CN109962748A - Data processing method and device - Google Patents
Data processing method and device Download PDFInfo
- Publication number
- CN109962748A CN109962748A CN201711415069.0A CN201711415069A CN109962748A CN 109962748 A CN109962748 A CN 109962748A CN 201711415069 A CN201711415069 A CN 201711415069A CN 109962748 A CN109962748 A CN 109962748A
- Authority
- CN
- China
- Prior art keywords
- data
- output
- sequence
- obtains
- coding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
- H04L1/0065—Serial concatenated codes
Abstract
The invention discloses a kind of data processing method and device.Wherein, this method comprises: the bit stream obtained in advance is encoded by presetting pure overlapping multiplexing, output symbol sequence is obtained；Recurrence coding is carried out to output symbol sequence by default bias overlapping multiplexing coding, obtains signal to be sent；Wherein, it is encoded by default bias overlapping multiplexing and recurrence coding is carried out to output symbol sequence, obtaining signal to be sent includes: to carry out Recursion process to output symbol sequence, obtains data sequence；Overlapping multiplexing coding is carried out to data sequence, obtains output symbol stream；Output symbol stream is determined as signal to be sent.The present invention solves real system with the raising of spectrum efficiency, and thresholding signal-to-noise ratio can also increase accordingly；Many level numbers are needed under high spectrum efficiency and system complexity is higher, performance advantage unconspicuous technical problem when low frequency spectrum efficiency.
Description
Technical field
The present invention relates to communication technology application fields, in particular to a kind of data processing method and device.
Background technique
(X represents any domain to overlapping multiplexing OvXDM, comprising: time-domain T, spatial domain S, frequency domain F, code divide domain C or mixing
Domain H etc.) system, main advantage is can to increase substantially the transmission spectrum efficiency of system, but mentioning with spectrum efficiency
Height, thresholding signal-to-noise ratio can also increase accordingly.And in the case where low frequency spectrum efficiency, coding gain is lower, and performance compares other realities
Border system advantage is unobvious；And same spectrum efficiency in M-QAM system, level number needed for M-QAM system is higher, simultaneity factor
Complexity it is also higher.
For above-mentioned since real system is with the raising of spectrum efficiency, thresholding signal-to-noise ratio can also be increased accordingly；It is composed in height
Many level numbers are needed under efficiency and system complexity is higher, performance advantage unconspicuous problem when low frequency spectrum efficiency, at present
Not yet put forward effective solutions.
Summary of the invention
The embodiment of the invention provides a kind of data processing method and device, at least to solve real system as frequency spectrum is imitated
The raising of rate, thresholding signal-to-noise ratio can also increase accordingly；Many level numbers are needed under high spectrum efficiency and system complexity is higher,
Performance advantage unconspicuous technical problem when low frequency spectrum efficiency.
According to an aspect of an embodiment of the present invention, a kind of data processing method is provided, comprising: the ratio that will be obtained in advance
Spy's stream is encoded by presetting pure overlapping multiplexing, obtains output symbol sequence；It is encoded by default bias overlapping multiplexing to output
Symbol sebolic addressing carries out recurrence coding, obtains signal to be sent；Wherein, it is encoded by default bias overlapping multiplexing to output symbol sequence
Column carry out recurrence coding, and obtaining signal to be sent includes: to carry out Recursion process to output symbol sequence, obtain data sequence；It is right
Data sequence carries out overlapping multiplexing coding, obtains output symbol stream；Output symbol stream is determined as signal to be sent.
Optionally, the bit stream obtained in advance is encoded by presetting pure overlapping multiplexing, obtains output symbol sequence packet
It includes: serioparallel exchange being carried out to bit stream, obtains K1Circuit-switched data；To K1Circuit-switched data is weighted respectively, and to the K after weighting1Number
According to summing, first via output data is obtained；First via output data and the second tunnel output data are overlapped, obtained defeated
Symbol sebolic addressing out.
Further, optionally, the acquisition of the second tunnel output data includes: and interweaves to bit stream, and will be after intertexture
Bit stream carry out serioparallel exchange, obtain K1Circuit-switched data；To K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data
It sums, obtains the second tunnel output data.
Further, optionally, Recursion process is carried out to output symbol sequence, obtaining data sequence includes: to accord with output
Input traffic P in number sequencei, i=1~NsShift register is passed sequentially through, according to certain recurrence tap by each displacement
The output of bit register is fed back, and as new input S after adding with current input information mouldi, wherein recurrence tap is available
Recursion coefficient matrix indicates that each is indicated by 0,1, and 0 is does not feed back, and 1 is feedback, and the size of the recursion coefficient matrix is by being overlapped
TupleIt determines；
Wherein, whenWhen recurrence tap coefficient matrix is [1 1 1], recursive feedback includes: will be in output symbol sequence
Input traffic PiIt is successively shifted by shift register, first data P of input1It is directly defeated without shift register
Out, new data are obtained and are denoted as S1；Second data P2After arrival, by S1It is shifted by first time delay shift registers, simultaneously
Feedback and P2Modulus adds operation to obtain new output, is denoted as S2；Third data P3After arrival, by S2It is moved by first time delay
Bit register displacement, and is fed back, while by S1It shifts, and is fed back by second time delay shift registers, by two
The feedback and P of a shift register3Modulus adds operation to obtain new output, is denoted as S3；Until Recursion process obtains, length Ns
Input data sequenceBy input data sequenceIt is determined as data sequence.
Optionally, overlapping multiplexing coding is carried out to data sequence, obtaining output symbol stream includes: to data sequenceIn every number be multiplied respectively with the multiplexing waveform in modulation domain, and ask tired
Adduction, obtains output symbol stream y.
Further, optionally, to data sequenceIn every number point
Be not multiplied with the multiplexing waveform in modulation domain, and ask it is cumulative and, obtaining output symbol stream y includes: to be modulated according to design parameter
Envelope waveform is generated in domain；Envelope waveform is shifted in modulation domain by scheduled shift intervals according to overlapping tuple, is obtained
Each displacement envelope waveform in modulation domain；By the symbol S in sequence to be modulatediWith corresponding displacement envelope waveform phase
Multiply, obtains each modulation envelope waveform in modulation domain；Each modulation envelope waveform is overlapped in modulation domain, obtains output symbol
Number stream y.
According to an aspect of an embodiment of the present invention, another data processing method is provided, comprising: receiving end will receive
The signal arrived carries out matched filtering, obtains filtered signal；Receiving end carries out first via output data to filtered signal
Separated with the second tunnel output data, and to after separation first via output data and the second tunnel output data be sampled respectively,
Decoding, respectively obtains the bit stream of corresponding first via output data and the second tunnel output data.
Optionally, first via output data is carried out to filtered signal in receiving end and the second tunnel output data separates it
Before, this method further include: recursive iteration serially concatenated be overlapped Frequency Division Multiplexing system in the case where, to the signal received by when
Domain signal is converted to frequency-region signal.
Other side according to an embodiment of the present invention provides a kind of data processing equipment, comprising: the first coding mould
Block obtains output symbol sequence for encoding the bit stream obtained in advance by presetting pure overlapping multiplexing；Second coding mould
Block obtains signal to be sent for carrying out recurrence coding to output symbol sequence by default bias overlapping multiplexing coding；Its
In, the second coding module includes: recursive unit, for carrying out Recursion process to output symbol sequence, obtains data sequence；Coding
Unit obtains output symbol stream for carrying out overlapping multiplexing coding to data sequence；Determination unit is used for output symbol stream
It is determined as signal to be sent.
Optionally, the first coding module includes: serioparallel exchange unit, for carrying out serioparallel exchange to bit stream, obtains K1K1
Circuit-switched data；Weighted sum unit, for K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data is summed, and is obtained
To first via output data；Superpositing unit obtains defeated for first via output data and the second tunnel output data to be overlapped
Symbol sebolic addressing out.
Further, optionally, superpositing unit includes: intertexture subelement, for interweaving to bit stream, and will be interweaved
Bit stream afterwards carries out serioparallel exchange, obtains K1Circuit-switched data；Weighted sum subelement, for K1Circuit-switched data is weighted respectively,
And to the K after weighting1Circuit-switched data is summed, and the second tunnel output data is obtained.
Other side according to an embodiment of the present invention provides another data processing equipment, comprising: filter module,
For the signal received to be carried out matched filtering, filtered signal is obtained；Decoder module, for filtered signal into
Row first via output data and the separation of the second tunnel output data, and to the first via output data and the second tunnel output number after separation
According to being sampled, decoding respectively, the bit stream of corresponding first via output data and the second tunnel output data is respectively obtained.
Optionally, the device further include: conversion module, for filtered signal carry out first via output data and
Before the separation of second tunnel output data, in the case where recursive iteration serially concatenated is overlapped Frequency Division Multiplexing system, to what is received
Signal is converted to frequency-region signal by time-domain signal.
In embodiments of the present invention, by the way of the Turbo recursive iteration serially concatenated OvXDM system of high spectrum efficiency,
It is encoded by the bit stream obtained in advance by presetting pure overlapping multiplexing, obtains output symbol sequence；Pass through default bias weight
Folded multiplexing and encoding carries out recurrence coding to output symbol sequence, obtains signal to be sent, has achieved the purpose that lifting system performance,
To realize using after Turbo recursive iteration serially concatenated OvXDM structure, on the one hand can increase OvXDM coding it is equivalent
Encoding constraint length provides considerable coding gain.On the other hand the spectrum efficiency of OvXDM, increasing low using code rate can be reduced
The high channel coding of benefit can increase substantially OvXDM in the performance of low frequency spectrum efficiency band, reduce under identical spectrum efficiency
Required level number and complexity, makes system performance get a promotion；Simultaneously because system introduces recursive structure, in high spectrum efficiency
Lower signal-to-noise ratio just can reach the lower bit error rate, and transmit data, system reliability since system introduces I, Q two-way
Also the technical effect to get a promotion, and then solve real system with the raising of spectrum efficiency, thresholding signal-to-noise ratio also can be therewith
It improves；Many level numbers are needed under high spectrum efficiency and system complexity is higher, and performance advantage is unobvious when low frequency spectrum efficiency
The technical issues of.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow diagram of data processing method according to an embodiment of the present invention；
Fig. 2 is the Turbo iterative recursive serially concatenated OvTDM in a kind of data processing method according to an embodiment of the present invention
System construction drawing；
Fig. 3 is that equivalent waveform convolution is compiled in OvTDM system in a kind of data processing method according to an embodiment of the present invention
The schematic diagram of code model；
Fig. 4 is the schematic diagram encoded in OvTDM system in a kind of data processing method according to an embodiment of the present invention；
Fig. 5 is the Turbo iterative recursive serially concatenated OvFDM in a kind of data processing method according to an embodiment of the present invention
System construction drawing；
Fig. 6 is that equivalent waveform convolution is compiled in OvFDM system in a kind of data processing method according to an embodiment of the present invention
The schematic diagram of code model；
Fig. 7 is the schematic diagram encoded in OvFDM system in a kind of data processing method according to an embodiment of the present invention；
Fig. 8 is the flow diagram of another data processing method according to an embodiment of the present invention；
Fig. 9 is the process of Turbo OvXDM iterative decoding in another data processing method according to an embodiment of the present invention
Schematic diagram；
When Figure 10 is the Gauss function in another data processing method according to an embodiment of the present invention in OvTDM system
The schematic diagram of frequency domain；
Figure 11 is Turbo recursive iteration serial concatenated structure in another data processing method according to an embodiment of the present invention
With the schematic diagram of common OvTDM structured coding waveform；
When Figure 12 is the Gauss function in another data processing method according to an embodiment of the present invention in OvFDM system
The schematic diagram of frequency domain；
Figure 13 is Turbo recursive iteration serial concatenated structure in another data processing method according to an embodiment of the present invention
With the schematic diagram of common OvFDM structured coding waveform frequency domain；
Figure 14 is Turbo recursive iteration serial concatenated structure in another data processing method according to an embodiment of the present invention
With common OvFDM structured coding waveform time domain schematic diagram；
Figure 15 is a kind of structural schematic diagram of data processing equipment according to an embodiment of the present invention；
Figure 16 is the structural schematic diagram of another data processing equipment according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of data processing method embodiment is provided, it should be noted that in the stream of attached drawing
The step of journey illustrates can execute in a computer system such as a set of computer executable instructions, although also, flowing
Logical order is shown in journey figure, but in some cases, it can be to be different from shown or described by sequence execution herein
The step of.
Fig. 1 is the flow diagram of data processing method according to an embodiment of the present invention, as shown in Figure 1, sending end side,
This method comprises the following steps:
The bit stream obtained in advance is encoded by presetting pure overlapping multiplexing, obtains output symbol sequence by step S102；
Step S104 carries out recurrence coding to output symbol sequence by default bias overlapping multiplexing coding, obtains pending
The number of delivering letters；
Wherein, it is encoded by default bias overlapping multiplexing and recurrence coding is carried out to output symbol sequence, obtain pending deliver letters
Number include: that Recursion process is carried out to output symbol sequence, obtains data sequence；Overlapping multiplexing coding is carried out to data sequence, is obtained
To output symbol stream；Output symbol stream is determined as signal to be sent
When spectrum efficiency is greater than 6bits/s/Hz, OvXDM system performance is preferable, or even surmounts under Nyquist criterion
Shannon limit；But when system spectral efficiency is less than 6bits/s/Hz, system performance is compared to the transmission modes such as M-QAM, advantage
It is not apparent.Signal-to-noise ratio advantage and coding of the OvXDM coding in spectral efficient region can be made full use of to increase based on this reason
Benefit is circulated by the way of the Turbo recursive iteration serially concatenated OvXDM system of high spectrum efficiency by the bit obtained in advance
It crosses and presets pure overlapping multiplexing coding, obtain output symbol sequence；It is encoded by default bias overlapping multiplexing to output symbol sequence
Column carry out recurrence coding, obtain signal to be sent, have achieved the purpose that lifting system performance, passed to realize using Turbo
After returning iteration serially concatenated OvXDM structure, it on the one hand can increase the equivalent encoding constraint length of OvXDM coding, provide considerable
Coding gain.On the other hand the spectrum efficiency of OvXDM, channel coding low using code rate, high gain can be reduced
OvXDM is increased substantially in the performance of low frequency spectrum efficiency band, level number and complexity needed for reducing under identical spectrum efficiency,
System performance is set to get a promotion；Simultaneously because system introduces recursive structure, in high spectrum efficiency, lower signal-to-noise ratio just be can reach
The lower bit error rate, and data are transmitted since system introduces I, Q two-way, the technology effect that system reliability also gets a promotion
Fruit, and then solve real system with the raising of spectrum efficiency, thresholding signal-to-noise ratio can also increase accordingly；It is needed under high spectrum efficiency
It wants many level number and system complexity is higher, performance advantage unconspicuous technical problem when low frequency spectrum efficiency.
Specifically, in order to make coding output approach multiple Gauss distribution, and the level number needed is reduced in higher spectrum efficiency
And complexity, construct the Turbo recursive iteration serially concatenated OvXDM system of high spectrum efficiency.Not only reduce identical spectrum efficiency
Under required level number, there are also good coding gains.
The purpose of Turbo recursive iteration serial concatenated structure is by binary data stream respectively in mutually orthogonal I, Q channel
Up conversion forms multinomial distribution formula after displacement overlapping at multivariate data stream.After overlapping tuple is sufficiently high, multinomial is exported
Gaussian Profile is approached, the totality that I, Q channel export approaches multiple Gauss distribution.
By taking OvTDM system as an example, Turbo iterative recursive serially concatenated OvTDM system construction drawing is as shown in Fig. 2, purpose
It is to make binary data stream respectively in mutually orthogonal I, Q channel up conversion at polynary real data stream, coding output is made to approach height
This distribution, and the level number needed and complexity are reduced in higher spectrum efficiency.Its structure consists of two parts, including P-
OvTDM and S-OvTDM.
Input bit { 0,1 } sequence is first converted into symbol sebolic addressing {+1, -1 } after ovennodulation before system processing.
Wherein, specific as follows in P-OvTDM structure:
Optionally, the bit stream obtained in advance is encoded in step S102 by presetting pure overlapping multiplexing, is exported
Symbol sebolic addressing includes:
Step1 carries out serioparallel exchange to bit stream, obtains K1Circuit-switched data；To K1Circuit-switched data is weighted respectively, and to adding
K after power1Circuit-switched data is summed, and first via output data is obtained；
First via output data and the second tunnel output data are overlapped, obtain output symbol sequence by Step2.
Specifically, P-OvTDM, i.e. purely overlapping OvTDM (Pure-OvTDM), are not mutually displaced, effect is by independence
Binary data circulation change multivariate data stream into.It is K that it, which is overlapped tuple,1(K1> 0) multiplexing waveform be width is T=K1*TbSquare
Shape wave, TbFor data bit width.
Assuming that it is N that system input, which is length,bBit stream
Output is N after P-OvTDM is encodedsA symbol, then each symbol includes K1Bit number, Ns=Nb/K1.Cataloged procedure includes
4 steps below:
(1) serioparallel exchange
Input data symbol is subjected to serioparallel exchange, becomes K1Circuit-switched data；
Such as K1When=2, list entries is converted into two-way, the data on every road are expressed as:
(2) it weights
By K1Circuit-switched data is weighted respectively, multiplies 2 respectively to the 1st circuit-switched data0, the 2nd circuit-switched data multiplies 2 respectively1, and so on,
K1Circuit-switched data multiplies respectively
K1When=2, indicate are as follows:
(3) it sums
Data after weighting are successively summed, output result P is obtainedI(that is, the first via provided by the present application exports number
According to), length is denoted as Ns。
K1When=2, it is expressed as
Further, optionally, the second tunnel output data P in Step2 in step S102QAcquisition include:
Step 1, interweave to bit stream, and the bit stream after intertexture is subjected to serioparallel exchange, obtain K1Circuit-switched data；
Step 2, to K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data is summed, and it is defeated to obtain the second road
Data out.
Specifically, Q circuit-switched data (that is, second tunnel output data provided by the present application precalculated) processing and the road I
Similar, difference is before (1) is handled, first to list entries xiIt is interleaved processing, then carries out (1) to (3) processing.Finally
I, Q two paths of data is superimposed, and is expressed as P=PI+j*PQ, the as output of P-OvTDM.Data processing provided by the present application
The deinterleaving method generally used in method includes random interleaving, S intertexture, 64*64 array inter-leaving etc., and different deinterleaving methods is to being
Performance of uniting influences also difference, is not specifically limited here.
Output symbol sequence P=P is obtained by first order coding P-OvTDMI+j*PQ, second is transmitted to using the sequence as input
The input terminal of grade S-OvTDM coding, the cataloged procedure of S-OvTDM are added to recursive feedback structure on the basis of common OvTDM.
Wherein, specific as follows in S-OvTDM structure:
Optionally, recurrence coding is carried out to output symbol sequence by default bias overlapping multiplexing coding in step S104,
Obtaining signal to be sent includes:
Step1 carries out Recursion process to output symbol sequence, obtains data sequence；
Step2 carries out overlapped time division multiplexing coding to data sequence, obtains output symbol stream；
Output symbol stream is determined as signal to be sent by Step3.
Further, optionally, Recursion process is carried out to output symbol sequence in Step1 in step S104, is counted
Include: according to sequence
By the input traffic P in output symbol sequencei, i=1~NsShift register is passed sequentially through, is passed according to certain
Tap is returned to feed back the output of each bit shift register, and as new input S after adding with current input information mouldi,
Wherein recurrence tap can be indicated with recursion coefficient matrix, each is indicated by 0,1, and 0 is does not feed back, and 1 is feedback, the recursion coefficient
The size of matrix is by overlapping tupleIt determines；
Wherein, whenWhen recurrence tap coefficient matrix is [1 1 1], recursive feedback includes: by output symbol sequence
In input traffic PiIt is successively shifted by shift register, first data P of input1It is direct without shift register
Output, obtains new data and is denoted as S1；Second data P2After arrival, by S1It is shifted by first time delay shift registers, together
When feedback and P2Modulus adds operation to obtain new output, is denoted as S2；Third data P3After arrival, by S2By first time delay
Shift register displacement, and is fed back, while by S1It shifts, and is fed back by second time delay shift registers, it will
The feedback and P of two shift registers3Modulus adds operation to obtain new output, is denoted as S3；Until Recursion process obtains, length is
NsInput data sequenceBy input data sequenceIt is determined as data sequence.
Specifically, recurrence tap can be indicated with recursion coefficient matrix, each is indicated by 0,1, and 0 is does not feed back, and 1 is anti-
Feedback.Such asWhen, recursion coefficient matrix is represented by [1 0 0], [1 0 1], [1 1 0], [1 1 1], wherein first
Indicate current input information, four groups of matrixes correspond to meaning be respectively not recurrence, only using second shift register output as instead
It presents, only using first shift register output as feedback and complete recurrence.Wherein recursive performance completely is best, not recursive
Performance is worst, but compared to common OvTDM system, the performance of cascade system is better than the performance under its equal conditions.
By current input symbol Pi, i=1~NsPass through shift register, shift intervals K1*Tb, according to certain recurrence
Tap coefficient feeds back the output of each bit shift register, and as new input after adding with current input information mould
Si。
If recurrence tap coefficient matrix is [1 1 1] the case where being complete recurrence, recursive feedback mould adds rear new defeated
Enter to be expressed asFirst data newly inputted
Equal to S1, each data later are equal to current data SiWith it is precedingThe result that a data mould adds.
Such as K1=2,When recurrence tap coefficient matrix is [1 1 1], the process of recursive feedback is as follows:
By input traffic PiIt is successively shifted by shift register, first data P of input1Without shift LD
Device directly exports, and obtains new data and is denoted as S1；Second data P2After arrival, by S1By first time delay shift registers
Displacement, while feedback and P2Modulus adds operation to obtain new output, is denoted as S2；Third data P3After arrival, by S2By first
A time delay shift registers displacement, and being fed back, while by S1It is shifted by second time delay shift registers, and it is anti-
Feedback, by the feedback and P of two shift registers3Modulus adds operation to obtain new output, is denoted as S3.The processing of remainder data later
Same the method, i.e., by current input symbol with beforeData mould add after as current new input.
It is noted herein that the calculating of negative modulus, negative is first taken absolute value be converted to positive number, then to its modulus,
Result is multiplied -1 as new as a result, the corresponding operation in matlab uses rem rather than mod after final modulus.
Overlapped time division multiplexing effect is that multivariate data stream is carried out displacement overlapping.Its shift intervals is K1*Tb, it is overlapped tuple
For Expression rounds up.Multiplexing waveform is real number waveform h (t), duration Tλ=λ * K1*
K2*Tb。
Wherein λ λ is pulse width coefficient, is defined as: width T1Rectangular wave by filtering after broadening be T2, waveform
Ceofficient of spread λ=T2/T1.λ=1 of rectangular wave, T2Refer to the waveform widths for accounting for gross energy 99.99% or 99.999%, by required η
Height selection, it is clear that λ >=1.
Its equivalent waveform convolutional encoding model is as shown in Fig. 3, due to being divided into K between " impact " of input1*TbIf OvTDM
Multiplexing waveform h (t) is that width is T=K1*K2*TbRectangular wave, then the overlapping tuple of OvTDM be K2；If the h (t) of OvTDM is
Width is Tλ=λ * K1*K2*TbNon-rectangle wave, then its be overlapped tuple will be increased to Expression takes upwards
It is whole.Such as K1=2, Tb=1, K2=3, if the width T of corresponding multiplexing waveform h (t) of λ=1, OvTDMλ=6, overlapping
Multiplexing numberIf the width T of corresponding multiplexing waveform h (t) of λ=1.2, OvTDMλ=7.2, overlapping multiplexing
Number
Optionally, overlapped time division multiplexing coding is carried out to data sequence in Step2, obtaining output symbol stream includes:
Step 1, to data sequenceIn every number respectively and in time domain
Multiplexing waveform be multiplied, and ask it is cumulative and, obtain output symbol stream y；Wherein, output symbol stream y includes: y=∑ Si*h(t-i*
ΔT)。
Further, optionally, to data sequence in step 1In it is every
Number is multiplied with the multiplexing waveform in time domain respectively, and ask it is cumulative and, obtaining output symbol stream y includes:
Step A generates envelope waveform according to design parameter in time domain；
Wherein, according to data sequenceGenerate the envelope waveform for sending signal
h(t)。
Envelope waveform is shifted in time domain by scheduled shift intervals according to overlapping tuple, obtains time domain by step B
Interior each displacement envelope waveform；
Wherein, by envelope waveform h (t) after preset time shifts, each moment transmission signal envelope waveform h (t- is obtained
i*ΔT)；
Step C, by the symbol S in sequence to be modulatediIt is multiplied, is obtained in time domain with corresponding displacement envelope waveform
Each modulation envelope waveform；
Wherein, the symbol x that will be sentiIt is multiplied with the envelope waveform h (t-i* Δ T) at corresponding moment, when obtaining each
The signal waveform x to be sent carvedih(t-i*ΔT)；
Each modulation envelope waveform is overlapped in time domain, obtains output symbol stream y by step D.
Wherein, by signal waveform x to be sentiH (t-i* Δ T) superposition obtains transmitting signal waveform；
Wherein, transmitting signal waveform includes:
Wherein, xiCorresponding input data sequence Si, s (t) corresponds to output signal flow y.
Specifically, being N by having obtained length among the above in general OvTDM additive processsNew input data sequenceIs multiplied respectively with multiplexing waveform h (t) to each data, ask it is cumulative with,
Calculating process is equal to general OvTDM process.The output symbol stream y for being distributed in I, Q two-way is obtained, signal is launched.
Expression formula are as follows: y=∑ Si*h(t-i*△T)。
The cataloged procedure is as shown in Fig. 4, the arrangement of symbol additive process parallelogram.
Turbo iterative recursive serially concatenated OvFDM system construction drawing is as shown in Fig. 5, serial with Turbo iterative recursive
The difference of cascade OvTDM system transmitting terminal is only that S-OvFDM is carried out after adding up, and frequency-region signal is passed through fourier inverse transformation
Time-domain signal is converted to, then again by transmission to receiving end.
The equivalent waveform convolutional encoding model of OvFDM is as shown in Fig. 6；Its cataloged procedure is as shown in Fig. 7, symbol superposition
The arrangement of process parallelogram.
Due to the raising in real system with spectrum efficiency, thresholding signal-to-noise ratio can also be increased accordingly；Under high spectrum efficiency
It needs many level numbers and system complexity is higher, performance advantage unconspicuous problem when low frequency spectrum efficiency.
After using Turbo recursive iteration serially concatenated OvXDM structure in data processing method provided by the present application, on the one hand
The equivalent encoding constraint length that OvXDM coding can be increased, provides considerable coding gain.On the other hand OvXDM can be reduced
Spectrum efficiency, channel coding low using code rate, high gain can increase substantially OvXDM in low frequency spectrum efficiency band
Performance, level number and complexity needed for reducing under identical spectrum efficiency, enables system to get a promotion；Simultaneously because system is drawn
Enter recursive structure, lower signal-to-noise ratio just can reach the lower bit error rate in high spectrum efficiency, and since system introduces I, Q two-way
Data are transmitted, therefore system reliability also gets a promotion.
Turbo recursive iteration serial concatenated structure includes two-stage coding, can be understood as general QAM system and common
The combination of OvXDM system, using the respective advantage of both systems, if QAM can introduce preferable coding gain, OvXDM is in height
There is preferable performance etc. when spectrum efficiency, enables newly-generated Turbo recursive iteration serial concatenated structure by combination
Enough advantages for not only inheriting the two, but also it is avoided that the defect of respective system again.
Interleaver, recursive feedback, the design method of the two modules are introduced in Turbo recursive iteration serial concatenated structure
Comprising a variety of, every kind of method can all can be carried out improvement to system and be promoted, can be according to system index flexible design；And it was decoding
Iterative decoding method can be used in journey, and with the increase of iterative decoding number, the bit error rate can be lower and lower, simultaneity factor complexity
Can be higher and higher, depending on specific the number of iterations can be according to system index.
It should be noted that data processing method provided by the present application in addition to applying in OvXDM system, can also answer extensively
For in practical mobile communication system, such as TD-LTE, TD-SCDMA system, it is also widely applied to satellite communication, microwave view
It is communicated etc. in any wireless communication system away from communication, scatter communication, atmosphere optic communication, infrared communication with aquatic.Wherein, this Shen
The data processing method that please be provided both can be applied to large capacity wireless transmission, also can be applied to the light-duty radio of low capacity
System.
Embodiment 2
According to an aspect of an embodiment of the present invention, another data processing method is provided, Fig. 8 is real according to the present invention
The flow diagram of another data processing method of example is applied, as shown in figure 8, receiving end side, this method comprises:
The signal received is carried out matched filtering, obtains filtered signal by step S802, receiving end；
Step S804, receiving end carries out first via output data to filtered signal and the second tunnel output data separates,
And to after separation first via output data and the second tunnel output data be sampled, decode respectively, respectively obtain corresponding first
The bit stream of road output data and the second tunnel output data.
Specifically, specific as follows in receive process in data processing method provided by the present application:
Transmitting terminal launches the signal after coded modulation by antenna, and signal is transmitted by wireless channel, receiving end
Signal will be received and carry out matched filtering, since transmitting terminal is that I, Q two-way send data, receive process need to carry out signal
I, Q is separated, then is sampled, is decoded respectively to two paths of signals, and conclusive judgement exports two-way bit stream.
Iterative decoding method is used in this structure, decoding block diagram is as shown in Fig. 9, and realization of decoding algorithm includes:
Map, log_map, max_log_map, sova etc., there are many implementation method, and specific algorithm is discussed in detail again in other patents.
Iterative decoding input/output relation is also in compliance with common OvXDM rule, and only status number becomes more, and encoding-decoding process is more complex, but has
Improve the reliability of system and the success rate of decoding.
The serially concatenated OvXDM system of Turbo recursive iteration, since serially concatenated OvXDM just provides coding bound relationship,
Therefore K1Bigger coding gain is higher, K1General value is 1~3, and spectrum efficiency is Output level number
ForIn high spectrum efficiency with extremely excellent performance；The spectrum efficiency of common OvXDM system is η=K/ symbol
Number, output level number is K+1；And the level number of the qam signal of same spectrum efficiency is then
Comparison serially concatenated OvXDM and common OvXDM structure, serial concatenated structure introduce considerable coding gain；It is right
Than serially concatenated and M-QAM system, in the case where same spectrum efficiency, level number needed for serial concatenated structure is less, simultaneously
System complexity is lower.
It with Gaussian window is multiplexing waveform, and the function expression of Gaussian window in data processing method provided by the present application are as follows:
Wherein, N is window length, and-N/2≤n≤N/2, α are parameter preset, shown in attached drawing 10 α be respectively 2.5,1.5,
The time domain waveform and frequency-domain waveform figure of Gauss (Gaussian) window when 0.5, present case is by taking α=2.5 as an example.It is shown in attached drawing 12
The time domain waveform and frequency-domain waveform figure of Gauss (Gaussian) window when α is 2.5.
Compare the waveform multiplexed result of the waveform multiplexing and common OvTDM of Turbo recursive iteration serially concatenated OvTDM structure
As shown in Fig. 11；The frequency-domain waveform multiplexed result for comparing Turbo recursive iteration serially concatenated OvFDM and common OvFDM is for example attached
Shown in Figure 13, frequency-domain waveform is converted into time-domain signal by fourier inverse transformation, corresponding time domain waveform is as shown in Fig. 14.
As seen from the figure, due to introducing the P-OvXDM of the first order in serial concatenated structure, superimposed waveform introduces coding
Gain.
Optionally, receiving end carries out first via output data to filtered signal in step S804 and the second tunnel exports
Before data separating, data processing method provided by the present application further include:
Step S803, recursive iteration serially concatenated be overlapped Frequency Division Multiplexing system in the case where, to the signal received by
Time-domain signal is converted to frequency-region signal.
In embodiments of the present invention, by the way of the Turbo recursive iteration serially concatenated OvXDM system of high spectrum efficiency,
The signal received is subjected to matched filtering by receiving end；Receiving end to filtered signal carry out first via output data and
The separation of second tunnel output data, and to after separation first via output data and the second tunnel output data be sampled, translate respectively
Code, respectively obtains the bit stream of corresponding first via output data and the second tunnel output data, has reached the mesh of lifting system performance
, thus realize using after Turbo recursive iteration serially concatenated OvXDM structure, on the one hand can increase OvXDM coding etc.
Encoding constraint length is imitated, considerable coding gain is provided.On the other hand the spectrum efficiency of OvXDM can be reduced, low using code rate,
The channel coding of high gain can increase substantially OvXDM in the performance of low frequency spectrum efficiency band, reduce identical spectrum efficiency
Under required level number and complexity, so that system performance is got a promotion；Simultaneously because system introduces recursive structure, in high spectrum efficiency
When lower signal-to-noise ratio just can reach the lower bit error rate, and transmit data since system introduces I, Q two-way, system is reliable
The technical effect that property also gets a promotion, and then solve real system with the raising of spectrum efficiency, thresholding signal-to-noise ratio also can be with
Raising；Many level numbers are needed under high spectrum efficiency and system complexity is higher, and performance advantage is unknown when low frequency spectrum efficiency
Aobvious technical problem.
Embodiment 3
Other side according to an embodiment of the present invention, provides a kind of data processing equipment, and Figure 15 is according to the present invention
A kind of structural schematic diagram of data processing equipment of embodiment is sending end side as shown in figure 15, comprising:
First coding module 1502 is obtained for encoding the bit stream obtained in advance by presetting pure overlapping multiplexing
Output symbol sequence；Second coding module 1504, for being carried out by default bias overlapping multiplexing coding to output symbol sequence
Recurrence coding, obtains signal to be sent；Wherein, the second coding module 1504 includes: recursive unit, for output symbol sequence
Recursion process is carried out, data sequence is obtained；Coding unit obtains output symbol for carrying out overlapping multiplexing coding to data sequence
Number stream；Determination unit, for output symbol stream to be determined as signal to be sent.
Optionally, the first coding module 1502 includes: serioparallel exchange unit, for carrying out serioparallel exchange to bit stream, is obtained
To K1Circuit-switched data；Weighted sum unit, for K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data is asked
With obtain first via output data；Superpositing unit, for first via output data and the second tunnel output data to be overlapped,
Obtain output symbol sequence.
Further, optionally, superpositing unit includes: intertexture subelement, for interweaving to bit stream, and will be interweaved
Bit stream afterwards carries out serioparallel exchange, obtains K1Circuit-switched data；Weighted sum subelement, for K1Circuit-switched data is weighted respectively,
And to the K after weighting1Circuit-switched data is summed, and the second tunnel output data is obtained.
Optionally, the second coding module 1504 includes: recurrence module, for carrying out Recursion process to output symbol sequence,
Obtain data sequence；Coding module obtains output symbol stream for carrying out overlapping multiplexing coding to data sequence；Determining module,
For output symbol stream to be determined as signal to be sent.In embodiments of the present invention, using the Turbo recursive iteration of high spectrum efficiency
The mode of serially concatenated OvXDM system, the bit stream by obtaining in advance obtain output symbol by presetting pure superimposed coding
Sequence；Recurrence superposition is carried out to output symbol sequence by default bias superimposed coding, signal to be sent is obtained, has reached promotion
On the one hand the purpose of system performance can increase to realize using after Turbo recursive iteration serially concatenated OvXDM structure
The equivalent encoding constraint length of OvXDM coding, provides considerable coding gain.On the other hand the frequency spectrum effect of OvXDM can be reduced
Rate, channel coding low using code rate, high gain can increase substantially OvXDM in the performance of low frequency spectrum efficiency band, subtract
Level number and complexity needed for having lacked under identical spectrum efficiency, make system performance get a promotion；Simultaneously because system introduces recurrence
Structure, in high spectrum efficiency, lower signal-to-noise ratio just can reach the lower bit error rate, and transmit number since system introduces I, Q two-way
According to, therefore the technical effect that system reliability also gets a promotion, and then solve real system with the raising of spectrum efficiency, door
Limit signal-to-noise ratio can also increase accordingly；Many level numbers are needed under high spectrum efficiency and system complexity is higher, low frequency spectrum efficiency
When the unconspicuous technical problem of performance advantage.
Embodiment 4
Other side according to an embodiment of the present invention, provides another data processing equipment, and Figure 16 is according to this hair
The structural schematic diagram of another data processing equipment of bright embodiment, as shown in figure 16, in receiving end, comprising:
Filter module 1602 obtains filtered signal for the signal received to be carried out matched filtering；Decoder module
1604, it is separated for carrying out first via output data and the second tunnel output data to filtered signal, and to the after separation
Output data and the second tunnel output data are sampled respectively, decode all the way, respectively obtain corresponding first via output data and
The bit stream of two tunnel output datas.
Optionally, data processing equipment provided by the present application further include: conversion module, for filtered signal into
It is overlapping frequency division multiplexing in recursive iteration the serial concatenation system before row first via output data and the separation of the second tunnel output data
In the case where system, frequency-region signal is converted to by time-domain signal to the signal received.
In embodiments of the present invention, by the way of the Turbo recursive iteration serially concatenated OvXDM system of high spectrum efficiency,
The signal received is subjected to matched filtering by receiving end；Receiving end to filtered signal carry out first via output data and
The separation of second tunnel output data, and to after separation first via output data and the second tunnel output data be sampled, translate respectively
Code, respectively obtains the bit stream of corresponding first via output data and the second tunnel output data, has reached the mesh of lifting system performance
, thus realize using after Turbo recursive iteration serially concatenated OvXDM structure, on the one hand can increase OvXDM coding etc.
Encoding constraint length is imitated, considerable coding gain is provided.On the other hand the spectrum efficiency of OvXDM can be reduced, low using code rate,
The channel coding of high gain can increase substantially OvXDM in the performance of low frequency spectrum efficiency band, reduce identical spectrum efficiency
Under required level number and complexity, so that system performance is got a promotion；Simultaneously because system introduces recursive structure, in high spectrum efficiency
When lower signal-to-noise ratio just can reach the lower bit error rate, and transmit data since system introduces I, Q two-way, system is reliable
The technical effect that property also gets a promotion, and then solve real system with the raising of spectrum efficiency, thresholding signal-to-noise ratio also can be with
Raising；Many level numbers are needed under high spectrum efficiency and system complexity is higher, and performance advantage is unknown when low frequency spectrum efficiency
Aobvious technical problem.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (13)
1. a kind of data processing method characterized by comprising
The bit stream obtained in advance is encoded by presetting pure overlapping multiplexing, obtains output symbol sequence；
Recurrence coding is carried out to the output symbol sequence by default bias overlapping multiplexing coding, obtains signal to be sent；
Wherein, described that recurrence coding is carried out to the output symbol sequence by default bias overlapping multiplexing coding, it obtains pending
The number of delivering letters includes: to carry out Recursion process to the output symbol sequence, obtains data sequence；The data sequence is overlapped
Multiplexing and encoding obtains output symbol stream；The output symbol stream is determined as the signal to be sent.
2. the method according to claim 1, wherein the bit stream that will be obtained in advance passes through default purely weight
Folded multiplexing and encoding, obtaining output symbol sequence includes:
Serioparallel exchange is carried out to the bit stream, obtains K1Circuit-switched data；
To the K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data is summed, and first via output is obtained
Data；
The first via output data and the second tunnel output data are overlapped, the output symbol sequence is obtained.
3. according to the method described in claim 2, it is characterized in that, the acquisition of second tunnel output data includes:
The bit stream is interleaved, and the bit stream after intertexture is subjected to serioparallel exchange, obtains K1Circuit-switched data；
To the K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data is summed, and second tunnel is obtained
Output data.
4. the method according to claim 1, wherein it is described to the output symbol sequence carry out Recursion process,
Obtaining data sequence includes:
By the input traffic P in the output symbol sequencei, i=1~NsShift register is passed sequentially through, is passed according to certain
Tap is returned to feed back the output of each bit shift register, and as new input S after adding with current input information mouldi,
Wherein recurrence tap can be indicated with recursion coefficient matrix, each is indicated by 0,1, and 0 is does not feed back, and 1 is feedback, the recursion coefficient
The size of matrix is by overlapping tupleIt determines；
Wherein, whenWhen recurrence tap coefficient matrix is [1 1 1], recursive feedback includes: will be in the output symbol sequence
Input traffic PiIt is successively shifted by shift register, first data P of input1It is directly defeated without shift register
Out, new data are obtained and are denoted as S1；Second data P2After arrival, by S1It is shifted by first time delay shift registers, simultaneously
Feedback and P2Modulus adds operation to obtain new output, is denoted as S2；Third data P3After arrival, by S2It is moved by first time delay
Bit register displacement, and is fed back, while by S1It shifts, and is fed back by second time delay shift registers, by two
The feedback and P of a shift register3Modulus adds operation to obtain new output, is denoted as S3；Until Recursion process obtains, length Ns
Input data sequence
By the input data sequenceIt is determined as the data sequence.
5. the method according to claim 1, wherein it is described to the data sequence carry out overlapping multiplexing coding,
Obtaining output symbol stream includes:
To the data sequenceIn every number respectively with answering in modulation domain
It is multiplied with waveform, and asks and add up and obtain output symbol stream y.
6. according to the method described in claim 5, it is characterized in that, described to the data sequenceIn every number be multiplied respectively with the multiplexing waveform in modulation domain, and ask cumulative
With obtaining the output symbol stream y includes:
Envelope waveform is generated in modulation domain according to design parameter；
The envelope waveform is shifted in modulation domain by scheduled shift intervals according to overlapping tuple, is obtained in modulation domain
Each displacement envelope waveform；
By the symbol S in sequence to be modulatediIt is multiplied with corresponding displacement envelope waveform, obtains each modulation packet in modulation domain
Network waveform；
Each modulation envelope waveform is overlapped in modulation domain, obtains the output symbol stream y.
7. a kind of data processing method characterized by comprising
The signal received is carried out matched filtering by receiving end, obtains filtered signal；
Receiving end carries out first via output data to the filtered signal and the second tunnel output data separates, and to described point
First via output data and the second tunnel output data from after are sampled respectively, decode, and respectively obtain the corresponding first via
The bit stream of output data and second tunnel output data.
8. the method according to the description of claim 7 is characterized in that carrying out the first via to the filtered signal in receiving end
Before output data and the separation of the second tunnel output data, the method also includes:
In the case where recursive iteration serially concatenated is overlapped Frequency Division Multiplexing system, the signal received is turned by time-domain signal
It is changed to frequency-region signal.
9. a kind of data processing equipment characterized by comprising
First coding module obtains output symbol for encoding the bit stream obtained in advance by presetting pure overlapping multiplexing
Sequence；
Second coding module, for carrying out recurrence coding to the output symbol sequence by default bias overlapping multiplexing coding,
Obtain signal to be sent；Wherein, second coding module includes: recursive unit, for carrying out to the output symbol sequence
Recursion process obtains data sequence；Coding unit obtains output symbol for carrying out overlapping multiplexing coding to the data sequence
Number stream；Determination unit, for the output symbol stream to be determined as the signal to be sent.
10. device according to claim 9, which is characterized in that first coding module includes:
Serioparallel exchange unit obtains K for carrying out serioparallel exchange to the bit stream1Circuit-switched data；
Weighted sum unit, for the K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data is asked
With obtain first via output data；
Superpositing unit obtains the output symbol for the first via output data and the second tunnel output data to be overlapped
Number sequence.
11. device according to claim 10, which is characterized in that the superpositing unit includes:
Intertexture subelement carries out serioparallel exchange for being interleaved to the bit stream, and by the bit stream after intertexture, obtains
To K1Circuit-switched data；
Weighted sum subelement, for the K1Circuit-switched data is weighted respectively, and to the K after weighting1Circuit-switched data carries out
Summation, obtains second tunnel output data.
12. a kind of data processing equipment characterized by comprising
Filter module obtains filtered signal for the signal received to be carried out matched filtering；
Decoder module, for carrying out first via output data and the separation of the second tunnel output data to the filtered signal, and
To after the separation first via output data and the second tunnel output data be sampled, decode respectively, respectively obtain corresponding institute
State the bit stream of first via output data and second tunnel output data.
13. device according to claim 12, which is characterized in that described device further include:
Conversion module, for separating it to the filtered signal progress first via output data and the second tunnel output data
Before, in the case where recursive iteration serially concatenated is overlapped Frequency Division Multiplexing system, the signal received is turned by time-domain signal
It is changed to frequency-region signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711415069.0A CN109962748A (en) | 2017-12-22 | 2017-12-22 | Data processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711415069.0A CN109962748A (en) | 2017-12-22 | 2017-12-22 | Data processing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109962748A true CN109962748A (en) | 2019-07-02 |
Family
ID=67020456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711415069.0A Pending CN109962748A (en) | 2017-12-22 | 2017-12-22 | Data processing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109962748A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417817A (en) * | 2019-08-30 | 2019-11-05 | 哈尔滨工业大学 | A kind of encryption in physical layer based on interleaved multi-user, decryption method and system |
| CN110808741A (en) * | 2019-11-19 | 2020-02-18 | 安徽新华学院 | LDPC channel coding method based on OVTDM and CS in WSN |
| WO2022012632A1 (en) * | 2020-07-16 | 2022-01-20 | 维沃移动通信有限公司 | Information sending method and receiving method, and communication device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431393A (en) * | 2007-11-05 | 2009-05-13 | 中国移动通信集团公司 | Overlapping multiplexing transmission method, base station and user terminal |
| CN101557364A (en) * | 2009-05-12 | 2009-10-14 | 山东大学 | Joint-iterative channel estimation and decoding method of Turbo-OvCDM system |
| US20100284427A1 (en) * | 2007-12-29 | 2010-11-11 | Guangyi Liu | Method, communication apparatus for transmitting data in a communication system and the communication system |
| CN106911455A (en) * | 2015-12-23 | 2017-06-30 | 深圳超级数据链技术有限公司 | A kind of overlapped time division multiplexing modulator approach, apparatus and system |
-
2017
- 2017-12-22 CN CN201711415069.0A patent/CN109962748A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431393A (en) * | 2007-11-05 | 2009-05-13 | 中国移动通信集团公司 | Overlapping multiplexing transmission method, base station and user terminal |
| US20100284427A1 (en) * | 2007-12-29 | 2010-11-11 | Guangyi Liu | Method, communication apparatus for transmitting data in a communication system and the communication system |
| CN101557364A (en) * | 2009-05-12 | 2009-10-14 | 山东大学 | Joint-iterative channel estimation and decoding method of Turbo-OvCDM system |
| CN106911455A (en) * | 2015-12-23 | 2017-06-30 | 深圳超级数据链技术有限公司 | A kind of overlapped time division multiplexing modulator approach, apparatus and system |
Non-Patent Citations (1)
| Title |
|---|
| 董璇: ""OVTDM技术以及Turbo-OVTDM技术应用在多载波系统中的性能研究"", 《中国优秀硕士学位论文全文库 信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417817A (en) * | 2019-08-30 | 2019-11-05 | 哈尔滨工业大学 | A kind of encryption in physical layer based on interleaved multi-user, decryption method and system |
| CN110808741A (en) * | 2019-11-19 | 2020-02-18 | 安徽新华学院 | LDPC channel coding method based on OVTDM and CS in WSN |
| WO2022012632A1 (en) * | 2020-07-16 | 2022-01-20 | 维沃移动通信有限公司 | Information sending method and receiving method, and communication device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103684477B (en) | Generation method and generation device for mixed polar code | |
| CN109921882B (en) | Deep learning-based MIMO decoding method, device and storage medium | |
| CN101039119B (en) | Encoding and decoding methods and systems | |
| CN109962748A (en) | Data processing method and device | |
| CN101969325B (en) | Multi-antenna transmission apparatus and method, multi-antenna reception apparatus and method | |
| CN100373840C (en) | Method and apparatus for detecting normalized iterative soft interference cancelling signal | |
| CN101425871B (en) | Multi-element error correcting code transmitting and receiving apparatus, data communication system and related method | |
| CN108809477B (en) | Processing method, device and system of overlapping multiplexing system | |
| CN105356971A (en) | SCMA decoder based on probability calculation | |
| CN110011946B (en) | Enhanced transmit diversity-capable orthogonal spatial modulation method supporting fast decoding | |
| CN110855328B (en) | Differential spatial modulation method, device and storage medium based on antenna grouping | |
| CN110808824A (en) | High-spectrum-efficiency sparse code multiple access method for low-earth satellite-earth link | |
| CN109995380A (en) | Interpretation method and equipment | |
| CN103929210A (en) | Hard decision decoding method based on genetic algorithm and neural network | |
| CN101632248B (en) | A method for coded multiplexing and multi-address transmission | |
| CN107911152B (en) | Space coding modulation system and method suitable for any number of transmitting antennas | |
| CN108667561B (en) | Signal processing method, signal processing device, storage medium and processor | |
| CN104135347A (en) | Dirty paper coding and decoding method based on joint lattice forming technology in cognitive network | |
| Jin et al. | Cascading polar coding and LT coding for radar and sonar networks | |
| CN109962749A (en) | Overlapping multiplexing system and its treating method and apparatus, storage medium, processor | |
| CN102882654A (en) | Encoding constraint and probability calculation based encoding and decoding synchronization method | |
| CN108761438A (en) | Radar-communication integration Design of Signal method based on MPSK-DSSS | |
| CN109962752A (en) | Overlapping multiplexing coding method, device and system | |
| CN107707329A (en) | Sparse Code multiple access system and its multi-user test method | |
| CN110198199A (en) | Overlapping multiplexing system and its treating method and apparatus, storage medium, processor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190830 Address after: 518057 2nd Floor, No. 9 Software Building, Zhongxin Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: SHEN ZHEN KUANG-CHI HEZHONG TECHNOLOGY Ltd. Address before: Bantian street Longgang District of Shenzhen City, Guangdong province 518000 Jihua Road, the new world Huasai Industrial Area No. 2, building 101 (two floor) 201 Applicant before: SHENZHEN SUPER DATA LINK TECHNOLOGY Ltd. |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190702 |