CN106027446A - Multi-carrier expansion processing method and system, and devices - Google Patents
Multi-carrier expansion processing method and system, and devices Download PDFInfo
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- CN106027446A CN106027446A CN201610338682.6A CN201610338682A CN106027446A CN 106027446 A CN106027446 A CN 106027446A CN 201610338682 A CN201610338682 A CN 201610338682A CN 106027446 A CN106027446 A CN 106027446A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
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Abstract
The invention relates to a multi-carrier expansion processing method and system, and devices. According to the multi-carrier expansion processing method and system, and devices, IQ modulation is carried out on to-be-sent data at a sender end; each group of single-carrier single-time-slot IQ data and corresponding shift factor thereof are obtained; multi-carrier same-time-slot zooming IQ data is obtained by employing a time slot dynamic interception method and by setting carrier serial number identifiers, and further power correction and digital upper conversion are carried out, thereby finishing multi-carrier expansion processing at the sender end. At the sender end, the data sent by the sender end is demodulated and decoded by employing the time slot dynamic interception method and by setting the carrier serial number identifiers. On the basis of an RPDIF interface, carrier expansion is easy to carry out on the RPDIF interface, and the performance demand of the system is satisfied. Moreover, the multi-carrier expansion processing method and system, and devices do not influence transceiving of the normal uplinks and downlinks of the sender end and the receiver end, and have good compatibility.
Description
Technical field
The present invention relates to digital communication technology field, particularly relate to a kind of multi-carrier expansion processing method, dress
Put and system.
Background technology
Global system for mobile communications (Global System for Mobile Communication, GSM) existing
Network exist hot spot region off-capacity, the volume of business demand that sharp increase cannot be met and due to property coordinate
Difficult and cause the degree of depth to cover not enough, room and divide and receive the problems such as traffic capabilities is more weak, the network capacity extension is restricted.
Meanwhile, in conventional mobile communications engineering construction, often have that construction is big, the duration is nervous, addressing
The features such as difficulty, for alleviating the problems referred to above in good time, operator's installation big to capacity, easy and the honeybee of low cost
Nest base station products is extremely paid close attention to.
Mindspeed company is proposed a low-cost and high-performance communication processor T2200, and it is a integrated
The ARM core of two Cortex A9 and four core processors of two Ceva DSP core, particularly its high-performance
Vector DSP core CEVA-XC323 is integrated with high accuracy vector communications unit, incorporates common calculation module
With two parts of vectors calculation module, by the data of general information processing and vector quantization are separated,
Thus higher levels of instruction level parallel processing ability is provided.It addition, T2200 has RPDIF interface, props up
Multiple peripheral modules such as PCIe interface and the expansion bus interface of holding 1 × 1 or 1 × 4 passage.
PCIe interface has that passage is many, speed is up to the features such as 5.0Gbps, is T2200 and other devices enter
Row interconnection interface, need by have the fpga chip of PCIe interface bridge module realize T2200 with
Data transmission between other devices.The advantage of PCIe interface is that interface is simple, is prone to multi-carrier expansion, shortcoming
It is that FPGA must have PCIe interface bridge module, relatively costly.
RPDIF interface has the data channel of 12 bit wides, and speed is up to 2.0Gbps, be T2200 and other
Device carries out the interface interconnected, general employing fpga chip software simulation RPDIF interface, it is achieved T2200
And data transmission between other devices.The advantage of RPDIF interface is that FPGA can connect with software simulation RPDIF
Mouthful, it is not necessary to other special interface bridge connection modules, shortcoming is that carrier wave sequence number differentiation is difficult, it is many to be not easy to
Carrier wave dilatation.
Summary of the invention
Based on this, it is necessary to the problem being not easy to multi-carrier expansion for RPDIF interface, it is provided that a kind of overloading
Ripple dilatation processing method, Apparatus and system.The present invention is by arranging carrier identification and utilizing time slot dynamically to cut
The method of position so that RPDIF interface is prone to dilatation carrier wave and meets system performance requirements.
For solving the problems referred to above, the present invention takes following technical scheme:
A kind of multi-carrier expansion processing method, said method comprising the steps of:
First signal processing unit carries out IQ modulation to data to be sent, obtains each group of single carrier list time slot IQ
Data, calculate the translocation factor that single carrier list time slot I/Q data described in each group is corresponding respectively, and according to described shifting
Location factor each I datum in corresponding described single carrier list time slot I/Q data and Q data are carried out displacement and
Cut position, obtains the scaling I/Q data that single carrier list time slot I/Q data described in each group is corresponding, carrier wave sequence number is inserted
Enter after scaling I/Q data described in each group, obtain multicarrier and scale I/Q data with time slot, at described first signal
Described multicarrier is sent to secondary signal processing unit with time slot scaling I/Q data by reason unit；
Described secondary signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described secondary signal processing unit is sent to radio frequency after described correction I/Q data is carried out Digital Up Convert process and sends out
Send unit；
Described correction I/Q data after Digital Up Convert is processed by described radio frequency transmitting element sends to receiver
End.
A kind of multi-carrier expansion processing method, said method comprising the steps of:
Rf receiver unit receives the data that transmitter end sends, and sends the data at the 3rd signal
Reason unit；
Described 3rd signal processing unit receives described data and described data is carried out Digital Down Convert process,
Obtain each group of single carrier list time slot I/Q data, calculate single carrier list time slot I/Q data described in each group respectively corresponding
Translocation factor, and according to each in corresponding described single carrier list time slot I/Q data of described translocation factor
I datum and Q data carry out shifting and cut position, obtain the contracting that single carrier list time slot I/Q data described in each group is corresponding
Put I/Q data, after scaling I/Q data described in each group of carrier wave sequence number insertion, obtain multicarrier and scale with time slot
I/Q data, described multicarrier is sent to the 4th letter with time slot scaling I/Q data by described 3rd signal processing unit
Number processing unit；
Described 4th signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described 4th signal processing unit is demodulated decoding process to described correction I/Q data.
Correspondingly, the present invention also proposes the dispensing device in a kind of multi-carrier expansion processing system, described transmission
Device includes the first signal processing unit, secondary signal processing unit and the radio frequency transmitting element being sequentially connected with,
Described first signal processing unit carries out IQ modulation to data to be sent, obtains each group of single carrier list time slot
I/Q data, calculates the translocation factor that single carrier list time slot I/Q data described in each group is corresponding respectively, and according to described
Each I datum in corresponding described single carrier list time slot I/Q data and Q data are shifted by translocation factor
And cut position, obtain the scaling I/Q data that single carrier list time slot I/Q data described in each group is corresponding, by carrier wave sequence number
Insert after scaling I/Q data described in each group, obtain multicarrier and scale I/Q data, described first signal with time slot
Described multicarrier is sent to secondary signal processing unit with time slot scaling I/Q data by processing unit；
Described secondary signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described secondary signal processing unit is sent to radio frequency after described correction I/Q data is carried out Digital Up Convert process and sends out
Send unit；
Described correction I/Q data after Digital Up Convert is processed by described radio frequency transmitting element sends to receiver
End.
Reception device in a kind of multi-carrier expansion processing system, described reception device includes that be sequentially connected with penetrates
Frequency receives unit, the 3rd signal processing unit and the 4th signal processing unit,
Described rf receiver unit receives the data that transmitter end sends, and sends the data to the 3rd letter
Number processing unit；
Described 3rd signal processing unit receives described data and described data is carried out Digital Down Convert process,
Obtain each group of single carrier list time slot I/Q data, calculate single carrier list time slot I/Q data described in each group respectively corresponding
Translocation factor, and according to each in corresponding described single carrier list time slot I/Q data of described translocation factor
I datum and Q data carry out shifting and cut position, obtain the contracting that single carrier list time slot I/Q data described in each group is corresponding
Put I/Q data, after scaling I/Q data described in each group of carrier wave sequence number insertion, obtain multicarrier and scale with time slot
I/Q data, described multicarrier is sent to the 4th letter with time slot scaling I/Q data by described 3rd signal processing unit
Number processing unit；
Described 4th signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described 4th signal processing unit is demodulated decoding process to described correction I/Q data.
Meanwhile, the present invention also proposes a kind of transmission included in multi-carrier expansion processing system as above dress
Put and the multi-carrier expansion processing system receiving device in multi-carrier expansion processing system as above.
Above-mentioned multi-carrier expansion processing method, Apparatus and system are at transmitter end, by entering data to be sent
Row IQ modulates, it is thus achieved that each group single carrier list time slot I/Q data and the translocation factor of correspondence thereof, and utilizes time slot
Dynamically cut position and carrier wave sequence number mark is set obtains multicarrier and scale I/Q data with time slot, further across merit
After rate correction and Digital Up Convert process, the multi-carrier expansion completing transmitter end processes, correspondingly,
Receiver end, utilizes the method for the dynamic cut position of time slot and arranges carrier wave sequence number mark, it is achieved to transmitter end
The demodulating and decoding of the data sent processes.Multi-carrier expansion processing method, device proposed by the invention and be
System can on the basis of RPDIF interface, make RPDIF interface be prone to dilatation carrier wave and meet systematic function want
Asking, this multi-carrier expansion processing method, Apparatus and system with receiver end are not just affecting transmitter end in addition
Often the transmitting-receiving of uplink downlink, has good compatibility.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of multi-carrier expansion processing method in one of them embodiment of the present invention；
Fig. 2 is the schematic flow sheet of multi-carrier expansion processing method in another embodiment of the present invention；
Fig. 3 is that in one of them embodiment of the present invention, in multi-carrier expansion processing system, the structure of dispensing device is shown
It is intended to；
Fig. 4 is that the structure receiving device in one of them embodiment of the present invention in multi-carrier expansion processing system is shown
It is intended to.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, technical scheme is described in detail.
Wherein in an embodiment, shown in Figure 1, a kind of multi-carrier expansion processing method, the method
Comprise the following steps:
S110 the first signal processing unit carries out IQ modulation to data to be sent, obtains each group of single carrier list time slot
I/Q data, calculates the translocation factor that single carrier list time slot I/Q data described in each group is corresponding respectively, and according to described
Each I datum in corresponding described single carrier list time slot I/Q data and Q data are shifted by translocation factor
And cut position, obtain the scaling I/Q data that single carrier list time slot I/Q data described in each group is corresponding, by carrier wave sequence number
Insert after scaling I/Q data described in each group, obtain multicarrier and scale I/Q data, described first signal with time slot
Described multicarrier is sent to secondary signal processing unit with time slot scaling I/Q data by processing unit；
Secondary signal processing unit described in S120 receives and parses through described multicarrier and scales I/Q data, root with time slot
According to described carrier wave sequence number distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with
Single carrier list time slot I/Q data corresponding to described translocation factor carries out shifting power correction, obtains revising IQ number
According to, described secondary signal processing unit is sent to penetrate after described correction I/Q data is carried out Digital Up Convert process
Frequently transmitting element；
Described correction I/Q data after Digital Up Convert is processed by radio frequency transmitting element described in S130 sends to connecing
Receipts machine end.
The present embodiment sends data instance with transmitter end to receiver end, enters multi-carrier expansion processing method
Row describes in detail, specific as follows: so-called IQ modulation refers to data to be sent are divided into two-way, to two ways
According to carrying out carrier modulation respectively, and the two-way carrier wave obtained is mutually orthogonal, with homophase (in-phase, I) and just
Frequency is identical, the mutually orthogonal two-way carrier wave of phase 90 degree to hand over (quadrature, Q) to represent respectively,
Data to be sent are carried out IQ modulation, multiple concrete modulation system can be used, such as, utilize Gauss minimum
Frequency shift keying (Gaussian Filtered Minimum Shift Keying, GMSK) or 8 phase-shift keyings (8
Phase Shift Keying, 8PSK) data to be sent are modulated, wherein GMSK modulation mode tool
Have to hand in data streaming and first pass through a Gauss wave filter (pre-modulation filter) before frequency modulator and carry out
Premodulated filters, to reduce the saltus step energy during carrier switch of two different frequencies so that at identical number
Can become more close feature according to channel spacings during transfer rate, 8PSK modulation mode is then that one has
The higher availability of frequency spectrum, stronger anti-interference, conventional tune the most relatively simple in the realization of circuit
Mode processed.
After first signal processing unit carries out IQ modulation to data to be sent, obtain single carrier list time slot IQ number
According to, the first signal processing unit calculates each group of translocation factor corresponding to single carrier list time slot I/Q data respectively, its
Middle single carrier list time slot I/Q data refer to the I circuit-switched data by 16 and the Q circuit-switched data of 16 and synthesize 32
The data of position, translocation factor is for each I datum in corresponding single carrier list time slot I/Q data and Q number
Shift and cut position according to carrying out, the first signal processing unit through according to translocation factor to corresponding single carrier list
After gap I/Q data carries out Slot shift and cut position, obtain each group of scaling corresponding to single carrier list time slot I/Q data
I/Q data, after obtaining scaling I/Q data, carrier wave sequence number is inserted each group of scaling IQ by the first signal processing unit
After data, each group of scaling I/Q data with carrier wave sequence number constitutes multicarrier and scales I/Q data with time slot,
Now multicarrier is sent to the second processing unit with time slot scaling I/Q data by the first signal processing unit；
Secondary signal processing unit receives and parses through the multicarrier of the first signal processing unit transmission and scales with time slot
I/Q data, after distinguishing the I/Q data on different carrier, further according to each translocation factor to each translocation factor
Corresponding single carrier list time slot I/Q data carries out shifting power correction, obtains revising I/Q data, in this enforcement
In example, translocation factor is effectively equivalent to a scale value, in step 110, the first signal processing unit
Single carrier list time slot I/Q data is scaled, and carrier power is changed the most therewith, therefore in step
In S120, secondary signal processing unit needs to recover reduction single carrier list time slot IQ by displacement power correction
Data, to ensure data and the second processing unit received data phase that the first signal processing unit sent
Difference is very few, it is ensured that the concordance before and after data transmission, and secondary signal processing unit is to revising I/Q data number
Word up-conversion (Digital Up Converter, DUC) is sent to radio frequency transmitting element, wherein DUC after processing
Process refers in radio transmitting chain, and digital signal is after digital-to-analogue conversion becomes analogue signal, and simulation is believed
Number obtain the RF center frequency higher than primary signal through mixing, then analogue signal is amplified to suitable merit
Rate level, eventually passes antenna and launches, and therefore DUC process is to improve the radio frequency center of signal frequency
Rate is to launch through the radio-frequency front-end of transmitter end；
Finally, radio frequency transmitting element receives the correction I/Q data after the DUC process that the second processing unit sends,
And the correction I/Q data after being processed by DUC sends to receiver end..
The multi-carrier expansion processing method that the present embodiment is illustrated processes for the multi-carrier expansion of transmitter end,
By the first signal processing unit, data to be sent are carried out IQ modulation, it is thus achieved that each group single carrier list time slot IQ
Data and the translocation factor of correspondence thereof, the first signal processing unit utilizes the dynamic cut position of time slot and arranges carrier wave
Sequence number mark obtains multicarrier and scales I/Q data with time slot, further across the power correction of the second processing unit
And Digital Up Convert processes, then being transmitted by radio frequency transmitting element, the multicarrier completing transmitter end expands
Appearance process, the multi-carrier expansion processing method that the present embodiment is proposed can on the basis of RPDIF interface,
RPDIF interface is made to be prone to dilatation carrier wave and meet system performance requirements, in addition this multi-carrier expansion processing method
Do not affect the transmitting-receiving of transmitter end and the normal uplink downlink of receiver end, there is good compatibility.
As a kind of specific embodiment, after data to be sent are carried out IQ modulation, calculate each group of list respectively
The process of the translocation factor that carrier wave list time slot I/Q data is corresponding includes: calculate that descending calibration bit wide is corresponding each group
The power maximum of single carrier list time slot I/Q data；The power of each group of single carrier list time slot I/Q data is carried out
Statistics, obtains each group of power statistic value corresponding to single carrier list time slot I/Q data；According to power statistic value and merit
The ratio of rate maximum determines each single carrier list corresponding translocation factor of time slot I/Q data.Present embodiment with
Transmitter end descending transmission data instance, illustrates to obtain the detailed description of the invention of translocation factor, to be sent
Data carry out IQ modulation, after obtaining single carrier list time slot I/Q data, and reserved I datum and the bit wide of Q data
The highest M position in N, bit wide N of I datum and Q data will become N-M, and now bit wide N-M is i.e.
For descending calibration bit wide, calculate the power of single carrier list time slot I/Q data corresponding to descending calibration bit wide N-M
Maximum P1, as taken the bit wide N-M position on I road and Q road respectively, passes through I2+Q2Calculate power maximum
P1, and single carrier list time slot I/Q data on each carrier wave is carried out power statistic, when obtaining each group of single carrier list
Power statistic value P2 that gap I/Q data is corresponding, finally according to power statistic value P2 and power maximum P1
Ratio determines the translocation factor that each group of single carrier list time slot I/Q data is corresponding, such as by power statistic value P2 with
The ratio of power maximum P1 is as translocation factor, thus simplifies the calculating of translocation factor.
As a kind of specific embodiment, the process that carrier wave sequence number is inserted each group of scaling I/Q data includes:
Carrier wave sequence number is inserted in binary form I datum and the preset interface bit wide of Q data in gap scaling I/Q data
In highest order.In the present embodiment, it is assumed that the interface bit wide of I datum and Q data is N, reserved I datum
Behind the highest M position in bit wide N of Q data, bit wide N of I datum and Q data becomes N-M, its
Middle M is the highest order in bit wide N of I datum and Q data, and the figure place of this highest order can be according under reality
When row sends data, the concrete practical situation of transmitter end is set, and therefore M is preset interface bit wide
A high position, distinguishes being used for and carrier wave sequence number ID of each carrier wave of labelling inserts preset interface position in binary form
In wide highest order, consequently facilitating to the control of number of carrier wave and statistics.
As a kind of specific embodiment, the process that carrier wave sequence number is inserted scaling I/Q data also includes: sentence
Whether the disconnected carrier wave sequence number being currently inserted into is carrier wave sequence number maximum, the most then terminate the insertion of carrier wave sequence number,
Obtain multicarrier and scale I/Q data with time slot, after otherwise the carrier wave sequence number being currently inserted into being added 1 and being updated
Carrier wave sequence number, and the carrier wave sequence number after updating inserts next group scaling I/Q data, wherein carrier wave sequence number is maximum
Value is determined by the preset interface bit wide highest order of I datum and Q data in scaling I/Q data.Present embodiment exists
Add whether the carrier wave sequence number judging to be currently inserted into is load during carrier wave sequence number is inserted scaling I/Q data
The step that wave train number is maximum, if it is judged that the carrier wave sequence number for being currently inserted into is carrier wave sequence number maximum,
So after carrier wave sequence number is inserted scaling I/Q data, directly obtain multicarrier and scale I/Q data with time slot；
If it is judged that be not carrier wave sequence number maximum for being currently inserted into carrier wave sequence number, this represents also have single carrier list
Translocation factor corresponding to time slot I/Q data does not determines do not have translocation factor then cannot carry out follow-up to data
Displacement, cut position and power correction, therefore, present embodiment is for avoiding loss of data, simultaneously in order to keep number
According to concordance, whether the carrier wave sequence number being currently inserted into by judgement is that carrier wave sequence number maximum realizes logarithm
According to the detection of processing procedure, to improve the integrity of multi-carrier expansion process data.Wherein, can as one
The embodiment of row, determines according to the preset interface bit wide highest order of I datum and Q data in scaling I/Q data
Carrier wave sequence number maximum, behind the highest M position in bit wide N of reserved I datum and Q data, I datum and Q
Bit wide N of data becomes N-M, the highest order during wherein M is bit wide N of I datum and Q data, should
When the figure place of highest order can send data according to actual downstream, the concrete practical situation of transmitter end sets
Fixed, therefore M is preset interface bit wide highest order, i.e. can determine that carrier wave according to preset interface bit wide highest order
Number be 2MIndividual, therefore carrier wave sequence number maximum can determine according to preset interface bit wide highest order.
In another embodiment, shown in Figure 2, the present invention also proposes a kind of multi-carrier expansion process side
Method, the method comprises the following steps:
S210 rf receiver unit receives the data that transmitter end sends, and sends the data to the 3rd letter
Number processing unit；
Described in S220, the 3rd signal processing unit receives described data and carries out described data at Digital Down Convert
Reason, obtains each group of single carrier list time slot I/Q data, calculates single carrier list time slot I/Q data described in each group respectively
Corresponding translocation factor, and according to described translocation factor in corresponding described single carrier list time slot I/Q data
Each I datum and Q data carry out shifting and cut position, obtain single carrier list time slot I/Q data described in each group corresponding
Scaling I/Q data, carrier wave sequence number is inserted after scaling I/Q data described in each group, obtains the same time slot of multicarrier
Scaling I/Q data, described multicarrier is sent to by described 3rd signal processing unit with time slot scaling I/Q data
4th signal processing unit；
Described in S230, the 4th signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, root
According to described carrier wave sequence number distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with
Single carrier list time slot I/Q data corresponding to described translocation factor carries out shifting power correction, obtains revising IQ number
According to, described 4th signal processing unit is demodulated decoding process to described correction I/Q data.
The present embodiment receives, with receiver end, the multi-carrier expansion process data instance that transmitter end sends, to many
Carrier wave dilatation processing method is described in detail, specific as follows:
After rf receiver unit receives the data that transmitter end sends, the data received are sent to the 3rd letter
Number processing unit；
3rd signal processing unit receives the data that rf receiver unit sends, and carries out the data received
Digital Down Convert (Digital Down Converter, DDC) processes, to reduce the mid frequency of signal,
To each group of single carrier list time slot I/Q data, the 3rd signal processing unit calculates each group of single carrier list time slot IQ respectively
The translocation factor that data are corresponding, wherein single carrier list time slot I/Q data refers to by the I circuit-switched data and 16 of 16
The Q circuit-switched data of position and the data of synthesize 32, translocation factor is for corresponding single carrier list time slot IQ
Each I datum and Q data in data carry out shifting and cut position, and the 3rd signal processing unit is through according to shifting
Location factor carries out Slot shift and cut position to corresponding single carrier list time slot I/Q data, obtains scaling I/Q data
After, after carrier wave sequence number is inserted scaling I/Q data by the 3rd processing unit, each group of scaling IQ with carrier wave sequence number
Data constitute multicarrier and scale I/Q data with time slot, and now multicarrier is scaled by the 3rd processing unit with time slot
I/Q data is sent to the 4th signal processing unit；
4th signal processing unit receives and parses through the multicarrier of the 3rd signal processing unit transmission and scales with time slot
I/Q data, after distinguishing the I/Q data on different carrier, further according to each translocation factor to each translocation factor
Corresponding single carrier list time slot I/Q data carries out shifting power correction, obtains revising I/Q data, in this enforcement
In example, translocation factor is effectively equivalent to a scale value, in a step 220, the 3rd signal processing unit
Single carrier list time slot I/Q data is scaled, and carrier power is changed the most therewith, therefore in step
In S230, the 4th signal processing unit needs to recover reduction single carrier list time slot IQ by displacement power correction
Data, to ensure the number that the data that the 3rd signal processing unit is sent are received with the 4th signal processing unit
According to very nearly the same, it is ensured that the concordance before and after data transmission, finally, the 4th signal processing unit is to revising IQ
Data are demodulated decoding process, obtain corresponding data.
The multi-carrier expansion processing method that the present embodiment is illustrated processes for the multi-carrier expansion of receiver end,
Receiving, by rf receiver unit, the data that transmitter end sends over, radio frequency is connect by the 3rd signal processing unit
The data that receipts unit receives carry out DDC process, it is thus achieved that each group single carrier list time slot I/Q data, when utilizing
The dynamic cut position of gap and arrange carrier wave sequence number mark and obtain multicarrier with time slot scaled data, further across the
The power correction of four signal processing units and demodulating and decoding process, it is achieved the data sending transmitter end dilatation
Accurate parsing, the multi-carrier expansion of complete paired data processes, at the multi-carrier expansion that the present embodiment is proposed
Reason method can make RPDIF interface be prone to dilatation carrier wave and meet systematicness on the basis of RPDIF interface
Energy requirement, this multi-carrier expansion processing method does not affect the normal up-downgoing of transmitter end and receiver end in addition
The transmitting-receiving of link, has good compatibility.
As a kind of specific embodiment, the 3rd signal processing unit receives the list that rf receiver unit sends
Carrier wave list time slot I/Q data, calculates the process of each group of translocation factor corresponding to single carrier time slot I/Q data respectively
Including: calculate each power maximum organizing single carrier list time slot I/Q data that up calibration bit wide is corresponding；To respectively
The power of group single carrier list time slot I/Q data is added up, and obtains each group of single carrier list time slot I/Q data corresponding
Power statistic value；Ratio according to power statistic value and power maximum determines each single carrier list time slot IQ
The corresponding translocation factor of data.Present embodiment, with receiver uplink receiving data instance, illustrates to obtain displacement
The detailed description of the invention of the factor, after the 3rd signal processing unit receives single carrier list time slot I/Q data, in advance
Stay the highest M position in bit wide N of I datum and Q data, will I datum and the bit wide N change of Q data
For N-M, now bit wide N-M is up calibration bit wide, calculates the list that up calibration bit wide N-M is corresponding
The power maximum P1 of carrier wave list time slot I/Q data is as taken the bit wide N-M position on I road and Q road respectively, logical
Cross I2+Q2Calculate power maximum P1, and single carrier list time slot I/Q data on each carrier wave is carried out power
Statistics, obtains power statistic value P2 that each single carrier list time slot I/Q data is corresponding, finally according to power statistic
Value P2 determines the translocation factor that each single carrier list time slot I/Q data is corresponding with the ratio of power maximum P1,
Such as using the ratio of power statistic value P2 and power maximum P1 as translocation factor, thus simplify displacement because of
The calculating of son.
In the embodiment shown in Figure 2, as one of which specific embodiment, carrier wave sequence number is inserted
The process of each group scaling I/Q data includes: carrier wave sequence number is inserted I in binary form in gap scaling I/Q data
In the preset interface bit wide highest order of data and Q data.Simultaneously in another kind of specific embodiment, will
Carrier wave sequence number is inserted the process of scaling I/Q data and is also included: judge whether the carrier wave sequence number being currently inserted into is carrier wave
Sequence number maximum, the most then terminate the insertion of carrier wave sequence number, obtains multicarrier and scales I/Q data with time slot,
Carrier wave sequence number after otherwise the carrier wave sequence number being currently inserted into being added 1 and being updated, and the carrier wave sequence after updating
Number insert next group scaling I/Q data, wherein carrier wave sequence number maximum is by scaling I datum and Q in I/Q data
The preset interface bit wide highest order of data determines.
Correspondingly, the present invention also proposes the dispensing device in a kind of multi-carrier expansion system, wherein a reality
Executing in example, shown in Figure 3, the dispensing device in multi-carrier expansion system includes that be sequentially connected with first believes
Number processing unit 310, secondary signal processing unit 320 and radio frequency transmitting element 330,
First signal processing unit 310 carries out IQ modulation to data to be sent, obtains each group of single carrier list time slot
I/Q data, calculates each group of translocation factor corresponding to single carrier list time slot I/Q data respectively, and according to translocation factor
To each I datum in corresponding single carrier list time slot I/Q data with Q data shifts and cut position, obtain
The scaling I/Q data that each group single carrier list time slot I/Q data is corresponding, inserts each group of scaling IQ number by carrier wave sequence number
According to rear, obtaining multicarrier and scale I/Q data with time slot, the first signal processing unit 310 is by same for multicarrier time slot
Scaling I/Q data is sent to secondary signal processing unit 320；
Secondary signal processing unit 320 receives and parses through multicarrier and scales I/Q data with time slot, according to described load
Wave train number distinguishes described single carrier list time slot I/Q data, and corresponding with translocation factor according to each translocation factor pair
Single carrier list time slot I/Q data carry out shift power correction, obtain revise I/Q data, secondary signal process
Unit 320 is sent to radio frequency transmitting element 330 to revising after I/Q data carries out Digital Up Convert process；
Described correction I/Q data after Digital Up Convert is processed by radio frequency transmitting element 330 sends to receiver
End.
Below the dispensing device in the multi-carrier expansion processing system of the present embodiment is described in detail:
So-called IQ modulation refers to data to be sent are divided into two-way, and two paths of data carries out carrier modulation respectively,
And the two-way carrier wave that obtains is mutually orthogonal, with homophase (in-phase, I) and orthogonal (quadrature, Q) respectively
Expression frequency is identical, the mutually orthogonal two-way carrier wave of phase 90 degree, the first signal processing unit 310
Data to be sent are carried out IQ modulation, multiple concrete modulation system can be used, such as, utilize Gauss minimum
Frequency shift keying (Gaussian Filtered Minimum Shift Keying, GMSK) or 8 phase-shift keyings (8
Phase Shift Keying, 8PSK) data to be sent are modulated, wherein GMSK modulation mode tool
Have to hand in data streaming and first pass through a Gauss wave filter (pre-modulation filter) before frequency modulator and carry out
Premodulated filters, to reduce the saltus step energy during carrier switch of two different frequencies so that at identical number
Can become more close feature according to channel spacings during transfer rate, 8PSK modulation mode is then that one has
The higher availability of frequency spectrum, stronger anti-interference, conventional tune the most relatively simple in the realization of circuit
Mode processed.
After first signal processing unit 310 carries out IQ modulation to data to be sent, obtain single carrier list time slot IQ
Data, the first signal processing unit 310 calculate respectively each group of displacement corresponding to single carrier list time slot I/Q data because of
Son, wherein single carrier list time slot I/Q data refers to that the I circuit-switched data by 16 and the Q circuit-switched data of 16 are closed
The data of 32 become, translocation factor is for each I datum in corresponding single carrier list time slot I/Q data
Carrying out shifting and cut position with Q data, the first signal processing unit 310 passes through according to translocation factor accordingly
After single carrier list time slot I/Q data carries out Slot shift and cut position, each group single carrier list time slot I/Q data is corresponding
Scaling I/Q data, obtain scaling after I/Q data, carrier wave sequence number is inserted by the first signal processing unit 310
After each group scaling I/Q data, each group of scaling I/Q data with carrier wave sequence number constitutes multicarrier and contracts with time slot
Put I/Q data, now the first signal processing unit 310 by multicarrier with time slot scaling I/Q data and displacement because of
Son is sent to secondary signal processing unit 320；
Secondary signal processing unit 320 receives and parses through the same time slot of multicarrier that the first signal processing unit sends
Scaling I/Q data, after distinguishing the I/Q data on different carrier, further according to each translocation factor to each shifting
The single carrier list time slot I/Q data that location factor is corresponding carries out shifting power correction, obtains revising I/Q data,
In the present embodiment, translocation factor is effectively equivalent to a scale value, and the first signal processing unit 310 is to list
Carrier wave list time slot I/Q data is scaled, and carrier power changes the most therewith, therefore at secondary signal
Reason unit 320 needs to recover to reduce single carrier list time slot I/Q data, to ensure the by displacement power correction
The data that one signal processing unit is sent are very nearly the same with the second processing unit received data, it is ensured that number
According to the concordance before and after transmission, secondary signal processing unit 320 carries out Digital Up Convert to revising I/Q data
(Digital Up Converter, DUC) is sent to radio frequency transmitting element 330, wherein DUC process after processing
Refer in radio transmitting chain, digital signal after digital-to-analogue conversion becomes analogue signal, analogue signal warp
Cross mixing and obtain the RF center frequency higher than primary signal, then analogue signal is amplified to suitable power electricity
Flat, eventually pass antenna and launch, therefore DUC process be in order to improve the RF center frequency of signal with
Just the radio-frequency front-end through transmitter end is launched；
Finally, the correction after radio frequency transmitting element 330 receives the DUC process that the second processing unit 320 sends
I/Q data, and the correction I/Q data after DUC process is sent to receiver end.
Dispensing device in the multi-carrier expansion processing system that the present embodiment is illustrated passes through the first signal processing list
Unit carries out IQ modulation to data to be sent, it is thus achieved that each group single carrier list time slot I/Q data and the displacement of correspondence thereof
The factor, the first signal processing unit utilize the dynamic cut position of time slot and arrange carrier wave sequence number mark obtain multicarrier
Scaling I/Q data with time slot, power correction and Digital Up Convert further across the second processing unit process,
Being transmitted by radio frequency transmitting element, the multi-carrier expansion completing transmitter end processes, the present embodiment institute again
Propose multi-carrier expansion processing system in dispensing device can on the basis of PRDIFRPDIF interface,
PRDIFRPDIF interface is made to be prone to dilatation carrier wave and meet system performance requirements, in addition at this multi-carrier expansion
Reason method does not affect the transmitting-receiving of transmitter end and the normal uplink downlink of receiver end, has good compatibility
Property.The realization side of its concrete function of unit of the dispensing device in multi-carrier expansion processing system of the present invention
Method, is referred to the implementation method described in above-mentioned multi-carrier expansion processing method embodiment, the most no longer
Repeat.
In another embodiment, shown in Figure 4, the present invention also proposes a kind of multi-carrier expansion and processes system
Reception device in system, the reception device in multi-carrier expansion processing system includes the radio frequency reception being sequentially connected with
Unit the 410, the 3rd signal processing unit 420 and the 4th signal processing unit 430,
Rf receiver unit 410 receives the data that transmitter end sends, and sends the data to the 3rd letter
Number processing unit 420；
3rd signal processing unit 420 receives data and these data is carried out Digital Down Convert process, obtains each
Group single carrier list time slot I/Q data, calculates each group of translocation factor corresponding to single carrier list time slot I/Q data respectively,
And according to translocation factor, each I datum in corresponding single carrier list time slot I/Q data and Q data are moved
Position and cut position, obtain each group of scaling I/Q data corresponding to single carrier list time slot I/Q data, carrier wave sequence number inserted
After entering each group of scaling I/Q data, obtain multicarrier and scale I/Q data with time slot, the 3rd signal processing unit 420
Multicarrier is sent to the 4th signal processing unit 430 with time slot scaling I/Q data and translocation factor；
4th signal processing unit 430 receives and parses through multicarrier and scales I/Q data with time slot, according to described load
Wave train number distinguishes described single carrier list time slot I/Q data, and corresponding with translocation factor according to each translocation factor pair
Single carrier list time slot I/Q data carry out shift power correction, obtain revise I/Q data, the 4th signal processing
Unit 430 is demodulated decoding process to revising I/Q data.
Below the reception device in the multi-carrier expansion processing system of the present embodiment is described in detail:
After rf receiver unit 410 receives the data that transmitter end sends, the data received are sent to the
Three signal processing units 420；
3rd signal processing unit 420 receives the data that rf receiver unit sends, and to the data received
Carry out Digital Down Convert (Digital Down Converter, DDC) to process, to reduce the mid frequency of signal,
Obtaining each group of single carrier list time slot I/Q data, the 3rd signal processing unit 420 calculates each group of single carrier list respectively
The translocation factor that time slot I/Q data is corresponding, wherein single carrier list time slot I/Q data refers to by the I way of 16
The data of 32 synthesized according to the Q circuit-switched data with 16, translocation factor is for corresponding single carrier list
Each I datum and Q data in time slot I/Q data carry out shifting and cut position, the 3rd signal processing unit 420
Through corresponding single carrier list time slot I/Q data being carried out Slot shift and cut position according to translocation factor, contracted
After putting I/Q data, after carrier wave sequence number is inserted scaling I/Q data by the 3rd processing unit, each group with carrier wave sequence
Number scaling I/Q data constitute multicarrier and scale I/Q data with time slot, now the 3rd processing unit is by overloading
Ripple is sent to the 4th signal processing unit 430 with time slot scaling I/Q data；
The multicarrier that 4th signal processing unit 430 receives and parses through the 3rd signal processing unit 420 transmission is same
Time slot scaling I/Q data, after distinguishing the I/Q data on different carrier, further according to each translocation factor to often
Single carrier list time slot I/Q data corresponding to one translocation factor carries out shifting power correction, obtains revising I/Q data,
In the present embodiment, translocation factor is effectively equivalent to a scale value, in a step 220, the 3rd signal
Single carrier list time slot I/Q data is scaled by processing unit 420, and carrier power changes the most therewith,
Therefore, in step S230, the 4th signal processing unit 430 needs to recover reduction by displacement power correction
Single carrier list time slot I/Q data, to ensure data and the 4th signal that the 3rd signal processing unit 420 sent
Processing unit 430 received data is very nearly the same, it is ensured that the concordance before and after data transmission, finally, the
Four signal processing units 430 are demodulated decoding process to revising I/Q data, obtain corresponding data.
Reception device in the multi-carrier expansion processing system that the present embodiment is illustrated is connect by rf receiver unit
The data that rf receiver unit is received by data the 3rd signal processing unit that the machine end of transmitting and receiving sends over are entered
Row DDC process, it is thus achieved that each group single carrier list time slot I/Q data, utilizes the dynamic cut position of time slot and arranges load
Wave train mark obtains multicarrier with time slot scaled data, further across the power of the 4th signal processing unit
Revise and demodulating and decoding processes, it is achieved the accurate parsing to the data that transmitter end dilatation sends, complete logarithm
According to multi-carrier expansion process, the reception device in the multi-carrier expansion processing system that the present embodiment is proposed can
With on the basis of RPDIF interface, RPDIF interface is made to be prone to dilatation carrier wave and meet system performance requirements,
In addition this multi-carrier expansion processing method does not affect the receipts of transmitter end and the normal uplink downlink of receiver end
Send out, there is good compatibility.The unit receiving device in multi-carrier expansion processing system of the present invention
The implementation method of its concrete function, is referred to described in above-mentioned multi-carrier expansion processing method embodiment
Implementation method, here is omitted.
Meanwhile, the present invention also proposes a kind of multi-carrier expansion processing system, and this system includes the most
Dispensing device in carrier wave dilatation processing system and the dress of the reception in multi-carrier expansion processing system as above
Put, wherein the dispensing device in multi-carrier expansion processing system and its concrete function of unit of reception device
Implementation method, be referred to the implementation method described in above-mentioned multi-carrier expansion processing method embodiment,
Here is omitted.
As a kind of specific embodiment, the first signal processing unit in multi-carrier expansion processing system and
4th signal processing unit is DSP processing unit, secondary signal processing unit and the 3rd signal processing unit
It is FPGA processing unit.In the present embodiment, DSP (Digital Signal Processor, DSP, number
Word signal processing) processing unit is the digital signal processing unit with digital signal processor as core, with DSP
Processing unit is as the first signal processing unit in dispensing device in multi-carrier expansion processing system and receives dress
The 4th signal processing unit in putting, it is achieved the dynamic cut position of time slot and the setting of carrier wave sequence number to data,
Have easily realize integrated, be applicable to low frequency signal, affected little feature by external parameters such as ambient temperatures；
FPGA (Field-Programmable Gate Array, FPGA, field programmable gate array) processing unit is
Signal processing unit with field programmable gate array as core, has the spies such as fast, the function admirable of processing speed
Point.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. a multi-carrier expansion processing method, it is characterised in that comprise the following steps:
First signal processing unit carries out IQ modulation to data to be sent, obtains each group of single carrier list time slot IQ
Data, calculate the translocation factor that single carrier list time slot I/Q data described in each group is corresponding respectively, and according to described shifting
Location factor each I datum in corresponding described single carrier list time slot I/Q data and Q data are carried out displacement and
Cut position, obtains the scaling I/Q data that single carrier list time slot I/Q data described in each group is corresponding, carrier wave sequence number is inserted
Enter after scaling I/Q data described in each group, obtain multicarrier and scale I/Q data with time slot, at described first signal
Described multicarrier is sent to secondary signal processing unit with time slot scaling I/Q data by reason unit；
Described secondary signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described secondary signal processing unit is sent to radio frequency after described correction I/Q data is carried out Digital Up Convert process and sends out
Send unit；
Described correction I/Q data after Digital Up Convert is processed by described radio frequency transmitting element sends to receiver
End.
Multi-carrier expansion processing method the most according to claim 1, it is characterised in that calculate each respectively
The process organizing translocation factor corresponding to described single carrier list time slot I/Q data includes:
Calculate each power maximum organizing described single carrier list time slot I/Q data that descending calibration bit wide is corresponding；
The power of single carrier list time slot I/Q data described in each group is added up, obtains single carrier list described in each group
The power statistic value that time slot I/Q data is corresponding；
When ratio according to described power statistic value and described power maximum determines corresponding described single carrier list
The translocation factor that gap I/Q data is corresponding.
Multi-carrier expansion processing method the most according to claim 1 and 2, it is characterised in that by carrier wave
The process scaling I/Q data described in each group of sequence number insertion includes:
Carrier wave sequence number is inserted I datum and the default of Q data in binary form in described scaling I/Q data connect
In mouth bit wide highest order.
Multi-carrier expansion processing method the most according to claim 3, it is characterised in that by carrier wave sequence number
The process inserting scaling I/Q data also includes:
Judge whether the carrier wave sequence number being currently inserted into is carrier wave sequence number maximum, the most then terminate described carrier wave
The insertion of sequence number, obtains multicarrier and scales I/Q data with time slot, otherwise adds 1 by the carrier wave sequence number being currently inserted into
Carrier wave sequence number after being updated, and will update after carrier wave sequence number insert next organize described scaling I/Q data,
Described carrier wave sequence number maximum is the highest by the preset interface bit wide of I datum and Q data in described scaling I/Q data
Position determines.
5. a multi-carrier expansion processing method, it is characterised in that comprise the following steps:
Rf receiver unit receives the data that transmitter end sends, and sends the data at the 3rd signal
Reason unit；
Described 3rd signal processing unit receives described data and described data is carried out Digital Down Convert process,
Obtain each group of single carrier list time slot I/Q data, calculate single carrier list time slot I/Q data described in each group respectively corresponding
Translocation factor, and according to each in corresponding described single carrier list time slot I/Q data of described translocation factor
I datum and Q data carry out shifting and cut position, obtain the contracting that single carrier list time slot I/Q data described in each group is corresponding
Put I/Q data, after scaling I/Q data described in each group of carrier wave sequence number insertion, obtain multicarrier and scale with time slot
I/Q data, described multicarrier is sent to the 4th letter with time slot scaling I/Q data by described 3rd signal processing unit
Number processing unit；
Described 4th signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described 4th signal processing unit is demodulated decoding process to described correction I/Q data.
Multi-carrier expansion processing method the most according to claim 5, it is characterised in that calculate each respectively
The process organizing translocation factor corresponding to described single carrier list time slot I/Q data includes:
Calculate each power maximum organizing described single carrier list time slot I/Q data that up calibration bit wide is corresponding；
The power of single carrier list time slot I/Q data described in each group is added up, obtains single carrier list described in each group
The power statistic value that time slot I/Q data is corresponding；
When ratio according to described power statistic value and described power maximum determines corresponding described single carrier list
The translocation factor that gap I/Q data is corresponding.
7. the dispensing device in a multi-carrier expansion processing system, it is characterised in that include being sequentially connected with
First signal processing unit, secondary signal processing unit and radio frequency transmitting element,
Described first signal processing unit carries out IQ modulation to data to be sent, obtains each group of single carrier list time slot
I/Q data, calculates the translocation factor that single carrier list time slot I/Q data described in each group is corresponding respectively, and according to described
Each I datum in corresponding described single carrier list time slot I/Q data and Q data are shifted by translocation factor
And cut position, obtain the scaling I/Q data that single carrier list time slot I/Q data described in each group is corresponding, by carrier wave sequence number
Insert after scaling I/Q data described in each group, obtain multicarrier and scale I/Q data, described first signal with time slot
Described multicarrier is sent to secondary signal processing unit with time slot scaling I/Q data by processing unit；
Described secondary signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described secondary signal processing unit is sent to radio frequency after described correction I/Q data is carried out Digital Up Convert process and sends out
Send unit；
Described correction I/Q data after Digital Up Convert is processed by described radio frequency transmitting element sends to receiver
End.
8. the reception device in a multi-carrier expansion processing system, it is characterised in that include being sequentially connected with
Rf receiver unit, the 3rd signal processing unit and the 4th signal processing unit,
Described rf receiver unit receives the data that transmitter end sends, and sends the data to the 3rd letter
Number processing unit；
Described 3rd signal processing unit receives described data and described data is carried out Digital Down Convert process,
Obtain each group of single carrier list time slot I/Q data, calculate single carrier list time slot I/Q data described in each group respectively corresponding
Translocation factor, and according to each in corresponding described single carrier list time slot I/Q data of described translocation factor
I datum and Q data carry out shifting and cut position, obtain the contracting that single carrier list time slot I/Q data described in each group is corresponding
Put I/Q data, after scaling I/Q data described in each group of carrier wave sequence number insertion, obtain multicarrier and scale with time slot
I/Q data, described multicarrier is sent to the 4th letter with time slot scaling I/Q data by described 3rd signal processing unit
Number processing unit；
Described 4th signal processing unit receives and parses through described multicarrier and scales I/Q data with time slot, according to institute
State carrier wave sequence number and distinguish described single carrier list time slot I/Q data, and according to translocation factor pair each described with described
Single carrier list time slot I/Q data corresponding to translocation factor carries out shifting power correction, obtains revising I/Q data,
Described 4th signal processing unit is demodulated decoding process to described correction I/Q data.
9. a multi-carrier expansion processing system, it is characterised in that include overloading as claimed in claim 7
In dispensing device in ripple dilatation processing system and multi-carrier expansion processing system as claimed in claim 8
Receive device.
Multi-carrier expansion processing system the most according to claim 9, it is characterised in that described first
Signal processing unit and described 4th signal processing unit are DSP processing unit, and described secondary signal processes
Unit and described 3rd signal processing unit are FPGA processing unit.
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| US20110170873A1 (en) * | 2010-01-11 | 2011-07-14 | Xiang Liu | Apparatus and Method For Generating Frequency-Locked Optical Comb Sources |
| CN102790656A (en) * | 2012-05-30 | 2012-11-21 | 新邮通信设备有限公司 | Method and system for compressing IQ data |
| CN103596260A (en) * | 2012-08-17 | 2014-02-19 | 京信通信系统（中国）有限公司 | Time slot synchronization method and system of multicarrier GSM system |
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