CN104065393B - Signal transmission or receive circuit and signal transmission or method of reseptance - Google Patents
Signal transmission or receive circuit and signal transmission or method of reseptance Download PDFInfo
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- CN104065393B CN104065393B CN201310096071.1A CN201310096071A CN104065393B CN 104065393 B CN104065393 B CN 104065393B CN 201310096071 A CN201310096071 A CN 201310096071A CN 104065393 B CN104065393 B CN 104065393B
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Abstract
The present invention relates to a kind of signal transmission or receive circuit and signal transmission or method of reseptance, this signal receiving circuit comprises: a RX path, in order to one first analog radio frequency input signal to be converted into a digital intermediate frequency input signal, wherein this first analog radio frequency input signal contains one first signal composition and the secondary signal composition meeting different radio transmission standard；One first and one second numeral fall transducer, processes the input of this digital intermediate frequency respectively, to obtain should the first signal composition and one first digital base band signal of this secondary signal composition and one second digital base band signal；And one first fundamental frequency signal processing module and one second fundamental frequency signal processing module, process this first digital base band signal and this second digital base band signal with this different wireless transmission standards respectively.
Description
Technical field
The present invention is related to signal transmission or receives circuit and signal transmission or method of reseptance, peculiar single about using
One signal passes the signal transmission of the signal receiving processing of circuit different radio transmission standard or receives circuit and signal biography
Send or method of reseptance.
Background technology
In known technology, it will usually pass receipts circuit (signal transceiving circuit) with independent signal and process
Signal under different radio transmission standard.For example, the signal meeting Wifi standard can be received with one group of number of delivering a letter
Circuit processes, and the signal meeting bluetooth (Bluetooth) standard can pass receipts circuit with another group signal and process.
But, pass receipts circuit with independent signal and receive the signal of these various criterions, not only occupy bigger circuit area,
Also more electric energy is lost.And, under the trend of electronic installation gradually slimming, two groups of different signals pass to be received
The distance of circuit reduces, and handled signal is the most interfering with each other.
Summary of the invention
One object of the present invention is for providing the letter that single group of processing of circuit can be used to meet different radio transmission standard
Number receive circuit, signal transfer circuit and signal pass and receive circuit.
An another purpose of the present invention can use single group of processing of circuit to meet different radio transmission standard for providing
Signal acceptance method, method of communicating signals and signal pass receiving method.
One embodiment of the invention discloses a kind of signal receiving circuit, comprises: a RX path, in order to by one the
One analog radio frequency input signal is converted into a digital intermediate frequency input signal and exports this digital intermediate frequency input signal, wherein
This first analog radio frequency input signal contains one first signal composition and a secondary signal composition, this first signal
Composition meets one first wireless transmission standards and this secondary signal composition meets one second wireless transmission standards；One first
Numeral fall transducer, receives this digital intermediate frequency input signal, obtains after treatment corresponding to this first signal composition
One first digital base band signal；One second numeral fall transducer, receives this digital intermediate frequency input signal, after treatment
Obtain should one second digital base band signal of secondary signal composition；One first fundamental frequency signal processing module, with this
First wireless transmission standards processes this first digital base band signal；And one second fundamental frequency signal processing module, with this
Second wireless transmission standards processes this second digital base band signal.
Another embodiment of the present invention discloses a kind of signal transfer circuit, comprises: one first fundamental frequency signal processes mould
Block, in order to export one first digital base band signal processed with one first wireless transmission standards；One second fundamental frequency signal
Processing module, in order to export one second digital base band signal processed with one second wireless transmission standards；One first number
Word rises transducer, receives this first digital base band signal, to produce one first digital medium-frequency signal；One second numeral
Rise transducer, receive this second digital base band signal, produce one second digital medium-frequency signal after treatment；And one
Transmit path, this first digital medium-frequency signal is converted into one first analog radio frequency output signal, maybe by this second number
Word intermediate-freuqncy signal is converted into one second analog radio frequency output signal, and exports this first analog radio frequency output signal or be somebody's turn to do
Second analog radio frequency output signal.
Further embodiment of this invention discloses a kind of signal receiving circuit, comprises: a RX path, in order to by one the
One analog radio frequency input signal is converted into a digital intermediate frequency input signal and exports this digital intermediate frequency input signal, wherein
This first analog radio frequency input signal contains multiple signal composition, and this signal composition meets at least one and is wirelessly transferred mark
Accurate；One numeral fall modular converter, comprises M numeral fall transducer, in order to receive this digital intermediate frequency input signal,
Obtaining M the digital base band signal corresponding to those signal compositions after treatment, wherein this M is for being more than or equal to
The positive integer of 2；N number of fundamental frequency signal processing module, processes this digital baseband with this corresponding wireless transmission standards
Signal, wherein this N is the positive integer more than or equal to 2.Numeral fall transducer and this fundamental frequency signal processing module
Connect with following connected mode at least one: transducer drops in this numeral, and one of them connects at least one this fundamental frequency signal
Processing module；And this fundamental frequency signal processing module one of them connect at least one this numeral fall transducer.
Further embodiment of this invention discloses a kind of signal transfer circuit, comprises: N number of fundamental frequency signal processing module,
In order to export N number of digital base band signal according at least one wireless transmission standards, wherein this N is more than or equal to 2
Positive integer；One numeral rises modular converter, comprises M numeral and rises transducer, in order to receive this digital baseband letter
Number, produce M digital medium-frequency signal after treatment, wherein this M is the positive integer more than or equal to 2；One passes
Send path, this digital medium-frequency signal is converted into respectively analog radio frequency output signal, and exports the output of this analog radio frequency
Signal.Wherein this numeral liter transducer is connected with following connected mode at least one with this fundamental frequency signal processing module:
This numeral rises transducer, and one of them connects at least one this fundamental frequency signal processing module；And this fundamental frequency signal processes
Module one of them connect at least one this numeral rise transducer.
In conjunction with aforesaid signal transfer circuit and signal receiving circuit, a signal can be obtained and pass receipts circuit, this signal
Pass the first fundamental frequency signal processing module received in circuit and the second fundamental frequency signal processing module can receive from RX path
Signal or send a signal to transmit path.Other elements can be pushed away by aforementioned circuit, therefore repeats no more in this.
Pass according to aforesaid signal transfer circuit, signal receiving circuit and signal and receive circuit, available signal sender
Method, signal acceptance method and signal pass receiving method.Owing to the step of these methods can be pushed away by aforementioned circuit, therefore in
This repeats no more.
According to aforesaid embodiment, same circuit can be used to transmit the signal meeting different radio transmission standard, because of
This can be avoided the problem in known technology.
Accompanying drawing explanation
Figure 1A depicts signal receiving circuit according to an embodiment of the invention.
Figure 1B depicts the extension example of the embodiment shown in Figure 1A.
Fig. 2 A, Fig. 2 B and Fig. 2 C depict the action schematic diagram of the signal receiving circuit shown in Figure 1A.
Fig. 3 depicts signal receiving circuit according to another embodiment of the present invention.
Fig. 4 depicts a wherein example of the detailed circuit of the signal receiving circuit shown in Figure 1A.
Fig. 5 A depicts signal transfer circuit according to an embodiment of the invention.
Fig. 5 B depicts the extension example of the embodiment shown in Fig. 5 A.
Fig. 6 depicts a wherein example of the detailed circuit of the signal transfer circuit shown in Fig. 5 A.
Fig. 7 A depicts signal according to an embodiment of the invention and passes receipts circuit.
Fig. 7 B depicts the extension example of the embodiment shown in Fig. 7 A.
Fig. 8 depicts signal acceptance method according to an embodiment of the invention.
Fig. 9 depicts method of communicating signals according to an embodiment of the invention.
Figure 10 depicts signal according to an embodiment of the invention and passes receiving method.
Symbol description
100,120,300 signal receiving circuit
101,701 RX path
102,302,502 antenna
103,703 first numeral fall transducer
105,705 second numeral fall transducer
107,507,707 first fundamental frequency signal processing module
109,509,709 second fundamental frequency signal processing module
121 numeral fall modular converters
304 multiplexers
306 control units
401,601 amplifier
403,409,413,603,613,617 blender
405,411,415 down-sampled wave filter
407 analog-digital converters
500,520 signal transfer circuit
501 transmit path
503,711 first numerals rise transducer
505,713 second numerals rise transducer
521 numerals rise modular converter
605,611,615 liters of sampling filters
607 digital analog converters
700 signals pass receives circuit
715 transmit path
717 carrier generators
719 duplexers
721 sampling modular converters
B1-BN fundamental frequency signal processing module
D1-DM、D1-DM1Numeral fall transducer
U1-UM、U1-UM2Numeral rises transducer
Detailed description of the invention
Figure 1A depicts signal receiving circuit 100 according to an embodiment of the invention.As shown in Figure 1A, signal
Reception circuit 100 contains RX path 101,1 first numeral fall transducer 103, a 1 second numeral fall turn
Parallel operation 105,1 first fundamental frequency signal processing module 107 and one second fundamental frequency signal processing module 109.Receive
Path 101 is in order to by one first analog radio frequency input signal ARFI1It is converted into digital intermediate frequency input signal DIFI.
Wherein the first analog radio frequency input signal ARFI1Contain one first signal composition and a secondary signal composition.The
One signal composition meets one first wireless transmission standards (such as Wifi) and secondary signal composition meets one second nothing
Line transmission standard (such as bluetooth).First numeral fall transducer 103 receives digital intermediate frequency input signal DIFI right
Digital intermediate frequency input signal DIFI performs filtering and down-sampled action, is used as one obtaining the first signal composition
First digital base band signal DBFS1.Second numeral fall transducer 105 receives digital intermediate frequency input signal DIFI also
To numeral IF input signals DIFI perform filtering and down-sampled action, with obtain secondary signal composition using as
One second digital base band signal DBFS2.First fundamental frequency signal processing module 107 with the first wireless transmission standards at
Manage the first digital base band signal DBFS1, and the second fundamental frequency signal processing module 109 is with the second wireless transmission standards
Process the second digital base band signal DBFS2。
Refer to Figure 1B, it depicts the extension example of the embodiment shown in Figure 1A.As shown in Figure 1B, signal connects
Receive circuit 120 and also contain RX path 101, contain numeral fall modular converter 121 and a N number of base in addition
Audio signalprocessing module B1-BN.Numeral fall modular converter 121 contains M numeral fall transducer D1-DM。M
With N can be identical and more than 2 positive integers, also can be different and more than 2 positive integers.In this example
One analog radio frequency input signal ARFI1Comprise multiple signal composition, and these signal compositions meet at least one wireless biography
Defeated standard.First analog radio frequency input signal ARFI1It is converted to digital intermediate frequency input signal DIFI input numeral
Fall transducer D1-DMIt is filtered by it and after down-sampled action.Fundamental frequency signal processing module can be sent to
B1-BNAt least a part of which one.Numeral fall transducer D1-DMWith fundamental frequency signal processing module B1-BNIt can be a pair
The relation of one, that is each numeral fall transducer D1-DMAt most it is only coupled to fundamental frequency signal processing module B1-BN
One of them, and different numeral fall transducer is couple to different fundamental frequency signal processing modules B1-BN.Numeral fall
Transducer D1-DMWith fundamental frequency signal processing module B1-BNCan also be the relation of multi-to-multi, that is each numeral fall
Transducer D1-DMFundamental frequency signal processing module B can be couple to1-BNIn multiple.Or each fundamental frequency signal processes
Module B1-BNNumeral fall transducer D can be couple to1-DMIn multiple.And fundamental frequency signal processing module B1-BNCan
To use N number of different wireless transmission standards respectively, can also two fundamental frequency signal processing modules use identical
Fundamental frequency signal processing module.By such framework, arbitrarily can adjust according to design requirement numeral fall transducer and
Fundamental frequency signal processes the connected mode of mould, and can arbitrarily set fundamental frequency signal processing module and to use those to be wirelessly transferred
Standard, further increases the application of the signal receiving circuit according to the present invention.So please note that, though Figure 1B is with Figure 1A
Based on explain, but Figure 1B embodiment also can be used in the embodiment of Fig. 3, Fig. 4 and Fig. 7 A all in.
And the embodiment of Figure 1B also can use the structure of Fig. 3 and Fig. 4.
Fig. 2 A, Fig. 2 B and Fig. 2 C depict the action schematic diagram of the signal receiving circuit 100 shown in Figure 1A.
As it was previously stated, the first analog radio frequency input signal ARFI1There is the first signal composition and secondary signal composition.Cause
This treated first analog radio frequency input signal ARFI1And digital intermediate frequency input signal DIFI obtained can be such as Fig. 2 A
There is as Suo Shi first signal composition S1With secondary signal composition S2.And digital intermediate frequency input signal DIFI is being passed through
After down-sampled and the Filtering Processing of transducer 105 drop in the first numeral fall transducer 103 and the second numeral, can divide
Do not obtain the first digital base band signal DBFS shown in Fig. 2 B and Fig. 2 C1With the second digital base band signal DBFS2。
It is to say, signal receiving circuit according to embodiments of the present invention is when receiving signal, can receive in the lump and meet difference
The signal composition of wireless transmission standards is (such as the first signal composition S of different frequency range in Fig. 2 A1With secondary signal composition
S2).Then different numeral fall transducers can be made to perform different filter action, and the most same digital intermediate frequency is defeated
Enter signal DIFI after processing through different numeral fall transducers, can produce respectively and meet single wireless transmission mark
, without there is the signal composition under other wireless transmission standards in accurate signal composition.
Fig. 3 depicts signal receiving circuit 300 according to another embodiment of the present invention.In the embodiment of Figure 1A,
Signal receiving circuit 100 only comprises a single antenna 102 and receives the first analog radio frequency input signal ARFI1, so
And signal receiving circuit 300 further comprises another antenna 302 and receives the second analog radio frequency input signal ARFI2,
Wherein the second analog radio frequency input signal ARFI2Also contain multiple signal meeting different radio transmission standard to become
Part.Therefore, signal receiving circuit 300 can further include a multiplexer 304, optionally exports the first simulation and penetrates
Frequently input signal ARFI1Or second analog radio frequency input signal ARFI2To RX path 101.This multiplexer 304
Can be controlled by a control unit 306 but not limit.Second analog radio frequency input signal ARFI2Receive in input
Behind path 101, subsequent action and the first analog radio frequency input signal ARFI1Input RX path 101 after identical,
Therefore do not repeat them here.By such structure, can comprise in analog radio frequency input signal and meet different radio transmission
Standard but time there is frequency range close signal composition, analog radio frequency input signal is separately received, to guarantee that signal is not
Can interfere with each other.In one embodiment, the second analog radio frequency input signal ARFI2The signal composition comprised meets
Wireless transmission standards at least one of which is with the first analog radio frequency input signal ARFI1The signal composition comprised is not
With.
Fig. 4 depicts a wherein example of the detailed circuit of the signal receiving circuit shown in Figure 1A.So please note that, figure
Circuit shown in 4, only in order to illustrate, is not offered as limiting the present invention.As shown in Figure 4, RX path 101
Contain amplifier 401, mixer 403, down-sampled wave filter 405 and an analog-digital converter
407.Amplifier 401 is in order to amplify the first analog radio frequency input signal ARFI1It is made to be easier to be judged with processing.
Mixer 403 is in order to receive carrier signal Lo1, and by analog radio frequency input signal ARFI1Mixed carrier signal
Lo1To produce hybrid radio frequency input signal MRFI.Down-sampled wave filter 405 is in order to hybrid radio frequency input letter
Number MRFI performs filtering and down-sampled action produces analog intermediate frequency input signal RIFI.Simulation numeral turns
Parallel operation 407 is in order to be converted into digital intermediate frequency input signal DIFI by analog intermediate frequency input signal RIFI.
First numeral fall transducer 103 and the second numeral fall transducer 105 comprise smear in this embodiment respectively
Device 409,413 and down-sampled wave filter 411,415.Mixer 409,413 receives carrier signal Lo respectively2
And Lo3Digital intermediate frequency input signal DIFI is downloaded in different frequencies.Down-sampled wave filter 411,415
Respectively numeral IF input signals DIFI is carried out down-sampled action and different filter action, produce respectively
First digital base band signal DBFS1And the second digital base band signal DBFS2.So please note that, carrier wave Lo2With
And Lo3It is to allow digital intermediate frequency input signal DIFI by down-sampled wave filter 411,415 under suitable frequency range
Process, if therefore digital intermediate frequency input signal DIFI when being received under suitable frequency range, then may not be used
Need mixer 409 and 413.And, the first numeral fall transducer 103 and the second numeral fall transducer 105
Also can be implemented by other circuit.
Fig. 5 A depicts signal transfer circuit 500 according to an embodiment of the invention.As shown in Figure 5A, signal
Transmit circuit 500 and contain transmission path 501,1 first numeral liter 503,1 second liter of transducer of transducer
505, one first fundamental frequency signal processing module 507 and one second fundamental frequency signal processing module 509.First fundamental frequency
Signal processing module 507 processes one first numeral of (such as Wifi) in order to export with one first wireless transmission standards
Fundamental frequency signal DBFS1, and the second fundamental frequency signal processing module 509 is in order to export with one second wireless transmission standards
The one second digital base band signal DBFS that (such as bluetooth) processes2.First numeral rises transducer 503 and receives the first numeral
Fundamental frequency signal DBFS1And to the first digital base band signal DBFS1Perform filtering and rise sampling action (in such as
Insert action) to obtain one first digital medium-frequency signal DIFS1.Second numeral rises transducer 505 and receives the second numeral
Fundamental frequency signal DBFS2And to this second digital base band signal DBFS2Perform filtering and rise sampling action, with
To one second digital medium-frequency signal DIFS2.Transmit path 501 then by the first digital medium-frequency signal DIFS1It is converted into
One first analog radio frequency output signal ARFO1Or by the second digital medium-frequency signal DIFS2It is converted into one second simulation
Radio frequency output signal ARFO1, and export the first analog radio frequency output signal ARFO1Or second analog radio frequency output
Signal ARFO2(for output to antenna 502 in this example).
Fig. 5 B depicts the extension example of the embodiment shown in Fig. 5 A.As shown in Figure 5 B, signal receiving circuit 520
Also contain RX path 501, contain a numeral in addition and rise modular converter 521 and the process of N number of fundamental frequency signal
Module B1-BN.Numeral rises modular converter 521 and contains M numeral liter transducer U1-UM.M with N can be
Identical and more than 2 positive integers, also can be different and more than 2 positive integers.Numeral rises transducer U1-UM
Receive from fundamental frequency signal processing module B1-BNDigital base band signal DBFS1-DBFSNAfter, be filtered with
And liter sampling action, to obtain digital medium-frequency signal DIFS1-DIFSM.Numeral rises transducer U1-UMAnd fundamental frequency
Signal processing module B1-BNCan be man-to-man relation, that is each numeral rises transducer U1-UMThe most only coupling
Receive fundamental frequency signal processing module B1-BNOne of them, and different numeral rises transducer and is couple to different fundamental frequencies
Signal processing module B1-BN.Numeral rises transducer U1-UMWith fundamental frequency signal processing module B1-BNCan also be many
To many relations, that is each numeral rises transducer U1-UMFundamental frequency signal processing module B can be couple to1-BNIn
Multiple.Or each fundamental frequency signal processing module B1-BNNumeral can be couple to and rise transducer U1-UMIn multiple.
And fundamental frequency signal processing module B1-BNN number of different wireless transmission standards can be used respectively, can also two bases
Audio signalprocessing module uses identical fundamental frequency signal processing module.By such framework, can be according to design requirement
Arbitrarily adjust numeral and rise transducer and the connected mode of fundamental frequency signal process mould, and can arbitrarily set at fundamental frequency signal
Reason module to use those wireless transmission standards, further increases the application of the signal receiving circuit according to the present invention.
So please note that, though Fig. 5 B explains based on Fig. 5 A, but Fig. 5 B embodiment also can be used in Fig. 6 and
During the embodiment of Fig. 7 A is equal.And the embodiment of Fig. 5 B also can use the structure of Fig. 6.
Fig. 6 depicts a wherein example of the detailed circuit of the signal transfer circuit 500 shown in Fig. 5 A.So please stay
Meaning, the circuit shown in Fig. 6, only in order to illustrate, is not offered as limiting the present invention.First numeral rises transducer
503 and second numeral rise transducer 505 comprise respectively mixer 613,617 and rise sampling filter 611,
615.Rise sampling filter 611,615 respectively to the first digital base band signal DBFS1And second digital baseband
Signal DBFS2Carry out liter sampling action and different filter action.Mixer 613,617 receives carrier wave respectively
Signal Lo2And Lo3It is downloaded to the output of liter sampling filter 611,615 in different frequencies form
One digital medium-frequency signal DIFS1And the second digital medium-frequency signal DIFS2.So please note that, carrier wave Lo2And
Lo3It is for the first digital medium-frequency signal DIFS1And the second digital medium-frequency signal DIFS2Under suitable frequency range
Transmitted path 501 to process, if therefore the first digital base band signal DBFS1And second digital base band signal
DBFS2When being received by transmission path 501 under suitable frequency range, then can need not mixer 613
With 617.And, the first numeral rises transducer 503 and the second numeral liter transducer 505 also can be by other electricity
Road is implemented.
Transmit path 501 contain 603, one liter of sampling filter 605 of amplifier 601, mixer and
One digital analog converter 607.Digital analog converter 607 is by the first digital medium-frequency signal DIFS1It is converted into one
First analog if signal AIFS1, or in order to by the second digital base band signal DIFS2It is converted in one second simulation
Frequently signal AIFS2.Rise sampling filter 605 in order to the first analog if signal AIFS1Or second analog intermediate frequency
Signal AIFS2Perform filtering and liter sampling action produces one first analog radio-frequency signal ARFS respectively1Or one
Second analog radio-frequency signal ARFS2.Mixer 603 is in order to receive carrier signal Lo1, and the first simulation is penetrated
Frequently signal ARFS1Mixed carrier signal Lo1To produce this first analog radio frequency output signal ARFO1, or this
Two analog radio-frequency signal ARFS2Mix this carrier signal Lo1To produce the second analog radio frequency output signal ARFO2。
First analog radio frequency output signal ARFO1And second analog radio frequency output signal ARFO2Mixing with Fig. 4 is penetrated
Frequently input signal MRFI1Equally, it is all the mixed signal after signal is carried upper carrier wave.Amplifier 601 is in order to incite somebody to action
First analog radio frequency output signal ARFO1Or second analog radio frequency output signal ARFO2Amplify, so that another connects
Receiving end receives clearer signal.
Fig. 7 A depicts signal according to an embodiment of the invention and passes receipts circuit 700, and it combines the letter of Figure 1A
Number receive circuit 100 and Fig. 5 A signal transfer circuit 500.As shown in Figure 7 A, signal passes and receives circuit 700
Contain RX path 701,1 first numeral fall transducer 703, a 1 second numeral fall transducer 705,
First fundamental frequency signal processing module 707,1 second fundamental frequency signal processing module 709,1 first numeral rises transducer
711, one second numeral rises transducer 713 and and transmits path 715.Element shown in Fig. 7 A all can use
Structure shown in Fig. 4 and Fig. 6.Wherein RX path the 701, first numeral fall transducer the 703, second numeral
Fall transducer the 705, first fundamental frequency signal processing module 707 and the action of the second fundamental frequency signal processing module 709
Identical with the signal receiving circuit 100 shown in Figure 1A, and first fundamental frequency signal processing module the 707, second fundamental frequency
Signal processing module the 709, first numeral rises transducer the 711, second numeral and rises transducer 713 and transmit path
715 is identical with the signal transfer circuit 500 shown in Fig. 5 A, therefore does not repeats them here.Please note that, Fig. 7 A's
Embodiment also can comprise the multiplexer 304 of Fig. 3.
Additionally, when RX path 701 and transmission path 715 employ the structure of Fig. 4 and Fig. 6, signal passes to be received
Circuit 700 also can comprise a carrier generator 717, in order to produce carrier signal to RX path 701 and transmission path
Blender in footpath 715.In one embodiment, carrier generator 717 can produce identical carrier wave to RX path
701 and the blender that transmits in path 715.It is to say, RX path 701 received signal and transmission path
The signal that footpath 715 is transmitted can be loaded under identical frequency.Additionally, signal passes receipts circuit 700 in an embodiment
Also can comprise a duplexer 719, the effect of duplexer 719 is to allow signal be sent to desired path.Citing
For, when signal biography receipts circuit 700 receives signal, only can be sent to connect through antenna 702 received signal
Receive path 701 without being sent to transmit path 715.Contrary, when signal biography receipts circuit 700 transmits signal,
The signal that transmission path 715 is exported only can be sent to antenna 702 without being sent to RX path 701.
So please note that, although previous embodiment all rises transducer and two with two numeral fall transducers, two numerals
Individual fundamental frequency signal processing module illustrates, it is not intended that signal transfer circuit provided by the present invention, signal receive
Circuit and signal pass receipts circuit and are only capable of using two numeral fall transducers or two numerals to rise transducer, and it also can make
Transducer and fundamental frequency signal processing module is risen by plural numeral fall transducer, numeral.And, aforementioned reality
Execute example can the outfan of each element suitable add upper filter, also can corresponding received signal contained wireless
The difference of transmission standard, adjusts the gain of each element.
Fig. 7 B depicts the extension example of the embodiment shown in Fig. 7 A.Signal in Fig. 7 B passes also receives circuit 720
Contain the RX path 701 in Fig. 7 A, transmit path 715 and carrier generator 717, but do not limit one
Surely there are these elements.Additionally, signal passes and receives circuit 720 and also comprise a sampling modular converter 721 and N number of
Fundamental frequency signal processing module.M is contained in sampling modular converter 7211Individual numeral fall transducer D1-DMAnd
M2Individual numeral rises transducer U1-UM2。M1And M2Can be identical positive integer, also can be different positive integers.
M1Individual numeral fall transducer D1-DMAnd link and the function mode between N number of fundamental frequency signal processing module retouch
It is set forth in the embodiment of Figure 1B, and M2Individual numeral rises transducer U1-UM2And N number of fundamental frequency signal processing module
Between link and function mode have been described in the embodiment of Fig. 5 B, therefore repeat no more in this.Additionally, Fig. 7 B
Embodiment also can use the structure shown in Fig. 6.
According to aforesaid embodiment, an available signal acceptance method, in an embodiment, it is used in Figure 1A institute
In the embodiment shown, but do not limit.This signal acceptance method contains the step shown in Fig. 8:
Step 801
With a RX path by one first analog radio frequency input signal ARFI1It is converted into a digital intermediate frequency input signal
DIFI.Wherein the first analog radio frequency input signal bag ARFI1Contain one first signal composition and a secondary signal has become
Part, this first signal composition meets one first wireless transmission standards (such as Wifi) and this secondary signal composition meets one
Second wireless transmission standards (such as bluetooth), but do not limit these signal compositions and can only meet Wifi and bluetooth.
Step 803
Numeral IF input signals DIFI is performed filtering and down-sampled action, to obtain this first signal composition
Using as one first digital base band signal DBFS1。
Step 805
Numeral IF input signals DIFI is performed filtering and down-sampled action, to obtain this secondary signal composition
Using as one second digital base band signal DBFS2。
Step 807
The first digital base band signal DBFS is processed with the first wireless transmission standards1。
Step 807
The second digital base band signal DBFS is processed with the second wireless transmission standards2。
According to aforesaid embodiment, an available method of communicating signals, in an embodiment, it is used in Fig. 5 A institute
In the embodiment shown, but do not limit.This method of communicating signals contains the step shown in Fig. 9:
Step 901
Export the one first digital base band signal DBFS processed with one first wireless transmission standards1。
Step 903
Export the one second digital base band signal DBFS processed with one second wireless transmission standards2。
Step 905
Respectively to the first digital base band signal DBFS1With the second digital base band signal DBFS2Perform filtering and rise
Sampling action, to produce one first digital medium-frequency signal DIFS1With one second digital medium-frequency signal DIFS2。
Step 907
By this first digital medium-frequency signal DIFS1It is converted into one first analog radio frequency output signal ARFO1, or will
Second digital medium-frequency signal DIFS2It is converted into one second analog radio frequency output signal ARFO2, and export the first mould
Intend radio frequency output signal ARFO1Or second analog radio frequency output signal ARFO2。
According to aforesaid embodiment, an available signal passes receiving method, and in an embodiment, it is used in Fig. 7 A institute
In the embodiment shown, but do not limit.This signal passes receiving method and contains the step shown in Figure 10:
Step 1001
Use a RX path 701 by one first analog radio frequency input signal ARFI1It is converted into a digital intermediate frequency defeated
Enter signal DIFI and export digital intermediate frequency input signal DIFI, wherein the first analog radio frequency input signal ARFI1Bag
Contain one first signal composition and this first signal composition of a secondary signal composition has met one first and has been wirelessly transferred mark
Accurate and this secondary signal composition meets one second wireless transmission standards.
Step 1003
This digital intermediate frequency input signal DIFI is performed filtering and down-sampled action, to obtain the first signal composition
It is used as one first digital base band signal DBFS1。
Step 1005
This digital intermediate frequency input signal DIFI is performed filtering and down-sampled action, to obtain secondary signal composition
It is used as one second digital base band signal DBFS2。
Step 1007
One first fundamental frequency signal processing module 707 is used to process the first digital baseband letter with the first wireless transmission standards
Number DBFS1, or make the first fundamental frequency signal processing module 707 output meet the one the 3rd of the first wireless transmission standards
Digital base band signal DBFS3。
Step 1009
One second fundamental frequency signal processing module 709 is used to process the second digital baseband letter with the first wireless transmission standards
Number DBFS2, or make the second fundamental frequency signal processing module 709 output meet the one the 4th of the second wireless transmission standards
Digital base band signal DBFS4。
Step 1011
Respectively to the 3rd digital base band signal DBFS3With the 4th digital base band signal DBFS4Perform filtering and rise
Sampling action, to produce one the 3rd digital medium-frequency signal DIFS3With one the 4th digital medium-frequency signal DIFS4。
Step 1013
By the 3rd digital medium-frequency signal DIFS3It is converted into one the 3rd analog radio frequency output signal ARFO3, or by
Four digital medium-frequency signal DIFS4It is converted into one second analog radio frequency output signal ARFO4, and export the first simulation
Radio frequency output signal ARFO3Or second analog radio frequency output signal ARFO4。
The detailed step of the method shown in Fig. 8, Fig. 9 and Figure 10 can be pushed away by previous embodiment, therefore in this not
Repeat again.
According to aforesaid embodiment, same circuit can be used to transmit the signal meeting different radio transmission standard, because of
This can be avoided the problem in known technology.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent
With modification, the covering scope of the present invention all should be belonged to.
Claims (17)
1. a signal receiving circuit, comprises:
One RX path, in order to be converted into a digital intermediate frequency input signal defeated by one first analog radio frequency input signal
Go out this digital intermediate frequency input signal, wherein this first analog radio frequency input signal contain one first signal composition and
One secondary signal composition, this first signal composition meets one first wireless transmission standards and this secondary signal composition meets
One second wireless transmission standards；
One first numeral fall transducer, receive this digital intermediate frequency input signal, obtain after treatment corresponding to this first
One first digital base band signal of signal composition；
One second numeral fall transducer, receive this digital intermediate frequency input signal, obtain after treatment corresponding to this second
One second digital base band signal of signal composition；
One first fundamental frequency signal processing module, processes this first digital base band signal with this first wireless transmission standards；
One second fundamental frequency signal processing module, processes this second digital base band signal with this second wireless transmission standards；
And
One multiplexer, selective this first analog radio frequency input signal of output or one second analog radio frequency input signal
To this RX path, wherein this second analog radio frequency input signal contains one the 3rd signal composition and one the 4th letter
Number composition, wherein the 3rd signal composition and the 4th signal composition at least a part of which one and this first signal composition
Different wireless transmission standards is met with this secondary signal composition.
2. signal receiving circuit as claimed in claim 1, it is characterised in that this RX path comprises:
One mixer, in order to receive a carrier signal, and mixes this carrier wave letter by this first analog radio frequency input signal
Number to produce a hybrid radio frequency input signal；
One down-sampled wave filter, in order to produce the execution filtering of this hybrid radio frequency input signal and down-sampled action
One analog intermediate frequency input signal；And
One analog-digital converter, in order to be converted into this digital intermediate frequency input signal by this analog intermediate frequency input signal.
3. signal passes and receives a circuit, comprises:
One RX path, in order to be converted into a digital intermediate frequency input signal defeated by one first analog radio frequency input signal
Go out this digital intermediate frequency input signal, wherein this first analog radio frequency input signal contain one first signal composition and
One secondary signal composition, this first signal composition meets one first wireless transmission standards and this secondary signal composition meets
One second wireless transmission standards；
One first numeral fall transducer, receive this digital intermediate frequency input signal, obtain after treatment corresponding to this first
One first digital base band signal of signal composition；
One second numeral fall transducer, receive this digital intermediate frequency input signal, obtain after treatment corresponding to this second
One second digital base band signal of signal composition；
One first fundamental frequency signal processing module, processes this first digital base band signal with this first wireless transmission standards,
Or output meets one the 3rd digital base band signal of this first wireless transmission standards；
One second fundamental frequency signal processing module, processes this second digital base band signal with this second wireless transmission standards,
Or output meets one the 4th digital base band signal of this second wireless transmission standards；
One first numeral rises transducer, receives the 3rd digital base band signal and performs the 3rd digital base band signal
Filtering and liter sampling action, to obtain one the 3rd digital medium-frequency signal；
One second numeral rises transducer, receives the 4th digital base band signal and performs the 4th digital base band signal
Filtering and liter sampling action, to obtain one the 4th digital medium-frequency signal；
One transmits path, the 3rd digital medium-frequency signal is converted into one the 3rd analog radio frequency output signal, maybe should
4th digital medium-frequency signal is converted into one the 4th analog radio frequency output signal, and exports the 3rd analog radio frequency output letter
Number or the 4th analog radio frequency output signal；And
One multiplexer, selective this first analog radio frequency input signal of output or one second analog radio frequency input signal
To this RX path, wherein this second analog radio frequency input signal contains one the 3rd signal composition and one the 4th letter
Number composition, wherein the 3rd signal composition and the 4th signal composition at least a part of which one and this first signal composition
Different wireless transmission standards is met with this secondary signal composition.
4. signal as claimed in claim 3 passes and receives circuit, it is characterised in that also comprise a carrier generator,
In order to produce a carrier signal:
This RX path comprises:
One first mixer, in order to receive this carrier signal, produces a hybrid radio frequency input signal after treatment；
One down-sampled wave filter, produces an analog intermediate frequency input signal in order to process this hybrid radio frequency input signal；
And
One analog-digital converter, in order to be converted into this analog intermediate frequency input signal by this analog intermediate frequency input signal；
This transmission path comprises:
One digital analog converter, in order to the 3rd digital medium-frequency signal is converted into one the 3rd analog if signal,
Or in order to the 4th digital medium-frequency signal is converted into one the 4th analog if signal；
One liter of sampling filter, distinguishes in order to process the 3rd analog if signal or the 4th analog if signal
Produce one the 3rd analog radio-frequency signal or one the 4th analog radio-frequency signal；And
One second mixer, in order to receive this carrier signal, and mixes this carrier wave letter by the 3rd analog radio-frequency signal
Number to produce the 3rd analog radio frequency output signal, or the 4th analog radio-frequency signal mixes this carrier signal to produce
4th analog radio frequency output signal.
5. a signal acceptance method, comprises:
With a RX path one first analog radio frequency input signal it is converted into a digital intermediate frequency input signal and exports
This digital intermediate frequency input signal, wherein this first analog radio frequency input signal contains one first signal composition and
Secondary signal composition, this first signal composition meets one first wireless transmission standards and this secondary signal composition meets one
Second wireless transmission standards；
This digital intermediate frequency input news are processed, to obtain the one first numeral base corresponding to this first signal composition
Frequently signal；
This digital intermediate frequency input signal is processed, to obtain one second numeral corresponding to this secondary signal composition
Fundamental frequency signal；
This first digital base band signal is processed with this first wireless transmission standards；
This second digital base band signal is processed with this second wireless transmission standards；And
Selective this first analog radio frequency input signal or the one second analog radio frequency input signal of exporting is to this reception
Path, wherein this second analog radio frequency input signal contains one the 3rd signal composition and one the 4th signal composition,
Wherein the 3rd signal composition and the 4th signal composition at least a part of which one and this first signal composition and this
Binary signal composition meets different wireless transmission standards.
6. signal acceptance method as claimed in claim 5, it is characterised in that by one first analog radio frequency input
Signal is converted into the step of a digital intermediate frequency input signal and comprises:
This analog radio frequency input signal is mixed a carrier signal to produce a hybrid radio frequency input signal；
It is processed to produce an analog intermediate frequency input signal to this hybrid radio frequency input signal；And
This analog intermediate frequency input signal is converted into this digital intermediate frequency input signal.
7. signal passes a receiving method, comprises:
Use a RX path that one first analog radio frequency input signal is converted into a digital intermediate frequency input signal defeated
Go out this digital intermediate frequency input signal, wherein this first analog radio frequency input signal contain one first signal composition and
One secondary signal composition, this first signal composition meets one first wireless transmission standards and this secondary signal composition meets
One second wireless transmission standards；
This digital intermediate frequency input signal is processed, to obtain one first numeral corresponding to this first signal composition
Fundamental frequency signal；
This digital intermediate frequency input signal is processed, to obtain one second numeral corresponding to this secondary signal composition
Fundamental frequency signal；
One first fundamental frequency signal processing module is used to process this first digital baseband letter with this first wireless transmission standards
Number, or make the output of this first fundamental frequency signal processing module meet one the 3rd digital baseband of this first wireless transmission standards
Signal；
One second fundamental frequency signal processing module is used to process this second digital baseband letter with this second wireless transmission standards
Number, or make the output of this second fundamental frequency signal processing module meet one the 4th digital baseband of this second wireless transmission standards
Signal；
Receive the 3rd digital base band signal and the 3rd digital base band signal performed filtering and rises sampling action,
To obtain one the 3rd digital medium-frequency signal；
Receive the 4th digital base band signal and the 4th digital base band signal performed filtering and rises sampling action,
To obtain one the 4th digital medium-frequency signal；
3rd digital medium-frequency signal is converted into one the 3rd analog radio frequency output signal, maybe by the 4th digital intermediate frequency
Signal is converted into one the 4th analog radio frequency output signal, and exports the 3rd analog radio frequency output signal or the 4th mould
Intend radio frequency output signal；And
Selective this first analog radio frequency input signal or the one second analog radio frequency input signal of exporting is to this reception
Path, wherein this second analog radio frequency input signal contains one the 3rd signal composition and one the 4th signal composition,
Wherein the 3rd signal composition and the 4th signal composition at least a part of which one and this first signal composition and this
Binary signal composition meets different wireless transmission standards.
8. a signal receiving circuit, comprises:
One RX path, in order to be converted into a digital intermediate frequency input signal defeated by one first analog radio frequency input signal
Going out this digital intermediate frequency input signal, wherein this first analog radio frequency input signal contains multiple signal composition, this letter
Number composition meets at least one wireless transmission standards；
One numeral fall modular converter, comprises M numeral fall transducer, in order to receive this digital intermediate frequency input signal,
Obtaining M the digital base band signal corresponding to those signal compositions after treatment, wherein this M is for being more than or equal to
The positive integer of 2；
N number of fundamental frequency signal processing module, processes this digital base band signal with this corresponding wireless transmission standards, its
In this N be the positive integer more than or equal to 2, the value of this M and this N is different；And
One multiplexer, selective this first analog radio frequency input signal of output or one second analog radio frequency input signal
To this RX path, wherein this second analog radio frequency input signal contains one the 3rd signal composition and one the 4th letter
Number composition, wherein the 3rd signal composition and the 4th signal composition at least a part of which one and this first analog radio frequency
The plurality of signal composition that input signal is comprised meets different wireless transmission standards,
Wherein this numeral fall transducer is connected with following connected mode at least one with this fundamental frequency signal processing module:
Transducer drops in this numeral, and one of them connects at least one this fundamental frequency signal processing module；And
This fundamental frequency signal processing module one of them connect at least one this numeral fall transducer.
9. signal receiving circuit as claimed in claim 8, it is characterised in that this fundamental frequency signal processing module is divided
Do not use different wireless transmission standards.
10. signal receiving circuit as claimed in claim 8, it is characterised in that this fundamental frequency signal processing module is extremely
Few one uses identical wireless transmission standards.
11. 1 kinds of signal transfer circuits, comprise:
N number of fundamental frequency signal processing module, in order to export N number of digital baseband letter according at least one wireless transmission standards
Number, wherein this N is the positive integer more than or equal to 2；
One numeral rises modular converter, comprises M numeral and rises transducer, in order to receive this digital base band signal, warp
Producing M digital medium-frequency signal after process, wherein this M is the positive integer more than or equal to 2, this M and this N
Value different；
One transmits path, this digital medium-frequency signal is converted into analog radio frequency output signal respectively, and exports this simulation
Radio frequency output signal；
Wherein this numeral liter transducer is connected with following connected mode at least one with this fundamental frequency signal processing module:
This numeral rises transducer, and one of them connects at least one this fundamental frequency signal processing module；And
This fundamental frequency signal processing module one of them connect at least one this numeral rise transducer.
12. signal transfer circuits as claimed in claim 11, it is characterised in that this fundamental frequency signal processing module
Use different wireless transmission standards respectively.
13. signal transfer circuits as claimed in claim 11, it is characterised in that this fundamental frequency signal processing module
At least one uses identical wireless transmission standards.
14. 1 kinds of signals pass receives circuit, comprises:
One RX path, in order to be converted into a digital intermediate frequency input signal defeated by one first analog radio frequency input signal
Going out this digital intermediate frequency input signal, wherein this first analog radio frequency input signal contains multiple signal composition, those
Signal composition meets at least one wireless transmission standards；
One numeral fall modular converter, comprises M1Individual numeral fall transducer, in order to receive this digital intermediate frequency input signal,
Obtain should the M of signal composition after treatment1Individual digital base band signal, wherein this M1For more than or equal to 2
Positive integer；
N number of fundamental frequency signal processing module, processes this digital base band signal or defeated with this corresponding wireless transmission standards
Going out to meet this digital base band signal of this wireless transmission standards, wherein this N is the positive integer more than or equal to 2,
This M1Different with the value of this N；
One numeral rises modular converter, comprises M2Individual numeral rises transducer, in order to receive this fundamental frequency signal processing module
Those digital base band signal of output, produce M after treatment2Individual digital medium-frequency signal, wherein this M2For being more than
Or the positive integer equal to 2, this M2Different with the value of this N；
One transmits path, those digital medium-frequency signals is converted into analog radio frequency output signal respectively, and exports this mould
Intend radio frequency output signal；
Wherein those numeral fall transducers are with those fundamental frequency signal processing modules with following connected mode at least one even
Connect:
Transducer drops in this numeral, and one of them connects at least one this fundamental frequency signal processing module；And
This fundamental frequency signal processing module one of them connect at least one this numeral fall transducer；
Wherein those numerals rise transducer with those fundamental frequency signal processing modules with following connected mode at least one even
Connect:
This numeral rises transducer, and one of them connects at least one this fundamental frequency signal processing module；And
This fundamental frequency signal processing module one of them connect at least one this numeral rise transducer.
15. signals as claimed in claim 14 pass receive circuit, it is characterised in that in this fundamental frequency signal process mould
Block uses different wireless transmission standards respectively.
16. signals as claimed in claim 14 pass receives circuit, it is characterised in that this fundamental frequency signal processing module
At least one uses identical wireless transmission standards.
17. signals as claimed in claim 14 pass receives circuit, it is characterised in that this M1With this M2Identical.
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| CN201310096071.1A CN104065393B (en) | 2013-03-22 | 2013-03-22 | Signal transmission or receive circuit and signal transmission or method of reseptance |
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| CN102185623A (en) * | 2011-02-16 | 2011-09-14 | 惠州Tcl移动通信有限公司 | Mobile terminal and multi-antenna realizing method thereof |
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| US5579341A (en) * | 1994-12-29 | 1996-11-26 | Motorola, Inc. | Multi-channel digital transceiver and method |
| US6526264B2 (en) * | 2000-11-03 | 2003-02-25 | Cognio, Inc. | Wideband multi-protocol wireless radio transceiver system |
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