CN111404638B - Digital signal transmission method - Google Patents
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- CN111404638B CN111404638B CN202010205659.6A CN202010205659A CN111404638B CN 111404638 B CN111404638 B CN 111404638B CN 202010205659 A CN202010205659 A CN 202010205659A CN 111404638 B CN111404638 B CN 111404638B
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- 208000032369 Primary transmission Diseases 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 18
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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
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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Abstract
The invention relates to a digital signal transmission method, when a digital signal is transmitted, the time interval between one wave and another wave is a specific time interval when the digital signal is transmitted, one transmission comprises one or more waves and the specific time interval, the time interval from the end of one transmission to the beginning of the next transmission is the specific time length, the specific time interval represents a specific character, different waveforms in one transmission can represent different characters, information to be transmitted by the digital signal comprises the characters represented by one or more waves and the specific characters represented by the specific time interval, when the information is received, the waves and the specific time interval received in one transmission are sequentially converted according to corresponding characters set before the digital signal is transmitted, and each transmission is distinguished through the specific time length. The invention provides a digital signal transmission method with higher transmission efficiency.
Description
Technical Field
The invention belongs to the field of digital signal transmission, and particularly relates to a digital signal transmission method.
Background
At present, the existing electronic communication technology has developed to a new stage, various electronic products cannot leave an electromagnetic field and electromagnetic waves, and the electromagnetic waves originally exist around us, for example, mobile phone communication, the internet, various internet of things devices and the like mainly rely on modern technologies such as electromagnetic waves and the like as carriers to transmit and receive information, so that various information can be interactively transmitted. The present communication technology industry inevitably takes advantage of the wide application of electromagnetic waves, and therefore the development of electromagnetic fields and electromagnetic wave technology in electronic communication technology will inevitably become the core of transmitting and converting electromagnetic information. From the technical application, the research on the electronic communication technology in China starts late, but the scale is gradually formed due to continuous exploration.
In the application range of wireless communication technology, the research and development and application of new technologies are particularly important, and the life and even the industry of people can be greatly improved by applying some new technologies in the field of wireless communication. Generally, a conventional wireless communication technology will have a hysteresis phenomenon in receiving and transmitting a message, the hysteresis phenomenon has an effect of reducing the quality of communication service, and if some new wireless communication technologies are developed and introduced, the quality of communication will be significantly improved, of course, the 5G communication technology attracts wide attention from the social circles, and the development of the future communication technology will tend to 5G. When the 5G communication technology is applied, what is needed is how to utilize and improve the communication technology, and the technology is applied to various industries in large quantity, so that a new direction is provided for the innovation of other industries. The improvement of the digital signal transmission method in the existing communication field is one of the improvement directions of the communication technology.
Disclosure of Invention
Object of the Invention
The invention provides a digital signal transmission method, aiming at providing an improvement on a digital signal transmission method in the prior communication technology.
Technical scheme
A digital signal transmission method, when the digital signal is transmitted, the time interval between one wave and another wave is a specific time interval, and one transmission includes one or more waves and their specific time intervals; the specific time interval represents a specific character, the time interval from the end of one transmission to the beginning of the next transmission is a specific time length, the waves of different waveforms in one transmission can represent different characters, the information to be transmitted by the digital signal comprises the characters represented by one or more waves and the specific characters represented by the specific time interval, when receiving, the waves and the specific time interval received in one transmission are converted in sequence according to the corresponding characters set before the digital signal is transmitted, and each transmission is distinguished through the specific time length.
The one-time transmission includes a combination of waves of one or more different waveforms including adjacent waves and their interval times.
The one transmission includes a specific waveform for indicating the end of the transmission.
The specific character is a binary number or a portion of a more than binary number.
The one-time transmission comprises one or more half-waves and their specific time interval composition.
If the specific time length in one transmission exceeds a set time value, the transmission is regarded as finished, and in the one transmission, a short-value digital signal used for indicating the end of the transmission can be set to have a lower sending frequency when being transmitted than the frequency for detecting the digital signal.
The primary transmission includes one or more half-waves, one or more full-waves, and a specific time interval thereof.
Where digital signals are transmitted, a transmission may also include a combination of one or more waves.
The combination of one or more waves includes a full wave, a half wave, and an adjacent wave.
Different waveforms include different intensities of waves.
Advantages and effects
The digital signal transmission method of the invention is different from the existing transmission method, and the transmission efficiency is high.
Drawings
Fig. 1 is a schematic diagram of the components of a transmission signal according to the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings:
as shown in fig. 1, the wave A2, the wave B1 and the wave B2 in fig. 1 are examples of waves, and are used only as examples in the description of the drawings, a digital signal transmission method, when a digital signal is transmitted, a time interval between one wave and another wave is a specific time interval, and one transmission includes one or more waves and their specific time intervals; the specific time interval represents a specific character, the time interval from the end of one transmission to the start of the next transmission is a specific time length, different wave-shaped waves in one transmission can represent different characters, information to be transmitted by the digital signal comprises one or more characters represented by the waves and the specific character represented by the specific time interval, and when the digital signal is received, the waves received in one transmission and the specific time interval are sequentially converted according to the corresponding characters set before the digital signal is transmitted, and one transmission is distinguished through the specific time length.
A combination of one transmission including one or more waves of different waveforms and their interval times;
a transmission includes a specific waveform that indicates the end of the transmission.
The specific character is a binary number or a portion of a number above binary.
One transmission comprises half waves, and the interval time between adjacent half waves consists of a specific time interval and a specific time length.
And if the specific time length in one transmission exceeds a set time value, the transmission is considered to be ended, a short value for indicating the end of the transmission can be set in the one transmission, and if the time interval received by the receiving end is equal to the set short value, the transmission is considered to be ended.
The transmission frequency when the digital signal is transmitted is lower than the frequency for detecting the digital signal, and the higher the frequency for detecting the digital signal is, the faster the transmission rate is.
A transmission comprises one or more half-waves, one or more full-waves and a specific time interval thereof.
Where digital signals are transmitted, a transmission may also include a combination of one or more waves.
The waves in the combination of one or more waves may be full waves or half waves.
Different waveforms include different intensities of waves. If two waves are equally strong, 1 or 0, and two waves are not equally strong, 0 or 1.
The waves of different waveforms are prior art in the present invention, but the transmission of digital signals using waves of different waveforms and time intervals is not prior art.
The transmission ending modes are divided into three types:
1. if the specific time duration in one transmission exceeds a set time value, the transmission is considered to be finished.
2. When the time interval received by the receiving end is equal to the set short value, the transmission is considered to be finished.
3. Using a specific waveform as the end wave, the receiving end receives the waveform and regards it as the end of the transmission.
When the three ending modes are used, selection is carried out according to actual needs, and the setting is not needed.
The detection of the frequency of the digital signal in the invention refers to the frequency for detecting the received digital signal when the receiving end of the digital signal receives the digital signal; each detection is a unit, each unit is a specific time interval, each specific time interval represents a specific character, and different specific time intervals represent different specific characters.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
In embodiment 1 of the present invention, when 00001011 needs to be transmitted, for example, wave a is 1 and wave B is 0, wave B is first emitted at an interval of 6.5 × 10 -9 s further emits wave A, wherein 000101 is defined by a specific time interval, wherein the specific time interval of 000101 is 6.5 × 10 -9 s, i.e. two wavesThe interval between them is 6.5 multiplied by 10 -9 s, when receiving, firstly receiving wave B, the interval is 6.5X 10 -9 s, receiving wave A, and converting into wave A of 1 and wave B of 0 at 6.5 × 10 intervals in sequence during final conversion -9 s is 000101 and combined to yield 00001011.
Example 2
In embodiment 2 of the present invention, when 00000110 and 00010111 need to be transmitted, wave a is 1 and wave B is 0, wherein a specific time interval of 000011 is 6.1 × 10 -9 s,001011 specific time interval is 6.2X 10 -9 s, a specific time length between two transmissions of 6 x 10 -9 s, when transmitting, wave B is transmitted first, with 6.1 × 10 intervals -9 s, re-emission of wave B, interval 6X 10 -9 s, wave B, interval 6.2 × 10 -9 s when wave A is sent out and wave B is received first, the interval is 6.1X 10 -9 s, on reception of wave B, at intervals of 6X 10 -9 s, received wave B, interval 6.2X 10 -9 s receives wave A again, and then converts to 00000110 and 00010111.
Example 3
In embodiment 3 of the present invention, 00000111 needs to be transmitted, the waveform a is defined as 0, the waveform B is defined as 1, and the waveforms a and B are two different waveforms, wherein a specific time interval of 000011 is 6.1 × 10 -9 s, when transmitting, firstly transmitting waveform A with interval of 6.1 × 10 -9 s, then transmitting waveform B, when receiving, firstly receiving waveform A, spacing 6.1X 10 -9 s, receiving the waveform B, and converting to obtain 00000111.
Example 4
In embodiment 4 of the present invention, when 00000110, 00010111 and 00001010 need to be transmitted, wave a is 1, wave B is 0, wave B is first sent out at an interval of 6.5 × 10 -9 s, wave B, interval 6X 10 -9 s, wave B, interval 6.6 × 10 -9 s, wave A, interval 6X 10 -9 s, wave B, interval 6.7 × 10 -9 s, and wave B, wherein the specific time interval of 000011 is 6.5 × 10 - 9 s,001011 specific time interval is 6.6X 10 -9 s,000101 specific time interval is 6.7X 10 -9 s, a specific time length between two transmissions of 6 x 10 -9 s, at the time of receptionWave B is received first, with 6.5X 10 intervals -9 s, received wave B, interval 6 × 10 - 9 s, received wave B, interval 6.6X 10 -9 s, received wave A, spaced 6 × 10 -9 s, received wave B, interval 6.7X 10 -9 s, receiving the wave B, and obtaining 00000110, 00010111 and 00001010 after conversion.
Example 5
In embodiment 5 of the present invention, 00000101 and 10010111 need to be transmitted, and for example, a complete transmission is taken as an example, waveforms a, B, C, and D are used for transmission, where a, B, C, and D are waveforms different from each other, a specific specified waveform a is 0000, a waveform B is 0101, a waveform C is 1001, a waveform D is 0111, and a specific time length is 7 × 10 -9 s, when transmitting, transmitting A and B with an interval of 7 × 10 -9 s, and then C and D are transmitted, and in receiving, A and B are received with an interval of 7X 10 -9 After s, after receiving C and D, the conversion yields 00000101 and 10010111.
Example 6
In embodiment 6 of the present invention, 00100100111 and 00010101 need to be transmitted, waveforms a, B and C are used for transmission, a specific predetermined time interval of 7.2 × 10 is specified for waveform a to be 00, waveform B to be 11, waveform C to be 01, and 1001 -9 s,0101 specific time interval is 7.3X 10 -9 s, a specific time length between two transmissions of 7 x 10 -9 s, when transmitting, transmit A, interval 7.2 × 10 -9 s, send B, interval 7 × 10 -9 s, send A, interval 7.3 × 10 -9 s, sending C, receiving A first at interval of 7.2X 10 -9 s, receive B, interval 7 × 10 -9 s, received A, interval 7.3X 10 -9 s, receiving C, and obtaining 00100100111 and 00010101 after conversion.
Example 7
In embodiment 7 of the present invention, 00000101, 10010111, and 00011110 need to be transmitted, waveforms a, B, C, D, E, and F are used for transmission, the waveforms a, B, C, D, E, and F are different waveforms from each other, a specific specified waveform a is 0000, the waveform B is 0101, the waveform C is 1001, the waveform D is 0111, the waveform E is 0001, the waveform F is 1110, and the specific time length is 7 × 10 -9 When transmitting, the waveform A and the waveform B are transmitted at an interval of 7 × 10 -9 s, transmit waveform C and waveformD, interval 7X 10 -9 s, transmitting waveform E and waveform F, and receiving waveform A and waveform B at 7 × 10 interval -9 s, receiving waveform C, waveform D, interval 1 × 10 -9 s, receiving waveform E and waveform F, passing through specific time length of 7 × 10 -9 s to distinguish the end of each transmission, and converted to 00000101, 10010111, and 00011110.
Example 8
In embodiment 8 of the present invention, 00000101, 10010111, and 00011110 need to be transmitted, waveforms a, B, C, D, E, F, and G are used for transmission, a, B, C, D, E, F, and G are waveforms different from each other, a specific specified waveform a is 0000, a waveform B is 0101, a waveform C is 1001, a waveform D is 0111, E is 0001, F is 1110, and G is an end waveform, and a specific time length is 1 × 10 - 9 s, in transmission, waveform A and waveform B are transmitted at an interval of 1 × 10 -9 s, transmit waveform C and waveform D, spaced 1 × 10 -9 s, transmitting waveform E and waveform F, transmitting end waveform G, receiving waveform A and waveform B at an interval of 1 × 10 -9 s, receiving waveform C, waveform D, interval 1 × 10 -9 s, receiving waveform E, waveform F, receiving end waveform G, and passing specific time length of 1 × 10 -9 s distinguishes the end of each transmission, distinguishes the total end of the transmission by the end waveform G, and is converted to 00000101, 10010111, and 00011110.
Example 9
In embodiment 9 of the present invention, 00000101 and 10010111 need to be transmitted, and waveforms a, B, C, D and E are used for transmission, where a, B, C, D and E are different waveforms, a specific specified waveform a is 00, a specific specified waveform B is 01, a specific specified waveform C is 10, a specific specified waveform D is 11, and a specific time interval of 0001 is 5 × 10 -9 specific time intervals of s,0101 are 6X 10 -9 s, E is a termination waveform, short value t, t in specific time length is less than specific time interval, A is transmitted first when transmitting, interval is 5X 10 -9 s, transmission B, interval t, transmission C, interval 6 × 10 -9 D, E, and A, in reception, at an interval of 5X 10 -9 s, receiving B, interval t, receiving C, receiving 6 × 10 -9 Receiving D, receiving E, passing a specific timeThe end of each transmission is distinguished by a short value t in length, and is indicated by an end waveform E, and 00000101 and 10010111 are obtained by scaling.
The above embodiments are merely examples of the digital signal transmission using various waveforms in the technical solution of the present invention, and the corresponding interval time, waveform and specific time length in each embodiment are only used to illustrate the operating principle of the present invention, and are not taken as a basis for limiting the corresponding interval time, waveform and specific time length, and various permutation and combination of waveforms and time intervals for digital signal transmission are also within the protection scope of the present invention.
Claims (11)
1. A digital signal transmission method, characterized by: when the digital signal is transmitted, the time interval between one wave and another wave is a specific time interval, and one transmission comprises one or more waves and the specific time interval thereof; the specific time interval represents a specific character, the time interval from the end of one transmission to the start of the next transmission is a specific time length, different wave-shaped waves in one transmission can represent different characters, the information to be transmitted by the digital signal comprises one or more characters represented by the waves and the specific character represented by the specific time interval, and when the digital signal is received, the waves received in one transmission and the specific time interval are sequentially converted according to the corresponding characters set before the digital signal is transmitted, and each transmission is distinguished through the specific time length.
2. The digital signal transmission method according to claim 1, wherein: the one-time transmission includes a combination of waves of one or more different waveforms including adjacent waves and their interval times.
3. The digital signal transmission method according to claim 1, wherein: the one-time transmission includes a specific waveform for indicating the end of the transmission.
4. The digital signal transmission method according to claim 1, wherein: the specific character is a binary number or a portion of a more than binary number.
5. The digital signal transmission method according to claim 1, wherein: the one-time transmission comprises one or more half-waves and their specific time interval composition.
6. The digital signal transmission method according to claim 1, wherein: if the specific time length in one transmission exceeds a set time value, the transmission is considered to be finished, and a short value for indicating the end of the transmission can be set in the one transmission.
7. The digital signal transmission method according to claim 1, wherein: the digital signal is transmitted at a lower transmission frequency than the frequency at which the digital signal is detected.
8. The digital signal transmission method according to claim 1, wherein: the primary transmission includes one or more half-waves, one or more full-waves, and a specific time interval thereof.
9. The digital signal transmission method according to claim 1, wherein: where digital signals are transmitted, a transmission may also include a combination of one or more waves.
10. The digital signal transmission method according to claim 9, wherein: the combination of one or more waves includes a full wave, a half wave, and an adjacent wave.
11. The digital signal transmission method according to claim 1, wherein: different waveforms include different intensities of waves.
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