CN105656493B - Signal receiving and transmitting system and communication equipment - Google Patents
Signal receiving and transmitting system and communication equipment Download PDFInfo
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- CN105656493B CN105656493B CN201610082143.0A CN201610082143A CN105656493B CN 105656493 B CN105656493 B CN 105656493B CN 201610082143 A CN201610082143 A CN 201610082143A CN 105656493 B CN105656493 B CN 105656493B
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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
- H04B1/0067—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 with one or more circuit blocks in common for different bands
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The embodiment of the invention discloses a kind of signal receiving and transmitting system and communication equipments, only pass through a four work devices, realize sending and receiving to the signal of three frequency bands, reduce the usage quantity of multiplexer, reduce the cost of implementation of signal receiving and transmitting system, and reduce the occupied space of multiplexer, the pcb board for carrying multiplexer can be made to carry more other devices.
Description
Technical field
The present invention relates to fields of communication technology, more specifically to a kind of signal receiving and transmitting system and communication equipment.
Background technology
With the rapid development of communication technology, more and more communication equipments can handle the signal of multiple frequency ranges, this is just
Need to isolate the signal of different frequency range in the signal that the signal receiving and transmitting system of communication equipment can receive from antenna.However,
The signal receiving and transmitting system of current communication equipment needs to isolate not in the signal that more multiplexer could receive from antenna
With the signal of frequency range.For example, the signal to handle three frequency ranges, signal receiving and transmitting system in the prior art need three duplexs
Device, alternatively, needing a quadruplex and a duplex system.So that the cost of implementation of signal receiving and transmitting system is higher.
Therefore, how to reduce the cost of implementation of signal receiving and transmitting system becomes urgent problem to be solved.
Invention content
The object of the present invention is to provide a kind of signal receiving and transmitting system and communication equipments, to reduce the realization of signal receiving and transmitting system
Cost.
To achieve the above object, the present invention provides following technical solutions：
A kind of signal receiving and transmitting system is applied to communication equipment, including：
Transceiver, the power amplifier being connect with the transceiver, respectively with the power amplifier and the transceiver
Four work devices of connection, the antenna being connect with the four works device；
The transceiver, for the CF signal of CF signal or the second frequency range by the first frequency range, to be sent
The first baseband signal be modulated；And to the four works device output third frequency range signal or the 4th frequency range letter
It number is demodulated to obtain the second baseband signal；
The four works device, the signal of the first frequency range for being exported to the power amplifier by the first filter module into
Row first be filtered after by the aerial radiation, or the power amplifier is exported by the second filter module
The signals of two frequency ranges carry out second be filtered after by the aerial radiation；And by third filter module to passing through
It states the signal that antenna receives to carry out obtaining the signal of the third frequency range after third is filtered, or passes through the 4th filtering mould
Block obtains the signal of the 4th frequency range after being filtered to the signal progress the 4th received by the antenna；
Wherein, first frequency range and three frequency range belong to first band, second frequency range and the 4th frequency range
Belong to second band, second frequency range and the third frequency range belong to third frequency band.
Above system, it is preferred that the power amplifier is connect by first interface with first filter module；Pass through
Second interface and third interface are connect with second filter module；
The first interface is used for transmission the signal of first frequency range, and the second interface is used for transmission second frequency
The signal of second frequency range of band, the third interface are used for transmission the signal of second frequency range of the third frequency band.
Above system, it is preferred that the second interface and the third interface are filtered by selecting switch and described second
Module connects；Second filter module be connected to the second interface by the selecting switch or with the third interface
Connection.
Above system, it is preferred that the transceiver is connect by the 4th interface with the power amplifier, and the described 4th connects
Mouth is used for transmission the signal modulated by the CF signal of first frequency range, alternatively, being used for transmission by described second
The signal that the CF signal of frequency range is modulated.
Above system, it is preferred that the transceiver is connect by the 5th interface and the 6th interface with the power amplifier,
Wherein, the 5th interface is used for transmission the signal modulated by the CF signal of first frequency range, and the described 6th connects
Mouth is used for transmission the signal modulated by the CF signal of second frequency range.
A kind of communication equipment, including baseband processor and the signal receiving and transmitting system that is connect with module at the base band, it is described
Signal receiving and transmitting system includes：
Transceiver, the power amplifier being connect with the transceiver, respectively with the power amplifier and the transceiver
Four work devices of connection, the antenna being connect with the four works device；
The transceiver, for the CF signal of CF signal or the second frequency range by the first frequency range, to the base
First baseband signal of provided with processor output is modulated；And to the four works device output third frequency range signal or
The signal of 4th frequency range is demodulated to obtain the second baseband signal；
The four works device, the signal of the first frequency range for being exported to the power amplifier by the first filter module into
Row first be filtered after by the aerial radiation, or the power amplifier is exported by the second filter module
The signals of two frequency ranges carry out second be filtered after by the aerial radiation；And by third filter module to passing through
It states the signal that antenna receives to carry out obtaining the signal of the third frequency range after third is filtered, or passes through the 4th filtering mould
Block obtains the signal of the 4th frequency range after being filtered to the signal progress the 4th received by the antenna；
Wherein, first frequency range and three frequency range belong to first band, second frequency range and the 4th frequency range
Belong to second band, second frequency range and the third frequency range belong to third frequency band.
Above-mentioned communication equipment, it is preferred that the power amplifier is connect by first interface with first filter module；
It is connect with second filter module by second interface and third interface；
The first interface is used for transmission the signal of first frequency range, and the second interface is used for transmission second frequency
The signal of second frequency range of band, the third interface are used for transmission the signal of second frequency range of the third frequency band.
Above-mentioned communication equipment, it is preferred that the second interface and the third interface pass through selecting switch and described second
Filter module connects；Second filter module be connected to the second interface by the selecting switch or with the third
Orifice.
Above-mentioned communication equipment, it is preferred that the transceiver is connect by the 4th interface with the power amplifier, and described
Four interfaces are used for transmission the signal modulated by the CF signal of first frequency range, alternatively, being used for transmission by described
The signal that the CF signal of second frequency range is modulated.
Above-mentioned communication equipment, it is preferred that the transceiver passes through the 5th interface and the 6th interface and the power amplifier
Connection, wherein the 5th interface is used for transmission the signal modulated by the CF signal of first frequency range, and described the
Six interfaces are used for transmission the signal modulated by the CF signal of second frequency range.
By above scheme it is found that a kind of signal receiving and transmitting system provided by the present application and communication equipment, only pass through one four
Work device realizes sending and receiving to the signal of three frequency bands, reduces the usage quantity of multiplexer, reduces signal transmitting and receiving system
The cost of implementation of system, and reduce the occupied space of multiplexer, the pcb board carrying for carrying multiplexer can be made more
Other devices.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of signal receiving and transmitting system provided in an embodiment of the present invention；
Fig. 2 is a kind of knot that power amplifier provided in an embodiment of the present invention is connect by selecting switch with second filter
Structure schematic diagram；
Fig. 3 is a kind of structural schematic diagram provided in an embodiment of the present invention for communicating and setting.
Term " first ", " second ", " third " " the 4th " in specification and claims and above-mentioned attached drawing etc. (if
In the presence of) it is for distinguishing similar part, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that embodiments herein described herein can be in addition to illustrating herein
Sequence in addition is implemented.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of signal receiving and transmitting system provided in an embodiment of the present invention, can wrap
It includes：
Transceiver 11, power amplifier 12, four work devices 13 and antenna 14；Wherein,
Power amplifier 12 is connect with transceiver 11, and four work devices 13 are connect with transceiver 11 and power amplifier 12 respectively,
Antenna 14 is connect with four work devices 13.
Transceiver 11 is used for through the CF signal of the first frequency range or the CF signal of the second frequency range to sent the
One baseband signal is modulated；And the signal of third frequency range or the signal of the 4th frequency range of the output of four work devices 13 are carried out
Demodulation obtains the second baseband signal.
That is, transceiver 11 is mainly used for being modulated signal or demodulating.The carrier frequency of which specifically used frequency range
Signal, which is modulated or demodulates, to be determined according to the first control command that control module is sent.It is carried in first control instruction
The identification information of CF signal.It can determine which is used according to the identification information of the CF signal carried in the first control instruction
The CF signal of frequency range is modulated or demodulates.
Power amplifier 12 is used to carry out power amplification to the signal that transceiver 11 exports.
Power amplifier 12 is amplified different frequency range signal using different power amplifier parameters, specifically can basis
Second control instruction of the transmission of control module determines.Frequency range identification information is carried in second control instruction, can use with
The corresponding power amplifier parameter of frequency range identification information carried in second control instruction carries out power amplification to the signal received.
The signal progress of the first frequency range that four work devices 13 are used to export power amplifier 12 by the first filter module the
One be filtered after radiate by antenna 14, alternatively, exported to power amplifier 12 by the second filter module second
The signal of frequency range is radiate after carrying out the second filtering by antenna 14；And by third filter module to passing through antenna 14
The signal received carries out obtaining the signal of the third frequency range after third is filtered, or by the 4th filter module to logical
It crosses after the signal progress the 4th that the antenna receives is filtered and obtains the signal of the 4th frequency range.
Four work devices 13 pass through the first filter module, the second filter module, third filter module and the 4th filter module work pair
The signal of different frequency range is filtered.
Four work devices 13 will be radiate after the progress carrier wave polymerization of filtered signal by antenna 14.
Wherein, the first frequency range and three frequency ranges belong to first band, and the second frequency range and the 4th frequency range belong to second band, and second
Frequency range and third frequency range belong to third frequency band.
That is, first band and third frequency band signal having the same receive frequency range (i.e. third frequency range), the second frequency
Band and third frequency band signal having the same send frequency range (i.e. the second frequency range).
Antenna 14 is for receiving carrier aggregation signal.The signal that i.e. antenna 14 receives is carrier aggregation signal.
In the embodiment of the present invention, the reception frequency range of first band and the reception frequency range of third frequency band are multiplexed its of four work devices
In a filter module (i.e. third filter module), by the transmission frequency range multiplexing four of the transmission frequency range of second band and third frequency band
Another filter module (i.e. the second filter module) of work device, to only by a four work devices, realize to three frequency bands
Signal sends and receives, and reduces the usage quantity of multiplexer, reduces the cost of implementation of signal receiving and transmitting system, and reduces
The occupied space of multiplexer can make the pcb board for carrying multiplexer carry more other devices, or can reduce
The volume of pcb board.
Optionally, first band can be B1 frequency bands, and second band can be B3 frequency bands, and third frequency band can be B4 frequencies
Band.Wherein,
The reception frequency range of B1 frequency bands is：2110MHZ-2170MHZ；
The transmission frequency range of B3 frequency bands is：1710MHZ-1755MHZ；
The reception frequency range of B4 frequency bands is：2110MHZ-2155MHZ；
The transmission frequency range of B4 frequency bands is：1710MHZ-1755MHZ.
Optionally, power amplifier 12 is connect by first interface with the first filter module, passes through second interface and third
Interface is connect with the second filter module；Wherein,
First interface is used for transmission the signal of the first frequency range, and second interface is used for transmission the second frequency range of the second band
Signal, the third interface is used for transmission the signal of second frequency range of the third frequency band.
That is, the signal of the second frequency range of signal and third frequency band for the second frequency range of second band, work(
Rate amplifier 12 is transmitted to the second filter module of four work devices by different interfaces.
Optionally, second interface and third interface can be connect by selecting switch with the second filter module；Second filtering
Module be connected to second interface by selecting switch or with third orifice.
Above-mentioned selecting switch can be either-or switch, i.e., there are two optional access, a moment for the selection switch tool
Can only there are one access be electrically connected.If second interface is connected by two the first accesses that can be in routing path and the second filter module
It connects, then third interface is connect by two alternate paths that can be in routing path with the second filter module.
As shown in Fig. 2, passing through selecting switch 21 and second filter for power amplifier 12 provided in an embodiment of the present invention
A kind of structural schematic diagram of 131 connections.Wherein, second interface 121 is connect with the optional contact 211 of selecting switch 21, and third connects
Mouth 122 is connect with the optional contact 212 of selecting switch 21, when optional contact 211 is connected to fixed contact 213, optional contact
211 with fixed contact 213 constitute the first access, when optional contact 212 be connected to fixed contact 213, optional contact 212 and consolidate
Fixed contact 213 constitutes alternate path.
Optionally, transceiver 11 is connect by the 4th interface with power amplifier 12, and the 4th interface is used for transmission by
The signal that the CF signal of one frequency range is modulated is modulated alternatively, being used for transmission by the CF signal of the second frequency range
Signal.
In the embodiment of the present invention, transceiver 11 transmits the signal of the first frequency range by one interface to power amplifier 12
With the signal of the second frequency range.
Optionally, transceiver 11 is connect by the 5th interface and the 6th interface with power amplifier 12, wherein the 5th interface
It is used for transmission the signal modulated by the CF signal of the first frequency range, the 6th interface is used for transmission the load by the second frequency range
The signal that frequency signal modulation obtains.
In the embodiment of the present invention, transceiver 11 sends the first frequency range by two independent interfaces to power amplifier 12
The signal of signal and the second frequency range, correspondingly, power amplifier 12 can receive transceiver respectively by two independent interfaces
The signal of the signal and the second frequency range of 11 the first frequency ranges sent, can also be sent by interface transceiver 11 the
The signal of the signal of one frequency range and the second frequency range.
The embodiment of the present invention also provides a kind of communication equipment, provided in an embodiment of the present invention to communicate a kind of structural representation set
Figure is as shown in figure 3, may include：
Baseband processor 31 and signal receiving and transmitting system 32；Wherein,
First baseband signal is sent to signal receiving and transmitting system 32 by baseband processor 31 for the first baseband signal of generation,
And the second baseband signal that signal receiving and transmitting system 32 is sent is received, the second baseband signal is handled；
Signal receiving and transmitting system 32 includes：
Transceiver 321, power amplifier 322, four work devices 323 and antenna 324；Wherein,
Power amplifier 322 is connect with transceiver 321, four work devices 323 respectively with transceiver 321 and power amplifier 322
Connection, antenna 324 are connect with four work devices 323.
Transceiver 321 is used for through the CF signal of the first frequency range or the CF signal of the second frequency range to Base-Band Processing
The first baseband signal that device 31 is sent is modulated；And the signal or the 4th frequency of the third frequency range to the output of four work devices 323
The signal of section is demodulated to obtain the second baseband signal, and the second baseband signal is exported to baseband processor 31.
That is, transceiver 321 is mainly used for being modulated signal or demodulating.The carrier frequency of which specifically used frequency range
Signal, which is modulated or demodulates, to be determined according to the first control command that the control module of communication equipment is sent.First control refers to
The identification information of CF signal is carried in order.It can be true according to the identification information of the CF signal carried in the first control instruction
Surely it is modulated or demodulates using the CF signal of which frequency range.
Power amplifier 322 is used to carry out power amplification to the signal that transceiver 321 exports.
Power amplifier 322 is amplified different frequency range signal using different power amplifier parameters, specifically can root
The second control instruction sent according to the control module of communication equipment determines.Frequency range identification information is carried in second control instruction,
Can use power amplifier parameter corresponding with the frequency range identification information carried in the second control instruction to the signal that receives into
Row power amplification.
The signal progress for the first frequency range that four work devices 323 are used to export power amplifier 322 by the first filter module
First be filtered after radiate by antenna 324, alternatively, being exported to power amplifier 322 by the second filter module
The signal of second frequency range is radiate after carrying out the second filtering by antenna 324；And by third filter module to passing through day
The signal that line 324 receives carries out obtaining the signal of the third frequency range after third is filtered, or passes through the 4th filtering mould
Block obtains the signal of the 4th frequency range after being filtered to the signal progress the 4th received by the antenna.
Four work devices 323 pass through the first filter module, the second filter module, third filter module and the 4th filter module work pair
The signal of different frequency range is filtered.
Four work devices 323 will be radiate after the progress carrier wave polymerization of filtered signal by antenna 324.
Wherein, the first frequency range and three frequency ranges belong to first band, and the second frequency range and the 4th frequency range belong to second band, and second
Frequency range and third frequency range belong to third frequency band.
That is, first band and third frequency band signal having the same receive frequency range (i.e. third frequency range), the second frequency
Band and third frequency band signal having the same send frequency range (i.e. the second frequency range).
Antenna 324 is for receiving carrier aggregation signal.The signal that i.e. antenna 324 receives is carrier aggregation signal.
In the embodiment of the present invention, the reception frequency range of first band and the reception frequency range of third frequency band are multiplexed its of four work devices
In a filter module (i.e. third filter module), by the transmission frequency range multiplexing four of the transmission frequency range of second band and third frequency band
Another filter module (i.e. the second filter module) of work device, to only by a four work devices, realize to three frequency bands
Signal sends and receives, and reduces the usage quantity of multiplexer, reduces the cost of implementation of signal receiving and transmitting system, and reduces
The occupied space of multiplexer can make the pcb board for carrying multiplexer carry more other devices, or can reduce
The volume of pcb board.Therefore, the volume of communication equipment can be reduced through the embodiment of the present invention, alternatively, in the volume of communication equipment
In the case of constant so that more several, the members of communication equipment carrying so that communication equipment can integrate more multi-functional.
Optionally, first band can be B1 frequency bands, and second band can be B3 frequency bands, and third frequency band can be B4 frequencies
Band.Wherein,
The reception frequency range of B1 frequency bands is：2110MHZ-2170MHZ；
The transmission frequency range of B3 frequency bands is：1710MHZ-1755MHZ；
The reception frequency range of B4 frequency bands is：2110MHZ-2155MHZ；
The transmission frequency range of B4 frequency bands is：1710MHZ-1755MHZ.
Optionally, power amplifier 322 is connect by first interface with the first filter module, passes through second interface and third
Interface is connect with the second filter module；Wherein,
First interface is used for transmission the signal of the first frequency range, and second interface is used for transmission the second frequency range of the second band
Signal, the third interface is used for transmission the signal of second frequency range of the third frequency band.
That is, the signal of the second frequency range of signal and third frequency band for the second frequency range of second band, work(
Rate amplifier 322 is transmitted to the second filter module of four work devices by different interfaces.
Optionally, second interface and third interface can be connect by selecting switch with the second filter module；Second filtering
Module be connected to second interface by selecting switch or with third orifice.
Above-mentioned selecting switch can be either-or switch, i.e., there are two optional access, a moment for the selection switch tool
Can only there are one access be electrically connected.If second interface is connected by two the first accesses that can be in routing path and the second filter module
It connects, then third interface is connect by two alternate paths that can be in routing path with the second filter module.
Optionally, transceiver 321 is connect by the 4th interface with power amplifier 322, and the 4th interface, which is used for transmission, to be passed through
The signal that the CF signal of first frequency range is modulated is modulated to obtain alternatively, being used for transmission by the CF signal of the second frequency range
Signal.
In the embodiment of the present invention, transceiver 321 transmits the letter of the first frequency range by one interface to power amplifier 322
Number and the second frequency range signal.
Optionally, transceiver 321 is connect by the 5th interface and the 6th interface with power amplifier 322, wherein the 5th connects
Mouth is used for transmission the signal modulated by the CF signal of the first frequency range, and the 6th interface is used for transmission through the second frequency range
The signal that CF signal is modulated.
In the embodiment of the present invention, transceiver 321 sends the first frequency range by two independent interfaces to power amplifier 322
Signal and the second frequency range signal, correspondingly, power amplifier 322 can receive transmitting-receiving respectively by two independent interfaces
The signal of the signal and the second frequency range of the first frequency range that device 321 is sent can also be sent by an interface transceiver 321
The first frequency range signal and the second frequency range signal.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of signal receiving and transmitting system is applied to communication equipment, which is characterized in that including：
Transceiver, the power amplifier being connect with the transceiver are connect with the power amplifier and the transceiver respectively
Four work devices, the antenna being connect with the four works device；
The transceiver, for the CF signal by the CF signal of the first frequency range or the second frequency range, to sent the
One baseband signal is modulated；And to the four works device output third frequency range signal or the 4th frequency range signal into
Row demodulation obtains the second baseband signal；
The power amplifier is used to carry out power amplification to the signal that transceiver exports, and the power amplifier is to different frequency range
Signal is amplified using different power amplifier parameters；
The four works device, the signal progress of the first frequency range for export to the power amplifier by the first filter module the
One be filtered after by the aerial radiation, or by the second filter module to the power amplifier export second frequency
Section signal carry out second be filtered after by the aerial radiation；And by third filter module to passing through the day
The signal that line receives carries out obtaining the signal of the third frequency range after third is filtered, or passes through the 4th filter module pair
The signal progress the 4th received by the antenna obtains the signal of the 4th frequency range after being filtered；
Wherein, first frequency range and three frequency range belong to first band, and second frequency range and the 4th frequency range belong to
Second band, second frequency range and the third frequency range belong to third frequency band.
2. system according to claim 1, which is characterized in that the power amplifier passes through first interface and described first
Filter module connects；It is connect with second filter module by second interface and third interface；
The first interface is used for transmission the signal of first frequency range, and the second interface is used for transmission the second band
The signal of second frequency range, the third interface are used for transmission the signal of second frequency range of the third frequency band.
3. system according to claim 2, which is characterized in that the second interface and the third interface are opened by selection
Pass is connect with second filter module；Second filter module be connected to the second interface by the selecting switch or
Person and the third orifice.
4. system according to claim 1, which is characterized in that the transceiver passes through the 4th interface and the power amplification
Device connects, and the 4th interface is used for transmission the signal modulated by the CF signal of first frequency range, alternatively, being used for
Transmit the signal modulated by the CF signal of second frequency range.
5. system according to claim 1, which is characterized in that the transceiver passes through the 5th interface and the 6th interface and institute
State power amplifier connection, wherein the 5th interface is used for transmission to be modulated to obtain by the CF signal of first frequency range
Signal, the 6th interface is used for transmission the signal modulated by the CF signal of second frequency range.
6. a kind of communication equipment, including baseband processor and the signal receiving and transmitting system that is connect with module at the base band, feature
It is, the signal receiving and transmitting system includes：
Transceiver, the power amplifier being connect with the transceiver are connect with the power amplifier and the transceiver respectively
Four work devices, the antenna being connect with the four works device；
The power amplifier is used to carry out power amplification to the signal that transceiver exports, and the power amplifier is to different frequency range
Signal is amplified using different power amplifier parameters；
The transceiver, for the CF signal of CF signal or the second frequency range by the first frequency range, at the base band
First baseband signal of reason device output is modulated；And the signal or the 4th of the third frequency range to four works device output
The signal of frequency range is demodulated to obtain the second baseband signal；
The four works device, the signal progress of the first frequency range for export to the power amplifier by the first filter module the
One be filtered after by the aerial radiation, or by the second filter module to the power amplifier export second frequency
Section signal carry out second be filtered after by the aerial radiation；And by third filter module to passing through the day
The signal that line receives carries out obtaining the signal of the third frequency range after third is filtered, or passes through the 4th filter module pair
The signal progress the 4th received by the antenna obtains the signal of the 4th frequency range after being filtered；
Wherein, first frequency range and three frequency range belong to first band, and second frequency range and the 4th frequency range belong to
Second band, second frequency range and the third frequency range belong to third frequency band.
7. communication equipment according to claim 6, which is characterized in that the power amplifier by first interface with it is described
First filter module connects；It is connect with second filter module by second interface and third interface；
The first interface is used for transmission the signal of first frequency range, and the second interface is used for transmission the second band
The signal of second frequency range, the third interface are used for transmission the signal of second frequency range of the third frequency band.
8. communication equipment according to claim 7, which is characterized in that the second interface and the third interface pass through choosing
Switch is selected to connect with second filter module；Second filter module is connected by the selecting switch and the second interface
It is logical or with the third orifice.
9. communication equipment according to claim 6, which is characterized in that the transceiver passes through the 4th interface and the power
Amplifier connects, and the 4th interface is used for transmission the signal modulated by the CF signal of first frequency range, alternatively,
It is used for transmission the signal modulated by the CF signal of second frequency range.
10. communication equipment according to claim 6, which is characterized in that the transceiver is connect by the 5th interface and the 6th
Mouth is connect with the power amplifier, wherein the 5th interface is used for transmission the CF signal tune by first frequency range
The signal being made, the 6th interface are used for transmission the signal modulated by the CF signal of second frequency range.
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| CN201610082143.0A CN105656493B (en) | 2016-02-05 | 2016-02-05 | Signal receiving and transmitting system and communication equipment |
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| CN201610082143.0A CN105656493B (en) | 2016-02-05 | 2016-02-05 | Signal receiving and transmitting system and communication equipment |
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| CN106330212A (en) * | 2016-08-31 | 2017-01-11 | 联想(北京)有限公司 | Carrier aggregation receiving device and radio frequency front-end 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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| CN103780278A (en) * | 2012-10-23 | 2014-05-07 | 英特尔移动通信有限责任公司 | Switched duplexer front end |
| CN104798308A (en) * | 2012-11-12 | 2015-07-22 | 高通股份有限公司 | Antenna interface circuits with quadplexers |
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| US9621327B2 (en) * | 2013-09-17 | 2017-04-11 | Skyworks Solutions, Inc. | Systems and methods related to carrier aggregation front-end module applications |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103780278A (en) * | 2012-10-23 | 2014-05-07 | 英特尔移动通信有限责任公司 | Switched duplexer front end |
| CN104798308A (en) * | 2012-11-12 | 2015-07-22 | 高通股份有限公司 | Antenna interface circuits with quadplexers |
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