CN106656243A - Multi-band transceiver and multi-band radio frequency signal sending and receiving method - Google Patents
Multi-band transceiver and multi-band radio frequency signal sending and receiving method Download PDFInfo
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- CN106656243A CN106656243A CN201510708837.6A CN201510708837A CN106656243A CN 106656243 A CN106656243 A CN 106656243A CN 201510708837 A CN201510708837 A CN 201510708837A CN 106656243 A CN106656243 A CN 106656243A
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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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Abstract
The invention discloses a multi-band transceiver and multi-band radio frequency signal sending and receiving method. The method includes a transceiving antenna used for receiving an uplink multi-band radio frequency signal sent by a mobile station and transmitting a downlink multi-band radio frequency signal sent by a base station; a transceiving duplexer module used for filtering an out-of-band interference signal or spurious signal, filtering the uplink multi-band radio frequency signal received by the transceiving antenna and sending the signal to a receiver, and filtering the downlink multi-band radio frequency signal output by a transmitter and sending the signal to the transceiving antenna to be transmitted; the receiver used for dividing the multi-band radio frequency signal into multiple paths of single-band radio frequency signals to be processed after low noise power amplification is performed on the uplink multi-band radio frequency signal; and the transmitter used for merging the multiple paths of single-band signals into one path of multi-band radio frequency signal and performing power amplification, and sending the amplified downlink multi-band radio frequency signal to the transceiving duplexer module.
Description
Technical field
The present invention relates to field of mobile communication, more particularly to a kind of multiband transceiver and multi-frequency band radio-frequency
Signal method of sending and receiving.
Background technology
With the development of wireless communication technique, broader spectrum requirement be influence technique evolution it is most important because
Element, wireless base station product develop to broadband and multiband direction.In the prior art, as shown in figure 1,
It is simply to be combined by the transceiver of multiple one-segments, then by multiple one-segment transceiver multiplexings
Device synthesizes to realize broadband multi-band transceiver.This implementation method increased the complexity of transceiver designs
Degree, volume is big, high cost, is unsatisfactory for the growth requirement of miniaturization base station.
The content of the invention
In view of transceiver designs are complicated in prior art, volume is big, high cost, it is impossible to meet miniaturization base
Stand the problem of growth requirement, it is proposed that the present invention overcomes the problems referred to above or at least in part to provide one kind
The multiband transceiver for solving the above problems and multi-frequency band radio-frequency signal method of sending and receiving.
The present invention provides a kind of multiband transceiver, including：
Dual-mode antenna, for the up multi-frequency band radio-frequency signal that receiving mobile sends, and base station is sent
Descending multi-frequency band radio-frequency signal is launched；
Duplexer module, for filtering out-of-band interference signal or spurious signal, dual-mode antenna is received
Up multi-frequency band radio-frequency signal be filtered after be sent to receiver, and the descending multifrequency that transmitter is exported
Dual-mode antenna is sent to after section radiofrequency signal filtering to be launched；
Receiver, for carrying out, after low noise power amplification, multiband being penetrated up multi-frequency band radio-frequency signal
Frequency signal is divided into multichannel one-segment radiofrequency signal and is processed；
Transmitter, puts for merging into multi-frequency band radio-frequency signal all the way and carrying out power multichannel single-frequency segment signal
Greatly, by amplification after descending multi-frequency band radio-frequency signal be sent to duplexer module.
Present invention also offers a kind of multi-frequency band radio-frequency signaling method, including：
Multichannel single-frequency segment signal is merged into multi-frequency band radio-frequency signal all the way and carries out power amplification by transmitter, will
Descending multi-frequency band radio-frequency signal after amplification is sent to duplexer module；
The descending multi-frequency band radio-frequency target signal filter out-of-band interference signal that transmitter is exported by duplexer module
Or after spurious signal, be sent to dual-mode antenna and launched.
Present invention also offers a kind of multi-frequency band radio-frequency signal acceptance method, including：
The up multi-frequency band radio-frequency signal that dual-mode antenna receiving mobile sends, and up multi-frequency band radio-frequency is believed
Number it is sent to duplexer module；
The up multi-frequency band radio-frequency target signal filter out-of-band interference that duplexer module is received to dual-mode antenna
Receiver is sent to after signal or spurious signal；
Receiver carries out up multi-frequency band radio-frequency signal after low noise power amplification, by multi-frequency band radio-frequency signal
It is divided into multichannel one-segment radiofrequency signal to be processed.
The present invention has the beneficial effect that：
By means of the multiband transceiver of the embodiment of the present invention, transceiver designs in prior art are solved
Complexity, volume is big, high cost, it is impossible to meets the problem of miniaturization base station development demand, can realize multifrequency
Section is received simultaneously and is launched, and simplifies radio frequency link framework, reduces the complexity of transceiver designs.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and being practiced according to the content of description, and in order to allow above and other objects of the present invention,
Feature and advantage can become apparent, below especially exemplified by the specific embodiment of the present invention.
Description of the drawings
By the detailed description for reading hereafter preferred implementation, various other advantages and benefit are for ability
Domain those of ordinary skill will be clear from understanding.Accompanying drawing is only used for the purpose for illustrating preferred implementation, and and
It is not considered as limitation of the present invention.And in whole accompanying drawing, it is denoted by the same reference numerals identical
Part.In the accompanying drawings：
Fig. 1 is the structural representation of multiband transceiver in prior art；
Fig. 2 is the structural representation of the multiband transceiver of the embodiment of the present invention；
Fig. 3 is the detailed construction schematic diagram of the multiband transceiver of the embodiment of the present invention；
Fig. 4 is the structural representation of the integration module of the 2T2R of the embodiment of the present invention；
Fig. 5 is the knot that the multiple 2T2R integration modules of employing of the embodiment of the present invention realize multiband transceiver
Structure schematic diagram；
Fig. 6 is the flow chart of the multi-frequency band radio-frequency signaling method of the embodiment of the present invention；
Fig. 7 is the flow chart of the detailed process of the multi-frequency band radio-frequency signaling method of the embodiment of the present invention；
Fig. 8 is the flow chart of the multi-frequency band radio-frequency signal acceptance method of the embodiment of the present invention；
Fig. 9 is the flow chart of the detailed process of the multi-frequency band radio-frequency signal acceptance method of the embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing in accompanying drawing
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should not be by
Embodiments set forth here is limited.On the contrary, there is provided these embodiments are able to be best understood from this
It is open, and the scope of the present disclosure complete can be conveyed to those skilled in the art.
Complicated in order to solve transceiver designs in prior art, volume is big, high cost, it is impossible to meet small-sized
Change the problem of base station development demand, the invention provides a kind of broadband multi-band radiofrequency signal transceiver, receives
Letter machine can directly receive broadband multi-band radiofrequency signal, and frequency selection is reused after low noise block is amplified
Multi-band signal is separately processed by wave filter；Multichannel single-frequency segment signal can be closed by sender by combiner module
And for broadband multi-frequency segment signal all the way, then Jing broadbands power amplifier and antenna send, the technology of the embodiment of the present invention
Scheme reduces the complexity of transceiver designs, simplifies radio frequency link framework, small volume, low cost.,
Below in conjunction with accompanying drawing and embodiment, the present invention will be described in further detail.It should be appreciated that this place
The specific embodiment of description limits the present invention only to explain the present invention, not.
Device embodiment
A kind of embodiments in accordance with the present invention, there is provided multiband transceiver, Fig. 2 is the embodiment of the present invention
Multiband transceiver structural representation, as shown in Fig. 2 multiband according to embodiments of the present invention is received
Sender includes：Dual-mode antenna 20, duplexer module 22, receiver 24, and transmitter 26,
Hereinafter the modules of the embodiment of the present invention are described in detail.
Dual-mode antenna 20, for the up multi-frequency band radio-frequency signal that receiving mobile sends, and base station is sent
Descending multi-frequency band radio-frequency signal launched；
Duplexer module 22, for filtering out-of-band interference signal or spurious signal, by dual-mode antenna 20
The up multi-frequency band radio-frequency signal for receiving is sent to receiver 24 after being filtered, and will be transmitter 26 defeated
Dual-mode antenna 20 is sent to after the descending multi-frequency band radio-frequency signal filtering for going out to be launched；
Receiver 24, for up multi-frequency band radio-frequency signal is carried out after low noise power amplification, by multiband
Radiofrequency signal is divided into multichannel one-segment radiofrequency signal and is processed；Receiver 24 is specifically included：
Low noise amplification module, carries out low noise acoustical power for the up multi-frequency band radio-frequency signal to receiving and puts
Greatly, and it is sent to frequency selective filter module；
Frequency selective filter module, is provided with an entrance and multiple outlets, for being received by entrance
Up multi-frequency band radio-frequency signal be separated into multichannel one-segment radiofrequency signal, and be sent to the by multiple outlets
One radio frequency variable gain amplifier module；Frequency selective filter module specifically for：To be received by entrance
Up multi-frequency band radio-frequency signal be separated into the suppression of multichannel one-segment radiofrequency signal and require to include：Each single-frequency
Section can be suppressed to level with internal congestion with external blocking other one-segments.
First radio frequency variable gain amplifier module, for every road one-segment radio frequency letter respectively to receiving
Number Gain tuning is carried out, and be sent to radio-frequency filter module；First radio frequency variable gain amplifier module has
Body is used for：Big block signal carries out gain reduction when being input into, sensitivity small-signal carries out gain amplification when being input into.
Radio-frequency filter module, for connecing to dual-mode antenna 20 in one-segment radiofrequency signal self transmission path
Frequency range in the multi-frequency band radio-frequency signal of receipts in addition to itself frequency range carries out noise suppressed, by filtered each list
Frequency range radiofrequency signal is separately sent to corresponding frequency-variable module；
First local oscillator module, for providing local oscillation signal for the first frequency-variable module；
First frequency-variable module, it is for the one-segment radiofrequency signal of input is converted to one-segment intermediate-freuqncy signal, defeated
Go out to intermediate frequency variable gain amplifier module；
Intermediate frequency variable gain amplifier module, for the one-segment intermediate-freuqncy signal after frequency conversion is carried out gain amplification
Or decay, export to the first if filter block；
First if filter block, the combination frequency spurious signal for frequency conversion is introduced are filtered, and output is arrived
First digital signal processing module；
First digital signal processing module, for sampling to one-segment intermediate-freuqncy signal, analog intermediate frequency signal is turned
For baseband digital signal, and carry out Digital Signal Processing.
In sum, receiver processes multi-frequency band radio-frequency signal and is substantially carried out following operation：Dual-mode antenna is received
, to duplexer module, duplexer module will receipts for multi-band signal (above-mentioned multi-frequency band radio-frequency signal)
Send out after the multi-band signal that receives of antenna is filtered and be sent to receiver；Low-noise amplifier in receiver
Multi-band signal is carried out into low noise amplification；Frequency selective filter is entered afterwards, and the wave filter has one to enter
Mouth and multiple outlets, enter line frequency and select to separate multiple reception frequency ranges；Multi-band signal Jing frequencies select filter
After ripple device is separated into single-frequency segment signal, exported to radio frequency variable gain amplifier respectively, for by radiofrequency signal
It is amplified or decays；Each transmission channel can realize independent control by respective variable gain amplifier
System.Single-frequency segment signal after radio frequency variable gain amplifier enters radio-frequency filter, it is desirable to rf filtering
Device must is fulfilled for certain suppression to other frequency ranges；After filtering, each single-frequency segment signal respectively enters corresponding frequency conversion
Module；The one-segment radiofrequency signal for receiving is converted to IF-FRE by frequency-variable module, and exporting can to intermediate frequency
Gain amplifier is adjusted for intermediate-freuqncy signal to be amplified or decay；Connection if filter block is used to filter
The combination of frequency that frequency conversion is produced is spuious；Digital signal processing module is sampled to intermediate-freuqncy signal, and intermediate frequency simulation is believed
Number switch to baseband digital signal, carry out Digital Signal Processing afterwards.
Transmitter 26, for multichannel single-frequency segment signal is merged into multi-frequency band radio-frequency signal all the way and power is carried out
Amplify, by amplification after descending multi-frequency band radio-frequency signal be sent to duplexer module 22.Transmitter 26
Specifically include：
Second digital signal processing module, for processing to baseband transmission signal, the baseband signal of transmitting is entered
Frequency conversion after row sampling is intermediate-freuqncy signal；
Second if filter block, for filtering the spurious signal beyond intermediate-frequency band, and will be filtered
Intermediate-freuqncy signal is sent to the second frequency-variable module；
Second local oscillator module：For providing local oscillation signal for the second frequency-variable module；
Second frequency-variable module：For the intermediate-freuqncy signal of input is converted to radiofrequency signal, and it is sent to second and penetrates
Frequency variable gain amplifier module；
Second radio frequency variable gain amplifier module, for the one-segment radiofrequency signal of transmitting is amplified or
Decay, output to combiner module；
Combiner module, the one-segment radiofrequency signal for the second radio frequency variable gain amplifier is exported are closed
Road, output all the way multi-frequency band radio-frequency signal to broadband power amplifier module；
Broadband power amplifier module, for the multi-band signal of transmitting is carried out power amplification, reaches output signal
The power that system needs.
Mainly include following process during transmitter transmitting multi-frequency band radio-frequency signal：
The digital signal processing module of transmitter is processed to baseband transmission signal, and the baseband signal of transmitting is carried out
Frequency conversion after sampling is intermediate-freuqncy signal.If filter block is used to filter the spurious signal outside frequency range；Frequency conversion mould
The one-segment intermediate-freuqncy signal for receiving is converted to rf frequency by block, is exported to radio frequency variable gain amplifier and is used
In radiofrequency signal to be amplified or decay；Each RF variable gain amplifier outfan is connected to combiner
Input；The combiner module of transmitting chain has multiple entrances and one outlet, can be by variable gain amplifier
The single-frequency segment signal combining of output, then exports a multi-frequency band radio-frequency signal；Combiner outfan is connected to
Broadband power amplifier input, for multi-band signal is amplified；Power amplifier outfan is connected to duplexer
Module；Dual-mode antenna is given after the multi-band signal filtering that transmitter is exported by duplexer module, day is received and dispatched
The multi-band signal of base station down is launched by line.
Below in conjunction with the accompanying drawings the technical scheme of the embodiment of the present invention is described in further detail：Fig. 3 is this
The detailed construction schematic diagram of the multiband transceiver of inventive embodiments, as shown in figure 3, according to of the invention real
The multiband transceiver for applying example includes：
Dual-mode antenna, up multi-frequency band radio-frequency signal and the multifrequency by base station down that receiving mobile is sent
Section emission of radio frequency signals is gone out.
Duplexer module, for filtering the interference or spuious outside band, the multiband that antenna is received
Radiofrequency signal is sent to receiver, and the multi-frequency band radio-frequency signal filtering that transmitter is exported after being filtered
Launch to antenna afterwards.
Receiver：
LNA amplification module：Broadband multi-frequency segment signal to receiving carries out low noise power amplification；
Frequency selective filter module：The wave filter has an entrance and multiple outlets, for many by what is received
Frequency band signals are separated into one-segment, and the suppression of frequency selective filter requires it is that each one-segment Band can
Other one-segments Band are suppressed to the level with internal congestion with external blocking, each single-frequency segment signal divides again
Jin Ru not corresponding radio frequency variable gain amplifier；
Radio frequency variable gain amplifier module：Single-frequency segment signal to receiving carries out Gain tuning, big obstruction letter
Gain reduction is carried out during number input, sensitivity small-signal carries out gain amplification when being input into；The biography of each one-segment
Defeated path gain is all Independent adjustable；
Radio-frequency filter module：For removing in one-segment self transmission path, the multiband received to antenna
Frequency range beyond itself frequency range carries out noise suppressed；
Local oscillator module：Local oscillator module for give frequency-variable module provide local oscillation signal；
Frequency-variable module：For the radiofrequency signal of input is converted to intermediate-freuqncy signal；
Intermediate frequency variable gain amplifier module：Amplify for the intermediate-freuqncy signal after frequency conversion is carried out appropriate gain
Or decay；
If filter block：Combination frequency for frequency conversion is introduced is spuious to be filtered；
Digital signal processing module：Intermediate-freuqncy signal is sampled, analog intermediate frequency signal is switched to into baseband digital signal,
Digital Signal Processing is carried out afterwards.
Transmitter：
Digital signal processing module：To baseband transmission signal process, frequency conversion after the baseband signal of transmitting is sampled
For intermediate-freuqncy signal.
If filter block：Filter the spurious signal beyond intermediate-frequency band；
Local oscillator module：For providing local oscillation signal to frequency-variable module；
Frequency-variable module：For the intermediate-freuqncy signal of input is converted to radiofrequency signal；
Radio frequency variable gain amplifier module：For the one-segment radiofrequency signal of transmitting to be amplified or decline
Subtract, the transmission channel gain of each one-segment is Independent adjustable；
Combiner module：For the one-segment radiofrequency signal combining for exporting radio frequency variable gain amplifier, so
A broadband multi-band radiofrequency signal is exported afterwards；
Broadband power amplifier module：For the broadband multi-frequency segment signal of transmitting is carried out power amplification, output signal is made
Reach the power of system needs.
Fig. 4 is the structural representation of the integration module of the 2T2R of the embodiment of the present invention, as shown in figure 4,
2T2R (MIMO) receives link includes：
Attenuation module：For the radiofrequency signal of reception is carried out appropriate decay；
Local oscillator module：Local oscillator module for give frequency-variable module provide local oscillation signal；
Frequency-variable module：For the radiofrequency signal of input is converted to intermediate-freuqncy signal；
Intermediate frequency amplifier module：For intermediate-freuqncy signal is carried out gain amplification；
If filter block：Filter the spurious signal beyond intermediate-frequency band；
ADC：For sampling to intermediate-freuqncy signal, analog intermediate frequency signal is switched to into base-band digital letter
Number；
2T2R (MIMO) transmitting chain includes：
DAC module：Frequency conversion after the baseband signal of transmitting is sampled is intermediate-freuqncy signal；
If filter block：Filter the spurious signal beyond intermediate-frequency band；
Intermediate frequency amplifier module：For intermediate-freuqncy signal is carried out gain amplification；
Local oscillator module：For providing local oscillation signal to frequency-variable module；
Frequency-variable module：For the intermediate-freuqncy signal of input is converted to radiofrequency signal；
RF amplifier modules：For the radiofrequency signal of transmitting is carried out gain amplification；
Fig. 5 is the knot that the multiple 2T2R integration modules of employing of the embodiment of the present invention realize multiband transceiver
Structure schematic diagram, as shown in figure 5, specifically including：
Dual-mode antenna：For receiving up multi-frequency band radio-frequency signal, and launch descending multi-frequency band radio-frequency signal；
Duplexer：For filtering outside the interference or spuious received outside frequency range band, and transmitting frequency range band
Interference or spuious；
Receiver includes：
Low-noise amplifier：Multi-frequency band radio-frequency signal for antenna is received carries out low noise amplification；
Frequency selective filter：Multi-band signal for antenna opening is received is separated into single-frequency segment signal；
Radio frequency variable gain amplifier：For adjusting the gain of link, realize to low level signal amplification and to big letter
Number decay function；
Radio-frequency filter：For carrying out noise suppressed to other frequency ranges beyond itself frequency range；
2T2R integration modules：The one-segment radiofrequency signal of input is converted into into baseband signal, is adjusted comprising gain
Whole and signal filtering.
Transmitter：
2T2R integration modules：Radiofrequency signal output is converted baseband signals into, is amplified comprising signal and is filtered；
Radio frequency variable gain amplifier：For radiofrequency signal is amplified, also including the function of Gain tuning；
Combiner：For by the combining of multiple one-segment radiofrequency signals into a broadband multi-band radiofrequency signal；
Broadband power amplifier：Broadband multi-band radiofrequency signal is carried out into high-power amplification.
In sum, the multiband transceiver that the embodiment of the present invention is proposed can realize that multiband is received and sent out
Penetrate；Multi-band signal can be directly received, multiband after low-noise amplifier reconnects frequency and selects
Multiband is separated into one-segment and is processed by wave filter；Simplify receives link framework；Can also be by multichannel
Single-frequency segment signal, merges into broadband multi-frequency segment signal all the way by combiner module, then Jing broadbands power amplifier and
Antenna sends；Simplify transmitting chain framework；The multi-frequency band radio-frequency signal transmitting and receiving letter that the embodiment of the present invention is proposed
Machine has the advantages such as low cost, small volume, low-power consumption, reduces conceptual design and the complexity realized；Have
Beneficial to the miniaturization of wireless base station product.
Embodiment of the method one
A kind of embodiments in accordance with the present invention, there is provided multi-frequency band radio-frequency signaling method, Fig. 6 is this
The flow chart of the multi-frequency band radio-frequency signaling method of bright embodiment, as shown in fig. 6, according to present invention enforcement
The multi-frequency band radio-frequency signaling method of example includes following process：
Multichannel single-frequency segment signal is merged into multi-frequency band radio-frequency signal all the way and carries out work(by step 601, transmitter
Rate amplify, by amplification after descending multi-frequency band radio-frequency signal be sent to duplexer module；
Step 602, outside the descending multi-frequency band radio-frequency target signal filter band that transmitter is exported by duplexer module
After interference signal or spurious signal, it is sent to dual-mode antenna and is launched.
In step 601, multichannel single-frequency segment signal is merged into multi-frequency band radio-frequency signal all the way and is carried out by transmitter
Power amplification specifically includes following process：
Second digital signal processing module is processed to baseband transmission signal, and the baseband signal of transmitting is sampled
Frequency conversion afterwards is intermediate-freuqncy signal；
Second if filter block filters the spurious signal beyond intermediate-frequency band, and filtered intermediate frequency is believed
Number it is sent to the second frequency-variable module；
The intermediate-freuqncy signal frequency conversion that second frequency-variable module will be input into according to the local oscillation signal that the second local oscillator module is provided
To radiofrequency signal, and it is sent to the second radio frequency variable gain amplifier module；
The one-segment radiofrequency signal of transmitting is amplified or is decayed by the second radio frequency variable gain amplifier module,
Export combiner module；
The one-segment radiofrequency signal combining that second radio frequency variable gain amplifier is exported by combiner module, output
Multi-frequency band radio-frequency signal is to broadband power amplifier module all the way；
The multi-band signal of transmitting is carried out power amplification by broadband power amplifier module, and making output signal reach system needs
The power wanted.
Fig. 7 is the flow chart of the detailed process of the multi-frequency band radio-frequency signaling method of the embodiment of the present invention, such as
Shown in Fig. 7, following process is specifically included：
Step 701, is converted into intermediate-freuqncy signal output after the baseband signal of transmitting is sampled；
Step 702, the IF signal processing of transmitting, usually filters, and filters spuious beyond intermediate-frequency band
Signal；
The intermediate-freuqncy signal of input is converted to radiofrequency signal by frequency-variable module by step 703；
One-segment radiofrequency signal after frequency conversion is carried out signal processing by step 704, carry out power amplification or
Decay, the situation of Gain tuning will be determined according to one-segment signal power size；
Step 705, it is assumed that have N number of one-segment signal transmission pathway, the one-segment radiofrequency signal point of output
Wei not Band1, Band2 ... Bandn；Band1, Band2 ... Bandn is combined by combiner,
Export broadband multi-band radiofrequency signal Band1+Band2+ ... Bandn all the way；
Broadband multi-band radiofrequency signal is carried out power amplification process by step 706, exports the letter of appropriate power
Number；
Step 707, the multi-frequency band radio-frequency signal filtering that transmitter is exported by duplexer；
The multi-frequency band radio-frequency signal of base station down is launched by step 708, antenna.
To sum up, by means of the technical scheme of the embodiment of the present invention, multichannel single-frequency segment signal can be led to by sender
Cross combiner module and merge into broadband multi-frequency segment signal all the way, then Jing broadbands power amplifier and antenna send；
Embodiment of the method two
A kind of embodiments in accordance with the present invention, there is provided multi-frequency band radio-frequency signal acceptance method, Fig. 8 is this
The flow chart of the multi-frequency band radio-frequency signal acceptance method of bright embodiment, as shown in figure 8, according to present invention enforcement
The multi-frequency band radio-frequency signal acceptance method of example includes following process：
Step 801, the up multi-frequency band radio-frequency signal that dual-mode antenna receiving mobile sends, and will be up many
Frequency range radiofrequency signal is sent to duplexer module；
Step 802, the up multi-frequency band radio-frequency target signal filter that duplexer module is received to dual-mode antenna
Receiver is sent to after out-of-band interference signal or spurious signal；
Step 803, receiver carry out up multi-frequency band radio-frequency signal after low noise power amplification, by multifrequency
Section radiofrequency signal is divided into multichannel one-segment radiofrequency signal and is processed.
In step 803, receiver carries out up multi-frequency band radio-frequency signal after low noise power amplification, will
Multi-frequency band radio-frequency signal is divided into multichannel one-segment radiofrequency signal to carry out process and specifically includes：
1st, low noise amplification module carries out low noise power amplification to the up multi-frequency band radio-frequency signal for receiving,
And it is sent to frequency selective filter module；
2nd, the up multi-frequency band radio-frequency signal received by entrance is separated into many by frequency selective filter module
Road one-segment radiofrequency signal, and the first radio frequency variable gain amplifier module is sent to by multiple outlets；Its
In, the up multi-frequency band radio-frequency signal received by entrance is separated into into the suppression of multichannel one-segment radiofrequency signal
Require to include：Each one-segment can be suppressed to level with internal congestion with external blocking other one-segments；
3rd, the first radio frequency variable gain amplifier module is to every road one-segment radiofrequency signal respectively to receiving
Gain tuning is carried out, and is sent to radio-frequency filter module；First radio frequency variable gain amplifier module will be big
Block signal carries out gain reduction when being input into, sensitivity small-signal carries out gain amplification when being input into.
4th, radio-frequency filter module one-segment radiofrequency signal self transmission path dual-mode antenna is received it is many
Frequency range in frequency range radiofrequency signal in addition to itself frequency range carries out noise suppressed, and filtered each one-segment is penetrated
Frequency signal is separately sent to corresponding frequency-variable module；
5th, the local oscillation signal that the first frequency-variable module is provided according to the first local oscillator module, the one-segment of input is penetrated
Frequency signal frequency conversion is to one-segment intermediate-freuqncy signal, output to intermediate frequency variable gain amplifier module；
6th, intermediate frequency variable gain amplifier module by the one-segment intermediate-freuqncy signal after frequency conversion carry out gain amplification or
Person decays, and exports to the first if filter block；
7th, the combination frequency spurious signal that frequency conversion is introduced by the first if filter block is filtered, and exports the
One digital signal processing module；
8th, the first digital signal processing module is sampled to one-segment intermediate-freuqncy signal, and analog intermediate frequency signal is switched to
Baseband digital signal, and carry out Digital Signal Processing.
Fig. 9 is the flow chart of the detailed process of the multi-frequency band radio-frequency signal acceptance method of the embodiment of the present invention, such as
Shown in Fig. 9, following process is specifically included：
Step 901, antenna receive up multi-frequency band radio-frequency signal；
Step 902, the multi-frequency band radio-frequency signal that antenna is received by duplexer are sent to receiver after being filtered.
Multi-frequency band radio-frequency signal is carried out low noise amplification by step 903；
Step 904, the multi-frequency band radio-frequency signal after low noise amplification enter frequency selective filter, the filtering
Device is singly to enter the structure having more, and the multi-band signal that an antenna opening is received separates；What if antenna was received
Multi-band signal contains N number of single-frequency segment signal；Then a multi-band signal is separated by frequency selective filter
Into N number of single-frequency segment signal；
One-segment radiofrequency signal is carried out signal processing by step 905, carries out power amplification or decay, is increased
The situation of benefit adjustment will be determined according to one-segment signal power size；One-segment radiofrequency signal is filtered
Other frequency ranges beyond itself frequency range are carried out noise suppressed by ripple；
The one-segment radiofrequency signal of input is converted to intermediate-freuqncy signal by frequency-variable module by step 906；
Intermediate-freuqncy signal after frequency conversion is carried out signal processing by step 907, and intermediate-freuqncy signal is carried out power amplification
Or decay；The situation of Gain tuning is determined according to intermediate-freuqncy signal watt level；Frequency conversion is produced by filtration module
It is raw that combination of frequency is spuious filters；
Step 908, samples to filtered intermediate-freuqncy signal, analog intermediate frequency signal is switched to base-band digital
Signal, carries out Digital Signal Processing afterwards.
The technical scheme of the embodiment of the present invention can directly receive broadband multi-frequency segment signal, and multi-band signal is through low
After noise amplifier module amplifies, reconnect frequency selective filter and multiband is separated at one-segment
Reason.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Algorithm and display be not intrinsic with any certain computer, virtual system or miscellaneous equipment provided herein
It is related.Various general-purpose systems can also be used together based on teaching in this.As described above, structure
It is obvious to make the structure required by this kind of system.Additionally, the present invention is also not for any certain programmed
Language.It is understood that, it is possible to use various programming languages realize the content of invention described herein, and
The description done to language-specific above is for the preferred forms for disclosing the present invention.
In description mentioned herein, a large amount of details are illustrated.It is to be appreciated, however, that this
Bright embodiment can be put into practice in the case where not having these details.In some instances, not in detail
Known method, structure and technology are shown, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure helping understand one in each inventive aspect or
It is multiple, above to, in the description of the exemplary embodiment of the present invention, each feature of the present invention is sometimes by one
Rise and be grouped in single embodiment, figure or descriptions thereof.However, should not be by the method for the disclosure
It is construed to reflect following intention：I.e. the present invention for required protection is required than the institute in each claim clearly
The more features of feature of record.More precisely, as the following claims reflect, sending out
Bright aspect is less than all features of single embodiment disclosed above.Therefore, it then follows specific embodiment
Claims be thus expressly incorporated in the specific embodiment, wherein each claim conduct itself
The separate embodiments of the present invention.
Those skilled in the art are appreciated that can be carried out to the module in the client in embodiment certainly
Adaptively change and they are arranged in one or more different from embodiment client.Can be with
The block combiner in embodiment into a module, and multiple submodule or son can be divided in addition
Unit or sub-component.Except at least some in such feature and/or process or unit excludes each other it
Outward, can be using any combinations to public in this specification (including adjoint claim, summary and accompanying drawing)
The all features opened and all processes or unit of so disclosed any method or client carry out group
Close.Unless expressly stated otherwise, it is public in this specification (including adjoint claim, summary and accompanying drawing)
Each feature opened can be replaced by the alternative features for providing identical, equivalent or similar purpose.
Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein include other
Some included features rather than further feature in embodiment, but the combination meaning of the feature of different embodiments
Taste and is within the scope of the present invention and is formed different embodiments.For example, in following claim
In book, embodiment required for protection one of arbitrarily can in any combination mode using.
The all parts embodiment of the present invention can be realized with hardware, or with one or more processor
The software module of upper operation is realized, or is realized with combinations thereof.It will be understood by those of skill in the art that
Can be realized using microprocessor or digital signal processor (DSP) in practice according to of the invention real
Apply some or all functions of some or all parts being loaded with the client of sequence network address of example.
The present invention be also implemented as perform method as described herein some or all equipment or
Person's program of device (for example, computer program and computer program).Such journey for realizing the present invention
Sequence can be stored on a computer-readable medium, or can have the form of one or more signal.This
The signal of sample can be downloaded from internet website and be obtained, or provide on carrier signal, or with any
Other forms are provided.
It should be noted that above-described embodiment the present invention will be described rather than limits the invention, and
And those skilled in the art can design replacement enforcement without departing from the scope of the appended claims
Example.In the claims, any reference markss between bracket should not be configured to claim
Limit.Word "comprising" does not exclude the presence of element not listed in the claims or step.Before element
Word "a" or "an" do not exclude the presence of multiple such elements.If the present invention can be by means of including
The hardware of dry different elements and by means of properly programmed computer realizing.If listing equipment for drying
In unit claim, several in these devices can be embodying by same hardware branch.
The use of word first, second, and third does not indicate that any order.These words can be explained and be run after fame
Claim.
Claims (10)
1. a kind of multiband transceiver, it is characterised in that include：
Dual-mode antenna, for the up multi-frequency band radio-frequency signal that receiving mobile sends, and base station is sent
Descending multi-frequency band radio-frequency signal is launched；
Duplexer module, for filtering out-of-band interference signal or spurious signal, the dual-mode antenna is connect
The up multi-frequency band radio-frequency signal for receiving is sent to receiver after being filtered, and by transmitter export it is descending
It is sent to the dual-mode antenna to be launched after multi-frequency band radio-frequency signal filtering；
The receiver, for up multi-frequency band radio-frequency signal is carried out after low noise power amplification, by multifrequency
Section radiofrequency signal is divided into multichannel one-segment radiofrequency signal and is processed；
The transmitter, for multichannel single-frequency segment signal is merged into multi-frequency band radio-frequency signal all the way and work(is carried out
Rate amplify, by amplification after descending multi-frequency band radio-frequency signal be sent to the duplexer module.
2. the method for claim 1, it is characterised in that the receiver is specifically included：
Low noise amplification module, carries out low noise acoustical power for the up multi-frequency band radio-frequency signal to receiving and puts
Greatly, and it is sent to frequency selective filter module；
Frequency selective filter module, is provided with an entrance and multiple outlets, for being received by entrance
Up multi-frequency band radio-frequency signal be separated into multichannel one-segment radiofrequency signal, and be sent to the by multiple outlets
One radio frequency variable gain amplifier module；
First radio frequency variable gain amplifier module, for every road one-segment radio frequency letter respectively to receiving
Number Gain tuning is carried out, and be sent to radio-frequency filter module；
Radio-frequency filter module, for connecing to the dual-mode antenna in one-segment radiofrequency signal self transmission path
Frequency range in the multi-frequency band radio-frequency signal of receipts in addition to itself frequency range carries out noise suppressed, by filtered each list
Frequency range radiofrequency signal is separately sent to corresponding frequency-variable module；
First local oscillator module, for providing local oscillation signal for the first frequency-variable module；
First frequency-variable module, it is for the one-segment radiofrequency signal of input is converted to one-segment intermediate-freuqncy signal, defeated
Go out to intermediate frequency variable gain amplifier module；
Intermediate frequency variable gain amplifier module, for the one-segment intermediate-freuqncy signal after frequency conversion is carried out gain amplification
Or decay, export to the first if filter block；
First if filter block, the combination frequency spurious signal for frequency conversion is introduced are filtered, and output is arrived
First digital signal processing module；
First digital signal processing module, for sampling to the one-segment intermediate-freuqncy signal, intermediate frequency simulation is believed
Number switch to baseband digital signal, and carry out Digital Signal Processing.
3. the method for claim 1, it is characterised in that the frequency selective filter module tool
Body is used for：The up multi-frequency band radio-frequency signal received by entrance is separated into into multichannel one-segment radiofrequency signal
Suppression is required to include：Each one-segment can be suppressed to water with internal congestion with external blocking other one-segments
It is flat.
4. the method for claim 1, it is characterised in that the first radio frequency adjustable gain amplifies
Device module specifically for：Big block signal carries out gain reduction when being input into, sensitivity small-signal is carried out when being input into
Gain is amplified.
5. the method for claim 1, it is characterised in that the transmitter is specifically included：
Second digital signal processing module, for processing to baseband transmission signal, the baseband signal of transmitting is entered
Frequency conversion after row sampling is intermediate-freuqncy signal；
Second if filter block, for filtering the spurious signal beyond intermediate-frequency band, and will be filtered
Intermediate-freuqncy signal is sent to the second frequency-variable module；
Second local oscillator module：For providing local oscillation signal for the second frequency-variable module；
Second frequency-variable module：For the intermediate-freuqncy signal of input is converted to radiofrequency signal, and it is sent to second and penetrates
Frequency variable gain amplifier module；
Second radio frequency variable gain amplifier module, for the one-segment radiofrequency signal of transmitting is amplified or
Decay, output to combiner module；
Combiner module, for the one-segment radiofrequency signal for exporting the second radio frequency variable gain amplifier
Combining, output all the way multi-frequency band radio-frequency signal to broadband power amplifier module；
Broadband power amplifier module, for the multi-band signal of transmitting is carried out power amplification, reaches output signal
The power that system needs.
6. a kind of multi-frequency band radio-frequency signaling method, it is characterised in that include：
Multichannel single-frequency segment signal is merged into multi-frequency band radio-frequency signal all the way and carries out power amplification by transmitter, will
Descending multi-frequency band radio-frequency signal after amplification is sent to the duplexer module；
The descending multi-frequency band radio-frequency target signal filter out-of-band interference signal that transmitter is exported by duplexer module
Or after spurious signal, be sent to dual-mode antenna and launched.
7. method as claimed in claim 6, it is characterised in that multichannel single-frequency segment signal is closed by transmitter
And for multi-frequency band radio-frequency signal all the way and carry out power amplification and specifically include：
Second digital signal processing module is processed to baseband transmission signal, and the baseband signal of transmitting is sampled
Frequency conversion afterwards is intermediate-freuqncy signal；
Second if filter block filters the spurious signal beyond intermediate-frequency band, and filtered intermediate frequency is believed
Number it is sent to the second frequency-variable module；
The intermediate-freuqncy signal frequency conversion that second frequency-variable module will be input into according to the local oscillation signal that the second local oscillator module is provided
To radiofrequency signal, and it is sent to the second radio frequency variable gain amplifier module；
The one-segment radiofrequency signal of transmitting is amplified or is decayed by the second radio frequency variable gain amplifier module,
Export combiner module；
The one-segment radiofrequency signal combining that the second radio frequency variable gain amplifier is exported by combiner module,
Output all the way multi-frequency band radio-frequency signal to broadband power amplifier module；
The multi-band signal of transmitting is carried out power amplification by broadband power amplifier module, and making output signal reach system needs
The power wanted.
8. a kind of multi-frequency band radio-frequency signal acceptance method, it is characterised in that include：
The up multi-frequency band radio-frequency signal that dual-mode antenna receiving mobile sends, and the up multiband is penetrated
Frequency signal is sent to duplexer module；
Outside the up multi-frequency band radio-frequency target signal filter band that duplexer module is received to the dual-mode antenna
Receiver is sent to after interference signal or spurious signal；
Receiver carries out up multi-frequency band radio-frequency signal after low noise power amplification, by multi-frequency band radio-frequency signal
It is divided into multichannel one-segment radiofrequency signal to be processed.
9. method as claimed in claim 8, it is characterised in that up multi-frequency band radio-frequency is believed by receiver
After number carrying out low noise power amplification, multi-frequency band radio-frequency signal is divided at multichannel one-segment radiofrequency signal
Reason is specifically included：
Low noise amplification module carries out low noise power amplification to the up multi-frequency band radio-frequency signal for receiving, concurrently
It is sent to frequency selective filter module；
The up multi-frequency band radio-frequency signal received by entrance is separated into multichannel by frequency selective filter module
One-segment radiofrequency signal, and the first radio frequency variable gain amplifier module is sent to by multiple outlets；
First radio frequency variable gain amplifier module is entered to the every road one-segment radiofrequency signal respectively to receiving
Row Gain tuning, and it is sent to radio-frequency filter module；
Radio-frequency filter module is received to the dual-mode antenna in one-segment radiofrequency signal self transmission path
Frequency range in multi-frequency band radio-frequency signal in addition to itself frequency range carries out noise suppressed, by filtered each one-segment
Radiofrequency signal is separately sent to corresponding frequency-variable module；
The local oscillation signal that first frequency-variable module is provided according to the first local oscillator module, by the one-segment radio frequency letter of input
Number it is converted to one-segment intermediate-freuqncy signal, output to intermediate frequency variable gain amplifier module；
Intermediate frequency variable gain amplifier module by the one-segment intermediate-freuqncy signal after frequency conversion carry out gain amplification or
Decay, exports to the first if filter block；
The combination frequency spurious signal that frequency conversion is introduced by the first if filter block is filtered, and exports the first number
Word processing module；
First digital signal processing module is sampled to the one-segment intermediate-freuqncy signal, and analog intermediate frequency signal is switched to
Baseband digital signal, and carry out Digital Signal Processing.
10. method as claimed in claim 9, it is characterised in that
The up multi-frequency band radio-frequency signal received by entrance is separated into into the suppression of multichannel one-segment radiofrequency signal
System is required to include：Each one-segment can be suppressed to water with internal congestion with external blocking other one-segments
It is flat；
First radio frequency variable gain amplifier module is entered to the every road one-segment radiofrequency signal respectively to receiving
Row Gain tuning is specifically included：
Big block signal carries out gain reduction when being input into, sensitivity small-signal carries out gain amplification when being input into.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708837.6A CN106656243A (en) | 2015-10-27 | 2015-10-27 | Multi-band transceiver and multi-band radio frequency signal sending and receiving method |
| PCT/CN2016/091621 WO2017071331A1 (en) | 2015-10-27 | 2016-07-25 | Multi-frequency band transceiver, and method for transmitting and receiving multi-frequency band radio-frequency signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708837.6A CN106656243A (en) | 2015-10-27 | 2015-10-27 | Multi-band transceiver and multi-band radio frequency signal sending and receiving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106656243A true CN106656243A (en) | 2017-05-10 |
Family
ID=58629819
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510708837.6A Pending CN106656243A (en) | 2015-10-27 | 2015-10-27 | Multi-band transceiver and multi-band radio frequency signal sending and receiving method |
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| Country | Link |
|---|---|
| CN (1) | CN106656243A (en) |
| WO (1) | WO2017071331A1 (en) |
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Application publication date: 20170510 |