CN105119690B - A method of digital data transmission is carried out based on N systems - Google Patents
A method of digital data transmission is carried out based on N systems Download PDFInfo
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- CN105119690B CN105119690B CN201510427234.9A CN201510427234A CN105119690B CN 105119690 B CN105119690 B CN 105119690B CN 201510427234 A CN201510427234 A CN 201510427234A CN 105119690 B CN105119690 B CN 105119690B
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
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Abstract
The present invention relates to field of signal transmissions, more particularly to a kind of method that digital data transmission is carried out based on N systems.Signal is divided into reference signal and data-signal, data setting signal amplitude range is FminTo Fmax, the reference signal is according to default fixed frequency and fixed amplitude FATransmission, the fixed amplitudeThe data-signal is transmitted according to frequency identical with the reference signal, meanwhile, the amplitude of the data-signal is set as according to the digital n to be transmittedN is 2 or more natural numbers,It is the several times of binary transmissions efficiency using the efficiency of transmission of this method on the transmission line, greatly improves effectiveness.Signal is extracted using differential mode simultaneously, improves the signal-to-noise ratio in signals transmission, anti-interference ability is improved, a variety of sending methods such as, interval synchronous with data-signal using reference signal may be selected in transmission process.
Description
Technical field
The present invention relates to field of signal transmissions, more particularly to a kind of method that digital data transmission is carried out based on N systems.
Background technology
Currently, communication data transfer mostly uses binary system, one Bit can only represent one bit of binary, efficiency of transmission
Raising can only use higher transmission frequency, but the promotion of frequency also has the limit, and its corresponding cost also increases sharply.At present
It is to realize the transmission of efficient and high s/n ratio in the communications field, widely used amplitude modulation, frequency modulation, phase modulation carry out signal modulation, wherein greatly
Majority is still transmitted using binary mode.Modulating frequency and frequency, demodulation frequency depend on hardware, excessively high modulation and solution
Its realization difficulty of frequency modulation rate also considerably increases.Digital modulation signals mode, which is had been carried out, in wireless communication field carries out signal biography
It is defeated, and for wired data transfer, binary form is all used substantially, designs novel N binary digits signal transmission thus
Method improves message transmission rate, it is noted that does not include binary system in the meaning of the N systems in the present invention.
Invention content
It is an object of the invention to overcome in existing binary digital signal transmission process, a signal position indicates binary system
In an information, the low drawback of data transmission efficiency, provide it is a kind of based on N systems carry out digital data transmission method, should
Method makes a position of the information in transmission process for digital signal not in only representing binary system, but N system numbers
A position information in, substantially increases data transmission efficiency.In order to achieve the above-mentioned object of the invention, the present invention provides following
Technical solution：
A method of digital data transmission is carried out based on N systems, signal is divided into reference signal and data-signal, is set
Data signal amplitude ranging from FminTo Fmax(unit of amplitude is voltage V), the reference signal is according to default fixed frequency
And fixed amplitude FATransmission, the fixed amplitude The data letter
Number according to frequency identical with the reference signal transmit, meanwhile, the amplitude of the data-signal is set according to the digital n to be transmitted
It is set to0≤n ＜ N, N are 2 or more natural numbers,FA≠0。
In some embodiments, the data signal amplitude range lower limit Fmin>=0, the data-signal is in addition to 0 at this time
The amplitude F of all numbersnIt is just.In data transmission procedure, the reference signal is sent simultaneously with the data-signal；This
When, FAThe rising edge of ＞ 0, the reference signal are the mark for reading the data-signal number.
In other embodiment, the data signal amplitude range lower limit Fmin＜ 0, at this time in the middle part of the data-signal
The amplitude F of score wordnIt is negative.At this point, in data transmission procedure, the reference signal is sent simultaneously with the data-signal；Work as FA
When ＞ 0, the rising edge of the reference signal is the mark for reading the data-signal number；As the FAWhen ＜ 0, the benchmark
The failing edge of signal is the mark for reading the data-signal number.
Preferably, the N systems refer to 4 systems, 8 systems, 10 systems or 16 systems.
Further, given threshold Y,When the amplitude of the data-signal is in Fn- Y to Fn+ Y ranges
When interior, assert that the number that data-signal is transmitted is n.
Further, when data receiver, the data of the data-signal are read using differential mode.
In other embodiment, in data transmission procedure, the reference signal is sent with the data-signal interval.
In other embodiment, in data transmission procedure, the initial period of data transmission first sends reference signal,
Latter straight hair send the data-signal.
Compared with prior art, beneficial effects of the present invention：Using the efficiency of transmission of this method on the transmission line be two into
The several times of efficiency of transmission processed, greatly improve effectiveness.Signal is extracted using differential mode simultaneously, improves signal
Signal-to-noise ratio in transmission process improves anti-interference ability, may be selected in transmission process same using reference signal and data-signal
A variety of sending methods such as step, interval.
Description of the drawings：
Fig. 1 is signal transmission schematic diagram in the embodiment of the present invention.
Fig. 2 is that positive and negative amplitude signal transmits schematic diagram in the embodiment of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.But this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to embodiment below, all to belong to the present invention based on the technology that the content of present invention is realized
Range.
Embodiment 1：As shown in Figure 1, the present embodiment provides a kind of digital signal transmission method of 8 system, signal is divided into
Reference signal and data-signal, data setting signal amplitude range are FminTo Fmax(unit of amplitude is voltage V), this implementation
In example, Fmin=0V, Fmax=4V, the reference signal is according to default fixed frequency and fixed amplitude FATransmission, the fixed width
ValueThe data-signal is transmitted according to frequency identical with the reference signal, meanwhile,
The amplitude of the data-signal is set as according to the digital n to be transmitted0≤n ＜ N, N 2
The above natural number；0 amplitude F of number0=Fmin, specific in the present embodiment, the amplitude of number 0 is 0V, the amplitude F of number 11=
The amplitude of 0.5V, number 2 are F2The amplitude of=1V, number 3 are F3The amplitude of=1.5V, number 4 are F4=2V, the width of number 5
Value is F5The amplitude of=2.5V, number 6 are F6The amplitude of=3V, number 7 are F7=3.5V.
In the present embodiment, when data receiver, the data of the data-signal are read using differential mode.
Further, given threshold Y,When the amplitude of the data-signal is in Fn- Y to Fn+
When within the scope of Y, assert that the number that data-signal is transmitted is n.When the signal is in Fmax-FN-1When, assert that data-signal is passed
Defeated number is N-1.
Meanwhile in the present embodiment, in data transmission procedure, the rising edge of the reference signal is to read the data letter
The mark of number word.
Embodiment 2：As shown in Figure 1, the present embodiment provides a kind of digital signal transmission method of 8 system, signal is divided into
Reference signal and data-signal, data setting signal amplitude range are FminTo Fmax(unit of amplitude is voltage V), this implementation
In example, Fmin=0V, Fmax=4V, the reference signal is according to default fixed frequency and fixed amplitude FATransmission, the fixed width
ValueThe data-signal is according to identical with the reference signal
Frequency is transmitted, meanwhile, the amplitude of the data-signal is set as according to the digital n to be transmitted0≤n ＜ N, N are 2 or more natural numbers, specific in the present embodiment, number
0 amplitude is 0.25V, the amplitude F of number 11The amplitude of=0.75V, number 2 are F2The amplitude of=1.25V, number 3 are F3=
The amplitude of 1.75V, number 4 are F4The amplitude of=2.25V, number 5 are F5The amplitude of=2.75V, number 6 are F6=3.25V, number
The amplitude of word 7 is F7=3.75V.
In the present embodiment, when data receiver, the data of the data-signal are read using differential mode.
Further, given threshold Y,When the amplitude of the data-signal is in Fn- Y to Fn+Y
When in range, assert that the number that passed data-signal is transmitted is n.
Meanwhile in the present embodiment, in data transmission procedure, the rising edge of the reference signal is to read the data letter
The mark of number word.
Embodiment 3：As different from Example 1, the present embodiment provides a kind of 16 systems carries out digital letter based on N systems
The method of number transmission, in the present embodiment, Fmin=0V, Fmax=4V that is, number 0 amplitude be 0, number 1 amplitude F1=
The amplitude of 0.25V, number 2 are F2The amplitude of=0.5V, number 3 are F3The amplitude of=0.75V, number 4 are F4=1V, number 5
Amplitude is F5The amplitude of=1.25V, number 6 are F6The amplitude of=1.5V, number 7 are F7The amplitude of=1.75V, number 8 are F8=
The amplitude of 2V, number 9 are F9The amplitude of=2.25V, number 10 are F10The amplitude of=2.5V, number 11 are F11=2.75V, number
12 amplitude is F12The amplitude of=3V, number 13 are F13The amplitude of=3.25V, number 14 are F14=3.5V, the amplitude of number 15
For F15When data receiver, the data of the data-signal, while threshold value Y=0.25V are read using differential mode by=3.75V.
Embodiment 4：The present embodiment same as Example 1 equally provide 8 systems digital data transmission method, but with reality
It applies unlike example 1, in the present embodiment, Fmin=-4V, Fmax=4V；Reference signal amplitude FA=-3V；Number 0 amplitude be-
4V, the amplitude F of number 11The amplitude of=- 3V, number 2 are F2The amplitude of=- 2V, number 3 are F3=-1V, digital 4 amplitude are
F4The amplitude of=0V, number 5 are F5The amplitude of=1V, number 6 are F6The amplitude of=2V, number 7 are F7=3V.When data receiver,
The data of the data-signal are read using differential mode, meanwhile, the failing edge of the reference signal is to read the data letter
The mark of number word.By making full use of for the positive and negative amplitude of signal amplitude, it can make Fmax-FminRange bigger, this is just
The range that threshold value Y selects setting bigger is allow to increase signal to increase the resolution of different digital in signal
Stability.
Claims (9)
1. a kind of method carrying out digital data transmission based on N systems, which is characterized in that signal is divided into reference signal and data
Signal, data setting signal amplitude range are FminTo Fmax, the reference signal is according to default fixed frequency and fixed amplitude FA
Transmission, the fixed amplitude The data-signal according to it is described
The identical frequency transmission of reference signal, meanwhile, the amplitude of the data-signal is set as according to the digital n to be transmitted0≤n ＜ N, N are 2 or more natural numbers,FA≠0；Also,
2. the method for carrying out digital data transmission based on N systems as described in claim 1, feature
It is, it is describedAt this point, the fixed amplitude of the reference signalMeanwhile the corresponding amplitudes of digital n to be transmitted of the data-signal are
3. the method for carrying out digital data transmission based on N systems as claimed in claim 1 or 2, which is characterized in that the data
Signal amplitude range lower limit Fmin>=0, the amplitude F of all numbers of the data-signal in addition to 0 at this timenIt is just.
4. the method for carrying out digital data transmission based on N systems as claimed in claim 3, which is characterized in that data transmission mistake
Cheng Zhong, the reference signal are sent simultaneously with the data-signal；At this point, FA＞ 0, the rising edge of the reference signal are to read
The mark of the data-signal number.
5. the method for carrying out digital data transmission based on N systems as claimed in claim 1 or 2, which is characterized in that the data
Signal amplitude range lower limit Fmin＜ 0, at this time in the data-signal part number amplitude FnIt is negative.
6. the method for carrying out digital data transmission based on N systems as claimed in claim 5, which is characterized in that data transmission mistake
Cheng Zhong, the reference signal are sent simultaneously with the data-signal；Work as FAWhen ＞ 0, the rising edge of the reference signal is to read
The mark of the data-signal number；As the FAWhen ＜ 0, the failing edge of the reference signal is to read the data-signal number
The mark of word.
7. as claimed in claim 1 or 2 based on N systems carry out digital data transmission method, which is characterized in that the N into
System refers to 4 systems, 8 systems, 10 systems or 16 systems.
8. the method for carrying out digital data transmission based on N systems as claimed in claim 1 or 2, which is characterized in that given threshold
Y,When the amplitude of the data-signal is in Fn- Y to FnWhen in+Y ranges, assert what data-signal was transmitted
Number is n.
9. the method for carrying out digital data transmission based on N systems as claimed in claim 1 or 2, which is characterized in that data receiver
When, the data of the data-signal are read using differential mode.
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| CN1496005A (en) * | 2002-07-31 | 2004-05-12 | 中国科学院过程工程研究所 | Coding method of binary numerical signal and its signal transmission method and circuit |
| CN1632948A (en) * | 2003-12-22 | 2005-06-29 | 上海迪比特实业有限公司 | Method for implementing signal transmission between ICs using multilevel technology |
| CN103118251A (en) * | 2012-05-08 | 2013-05-22 | 友达光电股份有限公司 | Multi-level data transmission method and system |
| CN103259512A (en) * | 2012-01-31 | 2013-08-21 | 阿尔特拉公司 | Multi-level amplitude signaling receiver |
| US8781022B1 (en) * | 2013-03-01 | 2014-07-15 | Au Optronics Corporation | Methods for multi-level data transmission |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1496005A (en) * | 2002-07-31 | 2004-05-12 | 中国科学院过程工程研究所 | Coding method of binary numerical signal and its signal transmission method and circuit |
| CN1632948A (en) * | 2003-12-22 | 2005-06-29 | 上海迪比特实业有限公司 | Method for implementing signal transmission between ICs using multilevel technology |
| CN103259512A (en) * | 2012-01-31 | 2013-08-21 | 阿尔特拉公司 | Multi-level amplitude signaling receiver |
| CN103118251A (en) * | 2012-05-08 | 2013-05-22 | 友达光电股份有限公司 | Multi-level data transmission method and system |
| US8781022B1 (en) * | 2013-03-01 | 2014-07-15 | Au Optronics Corporation | Methods for multi-level data transmission |
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Effective date of registration: 20211018 Address after: 215002 4th floor, building 3, No. 52, Xujiang Road, Suzhou, Jiangsu Patentee after: SUZHOU HUAYU CLEANING EQUIPMENTS Co.,Ltd. Address before: 750021 No. 204, Wenchang North Street, Xixia District, the Ningxia Hui Autonomous Region, Yinchuan Patentee before: BEIFANG MINZU University |
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Effective date of registration: 20221129 Address after: 215000 Tongli town tunnan village, Wujiang City, Suzhou City, Jiangsu Province Patentee after: Wujiang Huayu Purifying Equipment Co.,Ltd. Address before: 215002 4th floor, building 3, No. 52, Xujiang Road, Suzhou, Jiangsu Patentee before: SUZHOU HUAYU CLEANING EQUIPMENTS CO.,LTD. |