CN115796060A - Mini-LED layout method based on optical wireless communication - Google Patents
Mini-LED layout method based on optical wireless communication Download PDFInfo
- Publication number
- CN115796060A CN115796060A CN202310069699.6A CN202310069699A CN115796060A CN 115796060 A CN115796060 A CN 115796060A CN 202310069699 A CN202310069699 A CN 202310069699A CN 115796060 A CN115796060 A CN 115796060A
- Authority
- CN
- China
- Prior art keywords
- layout
- mini
- led
- range
- preset
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a mini-LED layout method based on optical wireless communication, which belongs to the technical field of communication planning. By the method, the light source components can be distributed according to an indoor planning model diagram, the illuminance of each indoor area is calculated, the phenomenon of uneven illuminance of light source distribution points in each indoor area is avoided, and the communication reliability of the mini-LED is pre-judged under the condition of meeting the requirement of even illuminance, so that the average error rate of the mini-LED optical communication facilities in each indoor area meets the preset average error rate, the positioning of the indoor communication facilities is facilitated, and the signal effectiveness of the user communication facilities in the indoor area is kept.
Description
Technical Field
The invention relates to the technical field of communication planning, in particular to a mini-LED layout method based on optical wireless communication.
Background
With the upgrading of lighting systems, the wide application of the LED light source provides favorable conditions for the research and application of the visible light communication technology in the field of indoor communication. The VLP technology utilizes an indoor widely existing LED light source as a positioning beacon, gives consideration to communication and illumination, has the advantages of simple system deployment, no electromagnetic interference, higher positioning precision and lower cost, shows good application prospect in the field of indoor positioning, and becomes a hotspot for research and application of related colleges and universities and enterprise institutions in recent years. Visible light communication is a novel communication technology, a mini-LED is one of LED visible communication facilities, information is modulated and transmitted mainly by using the rapid on-off response characteristic of the LED, and a receiving end receives optical signals through devices such as a photosensitive diode. With the development of VLC technology, the VLC communication rate of a single light source has reached the Gbit/s order, and becomes one of the important research technologies for 6G communication. From the perspective of indoor lighting, people usually want to obtain better illumination in all indoor places without shadow effect and little change of illumination in all indoor positions; from the perspective of indoor optical communication, people generally want to have no communication blind area indoors, that is, stability and reliability of communication at each position on an indoor receiving plane need to be guaranteed, and it is required that the average error rate on the receiving plane is as small as possible. At present, in the prior art, the layout of the mini-LED facilities cannot be rapidly carried out according to the indoor actual condition, only the layout is considered manually, and the layout efficiency is low; moreover, after the mini-LED facilities are arranged indoors, a series of problems still exist, such as insufficient illumination intensity, poor communication condition or a large amount of redundancy of arrangement points, and the like, so that the arrangement point of the mini-LED facilities is unreasonable.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a mini-LED layout method based on optical wireless communication.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a mini-LED layout method based on optical wireless communication, which comprises the following steps:
acquiring a space distribution planning drawing of a current region to be distributed, and constructing a planning model drawing according to the space distribution diagram;
constructing a retrieval model, obtaining a current actual layout area based on the planning model diagram and the retrieval model, and generating a primary layout area range according to the actual layout area;
acquiring the actual working range of the current mini-LED facility, and generating a secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility;
and acquiring a planning model diagram of the secondary layout area range, acquiring a final layout planning model diagram according to the planning model diagram, and transmitting the final layout planning model diagram to a remote layout terminal.
Further, in a preferred embodiment of the present invention, a search model is constructed, and a current actual layout area is obtained based on the planning model diagram and the search model, which specifically includes the following steps:
constructing a retrieval model based on a convolutional neural network, acquiring a large amount of scene model data information, dividing the scene model data information into a training set and a test set, and inputting the training set into the retrieval model;
performing parameter back propagation training through a cross entropy loss function until an error converges to a preset value, storing model parameters, and testing the retrieval model through the test set until the retrieval model meets preset requirements;
inputting the planning model diagram into the retrieval model for recognition so as to recognize a preset scene model and obtain a position node of the preset scene model;
and constructing a current actual layout area according to the position node of the preset scene model, and outputting the current actual layout area.
Further, in a preferred embodiment of the present invention, the generating the range of the initial layout area according to the actual layout area specifically includes the following steps:
acquiring scene model information of each current actual layout area within a preset range according to the planning model diagram, and acquiring outline dimension information of a mini-LED;
constructing a mini-LED appearance three-dimensional model diagram according to the appearance size information of the mini-LED, and inputting the mini-LED appearance three-dimensional model diagram into the scene model information of the current actual layout area within a preset range;
acquiring the interference position of scene model information of the mini-LED appearance three-dimensional model graph in the current actual layout area within a preset range;
and eliminating the interference position from the actual layout area to generate a primary layout area range.
Further, in a preferred embodiment of the present invention, the step of generating a secondary layout region range according to the primary layout region range and the working range of the current mini-LED facility specifically comprises the following steps:
inputting the primary layout area range and the actual working range of the current mini-LED facility into an ant algorithm for repeated construction to obtain one or more initial layout nodes of the mini-LED facility in the current primary layout area range;
acquiring an actual working range of the mini-LED facility of each initial layout node within a preset range, and judging whether an area lower than a preset illumination intensity value exists within the actual working range;
if the area which is lower than the preset illumination intensity value exists in the actual working range, acquiring the position of the area which is lower than the preset illumination intensity value in the actual working range;
and taking the region position as a layout position node to be supplemented, and generating a secondary layout region range according to the initial layout node of the mini-LED facility and the layout position node to be supplemented.
Further, in a preferred embodiment of the present invention, obtaining a planning model map of the secondary layout region range, and obtaining a final layout planning model map according to the planning model map includes the following steps:
acquiring an area value of each photoelectric detector detection area and a receiving end field angle, and calculating a channel direct current gain of each light source based on the area value of each photoelectric detector detection area and the receiving end field angle;
obtaining a system signal-to-noise ratio of each layout node in the secondary layout region range according to the channel direct-current gain of each light source, and calculating the communication reliability of each layout node in the secondary layout region range based on the system signal-to-noise ratio;
judging whether the communication reliability of each layout node in the secondary layout area range is greater than the preset communication reliability, and if the communication reliability of each layout node in the secondary layout area range is greater than the preset communication reliability, taking the layout node as a final layout node;
and if the communication reliability of each layout node in the secondary layout region range is not greater than the preset communication reliability, readjusting the position of the current layout node to generate a new layout node as a final layout node, and generating a final layout planning model diagram according to the final layout node.
Further, in a preferred embodiment of the present invention, the method for layout of mini-LEDs based on optical wireless communication further includes the following steps:
acquiring a facility type within a secondary layout area range, and judging whether the facility type is a preset facility type;
if the facility type is a preset facility type, acquiring a mini-LED facility layout node within the secondary layout area range;
acquiring a position node where the preset facility type is located, and calculating the illumination reflectivity of the current mini-LED facility according to the mini-LED facility layout node in the secondary layout area range and the position node where the preset facility type is located;
and if the illumination reflectivity is higher than the preset illumination reflectivity, readjusting the mini-LED facility layout node with the illumination reflectivity higher than the preset illumination reflectivity.
The invention provides a mini-LED layout system based on optical wireless communication, which is characterized in that the layout system comprises a memory and a processor, the memory comprises a mini-LED layout method program based on optical wireless communication, and when the processor executes the mini-LED layout method program based on optical wireless communication, the following steps are realized:
acquiring a space distribution planning drawing of a current region to be distributed, and constructing a planning model drawing according to the space distribution diagram;
constructing a retrieval model, obtaining a current actual layout area based on the planning model diagram and the retrieval model, and generating a primary layout area range according to the actual layout area;
acquiring the actual working range of the current mini-LED facility, and generating a secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility;
and acquiring a planning model diagram of the secondary layout area range, acquiring a final layout planning model diagram according to the planning model diagram, and transmitting the final layout planning model diagram to a remote layout terminal.
In this embodiment, constructing a search model, and obtaining a current actual layout area based on the planning model diagram and the search model specifically includes the following steps:
constructing a retrieval model based on a convolutional neural network, acquiring a large amount of scene model data information, dividing the scene model data information into a training set and a test set, and inputting the training set into the retrieval model;
performing parameter back propagation training through a cross entropy loss function until an error converges to a preset value, storing model parameters, and testing the retrieval model through the test set until the retrieval model meets preset requirements;
inputting the planning model diagram into the retrieval model for recognition so as to recognize a preset scene model, and acquiring a position node of the preset scene model;
and constructing a current actual layout area according to the position node of the preset scene model, and outputting the current actual layout area.
In this embodiment, generating a secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility specifically includes the following steps:
inputting the primary layout area range and the actual working range of the current mini-LED facility into an ant algorithm to be repeatedly constructed so as to obtain initial layout nodes of one or more mini-LED facilities in the current primary layout area range;
acquiring an actual working range of the mini-LED facility of each initial layout node within a preset range, and judging whether an area lower than a preset illumination intensity value exists within the actual working range;
if the area which is lower than the preset illumination intensity value exists in the actual working range, acquiring the position of the area which is lower than the preset illumination intensity value in the actual working range;
and taking the region position as a layout position node to be supplemented, and generating a secondary layout region range according to the initial layout node of the mini-LED facility and the layout position node to be supplemented.
The third aspect of the invention provides a computer-readable storage medium, which comprises a program of a mini-LED layout method based on optical wireless communication, and when the program of the mini-LED layout method based on optical wireless communication is executed by a processor, the method realizes the steps of any one of the mini-LED layout method based on optical wireless communication.
The invention solves the defects in the background art, and has the following beneficial effects:
by the method, the light source components can be distributed according to an indoor planning model diagram, the illuminance of each indoor area is calculated, the phenomenon that the illuminance of light source distribution points in each indoor area is uneven is avoided, and the communication reliability of the mini-LED is prejudged under the condition that the illuminance is even, so that the average error rate of the mini-LED optical communication facilities in each indoor area meets the preset average error rate, the positioning of the indoor communication facilities is facilitated, and the signal effectiveness of the user communication facilities in the indoor area is kept.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that drawings of other embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 shows a flow chart of a method of a mini-LED layout method based on optical wireless communication;
FIG. 2 shows a flow chart of a method of a mini-LED placement method based on optical wireless communication;
FIG. 3 shows another method flowchart of a mini-LED placement method based on optical wireless communication;
fig. 4 shows a system block diagram of a mini-LED layout system based on optical wireless communication.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1, a first aspect of the present invention provides a mini-LED layout method based on optical wireless communication, including the following steps:
s102, obtaining a space distribution planning drawing of a current region to be distributed, and constructing a planning model drawing according to a space distribution diagram;
s104, constructing a retrieval model, obtaining a current actual layout area based on the planning model diagram and the retrieval model, and generating a primary layout area range according to the actual layout area;
s106, acquiring the actual working range of the current mini-LED facility, and generating a secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility;
and S108, acquiring a planning model diagram of the secondary layout area range, obtaining a final layout planning model diagram according to the planning model diagram, and transmitting the final layout planning model diagram to a remote layout terminal.
It should be noted that, by the method, the light source components can be arranged according to an indoor planning model diagram, such as in public places like shopping malls and restaurants, the illuminance of each indoor area is calculated, the phenomenon of uneven illuminance of light source layout points in each indoor area is avoided, and the communication reliability of the mini-LED is pre-judged under the condition of meeting the requirement of even illuminance, so that the average error rate of the mini-LED optical communication facilities in each indoor area meets the preset average error rate, the positioning of the indoor communication facilities is facilitated, and the signal effectiveness of the user communication facilities in the indoor is maintained.
The planning model map can be established through three-dimensional modeling software or three-dimensional modeling technology, such as SolidWorks software, virtual reality technology and the like, wherein the planning model map is a three-dimensional model map of a region to be laid out, such as a building model, a VR virtual scene and the like.
As shown in fig. 2, to further improve the layout rationality of the mini-LED of the optical communication facility, in a preferred embodiment of the present invention, a search model is constructed, and a current actual layout area is obtained based on the planning model diagram and the search model, which specifically includes the following steps:
s202, constructing a retrieval model based on a convolutional neural network, acquiring a large amount of scene model data information, dividing the scene model data information into a training set and a test set, and inputting the training set into the retrieval model;
s204, performing parameter back propagation training through a cross entropy loss function until the error converges to a preset value, storing model parameters, and testing the retrieval model through a test set until the retrieval model meets the preset requirement;
s206, inputting the planning model diagram into a retrieval model for recognition so as to recognize a preset scene model and obtain a position node of the preset scene model;
and S208, constructing a current actual layout area according to the position node of the preset scene model, and outputting the current actual layout area.
It should be noted that, in this embodiment, the scene model data information includes scene types of main activity places such as stairs, fire fighting passageways, emergency passageways, toilets, and the like, and for the fire fighting passageways and the emergency passageways, since the fire fighting passageways and the emergency passageways are usually located in regions with relatively poor signals, by setting the optical communication facility mini-LED in such regions, it is beneficial for a user to send a distress instruction through communication equipment in an emergency situation, at this time, the scene model data information is identified by the method, so that rapid retrieval and screening of regions to be laid out are realized, and further, the layout efficiency of the mini-LED is improved.
In order to further improve the present invention, in a preferred embodiment of the present invention, the generating the range of the initial layout area according to the actual layout area specifically includes the following steps:
acquiring scene model information of each current actual layout area within a preset range according to the planning model diagram, and acquiring the outline dimension information of the mini-LED;
constructing a mini-LED appearance three-dimensional model graph according to the appearance size information of the mini-LED, and inputting the mini-LED appearance three-dimensional model graph into the scene model information of the current actual layout area within a preset range;
acquiring the interference position of scene model information of a mini-LED appearance three-dimensional model graph in a preset range in a current actual layout area;
and eliminating the interference position from the actual layout area to generate a range of the primary layout area.
In the actual layout process, the interference condition with other facilities needs to be considered, and the layout points of the mini-LED facility can be further screened by the method, so that the layout rationality of the mini-LED facility is further improved.
As shown in fig. 3, in order to improve the layout rationality of the mini-LED facility, further, in a preferred embodiment of the present invention, the method for generating the secondary layout area range according to the primary layout area range and the current working range of the mini-LED facility specifically includes the following steps:
s302, inputting the primary layout area range and the actual working range of the current mini-LED facility into an ant algorithm for repeated construction to obtain initial layout nodes of one or more mini-LED facilities in the current primary layout area range;
s304, acquiring an actual working range of the mini-LED facility of each initial layout node within a preset range, and judging whether an area lower than a preset illumination intensity value exists within the actual working range;
s306, if the area lower than the preset illumination intensity value exists in the actual working range, acquiring the area position lower than the preset illumination intensity value in the actual working range;
and S308, taking the region position as a layout position node to be supplemented, and generating a secondary layout region range according to the initial layout node and the layout position node to be supplemented of the mini-LED facility.
It should be noted that the ant algorithm is to repeatedly construct a feasible solution to the optimization problem by using a certain number of agents, some pheromones are left in the result of each construction, and the higher the quality of the feasible solution is, the higher the concentration of the accumulated pheromones is; the whole ant can be concentrated on the optimal path under the action of positive feedback, and the optimal solution of the problem to be optimized is correspondingly obtained. The ant colony algorithm has good robustness and parallelism, and the search performance for the optimal solution is good. Inputting the initial layout area range and the actual working range of the current mini-LED facility into an ant algorithm for repeated construction, and thus initially selecting layout nodes of the mini-LED facility. Wherein after the initial selection of the layout points, the mini-LED fixtures are shaded due to possible presence of other obstacles in the room. Therefore, the method can screen the mini-LED facilities shielded by other obstacles, so as to supplement the mini-LED facilities in the region, improve the reasonability of the layout of the mini-LED facilities and enable each layout point after the layout to meet the requirement of illumination intensity.
In order to further improve the layout rationality of the mini-LED facility, in a preferred embodiment of the present invention, a planning model map of a secondary layout area range is obtained, and a final layout planning model map is obtained according to the planning model map, which specifically includes the following steps:
acquiring an area value of each photoelectric detector detection area and a receiving end field angle, and calculating a channel direct current gain of each light source based on the area value of each photoelectric detector detection area and the receiving end field angle;
obtaining a system signal-to-noise ratio of each layout node in the current secondary layout area range according to the channel direct-current gain of each light source, and calculating the communication reliability of each layout node in the secondary layout area range based on the system signal-to-noise ratio;
judging whether the communication reliability of each layout node in the secondary layout area range is greater than the preset communication reliability, and if the communication reliability of each layout node in the secondary layout area range is greater than the preset communication reliability, taking the layout node as a final layout node;
and if the communication reliability of each layout node in the secondary layout region range is not greater than the preset communication reliability, readjusting the position of the current layout node to generate a new layout node as a final layout node, and generating a final layout planning model diagram according to the final layout node.
It should be noted that, in the present embodiment, since the channel dc gain of each light source is related to the receiving power on the receiving plane when the point light source of the mini-LED facility acts and the power of the light source, while the single LED light source can be regarded as a lambertian source, and obeys the lambertian radiation model, that is, the system signal-to-noise ratio (SNR) and the channel dc gain of each light source satisfy the following relations:
The communication reliability can be expressed as an average value of the system signal-to-noise ratio of the receiving plane, and the communication reliability, namely the mean value of the BER of the receiving plane, can be calculated through a mathematical calculation formula of the average value, wherein the mean value of the BER represents the communication reliability.
Estimating the communication reliability of the layout region through system preset system noise, and if the communication reliability of each layout node in the secondary layout region range is greater than the preset communication reliability, taking the layout node as a final layout node; if the communication reliability of each layout node in the secondary layout region range is not greater than the preset communication reliability, the position of the current layout node is readjusted to generate a new layout node as a final layout node, and a final layout planning model diagram is generated according to the final layout node, so that the layout of the mini-LED meets certain communication requirements.
Further, in a preferred embodiment of the present invention, a method for arranging mini-LEDs based on optical wireless communication further includes the following steps:
acquiring the facility type within the secondary layout area range, and judging whether the facility type is a preset facility type;
if the facility type is a preset facility type, acquiring mini-LED facility layout nodes within the secondary layout area range;
acquiring a position node where a preset facility type is located, and calculating the illumination reflectivity of the current mini-LED facility according to the mini-LED facility layout node in the secondary layout area range and the position node where the preset facility type is located;
and if the illumination reflectivity is higher than the preset illumination reflectivity, readjusting the mini-LED facility layout node with the illumination reflectivity higher than the preset illumination reflectivity.
It should be noted that the preset facility type may be a smooth wall with a certain light reflectivity, or a smooth facility with a light reflection function, and when the facility is arranged in such a scene, attention needs to be paid to the light reflection condition to avoid that the light reflection directly affects pedestrians; when such a facility is encountered, the mini-LED facility layout nodes are readjusted to reduce the impact on the user.
In addition, the method can also comprise the following steps:
acquiring user preference illumination intensity and illumination type of various scene types through a big data network, constructing an illumination intensity preference database, and inputting the user preference illumination intensity of various scene types into the illumination intensity preference database;
acquiring scene types in a current layout area, and inputting the scene types in the current layout area into the illumination intensity preference database to acquire preference degree sequences of the scene types in the current layout area;
sequencing according to the preference degree of each scene type in the current layout area to obtain the user preference illumination intensity and the illumination type with the preference degree larger than the preset preference degree, and obtaining the working parameters of the mini-LED in each current scene type; the working parameters comprise illumination intensity and illumination type;
judging whether the working parameters of the mini-LED are within the illumination intensity and the illumination type, if so, not adjusting the facility type of the mini-LED of the current layout node; and if the working parameters of the mini-LED are not within the illumination intensity and the illumination type, adjusting the mini-LED facility type of the current layout node.
In the embodiment, the mini-LED facility type can be adjusted according to the preference behavior of the user through the method, for example, in some chat and appointment places, the experience degree of the user is improved by creating a certain atmosphere, and therefore the layout effect is further improved.
In addition, the method can also comprise the following steps:
acquiring average time information of user stay in each scene type through big data, and constructing a user stay time preference model according to the average time information;
acquiring scene type information in a current layout area, and inputting the scene type information into the user stay time preference model to obtain the average stay time information of the users of each scene type in the current layout area;
judging whether the average time information of stay of the users of each scene type in the current layout area is lower than a preset average stay time or not, and if the average time information of stay of the users of each scene type in the current layout area is lower than the preset average stay time, replacing the mini-LED facility type;
and if the average time information of the stay of the users of each scene type in the current layout area is not less than the preset average stay time, acquiring the average time information of the stay of the users in the scene type, and determining the current mini-LED facility type according to the average time information of the stay of the users in the scene type.
It should be noted that, in this embodiment, if the user stays in the scene less in some fire-fighting passageways, the layout of the mini-LED with high communication rate in the scene wastes too much resources, and the layout of the mini-LED with low communication rate in the multi-person scene is not enough to support the user, so that the type of the mini-LED facility can be selected according to the average time of stay of the user in various scenes by the user through the method, and the layout of the mini-LED is more reasonable.
As shown in fig. 4, a second aspect of the present invention provides a mini-LED layout system based on optical wireless communication, where the layout system includes a memory 41 and a processor 62, the memory 41 includes a program for a mini-LED layout method based on optical wireless communication, and when the program for the mini-LED layout method based on optical wireless communication is executed by the processor 62, the following steps are implemented:
acquiring a space distribution planning drawing of a current region to be distributed, and constructing a planning model drawing according to the space distribution diagram;
constructing a retrieval model, obtaining a current actual layout area based on the planning model diagram and the retrieval model, and generating a primary layout area range according to the actual layout area;
acquiring the actual working range of the current mini-LED facility, and generating a secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility;
and acquiring a planning model diagram of the secondary layout area range, acquiring a final layout planning model diagram according to the planning model diagram, and transmitting the final layout planning model diagram to a remote layout terminal.
It should be noted that, by the method, the light source components can be arranged according to an indoor planning model diagram, and the illuminance of each indoor area is calculated, so that the phenomenon of uneven illuminance of light source arrangement points in each indoor area is avoided, and the communication reliability of the mini-LED is pre-judged under the condition of meeting the requirement of even illuminance, so that the average error rate of the mini-LED optical communication facilities in each indoor area meets the preset average error rate, the positioning of the indoor communication facilities is facilitated, and the signal effectiveness of the user communication facilities in the indoor area is maintained.
The planning model map can be established through three-dimensional modeling software or three-dimensional modeling technology, such as SolidWorks software, virtual reality technology and the like, wherein the planning model map is a three-dimensional model map of a region to be laid out, such as a building model, a VR virtual scene and the like.
In this embodiment, constructing a search model, and obtaining a current actual layout area based on the planning model diagram and the search model specifically includes the following steps:
constructing a retrieval model based on a convolutional neural network, acquiring a large amount of scene model data information, dividing the scene model data information into a training set and a test set, and inputting the training set into the retrieval model;
performing parameter back propagation training through a cross entropy loss function until the error converges to a preset value, storing model parameters, and testing the retrieval model through a test set until the retrieval model meets preset requirements;
inputting the planning model diagram into a retrieval model for recognition so as to recognize a preset scene model and obtain a position node of the preset scene model;
and constructing a current actual layout area according to the position node of the preset scene model, and outputting the current actual layout area.
It should be noted that, in this embodiment, the scene model data information includes scene types of main activity places such as stairs, fire fighting passageways, emergency passageways, toilets, and the like, and for the fire fighting passageways and the emergency passageways, since the fire fighting passageways and the emergency passageways are usually located in regions with relatively poor signals, by setting the optical communication facility mini-LED in such regions, it is beneficial for a user to send a distress instruction through communication equipment in an emergency situation, at this time, the scene model data information is identified by the method, so that rapid retrieval and screening of regions to be laid out are realized, and further, the layout efficiency of the mini-LED is improved.
In this embodiment, the generating the secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility specifically includes the following steps:
inputting the primary layout area range and the actual working range of the current mini-LED facility into an ant algorithm to be repeatedly constructed so as to obtain one or more initial layout nodes of the mini-LED facility in the current primary layout area range;
acquiring an actual working range of the mini-LED facility of each initial layout node within a preset range, and judging whether an area lower than a preset illumination intensity value exists within the actual working range or not;
if the area lower than the preset illumination intensity value exists in the actual working range, acquiring the position of the area lower than the preset illumination intensity value in the actual working range;
and taking the region position as a layout position node to be supplemented, and generating a secondary layout region range according to the initial layout node of the mini-LED facility and the layout position node to be supplemented.
It should be noted that the ant algorithm is a feasible solution to the optimization problem repeatedly constructed by using a certain number of agents, some pheromones are left in the result of each construction, and the higher the quality of the feasible solution is, the higher the concentration of the accumulated pheromones is; the whole ant can be concentrated on the optimal path under the action of positive feedback, and the optimal solution of the problem to be optimized is correspondingly obtained at the moment. The ant colony algorithm has good robustness and parallelism, and the search performance for the optimal solution is good. Inputting the initial layout area range and the actual working range of the current mini-LED facility into an ant algorithm for repeated construction, and thus initially selecting layout nodes of the mini-LED facility. Wherein after the initial selection of the layout points, the mini-LED fixtures are shaded due to possible presence of other obstacles in the room. Therefore, the method can screen out the mini-LED facilities shielded by other obstacles, so as to supplement the mini-LED facilities in the region, improve the rationality of the layout of the mini-LED facilities and enable each layout point after the layout to meet the requirement of illumination intensity.
Further, in a preferred embodiment of the present invention, the obtaining of the planning model map of the secondary layout area range and the obtaining of the final layout planning model map according to the planning model map specifically include the following steps:
acquiring an area value of each photoelectric detector detection area and a receiving end field angle, and calculating a channel direct current gain of each light source based on the area value of each photoelectric detector detection area and the receiving end field angle;
obtaining a system signal-to-noise ratio of each layout node in the current secondary layout area range according to the channel direct-current gain of each light source, and calculating the communication reliability of each layout node in the secondary layout area range based on the system signal-to-noise ratio;
judging whether the communication reliability of each layout node in the secondary layout area range is greater than the preset communication reliability, and if the communication reliability of each layout node in the secondary layout area range is greater than the preset communication reliability, taking the layout node as a final layout node;
and if the communication reliability of each layout node in the secondary layout region range is not greater than the preset communication reliability, readjusting the position of the current layout node to generate a new layout node as a final layout node, and generating a final layout planning model diagram according to the final layout node.
It should be noted that, in the present embodiment, since the channel dc gain of each light source is related to the received power on the receiving plane when the point light source of the mini-LED facility acts and the light source power, the single LED light source can be regarded as a lambertian source, and obeys the lambertian radiation model, i.e. the system signal-to-noise ratio (SNR) and the channel dc gain of each light source satisfy the following relations:
The communication reliability can be expressed as an average value of the system signal-to-noise ratio of the receiving plane, and the communication reliability, namely the mean value of the BER of the receiving plane, can be calculated through a mathematical calculation formula of the average value, wherein the mean value of the BER represents the communication reliability.
Estimating the communication reliability of the layout area through system preset system noise, and if the communication reliability of each layout node in the secondary layout area range is greater than the preset communication reliability, taking the layout node as a final layout node; if the communication reliability of each layout node in the secondary layout region range is not greater than the preset communication reliability, the position of the current layout node is readjusted to generate a new layout node as a final layout node, and a final layout planning model diagram is generated according to the final layout node, so that the layout of the mini-LED meets certain communication requirements.
The third aspect of the invention provides a computer readable storage medium, which comprises a program of the mini-LED layout method based on optical wireless communication, and when the program of the mini-LED layout method based on optical wireless communication is executed by a processor, the steps of the mini-LED layout method based on optical wireless communication are realized.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only one logical function division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or in other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps of implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer-readable storage medium, and when executed, executes the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention or portions thereof contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods of the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A mini-LED layout method based on optical wireless communication is characterized by comprising the following steps:
acquiring a space distribution planning drawing of a current region to be distributed, and constructing a planning model drawing according to the space distribution drawing;
constructing a retrieval model, obtaining a current actual layout area based on the planning model diagram and the retrieval model, and generating a primary layout area range according to the actual layout area;
acquiring the actual working range of the current mini-LED facility, and generating a secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility;
and acquiring a planning model diagram of the secondary layout area range, acquiring a final layout planning model diagram according to the planning model diagram, and transmitting the final layout planning model diagram to a remote layout terminal.
2. The method according to claim 1, wherein a search model is constructed, and a current actual layout area is obtained based on the planning model map and the search model, and the method specifically comprises the following steps:
constructing a retrieval model based on a convolutional neural network, acquiring a large amount of scene model data information, dividing the scene model data information into a training set and a test set, and inputting the training set into the retrieval model;
performing parameter back propagation training through a cross entropy loss function until an error converges to a preset value, storing model parameters, and testing the retrieval model through the test set until the retrieval model meets preset requirements;
inputting the planning model diagram into the retrieval model for recognition so as to recognize a preset scene model, and acquiring a position node of the preset scene model;
and constructing a current actual layout area according to the position node of the preset scene model, and outputting the current actual layout area.
3. The method for mini-LED layout based on optical wireless communication as claimed in claim 1, wherein a primary layout area range is generated according to the actual layout area, specifically comprising the following steps:
acquiring scene model information of each current actual layout area within a preset range according to the planning model diagram, and acquiring outline dimension information of a mini-LED;
constructing a mini-LED appearance three-dimensional model diagram according to the appearance size information of the mini-LED, and inputting the mini-LED appearance three-dimensional model diagram into the scene model information of the current actual layout area within a preset range;
acquiring the interference position of scene model information of the mini-LED appearance three-dimensional model graph in the current actual layout area within a preset range;
and eliminating the interference position from the actual layout area to generate a primary layout area range.
4. The method for mini-LED layout based on optical wireless communication according to claim 1, wherein a secondary layout area range is generated according to the primary layout area range and the working range of the current mini-LED facility, and the method specifically comprises the following steps:
inputting the primary layout area range and the actual working range of the current mini-LED facility into an ant algorithm for repeated construction to obtain one or more initial layout nodes of the mini-LED facility in the current primary layout area range;
acquiring an actual working range of the mini-LED facility of each initial layout node within a preset range, and judging whether an area lower than a preset illumination intensity value exists within the actual working range;
if the area which is lower than the preset illumination intensity value exists in the actual working range, acquiring the position of the area which is lower than the preset illumination intensity value in the actual working range;
and taking the region position as a layout position node to be supplemented, and generating a secondary layout region range according to the initial layout node of the mini-LED facility and the layout position node to be supplemented.
5. The method according to claim 1, wherein a planning model map of the secondary layout area range is obtained, and a final layout planning model map is obtained according to the planning model map, and the method specifically includes the following steps:
acquiring an area value of each photoelectric detector detection area and a receiving end field angle, and calculating a channel direct current gain of each light source based on the area value of each photoelectric detector detection area and the receiving end field angle;
obtaining a system signal-to-noise ratio of each layout node in the secondary layout region range according to the channel direct-current gain of each light source, and calculating the communication reliability of each layout node in the secondary layout region range based on the system signal-to-noise ratio;
judging whether the communication reliability of each layout node in the secondary layout region range is greater than the preset communication reliability, and if the communication reliability of each layout node in the secondary layout region range is greater than the preset communication reliability, taking the layout node as a final layout node;
if the communication reliability of each layout node in the secondary layout region range is not greater than the preset communication reliability, readjusting the position of the current layout node to generate a new layout node as a final layout node, and generating a final layout planning model diagram according to the final layout node.
6. The method for layout of mini-LEDs based on optical wireless communication as claimed in claim 1, further comprising the following steps:
acquiring a facility type within a secondary layout area range, and judging whether the facility type is a preset facility type;
if the facility type is a preset facility type, acquiring a mini-LED facility layout node within the secondary layout area range;
acquiring a position node where the preset facility type is located, and calculating the illumination reflectivity of the current mini-LED facility according to the mini-LED facility layout node in the secondary layout area range and the position node where the preset facility type is located;
and if the illumination reflectivity is higher than the preset illumination reflectivity, readjusting the mini-LED facility layout node with the illumination reflectivity higher than the preset illumination reflectivity.
7. An optical wireless communication-based mini-LED layout system, characterized in that the layout system comprises a memory and a processor, the memory contains a program of an optical wireless communication-based mini-LED layout method, and when the program of the optical wireless communication-based mini-LED layout method is executed by the processor, the following steps are realized:
acquiring a space distribution planning drawing of a current region to be distributed, and constructing a planning model drawing according to the space distribution diagram;
constructing a retrieval model, obtaining a current actual layout area based on the planning model diagram and the retrieval model, and generating a primary layout area range according to the actual layout area;
acquiring the actual working range of the current mini-LED facility, and generating a secondary layout area range according to the primary layout area range and the working range of the current mini-LED facility;
and acquiring a planning model diagram of the secondary layout region range, obtaining a final layout planning model diagram according to the planning model diagram, and transmitting the final layout planning model diagram to a remote layout terminal.
8. The system of claim 7, wherein a search model is constructed, and a current actual layout area is obtained based on the planning model map and the search model, and the system specifically comprises the following steps:
constructing a retrieval model based on a convolutional neural network, acquiring a large amount of scene model data information, dividing the scene model data information into a training set and a test set, and inputting the training set into the retrieval model;
performing parameter back propagation training through a cross entropy loss function until an error converges to a preset value, storing model parameters, and testing the retrieval model through the test set until the retrieval model meets preset requirements;
inputting the planning model diagram into the retrieval model for recognition so as to recognize a preset scene model and obtain a position node of the preset scene model;
and constructing a current actual layout area according to the position node of the preset scene model, and outputting the current actual layout area.
9. The system of claim 7, wherein a secondary layout area range is generated according to the primary layout area range and the working range of the current mini-LED facility, and comprises the following steps:
inputting the primary layout area range and the actual working range of the current mini-LED facility into an ant algorithm for repeated construction to obtain one or more initial layout nodes of the mini-LED facility in the current primary layout area range;
acquiring an actual working range of the mini-LED facility of each initial layout node within a preset range, and judging whether an area lower than a preset illumination intensity value exists within the actual working range;
if the area lower than the preset illumination intensity value exists in the actual working range, acquiring the area position lower than the preset illumination intensity value in the actual working range;
and taking the region position as a layout position node to be supplemented, and generating a secondary layout region range according to the initial layout node of the mini-LED facility and the layout position node to be supplemented.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a program of a mini-LED placement method based on optical wireless communication, which when executed by a processor implements the steps of the method of a mini-LED placement based on optical wireless communication according to any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069699.6A CN115796060B (en) | 2023-02-07 | 2023-02-07 | Mini-LED layout method based on optical wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069699.6A CN115796060B (en) | 2023-02-07 | 2023-02-07 | Mini-LED layout method based on optical wireless communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115796060A true CN115796060A (en) | 2023-03-14 |
| CN115796060B CN115796060B (en) | 2023-05-02 |
Family
ID=85430088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310069699.6A Active CN115796060B (en) | 2023-02-07 | 2023-02-07 | Mini-LED layout method based on optical wireless communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115796060B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116306028A (en) * | 2023-05-16 | 2023-06-23 | 深圳市森邦照明有限公司 | Lighting equipment installation method, system and medium based on virtual reality |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004252530A (en) * | 2003-02-18 | 2004-09-09 | Miyaji Denki Kk | Automatic illumination design method, illumination effect browsing method, automatic illumination design system and server for automatic illumination design |
| CN104166763A (en) * | 2014-08-15 | 2014-11-26 | 上海交通大学 | Indoor LED lamp array arrangement method integrating lighting and communication reliability |
| CN111641454A (en) * | 2020-06-08 | 2020-09-08 | 西安电子科技大学 | Indoor visible light communication system light source optimization method based on bat algorithm |
| CN113282999A (en) * | 2021-06-25 | 2021-08-20 | 广东都市建筑规划设计有限公司 | Automatic modification generation method and device for electrical lighting drawing and computer equipment |
| US20210358202A1 (en) * | 2020-05-13 | 2021-11-18 | Electronic Caregiver, Inc. | Room Labeling Drawing Interface for Activity Tracking and Detection |
| CN114786311A (en) * | 2022-05-26 | 2022-07-22 | 中国建筑第二工程局有限公司 | BIM-based visual basement light source arrangement method |
-
2023
- 2023-02-07 CN CN202310069699.6A patent/CN115796060B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004252530A (en) * | 2003-02-18 | 2004-09-09 | Miyaji Denki Kk | Automatic illumination design method, illumination effect browsing method, automatic illumination design system and server for automatic illumination design |
| CN104166763A (en) * | 2014-08-15 | 2014-11-26 | 上海交通大学 | Indoor LED lamp array arrangement method integrating lighting and communication reliability |
| US20210358202A1 (en) * | 2020-05-13 | 2021-11-18 | Electronic Caregiver, Inc. | Room Labeling Drawing Interface for Activity Tracking and Detection |
| CN111641454A (en) * | 2020-06-08 | 2020-09-08 | 西安电子科技大学 | Indoor visible light communication system light source optimization method based on bat algorithm |
| CN113282999A (en) * | 2021-06-25 | 2021-08-20 | 广东都市建筑规划设计有限公司 | Automatic modification generation method and device for electrical lighting drawing and computer equipment |
| CN114786311A (en) * | 2022-05-26 | 2022-07-22 | 中国建筑第二工程局有限公司 | BIM-based visual basement light source arrangement method |
Non-Patent Citations (3)
| Title |
|---|
| 赵黎 等: "基于白光发光二极管的室内可见光通信光源布局优化", 光学学报 * |
| 陆星羽等: "民机客舱内阅读灯光环境舒适性设计方案研究" * |
| 陈述;凌六一;黄家伟;邱壮飞;: "室内可见光通信LED光源布局及优化" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116306028A (en) * | 2023-05-16 | 2023-06-23 | 深圳市森邦照明有限公司 | Lighting equipment installation method, system and medium based on virtual reality |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115796060B (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109743741B (en) | Wireless router deployment method and device, storage medium and electronic equipment | |
| Zhuang et al. | A survey of positioning systems using visible LED lights | |
| CN115796060A (en) | Mini-LED layout method based on optical wireless communication | |
| US20170076016A1 (en) | Automated layout generation | |
| CN113396558A (en) | Time-varying distribution of RF-based presence detection and/or location and message reception | |
| Sharma et al. | Optimal LED deployment for mobile indoor visible light communication system: Performance analysis | |
| US11272424B2 (en) | Mesh network based on a predictive path model | |
| Gu et al. | Multipath reflections analysis on indoor visible light positioning system | |
| Priyadharsini et al. | An experimental investigation on communication interference and mitigation during disaster using lifi technology | |
| CN112748399B (en) | Visible light three-dimensional positioning system and method based on multi-PD receiver | |
| Fernández et al. | Indoor location system based on zigbee devices and metric description graphs | |
| CN115797129B (en) | Emergency information release system and reachability policy optimization method thereof | |
| Miramirkhani | A path loss model for link budget analysis of indoor visible light communications | |
| CN111354066B (en) | Rendering method and device | |
| CN209642685U (en) | A kind of content update system | |
| Brown et al. | Levels of ambient noise in Hong Kong | |
| Krzysztofik | Radio network planning and propagation models for urban and indoor wireless communication networks | |
| Zhou et al. | Application of optical wireless communications for the 5G enforced smart grids | |
| CN104581954A (en) | Channel scheduling method and wireless communication equipment | |
| CN110753310B (en) | Unmanned aerial vehicle position optimization method and device for multi-user emergency communication network | |
| Li | Research on compression sensing positioning algorithm of indoor complex environment visible light indoor based on hybrid APIT | |
| Andrade et al. | Data-based cluster-tree formation scheme for large-scale wireless sensor networks | |
| CN110572209A (en) | Indoor visible light communication LED optimal layout method and system | |
| CN112834985A (en) | Visible light positioning method and system based on reverse learning self-adaptive flower pollination | |
| Fan et al. | Energy efficient illumination optimization for indoor visible light communication |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |