CN107769863A - A kind of modulator approach and device based on the multidirectional probability mapping of two-way - Google Patents
A kind of modulator approach and device based on the multidirectional probability mapping of two-way Download PDFInfo
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- CN107769863A CN107769863A CN201711052107.0A CN201711052107A CN107769863A CN 107769863 A CN107769863 A CN 107769863A CN 201711052107 A CN201711052107 A CN 201711052107A CN 107769863 A CN107769863 A CN 107769863A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/023—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse amplitude modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/524—Pulse modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
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- 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
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Abstract
The embodiments of the invention provide a kind of modulator approach based on the multidirectional probability mapping of two-way and device, method to include：Treat modulated signal and carry out serioparallel exchange six way signals of generation, probability mapping is carried out to wherein four way signals, obtain mapping signal set, according to the first planisphere, it is determined that magnitude map result corresponding with the signal value at each moment of the preceding two-way mapping signal in mapping signal set, according to the second planisphere, it is determined that with the rear two-way mapping signal in mapping signal set, position mapping result corresponding to the signal value at each moment of the two-way subsignal in six way signals in addition to four way signals, according to magnitude map result and position mapping result, obtain APPM signals.Signal to be modulated can be mapped as the different mapping signal of probability by the present embodiment, and then obtain APPM signals according to the first planisphere and the second planisphere, it is not necessary to the planisphere of complex designing, can reduce the complexity of signal modulation.
Description
Technical field
The present invention relates to signal modulation technique field, more particularly to a kind of modulation methods based on the multidirectional probability mapping of two-way
Method, device, electronic equipment and computer-readable recording medium.
Background technology
With the extensive popularization of Internet industry, and continuous expansion of the people to information resources demand, in order to be lifted
The transmission performance of optical communication system, it is necessary to be modulated to sent signal before signal is by transmission.Generally, can incite somebody to action
Signal to be modulated is mapped on coordinate system and represented in the form of discrete point, and these discrete points are referred to as constellation point, includes these constellations
The coordinate system of point is referred to as planisphere.
APPM (Pulse Amplitude and Pulse Position Modulation, pulse are used in the prior art
Amplitude and position modulation).The amplitude of signal and position can be respectively mapped in planisphere by APPM, according to magnitude map result
With position mapping result, APPM signals are generated.In existing signal modulating method, because signal to be modulated is usually equiprobable
Bit stream, transmission power during in order to reduce transmission signal is, it is necessary to design the planisphere of unequal interval, to realize in planisphere
Constellation point reaches expected optimal distribution.And the planisphere for designing unequal interval needs more complicated algorithm, and then cause signal
The complexity of modulation is higher.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of modulator approach based on the multidirectional probability mapping of two-way, device, electricity
Sub- equipment and computer-readable recording medium, the complexity of signal modulation can be reduced.Concrete technical scheme is as follows：
In a first aspect, the embodiments of the invention provide a kind of modulator approach based on the multidirectional probability mapping of two-way, the side
Method includes：
Signal to be modulated is obtained, carrying out serioparallel exchange to the signal to be modulated generates the parallel subsignal in six tunnels；
Probability mapping is carried out to four way signals in subsignal described in six tunnels respectively according to default mapping ruler, obtained
Include the mapping signal set of four road mapping signals；
According to the first planisphere, the signal at each moment of preceding two-way mapping signal in the mapping signal set is determined
Magnitude map result corresponding to value, wherein, first planisphere have recorded the signal value of mapping signal and the mapping of amplitude is closed
System；According to the second planisphere, determine the rear two-way mapping signal in the mapping signal set, remove institute in subsignal described in six tunnels
Position mapping result corresponding to the signal value at each moment of the two-way subsignal beyond four way signals is stated, wherein, described
Two planispheres have recorded the signal value of mapping signal and the mapping relations of position；
Impulse amplitude and position modulation APPM are carried out according to the magnitude map result at each moment and position mapping result, obtained
To APPM signals corresponding with the signal to be modulated.
Optionally, it is described that four way signals in subsignal described in six tunnels are carried out generally respectively according to default mapping ruler
Rate maps, and obtains including the mapping signal set of four road mapping signals, including：
The first interleaving treatment is carried out to four way signals in subsignal described in six tunnels respectively, obtains interweaving comprising four tunnels and believes
Number interleaved signal set；
Probability mapping is carried out to the road interleaved signals of interleaved signal set Zhong tetra- according to default mapping ruler respectively,
Obtain including the probability signal set of four road probability signals；
The second interleaving treatment is carried out to the road probability signals of probability signal set Zhong tetra- respectively, obtains reflecting comprising four tunnels
Penetrate the mapping signal set of signal.
Optionally, it is described that the road interleaved signals of interleaved signal set Zhong tetra- are entered respectively according to default mapping ruler
Row probability maps, including：
The first probability is carried out to the first via interleaved signal in the interleaved signal set and the 3rd road interleaved signal respectively
Mapping；
The second probability is carried out to the second road interleaved signal in the interleaved signal set and the 4th road interleaved signal respectively
Mapping.
Optionally, it is described according to the second planisphere, it is determined that with the rear two-way mapping signal in the mapping signal set, six
Position corresponding to the signal value at each moment of the two-way subsignal in subsignal described in road in addition to the four ways signal is reflected
Result is penetrated, including：
According to the second planisphere, it is determined that the letter with each moment of the rear two-way mapping signal in the mapping signal set
Number value corresponding to component seat；
It is determined that component seat in, according to the two-way subsignal in subsignal described in six tunnels in addition to the four ways signal
Each moment signal value, determine the position mapping result at each moment.
Optionally, four signal amplitudes are included in first planisphere；
Second planisphere includes four sub- constellations, and each component seat includes four signal locations.
Optionally, methods described also includes：
Obtain target APPM signals；
The target APPM signals are demodulated, obtain the magnitude map result and position mapping result at each moment；
According to first planisphere, the two-way range signal that includes corresponding with the magnitude map result at the moment is obtained
Range signal set；According to second planisphere, acquisition is corresponding with the position mapping result at the moment to include four tunnel positions
The position signalling set of signal；
According to the mapping ruler respectively to the two-way range signal in the range signal set and the position signalling
Preceding two-way position signalling in set carries out inverse probability mapping, obtains four tunnels solution sub-signals；
Rear two-way position signalling in obtained four tunnels solution sub-signals and the position signalling set is carried out and gone here and there to turn
Change, obtain demodulated signal corresponding with the target APPM signals.
Second aspect, the embodiments of the invention provide the modulation methods device based on the multidirectional probability mapping of two-way, described device
Including：
Modular converter, for obtaining signal to be modulated, it is parallel that six tunnels of serioparallel exchange generation are carried out to the signal to be modulated
Subsignal；
Mapping block, for being carried out respectively to four way signals in subsignal described in six tunnels according to default mapping ruler
Probability maps, and obtains including the mapping signal set of four road mapping signals；
Determining module, for according to the first planisphere, determining the preceding two-way mapping signal in the mapping signal set
Magnitude map result corresponding to the signal value at each moment, wherein, first planisphere have recorded the signal value of mapping signal
With the mapping relations of amplitude；According to the second planisphere, rear two-way mapping signal in the mapping signal set, six tunnel institutes are determined
State mapping knot in position corresponding to the signal value at each moment of the two-way subsignal in subsignal in addition to the four ways signal
Fruit, wherein, second planisphere have recorded the signal value of mapping signal and the mapping relations of position；
Modulation module, impulse amplitude and position are carried out for the magnitude map result according to each moment and position mapping result
Modulation APPM is put, obtains APPM signals corresponding with the signal to be modulated.
Optionally, the mapping block, including：
First intertexture submodule, for being carried out respectively to four way signals in subsignal described in six tunnels at the first intertexture
Reason, obtains including the interleaved signal set of four road interleaved signals；
Mapping submodule, believe for being interweaved respectively to the tunnels of interleaved signal set Zhong tetra- according to default mapping ruler
Number carry out probability mapping, obtain including the probability signal set of four road probability signals；
Second intertexture submodule, interweave for carrying out second to the road probability signals of probability signal set Zhong tetra- respectively
Processing, obtains including the mapping signal set of four road mapping signals.
Optionally, the mapping submodule, specifically for the letter that interweaves respectively to the first via in the interleaved signal set
Number and the 3rd road interleaved signal carry out the first probability mapping；
The second probability is carried out to the second road interleaved signal in the interleaved signal set and the 4th road interleaved signal respectively
Mapping.
Optionally, the determining module, specifically for according to the second planisphere, it is determined that with the mapping signal set
Component seat corresponding to the signal value at each moment of two-way mapping signal afterwards；
It is determined that component seat in, according to the two-way subsignal in subsignal described in six tunnels in addition to the four ways signal
Each moment signal value, determine the position mapping result at each moment.
Optionally, four signal amplitudes are included in first planisphere；
Second planisphere includes four sub- constellations, and each component seat includes four signal locations.
Optionally, described device also includes：
Decoder module, for obtaining target APPM signals；
The target APPM signals are demodulated, obtain the magnitude map result and position mapping result at each moment；
According to first planisphere, the two-way range signal that includes corresponding with the magnitude map result at the moment is obtained
Range signal set；According to second planisphere, acquisition is corresponding with the position mapping result at the moment to include four tunnel positions
The position signalling set of signal；
According to the mapping ruler respectively to the two-way range signal in the range signal set and the position signalling
Preceding two-way position signalling in set carries out inverse probability mapping, obtains four tunnels solution sub-signals；
Rear two-way position signalling in obtained four tunnels solution sub-signals and the position signalling set is carried out and gone here and there to turn
Change, obtain demodulated signal corresponding with the target APPM signals.
The third aspect, the embodiment of the present invention additionally provide a kind of electronic equipment, and the electronic equipment includes：Processor, communication
Interface, memory and communication bus, wherein, processor, communication interface, memory is completed mutual logical by communication bus
Letter；
Memory, for depositing computer program；
Processor, during for performing the program deposited on memory, realize that the embodiment of the present invention provided based on double
The step of modulator approach of the multidirectional probability mapping in road.
Fourth aspect, the embodiment of the present invention additionally provide a kind of computer-readable recording medium, described computer-readable to deposit
Storage media internal memory contains computer program, and the computer program realizes what the embodiment of the present invention was provided when being executed by processor
The step of modulator approach based on the mapping of two-way multidirectional probability.
A kind of modulator approach based on the mapping of two-way multidirectional probability provided in an embodiment of the present invention, device, electronic equipment and
Computer-readable recording medium.The above method includes：Treat modulated signal and carry out the parallel subsignal in six tunnels of serioparallel exchange generation,
Probability mapping is carried out to four way signals in subsignal described in six tunnels respectively according to default mapping ruler, obtains including four tunnels
The mapping signal set of mapping signal, according to the first planisphere, it is determined that with the preceding two-way mapping signal in mapping signal set
Magnitude map result corresponding to the signal value at each moment, according to the second planisphere, it is determined that with rear two in mapping signal set
Position corresponding to the signal value at each moment of the two-way subsignal in road mapping signal, six way signals in addition to four way signals
Put mapping result, APPM modulation carried out according to the magnitude map result at each moment and position mapping result, obtain with it is to be modulated
APPM signals corresponding to signal.Based on default mapping ruler, signal to be modulated can be mapped as to the different mapping letter of probability
Number, and then APPM signals are obtained according to the first planisphere and the second planisphere, it is not necessary to the planisphere of complex designing, it can reduce
The complexity of signal modulation.Certainly, any product or method for implementing the present invention must be not necessarily required to reach described above simultaneously
All advantages.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of modulator approach based on the multidirectional probability mapping of two-way provided in an embodiment of the present invention；
Fig. 2 is a kind of system block diagram that APPM modulation is mapped based on the multidirectional probability of two-way provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of first planisphere provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of second planisphere provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of communication system provided in an embodiment of the present invention；
Fig. 6 is a kind of structure chart of modulating device based on the multidirectional probability mapping of two-way provided in an embodiment of the present invention；
Fig. 7 is the structure chart of a kind of electronic equipment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of modulator approach based on the mapping of two-way multidirectional probability, device, electronic equipment and
Computer-readable recording medium, the above method can apply to the terminal (hereinafter referred to as terminal) being modulated to signal.Eventually
End can be based on default mapping ruler, and signal to be modulated is mapped as into the different mapping signal of probability, and then according to the first star
Seat figure and the second planisphere can obtain APPM and (Pulse Amplitude and Pulse Position Modulation, claim
For impulse amplitude and position modulation) signal, it is not necessary to the planisphere of complex designing, the complexity of signal modulation can be reduced.
Referring to Fig. 1, Fig. 1 is a kind of stream of modulator approach based on the multidirectional probability mapping of two-way provided in an embodiment of the present invention
Cheng Tu, including：
S101：Signal to be modulated is obtained, modulated signal is treated and carries out the parallel subsignal in six tunnels of serioparallel exchange generation.
In a kind of implementation, signal to be modulated can be binary bit stream (hereinafter referred to as bit stream), and terminal is every
The signal to be modulated of secondary acquisition can be a frame bit stream.Serioparallel exchange refers to the continuous bit stream of a frame to be converted to expression phase
With the process of the parallel multichannel bit stream of information.Signal to be modulated can be carried out serioparallel exchange by terminal, and it is parallel to obtain six tunnels
Bit stream (i.e. subsignal).Wherein, terminal can utilize shift register to complete serioparallel exchange.
Specifically, referring to Fig. 2, Fig. 2 is provided in an embodiment of the present invention a kind of based on the multidirectional probability mapping APPM tune of two-way
The system block diagram of system.As can be seen that a frame bit stream generates the parallel bit stream in six tunnels after serioparallel exchange.Terminal can incite somebody to action
The form of matrix is converted to per bit stream all the way, wherein, each matrix includes multiple vector locations.
Therefore, the size S of a terminal frame bit stream per treatment can use formula (1) to calculate：
S=K*L*4+N*L*2 (1)
Wherein, the matrix that K*L is converted to per bit stream all the way in four tunnels, K can be represented each in the matrix by terminal
The bit number that individual vector location includes, L represent the number of vector location in the matrix.Terminal can will be each in other two-way
Road bit stream is converted into N*L matrix, and N represents the bit number that each vector location includes in the matrix, and L is represented in the matrix
The number of vector location, wherein, K ＜ L.
S102：Probability mapping is carried out to four way signals in six way signals respectively according to default mapping ruler, obtained
To the mapping signal set for including four road mapping signals.
In a kind of implementation, terminal can be according to same mapping rule respectively to four way signals in six way signals
Probability mapping is carried out, probability can also be carried out to four way signals in six way signals respectively according to different mapping rulers and reflected
Penetrate.Wherein, the finger of probability mapping makes equiprobable subsignal be mapped as the mapping letter of unequal probability by default mapping ruler
Number.Specifically, after the bit stream equal to the probability comprising 0 and 1 carries out probability mapping, 0 and 1 in obtained mapping signal
Probability is unequal.Terminal can distinguish above-mentioned four ways signal and carry out probability mapping, so as to get per 0 in mapping signal all the way
Probability be more than 1 probability.Specifically, how terminal carries out probability mapping to above-mentioned four ways signal, will be in embodiment below
It is discussed in detail.
Wherein, terminal can also be handed over four way signals during probability mapping is carried out to four way signals
Knit processing.Reflected specifically, terminal carries out probability to four way signals in six way signals respectively according to default mapping ruler
Penetrate, the step of obtaining including the mapping signal set of four road mapping signals, can include：
A1：The first interleaving treatment is carried out to four way signals in six way signals respectively, obtains interweaving comprising four tunnels and believes
Number interleaved signal set.
In a kind of implementation, terminal can carry out the first interleaving treatment to above-mentioned four road bit stream respectively first, make this
The order of the bit value of four road bit streams re-starts arrangement, obtains the bit stream after four tunnels interweave and (i.e. four road interleaved signals, divides
M in other corresponding diagram 21、m2、m3And m4).First interleaving treatment proposes for channels with memory, by by channel
Burst error is spread in time, and is converted into random mistake, and the robustness of coding is lifted with this, so as to reduce the bit error rate.
In practical application, the first interleaving treatment has a variety of implementations, can be that rule interweaves or irregularly handed over
Knit, can also be random interleaving.The embodiment of the present invention is not limited the implementation of specific first interleaving treatment.
The present embodiment is illustrated exemplified by bit stream carries out the first interleaving treatment all the way by terminal-pair, to other three roads ratios
The process that spy's stream carries out the first interleaving treatment is similar therewith.Specifically, terminal-pair first via bit stream carries out the first interleaving treatment
Process can include：First via bit stream is converted into the first matrix by row, every row element of the first matrix represents the first via
Front and rear adjacent bit value in bit stream；Read each element in the first matrix from the beginning to the end by row, obtain first via intertexture
Bit stream (i.e. first via interleaved signal) afterwards.
Exemplary, first via bit stream can be 1,2,3,4,5,6,7,8,9,10,11,12.First, terminal can incite somebody to action
The first matrix that first via bit stream is converted into by row, as shown in table 1, every row element of the first matrix represent first via bit stream
In front and rear adjacent bit value, then read each element in the first matrix from the beginning to the end by row, obtain after the first via interweaves
Bit stream, i.e. first via interleaved signal.It can obtain：Isosorbide-5-Nitrae, 7,10,2,5,8,11,3,6,9,12.
Table 1
| 1 | 2 | 3 |
| 4 | 5 | 6 |
| 7 | 8 | 9 |
| 10 | 11 | 12 |
As can be seen that a kind of simple efficient first interleaving treatment method is present embodiments provided, can be by above-mentioned four tunnel
In per bit stream all the way in front and rear related bit value, fixed and scatter with interval, met in the transmitting procedure of signal
To the situation of burst, disperse errors can also be held when receiving terminal decodes, so as to avoid situation about can not decode, improve volume
The robustness of code, reduces the bit error rate.
A2：Probability mapping is carried out to the road interleaved signals of interleaved signal set Zhong tetra- according to default mapping ruler respectively,
Obtain including the probability signal set of four road probability signals.
In a kind of implementation, default mapping ruler can be technical staff for being preset per interleaved signal all the way
's.Wherein, the mapping ruler on each road be able to can also be differed with identical.
Preferably, terminal can be entered to the first via interleaved signal in interleaved signal set and first via interleaved signal respectively
The probability of row first maps, and it is general to carry out second to the second road interleaved signal in interleaved signal set and the 4th road interleaved signal respectively
Rate maps.
In the present embodiment, the first probability mapping is carried out with terminal-pair first via interleaved signal, the second road interleaved signal is entered
Illustrated exemplified by the mapping of the probability of row second.The method that the road interleaved signal of terminal-pair the 3rd carries out the first probability mapping, Ke Yican
Examine the method that terminal-pair first via interleaved signal carries out the first probability mapping.The road interleaved signal of terminal-pair the 4th carries out the second probability
The method of mapping, it may be referred to the method that terminal-pair first via interleaved signal carries out the first probability mapping.
Exemplary, it is as follows that terminal-pair first via interleaved signal carries out the step of the first probability maps：
Terminal can use mi1、mi2Represent respectively in i-th of vector location of first via interleaved signal before the mapping of the first probability
First bit and second bit.Terminal can use ci1、ci2、ci3、ci4Represent respectively the first probability mapping after i-th to
Measure first to the 4th bit in unit.Work as ci1、ci2、ci3、ci4When having multiple combinations, for mi1、mi2, terminal can be from
Above-mentioned multiple combinations equal probability is randomly chosen a combination and mapped.Specifically, the mapping ruler of the first probability mapping
Can be as shown in table 2：
Table 2
The second road of terminal-pair interleaved signal carries out the step of the second probability mapping, with carrying out first to first via interleaved signal
The step of probability maps is identical, and the mapping ruler for distinguishing the probability mapping being is different.Specifically, the mapping of the second probability mapping
Rule can be as shown in table 3：
Table 3
It should be noted that specific mapping ruler is not limited in used by the mapping of the first probability and the mapping of the second probability
Above two mode.
As can be seen that after terminal-pair first via interleaved signal carries out the first probability mapping, 0 and 1 probability is respectively 73.2%
With 26.8%.After the second road of terminal-pair interleaved signal carries out the second probability mapping, 0 and 1 probability is respectively 61.9% and 38.1%.
C after the combination of two-way mapping signal1′c2' probability it is as shown in table 4：
Table 4
As can be seen that four road mapping signals are respectively c in corresponding diagram 21′、c2′、c3' and c4′.Preceding two-way mapping signal c1′
c2The probability minimum 10.2% of ' appearance 11, there is 00 probability minimum 45.3%.And signal value is the energy of 11 signal
Height, signal value are that the energy of 00 signal is low.Therefore, the probability of the relatively low signal of energy is higher than in the mapping signal that terminal obtains
The probability of the higher signal of energy, the mean power of signal can be reduced.
Referring to Fig. 2, after terminal can carry out probability mapping to the road interleaved signals of interleaved signal set Zhong tetra- respectively, obtain
Include the four road probability signals (c in corresponding diagram 2 respectively1、c2、c3And c4) probability signal set.
A3：The second interleaving treatment is carried out to the road probability signals of probability signal set Zhong tetra- respectively, acquisition is reflected comprising four tunnels
Penetrate the mapping signal set of signal.
In a kind of implementation, the implementation of the second interleaving treatment can be with the implementation of above-mentioned first interleaving treatment
It is identical, can also be different from the implementation of above-mentioned first interleaving treatment.Specifically, terminal is respectively in probability signal set
The method that four road probability signals carry out the second interleaving treatment may be referred to above-mentioned A1 steps, will not be repeated here.
In fig. 2, terminal can carry out the second interleaving treatment to the road probability signals of probability signal set Zhong tetra- respectively, obtain
The four road mapping signals (c in corresponding diagram 2 respectively must be included1′、c2′、c3' and c4') mapping signal set.
From above-mentioned, in the embodiment of the present invention, terminal can design different according to the APPM signals finally to be generated
Mapping ruler.The mapping ruler customized per that can use all the way, it is possible to achieve per mapping signal all the way desirably
Probability distribution, with more preferable matching transmission channel, improve signal transmission performance.
S103：According to the first planisphere, it is determined that with each moment of the preceding two-way mapping signal in mapping signal set
Magnitude map result corresponding to signal value；According to the second planisphere, rear two-way mapping signal in mapping signal set, six are determined
Position mapping result corresponding to the signal value at each moment of the two-way subsignal in way signal in addition to four way signals.
In a kind of implementation, terminal can be according to the first planisphere, it is determined that being reflected with the preceding two-way in mapping signal set
Penetrate magnitude map result (magnitude map in Fig. 2) corresponding to the signal value at each moment of signal.Terminal can be according to second
Planisphere, determine rear two-way mapping signal in mapping signal set, the two-way in six way signals in addition to four way signals
Position corresponding to the signal value at each moment of subsignal (may be respectively referred to as the 5th way signal and the 6th way signal below)
Put mapping result (the position mapping in Fig. 2).Wherein, the first planisphere have recorded the signal value of mapping signal and the mapping of amplitude
Relation, the second planisphere have recorded the signal value of mapping signal and the mapping relations of position.
Specifically, referring to Fig. 3, Fig. 3 is a kind of schematic diagram of first planisphere provided in an embodiment of the present invention.
The mapping relations of the signal value of mapping signal and amplitude can use formula (2) to represent in first planisphere：
Wherein, Amp represents the amplitude being mapped in the first planisphere,1' represent a certain moment first via mapping signal, c2′
Represent moment the second road mapping signal.As can be seen that the amplitude of 1,2,3,4 totally 4 signals, c are included in the first planisphere1′
c2' there are 00,01,10,11 totally 4 kinds of values.c1′c2' value when being 00 corresponding amplitude be 1, c1′c2' value is corresponding when being 01
Amplitude is 2, c1′c2' value when being 10 corresponding amplitude be 3, c1′c2' value when being 11 corresponding amplitude be 4.
Terminal can reflect each moment according to the mapping relations of the signal value of mapping signal and amplitude in the first planisphere
The preceding two-way mapping signal penetrated in signal set, an amplitude being mapped in 4 amplitudes in the first planisphere, when obtaining this
The magnitude map result at quarter.
Fig. 4 is a kind of schematic diagram of second planisphere provided in an embodiment of the present invention.
In a kind of implementation, the second planisphere can include 4 sub- constellations, include 4 signal positions in each component seat
Put.As shown in figure 4,4 positions of each row in Fig. 4 can be for 4 positions of a sub- constellation or every a line
One sub- constellation, component seat can also be divided according to other methods of salary distribution.Terminal can obtain and reflect according to the second planisphere
Component seat corresponding to the signal value at each moment for the rear two-way mapping signal penetrated in signal set, in the component seat of acquisition,
According to the 5th way signal and the signal value at each moment of the 6th way signal, the position mapping result at each moment is obtained.
Preferably, the rear two-way mapping signal in the second planisphere in mapping signal set can with the corresponding relation of component seat
To be represented with formula (3)：
Wherein, 4 positions of each row can be divided into a sub- constellation by terminal.Pos represents to be mapped to the second constellation
Position in figure, c3' represent a certain road mapping signal of moment the 3rd, c4' represent the road mapping signal of moment the 4th.c3′c4'=
When 00, corresponding first component seat, wherein, the first component seat includes 0,1,2,3 totally 4 positions；c3′c4During '=01, corresponding second
Component seat, wherein, the second component seat includes 4,5,6,7 totally 4 positions；c3′c4During '=10, corresponding 3rd component seat, wherein, the
Three component seats include 8,9,10,11 totally 4 positions；c3′c4During '=11, corresponding 4th component seat, wherein, the 4th component seat includes
12,12,14,15 totally 4 positions.Specifically, after terminal determines component seat, can be according to c5′c6' at 4 of each component seat
A position is determined in position, as position mapping result.Wherein, c5' represent the way signal of moment the 5th, c6' when representing this
Carve the 6th way signal.
Because terminal does not carry out probability mapping, therefore, the 5th way to the 5th way signal and the 6th way signal
Signal and the 6th way signal can be equiprobable bit stream.Terminal can be according to the default method of salary distribution, according to c5′
c6', a position is determined in 4 positions of each component seat.Specifically, using in the first component seat determine a position as
Example illustrates, and determines that the situation of a position is similar therewith in other three sub- constellations.Terminal can exist according to formula (4)
A position is determined in first component seat：
Wherein, Pos1 represents a position in the first component seat.It should be noted that the embodiment of the present invention is only with formula
(4) illustrated exemplified by, in practical application, however it is not limited to which terminal determines a position using above-mentioned formula in the seat of component.
From the above, it is seen that the method provided according to embodiments of the present invention, it is not necessary to the unequal interval of complex designing
Planisphere, terminal can obtain APPM signals, reduce answering for signal modulation directly according to the first planisphere and the second planisphere
Miscellaneous degree.
S104：Impulse amplitude and position modulation are carried out according to the magnitude map result at each moment and position mapping result
APPM, obtain APPM signals corresponding with signal to be modulated.
In a kind of implementation, terminal can be carried out according to the magnitude map result and position mapping result at each moment
APPM (the 4*16APPM modulation in Fig. 2) modulation, obtains APPM signals corresponding with signal to be modulated.For the width at each moment
Mapping result and position mapping result are spent, terminal can generate an APPM signal for including 16 positions.Terminal can basis
The position mapping result at the moment, determine to carry a position of amplitude information, and the position in 16 positions of the APPM signals
The amplitude put is the magnitude map result at the moment.
Exemplary, terminal can determine that the magnitude map result of the signal to be modulated at a certain moment is 3, position mapping
As a result it is 10.Now, terminal can generate the APPM signals that an amplitude the 11st position is 3.
In embodiments of the present invention, a kind of coding/decoding method of APPM signals is additionally provided.Specifically, processing step includes：
Obtain target APPM signals, target APPM signals are demodulated, obtain each moment magnitude map result and
Position mapping result.According to the first planisphere, acquisition is corresponding with the magnitude map result at the moment to include two-way range signal
Range signal set；According to the second planisphere, obtain corresponding with the position mapping result at the moment comprising four tunnel positions letter
Number position signalling set.According to mapping ruler respectively to the two-way range signal in range signal set and position signalling set
In preceding two-way position signalling carry out inverse probability mapping, obtain four tunnel demodulated signals.To four obtained tunnel demodulated signals and position
Rear two-way position signalling in signal set carries out parallel-serial conversion, obtains demodulated signal corresponding with target APPM signals.
In a kind of implementation, terminal can be demodulated to the APPM signals of acquisition, obtain the APPM letters at each moment
Amplitude information corresponding to number and positional information.Because the amplitude of the APPM signals received is the analogue value, and typically receive
Signal can be interfered, and therefore, terminal can obtain according to the maximum position of amplitude in 16 positions in moment APPM signals
Positional information is obtained, the amplitude information of the position is then obtained according to formula (5), completes APPM amplitude informations and positional information really
Recognize.
Wherein, maximum amplitude in the amplitude of 16 positions in the APPM signals that amp1 expressions terminal receives.According to
Different range residing for amp1 value, terminal can determine the Amp, Jin Erke that the APPM signals are corresponded in the first planisphere
So that according to the Amp determined, the mapping relations based on formula (2) are determined to represent the preceding two-way bit stream of amplitude information.
Then, the position that terminal can be according to where determining amp1, the 3rd road and the 4th road are determined according to formula (3)
Bit stream, so can according to it is above-mentioned in the seat of component determine a position the step of used in the default method of salary distribution,
Determine the 5th road bit stream and the 6th road bit stream.Terminal can be by the parallel bit stream in six tunnels determined according to from first
The order on road to the 6th tunnel is ranked into all the way, carries out parallel-serial conversion, exports bitstream data serial all the way, so far completes solution
Code.
As shown in figure 5, the schematic diagram for communication system provided in an embodiment of the present invention.Can be by application of the embodiment of the present invention
Transmitting terminal in communication system, transmitting terminal are gone here and there and converted to binary bit stream all the way first, and it is parallel to obtain six tunnels
Bit stream, then, the parallel bit stream probability shaping coded treatment in six tunnels and 4*16APPM are modulated, obtain APPM signals,
And then APPM signals are sent to receiving terminal via fiber link.Wherein, optical attenuator is used to change luminous power.
Receiving terminal in a communications system, first, using prime amplifier adjust luminous power, and using optical band pass filter from
Effective bandwidth is filtered out in the frequency spectrum widened by noise, then, is filtered using low pass filter in effective bandwidth beyond base band
Noise, the data-signal that detection is obtained are sent into decoding circuit perform decoding, wherein, decoding process is the inverse mistake of cataloged procedure
Journey, mainly it is made up of probability shaping decoding and 4*16APPM demodulating units, finally, decoded data-signal is carried out and gone here and there to turn
Change, obtain binary bit stream.
Fig. 6 is a kind of structure chart of modulating device based on the multidirectional probability mapping of two-way provided in an embodiment of the present invention, is wrapped
Include：
Modular converter 601, for obtaining signal to be modulated, serioparallel exchange is carried out to the signal to be modulated and generates six tunnels simultaneously
Capable subsignal；
Mapping block 602, for according to default mapping ruler respectively to four way signals in subsignal described in six tunnels
Probability mapping is carried out, obtains including the mapping signal set of four road mapping signals；
Determining module 603, for according to the first planisphere, determining the preceding two-way mapping signal in the mapping signal set
Each moment signal value corresponding to magnitude map result, wherein, first planisphere have recorded the signal of mapping signal
The mapping relations of value and amplitude；According to the second planisphere, rear two-way mapping signal in the mapping signal set, six tunnels are determined
Position corresponding to the signal value at each moment of the two-way subsignal in the subsignal in addition to the four ways signal maps
As a result, wherein, second planisphere have recorded the signal value of mapping signal and the mapping relations of position；
Modulation module 604, impulse amplitude is carried out for the magnitude map result according to each moment and position mapping result
With position modulation APPM, APPM signals corresponding with the signal to be modulated are obtained.
In embodiments of the present invention, the mapping block 602, including：
First intertexture submodule, for being carried out respectively to four way signals in subsignal described in six tunnels at the first intertexture
Reason, obtains including the interleaved signal set of four road interleaved signals；
Mapping submodule, believe for being interweaved respectively to the tunnels of interleaved signal set Zhong tetra- according to default mapping ruler
Number carry out probability mapping, obtain including the probability signal set of four road probability signals；
Second intertexture submodule, interweave for carrying out second to the road probability signals of probability signal set Zhong tetra- respectively
Processing, obtains including the mapping signal set of four road mapping signals.
In embodiments of the present invention, the mapping submodule, specifically for respectively in the interleaved signal set
Interleaved signal and the 3rd road interleaved signal carry out the first probability mapping all the way；
The second probability is carried out to the second road interleaved signal in the interleaved signal set and the 4th road interleaved signal respectively
Mapping.
In embodiments of the present invention, the determining module 603, specifically for according to the second planisphere, it is determined that being reflected with described
Component seat corresponding to the signal value at each moment for the rear two-way mapping signal penetrated in signal set；
It is determined that component seat in, according to the two-way subsignal in subsignal described in six tunnels in addition to the four ways signal
Each moment signal value, determine the position mapping result at each moment.
In embodiments of the present invention, four signal amplitudes are included in first planisphere；
Second planisphere includes four sub- constellations, and each component seat includes four signal locations.
In embodiments of the present invention, described device also includes：
Decoder module, for obtaining target APPM signals；
The target APPM signals are demodulated, obtain the magnitude map result and position mapping result at each moment；
According to first planisphere, the two-way range signal that includes corresponding with the magnitude map result at the moment is obtained
Range signal set；According to second planisphere, acquisition is corresponding with the position mapping result at the moment to include four tunnel positions
The position signalling set of signal；
According to the mapping ruler respectively to the two-way range signal in the range signal set and the position signalling
Preceding two-way position signalling in set carries out inverse probability mapping, obtains four tunnels solution sub-signals；
Rear two-way position signalling in obtained four tunnels solution sub-signals and the position signalling set is carried out and gone here and there to turn
Change, obtain demodulated signal corresponding with the target APPM signals.
The embodiment of the present invention additionally provides a kind of electronic equipment, as shown in fig. 7, comprises processor 701, communication interface 702,
Memory 703 and communication bus 704, wherein, processor 701, communication interface 702, memory 703 is complete by communication bus 704
Into mutual communication,
Memory 703, for depositing computer program；
Processor 701, during for performing the program deposited on memory 703, realize following steps：
Signal to be modulated is obtained, carrying out serioparallel exchange to the signal to be modulated generates the parallel subsignal in six tunnels；
Probability mapping is carried out to four way signals in subsignal described in six tunnels respectively according to default mapping ruler, obtained
Include the mapping signal set of four road mapping signals；
According to the first planisphere, the signal at each moment of preceding two-way mapping signal in the mapping signal set is determined
Magnitude map result corresponding to value, wherein, first planisphere have recorded the signal value of mapping signal and the mapping of amplitude is closed
System；According to the second planisphere, determine the rear two-way mapping signal in the mapping signal set, remove institute in subsignal described in six tunnels
Position mapping result corresponding to the signal value at each moment of the two-way subsignal beyond four way signals is stated, wherein, described
Two planispheres have recorded the signal value of mapping signal and the mapping relations of position；
Impulse amplitude and position modulation APPM are carried out according to the magnitude map result at each moment and position mapping result, obtained
To APPM signals corresponding with the signal to be modulated.
The communication bus 704 that above-mentioned electronic equipment is mentioned can be Peripheral Component Interconnect standard (Peripheral
Component Interconnect, PCI) bus or EISA (Extended Industry Standard
Architecture, EISA) bus etc..The communication bus 704 can be divided into address bus, data/address bus, controlling bus etc..For
It is easy to represent, is only represented in figure with a thick line, it is not intended that an only bus or a type of bus.
The communication that communication interface 702 is used between above-mentioned electronic equipment and other equipment.
Memory 703 can include random access memory (Random Access Memory, RAM), can also include
Nonvolatile memory (Non-Volatile Memory, NVM), for example, at least a magnetic disk storage.Optionally, memory
703 can also be at least one storage device for being located remotely from aforementioned processor.
Above-mentioned processor 701 can be general processor, including central processing unit (Central Processing
Unit, CPU), network processing unit (Network Processor, NP) etc.；It can also be digital signal processor (Digital
Signal Processing, DSP), application specific integrated circuit (Application Specific Integrated Circuit,
ASIC), field programmable gate array (Field-Programmable Gate Array, FPGA) or other FPGAs
Device, discrete gate or transistor logic, discrete hardware components.
Electronic equipment provided in an embodiment of the present invention, default mapping ruler can be based on, signal to be modulated can be reflected
Penetrate as the different mapping signal of probability, and then APPM signals are obtained according to the first planisphere and the second planisphere, it is not necessary to design
Complicated planisphere, the complexity of signal modulation can be reduced.
The embodiment of the present invention additionally provides a kind of computer-readable recording medium, is stored in the computer-readable recording medium
There is instruction, when run on a computer so that computer execution is provided in an embodiment of the present invention to be based on the multidirectional probability of two-way
The modulator approach of mapping.
Specifically, the above-mentioned modulator approach based on the multidirectional probability mapping of two-way, including：
Signal to be modulated is obtained, carrying out serioparallel exchange to the signal to be modulated generates the parallel subsignal in six tunnels；
Probability mapping is carried out to four way signals in subsignal described in six tunnels respectively according to default mapping ruler, obtained
Include the mapping signal set of four road mapping signals；
According to the first planisphere, the signal at each moment of preceding two-way mapping signal in the mapping signal set is determined
Magnitude map result corresponding to value, wherein, first planisphere have recorded the signal value of mapping signal and the mapping of amplitude is closed
System；According to the second planisphere, determine the rear two-way mapping signal in the mapping signal set, remove institute in subsignal described in six tunnels
Position mapping result corresponding to the signal value at each moment of the two-way subsignal beyond four way signals is stated, wherein, described
Two planispheres have recorded the signal value of mapping signal and the mapping relations of position；
Impulse amplitude and position modulation APPM are carried out according to the magnitude map result at each moment and position mapping result, obtained
To APPM signals corresponding with the signal to be modulated.
It should be noted that other implementations and the foregoing side of the above-mentioned modulator approach based on the multidirectional probability mapping of two-way
Method embodiment part is identical, repeats no more here.
By running the instruction stored in computer-readable recording medium provided in an embodiment of the present invention, can be based on default
Mapping ruler, signal to be modulated can be mapped as to the different mapping signal of probability, and then according to the first planisphere and second
Planisphere obtains APPM signals, it is not necessary to the planisphere of complex designing, can reduce the complexity of signal modulation.
The embodiment of the present invention additionally provides a kind of computer program product for including instruction, when it runs on computers
When so that computer performs the modulator approach provided in an embodiment of the present invention based on the multidirectional probability mapping of two-way.
Specifically, the above-mentioned modulator approach based on the multidirectional probability mapping of two-way, including：
Signal to be modulated is obtained, carrying out serioparallel exchange to the signal to be modulated generates the parallel subsignal in six tunnels；
Probability mapping is carried out to four way signals in subsignal described in six tunnels respectively according to default mapping ruler, obtained
Include the mapping signal set of four road mapping signals；
According to the first planisphere, the signal at each moment of preceding two-way mapping signal in the mapping signal set is determined
Magnitude map result corresponding to value, wherein, first planisphere have recorded the signal value of mapping signal and the mapping of amplitude is closed
System；According to the second planisphere, determine the rear two-way mapping signal in the mapping signal set, remove institute in subsignal described in six tunnels
Position mapping result corresponding to the signal value at each moment of the two-way subsignal beyond four way signals is stated, wherein, described
Two planispheres have recorded the signal value of mapping signal and the mapping relations of position；
Impulse amplitude and position modulation APPM are carried out according to the magnitude map result at each moment and position mapping result, obtained
To APPM signals corresponding with the signal to be modulated.
It should be noted that other implementations and the foregoing side of the above-mentioned modulator approach based on the multidirectional probability mapping of two-way
Method embodiment part is identical, repeats no more here.
By running computer program product provided in an embodiment of the present invention, default mapping ruler can be based on, can be with
Signal to be modulated is mapped as the different mapping signal of probability, and then APPM letters are obtained according to the first planisphere and the second planisphere
Number, it is not necessary to the planisphere of complex designing, the complexity of signal modulation can be reduced.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or its any combination real
It is existing.When implemented in software, can realize in the form of a computer program product whole or in part.The computer program
Product includes one or more computer instructions.When loading on computers and performing the computer program instructions, all or
Partly produce according to the flow or function described in the embodiment of the present invention.The computer can be all-purpose computer, special meter
Calculation machine, computer network or other programmable devices.The computer instruction can be stored in computer-readable recording medium
In, or the transmission from a computer-readable recording medium to another computer-readable recording medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, numeral from a web-site, computer, server or data center
User's line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or
Data center is transmitted.The computer-readable recording medium can be any usable medium that computer can access or
It is the data storage devices such as server, the data center integrated comprising one or more usable mediums.The usable medium can be with
It is magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disc
Solid State Disk (SSD)) etc..
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of related, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Especially for device,
For electronic equipment, computer-readable recording medium, computer program product embodiments, implement because it is substantially similar to method
Example, so description is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of modulator approach based on the multidirectional probability mapping of two-way, it is characterised in that methods described includes：
Signal to be modulated is obtained, carrying out serioparallel exchange to the signal to be modulated generates the parallel subsignal in six tunnels；
Probability mapping is carried out to four way signals in subsignal described in six tunnels according to default mapping ruler respectively, comprising
The mapping signal set of four road mapping signals；
According to the first planisphere, the signal value pair at each moment of preceding two-way mapping signal in the mapping signal set is determined
The magnitude map result answered, wherein, first planisphere have recorded the signal value of mapping signal and the mapping relations of amplitude；Root
According to the second planisphere, determine the rear two-way mapping signal in the mapping signal set, remove described four in subsignal described in six tunnels
Position mapping result corresponding to the signal value at each moment of the two-way subsignal beyond way signal, wherein, second star
Seat figure have recorded the signal value of mapping signal and the mapping relations of position；
Impulse amplitude and position modulation APPM are carried out according to the magnitude map result at each moment and position mapping result, obtain with
APPM signals corresponding to the signal to be modulated.
2. according to the method for claim 1, it is characterised in that it is described according to default mapping ruler respectively to described in six tunnels
Four way signals in subsignal carry out probability mapping, obtain including the mapping signal set of four road mapping signals, including：
The first interleaving treatment is carried out to four way signals in subsignal described in six tunnels respectively, obtained comprising four road interleaved signals
Interleaved signal set；
Probability mapping is carried out to the road interleaved signals of interleaved signal set Zhong tetra- respectively according to default mapping ruler, obtained
Include the probability signal set of four road probability signals；
The second interleaving treatment is carried out to the road probability signals of probability signal set Zhong tetra- respectively, obtained comprising four tunnels mapping letter
Number mapping signal set.
3. according to the method for claim 2, it is characterised in that it is described according to default mapping ruler respectively to the intertexture
The road interleaved signals of signal set Zhong tetra- carry out probability mapping, including：
The first probability mapping is carried out to the first via interleaved signal in the interleaved signal set and the 3rd road interleaved signal respectively；
The second probability mapping is carried out to the second road interleaved signal in the interleaved signal set and the 4th road interleaved signal respectively.
4. according to the method for claim 1, it is characterised in that it is described according to the second planisphere, it is determined that believing with the mapping
Rear two-way mapping signal in number set, two-way subsignal in subsignal described in six tunnels in addition to the four ways signal it is every
Position mapping result corresponding to the signal value at one moment, including：
According to the second planisphere, it is determined that the signal value with each moment of the rear two-way mapping signal in the mapping signal set
Corresponding component seat；
It is determined that component seat in, according to the every of the two-way subsignal in subsignal described in six tunnels in addition to the four ways signal
The signal value at one moment, determine the position mapping result at each moment.
5. according to the method for claim 4, it is characterised in that four signal amplitudes are included in first planisphere；
Second planisphere includes four sub- constellations, and each component seat includes four signal locations.
6. according to the method for claim 1, it is characterised in that methods described also includes：
Obtain target APPM signals；
The target APPM signals are demodulated, obtain the magnitude map result and position mapping result at each moment；
According to first planisphere, the amplitude for including two-way range signal corresponding with the magnitude map result at the moment is obtained
Signal set；According to second planisphere, acquisition is corresponding with the position mapping result at the moment to include four road position signallings
Position signalling set；
According to the mapping ruler respectively to the two-way range signal in the range signal set and the position signalling set
In preceding two-way position signalling carry out inverse probability mapping, obtain four tunnels solution sub-signals；
Parallel-serial conversion is carried out to the rear two-way position signalling in obtained four tunnels solution sub-signals and the position signalling set, obtained
To demodulated signal corresponding with the target APPM signals.
7. a kind of modulating device based on the multidirectional probability mapping of two-way, it is characterised in that described device includes：
Modular converter, for obtaining signal to be modulated, serioparallel exchange is carried out to the signal to be modulated and generates the parallel son in six tunnels
Signal；
Mapping block, for carrying out probability to four way signals in subsignal described in six tunnels respectively according to default mapping ruler
Mapping, obtains including the mapping signal set of four road mapping signals；
Determining module, for according to the first planisphere, determining each of the preceding two-way mapping signal in the mapping signal set
Magnitude map result corresponding to the signal value at moment, wherein, first planisphere have recorded the signal value and width of mapping signal
The mapping relations of degree；According to the second planisphere, rear two-way mapping signal in the mapping signal set, son described in six tunnels are determined
Position mapping result corresponding to the signal value at each moment of the two-way subsignal in signal in addition to the four ways signal, its
In, second planisphere have recorded the signal value of mapping signal and the mapping relations of position；
Modulation module, carry out impulse amplitude for the magnitude map result according to each moment and position mapping result and position is adjusted
APPM processed, obtain APPM signals corresponding with the signal to be modulated.
8. device according to claim 7, it is characterised in that the mapping block, including：
First intertexture submodule, for carrying out the first interleaving treatment to four way signals in subsignal described in six tunnels respectively, obtain
To the interleaved signal set for including four road interleaved signals；
Mapping submodule, for being entered respectively to the road interleaved signals of interleaved signal set Zhong tetra- according to default mapping ruler
Row probability maps, and obtains including the probability signal set of four road probability signals；
Second intertexture submodule, for being carried out respectively to the road probability signals of probability signal set Zhong tetra- at the second intertexture
Reason, obtains including the mapping signal set of four road mapping signals.
9. a kind of electronic equipment, it is characterised in that including processor, communication interface, memory and communication bus, wherein, it is described
Processor, the communication interface, the memory complete mutual communication by the communication bus；
The memory, for depositing computer program；
The processor, during for performing the program deposited on the memory, realize any described sides of claim 1-6
Method step.
10. a kind of computer-readable recording medium, it is characterised in that the computer-readable recording medium internal memory contains computer
Program, the computer program realize claim 1-6 any described method and steps when being executed by processor.
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| CN109474346A (en) * | 2018-11-22 | 2019-03-15 | 北京邮电大学 | A kind of optical signal generation method and device based on the forming of geometry-probability |
| CN109412999A (en) * | 2018-12-24 | 2019-03-01 | 北京邮电大学 | A kind of molding mapping method of probability and device |
| CN109412999B (en) * | 2018-12-24 | 2020-04-17 | 北京邮电大学 | Mapping method and device for probability modeling |
| CN109709851A (en) * | 2018-12-25 | 2019-05-03 | 北京无线电计量测试研究所 | A kind of complex modulated signal high speed generating means and method |
| CN110401489A (en) * | 2019-07-22 | 2019-11-01 | 北京邮电大学 | A kind of fiber-optic signal production method, apparatus and system |
| CN111049586A (en) * | 2019-12-25 | 2020-04-21 | 南京信息工程大学 | Pulse amplitude position modulation system based on amplitude reduction type probability forming |
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