CN113922837A - 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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- CN113922837A CN113922837A CN202111160684.8A CN202111160684A CN113922837A CN 113922837 A CN113922837 A CN 113922837A CN 202111160684 A CN202111160684 A CN 202111160684A CN 113922837 A CN113922837 A CN 113922837A
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
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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 an electronic device. 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 recognition card and the downlink signal of the second identity recognition card received by the first antenna; a second signal processing module; the second signal processing module is used for processing downlink signals of the first identity card received by a second antenna, a third antenna and a fourth antenna in the antenna group; a transceiver module; the transceiver module is used for modulating the uplink signal of the first identity card and transmitting the modulated uplink signal of the first identity card to the second signal processing module; the transceiver module is further configured to demodulate downlink signals output by the first signal processing module and the second signal processing module.
Description
Technical Field
The present application 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 paths are configured for one identification card and two reception paths are configured for another identification card in the radio frequency circuit, which results in a complex design of a hardware circuit and an increase in hardware cost.
Disclosure of Invention
In view of this, embodiments of the present disclosure provide a radio frequency circuit, a radio frequency module, and an electronic device, so as to at least solve the problems of complicated 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:
an embodiment of the present application provides a radio frequency circuit, including:
an antenna group at least comprising four antennas; the first antenna of the antenna group is used for receiving a downlink signal of a first identity card and a downlink signal of a second identity card and sending an uplink signal of the first identity card; the second antenna, the third antenna and the fourth antenna of the antenna group are used for sending an uplink signal of the first identity card and receiving a downlink signal of the first identity 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 recognition card and the downlink signal of the second identity recognition 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 downlink signals of the first identity card received by a second antenna, a third antenna and a 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 transceiver module is used for modulating an uplink signal of the first identity card and transmitting the uplink signal of the first identity card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity card; the transceiver module is further configured to demodulate 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 one of the above schemes.
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 one of the above schemes.
In the embodiment of the application, the first signal processing module can receive the downlink signals of the first identity card and the second identity card on one path, and two paths of receiving paths do not need to be configured for the second identity card, so that the design of a radio frequency circuit is simplified, more than one 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 application;
fig. 2 is a schematic structural diagram of a radio frequency circuit according to an embodiment of the present application;
fig. 3 is a schematic diagram of an internal structure of a first signal processing module according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of an internal structure of a second signal processing module according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a first transceiver unit according to an embodiment of the present application;
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 application;
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 be described in further detail with reference to the following drawings and specific embodiments.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, 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 means described in the embodiments of the present application may be arbitrarily combined without conflict.
In addition, in the present examples, "first", "second", and the like are used for distinguishing similar objects, and are not necessarily used for describing a particular order or sequence.
Before the technical solution of the embodiment of the present application is explained in detail, first, a radio frequency circuit in the related art is briefly explained.
Fig. 1 is a schematic structural diagram of a radio frequency circuit in the related art. As shown in fig. 1, for a 5G mobile terminal supporting Dual Receive Dual Standby (DR-DSDS, Dual Receive Dual SIM Dual Standby), the arrow shown in fig. 1 represents the signal flow direction, the terminal configures different paths for a first identity card and a second identity card, and configures a main receiving module and a sub receiving module for the second identity card, wherein the main receiving module and the sub receiving module of the second identity card are respectively connected to a first antenna and a second antenna through a double-pole double-throw switch, four different paths are configured for the first identity card, the main transmitting and receiving module of the first identity card is connected to a third antenna to form a path, the sub receiving module of the first identity card is connected to a fourth antenna to form a path, the first identity card is multi-input and multi-output (MIMO, multiple-in Multiple out)1 module is connected with a fifth antenna to form a channel, and a first identity card MIMO2 auxiliary receiving module is connected with a sixth antenna to form a channel, wherein the main receiving and auxiliary receiving configured for the second identity card and the four channels configured for the first identity card are completely independent, so that the first identity card does not affect the data service of the second identity card during normal communication, for example, data transmission of game application is performed by using the first identity card, when the second identity card is called, the data service of the first identity card is not interrupted, and the design requirement of the radio frequency circuit is high, and the layout area of the printed circuit board is also affected.
Based on this, an embodiment of the present application provides a radio frequency circuit, and fig. 2 is a schematic structural diagram of the radio frequency circuit according to the embodiment of the present 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, 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 a signal of the first identity card and a signal of the second identity card, and specifically, the first antenna 2011 can receive a downlink signal of the first identity card and a downlink signal of the second identity card at the same time and can also send an uplink signal of the first identity card. The second antenna 2012, the third antenna 2013 and the fourth antenna 2014 are responsible for receiving and transmitting a signal 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, respectively, where the uplink signal is a signal transmitted by the base station and received by the electronic device, and the downlink signal is a signal transmitted 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 id card, and the first antenna 2011 is also an MIMO antenna of the first id 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 an N41 frequency band, the second identification card is suitable for a B3 frequency band or a B39 frequency band, the first antenna 2011 can receive or transmit downlink signals of the first identification card in the N41 frequency band, and can also receive downlink signals of the second identification card in the B3 or B39 frequency band, and the second antenna 2012, the third antenna 2013, and the fourth antenna 2014 can receive and transmit downlink signals of the first identification card in the N41 frequency band.
The first signal processing module 202 is electrically connected to a first antenna 2011 of the antenna group 201, the first antenna 2011 can transmit a received downlink signal of the first identification card or a received downlink signal of the second identification card to the first signal processing module 202, and the first signal processing module 202 processes the downlink signal of the first identification card and the downlink signal of the second identification card.
In an embodiment, an internal structural diagram of the first signal processing module 202 is shown in fig. 3, the first signal processing module 202 includes a first receiving path and a second receiving path, where the first receiving path is used to receive a downlink signal of the first identification card transmitted by the first antenna 2011, and the second receiving path is used to receive a downlink signal of the second identification card transmitted by the first antenna 2011, and in practical applications, 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 electrically connected to an input pin of the dual-frequency filter 2022, and a first output pin of the dual-frequency filter 2022 is electrically connected to an input terminal 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 electrically connected to an input pin of the dual-frequency filter 2022, and a second output pin of the dual-frequency filter 2022 is electrically connected to an input terminal of the second amplifier 2024.
The first antenna 2011 receives downlink signals of different frequency bands, so when the downlink signals enter the first signal processing module 202, the first switch unit 2021 selects frequencies to obtain the downlink signals required by the first signal processing module 202, wherein the first signal processing module 202 is used for processing the downlink signals of the first identification card and the downlink signals of the second identification card, so the downlink signals of the frequency band range where the downlink signals of the first identification card and the downlink signals of the second identification 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 identification card and the downlink signals of the second identification card, the dual-frequency filter 2022 judges that the input downlink signals are the downlink signals of the first identification card through the frequency of the input downlink signals, or the downlink signal of the second identification card, so as to gate the corresponding output path for the input downlink signal, for example, the first output pin and the second output pin of the dual-band filter 2022 support the passing of signals of different frequency bands according to the characteristics of the dual-band filter 2022, wherein the first output pin allows the signal in the frequency band where the downlink signal of the first identification card is located to pass, the second output pin allows the signal in the frequency band where the downlink signal of the second identification card is located to pass, in practical application, the dual-band filter 2022 may support the downlink signal of the combination of the B3 frequency band and the N41 frequency band, and may also support the downlink signal of the combination of the B39 and the N41 frequency band, when the downlink signal input by the dual-band filter 2022 is output through the first output pin, the input downlink signal represents that the input downlink signal is the downlink signal of the first identification card, when the downlink signal input by the dual-band filter 2022 is output through the second output pin, the downlink signal representing the input is the downlink signal of the second identification card. The downstream signal of the first identification card output from the first output pin of the dual-band 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 identification card. The downstream signal of the second identification card output from the second output pin of the dual-band 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 downlink 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 downlink signal of the first identification card and the downlink signal of the second identification card.
The second signal processing module 203 is respectively in circuit connection with the first antenna 2011, the second antenna 2012, the third antenna 2013 and the fourth antenna 2014 in the antenna group 201, and the second signal processing module 203 can receive the downlink signal of the first identity card transmitted by the second antenna 2012, the third antenna 2013 and the fourth antenna 2014 and process the downlink signal of the first identity card. In addition, the second signal processing module 203 is further electrically connected to the transceiver module 204, and 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 then 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, an internal structural diagram of the second signal processing module 203 is shown in fig. 4, where an arrow in fig. 4 indicates a signal flow direction, and the second signal processing module includes a first transceiver 2031, a first receiver 2032, and a second receiver 2033.
In practical applications, the first transceiver 2031 is a main transceiver module of the first identity card, the first transceiver 2031 is responsible for processing an uplink signal of the first identity card, specifically, the first transceiver 2031 is electrically connected to the transceiver module 204, the uplink signal of the first identity card modulated by the transceiver module 204 flows to the first transceiver 2031, the first transceiver 2031 processes the uplink signal of the first identity card flowing in, the first transceiver 2031 is electrically connected to the first antenna 2011 to form a first transmit path, the first transceiver 2031 is further electrically connected to the second antenna 2012 to form a second transmit path, the uplink signal of the first identity card processed by the first transceiver 2031 flows to the first antenna 2011 through the first transmit path, or 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. The first transceiver 2031 is also responsible for signal processing of the 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 2031, the first transceiver 2031 processes the downlink signal of the first identity card, and the downlink signal of the first identity card processed by the first transceiver 2031 flows to the transceiver module 204.
In practical applications, the first receiving unit 2032 is a secondary receiving module of the first identity card, the first receiving unit 2032 is responsible for processing a downlink signal of the first identity card, specifically, the first receiving unit 2032 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 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 transceiving unit 2031 to form a third transmitting path, and the uplink signal of the first identification card processed by the first transceiving unit 2031 flows to the first receiving unit 2032 via the third transmitting path, and then the signal of the first identification card is transmitted by the third antenna 2013.
In practical applications, the second receiving unit 2033 is a receiving module of the first identification card mioo 1, the second receiving unit 2033 is responsible for processing a downlink signal of the first identification card, specifically, the second receiving unit 2033 is in circuit connection with the fourth antenna 2014, the downlink signal of the first identification 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 identification card, and the downlink signal of the first identification 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 receiving unit 2031 to form a fourth transmitting path, and the uplink signal of the first identification card processed by the first receiving unit 2031 flows to the second receiving unit 2033 via the fourth transmitting path, and then is sent out via the fourth antenna 2014.
In practical applications, the uplink Signal of the first identity card processed by the first transceiver 2031 may be sent out through a first transmission path, a second transmission path, a third transmission path, and a fourth transmission path, where the first transmission path, the third transmission path, and the fourth transmission path are Sounding Reference Signal (SRS) paths, the uplink Signal of the first identity card processed by the first transceiver 2031 is sent out through the second transmission path by default, the first transceiver 2031 alternately sends the uplink Signal of the first identity card in the first transmission path, the second transmission path, the third transmission path, and the fourth transmission path, and selects one transmission path at a time, and sends the uplink Signal of the first identity card through the corresponding antenna in the antenna group 201 through the transmission path.
In an embodiment, in a case where the first transceiving unit 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 transceiving unit 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 case that the first transceiving unit 2031 selects to transmit the uplink signal of the first identification card via the second transmission path, the uplink signal of the first identification card processed by the first transceiving unit 2031 flows to the second antenna 2012 via the second transmission path, and the second antenna 2012 transmits the uplink signal of the first identification card. In the case that the first transceiving unit 2031 selects to transmit the uplink signal of the first identification card via the third transmission path, the uplink signal of the first identification card processed by the first transceiving unit 2031 flows to the third antenna 2013 via the third transmission path, and the third antenna 2013 transmits the uplink signal of the first identification card. In case that the first transceiving unit 2031 selects to transmit the uplink signal of the first identification card via the fourth transmission path, the uplink signal of the first identification card processed by the first transceiving unit 2031 flows to the fourth antenna 2014 via the fourth transmission path, and the fourth antenna 2014 transmits the uplink signal of the first identification card.
In an embodiment, as shown in fig. 5, fig. 5 is a schematic structural diagram of the first transceiver 2031, and the first transceiver 2031 includes a third receiving path and a first processing path, where 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 composed of a first surface acoustic wave filter 501 and a third amplifier 502, wherein the input end of the first surface acoustic wave filter 501 is in circuit connection with the second antenna 2012, the downlink signal of the first identification card received by the second antenna 2012 flows to the input end of the first surface acoustic wave filter 501, the first surface acoustic wave filter 501 filters the downlink signal of the first identification card and outputs the downlink signal of the first identification card through the first surface acoustic wave filter 501, the output end of the first surface acoustic wave filter 501 is in circuit connection with the input end of the third amplifier 502, the downlink signal of the first identification 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 identification card and outputs the downlink signal through the output end of the third amplifier 502, the output end of the third amplifier 502 is in circuit connection with the input end of the transceiver module 204, the downlink signal of the first identity card flows to the transceiver module 204, so that the transceiver module 204 demodulates the downlink signal of the first identity card.
The first processing path is composed of a power amplifier 503 and a second acoustic surface filter 504, wherein an input end of the power amplifier 503 is electrically connected with an output end of the transceiver module 204, an uplink signal of the first identification card modulated by the transceiver module 204 flows to an input end of the power amplifier 503, the power amplifier 503 performs power amplification on the uplink signal of the first identification card and outputs the uplink signal through an output end of the power amplifier 503, an output end of the power amplifier 503 is electrically connected with an input end of the second acoustic surface filter 504, the uplink signal of the first identification card flows to an input end of the second acoustic surface filter 504, the second acoustic surface filter 504 performs filtering processing on the uplink signal of the first identification card and outputs the uplink signal through an output end of the second acoustic surface filter 504, and an output end of the second acoustic surface filter 504 is electrically connected with a second antenna 2012, the uplink signal of the first identification card flows to the second antenna 2012, and the second antenna 2012 transmits the uplink signal of the first identification card.
In an embodiment, as shown in fig. 6, fig. 6 illustrates a schematic structure 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 receiving path,
the fourth receiving path in the first receiving unit 2032 consists of a third saw filter 601 and a fourth amplifier 602, the input of the third saw filter 601 is electrically connected with the third antenna 2013, the downlink signal of the first identification card received by the third antenna 2013 flows to the input of the third saw filter 601 through the fourth receiving path of the first receiving unit 2032, the third saw filter 601 filters the downlink signal of the first identification card and outputs the downlink signal from the output of the third saw filter 601, the output of the third saw filter 601 is electrically connected with the input of the fourth amplifier 602, the downlink signal of the first identification card flows to the input of the fourth amplifier 602, the fourth amplifier 602 performs low noise amplification on the downlink signal of the first identification card and outputs the downlink signal from the output of the fourth amplifier 602, the output terminal of the fourth amplifier 602 is electrically connected to the input terminal of the transceiver module 204, and the downlink signal of the first identification card flows to the transceiver module 204, and the transceiver module 204 demodulates the downlink signal of the first identification card on the fourth receiving path via the first receiving unit 2032.
The fourth receiving path in the second receiving unit 2033 consists of a third saw filter 603 and a fourth amplifier 604, the input terminal of the third saw filter 603 is connected to the fourth antenna 2014, the downlink signal of the first identification card received by the fourth antenna 2014 flows to the input terminal of the third saw filter 603 through the fourth receiving path of the second receiving unit 2033, the third saw filter 603 filters the downlink signal of the first identification card and outputs the filtered downlink signal from the output terminal of the third saw filter 603, the output terminal of the third saw filter 603 is connected to the input terminal of the fourth amplifier 604, the downlink signal of the first identification card flows to the input terminal of the fourth amplifier 604, the fourth amplifier 604 performs low noise amplification on the downlink signal of the first identification card and outputs the amplified downlink signal from the output terminal of the fourth amplifier 604, the output terminal of the fourth amplifier 604 is electrically connected to the input terminal of the transceiver module 204, and the downlink signal of the first identification card flows to the transceiver module 204, and the transceiver module 204 demodulates the downlink signal of the first identification card on the fourth receiving path via the second receiving unit 2033.
The transceiver module 204 is electrically connected to the first signal processing module 202, and is capable of receiving the downlink signal of the first identification card and the downlink signal of the second identification card output by the first signal processing module 202, and demodulates the received downlink signal of the first identification card and the downlink signal of the second identification card, the transceiver module 204 is further electrically connected to the second signal processing module 203, and is capable of receiving the downlink signal of the first identification card output by the second signal processing module 203, and demodulates the received downlink signal of the first identification card and may also modulate the uplink signal of the first identification card, and transmits the modulated uplink signal of the first identification card output from the transceiving module 204 to the second signal processing module 203, so that the second signal processing module 203 can process the received modulated upstream 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 the first antenna 2011 may be configured to receive a downlink signal of the first identity card and a downlink signal of the second identity card, and may also be configured to transmit an 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, and therefore, the second switch unit 701 needs to gate the receiving path or the transmitting path, so as to complete receiving of the downlink signal or transmitting 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 electrically connected with the first signal processing module 202, the second pin of the second switch unit 701 is electrically connected with the second signal processing module 203, the third pin of the second switch unit is electrically connected with the first antenna 2011, and the second switch unit can gate different paths according to different frequencies, specifically, when the first antenna 2011 receives a downlink signal of the first identification card or a downlink signal of the second identification card, the second switch unit 701 gates the first signal processing module 202 connected to the first pin, the first antenna 2011 is thus connected to the first signal processing module 202, so that the downlink signal of the first identification card or the downlink signal of the second identification 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 transmit 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, the uplink signal of the first identity card processed by the second signal processing module can flow to the first antenna 2011, and the first antenna 2011 transmits the uplink signal of the first identity card.
In the embodiment, the first signal processing module realizes the simultaneous operation of the receiving diversity of the first identity card and the MIMO receiving of the second identity card, and two receiving paths do not need to be configured for the second identity card, so that the design of a radio frequency circuit is simplified, more than one area on a printed circuit board of the radio frequency circuit can be reduced, and the cost of hardware is reduced.
An embodiment of the present application further provides a radio frequency module, as shown in fig. 8, fig. 8 is a schematic structural diagram of a radio frequency module, where the radio frequency module includes at least a radio frequency circuit, where the radio frequency circuit includes:
an antenna group at least comprising four antennas; the first antenna of the antenna group is used for receiving a downlink signal of a first identity card and a downlink signal of a second identity card and sending an uplink signal of the first identity card; the second antenna, the third antenna and the fourth antenna of the antenna group are used for sending an uplink signal of the first identity card and receiving a downlink signal of the first identity 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 recognition card and the downlink signal of the second identity recognition 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 downlink signals of the first identity card received by a second antenna, a third antenna and a 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 transceiver module is used for modulating an uplink signal of the first identity card and transmitting the modulated uplink signal of the first identity card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity card; the transceiver module is further configured to demodulate downlink signals output by the first signal processing module and the second signal processing module.
In one 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 double-frequency filter and a first amplifier; a first output pin of the first switch unit is in circuit connection with an input pin of the dual-frequency filter; a first output pin of the double-frequency filter is in circuit connection with the input end of the first amplifier; the first receiving channel is used for receiving a downlink signal of a first identity card; the first amplifier is used for amplifying a downlink signal of the first identity card;
the second receiving path comprises the first switching unit, the double-frequency filter and a second amplifier; a first output pin of the first switch unit is in circuit connection with an input pin of the dual-frequency filter; a second output pin of the double-frequency filter is in circuit connection with the input end of the second amplifier; the second receiving channel is used for receiving a downlink signal of a second identity recognition card; the second amplifier is used for amplifying the downlink signal of the second identity recognition card; wherein,
the first switch unit is used for carrying out frequency selection on an input downlink signal; a first output pin of the first switch unit outputs a signal of a frequency range where a downlink signal of the first identity card and a downlink signal of the second identity card are located; the double-frequency filter is used for gating an output path of the input downlink signal.
In one embodiment, the first identity card is adapted for the N41 band; the second identification card is suitable for a B3 frequency band or a B39 frequency band.
In one embodiment, the second signal processing module includes:
the first transceiver unit is in circuit connection with the transceiver module and is used for processing the modulated uplink signal of the 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 card received by the second antenna; the first transceiver unit is in circuit connection with the first antenna to form a first transmission path; the first receiving and transmitting unit is in circuit connection with the second antenna to form a second transmitting path; the first signal transmitting path and the second signal transmitting path are used for transmitting an uplink signal of the first identity 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 also in circuit connection with the first transceiving unit to establish a third transmitting path; the third signal transmitting path is used for transmitting an uplink signal of the first identity 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 also in circuit connection with the first transceiving circuit to establish a fourth transmitting path; the fourth signal transmitting path is used for transmitting an uplink signal of the first identity card; wherein,
the first transceiver unit selects the first transmission path, the second transmission path, the third transmission path and the fourth transmission path in turn to transmit the uplink signal of the first identity card in turn.
In one embodiment, the first antenna transmits an uplink signal of the first identity card based on the first transmission path;
the second antenna transmits an uplink signal of the first identity card based on the second transmission path;
the third antenna transmits an uplink signal of the first identity card based on the third transmission channel;
and the fourth antenna transmits the uplink signal of the first identity card based on the fourth transmission channel.
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; a second pin of the second switch unit is in circuit connection with the second signal processing module; a 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 a downlink signal of the first identity card or a downlink signal of the second identity card; and when the second signal processing module selects the first antenna to send the uplink signal of the first identity card, the switch unit gates the first transceiver unit connected with the second pin.
In one embodiment, the first transceiver unit includes a third receiving path and a first processing path;
the third receiving path comprises a first surface acoustic 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 surface acoustic wave filter is used for filtering a downlink signal of the first identity card received by the second antenna; the third amplifier is used for carrying out low-noise amplification on the output signal of the first surface acoustic wave filter;
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 transceiving module; the output end of the power amplifier is in circuit connection with the input end of the second SAW 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 modulated uplink signal of the first identity identification card output by the transceiver module; the second surface acoustic wave filter is used for filtering the output signal of the power amplifier.
In one embodiment, the first transceiver unit includes a third receiving path and a first processing path;
the third receiving path comprises a first surface acoustic 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 surface acoustic wave filter is used for filtering a downlink signal of the first identity card received by the second antenna; the third amplifier is used for carrying out low-noise amplification on the output signal of the first surface acoustic wave filter;
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 transceiving module; the output end of the power amplifier is in circuit connection with the input end of the second SAW 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 modulated uplink signal of the first identity identification card output by the transceiver module; the second surface acoustic wave filter is used for filtering the output signal of the power amplifier.
An embodiment of the present application further 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 at least comprising four antennas; the first antenna of the antenna group is used for receiving a downlink signal of a first identity card and a downlink signal of a second identity card and sending an uplink signal of the first identity card; the second antenna, the third antenna and the fourth antenna of the antenna group are used for sending an uplink signal of the first identity card and receiving a downlink signal of the first identity 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 recognition card and the downlink signal of the second identity recognition 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 downlink signals of the first identity card received by a second antenna, a third antenna and a 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 transceiver module is used for modulating an uplink signal of the first identity card and transmitting the modulated uplink signal of the first identity card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity card; the transceiver module is further configured to demodulate downlink signals output by the first signal processing module and the second signal processing module.
In one 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 double-frequency filter and a first amplifier; a first output pin of the first switch unit is in circuit connection with an input pin of the dual-frequency filter; a first output pin of the double-frequency filter is in circuit connection with the input end of the first amplifier; the first receiving channel is used for receiving a downlink signal of a first identity card; the first amplifier is used for amplifying a downlink signal of the first identity card;
the second receiving path comprises the first switching unit, the double-frequency filter and a second amplifier; a first output pin of the first switch unit is in circuit connection with an input pin of the dual-frequency filter; a second output pin of the double-frequency filter is in circuit connection with the input end of the second amplifier; the second receiving channel is used for receiving a downlink signal of a second identity recognition card; the second amplifier is used for amplifying the downlink signal of the second identity recognition card; wherein,
the first switch unit is used for carrying out frequency selection on an input downlink signal; a first output pin of the first switch unit outputs a signal of a frequency range where a downlink signal of the first identity card and a downlink signal of the second identity card are located; the double-frequency filter is used for gating an output path of the input downlink signal.
In one embodiment, the first identity card is adapted for the N41 band; the second identification card is suitable for a B3 frequency band or a B39 frequency band.
In one embodiment, the second signal processing module includes:
the first transceiver unit is in circuit connection with the transceiver module and is used for processing the modulated uplink signal of the 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 card received by the second antenna; the first transceiver unit is in circuit connection with the first antenna to form a first transmission path; the first receiving and transmitting unit is in circuit connection with the second antenna to form a second transmitting path; the first signal transmitting path and the second signal transmitting path are used for transmitting an uplink signal of the first identity 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 also in circuit connection with the first transceiving unit to establish a third transmitting path; the third signal transmitting path is used for transmitting an uplink signal of the first identity 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 also in circuit connection with the first transceiving circuit to establish a fourth transmitting path; the fourth signal transmitting path is used for transmitting an uplink signal of the first identity card; wherein,
the first transceiver unit selects the first transmission path, the second transmission path, the third transmission path and the fourth transmission path in turn to transmit the uplink signal of the first identity card in turn.
In one embodiment, the first antenna transmits an uplink signal of the first identity card based on the first transmission path;
the second antenna transmits an uplink signal of the first identity card based on the second transmission path;
the third antenna transmits an uplink signal of the first identity card based on the third transmission channel;
and the fourth antenna transmits the uplink signal of the first identity card based on the fourth transmission channel.
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; a second pin of the second switch unit is in circuit connection with the second signal processing module; a 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 a downlink signal of the first identity card or a downlink signal of the second identity card; and when the second signal processing module selects the first antenna to send the uplink signal of the first identity card, the switch unit gates the first transceiver unit connected with the second pin.
In one embodiment, the first transceiver unit includes a third receiving path and a first processing path;
the third receiving path comprises a first surface acoustic 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 surface acoustic wave filter is used for filtering a downlink signal of the first identity card received by the second antenna; the third amplifier is used for carrying out low-noise amplification on the output signal of the first surface acoustic wave filter;
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 transceiving module; the output end of the power amplifier is in circuit connection with the input end of the second SAW 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 modulated uplink signal of the first identity identification card output by the transceiver module; the second surface acoustic wave filter is used for filtering the output signal of the power amplifier.
In one embodiment, the first transceiver unit includes a third receiving path and a first processing path;
the third receiving path comprises a first surface acoustic 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 surface acoustic wave filter is used for filtering a downlink signal of the first identity card received by the second antenna; the third amplifier is used for carrying out low-noise amplification on the output signal of the first surface acoustic wave filter;
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 transceiving module; the output end of the power amplifier is in circuit connection with the input end of the second SAW 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 modulated uplink signal of the first identity identification card output by the transceiver module; the second surface acoustic wave filter is used for filtering the output signal of the power amplifier.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The above description is only for the 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 conceive of the changes or substitutions within the technical scope of the present application, and shall 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 (10)
1. A radio frequency circuit, comprising:
an antenna group at least comprising four antennas; the first antenna of the antenna group is used for receiving a downlink signal of a first identity card and a downlink signal of a second identity card and sending an uplink signal of the first identity card; the second antenna, the third antenna and the fourth antenna of the antenna group are used for sending an uplink signal of the first identity card and receiving a downlink signal of the first identity 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 recognition card and the downlink signal of the second identity recognition 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 downlink signals of the first identity card received by a second antenna, a third antenna and a 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 transceiver module is used for modulating an uplink signal of the first identity card and transmitting the modulated uplink signal of the first identity card to the second signal processing module so that the second signal processing module processes the uplink signal of the first identity card; the transceiver module is further configured to demodulate downlink signals output by the first signal processing module and the second signal processing module.
2. The radio frequency circuit according to 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 double-frequency filter and a first amplifier; a first output pin of the first switch unit is in circuit connection with an input pin of the dual-frequency filter; a first output pin of the double-frequency filter is in circuit connection with the input end of the first amplifier; the first receiving channel is used for receiving a downlink signal of a first identity card; the first amplifier is used for amplifying a downlink signal of the first identity card;
the second receiving path comprises the first switching unit, the double-frequency filter and a second amplifier; a first output pin of the first switch unit is in circuit connection with an input pin of the dual-frequency filter; a second output pin of the double-frequency filter is in circuit connection with the input end of the second amplifier; the second receiving channel is used for receiving a downlink signal of a second identity recognition card; the second amplifier is used for amplifying the downlink signal of the second identity recognition card; wherein,
the first switch unit is used for carrying out frequency selection on an input downlink signal; a first output pin of the first switch unit outputs a signal of a frequency range where a downlink signal of the first identity card and a downlink signal of the second identity card are located; the double-frequency filter is used for gating an output path of the input downlink signal.
3. The radio frequency circuit according to claim 1, wherein the first identification card is adapted for an N41 frequency band; the second identification card is suitable for a B3 frequency band or a B39 frequency band.
4. The radio frequency circuit according to claim 1, wherein the second signal processing module comprises:
the first transceiver unit is in circuit connection with the transceiver module and is used for processing the modulated uplink signal of the 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 card received by the second antenna; the first transceiver unit is in circuit connection with the first antenna to form a first transmission path; the first receiving and transmitting unit is in circuit connection with the second antenna to form a second transmitting path; the first signal transmitting path and the second signal transmitting path are used for transmitting an uplink signal of the first identity 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 also in circuit connection with the first transceiving unit to establish a third transmitting path; the third signal transmitting path is used for transmitting an uplink signal of the first identity 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 also in circuit connection with the first transceiving circuit to establish a fourth transmitting path; the fourth signal transmitting path is used for transmitting an uplink signal of the first identity card; wherein,
the first transceiver unit selects the first transmission path, the second transmission path, the third transmission path and the fourth transmission path in turn to transmit the uplink signal of the first identity card in turn.
5. The radio frequency circuit of claim 4, wherein the first antenna transmits an uplink signal of the first identity card based on the first transmit path;
the second antenna transmits an uplink signal of the first identity card based on the second transmission path;
the third antenna transmits an uplink signal of the first identity card based on the third transmission channel;
and the fourth antenna transmits the uplink signal of the first identity card based on the fourth transmission channel.
6. The radio frequency circuit according to claim 1, further comprising a second switch unit, wherein a first pin of the second switch unit is electrically connected to the first signal processing module; a second pin of the second switch unit is in circuit connection with the second signal processing module; a 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 a downlink signal of the first identity card or a downlink signal of the second identity card; and when the second signal processing module selects the first antenna to send the uplink signal of the first identity card, the switch unit gates the first transceiver unit connected with the second pin.
7. The RF circuit of claim 4, wherein the first transceiver unit comprises a third receiving path and a first processing path;
the third receiving path comprises a first surface acoustic 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 surface acoustic wave filter is used for filtering a downlink signal of the first identity card received by the second antenna; the third amplifier is used for carrying out low-noise amplification on the output signal of the first surface acoustic wave filter;
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 transceiving module; the output end of the power amplifier is in circuit connection with the input end of the second SAW 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 modulated uplink signal of the first identity identification card output by the transceiver module; the second surface acoustic wave filter is used for filtering the output signal of the power amplifier.
8. The RF circuit of claim 4, wherein the first receiving unit and the second receiving unit are configured with a fourth receiving path;
the fourth receiving path comprises a third SAW 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 carrying out low-noise amplification on the output signal of the third sound surface filter; wherein,
the input end of a third sound surface filter in a fourth receiving path on the first receiving unit is in circuit connection with the third antenna; the third saw filter in the fourth receiving path is configured to filter a downlink signal of the first identity card received by the third antenna;
the input end of a third sound surface filter in a fourth receiving path on the second receiving unit is in circuit connection with the fourth antenna; the third saw filter in the fourth receiving path is configured to filter a downlink signal of the first identity card received by the fourth antenna.
9. A radio frequency module, characterized in that the electric machine comprises at least a radio frequency circuit according to any of claims 1 to 8.
10. An electronic device, characterized in that it comprises at least a radio frequency circuit according to any one of claims 1 to 8.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310314436.7A CN116346157A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
| CN202310314115.7A CN116346156A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
| CN202111160684.8A CN113922837B (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
| PCT/CN2022/118153 WO2023051219A1 (en) | 2021-09-30 | 2022-09-09 | Radio-frequency circuit, radio-frequency module, and electronic device |
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| CN202111160684.8A CN113922837B (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
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| CN202310314436.7A Division CN116346157A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
| CN202310314115.7A Division CN116346156A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
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| CN113922837A true CN113922837A (en) | 2022-01-11 |
| CN113922837B CN113922837B (en) | 2023-04-14 |
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| CN202310314436.7A Pending CN116346157A (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
| CN202111160684.8A Active CN113922837B (en) | 2021-09-30 | 2021-09-30 | Radio frequency circuit, radio frequency module and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051219A1 (en) * | 2021-09-30 | 2023-04-06 | 深圳市锐尔觅移动通信有限公司 | Radio-frequency circuit, radio-frequency module, and electronic device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11916541B2 (en) * | 2021-06-09 | 2024-02-27 | Qorvo Us, Inc. | Dynamic band steering filter bank module with passband allocations |
| US12015430B2 (en) | 2021-06-09 | 2024-06-18 | Qorvo Us, Inc. | Dynamic band steering filter bank module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201054724Y (en) * | 2007-04-25 | 2008-04-30 | 蔡俊华 | A positioning terminal for radio communication system |
| 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 |
| CN110086481A (en) * | 2019-06-14 | 2019-08-02 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
| CN110224712A (en) * | 2019-07-08 | 2019-09-10 | Oppo广东移动通信有限公司 | Radio circuit, electronic equipment and radio circuit control method |
| CN110336578A (en) * | 2019-07-08 | 2019-10-15 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
| 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 |
| WO2021042310A1 (en) * | 2019-09-04 | 2021-03-11 | 华为技术有限公司 | Method for switching communication system, and communication apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10003374B1 (en) * | 2017-11-29 | 2018-06-19 | National Cheng Kung University | Wireless radio frequency transceiver system for internet of things |
| 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 |
| CN116346156A (en) * | 2021-09-30 | 2023-06-27 | 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 CN202310314115.7A patent/CN116346156A/en active Pending
- 2021-09-30 CN CN202310314436.7A patent/CN116346157A/en active Pending
- 2021-09-30 CN CN202111160684.8A patent/CN113922837B/en active Active
-
2022
- 2022-09-09 WO PCT/CN2022/118153 patent/WO2023051219A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201054724Y (en) * | 2007-04-25 | 2008-04-30 | 蔡俊华 | A positioning terminal for radio communication system |
| 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 |
| CN110086481A (en) * | 2019-06-14 | 2019-08-02 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
| CN110224712A (en) * | 2019-07-08 | 2019-09-10 | Oppo广东移动通信有限公司 | Radio circuit, electronic equipment and radio circuit control method |
| CN110336578A (en) * | 2019-07-08 | 2019-10-15 | Oppo广东移动通信有限公司 | Radio circuit and electronic equipment |
| WO2021042310A1 (en) * | 2019-09-04 | 2021-03-11 | 华为技术有限公司 | Method for switching communication system, and communication apparatus |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051219A1 (en) * | 2021-09-30 | 2023-04-06 | 深圳市锐尔觅移动通信有限公司 | Radio-frequency circuit, radio-frequency module, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116346156A (en) | 2023-06-27 |
| CN113922837B (en) | 2023-04-14 |
| WO2023051219A1 (en) | 2023-04-06 |
| CN116346157A (en) | 2023-06-27 |
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