CN112887024A - Method, device and equipment for optimizing visible light communication performance and computer readable storage medium - Google Patents
Method, device and equipment for optimizing visible light communication performance and computer readable storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
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Abstract
The application discloses a performance optimization method, a performance optimization device, performance optimization equipment and a computer-readable storage medium of a visible light communication system, wherein a bias current value and a signal component value of the visible light communication system are obtained, the temperature of a light-emitting device is determined according to the bias current value and the signal component value, the temperature is taken as a constraint condition, and the performance parameters of the visible light communication system are determined to meet the optimal bias current value under the preset condition, wherein the performance parameters comprise illumination flux and alternating current flux. And adjusting the bias current value of the visible light communication system to be an optimal bias current value, and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux. Therefore, the temperature is taken as the constraint, and the visible light communication system is optimized from the angles of the bias current value and the alternating current component, so that the performance of the visible light communication system is improved.
Description
Technical Field
The present application relates to the field of visible light communication, and in particular, to a method, an apparatus, a device, and a computer-readable storage medium for optimizing visible light communication performance.
Background
In recent years, the demand for high-speed data has forced radio frequency technology to be updated iteratively. Radio frequency technology will face bandwidth disputes, security and electromagnetic pollution challenges. The visible light communication technology is used as a substitute for a radio frequency technology, has rich frequency spectrum resources, endogenous safety, lighting and no electromagnetic pollution. The communication taking light as a medium has potential application value.
At present, the visible light communication system is constructed around an idealized model, that is, the linearization of the modulation interval is ideally assumed.
Disclosure of Invention
The applicant found in the course of the study: temperature is a non-negligible influence factor of visible light communication, and therefore, if the visible light communication system is simply regarded as a linear system and the influence of temperature is ignored, the performance of the visible light communication system is degraded. How to improve the performance of the visible light communication system by using the temperature as a constraint condition becomes a problem to be solved at present.
The application provides a method, a device, equipment and a computer readable storage medium for optimizing visible light communication performance, and aims to solve the problem of how to improve the performance of a visible light communication system.
In order to achieve the above object, the present application provides the following technical solutions:
a method for optimizing visible light communication performance comprises the following steps:
acquiring a bias current value and a signal component value of a visible light communication system;
determining the temperature of the light emitting device according to the bias current value and the signal component value;
determining that the performance parameters of the visible light communication system meet the optimal bias current value under the preset condition by taking the temperature as a constraint condition; the performance parameters include illumination flux and alternating current flux;
and adjusting the bias current value of the visible light communication system to be the optimal bias current value, and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux.
Optionally, the obtaining a bias current value of the visible light communication system includes:
and determining the bias current value of the visible light communication system according to the illumination requirement configured for the visible light communication system in advance.
Optionally, the process of acquiring the signal component values includes:
determining the signal component values of the visible light communication system according to a bit error rate configured for the visible light communication system in advance.
Optionally, the preset conditions include:
the illumination flux determined by the bias current value is not lost, and the alternating current flux is maximum.
Optionally, after the adjusting the bias current value of the visible light communication system to the optimal bias current value and/or adjusting the signal component value of the visible light communication system to a value corresponding to the alternating current flux, the method further includes:
reducing the temperature of the visible light communication system.
Optionally, the reducing the temperature of the visible light communication system includes:
activating a heat sink component of the visible light communication system.
Optionally, the reducing the temperature of the visible light communication system includes:
and replacing the heat dissipation part of the visible light communication system, wherein the heat dissipation coefficient of the heat dissipation part after replacement is higher than that of the heat dissipation part before replacement.
An apparatus for optimizing visible light communication performance, comprising:
the acquisition module is used for acquiring a bias current value and a signal component value of the visible light communication system;
a first determining module for determining the temperature of the light emitting device according to the bias current value and the signal component value;
the second determining module is used for determining that the performance parameter of the visible light communication system meets the optimal bias current value under the preset condition by taking the temperature as a constraint condition; the performance parameters include illumination flux and alternating current flux;
and the adjusting module is used for adjusting the bias current value of the visible light communication system to be the optimal bias current value and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux.
An apparatus for optimizing visible light communication performance, comprising: a processor and a memory;
the memory is used for storing a program, and the processor is used for executing the program, wherein the program executes the optimization method of the visible light communication performance during the operation.
A computer-readable storage medium having a program stored thereon, wherein the program is executed by a computing device to perform the above-mentioned method for optimizing visible light communication performance.
According to the technical scheme, the bias current value and the signal component value of the visible light communication system are obtained, the temperature of the light emitting device is determined according to the bias current value and the signal component value, the temperature is taken as a constraint condition, the optimal bias current value of the visible light communication system is determined that the performance parameters meet the preset conditions, and the performance parameters comprise illumination flux and alternating current flux. And adjusting the bias current value of the visible light communication system to be an optimal bias current value, and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux. Therefore, the temperature is taken as the constraint, and the visible light communication system is optimized from the angles of the bias current value and the alternating current component, so that the performance of the visible light communication system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic illustration of the effect of calibration temperature on LED system performance;
FIG. 2 is a schematic diagram of the effect of temperature factors on BER performance of an LED system;
FIG. 3 is a schematic diagram showing the output luminous flux versus current variation;
FIG. 4 is a diagram of simulation effects of the relationship of light effects, illumination components and signal components;
fig. 5 is a flowchart of a method for optimizing performance of visible light communication according to an embodiment of the present disclosure;
fig. 6 is a flowchart of another method for optimizing performance of visible light communication disclosed in the embodiment of the present application;
fig. 7 is a flowchart illustrating a specific process of acquiring a bias current value and a signal component value of a visible light communication system according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of an apparatus for optimizing visible light communication performance disclosed in an embodiment of the present application.
Detailed Description
The applicant has discovered in the course of research the following characteristics of visible light communication (taking LED as an example) systems:
1. the performance of the LED system can be significantly improved by reducing the temperature of the LED system.
Taking the calibration temperatures of the LED system as 105 ℃, 90 ℃ and 75 ℃ respectively as an example, for the LED system, the temperature directly depends on the power. From the simulation results shown in fig. 1, it can be seen that: for a curve at a temperature of 105 c, the allowed ac component (for communication) and the dc component (for illumination) are minimal, the allowed signal component and the illumination component are significantly increased when limiting the temperature to 90 c, further reducing the nominal temperature, and the allowed dc component and the signal component are maximal when limiting the temperature to 75 c, clearly the performance of the LED system can be significantly improved by reducing the temperature of the LED system (note: the broken line portion in the figure is the boundary limited by the LED when reaching a maximum current of 1.05A).
2. As the temperature coefficient increases, the bit error rate BER of the LED system increases.
In order to verify the influence of temperature factors of the LED system on the BER (bit error rate), the temperature coefficient (DEG C/W) of the LED system is changed, and the R is changedjc+RhsValue of) to observe the change in the optimum bias point of an LED system modulated with a 2PAM signal. As a result, as shown in FIG. 2, the calibrated luminous flux is 220lm, the BER of the LED system becomes larger with the increase of the temperature coefficient, the optimal bias point of the LED is shifted to the right, when the bias current is larger than the optimal bias current, the system is significantly influenced by the temperature, and the performance of the LED system is reduced.
3. Temperature affects the luminous flux.
The total power of the LED system depends on the sum of the bias current of the LEDs and the effective value of the modulation signal. The luminous flux output can then be calculated as:
F(I(t),Tj)＝F0*(K0-K1*Tj(PLED))*F(d1*I(t)) (1)
according to the formula, the luminous flux output characteristics of the LED are shown in fig. 3. Wherein, K0，K1，d1Are all linear fitting coefficients. F0 denotes the nominal luminous flux, PLEDRepresenting the power of the LED, I representing the drive current of the LED, I0To fit the reference current (typically 0.35A), Ta represents ambient temperature (typically 25 ℃), Rja and Rhs represent the temperature coefficients of the silicon heat sink and the heat spreader plate, respectively, in deg.c/w; khIndicating the heat efficiency of the LED (typically 0.85), V0 is the threshold voltage of the LED (typically 2.75V); RL is the load resistance of the LED (on the order of a few ohms); t0 is the reference temperature (typically 25 ℃). Kv represents the rate of influence of junction temperature on voltage (typical value is-0.002 v/deg.c); irms represents the mean square value of the current, which is determined by the bias current and the modulation signal.
As is evident from fig. 3: there is a concave relationship between LED output luminous flux and current. The concave relation is caused by negative feedback caused by power (generated temperature), and as the LED driving current (including an alternating current component and a direct current component) is larger, the temperature of the LED is higher, so that the luminous efficiency of the LED is reduced, and the luminous flux of the LED is increased slowly and even increased negatively. Take 2PAM modulation as an example, and F is the luminous flux for LED without modulationBUsing the average luminous flux after modulation as FAClearly, a drop in output luminous flux.
And increasing the bias current to IaIn a compensation manner to achieve the same luminous flux, further deterioration in luminous efficiency and deterioration in communication performance are caused, which is not preferable in optimization of communication performance.
4. Modulation effects on light efficiency and temperature
The main role of optimizing LED lighting systems is luminous efficiency rather than energy efficiency, so it is necessary to optimize the luminous efficiency of LEDs as much as possible to ensure the lighting component and the ac signal component of LEDs. Wherein, the alternating current component of the LED is:
the light efficiency of an LED can be calculated as:
wherein, FavgIs the average luminous flux, PLEDIs the power of the LED.
Fig. 4 is a simulation effect of the relationship of the light effect, the illumination component and the signal component, wherein the simulated illumination flux ranges from 140lm to 220lm, and the logarithmic value of the alternating current component and the direct current component is adopted as the variation. As can be seen from fig. 4, the curve with higher luminous flux has lower luminous efficiency when the intensity of the ac signal is lower, because the light flux output result is mainly determined by the bias current when the modulation depth signal is superimposed on the bias current, and increasing the bias current can effectively increase the lighting effect, but at the expense of the luminous efficiency. With the increase of the alternating current component on the current, the luminous efficiency of the curve with high illumination is obviously reduced, and the allowable alternating current component proportion is minimum. For the curve with small DC illumination, the higher the allowable AC component ratio, the smaller the relative light effect loss.
As can be seen from the above 1-4, the temperature has a large influence on the LDE system, and therefore, the system cannot be easily linearized. The embodiment of the application provides a visible light communication performance optimization method, which takes temperature as a constraint condition and aims to improve the performance of a visible light communication system.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 5 is a method for optimizing performance of visible light communication, according to an embodiment of the present disclosure, including the following steps:
s501, obtaining a bias current value and a signal component value of the visible light communication system.
The bias current is direct current and is used for lighting power supply, and the signal component is alternating current component and is used for communication power supply.
In this embodiment, in the case of initial start of the visible light communication system, the bias current value and the signal component value may be initial values or start values of the visible light communication system, and in the operation process of the visible light communication system, the bias current value and the signal component value may also be current values of the operating visible light communication system.
S502, determining the temperature of the light-emitting device according to the bias current value and the signal component value.
Taking the LED system as an example, the temperature of the visible light system depends on the power of the LED and is directly determined by the driving current of the LED system. Wherein the drive current comprises an alternating current component and a direct current component.
Specifically, the temperature of the LED system can be expressed as follows:
Ths＝Ta+RhsPLEDKh (5)
equation (5) represents the temperature T of the heat sink of the LED systemhsFrom the ambient temperature TaCoefficient of heat sink RhsAnd power P of the LEDLEDAnd (4) jointly determining. Wherein, KhRepresents the power coefficient of the LED for conversion to heat (a simulated value of 0.85 is chosen in this example, i.e. the LED has 85% of its heat for heating).
Temperature T of LED devicejThermal resistance R from heat sink to LED devicejcAnd power P of the LEDLEDDetermining:
Tj＝Ths+RjcPLEDKh (6)
s503, with the temperature as a constraint condition, determining that the performance parameter of the visible light communication system meets the optimal bias current value under a preset condition.
Wherein the performance parameters include illumination flux and alternating current flux.
Optionally, the preset conditions may include: the illumination flux determined by the bias current value is not lost and the alternating current flux is maximum. It is understood that "maximum" is only an example, and may also be greater than a preset threshold, and the like, and is not limited herein.
Specifically, under the preset condition, the process of determining the optimal bias current value is as follows:
this is obtained by modifying formula (1):
since the preset conditions require that the illumination flux is not lost, i.e. the modulation of the signal cannot cause a change in the illumination flux, FDC＝E[F(I(t))]＝F0.FT(Tj(PLED)).FI(E(Ib)) (8)。
Power according to alternating current component:
s (t) is taken as the maximum value, the optimal bias current is
The values of the parameters in equation (11) are shown in table 1, for example:
TABLE 1
S504, adjusting the bias current value of the visible light communication system to be an optimal bias current value, and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux.
The optimization method of visible light communication performance shown in fig. 5 starts from the electrothermal mechanism of the LED. The lighting effect related to temperature and temperature is taken as a main research point, and the influence on the lighting and communication performance of the LED system is further expanded. Specifically, the temperature is used as the core index of the LED system, and the mutual relation among indexes such as bias current, signal components, a temperature coefficient of a radiator, ambient temperature and the like is mined, so that the communication performance of the system is maximized.
Fig. 6 is a schematic diagram illustrating another method for optimizing performance of visible light communication according to an embodiment of the present application, in which steps for reducing the temperature of the LDE system are further added as compared with the above embodiment. Fig. 6 includes the following steps:
s601, obtaining a bias current value and a signal component value of the visible light communication system.
S602, determining the temperature of the light-emitting device according to the bias current value and the signal component value.
And S603, determining that the performance parameter of the visible light communication system meets the optimal bias current value under the preset condition by taking the temperature as a constraint condition. The performance parameters include illumination flux and alternating current flux.
S604, adjusting the bias current value of the visible light communication system to be an optimal bias current value, and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux.
And S605, reducing the temperature of the visible light communication system.
Specifically, the specific step of reducing the temperature of the visible light communication system may be at least one of:
1. a heat dissipating component of the visible light communication system is activated.
The prior art can be referred to for the arrangement of the heat dissipation member and the specific result.
2. And replacing the heat dissipation part of the visible light communication system, wherein the heat dissipation coefficient of the heat dissipation part after replacement is higher than that of the heat dissipation part before replacement. The higher the heat dissipation coefficient, the better the heat dissipation effect.
It is understood that 2 and then 1 may be performed to achieve the optimal heat dissipation effect.
The process shown in fig. 6 can further reduce the temperature of the LED system, thereby further optimizing the communication performance of the LED system.
In the above embodiment, the specific process of acquiring the bias current value and the signal component value of the visible light communication system, as shown in fig. 7, specifically includes the following steps:
s701, determining a bias current value of the visible light communication system according to the illumination requirement configured for the visible light communication system in advance.
The specific bias current value is determined according to the illumination requirement, which is referred to in the prior art and is not described herein in detail.
S702, determining signal component values of the visible light communication system according to the bit error rate configured for the visible light communication system in advance.
Specifically, the signal-to-noise ratio of the LED system is:
The noise power is mainly determined by both shot noise and thermal noise, and is strongly correlated with the data rate, typically 3.5 × 10-15W/Hz1/2. The received signal power depends on the lambertian channel parameters in the room, including the illumination radiation angle θ of the LED and the distance d from the LED to the receiving end. Received power PrCan be calculated as:
wherein, KradThe ratio between the luminous flux and the radiated power is expressed in w/lm. FACIs an alternating current component. h (t) represents the gain of the optical channel, and the indoor transmission mostly approximates the light source to a lambertian model, and the lambertian gain can be calculated as:
where δ (t) represents a pulse function. The illumination radiation angle theta of the LED, the distance d from the LED to a receiving end, and the effective area of the receiving end is Ar; the radiation modulus of a lambertian light source can be calculated as:
the magnitude of the AC component for a given SNR can be determined by combining the above equations.
It is understood that the execution order of S701 and S702 is not limited.
Fig. 8 is a device for optimizing performance of visible light communication, according to an embodiment of the present application, including: the device comprises an acquisition module, a first determination module, a second determination module and an adjustment module.
The acquisition module is used for acquiring a bias current value and a signal component value of the visible light communication system. The first determining module is used for determining the temperature of the light-emitting device according to the bias current value and the signal component value. The second determining module is used for determining that the performance parameter of the visible light communication system meets the optimal bias current value under the preset condition by taking the temperature as a constraint condition. The performance parameters include illumination flux and alternating current flux. The adjusting module is configured to adjust the bias current value of the visible light communication system to the optimal bias current value, and/or adjust the signal component value of the visible light communication system to a value corresponding to the ac flux.
Optionally, the obtaining module is specifically configured to: determining a bias current value of the visible light communication system according to an illumination requirement configured for the visible light communication system in advance, and determining the signal component value of the visible light communication system according to an error rate configured for the visible light communication system in advance.
Optionally, the preset conditions include: the illumination flux determined by the bias current value is not lost, and the alternating current flux is maximum.
Optionally, the apparatus may further include: and the cooling module is used for reducing the temperature of the visible light communication system.
Optionally, the cooling module is specifically configured to: at least one of starting a heat dissipation component of the visible light communication system and replacing the heat dissipation component of the visible light communication system, wherein a heat dissipation coefficient of the heat dissipation component after replacement is higher than a heat dissipation coefficient of the heat dissipation component before replacement.
The apparatus shown in fig. 8 can optimize the performance of the visible light communication system with temperature constraints.
The embodiment of the application also discloses an optimization device for the performance of visible light communication, which comprises: a processor and a memory. The memory is used for storing a program, and the processor is used for executing the program, wherein the program executes the method for optimizing the performance of visible light communication according to the above embodiment.
The embodiment of the application also discloses a computer-readable storage medium, on which a program is stored, and when the program is run by a computing device, the method for optimizing the visible light communication performance according to the embodiment is executed.
The functions described in the method of the embodiment of the present application, if implemented in the form of software functional units and sold or used as independent products, may be stored in a storage medium readable by a computing device. Based on such understanding, part of the contribution to the prior art of the embodiments of the present application or part of the technical solution may be embodied in the form of a software product stored in a storage medium and including several instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for optimizing visible light communication performance, comprising:
acquiring a bias current value and a signal component value of a visible light communication system;
determining the temperature of the light emitting device according to the bias current value and the signal component value;
determining that the performance parameters of the visible light communication system meet the optimal bias current value under the preset condition by taking the temperature as a constraint condition; the performance parameters include illumination flux and alternating current flux;
and adjusting the bias current value of the visible light communication system to be the optimal bias current value, and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux.
2. The method of claim 1, wherein obtaining the bias current value of the visible light communication system comprises:
and determining the bias current value of the visible light communication system according to the illumination requirement configured for the visible light communication system in advance.
3. The method of claim 1, wherein obtaining the signal component value comprises:
determining the signal component values of the visible light communication system according to a bit error rate configured for the visible light communication system in advance.
4. The method according to claim 1, wherein the preset condition comprises:
the illumination flux determined by the bias current value is not lost, and the alternating current flux is maximum.
5. The method according to any one of claims 1 to 4, wherein after said adjusting said bias current value of said visible light communication system to said optimal bias current value and/or adjusting said signal component value of said visible light communication system to a value corresponding to said alternating current flux, further comprising:
reducing the temperature of the visible light communication system.
6. The method of claim 5, wherein reducing the temperature of the visible light communication system comprises:
activating a heat sink component of the visible light communication system.
7. The method of claim 5, wherein reducing the temperature of the visible light communication system comprises:
and replacing the heat dissipation part of the visible light communication system, wherein the heat dissipation coefficient of the heat dissipation part after replacement is higher than that of the heat dissipation part before replacement.
8. An apparatus for optimizing visible light communication performance, comprising:
the acquisition module is used for acquiring a bias current value and a signal component value of the visible light communication system;
a first determining module for determining the temperature of the light emitting device according to the bias current value and the signal component value;
the second determining module is used for determining that the performance parameter of the visible light communication system meets the optimal bias current value under the preset condition by taking the temperature as a constraint condition; the performance parameters include illumination flux and alternating current flux;
and the adjusting module is used for adjusting the bias current value of the visible light communication system to be the optimal bias current value and/or adjusting the signal component value of the visible light communication system to be a numerical value corresponding to the alternating current flux.
9. An apparatus for optimizing visible light communication performance, comprising: a processor and a memory;
the memory is used for storing a program, and the processor is used for executing the program, wherein the program executes the optimization method of the visible light communication performance according to any one of claims 1 to 7.
10. A computer-readable storage medium having a program stored thereon, wherein the program, when executed by a computing device, performs the method for optimizing visible light communication performance according to any one of claims 1 to 7.
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|---|---|---|---|---|
| CN113595757A (en) * | 2021-06-17 | 2021-11-02 | 深圳市联洲国际技术有限公司 | Working performance optimization method and device of communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098389A (en) * | 2011-07-07 | 2013-05-08 | 琉球海洋通信株式会社 | Visible light communication method and visible light communication system |
| CN206861482U (en) * | 2017-06-22 | 2018-01-09 | 义乌文烁光电科技有限公司 | A kind of visible light communication system with temperature control system |
| US20200136724A1 (en) * | 2018-10-31 | 2020-04-30 | University Of Central Florida Research Foundation, Inc. | Conformal visible light communication (vlc) receiver and method of use |
-
2021
- 2021-01-25 CN CN202110097573.0A patent/CN112887024B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098389A (en) * | 2011-07-07 | 2013-05-08 | 琉球海洋通信株式会社 | Visible light communication method and visible light communication system |
| CN206861482U (en) * | 2017-06-22 | 2018-01-09 | 义乌文烁光电科技有限公司 | A kind of visible light communication system with temperature control system |
| US20200136724A1 (en) * | 2018-10-31 | 2020-04-30 | University Of Central Florida Research Foundation, Inc. | Conformal visible light communication (vlc) receiver and method of use |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595757A (en) * | 2021-06-17 | 2021-11-02 | 深圳市联洲国际技术有限公司 | Working performance optimization method and device of communication system |
| CN113595757B (en) * | 2021-06-17 | 2024-06-07 | 深圳市联洲国际技术有限公司 | Method and device for optimizing working performance of communication system |
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