CN110365445A - A kind of sequence determines method, apparatus and encoder - Google Patents
A kind of sequence determines method, apparatus and encoder Download PDFInfo
- Publication number
- CN110365445A CN110365445A CN201810253323.XA CN201810253323A CN110365445A CN 110365445 A CN110365445 A CN 110365445A CN 201810253323 A CN201810253323 A CN 201810253323A CN 110365445 A CN110365445 A CN 110365445A
- Authority
- CN
- China
- Prior art keywords
- safety index
- modulation
- modulation system
- symbol
- noise variance
- 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.)
- Granted
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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
Abstract
The embodiment of the invention discloses a kind of sequences to determine method, the modulation system of transmission after the code word size value and the polarization code for obtaining polarization code encode；According to the modulation system and preset noise variance value, determine that length is the reliable degree series of N, wherein the N is equal with the code word size value, and the positive integer of the power side for 2.The embodiment of the invention also discloses a kind of Sequence Determination Means, encoder and computer readable storage mediums, suitable for different modulation systems, in this way if when transmission is using high order modulation, it is contemplated that by the asymmetry for the bit reliability that modulation introduces, ensure that the decoding performance of polarization code.
Description
Technical field
The present invention relates to fields of communication technology more particularly to a kind of sequence to determine that method, apparatus, encoder and computer can
Read storage medium.
Background technique
Polarization code is a kind of channel coding schemes based on channel-polarization Digital Signal Processing.Channel-polarization by two into
Memoryless channel processed introduces correlation by channel segmentation, combining channel operation, interdepends to obtain one group of new having
The binary system polarisation channel of relationship.When the number of channel for participating in channel-polarization is enough, obtained polarisation channel (bit letter
Road) channel capacity will appear polarization phenomena, i.e., the capacity of a part of channel will tend to 1, remaining then tends to 0.Utilize this
Free bit, can be carried on the high bit channel of channel capacity by kind polarization phenomena, and on the low bit channel of channel capacity
Fixed bit is carried, to promote transmission reliability.
At present about the discussion of polarization code mostly or based on low-order-modulated, such as binary phase shift keying (BPSK, Binary
Phase Shift Keying) and two kinds of sides of quadrature phase shift keying (QPSK, Quadrature Phase Shift Keying)
Formula.The reliability for the bit that both low-order-modulated mode symbols are included be it is identical, i.e., modulation be symmetrical.However, being
More data can be transmitted, industry starts to consider the option of high order modulation.And in high order modulation, such as 16 quadrature amplitudes
It modulates (16QAM, 16Quadrature Amplitude Modulation), 64 quadrature amplitude modulations (64QAM,
64Quadrature Amplitude Modulation), the reliability of the included bit of modulation symbol be it is different, that is, adjust
System is asymmetric.Polarization code information bit and freezes bit and is selected according to the reliability of bit channel in coding.Mesh
Preceding reliable degree series calculation is all based on symmetric modulation to carry out, if using asymmetric high-order modulating,
It is bound to cause reliability mismatch and leads to the loss of performance.
Summary of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of sequence and determines method, apparatus, encoder
And computer readable storage medium, suitable for different modulation systems, in this way if when transmission is using high order modulation, it is contemplated that by
The asymmetry for modulating the bit reliability introduced, ensure that the decoding performance of polarization code.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is achieved in that
The embodiment of the present invention provides a kind of sequence and determines method, comprising:
The modulation system of transmission after the code word size value and the polarization code for obtaining polarization code encode；
According to the modulation system and preset noise variance value, determine that length is the reliable degree series of N, wherein the N
It is equal with the code word size value, and the positive integer of the power side for 2.
Optionally, described according to the modulation system and preset noise variance value, determine that length is the reliability sequence of N
Column, comprising:
It is described that N number of first safety index is determined according to the modulation system and preset noise variance value；
Calculating is iterated to N number of first safety index respectively and obtains N number of second safety index；
N number of second safety index is ranked up, the reliable degree series that length is N are obtained.
Optionally, described that N number of first safety index is determined according to the modulation system and preset noise variance value, packet
It includes:
According to the modulation system and preset noise variance value, the safety index of bit number contained by modulation system is determined
αi, wherein i=1,2 ..., q, the q are the order of modulation of the modulation system；
To N number of first safety indexCarry out assignment, wherein(tmodq)=
I, (tmodq) indicate complementation.
Optionally,
Wherein, r1For first dimension of complex random variable in the corresponding modulation constellation of the modulation system, r2For institute
Second dimension of complex random variable in the corresponding modulation constellation of modulation system is stated,
Wherein, sm(m=1 ..., 2q) indicate m-th of constellation symbol in modulation constellation, sm∈ A, A indicate modulation constellation
The above corresponding assemble of symbol of all modulation symbols,Indicate the assemble of symbol that the corresponding ith bit of modulation symbol is 0,It indicates
The assemble of symbol that the corresponding ith bit of modulation symbol is 1, sm,1And sm,2Respectively indicate m-th of constellation symbol s in planispherem's
The value of two dimensions, σ2Table is preset noise variance value.
Optionally, described that calculating acquisition N number of second reliability system is iterated to N number of first safety index respectively
Number, comprising:
According to preset formula respectively to N number of first safety indexCarry out n times iteration meter
It calculates, obtains N number of second safety index
Wherein, preset formula includes:n
=log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.
Optionally, described that N number of second safety index is ranked up, obtain the reliable degree series that length is N, packet
It includes:
N number of second safety index is ranked up according to the sequence of the second safety index from big to small, is sorted
The sequence that N number of second safety index afterwards is formed is the reliable degree series that length is N.
The embodiment of the present invention also provides a kind of Sequence Determination Means simultaneously, comprising: acquiring unit, determination unit, wherein
The acquiring unit, the tune of transmission after code word size value and the polarization code for obtaining polarization code encode
Mode processed；
The determination unit, for determining that length is the reliable of N according to the modulation system and preset noise variance value
Degree series, wherein the N is equal with the code word size value, and the positive integer of the power side for 2.
Optionally, the determination unit, is specifically used for:
It is described that N number of first safety index is determined according to the modulation system and preset noise variance value；
Calculating is iterated to N number of first safety index respectively and obtains N number of second safety index；
N number of second safety index is ranked up, the reliable degree series that length is N are obtained.
Optionally, the determination unit is specifically used for determining and adjusting according to the modulation system and preset noise variance value
The safety index α of bit number contained by mode processedi, wherein i=1,2 ..., q, the q are the modulation order of the modulation system
Number；It is also used to N number of first safety indexCarry out assignment, wherein(tmodq)=
I, (tmodq) indicate complementation.
Optionally, the determination unit is specifically used for according to preset formula respectively to N number of first safety indexN times iterative calculation is carried out, N number of second safety index is obtained
Wherein, preset formula includes:n
=log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.
The embodiment of the present invention also provides a kind of encoder simultaneously, comprising: processor, memory and communication bus；It is described logical
Believe bus for realizing the connection communication between processor and memory；The processor is for executing the sequence stored in memory
The step of column determine program, described in any item methods as above with realization.
The embodiment of the present invention also provides a kind of computer readable storage medium simultaneously, and the computer readable storage medium is deposited
One or more program is contained, one or more of programs can be executed by one or more processor, to realize such as
The step of upper described in any item methods.
The embodiment of the invention provides a kind of sequences to determine method, apparatus, encoder and computer readable storage medium, obtains
Take polarization code code word size value and the polarization code coding after transmission modulation system；According to the modulation system and in advance
If noise variance value, determine that length is the reliable degree series of N, wherein the N is equal with the code word size value, and is 2
The positive integer of power side.Sequence provided in an embodiment of the present invention determines method, apparatus, encoder and computer-readable storage medium
Matter, suitable for different modulation systems, versatility is good, in this way if when transmission is using high order modulation, it is contemplated that introduced by modulation
Bit reliability asymmetry, ensure that the decoding performance of polarization code；And calculate simply, complexity is low, calculates structure
Consistent with decoding architecture, coding and decoding is unified, is convenient for hardware realization.
Detailed description of the invention
In attached drawing (it is not necessarily drawn to scale), similar appended drawing reference can describe phase in different views
As component.Similar reference numerals with different letter suffix can indicate the different examples of similar component.Attached drawing with example and
Unrestricted mode generally shows each embodiment discussed herein.
Fig. 1 is that sequence provided in an embodiment of the present invention determines method flow schematic diagram；
Fig. 2 is QPSK modulation constellation provided in an embodiment of the present invention；
Fig. 3 is 16QAM modulation constellation provided in an embodiment of the present invention；
Fig. 4 is Sequence Determination Means structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
The embodiment of the present invention provides a kind of sequence and determines method, and Fig. 1 is that a kind of sequence provided in an embodiment of the present invention determines
Implementation process schematic diagram, as shown in Figure 1, this method may comprise steps of:
The modulation system of transmission after step 101, the code word size value for obtaining polarization code and polarization code coding.
Specifically, sequence provided in an embodiment of the present invention determines that the executing subject of method is Sequence Determination Means, i.e. sequence
The modulation system of transmission, the sequence determine after the code word size value and polarization code coding of determining device acquisition polarization code
Device is specifically as follows encoder.
It should be noted that polarization code needs first to carry out different type bit based on reliable degree series in coding
It places, then is encoded.Reliable degree series determine the polarization performance of polarization code, also just determine the decoding performance of polarization code.
The sequence of polarization code coding side provided in an embodiment of the present invention determines, including but not limited at the scene programmable gate array (FPGA,
Field-Programmable Gate Array), digital signal processor (DSP, Digital Signal
) and specific integrated circuit (ASIC, Application Specific Integrated Circuit) etc. Processing
It is realized on device and chip.
Specifically, Sequence Determination Means obtain the code word size value N of polarization code, due to the property of polarization code, N must be one
The positive integer of a 2 power side.Sequence Determination Means obtain the modulation system of transmission after coding, transmission after the coding
Modulation system can also can be other modulation systems, the embodiment of the present invention pair for BPSK, QPSK, 16QAM, 64QAM etc.
This is not limited.
Step 102, according to the modulation system and preset noise variance value, determine that length is the reliable degree series of N.
Wherein, the N is equal with the code word size value, and the positive integer of the power side for 2.
With specific reference to the modulation system and preset noise variance value, determine that the reliable degree series that length is N include: root
N number of first safety index is determined according to the modulation system and preset noise variance value；Respectively to N number of first reliability
Coefficient is iterated calculating and obtains N number of second safety index；N number of second safety index is ranked up, is grown
Degree is the reliable degree series of N.
Wherein, N number of first safety index respectively corresponds the position number of N number of bit, the range of the coefficient of N number of reliability
It is [0,1].Preset noise variance value can be 1, can also be the noise variance of actual channel estimation, the embodiment of the present invention
This is not limited.
N number of first safety index is determined with specific reference to the modulation system and preset noise variance value, may include:
According to the modulation system and preset noise variance value, the safety index of bit number contained by modulation system is determined
αi, wherein i=1,2 ..., q, the q are the order of modulation of the modulation system；
To N number of first safety indexCarry out assignment, wherein(tmodq)=
I, (tmodq) indicate complementation.
Here,
Wherein, r1For first dimension of complex random variable in the corresponding modulation constellation of the modulation system, r2For institute
Second dimension of complex random variable in the corresponding modulation constellation of modulation system is stated,
Wherein, sm(m=1 ..., 2q) indicate m-th of constellation symbol in modulation constellation, sm∈ A, A indicate modulation constellation
The above corresponding assemble of symbol of all modulation symbols,Indicate the assemble of symbol that the corresponding ith bit of modulation symbol is 0,It indicates
The assemble of symbol that the corresponding ith bit of modulation symbol is 1, sm,1And sm,2Respectively indicate m-th of constellation symbol s in planispherem's
The value of two dimensions, σ2Table is preset noise variance value.
Specifically, being iterated calculating to initial N number of safety index, each iteration generates new N number of reliability
Coefficient, by log2N times iteration obtains final N number of safety index, i.e., N number of second safety index.In each iteration
In, the range of safety index is [0,1].
Calculating specifically is iterated to N number of first safety index respectively and obtains N number of second safety index, it can be with
Include:
According to preset formula respectively to N number of first safety indexCarry out n times iteration meter
It calculates, obtains N number of second safety index
Wherein, preset formula includes:n
=log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.
Specifically, Sequence Determination Means by it is described to N number of second safety index according to the second safety index from
Small sequence is arrived greatly to be ranked up, and obtains the reliable degree series that length is N.Serial number corresponding safety index in bit position is got over
Small, reliability is higher.
Further, N number of second safety index is ranked up described, obtains the reliability sequence that length is N
After column, further includes:
The reliable degree series that the length of acquisition is N are stored, in the reliability sequence for directly reading storage in coding
Column.
Specifically, reliable degree series can be calculated according to different code lengths and transmission modulation system, by the reliability of calculating
Sequence storage, in this way, directly reading reliable degree series in coding.
Sequence provided in an embodiment of the present invention determines method, and suitable for different modulation systems, versatility is good, in this way if
When transmission is using high order modulation, it is contemplated that by the asymmetry for the bit reliability that modulation introduces, ensure that the decoding of polarization code
Performance；And calculate simply, complexity is low, and calculating structure is consistent with decoding architecture, and coding and decoding is unified, is convenient for hardware realization, root
Storage is precalculated according to different situations, is directly read in coding.
Embodiment two
If being that N=16 calculates reliable degree series when signal transmission modulation system is QPSK to code word size.The tune of QPSK
Planisphere processed shares 2 as shown in Fig. 2, QPSK is modulated to 2 contrast systems2=4 modulation symbols, each symbol include 2 bits.
The step of calculating reliable degree series is as described below.
The safety index that QPSK modulates corresponding 2 bits is calculated, α is set toi(i=1,2)；Wherein,
And p (r1,r2|0i) and p (r1,r2|1i) be respectively as follows:
Wherein, q is order of modulation, when QPSK, q=2.sm(m=1 ..., 2q) indicate m-th of constellation symbol on planisphere,
Belong to set sm∈ A, A indicate the corresponding assemble of symbol of all modulation symbols in modulation constellation.Indicate that modulation symbol is corresponding
Ith bit be 0 assemble of symbol,Indicate the assemble of symbol that the corresponding ith bit of modulation symbol is 1.sm,1And sm,2Respectively
Indicate m-th of constellation symbol s in planispheremTwo dimensions value.σ2The noise variance for indicating setting, can be set to 1.
If N=16 initial reliability coefficient isAssignment is carried out,
Wherein, (tmodq) indicates complementation.
Calculating is iterated to initial N number of safety index,
Wherein, n=log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.By n times iteration, obtain most
Whole N number of safety index
Finally obtained N number of safety index is ranked up, the reliable degree series that length is N are obtained.Bit position sequence
Number corresponding safety index is smaller, and reliability is higher.
N=16, signal transmit the reliable degree series that modulation system is QPSK are as follows:
R=[16,15,14,12,8,13,11,10,7,6,4,9,5,3,2,1]
Wherein, reliability arranges from high to low.
Sequence provided in an embodiment of the present invention determines method, and suitable for different modulation systems, versatility is good, in this way if
When transmission is using high order modulation, it is contemplated that by the asymmetry for the bit reliability that modulation introduces, ensure that the decoding of polarization code
Performance；And calculate simply, complexity is low, and calculating structure is consistent with decoding architecture, and coding and decoding is unified, is convenient for hardware realization, root
Storage is precalculated according to different situations, is directly read in coding.
Embodiment three
If being that N=16 calculates reliable degree series when signal transmission modulation system is 16QAM to code word size.16QAM's
Modulation constellation shares 2 as shown in figure 3,16QAM is modulated to 4 contrast systems4=16 modulation symbols, each symbol include 4 ratios
It is special.The step of calculating reliable degree series is as described below.
The safety index that 16QAM modulates corresponding 4 bits is calculated, α is set toi(i=1,2,3,4).Wherein,
And p (r1,r2|0i) and p (r1,r2|1i) be respectively as follows:
Wherein, q is order of modulation, when 16QAM, q=4.sm(m=1 ..., 2q) indicate m-th of constellation symbol on planisphere,
Belong to set sm∈ A, A indicate the corresponding assemble of symbol of all modulation symbols in modulation constellation.Indicate that modulation symbol is corresponding
Ith bit be 0 assemble of symbol,Indicate the assemble of symbol that the corresponding ith bit of modulation symbol is 1.sm,1And sm,2Respectively
Indicate m-th of constellation symbol s in planispheremTwo dimensions value.σ2The noise variance for indicating setting, can be set to 1.
If N=16 initial reliability coefficient isAssignment is carried out,
(tmodq)=i
Wherein, (tmodq) indicates complementation.
Calculating is iterated to initial N number of safety index,
Wherein, n=log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.By n times iteration, obtain most
Whole N number of safety index
Finally obtained N number of safety index is ranked up, the reliable degree series that length is N are obtained.Bit position sequence
Number corresponding safety index is smaller, and reliability is higher.
N=16, the reliable degree series that signal transmission modulation system is 16QAM are
R=[16,15,12,8,14,11,7,13,4,10,6,3,9,5,2,1]
Wherein, reliability arranges from high to low.
Sequence provided in an embodiment of the present invention determines method, and suitable for different modulation systems, versatility is good, in this way if
When transmission is using high order modulation, it is contemplated that by the asymmetry for the bit reliability that modulation introduces, ensure that the decoding of polarization code
Performance；And calculate simply, complexity is low, and calculating structure is consistent with decoding architecture, and coding and decoding is unified, is convenient for hardware realization, root
Storage is precalculated according to different situations, is directly read in coding.
Example IV
The embodiment of the present invention also provides a kind of Sequence Determination Means 20, as shown in Figure 4, comprising: acquiring unit 201 determines
Unit 202, wherein
The acquiring unit 201, transmission after code word size value and the polarization code for obtaining polarization code encode
Modulation system；
The determination unit 202, for determining that length is N's according to the modulation system and preset noise variance value
Reliable degree series, wherein the N is equal with the code word size value, and the positive integer of the power side for 2.
Further, the determination unit 202, is specifically used for:
It is described that N number of first safety index is determined according to the modulation system and preset noise variance value；
Calculating is iterated to N number of first safety index respectively and obtains N number of second safety index；
N number of second safety index is ranked up, the reliable degree series that length is N are obtained.
Further, the determination unit 202 is specifically used for according to the modulation system and preset noise variance value,
Determine the safety index α of bit number contained by modulation systemi, wherein i=1,2 ..., q, the q are the tune of the modulation system
Order processed；It is also used to N number of first safety indexCarry out assignment, wherein
(tmodq)=i, (tmodq) indicate complementation.
Further,
Wherein, r1For first dimension of complex random variable in the corresponding modulation constellation of the modulation system, r2For institute
Second dimension of complex random variable in the corresponding modulation constellation of modulation system is stated,
Wherein, sm(m=1 ..., 2q) indicate m-th of constellation symbol in modulation constellation, sm∈ A, A indicate modulation constellation
The above corresponding assemble of symbol of all modulation symbols,Indicate the assemble of symbol that the corresponding ith bit of modulation symbol is 0,It indicates
The assemble of symbol that the corresponding ith bit of modulation symbol is 1, sm,1And sm,2Respectively indicate m-th of constellation symbol s in planispherem's
The value of two dimensions, σ2Table is preset noise variance value.
Further, the determination unit 202 is specifically used for according to preset formula respectively to N number of first reliability
CoefficientN times iterative calculation is carried out, N number of second safety index is obtained
Wherein, preset formula includes:n
=log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.
Further, the determination unit 202 is specifically used for reliable according to second to N number of second safety index
Degree coefficient sequence from big to small is ranked up, the sequence that N number of second safety index after sequence is formed be length be N can
By degree series.
Specifically, the understanding of Sequence Determination Means provided in an embodiment of the present invention can determine method reality with reference to above-mentioned sequence
The explanation of example is applied, details are not described herein for the embodiment of the present invention.
Sequence Determination Means provided in an embodiment of the present invention, suitable for different modulation systems, versatility is good, in this way if
When transmission is using high order modulation, it is contemplated that by the asymmetry for the bit reliability that modulation introduces, ensure that the decoding of polarization code
Performance；And calculate simply, complexity is low, and calculating structure is consistent with decoding architecture, and coding and decoding is unified, is convenient for hardware realization, root
Storage is precalculated according to different situations, is directly read in coding.
The embodiment of the present invention also provides a kind of encoder, comprising: processor, memory and communication bus；The communication is total
Line is for realizing the connection communication between processor and memory；The processor is used to execute the sequence stored in memory true
Program is determined, to perform the steps of
The modulation system of transmission after the code word size value and the polarization code for obtaining polarization code encode；
According to the modulation system and preset noise variance value, determine that length is the reliable degree series of N, wherein the N
It is equal with the code word size value, and the positive integer of the power side for 2.
Specifically, the description of the above encoder embodiment, be with the description of above method embodiment it is similar, for this hair
Undisclosed technical detail in bright base station embodiment can determine that the explanation of embodiment of the method, the present invention are real with reference to above-mentioned sequence
Applying example, details are not described herein.
The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer-readable recording medium storage has
One or more program, one or more of programs can be executed by one or more processor, to realize following step
It is rapid:
The modulation system of transmission after the code word size value and the polarization code for obtaining polarization code encode；
According to the modulation system and preset noise variance value, determine that length is the reliable degree series of N, wherein the N
It is equal with the code word size value, and the positive integer of the power side for 2.
Above computer readable storage medium implements the description of item, be with above method description it is similar, there is Tongfang
The identical beneficial effect of method embodiment.For undisclosed technical detail in computer readable storage medium embodiment of the present invention,
Those skilled in the art please refers to the description of embodiment of the present invention method and understands.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention
Formula.Moreover, the present invention, which can be used, can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (12)
1. a kind of sequence determines method characterized by comprising
The modulation system of transmission after the code word size value and the polarization code for obtaining polarization code encode；
According to the modulation system and preset noise variance value, determine that length is the reliable degree series of N, wherein the N and institute
State that code word size value is equal, and the positive integer of the power side for 2.
2. the method according to claim 1, wherein described according to the modulation system and preset noise variance
Value determines that length is the reliable degree series of N, comprising:
It is described that N number of first safety index is determined according to the modulation system and preset noise variance value；
Calculating is iterated to N number of first safety index respectively and obtains N number of second safety index；
N number of second safety index is ranked up, the reliable degree series that length is N are obtained.
3. according to the method described in claim 2, it is characterized in that, described according to the modulation system and preset noise variance
Value determines N number of first safety index, comprising:
According to the modulation system and preset noise variance value, the safety index α of bit number contained by modulation system is determinedi,
In, i=1,2 ..., q, the q are the order of modulation of the modulation system；
To N number of first safety indexCarry out assignment, wherein(t mod q)=i,
(t mod q) indicates complementation.
4. according to the method described in claim 3, it is characterized in that,
Wherein, r1For first dimension of complex random variable in the corresponding modulation constellation of the modulation system, r2For the tune
Second dimension of complex random variable in the corresponding modulation constellation of mode processed,
Wherein, sm(m=1 ..., 2q) indicate m-th of constellation symbol in modulation constellation, sm∈ A, A indicate institute in modulation constellation
There is the corresponding assemble of symbol of modulation symbol,Indicate the assemble of symbol that the corresponding ith bit of modulation symbol is 0,Indicate modulation
The assemble of symbol that the corresponding ith bit of symbol is 1, sm,1And sm,2Respectively indicate m-th of constellation symbol s in planispheremTwo
The value of dimension, σ2Table is preset noise variance value.
5. the method according to claim 3 or 4, which is characterized in that it is described respectively to N number of first safety index into
Row iteration, which calculates, obtains N number of second safety index, comprising:
According to preset formula respectively to N number of first safety indexN times iterative calculation is carried out, is obtained
N number of second safety index
Wherein, preset formula includes:N=
log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.
6. method according to any one of claims 1 to 4, which is characterized in that described to N number of second safety index
It is ranked up, obtains the reliable degree series that length is N, comprising:
N number of second safety index is ranked up according to the sequence of the second safety index from big to small, the N after sequence
The sequence that a second safety index is formed is the reliable degree series that length is N.
7. a kind of Sequence Determination Means characterized by comprising acquiring unit, determination unit, wherein
The acquiring unit, the modulation methods of transmission after code word size value and the polarization code for obtaining polarization code encode
Formula；
The determination unit, for determining that length is the reliability sequence of N according to the modulation system and preset noise variance value
Column, wherein the N is equal with the code word size value, and the positive integer of the power side for 2.
8. device according to claim 7, which is characterized in that the determination unit is specifically used for:
It is described that N number of first safety index is determined according to the modulation system and preset noise variance value；
Calculating is iterated to N number of first safety index respectively and obtains N number of second safety index；
N number of second safety index is ranked up, the reliable degree series that length is N are obtained.
9. device according to claim 8, which is characterized in that the determination unit is specifically used for according to the modulation methods
Formula and preset noise variance value determine the safety index α of bit number contained by modulation systemi, wherein i=1,2 ..., q, institute
State the order of modulation that q is the modulation system；It is also used to N number of first safety indexIt carries out
Assignment, wherein(t mod q)=i, (t mod q) indicate complementation.
10. device according to claim 8, which is characterized in that
The determination unit is specifically used for according to preset formula respectively to N number of first safety index
N times iterative calculation is carried out, N number of second safety index is obtained
Wherein, preset formula includes:N=
log2N, and n is positive integer, k (k=1 ..., n) indicates the number of iterations.
11. a kind of encoder characterized by comprising processor, memory and communication bus；The communication bus is for real
Connection communication between existing processor and memory；The processor determines program for executing the sequence stored in memory,
To realize such as the step of method as claimed in any one of claims 1 to 6.
12. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be executed by one or more processor, to realize such as claim 1 to 6
The step of described in any item methods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253323.XA CN110365445B (en) | 2018-03-26 | 2018-03-26 | Sequence determination method, device and encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253323.XA CN110365445B (en) | 2018-03-26 | 2018-03-26 | Sequence determination method, device and encoder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110365445A true CN110365445A (en) | 2019-10-22 |
| CN110365445B CN110365445B (en) | 2022-02-25 |
Family
ID=68212236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810253323.XA Active CN110365445B (en) | 2018-03-26 | 2018-03-26 | Sequence determination method, device and encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110365445B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100114A1 (en) * | 2020-11-16 | 2022-05-19 | 华为技术有限公司 | Polarization coding method and apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099622A (en) * | 2015-07-01 | 2015-11-25 | 北京邮电大学 | Method and device for determining channel reliability in polarization coding modulation |
| CN105656604A (en) * | 2016-01-21 | 2016-06-08 | 北京邮电大学 | Bit interleaved polar code modulation method and apparatus |
| CN106506079A (en) * | 2016-11-29 | 2017-03-15 | 东南大学 | Polarization code Optimization Design in four color visible light communication systems |
| CN107342842A (en) * | 2016-08-11 | 2017-11-10 | 华为技术有限公司 | Method, apparatus and equipment for Polarization Coding |
| WO2017197358A1 (en) * | 2016-05-13 | 2017-11-16 | Intel Corporation | Polar code construction and encoding |
-
2018
- 2018-03-26 CN CN201810253323.XA patent/CN110365445B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099622A (en) * | 2015-07-01 | 2015-11-25 | 北京邮电大学 | Method and device for determining channel reliability in polarization coding modulation |
| CN105656604A (en) * | 2016-01-21 | 2016-06-08 | 北京邮电大学 | Bit interleaved polar code modulation method and apparatus |
| WO2017197358A1 (en) * | 2016-05-13 | 2017-11-16 | Intel Corporation | Polar code construction and encoding |
| CN107342842A (en) * | 2016-08-11 | 2017-11-10 | 华为技术有限公司 | Method, apparatus and equipment for Polarization Coding |
| CN106506079A (en) * | 2016-11-29 | 2017-03-15 | 东南大学 | Polarization code Optimization Design in four color visible light communication systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100114A1 (en) * | 2020-11-16 | 2022-05-19 | 华为技术有限公司 | Polarization coding method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110365445B (en) | 2022-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103370879B (en) | Use common mode inhibition and the SSO power recovered and the efficient chip of pin to chip communication | |
| US10623142B2 (en) | Method for determining an encoding scheme and symbol mapping | |
| US8139690B2 (en) | Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain | |
| KR102295870B1 (en) | Method and apparatus for quadrature amplitude modulation optimized for phase noise | |
| CN107135174B (en) | Signal transmission device, carrier phase recovery device and method | |
| CN101218773A (en) | Signal space expansion for 16 QAM scheme | |
| CN105122756B (en) | Method and apparatus for sending/receiving signal in a wireless communication system | |
| CN103634072A (en) | Information transmission method and apparatus | |
| CN103444113A (en) | Signaling data transmission transmitting split signaling data | |
| CN110365445A (en) | A kind of sequence determines method, apparatus and encoder | |
| EP2571222A2 (en) | Communication method of relay node using non-linear hybrid network coding and device using said method | |
| CN110535805B (en) | Additional information transmission method based on constellation rotation | |
| CN102246424B (en) | Method and transmitter for implementing dirty paper pre-coding by using phase shaping anew | |
| CN112491494B (en) | Code determining method, device, equipment and storage medium | |
| US7720093B2 (en) | Modulation multiplexing | |
| KR101629605B1 (en) | Hybrid Run-Length Modulation Scheme for Diffusive Molecular Communications | |
| CN106257853A (en) | Receiver and coding/decoding method thereof | |
| CN101179358B (en) | Method and apparatus for implementing space-time coding | |
| WO2023279924A1 (en) | Transmission method and apparatus | |
| CN111371530B (en) | Quadrature Amplitude Modulation (QAM) signal modulation and demodulation method and device | |
| US8681907B2 (en) | Iterative demapper | |
| KR20110137282A (en) | System and method of generating soft bits | |
| US9331885B2 (en) | Modulation with fundamental group | |
| CN104468023B (en) | Coding/decoding method and device | |
| CN114747185B (en) | Non-zero insertion based modulation scheme for low peak-to-average power ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |