CN112865817B - Signal processing system and electronic equipment - Google Patents
Signal processing system and electronic equipment Download PDFInfo
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- CN112865817B CN112865817B CN202011628055.9A CN202011628055A CN112865817B CN 112865817 B CN112865817 B CN 112865817B CN 202011628055 A CN202011628055 A CN 202011628055A CN 112865817 B CN112865817 B CN 112865817B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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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
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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Abstract
The embodiment of the invention provides a signal processing system and electronic equipment, wherein the system comprises: the radio frequency transceiver sends a first frequency Band signal and a second frequency Band signal to the radio frequency amplifier, wherein the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier respectively amplifies the first frequency band signal and the second frequency band signal; the first duplexer receives the first frequency band signal and the second frequency band signal amplified by the radio frequency amplifier and forwards the signals to the radio frequency front-end switch module; the radio frequency front-end switch module transmits the amplified first frequency Band signal and the amplified second frequency Band signal and receives a fourth frequency Band signal and a fifth frequency Band signal, and the fifth frequency Band signal belongs to a Band66 frequency Band; the first duplexer receives a fourth frequency band signal from the radio frequency front-end switch module; the first filter receives a fifth frequency band signal from the radio frequency front end module. Therefore, the space occupied by various radio frequency devices in the signal processing system can be reduced, and the signal processing cost of the radio frequency front end is reduced.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a signal processing system and an electronic device.
Background
Radio Frequency (RF) transmission of electronic signals requires a corresponding power amplification for a predetermined transmission. The typical frequency spectrum of radio frequency signals can range from a few megahertz (MHz) to tens of gigahertz (GHz) and higher, providing more designs and implementations for the field of communications. For example, a multi-standard and multi-band wireless service system is formed up to now through the development of wireless communication standards (long term Evolution (LTE)/long term Evolution-Advanced (LTE-a), super Wi-Fi (super Wi-Fi), etc.) and new communication bands (B40, B41, B17, B12, etc.); this also results in wireless communication devices (cell phones, personal digital assistants (PDA's), tablet computers, laptops, etc.) having to be able to obtain wireless services over multiple standards and multiple frequency bands.
In a wireless communication device, a system corresponding to a radio frequency front end is generally required to perform signal processing, where a signal processing architecture of the radio frequency front end includes devices such as a Power Amplifier (PA), a Low Noise Amplifier (LNA), a filter, a duplexer, a switch, and an antenna. With the increase of new frequency bands, the technologies of carrier aggregation, Multiple Input Multiple Output (MIMO, Multiple Input Multiple Output) and the like are widely applied, various radio frequency devices are more and more, the signal processing architecture of the radio frequency front end is more and more complicated, the signal processing cost of the radio frequency front end is increased suddenly, and the various radio frequency devices occupy a large space in the signal processing system of the radio frequency front end.
Therefore, there is a need for a signal processing system and an electronic device that can reduce the signal processing cost of the rf front end and reduce the space occupied by various rf devices in the signal processing system.
Disclosure of Invention
Embodiments of the present invention provide a signal processing system and an electronic device, which can reduce signal processing cost of a radio frequency front end and reduce space occupied by various radio frequency devices in the signal processing system.
In a first aspect, an embodiment of the present invention provides a signal processing system, where the system includes:
the radio frequency transceiver is used for sending a first frequency Band signal and a second frequency Band signal to the radio frequency amplifier, and the frequency Band of the second frequency Band signal belongs to a Band66 frequency Band;
the radio frequency amplifier is used for respectively amplifying the first frequency band signal and the second frequency band signal;
the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier and the second frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module;
the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal and the amplified second frequency Band signal, and to receive a fourth frequency Band signal and a fifth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band;
the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module;
the first filter is configured to receive the fifth frequency band signal from the radio frequency front end module;
a processor for processing the fourth frequency band signal and/or the fifth frequency band signal.
As can be seen from the above, the first duplexer and the first filter perform filtering processing on the Band66 Band signal. The first duplexer is further configured to perform filtering processing on the first frequency band signal and the fourth frequency band signal. So, compare in prior art through two duplexers to first frequency channel signal and fourth frequency channel signal to and Band66 frequency channel signal carries out filtering process, this application can reduce the use quantity of duplexer, reduces duplexer occupation space and duplexer cost. Furthermore, the occupied space of various radio frequency devices in the signal processing system can be reduced, and the signal processing cost of the radio frequency front end is reduced.
Optionally, the method includes: the frequency Band of the first frequency Band signal and the frequency Band of the fourth frequency Band signal belong to a Band3 frequency Band.
As can be seen from the above, when the first duplexer performs filtering processing on the Band66 Band signal, it can also process the transmission/reception signal in the Band3 Band.
Optionally, the method further includes: the radio frequency transceiver is used for sending a first frequency Band signal, a second frequency Band signal and a third frequency Band signal to the radio frequency amplifier, wherein the frequency Band of the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier is used for respectively amplifying the first frequency band signal, the second frequency band signal and the third frequency band signal; the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier, the second frequency band signal amplified by the radio frequency amplifier and the third frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal, the amplified second frequency Band signal, and the amplified third frequency Band signal, and to receive a fourth frequency Band signal, a fifth frequency Band signal, and a sixth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band; the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module; the first filter is configured to receive the fifth frequency band signal and the sixth frequency band signal from the radio frequency front end module; a processor for processing the fourth frequency band signal, and/or the fifth frequency band signal, and/or the sixth frequency band signal.
As can be seen from the above, the first duplexer and the first filter can also process the transmission signal of the third frequency band and the reception signal of the sixth frequency band, respectively. Compared with the prior art that the transmitting signal of the third frequency band and the receiving signal of the sixth frequency band are processed through another duplexer, the number of the duplexers used can be reduced, and occupied space and cost of the duplexers are reduced.
Optionally, the method includes: and the frequency Band of the third frequency Band signal and the frequency Band of the sixth frequency Band signal belong to a Band4 frequency Band.
As can be seen from the above, the first duplexer and the first filter can also process the transmission signal and the reception signal of the Band4 frequency Band, respectively.
Optionally, the radio frequency transceiver is further configured to send a third frequency Band signal to the radio frequency amplifier, where a frequency Band of the third frequency Band signal belongs to a Band4 frequency Band; the first duplexer is also used for receiving a third frequency band signal amplified by the radio frequency amplifier and forwarding the third frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is further configured to transmit the amplified third frequency Band signal, and to receive a sixth frequency Band signal, where a frequency Band of the sixth frequency Band signal belongs to a Band4 frequency Band; the system further comprises a second duplexer, wherein the second duplexer is further configured to receive the sixth frequency band signal from the rf front-end switch module; the processor is further configured to process the sixth frequency band signal.
Optionally, the method further includes: the radio frequency transceiver is used for sending a first frequency Band signal, a second frequency Band signal, a third frequency Band signal and a seventh frequency Band signal to the radio frequency amplifier, wherein the frequency Band of the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier is used for respectively amplifying the first frequency band signal, the second frequency band signal, the third frequency band signal and the seventh frequency band signal; the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier, the second frequency band signal amplified by the radio frequency amplifier and the third frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module; the second duplexer is used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal, the amplified second frequency Band signal, the amplified third frequency Band signal, and the amplified seventh frequency Band signal, and to receive a fourth frequency Band signal, a fifth frequency Band signal, a sixth frequency Band signal, and an eighth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band; the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module; the first filter is configured to receive the fifth frequency band signal, the sixth frequency band signal, and the eighth frequency band signal from the radio frequency front end module; a processor, configured to process the fourth frequency band signal, and/or the fifth frequency band signal, and/or the sixth frequency band signal, and/or the eighth frequency band signal.
As can be seen from the above, the system may further include a second duplexer for processing the seventh frequency band transmission signal, and the eighth frequency band signal may be processed by the first filter.
Optionally, the method includes: the frequency Band of the seventh frequency Band signal and the frequency Band of the eighth frequency Band signal belong to a Band1 frequency Band.
Optionally, the radio frequency transceiver is further configured to send a seventh frequency Band signal to the radio frequency amplifier, where a frequency Band of the seventh frequency Band signal belongs to a Band1 frequency Band; the radio frequency amplifier is further used for amplifying the seventh frequency band signal; the second duplexer is also used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified seventh frequency Band signal and receive an eighth frequency Band signal, where a frequency Band of the eighth frequency Band signal belongs to the Band1 frequency Band; the first filter is configured to receive the eighth frequency band signal from the radio frequency front end module; and the processor is used for processing the eighth frequency band signal.
Optionally, the method further includes: the radio frequency transceiver is used for sending a first frequency Band signal, a second frequency Band signal, a third frequency Band signal, a seventh frequency Band signal and a ninth frequency Band signal to the radio frequency amplifier, wherein the frequency Band of the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier is configured to amplify the first frequency band signal, the second frequency band signal, the third frequency band signal, the seventh frequency band signal, and the ninth frequency band signal respectively; the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier, the second frequency band signal amplified by the radio frequency amplifier and the third frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module; the second duplexer is used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module; the third duplexer is used for receiving the ninth frequency band signal amplified by the radio frequency amplifier and forwarding the ninth frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal, the amplified second frequency Band signal, the amplified third frequency Band signal, the amplified seventh frequency Band signal, and the amplified ninth frequency Band signal, and to receive a fourth frequency Band signal, a fifth frequency Band signal, a sixth frequency Band signal, an eighth frequency Band signal, and a tenth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band; the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module; the third duplexer is further configured to receive the tenth frequency band signal from the radio frequency front-end switch module; the first filter is configured to receive the fifth frequency band signal, the sixth frequency band signal, and the eighth frequency band signal from the radio frequency front end module; a processor, configured to process the fourth frequency band signal, and/or the fifth frequency band signal, and/or the sixth frequency band signal, and/or the eighth frequency band signal, and/or the tenth frequency band signal.
As can be seen from the above, the system may further comprise a third duplexer for independently processing the ninth frequency band transmission signal and the tenth frequency band reception signal.
Optionally, the method further includes: the radio frequency transceiver is further used for sending a ninth frequency Band signal to the radio frequency amplifier, wherein the ninth frequency Band signal belongs to a Band2 frequency Band; the radio frequency amplifier is further configured to amplify the ninth frequency band signals respectively; the system also comprises a third duplexer, wherein the third duplexer is used for receiving a ninth frequency band signal amplified by the radio frequency amplifier and forwarding the ninth frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is further configured to transmit the amplified ninth frequency Band signal, and further configured to receive a tenth frequency Band signal, where a frequency Band of the tenth frequency Band signal belongs to a Band2 frequency Band; the third duplexer is further configured to receive the tenth frequency band signal from the radio frequency front-end switch module; the processor is further configured to process the tenth frequency band signal.
Optionally, the method includes: the frequency Band of the ninth frequency Band signal and the frequency Band of the tenth frequency Band signal belong to a Band2 frequency Band.
Optionally, the method includes: the first filter is a surface acoustic wave filter.
According to the content, the surface acoustic wave filter has the advantages of low cost, small size, high sensitivity and capability of reducing the insertion loss of a channel, the accuracy of signal filtering processing is improved, and the signal processing quality is improved.
In a second aspect, an embodiment of the present invention provides an electronic device, which includes the signal processing system in any one of the possible designs of the first aspect.
These and other implementations of the present application will be more readily understood from the following description of the embodiments.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic diagram of a signal processing system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a signal processing system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a signal processing system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a signal processing system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a signal processing system according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a signal processing system according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a signal processing system according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a signal processing system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of a signal processing system according to an embodiment of the present invention, as shown in fig. 1, the signal processing system includes a first duplexer, a first filter, a radio frequency amplifier, a radio frequency transceiver, and a processor. The radio frequency front end switch in the signal processing system is used for starting a receiving signal path or a sending signal path corresponding to a transmitting signal or a receiving signal; the duplexer is used for isolating the transmitting signal from the receiving signal and filtering the transmitting signal and/or the receiving signal; a filter for performing filtering processing on the received signal; the radio frequency amplification circuit is used for amplifying the transmission signal; a radio frequency transceiver for amplifying the received signal; and the processor is used for processing the received signals or the transmitted signals and the like.
Based on the architecture shown in fig. 1, an architecture diagram of a signal processing system according to an embodiment of the present invention is shown in fig. 2, where the radio frequency transceiver is configured to send a first frequency Band signal and a second frequency Band signal to the radio frequency amplifier, and a frequency Band of the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier is used for respectively amplifying the first frequency band signal and the second frequency band signal; the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier and the second frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module; the radio frequency front end switch module is configured to transmit the amplified first frequency Band signal and the amplified second frequency Band signal, and to receive a fourth frequency Band signal and a fifth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band; the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module; the first filter is configured to receive the fifth frequency band signal from the radio frequency front end module; a processor for processing the fourth frequency band signal and/or the fifth frequency band signal. The frequency bands of the first frequency Band signal and the fourth frequency Band signal may belong to a Band3 frequency Band. The Transmission (TX) frequency range of Band3 is 1710-1785MHz, and the Reception (RX) frequency range is 2110-2170 MHz; the TX frequency range of the Band66 is 1710-1780MHz, and the RX frequency range is 2110-2200 MHz; the first duplexer can filter the transmission signal of the Band3, and the frequency range of the transmission signal of the Band3 includes the frequency range of the transmission signal of the Band66, so the first duplexer can also filter the transmission signal of the Band 66. The first duplexer filters the received signal of Band3, and the frequency range of the received signal of Band3 does not include the frequency range of the received signal of Band66, so the received signal of Band66 can be received by adding a first filter. Compare and handle the signal of Band3 frequency channel and the signal of Band66 frequency channel respectively through two duplexers among the prior art, this application replaces the duplexer through the wave filter, reduces the signal processing cost and the shared hardware equipment space of signal processing system.
Based on the architecture shown in fig. 2, an architecture schematic diagram of a signal processing system provided in an embodiment of the present invention is shown in fig. 3, where the radio frequency transceiver is configured to send a first frequency Band signal, a second frequency Band signal, and a third frequency Band signal to the radio frequency amplifier, and a frequency Band of the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier is used for respectively amplifying the first frequency band signal, the second frequency band signal and the third frequency band signal; the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier, the second frequency band signal amplified by the radio frequency amplifier and the third frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal, the amplified second frequency Band signal, and the amplified third frequency Band signal, and to receive a fourth frequency Band signal, a fifth frequency Band signal, and a sixth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band; the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module; the first filter is configured to receive the fifth frequency band signal and the sixth frequency band signal from the radio frequency front end module; a processor for processing the fourth frequency band signal, and/or the fifth frequency band signal, and/or the sixth frequency band signal. And the frequency bands of the third frequency Band signal and the sixth frequency Band signal belong to a Band4 frequency Band. The TX frequency range of the Band4 is 1710-1755MHz, and the RX frequency range is 2110-2155 MHz; the first duplexer can filter the transmission signals of Band3, the frequency range of the transmission signals of Band3 includes the frequency ranges of the transmission signals of Band66 and Band4, and the first duplexer can also filter the transmission signals of Band66 and Band 4. The first filter may perform filtering processing on the received signal of Band66, and the frequency range of the received signal of Band66 includes the frequency range of the received signal of Band4, then the first filter may also perform filtering processing on the received signal of Band4, so that the received signals of Band66 and Band4 are subjected to filtering processing by the first filter.
Based on the architecture shown in fig. 2, an architecture schematic diagram of a signal processing system provided in an embodiment of the present invention is shown in fig. 4, where the radio frequency transceiver is further configured to send a third frequency Band signal to the radio frequency amplifier, and a frequency Band of the third frequency Band signal belongs to a Band4 frequency Band; the first duplexer is also used for receiving a third frequency band signal amplified by the radio frequency amplifier and forwarding the third frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is further configured to transmit the amplified third frequency Band signal, and to receive a sixth frequency Band signal, where a frequency Band of the sixth frequency Band signal belongs to a Band4 frequency Band; the system further comprises a second duplexer, wherein the second duplexer is further configured to receive the sixth frequency band signal from the rf front-end switch module; the processor is further configured to process the sixth frequency band signal. Here, the second duplexer may also perform filtering processing on the RX frequency reception signal of Band 4.
Based on the architecture shown in fig. 3, an architecture schematic diagram of a signal processing system provided in an embodiment of the present invention is shown in fig. 5, where the radio frequency transceiver is configured to send a first frequency Band signal, a second frequency Band signal, a third frequency Band signal, and a seventh frequency Band signal to the radio frequency amplifier, and a frequency Band of the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier is used for respectively amplifying the first frequency band signal, the second frequency band signal, the third frequency band signal and the seventh frequency band signal; the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier, the second frequency band signal amplified by the radio frequency amplifier and the third frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module; the second duplexer is used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal, the amplified second frequency Band signal, the amplified third frequency Band signal, and the amplified seventh frequency Band signal, and to receive a fourth frequency Band signal, a fifth frequency Band signal, a sixth frequency Band signal, and an eighth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band; the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module; the first filter is configured to receive the fifth frequency band signal, the sixth frequency band signal, and the eighth frequency band signal from the radio frequency front end module; a processor for processing the fourth frequency band signal, and/or the fifth frequency band signal, and/or the sixth frequency band signal, and/or the eighth frequency band signal. And the frequency Band of the seventh frequency Band signal and the frequency Band of the eighth frequency Band signal belong to a Band1 frequency Band. The TX frequency range of the Band1 is 1920-2170 MHz, and the RX frequency range is 2110-2170 MHz; the frequency range of the transmission signal of the Band1 is greater than that of the transmission signal of the Band3, and the transmission signal of the Band1 can be filtered by the second duplexer. The frequency range of the received signal of Band1 is different from that of Band3, and the frequency range of the received signal of Band1 is included in the frequency range of the received signal of Band66, then the received signal of Band1 can be subjected to filtering processing by the first filter.
Based on the architecture shown in fig. 4, an architecture schematic diagram of a signal processing system provided in an embodiment of the present invention is shown in fig. 6, where the radio frequency transceiver is further configured to send a seventh frequency Band signal to the radio frequency amplifier, and a frequency Band of the seventh frequency Band signal belongs to a Band1 frequency Band; the radio frequency amplifier is further used for amplifying the seventh frequency band signal; the second duplexer is also used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified seventh frequency Band signal and receive an eighth frequency Band signal, where a frequency Band of the eighth frequency Band signal belongs to the Band1 frequency Band; the first filter is configured to receive the eighth frequency band signal from the radio frequency front end module; and the processor is used for processing the eighth frequency band signal. The second duplexer may select a duplexer capable of processing signals in the Band1 frequency Band, and thus, the frequency of the received signal in the Band1 includes the frequency of the received signal in the Band4, so that the second duplexer can simultaneously filter the signals in the Band1 frequency Band and the received signal in the Band 4. Based on the architecture shown in fig. 5, an architecture schematic diagram of a signal processing system provided in an embodiment of the present invention is shown in fig. 7, where the radio frequency transceiver is configured to send a first frequency Band signal, a second frequency Band signal, a third frequency Band signal, a seventh frequency Band signal, and a ninth frequency Band signal to the radio frequency amplifier, and a frequency Band of the second frequency Band signal belongs to a Band66 frequency Band; the radio frequency amplifier is configured to amplify the first frequency band signal, the second frequency band signal, the third frequency band signal, the seventh frequency band signal, and the ninth frequency band signal respectively; the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier, the second frequency band signal amplified by the radio frequency amplifier and the third frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module; the second duplexer is used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module; the third duplexer is used for receiving the ninth frequency band signal amplified by the radio frequency amplifier and forwarding the ninth frequency band signal to the radio frequency front-end switch module; the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal, the amplified second frequency Band signal, the amplified third frequency Band signal, the amplified seventh frequency Band signal, and the amplified ninth frequency Band signal, and to receive a fourth frequency Band signal, a fifth frequency Band signal, a sixth frequency Band signal, an eighth frequency Band signal, and a tenth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band; the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module; the third duplexer is further configured to receive the tenth frequency band signal from the radio frequency front-end switch module; the first filter is configured to receive the fifth frequency band signal, the sixth frequency band signal, and the eighth frequency band signal from the radio frequency front end module; a processor, configured to process the fourth frequency band signal, and/or the fifth frequency band signal, and/or the sixth frequency band signal, and/or the eighth frequency band signal, and/or the tenth frequency band signal. And the frequency bands of the ninth frequency Band signal and the tenth frequency Band signal belong to a Band2 frequency Band. The TX frequency range of the Band2 is 1850-1910MHz, and the RX frequency range is 1930-1990 MHz; the frequency range of the transmission signal of the Band2 does not belong to the frequency range of the transmission signal of the Band3, and the transmission signal of the Band2 can be subjected to filtering processing by the third duplexer. If the frequency range of the received signal of Band2 does not belong to the frequency range of the received signal of Band3, does not belong to the frequency range of the received signal of Band1, or does not belong to the frequency range of the received signal of Band66, the received signal of Band2 may be filtered by the third duplexer.
Based on the architecture shown in fig. 6, an architecture schematic diagram of a signal processing system provided in an embodiment of the present invention is shown in fig. 8, where the radio frequency transceiver is further configured to send a ninth frequency Band signal to the radio frequency amplifier, where the ninth frequency Band signal belongs to a Band2 frequency Band; the radio frequency amplifier is further configured to amplify the ninth frequency band signals respectively; the system also comprises a third duplexer, wherein the third duplexer is used for receiving a ninth frequency band signal amplified by the radio frequency amplifier and forwarding the ninth frequency band signal to the radio frequency front-end switch module; the radio frequency front end switch module is further configured to transmit the amplified ninth frequency Band signal, and is further configured to receive a tenth frequency Band signal, where a frequency Band of the tenth frequency Band signal belongs to a Band2 frequency Band; the third duplexer is further configured to receive the tenth frequency band signal from the radio frequency front-end switch module; the processor is further configured to process the tenth frequency band signal.
In the structure of each of the above systems, the first filter may be a surface acoustic wave filter. Because the surface acoustic wave filter is low in cost, small in size and high in sensitivity, the insertion loss of a passage can be reduced.
It should be noted here that the signal processing system in fig. 1-6 is just an example for clearly describing the present solution, and the specific number of duplexers and filters is not limited here.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (9)
1. A system for signal processing, comprising:
the radio frequency transceiver is used for sending a first frequency Band signal and a second frequency Band signal to the radio frequency amplifier, and the frequency Band of the second frequency Band signal belongs to a Band66 frequency Band;
the radio frequency amplifier is used for respectively amplifying the first frequency band signal and the second frequency band signal;
the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier and the second frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module;
the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal and the amplified second frequency Band signal, and to receive a fourth frequency Band signal and a fifth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band, and a frequency Band of the first frequency Band signal and a frequency Band of the fourth frequency Band signal belong to the Band3 frequency Band;
the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module;
a first filter for receiving the fifth frequency band signal from the rf front-end switch module;
a processor for processing the fourth frequency band signal and/or the fifth frequency band signal;
the radio frequency transceiver is further used for sending a third frequency Band signal to the radio frequency amplifier, and the frequency Band of the third frequency Band signal belongs to a Band4 frequency Band;
the first duplexer is also used for receiving a third frequency band signal amplified by the radio frequency amplifier and forwarding the third frequency band signal to the radio frequency front-end switch module;
the radio frequency front-end switch module is further configured to transmit the amplified third frequency Band signal, and to receive a sixth frequency Band signal, where a frequency Band of the sixth frequency Band signal belongs to a Band4 frequency Band;
the system further comprises a second duplexer, wherein the second duplexer is further configured to receive the sixth frequency band signal from the rf front-end switch module;
the processor is further configured to process the sixth frequency band signal.
2. The system of claim 1, wherein the rf transceiver is further configured to transmit a seventh Band signal to the rf amplifier, the seventh Band signal having a Band belonging to the Band1 Band;
the radio frequency amplifier is further used for amplifying the seventh frequency band signal;
the second duplexer is also used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module;
the radio frequency front-end switch module is configured to transmit the amplified seventh frequency Band signal and receive an eighth frequency Band signal, where a frequency Band of the eighth frequency Band signal belongs to the Band1 frequency Band;
the first filter is configured to receive the eighth frequency band signal from the rf front-end switch module;
and the processor is used for processing the eighth frequency band signal.
3. The system as recited in claim 2, further comprising:
the radio frequency transceiver is further used for sending a ninth frequency Band signal to the radio frequency amplifier, wherein the ninth frequency Band signal belongs to a Band2 frequency Band;
the radio frequency amplifier is further configured to amplify the ninth frequency band signals respectively;
the system also comprises a third duplexer, wherein the third duplexer is used for receiving a ninth frequency band signal amplified by the radio frequency amplifier and forwarding the ninth frequency band signal to the radio frequency front-end switch module;
the radio frequency front-end switch module is further configured to transmit the amplified ninth frequency Band signal, and further configured to receive a tenth frequency Band signal, where a frequency Band of the tenth frequency Band signal belongs to a Band2 frequency Band;
the third duplexer is further configured to receive the tenth frequency band signal from the radio frequency front-end switch module;
the processor is further configured to process the tenth frequency band signal.
4. The system of any of claims 1-3, wherein the first filter is a surface acoustic wave filter.
5. An electronic device, characterized in that the electronic device comprises a signal processing system according to any one of claims 1 to 4.
6. A system for signal processing, comprising:
the radio frequency transceiver is used for sending a first frequency Band signal and a second frequency Band signal to the radio frequency amplifier, and the frequency Band of the second frequency Band signal belongs to a Band66 frequency Band;
the radio frequency amplifier is used for respectively amplifying the first frequency band signal and the second frequency band signal;
the first duplexer is used for receiving the first frequency band signal amplified by the radio frequency amplifier and the second frequency band signal amplified by the radio frequency amplifier and forwarding the signals to the radio frequency front-end switch module;
the radio frequency front-end switch module is configured to transmit the amplified first frequency Band signal and the amplified second frequency Band signal, and to receive a fourth frequency Band signal and a fifth frequency Band signal, where a frequency Band of the fifth frequency Band signal belongs to the Band66 frequency Band, and a frequency Band of the first frequency Band signal and a frequency Band of the fourth frequency Band signal belong to the Band3 frequency Band;
the first duplexer is further configured to receive the fourth frequency band signal from the radio frequency front-end switch module;
a first filter for receiving the fifth frequency band signal from the rf front-end switch module;
a processor for processing the fourth frequency band signal and/or the fifth frequency band signal;
the radio frequency transceiver is further used for sending a third frequency Band signal to the radio frequency amplifier, and the frequency Band of the third frequency Band signal belongs to a Band4 frequency Band;
the first duplexer is also used for receiving a third frequency band signal amplified by the radio frequency amplifier and forwarding the third frequency band signal to the radio frequency front-end switch module;
the radio frequency front-end switch module is further configured to transmit the amplified third frequency Band signal, and to receive a sixth frequency Band signal, where a frequency Band of the sixth frequency Band signal belongs to a Band4 frequency Band;
the first filter is configured to receive the sixth frequency band signal from the rf front-end switch module;
the processor is further configured to process the sixth frequency band signal;
the radio frequency transceiver is further configured to send a seventh frequency Band signal to the radio frequency amplifier, where a frequency Band of the seventh frequency Band signal belongs to a Band1 frequency Band;
the radio frequency amplifier is further used for amplifying the seventh frequency band signal;
the system also comprises a second duplexer, wherein the second duplexer is used for receiving the seventh frequency band signal amplified by the radio frequency amplifier and forwarding the seventh frequency band signal to the radio frequency front-end switch module;
the radio frequency front-end switch module is configured to transmit the amplified seventh frequency Band signal and receive an eighth frequency Band signal, where a frequency Band of the eighth frequency Band signal belongs to the Band1 frequency Band;
the first filter is configured to receive the eighth frequency band signal from the rf front-end switch module;
and the processor is used for processing the eighth frequency band signal.
7. The system as recited in claim 6, further comprising:
the radio frequency transceiver is further used for sending a ninth frequency Band signal to the radio frequency amplifier, wherein the ninth frequency Band signal belongs to a Band2 frequency Band;
the radio frequency amplifier is further configured to amplify the ninth frequency band signal;
the system also comprises a third duplexer, wherein the third duplexer is used for receiving a ninth frequency band signal amplified by the radio frequency amplifier and forwarding the ninth frequency band signal to the radio frequency front-end switch module;
the radio frequency front-end switch module is further configured to transmit the amplified ninth frequency Band signal, and further configured to receive a tenth frequency Band signal, where a frequency Band of the tenth frequency Band signal belongs to a Band2 frequency Band;
the third duplexer is further configured to receive the tenth frequency band signal from the radio frequency front-end switch module;
the processor is further configured to process the tenth frequency band signal.
8. The system of claim 6 or 7, wherein the first filter is a surface acoustic wave filter.
9. An electronic device, characterized in that the electronic device comprises a signal processing system according to any one of claims 6 to 8.
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| CN106685436A (en) * | 2016-12-21 | 2017-05-17 | 奇酷互联网络科技（深圳）有限公司 | Method and device for realizing carrier aggregation and terminal device |
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| CN112088494A (en) * | 2018-06-28 | 2020-12-15 | 株式会社村田制作所 | High-frequency module and communication device |
| WO2020129445A1 (en) * | 2018-12-21 | 2020-06-25 | 株式会社村田製作所 | High frequency module and communication device |
| CN111327343A (en) * | 2020-03-06 | 2020-06-23 | 惠州Tcl移动通信有限公司 | Common receiving channel radio frequency device, method and mobile terminal |
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| CN106685436A (en) * | 2016-12-21 | 2017-05-17 | 奇酷互联网络科技（深圳）有限公司 | Method and device for realizing carrier aggregation and terminal device |
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