CN104811407B - Communication means and system, signal of communication method of reseptance and device - Google Patents

Communication means and system, signal of communication method of reseptance and device Download PDF

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Publication number
CN104811407B
CN104811407B CN201510133539.9A CN201510133539A CN104811407B CN 104811407 B CN104811407 B CN 104811407B CN 201510133539 A CN201510133539 A CN 201510133539A CN 104811407 B CN104811407 B CN 104811407B
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waveforms
communication
waveform
data symbol
mrow
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CN104811407A (en
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龙航
杨昊俊
郑侃
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Beijing University of Posts and Telecommunications
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Beijing University of Posts and Telecommunications
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers

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Abstract

This application discloses a kind of communication means, including：Data symbol string waiting for transmission is carried out serioparallel exchange by signal of communication dispensing device, obtains some data symbols；Pulse-shaping is each carried out to some data symbols, obtains some first waveforms；Waveform is each carried out to some first waveforms to move, and obtains some second waveforms；Some second waveforms are overlapped mutually, form communication waveforms；Send the communication waveforms；Signal of communication reception device receives the communication waveforms；The communication waveforms are carried out with segmentation interception and carries out serioparallel exchange, obtains some 3rd waveforms；According to some 3rd waveforms, data symbol string is determined.The application implements, by the way that communication waveforms are carried out interception segmentation, to realize the parallel processing of multistage waveform, processing complexity is reduced while improving treatment effeciency.A kind of communication system, signal of communication method of reseptance and device is also disclosed in the application.

Description

Communication means and system, signal of communication method of reseptance and device
Technical field
This application involves field of communication technology, more particularly to a kind of communication means and system, signal of communication method of reseptance and Device.
Background technology
With the development of science and technology, requirement of the mobile communication for message transmission rate can be higher and higher, how to improve The transmission rate of data is to meet that the needs of message volume explosive growth has become a big important problem.The prior art In, spread bandwidth is relied primarily on to increase message transmission rate.But the frequency resource available for mobile communication but extremely has Limit, is not allow spread bandwidth always in the case where frequency spectrum resource is limited.Therefore, the number of spectral efficient how is realized Have become an important research direction according to transmission technology.
The data transmission technology of existing spectral efficient mainly has FTN (Faster-than-Nyquist, super Nai Kuisi It is special) and OvTDM (Overlapped Time Domain Multiplexing, overlapping time-domain multiplexing).The core of both technologies It is, it is overlapping to data symbol waiting for transmission progress in transmitting terminal, i.e., delayed addition is carried out to time domain waveform or to frequency-region signal Shift frequency is added, and transmission of the time majority according to symbol is realized, to improve spectrum efficiency.According to the data symbol sender of transmitting terminal Formula, corresponding receiving terminal use sequence detecting method into row decoding.The characteristics of sequence detecting method, is, it is necessary to be connect to receiving terminal Received integrated communication signal is handled to realize decoding.Therefore, sequence detecting method can usually cause larger delay, and It is unfavorable for the Data Stream Processing of high speed, simultaneously as data symbol is more in integrated communication signal, during into row decoding, production mutually Raw interference is larger, and the complexity of decoding is also larger.
The content of the invention
The embodiment of the present application provides a kind of communication means, and to improve treatment effeciency while reduces processing complexity.
The embodiment of the present application provides a kind of communication system, and to improve treatment effeciency while reduces processing complexity.
The embodiment of the present application provides a kind of signal of communication method of reseptance, and it is multiple that to improve treatment effeciency while reduces processing Miscellaneous degree.
The embodiment of the present application provides a kind of signal of communication reception device, and it is multiple that to improve treatment effeciency while reduces processing Miscellaneous degree.
In order to solve the above technical problems, the embodiment of the present application provides：
A kind of communication means, including：
Data symbol string waiting for transmission is carried out serioparallel exchange by signal of communication dispensing device, obtains some data symbols；
The signal of communication dispensing device each carries out pulse-shaping to some data symbols, obtains some first waves Shape；
The signal of communication dispensing device each carries out waveform to some first waveforms and moves, and obtains some second ripples Shape；
Some second waveforms are overlapped mutually by the signal of communication dispensing device, form communication waveforms；
The signal of communication dispensing device sends the communication waveforms；
Signal of communication reception device receives the communication waveforms；
The signal of communication reception device carries out the communication waveforms segmentation interception and carries out serioparallel exchange, obtains some 3rd waveform；
The signal of communication reception device determines data symbol string according to some 3rd waveforms.
A kind of communication system, including：
Signal of communication dispensing device, including：
First serioparallel exchange module, for data symbol string waiting for transmission to be carried out serioparallel exchange, obtains some data symbols Number；
Pulse-shaping module, for each carrying out pulse-shaping to some data symbols, obtains some first waveforms；
Waveform moves module, is moved for each carrying out waveform to some first waveforms, obtains some second waveforms；
Waveform adder module, for some second waveforms to be overlapped mutually, forms communication waveforms；
Sending module, for sending the communication waveforms；Signal of communication reception device, including：
Receiving module, for receiving the communication waveforms；
Interception module is segmented, for carrying out segmentation interception to the communication waveforms；
Second serioparallel exchange module, for carrying out serioparallel exchange after the communication waveforms are carried out with segmentation and is cut, if obtaining Dry 3rd waveform；
Processing module, for according to some 3rd waveforms, determining data symbol string.
A kind of signal of communication method of reseptance, including：
Receive communication waveforms；
The communication waveforms are carried out with segmentation interception and carries out serioparallel exchange, obtains some 3rd waveforms；
According to some 3rd waveforms, data symbol string is determined.
A kind of signal of communication reception device, including：
Receiving module, for receiving communication waveforms；
Interception module is segmented, for carrying out segmentation interception to the communication waveforms；
Second serioparallel exchange module, for carrying out serioparallel exchange after the communication waveforms are carried out with segmentation and is cut, if obtaining Dry 3rd waveform；
Processing module, for being carried out according to some 3rd waveforms, determines data symbol string.
Compared with prior art, the embodiment of the present application has the advantages that：The application is implemented by by communication waveforms Interception segmentation is carried out, realizes the parallel processing of multistage waveform, processing complexity is reduced while improving treatment effeciency.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is a kind of flow diagram of communication means provided by the embodiments of the present application；
Fig. 2 is a kind of configuration diagram of communication system provided by the embodiments of the present application；
Fig. 3 is a kind of flow diagram of signal of communication method of reseptance provided by the embodiments of the present application；
Fig. 4 is a kind of flow signal of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application Figure；
Fig. 5 is a kind of transmitting terminal model of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application Schematic diagram；
Fig. 6 is that a kind of communication waveforms of communication means for carrying out time domain waveform transmission provided by the embodiments of the present application are shown It is intended to；
Fig. 7 is a kind of receiving terminal model of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application Schematic diagram；
Fig. 8 is that a kind of interception segmentation of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application is shown It is intended to；
Fig. 9 is a kind of flow signal of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Figure；
Figure 10 is a kind of transmitting terminal mould of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Type schematic diagram；
Figure 11 is a kind of communication waveforms of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Schematic diagram；
Figure 12 is a kind of receiving terminal mould of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Type schematic diagram；
Figure 13 is a kind of interception segmentation of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Schematic diagram.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Go out all other embodiments obtained under the premise of creative work, shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical solution that each embodiment of the application provides is described in detail.
Fig. 1 is a kind of flow diagram of communication means provided by the embodiments of the present application.
The communication means specifically includes following steps：
S101：Data symbol string waiting for transmission is carried out serioparallel exchange by signal of communication dispensing device, obtains some data symbols Number.
The signal of communication dispensing device includes the first serioparallel exchange module, and the first serioparallel exchange device will be to be transmitted Data symbol string carry out serioparallel exchange, obtain some data symbols.Some data symbols are by carry out parallel processing, to carry The convenience and efficiency of high disposal.
Serioparallel exchange：One continuous signal metasequence is for conversion into and represents that one group of identical information occurs parallel accordingly Signal element process.One information flow is divided into multiple signals by serioparallel exchange, and multichannel handles at the same time and/or transmission, required place The time of reason and/or transmission greatlys save.
S102：The signal of communication dispensing device each carries out some data symbols pulse-shaping, obtains some First waveform.
The signal of communication dispensing device further includes pulse-shaping module, and the pulse-shaping module is to some data Symbol each carries out pulse-shaping, obtains some first waveforms.
S103：The signal of communication dispensing device each carries out waveform to some first waveforms and moves, and obtains some Second waveform.
The signal of communication dispensing device further includes waveform and moves module, and the waveform moves module to described some first Waveform each carries out waveform and moves, and obtains some second waveforms.When time domain waveform is transmitted, by delay, realize to first wave Shape is moved；When frequency-domain waveform transmits, by shift frequency, realize and first waveform is moved.
S104：Some second waveforms are overlapped mutually by the signal of communication dispensing device, form communication waveforms.
The signal of communication dispensing device further includes waveform adder module, and the waveform adder module is by described some second Waveform is overlapped mutually, and forms communication waveforms.
S105：The signal of communication dispensing device sends the communication waveforms.
The signal of communication dispensing device further includes sending module, and the sending module sends the communication waveforms to communication Signal receiving device.
S106：Signal of communication reception device receives the communication waveforms.
The signal of communication reception device includes receiving module, and the receiving module receives the communication waveforms.
S107：The signal of communication reception device carries out the communication waveforms segmentation interception and carries out serioparallel exchange, obtains Obtain some 3rd waveforms.
The signal of communication reception device further includes segmentation interception module and the second serioparallel exchange module, the segmentation interception Module carries out segmentation interception to the communication waveforms；Second serioparallel exchange module to the communication waveforms carry out segmentation cut it is laggard Row serioparallel exchange, obtains some 3rd waveforms.
S108：The signal of communication reception device determines data symbol string according to some 3rd waveforms.
The signal of communication reception device further includes processing module, the processing module according to some 3rd waveforms, Some 3rd waveforms are handled, such as sampling, balanced, judgement, and determine data symbol string.
The application implements, by the way that communication waveforms are carried out interception segmentation, to realize the parallel processing of multistage waveform, raising processing Processing complexity is reduced while efficiency.
Further, when time domain waveform is transmitted：
Defining the data symbol string has N number of data symbol；
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms；
Define some first waveform gi(t), (i=1,2 ..., N), the duration of each first waveform is T；
The waveform of some second waveforms is moved to be realized by being delayed；
Define some second waveform xi(t)=gi(t-τi), (i=1,2 ..., N), wherein, i-th second waveforms Be delayed τiFor：
Represent lower rounding.
When frequency-domain waveform transmits：
Defining the data symbol string has N number of data symbol；
It is overlapping by the corresponding waveform of K data symbol in a certain frequency to define the communication waveforms；
Define some first waveform Gi(f), (i=1,2 ..., N), the shared bandwidth of each first waveform is W；
The waveform for defining some second waveforms is moved and realized by shift frequency；
Define some second waveform Xi(f)=Gi(f-fi), (i=1,2 ..., N), wherein, i-th second waveforms Shift frequency amount fiFor：
Represent lower rounding.
Further, when time domain waveform is transmitted：
Defining the data symbol string has N number of data symbol；
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms；
The duration for defining each first waveform is T；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the time interval that the communication waveforms once intercept；
When frequency-domain waveform transmits：
Defining the data symbol string has N number of data symbol；
It is overlapping by the corresponding waveform of K data symbol in a certain frequency to define the communication waveforms；
The shared bandwidth for defining each first waveform is W；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the shared bandwidth that the communication waveforms once intercept；
It is communication means provided by the embodiments of the present application above, relevant technical staff in the field will be understood that the application reality A kind of also corresponding communication system of offer of example is applied, as shown in Figure 2.
Fig. 2 is a kind of configuration diagram of communication system provided by the embodiments of the present application.
The communication system specifically includes：
Signal of communication dispensing device 100, including：
First serioparallel exchange module 101, for data symbol string waiting for transmission to be carried out serioparallel exchange, obtains some data Symbol；
Pulse-shaping module 102, for each carrying out pulse-shaping to some data symbols, obtains some first waves Shape；
Waveform moves module 103, is moved for each carrying out waveform to some first waveforms, obtains some second ripples Shape；
Waveform adder module 104, for some second waveforms to be overlapped mutually, forms communication waveforms；
Sending module 105, for sending the communication waveforms；
Signal of communication reception device 200, including：
Receiving module 201, for receiving the communication waveforms；
Interception module 202 is segmented, for carrying out segmentation interception to the communication waveforms；
Second serioparallel exchange module 203, for carrying out serioparallel exchange after the communication waveforms are carried out with segmentation and is cut, obtains Some 3rd waveforms；
Processing module 204, for according to some 3rd waveforms, determining data symbol string.
The processing module 204 specifically includes：Sampler, balanced device and decision device.
Further, when time domain waveform is transmitted：
Defining the data symbol string has N number of data symbol；
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms；
Define some first waveform gi(t), (i=1,2 ..., N), the duration of each first waveform is T；
The waveform of some second waveforms is moved to be realized by being delayed；
Define some second waveform xi(t)=gi(t-τi), (i=1,2 ..., N), wherein, i-th second waveforms Be delayed τiFor：
Represent lower rounding.
When frequency-domain waveform transmits：
Defining the data symbol string has N number of data symbol；
It is overlapping by the corresponding waveform of K data symbol in a certain frequency to define the communication waveforms；
Define some first waveform Gi(f), (i=1,2 ..., N), the shared bandwidth of each first waveform is W；
The waveform for defining some second waveforms is moved and realized by shift frequency；
Define some second waveform Xi(f)=Gi(f-fi), (i=1,2 ..., N), wherein, i-th second waveforms Shift frequency amount fiFor：
Represent lower rounding.
Further, when time domain waveform is transmitted：
Defining the data symbol string has N number of data symbol；
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms；
The duration for defining each first waveform is T；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the time interval that the communication waveforms once intercept；
When frequency-domain waveform transmits：
Defining the data symbol string has N number of data symbol；
It is overlapping by the corresponding waveform of K data symbol in a certain frequency to define the communication waveforms；
The shared bandwidth for defining each first waveform is W；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the shared bandwidth that the communication waveforms once intercept；
It is communication means provided by the embodiments of the present application and system above, relevant technical staff in the field will be understood that this Apply for that embodiment is also corresponding and a kind of signal of communication method of reseptance is provided, as shown in Figure 3.
Fig. 3 is a kind of flow diagram of signal of communication method of reseptance provided by the embodiments of the present application.
S201：Receive communication waveforms.
The signal of communication reception device includes receiving module, and the receiving module receives the communication waveforms.
S202：The communication waveforms are carried out with segmentation interception and carries out serioparallel exchange, obtains some 3rd waveforms.
The signal of communication reception device further includes segmentation interception module and the second serioparallel exchange module, the segmentation interception Module carries out segmentation interception to the communication waveforms；Second serioparallel exchange module to the communication waveforms carry out segmentation cut it is laggard Row serioparallel exchange, obtains some 3rd waveforms.
S203：According to some 3rd waveforms, data symbol string is determined.
The signal of communication reception device further includes processing module, the processing module according to some 3rd waveforms, Some 3rd waveforms are handled, such as sampling, balanced, judgement, and determine data symbol string.
The application implements, by the way that communication waveforms are carried out interception segmentation, to realize the parallel processing of multistage waveform, raising processing Processing complexity is reduced while efficiency.
Further, when time domain waveform is transmitted：
Defining the data symbol string has N number of data symbol；
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms；
The duration for defining each first waveform is T；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the time interval that the communication waveforms once intercept；
When frequency-domain waveform transmits：
Defining the data symbol string has N number of data symbol；
It is overlapping by the corresponding waveform of K data symbol in a certain frequency to define the communication waveforms；
The shared bandwidth for defining each first waveform is W；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the shared bandwidth that the communication waveforms once intercept；
It is signal of communication method of reseptance provided by the embodiments of the present application above, relevant technical staff in the field will be understood that The embodiment of the present application is also corresponding to provide a kind of signal of communication reception device.
The signal of communication reception device 200, including：
Receiving module 201, for receiving communication waveforms；
Interception module 202 is segmented, for carrying out segmentation interception to the communication waveforms；
Second serioparallel exchange module 203, for carrying out serioparallel exchange after the communication waveforms are carried out with segmentation and is cut, obtains Some 3rd waveforms；
Processing module 204, for being carried out according to some 3rd waveforms, determines data symbol string.
Further, when time domain waveform is transmitted：
Defining the data symbol string has N number of data symbol；
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms；
The duration for defining each first waveform is T；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the time interval that the communication waveforms once intercept；
When frequency-domain waveform transmits：
Defining the data symbol string has N number of data symbol；
It is overlapping by the corresponding waveform of K data symbol in a certain frequency to define the communication waveforms；
The shared bandwidth for defining each first waveform is W；
The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；
It is D to define the shared bandwidth that the communication waveforms once intercept；
Several specific embodiments explained below, so as to the essence of reader comprehensive understanding the application.Obviously, described reality It is only some embodiments of the present application to apply example, instead of all the embodiments.
Specific embodiment one
The communication means of this implementation is used to carry out time domain waveform transmission, joins Fig. 4 in detail.
Fig. 4 is a kind of flow signal of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application Figure.
Fig. 5 is a kind of transmitting terminal model of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application Schematic diagram.
Fig. 6 is that a kind of communication waveforms of communication means for carrying out time domain waveform transmission provided by the embodiments of the present application are shown It is intended to.
Fig. 7 is a kind of receiving terminal model of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application Schematic diagram.
Fig. 8 is that a kind of interception segmentation of communication means for being used to carry out time domain waveform transmission provided by the embodiments of the present application is shown It is intended to.
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms.
S301：Data symbol string waiting for transmission is carried out serioparallel exchange by signal of communication dispensing device, obtains N number of data symbols Number.
S302：The signal of communication dispensing device each carries out N number of data symbol pulse-shaping, obtains N number of the One waveform.Define N number of first waveform gi(t), (i=1,2 ..., N), the duration of each first waveform is T.
S303：The signal of communication dispensing device, each into line delay, obtains N number of second ripple to N number of first waveform Shape.Define some second waveform xi(t)=gi(t-τi), (i=1,2 ..., N), wherein, the delay of i-th of second waveforms τiFor：
Represent lower rounding.
S304：Some second waveforms are overlapped mutually by the signal of communication dispensing device, form communication waveforms.
S305：The signal of communication dispensing device sends the communication waveforms.
S306：Signal of communication reception device receives the communication waveforms.
S307：The signal of communication reception device carries out the communication waveforms segmentation interception and carries out serioparallel exchange, obtains Obtain some 3rd waveforms.The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；Described in definition The time interval that communication waveforms once intercept is D；The number of the 3rd waveform is defined, i.e., described communication waveforms are intercepted segmentation Group number be M；Wherein
Rounding in expression.
S308：The signal of communication reception device samples the M the 3rd waveforms.Ith sample device exports：
Wherein, yi=[y1,y2,…,yL+K-1]T, yj, (j=1,2 ..., L+K-1) represents the sampling of each sampling instant Value；
xi=[x1+(i-1)L,x2+(i-1)L,…,xL+(i-1)L]T, xj+(i-1)L, (j=1,2 ..., L) represent jth+(i-1) L Data symbol；HiRepresent sampling matrix；
,Represent (i-1) L-j, (i-1) L+L + j send symbol (at this time as interference)；Represent interference sample matrix；N represents noise samples value matrix.
S309：Output y of the signal of communication reception device to sampleriCarry out balanced.The output of i-th of balanced device For：Wherein, GiRepresent the balanced matrix of i-th of balanced device. In the present embodiment, the linear equalization algorithm told somebody what one's real intentions are using complexity can select least mean-square error (MMSE) algorithm, force zero (ZF) algorithm or matched filtering (MF) algorithm.When selecting least-mean-square error algorithm, Wherein Rn=E (nnH)；Calculated when selecting force zero During method,When selecting matched filtering algorithm,
S310：Balanced device is exportedMake decisions, then parallel-serial conversion, so as to obtain data symbol.
Specific embodiment two
The communication means of this implementation is used to carry out frequency-domain waveform transmission, joins Fig. 9 in detail.
Fig. 9 is a kind of flow signal of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Figure.
Figure 10 is a kind of transmitting terminal mould of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Type schematic diagram.
Figure 11 is a kind of communication waveforms of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Schematic diagram.
Figure 12 is a kind of receiving terminal mould of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Type schematic diagram.
Figure 13 is a kind of interception segmentation of communication means for being used to carry out frequency-domain waveform transmission provided by the embodiments of the present application Schematic diagram.
It is at a time overlapping by the corresponding waveform of K data symbol to define the communication waveforms.
S401：Data symbol string waiting for transmission is carried out serioparallel exchange by signal of communication dispensing device, obtains N number of data symbols Number.
S402：The signal of communication dispensing device each carries out N number of data symbol pulse-shaping, obtains N number of the One waveform.Define N number of first waveform Gi(f), (i=1,2 ..., N), the shared bandwidth of each first waveform is W.
S403：The signal of communication dispensing device each carries out N number of first waveform shift frequency, obtains N number of second ripple Shape.Define some second waveform Xi(f)=Gi(f-fi), (i=1,2 ..., N), wherein, the shift frequency of i-th of second waveforms Measure fiFor：
Represent lower rounding.
S404：Some second waveforms are overlapped mutually by the signal of communication dispensing device, form communication waveforms.
S405：The signal of communication dispensing device sends the communication waveforms.
S406：Signal of communication reception device receives the communication waveforms.
S407：The signal of communication reception device carries out the communication waveforms segmentation interception and carries out serioparallel exchange, obtains Obtain some 3rd waveforms.The number for defining the corresponding waveform of data symbol during the communication waveforms once intercept is L；Described in definition The time interval that communication waveforms once intercept is D；The number of the 3rd waveform is defined, i.e., described communication waveforms are intercepted segmentation Group number be M；Wherein
Rounding in expression.
S408：The signal of communication reception device samples the M the 3rd waveforms.Ith sample device exports：
Wherein, yi=[y1,y2,…,yL+K-1]T ,yj, (j=1,2 ..., L+K-1) represents the sampled value of each sampling instant；
xi=[x1+(i-1)L,x2+(i-1)L,…,xL+(i-1)L]T, xj+(i-1)L, (j=1,2 ..., L) represent jth+(i-1) L Data symbol；HiRepresent sampling matrix；
Represent (i-1) L-j, (i-1) L+L + j send symbol (at this time as interference)；Represent interference sample matrix；N represents noise samples value matrix.
S409：Output y of the signal of communication reception device to sampleriCarry out balanced.The output of i-th of balanced device For：Wherein, GiRepresent the balanced matrix of i-th of balanced device. In the present embodiment, the linear equalization algorithm told somebody what one's real intentions are using complexity can select least mean-square error (MMSE) algorithm, force zero (ZF) algorithm or matched filtering (MF) algorithm.When selecting least-mean-square error algorithm, Wherein Rn=E (nnH)；Calculated when selecting force zero During method,When selecting matched filtering algorithm,
S410：Balanced device is exportedMake decisions, then parallel-serial conversion, so as to obtain data symbol.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more The computer program production that usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in a square frame or multiple square frames.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net Network interface and memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flashRAM).Memory is showing for computer-readable medium Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves Draw random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electric erasable Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only storage (CD-ROM), Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus Or any other non-transmission medium, the information that can be accessed by a computing device available for storage.Define, calculate according to herein Machine computer-readable recording medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability Comprising so that process, method, commodity or equipment including a series of elements not only include those key elements, but also wrapping Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment it is intrinsic will Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described Also there are other identical element in the process of element, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program product. Therefore, the application can be using the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware Form.Deposited moreover, the application can use to can use in one or more computers for wherein including computer usable program code The shape for the computer program product that storage media is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) Formula.
The foregoing is merely embodiments herein, is not limited to the application.For those skilled in the art For, the application can have various modifications and variations.All any modifications made within spirit herein and principle, be equal Replace, improve etc., it should be included within the scope of claims hereof.

Claims (10)

  1. A kind of 1. communication means, it is characterised in that including：
    Data symbol string waiting for transmission is carried out serioparallel exchange by signal of communication dispensing device, obtains some data symbols；
    The signal of communication dispensing device each carries out pulse-shaping to some data symbols, obtains some first waveforms；
    The signal of communication dispensing device each carries out waveform to some first waveforms and moves, and obtains some second waveforms；
    Some second waveforms are overlapped mutually by the signal of communication dispensing device, form communication waveforms；
    The signal of communication dispensing device sends the communication waveforms；
    Signal of communication reception device receives the communication waveforms；
    The signal of communication reception device carries out the communication waveforms segmentation interception and carries out serioparallel exchange, obtains some 3rd Waveform；
    The signal of communication reception device determines data symbol string according to some 3rd waveforms.
  2. 2. the method as described in claim 1, it is characterised in that
    The data symbol string has N number of data symbol；
    The communication waveforms are at a time overlapping by the corresponding waveform of K data symbol；
    Some first waveform gi(t), (i=1,2 ..., N), the duration of each first waveform is T；
    The waveform of some second waveforms is moved to be realized by being delayed；
    Some second waveform xi(t)=gi(t-τi), (i=1,2 ..., N), wherein, the delay τ of i-th of second waveformsiFor：
    Represent lower rounding；
    Or
    The data symbol string has N number of data symbol；
    The communication waveforms are overlapping by the corresponding waveform of K data symbol in a certain frequency；
    Some first waveform Gi(f), (i=1,2 ..., N), the shared bandwidth of each first waveform is W；
    The waveform of some second waveforms is moved to be realized by shift frequency；
    Some second waveform Xi(f)=Gi(f-fi), (i=1,2 ..., N), wherein, the shift frequency amount f of i-th of second waveformsi For：
    Represent lower rounding.
  3. 3. the method as described in claim 1, it is characterised in that
    The data symbol string has N number of data symbol；
    The communication waveforms are at a time overlapping by the corresponding waveform of K data symbol；
    The duration of each first waveform is T；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The time interval that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>T</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>T</mi> <mi>K</mi> </mfrac> <mo>;</mo> </mrow>
    Or
    The data symbol string has N number of data symbol；
    The communication waveforms are overlapping by the corresponding waveform of K data symbol in a certain frequency；
    The shared bandwidth of each first waveform is W；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The shared bandwidth that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>W</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>W</mi> <mi>K</mi> </mfrac> <mo>.</mo> </mrow>
  4. A kind of 4. communication system, it is characterised in that including：
    Signal of communication dispensing device, including：
    First serioparallel exchange module, for data symbol string waiting for transmission to be carried out serioparallel exchange, obtains some data symbols；
    Pulse-shaping module, for each carrying out pulse-shaping to some data symbols, obtains some first waveforms；
    Waveform moves module, is moved for each carrying out waveform to some first waveforms, obtains some second waveforms；
    Waveform adder module, for some second waveforms to be overlapped mutually, forms communication waveforms；
    Sending module, for sending the communication waveforms；
    Signal of communication reception device, including：
    Receiving module, for receiving the communication waveforms；
    Interception module is segmented, for carrying out segmentation interception to the communication waveforms；
    Second serioparallel exchange module, for carrying out serioparallel exchange after the communication waveforms are carried out with segmentation and is cut, obtains some the Three waveforms；
    Processing module, for according to some 3rd waveforms, determining data symbol string.
  5. 5. system as claimed in claim 4, it is characterised in that
    The data symbol string has N number of data symbol；
    The communication waveforms are at a time overlapping by the corresponding waveform of K data symbol；
    Some first waveform gi(t), (i=1,2 ..., N), the duration of each first waveform is T；
    It is delayer that the waveform, which moves module,；
    Some second waveform xi(t)=gi(t-τi), (i=1,2 ..., N), wherein, the delay τ of i-th of second waveformsiFor：
    Represent lower rounding；
    Or
    The data symbol string has N number of data symbol；
    The communication waveforms are overlapping by the corresponding waveform of K data symbol in a certain frequency；
    Some first waveform Gi(f), (i=1,2 ..., N), the shared bandwidth of each first waveform is W；
    It is frequency shifter that the waveform, which moves module,；
    Some second waveform Xi(f)=Gi(f-fi), (i=1,2 ..., N), wherein, the shift frequency amount f of i-th of second waveformsi For：
    Represent lower rounding.
  6. 6. system as claimed in claim 4, it is characterised in that
    The data symbol string has N number of data symbol；
    The communication waveforms are at a time overlapping by the corresponding waveform of K data symbol；
    The duration of each first waveform is T；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The time interval that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>T</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>T</mi> <mi>K</mi> </mfrac> <mo>;</mo> </mrow>
    Or
    The data symbol string has N number of data symbol；
    The communication waveforms are overlapping by the corresponding waveform of K data symbol in a certain frequency；
    The shared bandwidth of each first waveform is W；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The shared bandwidth that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>W</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>W</mi> <mi>K</mi> </mfrac> <mo>.</mo> </mrow>
  7. A kind of 7. signal of communication method of reseptance, it is characterised in that including：
    Receive communication waveforms, the communication waveforms are overlapped mutually by some second waveforms and are formed, if some second waveforms by Dry first waveform each carries out waveform and moves to be formed, and some first waveforms each carry out pulse-shaping by some data symbols Formed, some data symbols carry out serioparallel exchange by data symbol string waiting for transmission and formed；
    The communication waveforms are carried out with segmentation interception and carries out serioparallel exchange, obtains some 3rd waveforms；
    According to some 3rd waveforms, data symbol string is determined.
  8. 8. the method for claim 7, it is characterised in that
    The data symbol string has N number of data symbol；
    The communication waveforms are at a time overlapping by the corresponding waveform of K data symbol；
    The duration of each first waveform is T；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The time interval that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>T</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>T</mi> <mi>K</mi> </mfrac> <mo>;</mo> </mrow>
    Or
    The data symbol string has N number of data symbol；
    The communication waveforms are overlapping by the corresponding waveform of K data symbol in a certain frequency；
    The shared bandwidth of each first waveform is W；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The shared bandwidth that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>W</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>W</mi> <mi>K</mi> </mfrac> <mo>.</mo> </mrow>
  9. A kind of 9. signal of communication reception device, it is characterised in that including：
    Receiving module, for receiving communication waveforms, the communication waveforms are overlapped mutually by some second waveforms and are formed, described some Second waveform, which by some first waveforms each carries out waveform, to be moved and is formed, some first waveforms by some data symbols each Carry out pulse-shaping to be formed, some data symbols carry out serioparallel exchange by data symbol string waiting for transmission and formed；
    Interception module is segmented, for carrying out segmentation interception to the communication waveforms；
    Second serioparallel exchange module, for carrying out serioparallel exchange after the communication waveforms are carried out with segmentation and is cut, obtains some the Three waveforms；
    Processing module, for being carried out according to some 3rd waveforms, determines data symbol string.
  10. 10. device as claimed in claim 9, it is characterised in that including：
    The data symbol string has N number of data symbol；
    The communication waveforms are at a time overlapping by the corresponding waveform of K data symbol；
    The duration of each first waveform is T；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The time interval that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>T</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>T</mi> <mi>K</mi> </mfrac> <mo>;</mo> </mrow>
    Or
    The data symbol string has N number of data symbol；
    The communication waveforms are overlapping by the corresponding waveform of K data symbol in a certain frequency；
    The shared bandwidth of each first waveform is W；
    The number of the corresponding waveform of data symbol is L during the communication waveforms once intercept；
    The shared bandwidth that the communication waveforms once intercept is D；
    <mrow> <mi>D</mi> <mo>=</mo> <mi>W</mi> <mo>+</mo> <mrow> <mo>(</mo> <mi>L</mi> <mo>-</mo> <mn>1</mn> <mo>)</mo> </mrow> <mfrac> <mi>W</mi> <mi>K</mi> </mfrac> <mo>.</mo> </mrow>
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