CN106302276A - Mobile terminal and receive signal processing system and method - Google Patents
Mobile terminal and receive signal processing system and method Download PDFInfo
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- CN106302276A CN106302276A CN201510289365.5A CN201510289365A CN106302276A CN 106302276 A CN106302276 A CN 106302276A CN 201510289365 A CN201510289365 A CN 201510289365A CN 106302276 A CN106302276 A CN 106302276A
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Abstract
Mobile terminal and receive signal processing system and method, described processing system includes: multiple wave filter, is suitable to be filtered the reception signal of input, outputting multiplex signals, and wherein, each road signal corresponds to a frequency band；Power divider, the signal being suitable to the corresponding frequency band to input carries out power distribution, and wherein, at least a power divider is corresponding to multiple frequency bands.The present invention is for supporting the mobile terminal of LTE-A technology, and during realizing carrier aggregation, a power divider is corresponding to multiple frequency bands, and the power of the signal of the most multiple frequency bands shares out the work and can be completed by same power divider.Thus greatly reduce required number of elements, simplify circuit, under the present situation that PCB space is the most crowded, reduce layout difficulty.Also greatly reduce the receiving port number of radio frequency chip simultaneously, reduce the design complexities of radio frequency chip.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of mobile terminal and receive signal
Processing system and method.
Background technology
LTE (Long Term Evolution, Long Term Evolution) is a kind of wireless data communication technology standard,
It promotes data transmission capabilities and the data transmission bauds of wireless network by new technique and modulator approach, for
User provides more preferable data, services, is considered from 3G to the mainstream technology of 4G evolution.At present, LTE
Having been obtained for the support of global numerous mainstream carrier, it is commercial that China the most formally starts LTE network.
In order to improve LTE data transmission throughput further, at the evolution version LTE-A of LTE standard
(LTE-Advanced), in, carrier aggregation (Carrier Aggregation, CA) technology is introduced, logical
Cross the mode of the multiple independent bandwidth combination of resources that will be dispersed in frequency spectrum, add reality and can provide utilization
System bandwidth, overcomes in the distribution of current wireless frequency spectrum and lacks continuous blank wide band problem, for LTE
Communication system has won more frequency spectrum resource.
For the present situation of current wireless frequency spectrum distribution, multiple carrier wave defined in the standard of LTE-A version gathers
Conjunction mode.For polymerisable composition variable number, can there is the type such as dual carrier, three carrier waves.Just
For relation between the one-tenth sub-carrier of polymerization, there is polymerization (Inter-band: several are polymerized between frequency band
The carrier wave come adheres to different band separately), discontinuously polymerization in frequency band (Intra-band non-adjacent: if
Dry the carrier wave being aggregating belongs to identical band together, but discontinuous on frequency spectrum), continuous polymerization in frequency band
(Intra-band adjacent: several carrier waves being aggregating belong to identical band together, and on frequency spectrum
Three kinds of aggregation schemes continuously).
Current mobile terminal mainly supports that dual downlink becomes the aggregation scheme of sub-carrier, two carrier waves to be referred to as
Become sub-carrier (Component Carrier, CC), be respectively defined as main constituent carrier wave according to the configuration of network
(Primary Component Carrier, PCC) with time become sub-carrier (Secondary Component
Carrier, SCC).Two the descending one-tenth sub-carriers being in frequency band under aggregation scheme belong to a frequency band,
Frequency is separated by not far, is generally difficult to use wave filter to distinguish, therefore in radio-frequency front-end, by antenna
In two frequency bands received polymerization carrier wave be by power divider be averagely allocated to PCC radio frequency chip and
SCC radio frequency chip, then distinguish inside radio frequency chip and process the signal received respectively.
As it is shown in figure 1, in prior art, for supporting the mobile terminal of LTE-A technology, it is achieved
In frequency band, the carrier aggregation under aggregation scheme needs to configure a power for the path that each frequency band is corresponding
Allotter, required number of elements is more, and the PCB space that power divider takies is bigger.At PCB
Under the present situation that space is the most crowded, layout difficulty is bigger.
Simultaneously as need the signal that each road signal is divided into more than two-way or two-way to transmit to radio frequency core
Sheet, thus the receiving port number needed for radio frequency chip also can increase exponentially, increases setting of radio frequency chip
Meter complexity.
Meanwhile, the signal width of each road signal in the two paths of signals that signal exports after power divider is received
Certain decay can be there is and (as a example by dual carrier, there is declining of 3dB in theory in degree relative to original signal
Subtracting, the most each road signal only has the 1/2 of original signal, about has the decay of about 3.25dB in practice).
And the increase of the composition variable number along with polymerization, such as three carrier waves, above-mentioned signal amplitude
Attenuation degree can be bigger.
Summary of the invention
Present invention solves the technical problem that and be: for supporting the mobile terminal of LTE-A technology, realizing load
During ripple polymerization, how to simplify circuit and reduce the design complexities of radio frequency chip.
In order to solve above-mentioned technical problem, the embodiment of the present invention provides at the reception signal of a kind of mobile terminal
Reason system, including:
Multiple wave filter, are suitable to input and receive signal, be filtered the reception signal of input, receive letter
Number filtered rear outputting multiplex signals, wherein, each road signal corresponds to a frequency band；
Low-noise amplifier, is suitable to input the signal of corresponding frequency band, the signal inputted is carried out low noise and puts
Greatly, the signal after output low noise amplification, outfan connects the input of corresponding power divider, its
In, each low-noise amplifier corresponds to a power divider；
Power divider, is suitable to the signal after inputting corresponding frequency band low noise amplification, the low noise to input
Signal after amplification carries out power distribution, and the signal after the low noise amplification of each road exports after power distributes
At least two paths of signals, in described at least two paths of signals, the composition of each road signal is identical, described at least two-way
In signal each road signal all comprise a main constituent carrier wave with at least one time become sub-carrier, outfan company
Connecing at least two radio frequency chip, wherein, each power divider corresponds to one or more frequency bands, extremely
A rare power divider corresponds to multiple frequency bands.
Optionally, multiple frequency bands of corresponding same power divider are adjacent frequency bands.
Optionally, all or part of low-noise amplifier has multiple input, by multiple inputs
Input multiple signals.
Optionally, the input of all or part of low-noise amplifier is many via single pole multiple throw input
Road signal.
Optionally, the power of the signal after the low noise amplification of input is averaged by described power divider
Distribution.
Optionally, in described at least two paths of signals, the amplitude of each road signal is equal, and described at least two is penetrated
Frequently chip includes a PCC radio frequency chip and at least one SCC radio frequency chip, wherein:
PCC radio frequency chip, is suitable to process main constituent carrier wave, ignores time one-tenth sub-carrier；
SCC radio frequency chip, is suitable to process its specific time can processed and becomes sub-carrier, ignore main constituent
Carrier wave becomes sub-carrier with other times.
Optionally, described reception signal is the LTE signal received.
Optionally, the quantity of described power divider is one or more.
Optionally, in the plurality of wave filter, each wave filter is single-input single-output, the plurality of
In wave filter, each wave filter is high performance filter.
Optionally, the quantity of described low-noise amplifier is one or more.
In order to solve above-mentioned technical problem, the embodiment of the present invention also provides for the reception signal of a kind of mobile terminal
Processing system, including:
Multiple wave filter, are suitable to input and receive signal, be filtered the reception signal of input, receive letter
Number filtered rear outputting multiplex signals, wherein, each road signal corresponds to a frequency band；
Power divider, is suitable to input the signal of corresponding frequency band, the signal of input is carried out power distribution,
Each road signal exports at least two paths of signals after power distributes, each road letter in described at least two paths of signals
Number composition identical, in described at least two paths of signals, each road signal all comprises a main constituent carrier wave and extremely
Becoming sub-carrier few one time, outfan connects at least two radio frequency chip, and wherein, each power distributes
Device corresponds to one or more frequency bands, and at least a power divider is corresponding to multiple frequency bands.
In order to solve above-mentioned technical problem, the embodiment of the present invention also provides for the reception signal of a kind of mobile terminal
Processing method, including:
The docking collection of letters number is filtered, and receives the filtered rear outputting multiplex signals of signal, wherein, Mei Yilu
Signal corresponds to a frequency band；
Power divider carries out power distribution to the signal of the corresponding frequency band of input, and each road signal is through power
Exporting at least two paths of signals after distribution, in described at least two paths of signals, the composition of each road signal is identical, institute
State at least in two paths of signals each road signal all comprise a main constituent carrier wave and become sub-carrier with at least one time,
Wherein, each power divider corresponds to one or more frequency bands, at least a power divider pair
Should be in multiple frequency bands；
After power distribution, the described at least two paths of signals of output transmits to radio frequency chip.
In order to solve above-mentioned technical problem, the embodiment of the present invention also provides for a kind of mobile terminal, including above-mentioned
The reception signal processing system of mobile terminal.
Optionally, described mobile terminal is smart mobile phone.
In order to solve above-mentioned technical problem, the embodiment of the present invention also provides for a kind of mobile terminal, including above-mentioned
The method for processing received signal of mobile terminal.
Compared with prior art, technical scheme has the advantages that
For supporting the mobile terminal of LTE-A technology, during realizing carrier aggregation, a power
Allotter corresponds to multiple frequency bands, and the power of the signal of the most multiple frequency bands shares out the work can be by same merit
Rate allotter completes.Thus greatly reduce required number of elements (the especially number of power divider
Amount), simplify circuit, under the present situation that PCB space is the most crowded, reduce layout difficulty.Also simultaneously
Greatly reduce the receiving port number of radio frequency chip, reduce the design complexities of radio frequency chip.
Further, signal, before ingoing power allotter, first passes through low-noise amplifier and carries out low noise
Sound amplifies, and low-noise amplifier has multiple input.Thus both compensate for the letter that power divider brings
Number amplitude fading, eliminate again simultaneously single pole multiple throw (current power divider is typically single input,
So that single pole multiple throw, low-noise amplifier then has multi input), further simplify circuit.
Further, multiple frequency bands of corresponding same power divider are adjacent frequency bands.There is low noise
In the case of acoustic amplifier, owing to low-noise amplifier and single pole multiple throw all can be as broadband devices
Part uses, and i.e. can cover the frequency band that multiple frequency is close, thus the reality of technical solution of the present invention of being more convenient for
Execute.
Accompanying drawing explanation
Fig. 1 is the reception signal processing system structured flowchart of mobile terminal in prior art；
Fig. 2 is the reception signal processing system structured flowchart of mobile terminal in the embodiment of the present invention；
Fig. 3 is the reception signal processing system structured flowchart of mobile terminal in another embodiment of the present invention；
Fig. 4 is the reception signal processing system structured flowchart of mobile terminal in another embodiment of the present invention；
Fig. 5 is the method for processing received signal flow chart of mobile terminal in the embodiment of the present invention.
Detailed description of the invention
According to the analysis of background section, in prior art, for supporting the shifting of LTE-A technology
For dynamic terminal, it is achieved carrier aggregation needs to configure a power for the path that each frequency band is corresponding and divides
Orchestration, required number of elements is more, and the PCB space that power divider takies is bigger.At PCB
Under the present situation that space is the most crowded, layout difficulty is bigger.
Simultaneously as need the signal that each road signal is divided into more than two-way or two-way to transmit to radio frequency core
Sheet, thus the receiving port number needed for radio frequency chip also can increase exponentially, increases setting of radio frequency chip
Meter complexity.
Meanwhile, the signal width of each road signal in the two paths of signals that signal exports after power divider is received
Certain decay can be there is and (as a example by dual carrier, there is declining of 3dB in theory in degree relative to original signal
Subtracting, the most each road signal only has the 1/2 of original signal, about has the decay of about 3.25dB in practice).
And the increase of the composition variable number along with polymerization, such as three carrier waves, above-mentioned signal amplitude
Attenuation degree can be bigger.
Inventor finds the most afterwards: in frequency band under aggregation scheme, owing to two (or multiple) are descending
Carrier wave is separated by not far in frequency, thus is difficult to be separated by wave filter.In the case, before radio frequency
In end, by power divider, signal can only be distributed to PCC radio frequency chip and SCC radio frequency chip at present,
Distinguish inside radio frequency chip again and process the signal received, in the process, power divider respectively
Cannot save.Inventor proposes: the signal path of multiple frequency bands, the most multiple adheres to frequency phase separately
The signal path of near different frequency bands, can use same power divider, thus greatly reduce required
The quantity of power divider, simplify circuit, under the present situation that PCB space is the most crowded, reduce
Layout difficulty.Also greatly reduce the receiving port number of radio frequency chip simultaneously, reduce setting of radio frequency chip
Meter complexity.
For making those skilled in the art be more fully understood that and realizing the present invention, referring to the drawings, by tool
Body embodiment is described in detail.
Embodiment one
As described below, the embodiment of the present invention provides the reception signal processing system of a kind of mobile terminal.
The reception signal processing system of the mobile terminal provided in the present embodiment, it is adaptable to such as intelligence hands
The mobile terminals such as machine.
This mobile terminal is able to receive that LTE signal, and utilizes carrier aggregation technology to will be dispersed in frequency spectrum
Multiple independent bandwidth combination of resources, thus increase reality and can provide the system bandwidth of utilization.
The present embodiment relates to the LTE signal that mobile terminal receives and uses implementing of carrier aggregation technology
Mode.
Reception signal processing system structured flowchart with reference to the mobile terminal shown in Fig. 2.
The reception signal processing system of mobile terminal specifically includes that multiple wave filter, low-noise amplifier (Low
Noise Amplifier, LNA) and power divider；Wherein:
The Main Function of multiple wave filter is as follows: input receives signal, filters the reception signal of input
Ripple, receives the filtered rear outputting multiplex signals of signal, and wherein, each road signal corresponds to a frequency band.
In being embodied as, described reception signal can be LTE signal.But also it is not excluded for other types
Reception signal be filtered.
In the plurality of wave filter, each wave filter is single-input single-output, specifically can use high property
Can wave filter.
Input signal can be separated by wave filter according to the difference of frequency, filters unwanted by frequency band
Interference signal, the signal of output different frequency bands (each frequency band is corresponding to the signal of certain frequency scope).
Wherein, each road signal corresponds to a frequency band.
The signal of wave filter output is as the original signal in carrier aggregation technology, and rear extended meeting is by power divider
Signal is divided into the signal of more than two-way or two-way.
The Main Function of low-noise amplifier is as follows: the signal of the corresponding frequency band of input, enters the signal of input
Row low noise amplification, the signal after output low noise amplification.
Carrier aggregation technology needs to be divided into by signal the signal of more than two-way or two-way by power divider,
As background section is analyzed, receive in the two paths of signals that signal exports after power divider every
Certain decay can be there is and (as a example by dual carrier, manage in the signal amplitude of one road signal relative to original signal
There is the decay of 3dB in opinion, the most each road signal only has the 1/2 of original signal, about has in practice
The decay of about 3.25dB).And the increase of the composition variable number along with polymerization, such as three carrier waves
Speech, the attenuation degree of above-mentioned signal amplitude can be bigger.
Therefore, signal, before ingoing power allotter, first passes through low-noise amplifier and carries out low noise and put
Greatly, the signal amplitude decay that power divider brings can be made up.
Current power divider is typically single input, and low-noise amplifier then has multi input.Such as Fig. 2
Shown in, use the low-noise amplifier with multiple input, can make up what power divider brought
While signal amplitude decay, another and eliminate single pole multiple throw, thus simplify circuit further.
In being embodied as, the low-noise amplifier that can be whole is respectively provided with multiple input, it is also possible to
It is that low-noise amplifier partly has multiple input.
As it is shown on figure 3, in another embodiment, it would however also be possible to employ the low-noise amplifier of single input,
The input of low-noise amplifier inputs multiple signals via single pole multiple throw.
In being embodied as, can be that whole low-noise amplifiers connects single pole multiple throw, it is also possible to
It it is the low-noise amplifier connection single pole multiple throw of part.
In being embodied as, the quantity of described low-noise amplifier is one or more.
The signal transmission of output after low-noise amplifier amplifies is to corresponding power divider, wherein, often
One low-noise amplifier is corresponding to a power divider.
The Main Function of power divider is as follows: the signal after the corresponding frequency band low noise amplification of input, to defeated
Signal after the low noise amplification entered carries out power distribution, and the signal after the low noise amplification of each road is through power
Exporting at least two paths of signals after distribution, in described at least two paths of signals, the composition of each road signal is identical, institute
State at least in two paths of signals each road signal all comprise a main constituent carrier wave and become sub-carrier with at least one time,
Wherein, each power divider corresponds to one or more frequency bands, at least a power divider pair
Should be in multiple frequency bands.
Power divider does not generally have the function of frequency separation, each road in described at least two paths of signals
The composition of signal is identical, and follow-up needs are by radio frequency chip (i.e. PCC radio frequency chip and SCC radio frequency chip)
Distinguish, extract, process corresponding Carrier section.
According to the difference (can be such as dual carrier or three carrier waves etc.) of the composition variable number of polymerization, power
Signal after the low noise amplification of input is divided into the signal of more than two-way or two-way, each of which by allotter
Road signal all comprises a main constituent carrier wave and becomes sub-carrier with at least one time.As a example by three carrier waves, the most poly-
The number becoming sub-carrier closed is three, needs to process in three different radio frequency chips, then power divides
Each road signal of input is divided into three road signals, the described three each roads of road signal all to comprise a master by orchestration
Become sub-carrier and become sub-carrier two times.
Being with the difference of prior art: in the present embodiment, each power divider corresponds to one
Individual or multiple frequency bands, at least a power divider is corresponding to multiple frequency bands.It is to say, multiple frequencies
The power of the signal of band shares out the work and can be completed by same power divider.
In being embodied as, can be that each power divider both corresponds to multiple frequency band, it is also possible to be
The power divider of part is corresponding to multiple frequency bands.Number of frequency bands corresponding to each power divider can
To be equal, such as each power divider both corresponds to 5 frequency bands, it is also possible to be,
Such as some power divider corresponds to 5 frequency bands, and some power divider is corresponding to 7 frequency bands etc..
In being embodied as, multiple frequency bands of corresponding same power divider can be adjacent frequency band.?
In the case of there is low-noise amplifier, owing to low-noise amplifier and single pole multiple throw all can conducts
Wide frequency band device uses, and i.e. can cover the frequency band that multiple frequency is close, thus the technology of the present invention of being more convenient for
The enforcement of scheme.
In being embodied as, the power of the signal after the low noise amplification of input is entered by described power divider
Row mean allocation.
The quantity of power divider there is no strict restriction, uses one or more power divider in theory
It is all feasible.
Two-way or the above signal of two-way of power divider output transmit two or more radio frequency chips,
The number of radio frequency chip is identical with the number of the number of the signal that power divider exports and one-tenth sub-carrier,
The composition transmitting the signal to each radio frequency chip is identical.Under normal circumstances, different radio frequency chips is only
The different special component carrier wave in the signal received can be processed, and ignore remaining the most treatable composition
Carrier wave.
Radio frequency chip to the main constituent carrier wave received with time become after sub-carrier processes, transmit to base
Microarray strip.
By above to the description of technical scheme it can be seen that in the present embodiment, for supporting LTE-A skill
The mobile terminal of art, during realizing carrier aggregation, a power divider corresponds to multiple frequency bands,
The power of the signal of the most multiple frequency bands shares out the work and can be completed by same power divider.Thus it is big
Decrease greatly required number of elements (the especially quantity of power divider), simplify circuit, at PCB
Under the present situation that space is the most crowded, reduce layout difficulty.Also greatly reduce connecing of radio frequency chip simultaneously
Receive port number, reduce the design complexities of radio frequency chip.
Embodiment two
As described below, the embodiment of the present invention provides the reception signal processing system of a kind of mobile terminal.
Reception signal processing system structured flowchart with reference to the mobile terminal shown in Fig. 4.
The reception signal processing system of mobile terminal specifically includes that multiple wave filter and power divider；Its
In:
Multiple wave filter, are suitable to input and receive signal, be filtered the reception signal of input, receive letter
Number filtered rear outputting multiplex signals, wherein, each road signal corresponds to a frequency band；
Power divider, is suitable to input the signal of corresponding frequency band, the signal of input is carried out power distribution,
Each road signal exports at least two paths of signals after power distributes, each road letter in described at least two paths of signals
Number composition identical, in described at least two paths of signals, each road signal all comprises a main constituent carrier wave and extremely
Becoming sub-carrier few one time, outfan connects at least two radio frequency chip, and wherein, each power distributes
Device corresponds to one or more frequency bands, and at least a power divider is corresponding to multiple frequency bands.
It is with the difference of embodiment one, in the present embodiment, is provided without low-noise amplifier, power
Allotter carries out power distribution to the signal without low noise amplification.
Current power divider is the most all single input.The input of power divider can be via hilted broadsword
Multithrow switch input multiple signals, thus the power realizing the signal of multiple frequency band share out the work can by with
One power divider completes.
Part same or analogous with embodiment one is referred to the related description in embodiment one, the most not
Repeat again.
By above to the description of technical scheme it can be seen that in the present embodiment, for supporting LTE-A skill
The mobile terminal of art, during realizing carrier aggregation, a power divider corresponds to multiple frequency bands,
The power of the signal of the most multiple frequency bands shares out the work and can be completed by same power divider.Thus it is big
Decrease greatly required number of elements (the especially quantity of power divider), simplify circuit, at PCB
Under the present situation that space is the most crowded, reduce layout difficulty.Also greatly reduce connecing of radio frequency chip simultaneously
Receive port number, reduce the design complexities of radio frequency chip.
Embodiment three
As described below, the embodiment of the present invention provides the method for processing received signal of a kind of mobile terminal.
The method for processing received signal of the mobile terminal provided in the present embodiment, it is adaptable to such as intelligence hands
The mobile terminals such as machine.
This mobile terminal is able to receive that LTE signal, and utilizes carrier aggregation technology to will be dispersed in frequency spectrum
Multiple independent bandwidth combination of resources, thus increase reality and can provide the system bandwidth of utilization.
The present embodiment relates to the LTE signal that mobile terminal receives and uses implementing of carrier aggregation technology
Mode.
Method for processing received signal flow chart with reference to the mobile terminal shown in Fig. 5.Below by way of concrete step
Suddenly it is described in detail:
S501, the docking collection of letters number is filtered, and receives the filtered rear outputting multiplex signals of signal.
Wherein, each road signal corresponds to a frequency band.
In being embodied as, described reception signal is the LTE signal received.
S502, power divider carries out power distribution, each road signal to the signal of the corresponding frequency band of input
At least two paths of signals is exported after power distributes.
Wherein, in described at least two paths of signals, the composition of each road signal is identical, described at least two paths of signals
In each road signal all comprise a main constituent carrier wave with at least one time become sub-carrier.
Wherein, each power divider corresponds to one or more frequency bands, at least a power distribution
Device corresponds to multiple frequency bands.
In being embodied as, multiple frequency bands of corresponding same power divider are adjacent frequency bands.
In being embodied as, the input of all or part of power divider is defeated via single pole multiple throw
Enter multiple signals.
In being embodied as, the power of the signal of input is distributed equally by the distribution of described power.
In being embodied as, in described at least two paths of signals, the amplitude of each road signal is equal, described at least
Two radio frequency chips include a PCC radio frequency chip and at least one SCC radio frequency chip, wherein:
PCC radio frequency chip, is suitable to process main constituent carrier wave, ignores time one-tenth sub-carrier；
SCC radio frequency chip, is suitable to process its specific time can processed and becomes sub-carrier, ignore main constituent
Carrier wave becomes sub-carrier with other times.
The number of the signal that the number of radio frequency chip exports with power divider and become the number of sub-carrier
Identical.
In being embodied as, the quantity of described power divider is one or more.
S503, after power distribution, the described at least two paths of signals of output transmits to radio frequency chip.
Radio frequency chip to the main constituent carrier wave received with time become after sub-carrier processes, transmit to base
Microarray strip.
By above to the description of technical scheme it can be seen that in the present embodiment, for supporting LTE-A skill
The mobile terminal of art, during realizing carrier aggregation, a power divider corresponds to multiple frequency bands,
The power of the signal of the most multiple frequency bands shares out the work and can be completed by same power divider.Thus it is big
Decrease greatly required number of elements (the especially quantity of power divider), simplify circuit, at PCB
Under the present situation that space is the most crowded, reduce layout difficulty.Also greatly reduce connecing of radio frequency chip simultaneously
Receive port number, reduce the design complexities of radio frequency chip.
Embodiment four
As described below, the embodiment of the present invention provides a kind of mobile terminal.
Described mobile terminal is able to receive that LTE signal, and utilizes carrier aggregation technology to will be dispersed in frequency spectrum
Multiple independent bandwidth combination of resources, thus increase reality and can provide the system bandwidth of utilization.
It is with the difference of prior art:
In one embodiment, this mobile terminal also includes the mobile end as provided in the embodiment of the present invention
The reception signal processing system of end.
In another embodiment, this mobile terminal also includes the movement as provided in the embodiment of the present invention
The method for processing received signal of terminal.
Thus this mobile terminal is during realizing carrier aggregation, a power divider is corresponding to multiple
Frequency band, the power of the signal of the most multiple frequency bands shares out the work and can be completed by same power divider.
Thus greatly reduce required number of elements (the especially quantity of power divider), simplify circuit,
Under the present situation that PCB space is the most crowded, reduce layout difficulty.Also greatly reduce radio frequency core simultaneously
The receiving port number of sheet, reduces the design complexities of radio frequency chip.
In being embodied as, described mobile terminal can be smart mobile phone.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Suddenly the program that can be by completes to instruct relevant hardware, and this program can be stored in a computer can
Reading in storage medium, storage medium may include that ROM, RAM, disk or CD etc..
Although present disclosure is as above, but the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, all can make various changes or modifications, therefore the guarantor of the present invention
The scope of protecting should be as the criterion with claim limited range.
Claims (28)
1. the reception signal processing system of a mobile terminal, it is characterised in that including:
Multiple wave filter, are suitable to input and receive signal, be filtered the reception signal of input, receive letter
Number filtered rear outputting multiplex signals, wherein, each road signal corresponds to a frequency band；
Low-noise amplifier, is suitable to input the signal of corresponding frequency band, the signal inputted is carried out low noise and puts
Greatly, the signal after output low noise amplification, outfan connects the input of corresponding power divider, its
In, each low-noise amplifier corresponds to a power divider；
Power divider, is suitable to the signal after inputting corresponding frequency band low noise amplification, the low noise to input
Signal after amplification carries out power distribution, and the signal after the low noise amplification of each road exports after power distributes
At least two paths of signals, in described at least two paths of signals, the composition of each road signal is identical, described at least two-way
In signal each road signal all comprise a main constituent carrier wave with at least one time become sub-carrier, outfan company
Connecing at least two radio frequency chip, wherein, each power divider corresponds to one or more frequency bands, extremely
A rare power divider corresponds to multiple frequency bands.
2. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that corresponding same
Multiple frequency bands of one power divider are adjacent frequency bands.
3. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that part or
Whole low-noise amplifiers has multiple input, inputs multiple signals by multiple inputs.
4. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that part or
The input of whole low-noise amplifiers inputs multiple signals via single pole multiple throw.
5. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that described merit
The power of the signal after the low noise amplification of input is distributed equally by rate allotter.
6. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that described extremely
In few two paths of signals, the amplitude of each road signal is equal, and described at least two radio frequency chip includes one
PCC radio frequency chip and at least one SCC radio frequency chip, wherein:
PCC radio frequency chip, is suitable to process main constituent carrier wave, ignores time one-tenth sub-carrier；
SCC radio frequency chip, is suitable to process its specific time can processed and becomes sub-carrier, ignore main constituent
Carrier wave becomes sub-carrier with other times.
7. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that described in connect
The collection of letters number is the LTE signal received.
8. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that described merit
The quantity of rate allotter is one or more.
9. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that described many
In individual wave filter, each wave filter is single-input single-output, each filter in the plurality of wave filter
Ripple device is high performance filter.
10. the reception signal processing system of mobile terminal as claimed in claim 1, it is characterised in that described low
The quantity of noise amplifier is one or more.
The reception signal processing system of 11. 1 kinds of mobile terminals, it is characterised in that including:
Multiple wave filter, are suitable to input and receive signal, be filtered the reception signal of input, receive letter
Number filtered rear outputting multiplex signals, wherein, each road signal corresponds to a frequency band；
Power divider, is suitable to input the signal of corresponding frequency band, the signal of input is carried out power distribution,
Each road signal exports at least two paths of signals after power distributes, each road letter in described at least two paths of signals
Number composition identical, in described at least two paths of signals, each road signal all comprises a main constituent carrier wave and extremely
Becoming sub-carrier few one time, outfan connects at least two radio frequency chip, and wherein, each power distributes
Device corresponds to one or more frequency bands, and at least a power divider is corresponding to multiple frequency bands.
The reception signal processing system of 12. mobile terminals as claimed in claim 11, it is characterised in that corresponding same
Multiple frequency bands of one power divider are adjacent frequency bands.
The reception signal processing system of 13. mobile terminals as claimed in claim 11, it is characterised in that part or
The input of whole power dividers inputs multiple signals via single pole multiple throw.
The reception signal processing system of 14. mobile terminals as claimed in claim 11, it is characterised in that described merit
The power of the signal of input is distributed equally by rate allotter.
The reception signal processing system of 15. mobile terminals as claimed in claim 11, it is characterised in that described extremely
In few two paths of signals, the amplitude of each road signal is equal, and described at least two radio frequency chip includes one
PCC radio frequency chip and at least one SCC radio frequency chip, wherein:
PCC radio frequency chip, is suitable to process main constituent carrier wave, ignores time one-tenth sub-carrier；
SCC radio frequency chip, is suitable to process its specific time can processed and becomes sub-carrier, ignore main constituent
Carrier wave becomes sub-carrier with other times.
The reception signal processing system of 16. mobile terminals as claimed in claim 11, it is characterised in that described in connect
The collection of letters number is the LTE signal received.
The reception signal processing system of 17. mobile terminals as claimed in claim 11, it is characterised in that described merit
The quantity of rate allotter is one or more.
The reception signal processing system of 18. mobile terminals as claimed in claim 11, it is characterised in that described many
In individual wave filter, each wave filter is single-input single-output, each filter in the plurality of wave filter
Ripple device is high performance filter.
The method for processing received signal of 19. 1 kinds of mobile terminals, it is characterised in that including:
The docking collection of letters number is filtered, and receives the filtered rear outputting multiplex signals of signal, wherein, Mei Yilu
Signal corresponds to a frequency band；
Power divider carries out power distribution to the signal of the corresponding frequency band of input, and each road signal is through power
Exporting at least two paths of signals after distribution, in described at least two paths of signals, the composition of each road signal is identical, institute
State at least in two paths of signals each road signal all comprise a main constituent carrier wave and become sub-carrier with at least one time,
Wherein, each power divider corresponds to one or more frequency bands, at least a power divider pair
Should be in multiple frequency bands；
After power distribution, the described at least two paths of signals of output transmits to radio frequency chip.
The method for processing received signal of 20. mobile terminals as claimed in claim 19, it is characterised in that corresponding same
Multiple frequency bands of one power divider are adjacent frequency bands.
The method for processing received signal of 21. mobile terminals as claimed in claim 19, it is characterised in that part or
The input of whole power dividers inputs multiple signals via single pole multiple throw.
The method for processing received signal of 22. mobile terminals as claimed in claim 19, it is characterised in that described merit
The power of the signal of input is distributed equally by rate distribution.
The method for processing received signal of 23. mobile terminals as claimed in claim 19, it is characterised in that described extremely
In few two paths of signals, the amplitude of each road signal is equal, and described at least two radio frequency chip includes one
PCC radio frequency chip and at least one SCC radio frequency chip, wherein:
PCC radio frequency chip, is suitable to process main constituent carrier wave, ignores time one-tenth sub-carrier；
SCC radio frequency chip, is suitable to process its specific time can processed and becomes sub-carrier, ignore main constituent
Carrier wave becomes sub-carrier with other times.
The method for processing received signal of 24. mobile terminals as claimed in claim 19, it is characterised in that described in connect
The collection of letters number is the LTE signal received.
The method for processing received signal of 25. mobile terminals as claimed in claim 19, it is characterised in that described merit
The quantity of rate allotter is one or more.
26. 1 kinds of mobile terminals, it is characterised in that include the movement as according to any one of claim 1 to 10
The reception signal processing system of terminal, or include as according to any one of claim 11 to 18
The reception signal processing system of mobile terminal.
27. mobile terminals as claimed in claim 26, it is characterised in that described mobile terminal is smart mobile phone.
28. 1 kinds of mobile terminals, it is characterised in that use the shifting as according to any one of claim 19 to 25
The LTE signal received is processed by the method for processing received signal of dynamic terminal.
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