CN112152715B - Communication control method, communication control device, storage medium, and electronic apparatus - Google Patents
Communication control method, communication control device, storage medium, and electronic apparatus Download PDFInfo
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- CN112152715B CN112152715B CN201910579538.5A CN201910579538A CN112152715B CN 112152715 B CN112152715 B CN 112152715B CN 201910579538 A CN201910579538 A CN 201910579538A CN 112152715 B CN112152715 B CN 112152715B
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
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Abstract
The application provides a communication control method, a communication control device, a storage medium and electronic equipment, wherein the method comprises the steps of obtaining characteristic parameters of ambient light; determining target configuration parameters matched with the characteristic parameters; and transmitting the data to be transmitted to the second equipment by adopting the target configuration parameters. Through the method and the device, the interference caused by ambient light can be weakened as much as possible in the communication process, the LiFi communication effect is improved, and the anti-interference capability of LiFi communication is effectively improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a communication control method and apparatus, a storage medium, and an electronic device.
Background
The Light Fidelity (LiFi) technology is a Light internet access technology, and Light emitted by an LED lighting lamp is used as a transmission tool of a network signal to transmit data, so as to realize illumination internet access. LiFi has the characteristics of low radiation, low energy consumption, low carbon and environmental protection, and gradually becomes a research hotspot in the field of the Internet.
In the related art, since data transmission is performed by using light as a network signal, interference from ambient light may occur during communication, and a good LiFi communication effect cannot be obtained.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, an object of the present application is to provide a communication control method, apparatus, storage medium, and electronic device, which can weaken interference caused by ambient light as much as possible during communication, improve the LiFi communication effect, and effectively improve the anti-interference capability of LiFi communication.
In order to achieve the above object, a communication control method provided in an embodiment of a first aspect of the present application is applied to a first device, where the first device and a second device perform data communication based on LiFi, and the method includes: acquiring characteristic parameters of ambient light; determining target configuration parameters matched with the characteristic parameters; and transmitting the data to be transmitted to the second equipment by adopting the target configuration parameters.
According to the communication control method provided by the embodiment of the first aspect of the application, the characteristic parameters of the ambient light are obtained, the target configuration parameters matched with the characteristic parameters are determined, and the target configuration parameters are adopted to transmit the data to be transmitted to the second equipment, so that the interference caused by the ambient light can be weakened as much as possible in the communication process, the LiFi communication effect is improved, and the anti-interference capability of LiFi communication is effectively improved.
In order to achieve the above object, a communication control apparatus provided in an embodiment of a second aspect of the present application is a communication control apparatus for a first device, where the first device and a second device perform data communication based on LiFi, and the communication control apparatus includes: the acquisition module is used for acquiring characteristic parameters of ambient light; the determining module is used for determining target configuration parameters matched with the characteristic parameters; and the transmission module is used for transmitting the data to be transmitted to the second equipment by adopting the target configuration parameters.
The communication control device that this application second aspect embodiment provided, through the characteristic parameter who obtains ambient light to confirm with the target configuration parameter of characteristic parameter looks adaptation, and adopt the target configuration parameter will wait to transmit data transmission to the second equipment in, can weaken the interference that ambient light caused as far as possible in the communication process, promote the liFi communication effect, effectively promote the interference killing feature of liFi communication.
To achieve the above object, an embodiment of a third aspect of the present application provides a computer-readable storage medium, where when executed by a processor of a first electronic device, an instruction of the storage medium enables the first electronic device to perform a communication control method, where the method includes: the embodiment of the first aspect of the present application provides a communication control method.
According to the computer-readable storage medium provided by the embodiment of the third aspect of the application, by acquiring the characteristic parameters of the ambient light, determining the target configuration parameters matched with the characteristic parameters, and transmitting the data to be transmitted to the second device by adopting the target configuration parameters, the interference caused by the ambient light can be weakened as much as possible in the communication process, the LiFi communication effect is improved, and the anti-interference capability of LiFi communication is effectively improved.
In order to achieve the above object, a fourth aspect of the present invention provides an electronic device, which includes a housing, a processor, a memory, a circuit board, and a power circuit, wherein the circuit board is disposed inside a space enclosed by the housing, and the processor and the memory are disposed on the circuit board; the power supply circuit is used for supplying power to each circuit or device of the electronic equipment; the memory is used for storing executable program codes; the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, for performing: acquiring characteristic parameters of ambient light; determining target configuration parameters matched with the characteristic parameters; and transmitting the data to be transmitted to the second equipment by adopting the target configuration parameters.
The embodiment of the fourth aspect of the application provides an electronic device, and by obtaining the characteristic parameters of ambient light, determining the target configuration parameters matched with the characteristic parameters, and transmitting the data to be transmitted to a second device by using the target configuration parameters, the interference caused by the ambient light can be weakened as much as possible in the communication process, the LiFi communication effect is improved, and the anti-interference capability of the LiFi communication is effectively improved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart illustrating a communication control method according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a communication control method according to another embodiment of the present application;
fig. 3 is a schematic structural diagram of a communication control apparatus according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Fig. 1 is a flowchart illustrating a communication control method according to an embodiment of the present application.
The embodiment of the application is applied to first equipment, and first equipment and second equipment carry out data communication based on LiFi, and first equipment and second equipment can be smart mobile phone, panel computer, wearable equipment etc..
The device currently needing to transmit data may be referred to as a first device, and the device currently waiting to receive data may be referred to as a second device.
As an example, the first device in the present embodiment may include:
referring to fig. 1, the method includes:
s101: and acquiring characteristic parameters of the ambient light.
The ambient light is a natural light in the current environment of the first device.
The characteristic parameters are used to describe some characteristics of the ambient light, and the characteristic parameters of the ambient light are, for example, light brightness, illuminance, spectral frequency band, and the like, which are not limited thereto.
In the specific execution process, an environment light characteristic analysis module and a light collection module can be arranged in the first device, the environment light is collected by the light collection module, an environment light signal is converted into a corresponding electric signal, the corresponding electric signal is transmitted to the environment light characteristic analysis module, parameters such as luminance brightness, illuminance, spectral frequency band and the like are obtained through analysis, then the characteristic parameters are transmitted to the central processing unit, and the step of determining target configuration parameters matched with the characteristic parameters is triggered.
S102: and determining target configuration parameters matched with the characteristic parameters.
The configuration parameters adapted to the characteristic parameters may be referred to as target configuration parameters.
And under the characteristic parameters of the current ambient light, the communication quality of LiFi communication under the adaptive target configuration parameters is optimal.
The configuration parameters may include, for example, a coding mode, a modulation mode, and communication spectrum parameters, where the coding mode is used to perform corresponding coding on the band transmission data to obtain coded data, the modulation mode is used to modulate the coded data onto a corresponding optical signal, and the communication spectrum parameters are used to describe parameters such as a frequency spectrum and a frequency band of the optical signal. The encoding method refers to a method of converting a file in a certain video format into a file in another video format by using a specific compression technique, and the encoding method is, for example, h.261, h.263, etc. of the international union.
The modulation method refers to a process of loading a signal to be transmitted to a high-frequency signal, and the modulation method includes, for example, amplitude modulation, frequency modulation, phase modulation, and the like.
In this embodiment of the application, the target configuration parameters may include combinations of the various encoding modes, modulation modes, and communication spectrum parameters, and the same characteristic parameters may be adapted to the same target configuration parameters, or may also be adapted to different target configuration parameters.
Optionally, referring to fig. 2, determining the target configuration parameter adapted to the feature parameter includes:
s201: and determining the current environment type according to the characteristic parameters.
The current environment type is pre-calibrated, and the current environment type is, for example, outdoor, indoor, sunny, cloudy, on light, dark, and the like, which is not limited thereto.
In the specific execution process, the value range of the characteristic parameter of the ambient light under each environment type can be learned, and the environment type and the value range of the characteristic parameter are correspondingly associated. When the current environment type is determined according to the characteristic parameter, the embodiment of the present application may use, as the current environment type, an environment type corresponding to the value range to which the actual value of the characteristic parameter belongs according to the value range to which the actual value of the characteristic parameter belongs, without limitation.
The current environment type is determined according to the characteristic parameters, the target configuration parameters matched with the current environment type are subsequently determined, the characteristic parameters of the environment light under various environments are analyzed in advance, the various environments are divided and the corresponding environment types are calibrated, a convenient communication control method is provided, the values of the characteristic parameters of various types are quantized, the environment types are calibrated, the determined current environment type is accurate, and the communication control effect is improved.
S202: and determining target configuration parameters adapted to the current environment type.
In the specific execution process, the target configuration parameters matched with the current environment type can be determined from the preset relation table; the preset relation table learns the corresponding relation between various environment types and the adaptive configuration parameters in advance, so that the determining efficiency of the target configuration parameters can be effectively improved, and the application flexibility of the communication control method is improved.
The preset relationship table can be seen from table 1, where table 1 shows a plurality of environment types and configuration parameters adapted to the environment types.
TABLE 1
Optionally, the preset relationship table is set in advance by using a plurality of sample environment types and configuration parameters adapted to each sample environment type, and the adapted configuration parameters are determined in the following manner: and performing data communication based on LiFi by using the candidate configuration parameters under each sample environment type, determining communication quality scores, and determining the candidate configuration parameter to which the communication quality score with the highest score value belongs as an adaptive configuration parameter from a plurality of communication quality scores corresponding to each sample environment type.
In the process of establishing the preset relationship table, in the embodiment of the present application, for each sample environment type, multiple candidate configuration parameters may be adopted, the communication quality scores of the current sample environment type based on the various candidate configuration parameters are tested, and then, the candidate configuration parameter with the highest score is determined from the multiple communication quality scores and is used as the adaptive configuration parameter, which is not limited herein.
The preset relation table learns the corresponding relation between various environment types and the adaptive configuration parameters in advance, and is established in advance based on a plurality of sample environment types and the candidate configuration parameters with the highest communication quality scores, so that the adaptive target configuration parameters determined by the preset relation table can achieve a better communication effect.
S103: and transmitting the data to be transmitted to the second equipment by adopting the target configuration parameters.
The target configuration parameters comprise: the target coding mode, the target modulation mode and the target communication spectrum parameter are adopted, and when the target configuration parameter is adopted to transmit the data to be transmitted to the second equipment, the data to be transmitted can be correspondingly processed by adopting the target coding mode and the target modulation mode to obtain coded data; the encoded data is transmitted to the second device using the target communications spectral parameter.
As an example, a LiFi transmission module and a light emitting module may be configured in a first device, corresponding processing is performed on data to be transmitted by using a target encoding mode and a target modulation mode through the LiFi transmission module to obtain encoded data, and the encoded data is transmitted to a second device by using a target communication spectrum parameter through the light emitting module.
The LiFi transmission module supports a LiFi transmission protocol, the bottom layer of the Li-Fi protocol is compatible with a WiFi802.11 baseband, one-to-many or many-to-one simultaneous transmission can be realized by utilizing a TDD protocol in WiFi when data is transmitted, and the Li-Fi technology has extremely high safety when the data is transmitted, because visible light can only be transmitted along a straight line, only people on the light transmission straight line can capture information. Due to the low time delay of the LiFi, the method can be applied to scenes needing rapid data transmission, such as rapid file sharing, business card contact mode exchange, video watching together and the like, and correspondingly processes data to be transmitted by adopting a target coding mode and a target modulation mode to obtain coded data; and the target communication spectrum parameters are adopted to transmit the coded data to the second equipment, so that the interference of ambient light is avoided as much as possible, and the anti-interference performance of LiFi communication is improved.
In this embodiment, by obtaining the characteristic parameters of the ambient light, determining the target configuration parameters adapted to the characteristic parameters, and transmitting the data to be transmitted to the second device by using the target configuration parameters, the interference caused by the ambient light can be weakened as much as possible in the communication process, the LiFi communication effect is improved, and the anti-interference capability of the LiFi communication is effectively improved.
Fig. 3 is a schematic structural diagram of a communication control apparatus according to an embodiment of the present application.
The communication control device is provided in the first device, and the first device and the second device perform data communication based on LiFi.
Referring to fig. 3, the communication control apparatus 300 includes:
an obtaining module 301, configured to obtain characteristic parameters of ambient light;
a determining module 302, configured to determine a target configuration parameter adapted to the feature parameter;
the transmission module 303 is configured to transmit the data to be transmitted to the second device by using the target configuration parameter.
Optionally, in some embodiments, the determining module 302 is specifically configured to:
and determining the current environment type according to the characteristic parameters, and determining target configuration parameters matched with the current environment type.
Optionally, in some embodiments, the determining module 302 is further configured to:
determining a target configuration parameter matched with the current environment type from a preset relation table; the preset relation table learns the corresponding relation between various environment types and the adaptive configuration parameters in advance.
Optionally, in some embodiments, the preset relationship table is set by using a plurality of sample environment types and configuration parameters adapted to each sample environment type in advance, and the adapted configuration parameters are determined by using the following method:
and performing data communication based on LiFi by using the candidate configuration parameters under each sample environment type, determining communication quality scores, and determining the candidate configuration parameters to which the communication quality scores with the highest score values belong as adaptive configuration parameters from a plurality of communication quality scores corresponding to each sample environment type.
Optionally, in some embodiments, the target configuration parameters include: target coding mode, target modulation mode and target communication spectrum parameter, transmission device specifically is used for:
and correspondingly processing the data to be transmitted by adopting a target coding mode and a target modulation mode to obtain coded data, and transmitting the coded data to the second equipment by adopting target communication spectrum parameters.
It should be noted that the explanation of the embodiment of the communication control method in the foregoing fig. 1-2 is also applicable to the communication control apparatus 300 of this embodiment, and the implementation principle is similar, and is not repeated here.
In this embodiment, by obtaining the characteristic parameters of the ambient light, determining the target configuration parameters adapted to the characteristic parameters, and transmitting the data to be transmitted to the second device by using the target configuration parameters, the interference caused by the ambient light can be weakened as much as possible in the communication process, the LiFi communication effect is improved, and the anti-interference capability of the LiFi communication is effectively improved.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Referring to fig. 4, the electronic apparatus 40 of the present embodiment includes: the device comprises a shell 401, a processor 402, a memory 403, a circuit board 404 and a power circuit 405, wherein the circuit board 404 is arranged in a space surrounded by the shell 401, and the processor 402 and the memory 403 are arranged on the circuit board 404; a power supply circuit 405 for supplying power to each circuit or device of the electronic apparatus 40; the memory 403 is used for storing executable program code; wherein, the processor 402 runs a program corresponding to the executable program code by reading the executable program code stored in the memory 403, for executing:
acquiring characteristic parameters of ambient light;
determining target configuration parameters matched with the characteristic parameters;
and transmitting the data to be transmitted to the second equipment by adopting the target configuration parameters.
It should be noted that the explanation of the embodiment of the communication control method in the foregoing fig. 1-fig. 2 is also applicable to the electronic device 40 of this embodiment, and the implementation principle is similar, and is not described herein again.
In this embodiment, by obtaining the characteristic parameters of the ambient light, determining the target configuration parameters adapted to the characteristic parameters, and transmitting the data to be transmitted to the second device by using the target configuration parameters, the interference caused by the ambient light can be weakened as much as possible in the communication process, the LiFi communication effect is improved, and the anti-interference capability of the LiFi communication is effectively improved.
In order to implement the above embodiments, the present application proposes a computer-readable storage medium on which a computer program is stored, which when executed by a processor implements the communication control method of the foregoing method embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following technologies, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware that is related to instructions of a program, and the program may be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (6)
1. A communication control method applied to a first device, the first device and a second device performing data communication based on LiFi, the method comprising:
acquiring characteristic parameters of ambient light;
determining the current environment type according to the characteristic parameters;
determining a target configuration parameter adapted to the current environment type from a preset relationship table, wherein the preset relationship table learns the corresponding relationship between various environment types and the adapted configuration parameter in advance, and the target configuration parameter includes: a target coding mode, a target modulation mode and a target communication spectrum parameter;
performing corresponding processing on data to be transmitted by adopting the target coding mode and the target modulation mode to obtain coded data;
transmitting the encoded data into the second device using the target communication spectral parameters.
2. The communication control method according to claim 1, wherein the predetermined relationship table is preset by using a plurality of sample environment types and configuration parameters adapted to each of the sample environment types, and the adapted configuration parameters are determined by:
and performing data communication based on LiFi according to the candidate configuration parameters under each sample environment type, determining communication quality scores, and determining the candidate configuration parameter to which the communication quality score with the highest score value belongs as the adaptive configuration parameter from a plurality of communication quality scores corresponding to each sample environment type.
3. A communication control apparatus provided in a first device, the first device and a second device performing data communication based on LiFi, the apparatus comprising:
the acquisition module is used for acquiring characteristic parameters of ambient light;
a determining module, configured to determine a current environment type according to the feature parameters, and determine target configuration parameters adapted to the current environment type from a preset relationship table, where the preset relationship table learns in advance correspondence between various environment types and adapted configuration parameters, and the target configuration parameters include: a target coding mode, a target modulation mode and a target communication spectrum parameter;
the transmission module is used for correspondingly processing data to be transmitted by adopting the target coding mode and the target modulation mode to obtain coded data; and
transmitting the encoded data into the second device using the target communication spectral parameters.
4. The communication control apparatus according to claim 3, wherein the preset relation table is set in advance by using a plurality of sample environment types and configuration parameters adapted to each of the sample environment types, and the adapted configuration parameters are determined by:
and performing data communication based on LiFi according to the candidate configuration parameters under each sample environment type, determining communication quality scores, and determining the candidate configuration parameter to which the communication quality score with the highest score value belongs as the adaptive configuration parameter from a plurality of communication quality scores corresponding to each sample environment type.
5. A computer-readable storage medium on which a computer program is stored, the program, when being executed by a processor, implementing the communication control method according to any one of claims 1-2.
6. An electronic device based on LiFi communication comprises a shell, a processor, a memory, a circuit board and a power circuit, wherein the circuit board is arranged inside a space enclosed by the shell, and the processor and the memory are arranged on the circuit board; the power supply circuit is used for supplying power to each circuit or device of the electronic equipment; the memory is used for storing executable program codes; the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, for performing:
acquiring characteristic parameters of ambient light;
determining the current environment type according to the characteristic parameters;
determining a target configuration parameter adapted to the current environment type from a preset relationship table, wherein the preset relationship table learns the corresponding relationship between various environment types and the adapted configuration parameter in advance, and the target configuration parameter includes: a target coding mode, a target modulation mode and a target communication spectrum parameter;
performing corresponding processing on data to be transmitted by adopting the target coding mode and the target modulation mode to obtain coded data;
and transmitting the coded data to a second device by adopting the target communication spectral parameters, wherein the electronic device and the second device perform data communication based on LiFi.
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| JP5031427B2 (en) * | 2007-03-30 | 2012-09-19 | 三星電子株式会社 | Visible light transmitter, visible light receiver, visible light communication system, and visible light communication method |
| EP2858269B1 (en) * | 2012-05-24 | 2018-02-28 | Panasonic Intellectual Property Corporation of America | Information communication method |
| CN103490812B (en) * | 2013-09-16 | 2016-01-20 | 北京航空航天大学 | Based on mobile phone near field communication system and the method for visible ray |
| US20150280820A1 (en) * | 2014-03-25 | 2015-10-01 | Osram Sylvania Inc. | Techniques for adaptive light modulation in light-based communication |
| US10009100B2 (en) * | 2014-06-18 | 2018-06-26 | Qualcomm Incorporated | Transmission of identifiers using visible light communication |
| US10045427B2 (en) * | 2014-09-29 | 2018-08-07 | Philips Lighting Holding B.V. | System and method of autonomous restore point creation and restoration for luminaire controllers |
| CN204795041U (en) * | 2015-06-29 | 2015-11-18 | 深圳大学 | Visible light communication system based on novel modulation mode |
| CN107852240B (en) * | 2016-01-18 | 2019-12-17 | 华为技术有限公司 | data sending method based on visible light communication and sending end equipment |
| CN105955585A (en) * | 2016-05-31 | 2016-09-21 | 维沃移动通信有限公司 | Display method for mobile terminal and mobile terminal |
| CN106358154A (en) * | 2016-09-07 | 2017-01-25 | 中国人民解放军国防科学技术大学 | Modular extensible indoor-outdoor seamless positioning method |
| CN106712848A (en) * | 2016-11-30 | 2017-05-24 | 武汉邮电科学研究院 | Visible light communication method |
| CN107342812B (en) * | 2017-07-06 | 2019-09-13 | 吉林大学 | Human eye can not perceive VLC device and method |
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