO2023051219A1 (en) | 2023-04-06 |
| CN116346156A (en) | 2023-06-27 |
| CN113922837A (en) | 2022-01-11 |
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