CN111064513A - Visible light communication energy supply integrated network architecture - Google Patents
Visible light communication energy supply integrated network architecture Download PDFInfo
- Publication number
- CN111064513A CN111064513A CN202010045698.4A CN202010045698A CN111064513A CN 111064513 A CN111064513 A CN 111064513A CN 202010045698 A CN202010045698 A CN 202010045698A CN 111064513 A CN111064513 A CN 111064513A
- Authority
- CN
- China
- Prior art keywords
- optical
- module
- visible light
- combined data
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 55
- 230000003287 optical effect Effects 0.000 claims abstract description 163
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000013307 optical fiber Substances 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention relates to the technical field of visible light communication, in particular to a visible light communication energy supply integrated network architecture, which comprises an optical front-end unit and a plurality of optical remote units; the optical front-end unit is used for processing the multi-channel electric domain data signals to form optical domain combined data signals and equally dividing the optical domain combined data signals; the optical remote unit is used for demultiplexing the obtained optical domain combined data signal, separating out a needed electric domain data signal and loading the needed electric domain data signal to a corresponding light source. The invention utilizes the star-shaped passive optical network to be interconnected with each optical remote unit, improves the data transmission capacity and the signal remote capability of the visible light communication system, and provides network connection and high-speed data throughput for the light sources distributed at far spatial positions. And the basic self-sufficiency of the remote power can be realized, the adaptability of the visible light communication system to the electricity-taking unfavorable scene is practically improved while the whole energy use efficiency of the communication network is improved, and the application range of the visible light communication system is remarkably extended.
Description
Technical Field
The invention relates to the technical field of visible light communication, in particular to a visible light communication energy supply integrated network architecture.
Background
The visible light communication is to utilize the existing LED lighting infrastructure, load the data signal on the bias current of the LED light source, and utilize general lighting to provide wireless coverage for users. The prior art mostly discusses and optimizes loading data signals to LED light sources, and there is no sufficient discussion about what kind of forward network architecture a source end simultaneously transfers multiple service data streams to multiple optical remote units in a distributed manner presented by spatial positions. The existing forward transmission network architecture transmits data of a source end to an optical remote unit through a power line or a twisted pair, wherein forward transmission is realized through the power line, and although the existing power line infrastructure can be repeatedly utilized, the existing forward transmission network architecture is limited by the transmission capacity of a power line communication link, so that the bandwidth requirement of visible light communication on high speed and high capacity is difficult to be fully matched; although the security is enhanced by the copper wire forwarding through twisted pair wires and the like, there is a significant deficiency in transmission capacity, so that the wireless transmission potential of visible light communication is difficult to be sufficiently released.
In an actual use place, if the place cannot provide a complete energy supply (commonly called power taking) condition, or has a certain power supply capacity, but has a large potential safety hazard and a large safety risk, the existing visible light communication system cannot be normally used in the place, and thus the existing visible light communication system cannot be flexibly applied to diversified communication scenes.
Disclosure of Invention
The invention provides a visible light communication energy supply integrated network architecture, overcomes the defects of the prior art, and can effectively solve the problem that the prior visible light communication system can not realize the simultaneous transmission of multiple paths of signals. The problem that an existing visible light communication system cannot adapt to a scene with abnormal energy supply is further solved.
The technical scheme of the invention is realized by the following measures: a visible light communication energy supply integrated network architecture comprises a light front end unit, a visible light signal receiving terminal, a plurality of light remote end units and a plurality of light sources, wherein the light remote end units correspond to the light sources one to one, and the light front end unit is connected with each light remote end unit in a star topology mode through a transmission optical fiber;
the optical front-end unit is used for processing the multi-path electric domain data signals to form optical domain combined data signals, equally dividing the optical domain combined data signals and respectively sending the optical domain combined data signals to each optical remote-end unit;
the optical remote unit is used for demultiplexing the obtained optical domain combined data signal, separating a required electric domain data signal, loading the required electric domain data signal to a corresponding light source, and supplying power to the optical remote unit by taking the rest unnecessary electric domain data signal as an electric power energy signal;
a light source for emitting a visible light signal with an electrical domain data signal;
and the visible light signal receiving terminal is used for receiving the visible light signal and obtaining the data information in the visible light signal.
The following is further optimization or/and improvement of the technical scheme of the invention:
the optical front-end unit comprises an optical line unit and an optical splitter, wherein the optical line unit is connected with the optical splitter through a transmission optical fiber;
the optical line unit is used for processing the multi-channel electric domain data signals to form optical domain combined data signals and transmitting the optical domain combined data signals to the optical splitter through a transmission optical fiber;
and the optical splitter is used for splitting the optical domain combined data signals, equally dividing the optical domain combined data signals into multiple optical domain combined data signals, and respectively sending the optical domain combined data signals to each optical remote unit through a transmission optical fiber in a star topology mode, wherein the number of the equally divided optical domain combined data signals is the same as that of the optical remote units.
The optical line unit comprises a time division multiplexing module, an optical intensity modulator and a laser;
the time division multiplexing module is used for carrying out time division multiplexing on the multi-channel electric domain data signals and combining the multi-channel electric domain data signals into an electric domain combined data signal;
the optical intensity modulator is used for modulating the electric domain combined data signal and injecting the modulated electric domain combined data signal into the laser;
and the laser is used for loading the electric domain combined data signal to an optical signal carried by data to generate an optical domain combined data signal, and transmitting the optical domain combined data signal to the optical splitter through a transmission optical fiber.
The optical remote unit comprises a photoelectric receiving module, a time division demultiplexing module, a light source driving module and a rechargeable battery module;
the photoelectric receiving module is used for receiving the optical domain combined data signal sent by the optical splitter and converting the optical domain combined data signal into an electric domain combined data signal;
the time division demultiplexing module is used for demultiplexing the electric domain combined data signal and separating out a required electric domain data signal;
the light source driving module is used for outputting a required electric domain data signal to the light source and driving the light source;
and the rechargeable battery module is used for storing the electric power energy signal and reversely providing the electric power energy signal to the remote transmission driving module.
The visible light signal receiving terminal comprises a photoelectric detector, an amplification and filtering module and a data restoration module, wherein the photoelectric detector is connected with the amplification and filtering module, and the amplification and filtering module is connected with the data restoration module.
The light source is an LED light source.
The integrated network architecture has the advantages of reasonable and compact structure and convenient use, constructs a visible light communication energy supply integrated network architecture, wherein the optical front-end unit is interconnected with each optical remote-end unit by using a star-shaped passive optical fiber network, fully utilizes the characteristic of large transmission capacity of optical fiber communication, improves the data transmission capacity and signal remote capacity of a visible light communication system compared with the existing transmission mode of using a power line and a non-ferrous metal line, provides network connection and high-speed data throughput for light sources distributed at far spatial positions, can effectively save non-ferrous metal resources and reduces the cost of a forward transmission part of the visible light communication system. And the basic self-sufficiency of the remote power can be realized, the adaptability of the visible light communication system to the electricity-taking unfavorable scene is improved while the integral energy use efficiency of the communication network is improved, and the application range of the visible light communication system is remarkably extended.
Drawings
Fig. 1 is a schematic circuit structure of the present invention.
Fig. 2 is a schematic circuit diagram of the optical line unit shown in fig. 1.
Fig. 3 is a schematic circuit diagram of the optical remote unit shown in fig. 1.
Fig. 4 is a schematic circuit structure diagram of the visible light signal receiving terminal of the present invention.
Fig. 5 is a schematic application diagram of the present invention in an application scenario.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
The invention is further described with reference to the following examples and figures:
as shown in fig. 1, 4 and 5, the visible light communication and energy supply integrated network architecture comprises an optical front end unit, a visible light signal receiving terminal, a plurality of optical remote units and a plurality of light sources, wherein the optical remote units correspond to the light sources one to one, and the optical front end unit is connected with each optical remote unit in a star topology mode through a transmission optical fiber;
the optical front-end unit is used for processing the multi-path electric domain data signals to form optical domain combined data signals, equally dividing the optical domain combined data signals and respectively sending the optical domain combined data signals to each optical remote-end unit;
the optical remote unit is used for demultiplexing the obtained optical domain combined data signal, separating a required electric domain data signal, loading the required electric domain data signal to a corresponding light source, and supplying power to the optical remote unit by taking the rest unnecessary electric domain data signal as an electric power energy signal;
a light source for emitting a visible light signal with an electrical domain data signal;
and the visible light signal receiving terminal is used for receiving the visible light signal and obtaining the data information in the visible light signal.
The optical front-end unit combines input multiple paths of electric domain data signals in a TDM time division multiplexing mode to form an optical domain combined data signal, equally divides the optical domain combined data signal, and respectively sends the optical domain combined data signal to each optical far-end unit, so that simultaneous transmission of multiple paths of electric domain data signals is realized, data is transmitted between the optical front-end unit and multiple optical far-end units in a time division multiplexing mode, a basic condition is provided for constructing a network architecture with integrated communication functions, the number of the equally divided optical domain combined data signals is the same as that of the optical far-end units, generally, for convenience of engineering design and construction, the number of the equally divided optical domain combined data signals can be a power of 2, for example, the number of the optical far-end units is 4, and the optical domain combined data signals are equally divided into 4 parts.
The optical front-end unit is interconnected with each optical remote-end unit by using the star-type passive optical fiber network, the characteristic of large transmission capacity of optical fiber communication is fully utilized (the transmission capacity of a mainstream commercial optical fiber single-wavelength channel can reach 40Gbps at present), and compared with the existing transmission mode of using a power line and a non-ferrous metal line, the data transmission capacity and the signal remote capacity of the visible light communication system are improved, network connection and high-speed data throughput are provided for light sources distributed far away in spatial position, non-ferrous metal resources can be effectively saved, and the cost of the front-transmission part of the visible light communication system is reduced.
The optical remote unit can supply power to the optical domain combined data signal by taking the unnecessary electric domain data signal as an electric power energy signal, so that the far-end transmission driving module is powered, the basic self-support of far-end power is realized, the adaptability of the visible light communication system to the electricity-taking unfavorable scene is improved while the whole energy use efficiency of the communication network is improved, and the application range of the visible light communication system is remarkably extended.
According to actual needs, the visible light communication energy supply integrated network architecture can be further optimized or/and improved:
as shown in fig. 1, 2 and 5, the optical front-end unit includes an optical line unit and an optical splitter, and the optical line unit is connected to the optical splitter through a transmission optical fiber;
the optical line unit is used for processing the multi-channel electric domain data signals to form optical domain combined data signals and transmitting the optical domain combined data signals to the optical splitter through a transmission optical fiber;
and the optical splitter is used for splitting the optical domain combined data signals, equally dividing the optical domain combined data signals into multiple optical domain combined data signals, and respectively sending the optical domain combined data signals to each optical remote unit through a transmission optical fiber in a star topology mode, wherein the number of the equally divided optical domain combined data signals is the same as that of the optical remote units.
The optical line unit is interconnected with the optical splitter through the transmission optical fiber, the characteristic of large transmission capacity of optical fiber communication is fully utilized (the transmission capacity of a single wavelength channel of the mainstream commercial optical fiber can reach 40 Gbps), the data transmission capacity of the visible light communication system is improved, the optical line unit can be arranged at a spatial position far away from a visible light access place of a user, optical signal zooming can be easily realized through an optical fiber link between the optical line unit and the optical splitter (for example, as shown in figure 5), great convenience and flexibility are provided for station selection and centralized management of the optical line unit, and a network operator can reduce station site renting cost and operation and maintenance cost. The optical splitter equally divides the optical domain combined data signals to obtain multiple optical domain combined data signals with the same number as that of the optical remote units.
As shown in fig. 1 and 2, the optical line unit includes a time division multiplexing module, an optical intensity modulator, and a laser;
the time division multiplexing module is used for carrying out time division multiplexing on the multi-channel electric domain data signals and combining the multi-channel electric domain data signals into an electric domain combined data signal;
the optical intensity modulator is used for modulating the electric domain combined data signal and injecting the modulated electric domain combined data signal into the laser;
and the laser is used for loading the electric domain combined data signal to an optical signal carried by data to generate an optical domain combined data signal, and transmitting the optical domain combined data signal to the optical splitter through a transmission optical fiber.
The time division multiplexing module can be a multiplexer, and the multi-channel electric domain data signals are combined into the electric domain combined data signals in a time division multiplexing mode, so that basic conditions are provided for constructing a network architecture with integrated communication functions. The light intensity modulator is used for modulating the electric domain combined data signal and injecting the modulated electric domain combined data signal into the laser; the laser may be of the LD-1064 type and is used to generate an optical domain combined data signal.
As shown in fig. 1 and 3, the optical remote unit includes a photoelectric receiving module, a time division demultiplexing module, a light source driving module and a rechargeable battery module;
the photoelectric receiving module is used for receiving the optical domain combined data signal sent by the optical splitter and converting the optical domain combined data signal into an electric domain combined data signal;
the time division demultiplexing module is used for demultiplexing the electric domain combined data signal and separating out a required electric domain data signal;
the light source driving module is used for outputting a required electric domain data signal to the light source and driving the light source;
and the rechargeable battery module is used for storing the electric power energy signal and reversely providing the electric power energy signal to the remote transmission driving module.
The photoelectric receiving module can be a photoelectric receiver. The time division demultiplexing module may be a demultiplexer for separating out the electrical domain data signal (i.e. the timeslot signal) associated with itself. The light source driving module can be a Bias-Tee and outputs the electric domain data signal to the input end of the light source.
The time division demultiplexing module sends the residual useless electric domain data signals after demultiplexing to the rechargeable battery module as electric power energy signals, and the rechargeable battery module feeds the useless electric domain data signals to the photoelectric receiver, the time division demultiplexing module and the light source driving module respectively. The photoelectric receiver receives the electric power energy signal, realizes the bias of photoelectric receiver, promotes the photoelectric conversion efficiency of self. The time division demultiplexing module receives the electric power energy signal to realize self bias power supply. The light source driving module receives an electric power energy signal to realize self bias power supply, the light source is stabilized to a direct current bias point in a linear interval, the direct current bias point is ensured to be large enough, the data signal amplitude limiting effect caused by insufficient direct current bias is avoided, meanwhile, the direct current bias signal and a useful electric domain data signal obtained by demultiplexing of the time division demultiplexing module are sent to the light source, the electric domain data signal is loaded to the light source through the direct current bias signal, and the light source is driven to be lightened.
Therefore, the electric power energy signal is transmitted back to the photoelectric receiving module, the time division demultiplexing module and the light source driving module through the rechargeable battery module, so that the optical remote unit and the light source can complete the transmission of visible light communication data without depending on a local energy supply system (usually an electric power system) and provide the required visible light communication coverage for users. The basic self-sufficiency of the far-end power is realized, the adaptability of the visible light communication system to the electricity-taking unfavorable scene is improved while the whole energy use efficiency of the communication network is improved, and the application range of the visible light communication system is remarkably extended.
The remote optical unit may be powered by a rechargeable battery module inside the remote optical unit, but it is not necessarily powered by the rechargeable battery module, and may be powered by a local power supply system (usually, an electric power system) when conditions and situations are good.
As shown in fig. 1 and 4, the visible light signal receiving terminal includes a photodetector, an amplifying and filtering module, and a data restoring module, where the photodetector is connected to the amplifying and filtering module, and the amplifying and filtering module is connected to the data restoring module.
The photoelectric detector is a known technology and is used for receiving visible light and acquiring a data electric signal in the visible light; the amplifying and filtering module is a prior known technology and is used for amplifying a data electric signal and filtering out-of-band noise by means of an electric domain low-pass (or band-pass) filter; the data restoring module can be realized by a TMS320C6678 digital signal processor based on KeyStone of Texas instruments, and is used for judging and restoring the amplified and filtered data electric signal and restoring the original data signal.
According to the requirement, the light source is an LED light source.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. A visible light communication energy supply integrated network architecture is characterized by comprising light front end units, a visible light signal receiving terminal, a plurality of light remote end units and a plurality of light sources, wherein the light remote end units correspond to the light sources one to one, and the light front end units are connected with each light remote end unit in a star topology mode through transmission optical fibers;
the optical front-end unit is used for processing the multi-path electric domain data signals to form optical domain combined data signals, equally dividing the optical domain combined data signals and respectively sending the optical domain combined data signals to each optical remote-end unit;
the optical remote unit is used for demultiplexing the obtained optical domain combined data signal, separating a required electric domain data signal, loading the required electric domain data signal to a corresponding light source, and supplying power to the optical remote unit by taking the rest unnecessary electric domain data signal as an electric power energy signal;
a light source for emitting a visible light signal with an electrical domain data signal;
and the visible light signal receiving terminal is used for receiving the visible light signal and obtaining the data information in the visible light signal.
2. The integrated network architecture for visible light communication and energy supply of claim 1, wherein the optical front-end unit comprises an optical line unit and an optical splitter, the optical line unit is connected with the optical splitter through a transmission fiber;
the optical line unit is used for processing the multi-channel electric domain data signals to form optical domain combined data signals and transmitting the optical domain combined data signals to the optical splitter through a transmission optical fiber;
and the optical splitter is used for splitting the optical domain combined data signals, equally dividing the optical domain combined data signals into multiple optical domain combined data signals, and respectively sending the optical domain combined data signals to each optical remote unit through a transmission optical fiber in a star topology mode, wherein the number of the equally divided optical domain combined data signals is the same as that of the optical remote units.
3. The integrated network architecture for visible light communication energy supply of claim 1 or 2, wherein the optical line unit comprises a time division multiplexing module, an optical intensity modulator and a laser;
the time division multiplexing module is used for carrying out time division multiplexing on the multi-channel electric domain data signals and combining the multi-channel electric domain data signals into an electric domain combined data signal;
the optical intensity modulator is used for modulating the intensity of the electric domain combined data signal and injecting the electric domain combined data signal into the laser;
and the laser is used for loading the electric domain combined data signal to an optical signal carried by data to generate an optical domain combined data signal, and transmitting the optical domain combined data signal to the optical splitter through a transmission optical fiber.
4. The integrated network architecture for visible light communication and energy supply of claim 1 or 2, wherein the optical remote unit comprises a photoelectric receiving module, a time division demultiplexing module, a light source driving module and a rechargeable battery module;
the photoelectric receiving module is used for receiving the optical domain combined data signal sent by the optical splitter and converting the optical domain combined data signal into an electric domain combined data signal;
the time division demultiplexing module is used for demultiplexing the electric domain combined data signal and separating out a required electric domain data signal;
the light source driving module is used for outputting a required electric domain data signal to the light source and driving the light source;
and the rechargeable battery module is used for storing the electric power energy signal and reversely providing the electric power energy signal to the remote transmission driving module.
5. The integrated network architecture for visible light communication and energy supply of claim 3, wherein the optical remote unit comprises a photoelectric receiving module, a time division demultiplexing module, a light source driving module and a rechargeable battery module;
the photoelectric receiving module is used for receiving the optical domain combined data signal sent by the optical splitter and converting the optical domain combined data signal into an electric domain combined data signal;
the time division demultiplexing module is used for demultiplexing the electric domain combined data signal and separating out a required electric domain data signal;
the light source driving module is used for outputting a required electric domain data signal to the light source and driving the light source;
and the rechargeable battery module is used for storing the electric power energy signal and reversely providing the electric power energy signal to the remote transmission driving module.
6. The visible light communication and energy supply integrated network architecture according to claim 1, 2 or 5, wherein the visible light signal receiving terminal comprises a photoelectric detector, an amplification and filtering module and a data restoration module, the photoelectric detector is connected with the amplification and filtering module, and the amplification and filtering module is connected with the data restoration module.
7. The visible light communication and energy supply integrated network architecture according to claim 3, wherein the visible light signal receiving terminal comprises a photoelectric detector, an amplification and filtering module and a data restoration module, the photoelectric detector is connected with the amplification and filtering module, and the amplification and filtering module is connected with the data restoration module.
8. The visible light communication and energy supply integrated network architecture according to claim 4, wherein the visible light signal receiving terminal comprises a photoelectric detector, an amplification and filtering module and a data restoration module, the photoelectric detector is connected with the amplification and filtering module, and the amplification and filtering module is connected with the data restoration module.
9. The integrated network architecture for supplying energy in visible light communication according to claim 1, 2, 5, 7 or 8, wherein said light source is an LED light source.
10. The integrated network architecture for supplying energy in visible light communication of claim 6, wherein said light source is an LED light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045698.4A CN111064513A (en) | 2020-01-16 | 2020-01-16 | Visible light communication energy supply integrated network architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045698.4A CN111064513A (en) | 2020-01-16 | 2020-01-16 | Visible light communication energy supply integrated network architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111064513A true CN111064513A (en) | 2020-04-24 |
Family
ID=70307418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010045698.4A Pending CN111064513A (en) | 2020-01-16 | 2020-01-16 | Visible light communication energy supply integrated network architecture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111064513A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756444A (en) * | 2020-06-28 | 2020-10-09 | 新疆大学 | Visible light communication emitter based on optical beam switching and communication method |
| CN111953420A (en) * | 2020-07-21 | 2020-11-17 | 中国科学院深海科学与工程研究所 | Photon-carried electric energy transmission device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684619A (en) * | 2013-12-19 | 2014-03-26 | 福建星网锐捷网络有限公司 | Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment |
| CN104168062A (en) * | 2014-08-25 | 2014-11-26 | 中国科学院半导体研究所 | Energy-self-feeding visible light wireless communication system |
| CN105142155A (en) * | 2015-07-13 | 2015-12-09 | 广州杰赛科技股份有限公司 | Optical fiber distribution system and method |
| CN105306140A (en) * | 2014-05-29 | 2016-02-03 | 南京复实通讯科技有限公司 | Networking system for visible light communication and networking method thereof |
| CN105429704A (en) * | 2015-11-30 | 2016-03-23 | 上海航天测控通信研究所 | Visible light modulation system for visible light communication |
| US20180233030A1 (en) * | 2008-09-05 | 2018-08-16 | Ketra, Inc. | Visible Light Communication System And Method |
| CN108736974A (en) * | 2018-06-30 | 2018-11-02 | 安徽合软信息技术有限公司 | A kind of novel visible communication system |
-
2020
- 2020-01-16 CN CN202010045698.4A patent/CN111064513A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180233030A1 (en) * | 2008-09-05 | 2018-08-16 | Ketra, Inc. | Visible Light Communication System And Method |
| CN103684619A (en) * | 2013-12-19 | 2014-03-26 | 福建星网锐捷网络有限公司 | Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment |
| CN105306140A (en) * | 2014-05-29 | 2016-02-03 | 南京复实通讯科技有限公司 | Networking system for visible light communication and networking method thereof |
| CN104168062A (en) * | 2014-08-25 | 2014-11-26 | 中国科学院半导体研究所 | Energy-self-feeding visible light wireless communication system |
| CN105142155A (en) * | 2015-07-13 | 2015-12-09 | 广州杰赛科技股份有限公司 | Optical fiber distribution system and method |
| CN105429704A (en) * | 2015-11-30 | 2016-03-23 | 上海航天测控通信研究所 | Visible light modulation system for visible light communication |
| CN108736974A (en) * | 2018-06-30 | 2018-11-02 | 安徽合软信息技术有限公司 | A kind of novel visible communication system |
Non-Patent Citations (2)
| Title |
|---|
| YASUHIROFUKUMORI等: ""About multi-level LEDs driving in visible light communication"", 《IEEE》 * |
| 王丽: ""可见光通信光源布局和异构组网切换算法研究"", 《万方数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756444A (en) * | 2020-06-28 | 2020-10-09 | 新疆大学 | Visible light communication emitter based on optical beam switching and communication method |
| CN111756444B (en) * | 2020-06-28 | 2023-03-24 | 新疆大学 | Communication method of visible light communication transmitter based on switchable light beams |
| CN111953420A (en) * | 2020-07-21 | 2020-11-17 | 中国科学院深海科学与工程研究所 | Photon-carried electric energy transmission device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5861966A (en) | Broad band optical fiber telecommunications network | |
| US6898206B2 (en) | Wavelength division multiplexed (WDM) ring passive optical network (PON) with route protection for replacement of splitter based passive optical networks | |
| CN102710361B (en) | A kind of distributed base station signal transmission system and communication system | |
| EP1887724A1 (en) | A wavelength division multiplexing passive optical network and its implement method | |
| CN108512623B (en) | Quantum channel and classical channel composite fiber QKD system and transmission method thereof | |
| US20100021164A1 (en) | Wdm pon rf/video broadcast overlay | |
| CN113507316B (en) | Single-fiber bidirectional passive optical fiber audio transmission system and optical fiber transmission network | |
| CN111064513A (en) | Visible light communication energy supply integrated network architecture | |
| WO2024027275A1 (en) | Optical fiber state detection method, optical transceiver assembly, and network element device | |
| CN111262631B (en) | Management information processing method, optical module, ONU and application system thereof | |
| KR20040064853A (en) | Distributed multi-drop base station and repeating unit using extension analog optical transmission in mobile communication system | |
| CN111211837A (en) | Visible light communication system based on optical fiber energy supply | |
| JPH0259658B2 (en) | ||
| CN112671468A (en) | OLT optical transceiver integrated module, method and system for processing multiple PONs | |
| US7756419B2 (en) | Traffic signal node cross scheduling method and system | |
| CN113872699B (en) | Light emitting device, method and optical module | |
| AU2021104561A4 (en) | An integrated network architecture based visible light communication system | |
| CN211046936U (en) | Visible light signal transmitting device based on multiplexing and energy supply | |
| CN112054868B (en) | Optical module, management and control information processing method and communication system | |
| CN111917507A (en) | Integrated wavelength division system and equipment | |
| JP3889735B2 (en) | Power supply device and power supply method for medium converter for optical communication | |
| JPH0817349B2 (en) | Optical connection system between subscriber terminal and branch of communication network | |
| JP4237527B2 (en) | WDM optical transmission system | |
| CN1787417B (en) | Light retransmission apparatus for wave division multiplex system | |
| AU2021104489A4 (en) | Visible light communication system based on optical fiber power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200424 |