Optical communication system, method, device, medium and product

Abstract

The invention discloses an optical communication system, method and device, a medium and a product. The optical communication system comprises a plurality of mobile terminals and a plurality of LED array lamp ends, and the LED array lamp ends comprise at least one LED array lamp end with a light source perpendicular to the ground and at least one LED array lamp end with a clamping pin between the light source and the ground smaller than a set angle. The mobile terminal comprises a signal transmitting lamp bead, a signal receiving lamp bead, a detector module and a first baseband processing module, and the LED array lamp end comprises an LED receiving lamp bead, an LED transmitting lamp bead, a detector array module, a first photoelectric conversion module and a second baseband processing module. And the communication effect is improved.

Description

Technical Field

[0001] Embodiments of the present invention relate to the field of communication technology, and in particular, to an optical communication system, method, device, medium and product. Background Art

[0002] Visible light communication (VLC) is a wireless optical communication technology that uses high-speed light signals that are invisible to the naked eye to transmit information. Visible light communication has the advantages of fast transmission rate and large capacity of ordinary wireless communication, and is also a green and environmentally friendly wireless communication technology that does not cause radiation damage to the human body. Visible light communication technology can be applied in many fields that are not suitable for electromagnetic radiation (such as hospitals, airplanes, mines, tunnels, etc.), so it has a broad market space in the future.

[0003] Currently, visible light can only achieve real-time communication within a narrow communication viewing angle. Therefore, there is an urgent need for an optical communication method that can extend the optical communication range. Summary of the invention

[0004] Embodiments of the present invention provide an optical communication system, method, device, medium and product, which can improve the optical communication range and thus improve the communication effect.

[0005] According to one aspect of the present invention, an optical communication system is provided, the optical communication system comprising: a plurality of mobile terminals and a plurality of LED array lamp ends, the plurality of LED array lamp ends comprising: at least one LED array lamp end with a light source perpendicular to the ground and at least one LED array lamp end with a foot between the light source and the ground less than a set angle, the mobile terminal comprising: a signal transmitting lamp bead, a signal receiving lamp bead, a detector module and a first baseband processing module, the LED array lamp end comprising: an LED receiving lamp bead, an LED transmitting lamp bead, a detector array module, a first photoelectric conversion module and a second baseband processing module;

[0006] The signal transmitting lamp bead is used to transmit a first infrared light signal, wherein the first infrared light signal includes: a generated infrared light signal, or an infrared light signal obtained by converting a received electrical signal;

[0007] The LED receiving lamp bead is used to receive the first infrared light signal emitted by the signal emitting lamp bead, and send the first infrared light signal to the detector array module;

[0008] The detector array module is connected to the LED receiving lamp bead, and the detector array module is used to receive multiple first infrared light signals, convert the multiple first infrared light signals into multiple first electrical signals, and send the multiple first electrical signals to the second baseband processing module;

[0009] The second baseband processing module is connected to the detector array module, and is used to receive the multiple first electrical signals sent by the detector array module, combine and process the multiple first electrical signals to obtain a second electrical signal, and send the second electrical signal to the first photoelectric conversion module;

[0010] The first photoelectric conversion module is connected to the second baseband processing module, and the first photoelectric conversion module is used to receive the second electrical signal, convert the second electrical signal into a visible light signal corresponding to the service type of the second electrical signal, and send the visible light signal corresponding to the service type of the second electrical signal to the LED emission lamp bead, wherein the visible light signal corresponding to the service type of the second electrical signal includes: a first red light signal or a first green light signal;

[0011] The LED transmitting lamp bead is connected to the first photoelectric conversion module, and the LED transmitting lamp bead is used to receive a visible light signal corresponding to the business type of the second electrical signal, and transmit a visible light signal corresponding to the business type of the second electrical signal.

[0012] According to another aspect of the present invention, there is provided an optical communication method, the optical communication method comprising:

[0013] Receiving a first infrared light signal emitted by a source mobile terminal, converting the first infrared light signal into a plurality of first electrical signals, wherein the first infrared light signal includes: a generated infrared light signal, or an infrared light signal obtained by converting a received electrical signal;

[0014] Combining the multiple first electrical signals to obtain a second electrical signal;

[0015] Converting the second electrical signal into a visible light signal corresponding to the service type of the second electrical signal;

[0016] A visible light signal corresponding to the service type of the second electrical signal is transmitted so that the destination mobile terminal receives the visible light signal corresponding to the service type of the second electrical signal.

[0017] According to another aspect of the present invention, an electronic device is provided, the electronic device comprising:

[0018] at least one processor; and

[0019] a memory communicatively connected to the at least one processor; wherein,

[0020] The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the optical communication method described in any embodiment of the present invention.

[0021] According to another aspect of the present invention, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the optical communication method described in any embodiment of the present invention when executed.

[0022] According to another aspect of the present invention, a computer program product is provided. When the computer program is executed by a processor, the computer program implements the optical communication method as described in any one of the embodiments of the present invention.

[0023] The optical communication system provided in the embodiment of the present invention includes: multiple mobile terminals and multiple LED array lamp ends, the multiple LED array lamp ends include: at least one LED array lamp end in which the light source is perpendicular to the ground and at least one LED array lamp end in which the clamping angle between the light source and the ground is less than a set angle, the mobile terminal includes: signal transmitting lamp beads, signal receiving lamp beads, a detector module and a first baseband processing module, the LED array lamp end includes: LED receiving lamp beads, LED transmitting lamp beads, a detector array module, a first photoelectric conversion module and a second baseband processing module. The mobile terminal transmits a first infrared light signal through a signal transmitting lamp bead, and the LED array lamp end receives the first infrared light signal emitted by the signal transmitting lamp bead through an LED receiving lamp bead, and sends the first infrared light signal to the detector array module, the detector array module receives multiple first infrared light signals, converts the multiple first infrared light signals into multiple first electrical signals, and sends the multiple first electrical signals to the second baseband processing module, the second baseband processing module receives the multiple first electrical signals sent by the detector array module, merges and processes the multiple first electrical signals to obtain a second electrical signal, and sends the second electrical signal to the first photoelectric conversion module, the first photoelectric conversion module receives the second electrical signal, converts the second electrical signal into a visible light signal corresponding to the business type of the second electrical signal, and sends the visible light signal corresponding to the business type of the second electrical signal to the LED transmitting lamp bead; the LED transmitting lamp bead receives the visible light signal corresponding to the business type of the second electrical signal, and transmits the visible light signal corresponding to the business type of the second electrical signal. It can improve the optical communication range, thereby improving the communication effect.

[0024] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 is a schematic structural diagram of a first optical communication system in an embodiment of the present invention;

[0027] Figure 2 is a schematic structural diagram of a second optical communication system in an embodiment of the present invention;

[0028] Figure 3 is a schematic structural diagram of a third optical communication system in an embodiment of the present invention;

[0029] Figure 4 is a schematic structural diagram of an LED array lamp end in an embodiment of the present invention;

[0030] Figure 5 is a flow chart of an optical communication method in an embodiment of the present invention;

[0031] Figure 6 It is a structural schematic diagram of an electronic device in an embodiment of the present invention. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0034] It is understandable that before using the technical solutions disclosed in the embodiments of the present disclosure, the types, scope of use, usage scenarios, etc. of the personal information involved in the present disclosure should be informed to the user and the user's authorization should be obtained in an appropriate manner in accordance with relevant laws and regulations.

[0035] Embodiment 1

[0036] Figure 1 A schematic diagram of the structure of a first optical communication system provided by an embodiment of the present invention is shown in FIG. Figure 1 As shown, the optical communication system includes: a plurality of mobile terminals 110 and a plurality of LED array lamp ends 120, the plurality of LED array lamp ends 120 include: at least one LED array lamp end with a light source perpendicular to the ground and at least one LED array lamp end with a foot between the light source and the ground less than a set angle, the mobile terminal 110 includes: a signal receiving lamp bead 111, a detector module 112, a first baseband processing module 113 and a signal transmitting lamp bead 114, the LED array lamp end 120 includes: an LED receiving lamp bead 121, a detector array module 122, a second baseband processing module 123, a first photoelectric conversion module 124, and an LED transmitting lamp bead 125;

[0037] The signal transmitting lamp bead is used to transmit a first infrared light signal, wherein the first infrared light signal includes: a generated infrared light signal, or an infrared light signal obtained by converting a received electrical signal;

[0038] The LED receiving lamp bead is used to receive the first infrared light signal emitted by the signal emitting lamp bead, and send the first infrared light signal to the detector array module;

[0039] The detector array module is connected to the LED receiving lamp bead, and the detector array module is used to receive multiple first infrared light signals, convert the multiple first infrared light signals into multiple first electrical signals, and send the multiple first electrical signals to the second baseband processing module;

[0040] The second baseband processing module is connected to the detector array module, and is used to receive the multiple first electrical signals sent by the detector array module, combine and process the multiple first electrical signals to obtain a second electrical signal, and send the second electrical signal to the first photoelectric conversion module;

[0041] The first photoelectric conversion module is connected to the second baseband processing module, and the first photoelectric conversion module is used to receive the second electrical signal, convert the second electrical signal into a visible light signal corresponding to the service type of the second electrical signal, and send the visible light signal corresponding to the service type of the second electrical signal to the LED emission lamp bead, wherein the visible light signal corresponding to the service type of the second electrical signal includes: a first red light signal or a first green light signal;

[0042] The LED transmitting lamp bead is connected to the first photoelectric conversion module, receives a visible light signal corresponding to the business type of the second electrical signal, and transmits a visible light signal corresponding to the business type of the second electrical signal.

[0043] In this embodiment, the LED emitting lamp bead achieves the following performance indicators through current modulation technology: modulated photocurrent: 3A; modulation system: switch modulation OOK; modulation depth: 30%; modulation voltage range: 1.5V-5V; modulation bandwidth: not less than 10MHz; modulation information input interface: single-ended / differential LV-PECL; modulation current interface: single-ended current (1V@50 ohms).

[0044] In this embodiment, the lamp beads have two basic properties, namely illumination and transmitted light power. Illumination refers to the light intensity per unit area, which characterizes the brightness of the LED lamp; while the transmitted light power characterizes the total energy radiated by the LED lamp. Specific lamp beads have fixed illumination and transmitted light power indicators. Without changing the illumination and transmitted light power of the LED lamp, the coverage area can be expanded and the communication range can be improved by changing the installation method of the LED or its own structure according to the required space. Different installation angles correspond to different coverage areas. The inclination angle of the mounting structure needs to be designed according to the selected illumination and transmitted light power of the LED lamp.

[0045] In this embodiment, since the plurality of LED array lamp ends include at least one LED array lamp end whose light source is perpendicular to the ground and at least one LED array lamp end whose foot between the light source and the ground is smaller than a set angle, the purpose of expanding the communication range can be achieved. Figure 2 As shown in the figure, 5 LEDs are deployed at the same position, and the LED structure at the center position is installed so that its light source is perpendicular to the ground. The surrounding 4 LED structures are installed at an angle to change the radiation angle of their light sources. The tilted installation of the structure will cause the distance from its light source to the destination terminal to be farther than the distance from the center position LED light source to the destination terminal. To this end, the purpose of enhancing power can be achieved by reducing the radiation angle of the surrounding 4 lenses. Without changing the transmission power of the center position LED, the communication range can be improved by using system structure design or installation, and the problem of uneven signal strength reaching the destination terminal can also be improved.

[0046] In this embodiment, the LED array lamp end can include 9 five-color LEDs, all of which can be used for lighting, and the overall lighting tone and intensity can be adjusted. The two-color LED (red light and green light) lamp beads are LED transmitting lamp beads, which serve as light sources for data transmission and transmit broadcast signals and business signals respectively; the one-color LED (infrared light) lamp beads are LED receiving lamp beads, which are used to receive infrared light signals emitted by mobile terminals; the remaining two-color LED lamp beads are used for auxiliary lighting.

[0047] In this embodiment, a five-primary-color LED lamp bead is constructed based on a vertical silicon-based LED chip. In a vertical LED chip, the carrier transmission distance between n-GaN and p-GaN is about 4 microns, which is much smaller than the transmission distance of more than 100 microns on the same side of the sapphire LED chip, and the response speed is high; the vertical electrode LED has good current expansion, good heat dissipation performance of the silicon substrate, and is a thin-film chip with single-sided light emission, Lambertian light spot, easy light matching, 800V-ESD full test, and high reliability. The LED chip size can be 680um×680um.

[0048] In addition, the tensile stress of GaN grown on silicon can partially relieve the compressive stress of quantum well InGaN, reduce the polarization effect of quantum well, and the quantum well grown on GaN under tensile stress can easily form a three-dimensional V-type PN junction, which effectively improves the internal quantum efficiency of LED. Silicon material has good thermal and electrical conductivity, which can greatly improve the power density of a single LED. Therefore, the LED in the embodiment of the present invention adopts a small and medium-power GaN-based LED with MOCVD epitaxial aluminum-doped zinc oxide (AZO) transparent conductive film electrode. The above LED can significantly improve the linearity of the output power-voltage curve and is suitable for high data transmission rate; the medium-power LED with a periodic micro-through hole structure can significantly improve the light output power and -3dB bandwidth by improving current diffusion.

[0049] In this embodiment, the detector array module adopts chip-level integrated array (COB) packaging technology. First of all, from the perspective of packaging technology and module design, the response speed of LED packaging and light source module is improved. Chip on Board (COB) is a new packaging method that is different from SMD surface mount packaging technology. Specifically, the bare chip is adhered to the PCB with conductive or non-conductive glue, and then wire bonding is performed to achieve its electrical connection, and the chip and bonding wires are encapsulated with glue. This packaging method does not mean that packaging is not required, but it integrates upstream and downstream enterprises. The production from packaging to LED display unit module or display screen is completed in one factory, integrating and simplifying the production process of packaging enterprises and display screen manufacturers. The production process is easier to organize and control, and the product's dot pitch can be smaller, the reliability is doubled, and the cost is lower.

[0050] Chip-on-board packaging is used for high-speed visible light communication, which has obvious advantages; it avoids the influence of parasitic resistance and parasitic capacitance introduced by the interface between the packaging bracket and the light source substrate in the device on board (DOB) with integrated LED driver on the response speed; COB has a small size and fewer connecting lines, which reduces parasitic resistance. In addition, the series-parallel scheme between chips will also affect the RC of the system under load, thereby affecting the modulation bandwidth of the system. The balance design between the output power of the light source and the modulation bandwidth in the COB module is an important content in the embodiments of the present invention. In view of the packaging process of the module and the influence of parasitic resistance and parasitic capacitance in the integrated package, the following work is carried out:

[0051] a) Implementing solutions such as series-parallel connection between chips and common anode design for circuit integration. This work will affect the RC of the system under load, thereby affecting the modulation bandwidth;

[0052] b) Optimize the parasitic parameters generated by the silver paste (silver-doped epoxy), wire bonding and potting materials, which will also affect the modulation bandwidth;

[0053] c) Optimize the material and structure of COB bracket;

[0054] d) When the LED works under high-frequency modulation state, the encapsulation material, bracket structure and encapsulation-bracket interface treatment that affect the airtightness of the device are realized, thereby improving the application reliability of the device under high-frequency modulation.

[0055] In this embodiment, the mobile terminal receives optical signals sent by multiple LED array lamp ends and sends optical signals to multiple LED array lamp ends during movement, so as to realize optical communication between the mobile terminal and multiple LED array lamp ends.

[0056] In this embodiment, the mobile terminal may be a user handheld terminal.

[0057] Optionally, the mobile terminal further includes: a second photoelectric conversion module;

[0058] The signal receiving lamp bead is used to receive a visible light signal corresponding to the service type of the second electrical signal;

[0059] The detector module is connected to the signal receiving lamp bead, and the detector module is used to convert the visible light signal corresponding to the service type of the second electrical signal into a third electrical signal, and send the third electrical signal to the first baseband processing module;

[0060] The first baseband processing module is connected to the detector module, and the first baseband processing module is used to receive the third electrical signal sent by the detector module, and send the third electrical signal to the second photoelectric conversion module;

[0061] The second photoelectric conversion module is connected to the first baseband processing module, and the second photoelectric conversion module is used to convert the third electrical signal into the first infrared light signal.

[0062] In a specific example, Figure 2 As shown, the optical communication system includes: a mobile terminal A1, a mobile terminal A2, an LED array lamp end B1 and an LED array lamp end B2, the mobile terminal A1 generates a first infrared light signal, and transmits the first infrared light signal through a signal transmitting lamp bead, the LED array lamp end B1 receives multiple first infrared light signals through an LED receiving lamp bead, converts the multiple first infrared light signals into multiple first electrical signals, and sends the multiple first electrical signals to the second baseband processing module, the LED array lamp end B1 receives the multiple first electrical signals sent by the detector array module through the second baseband processing module, merges the multiple first electrical signals to obtain a second electrical signal, and sends the second electrical signal to the first photoelectric conversion module, the LED array lamp end B1 receives the second electrical signal through the first photoelectric conversion module, converts the second electrical signal into a visible light signal corresponding to the business type of the second electrical signal, and sends the visible light signal corresponding to the business type of the second electrical signal to the LED transmitting lamp bead, the LED array lamp end B1 receives the visible light signal corresponding to the business type of the second electrical signal through the LED transmitting lamp bead, and transmits the visible light signal corresponding to the business type of the second electrical signal. The mobile terminal A2 receives the visible light signal corresponding to the business type of the second electrical signal through the signal receiving lamp bead, and sends the visible light signal corresponding to the business type of the second electrical signal to the detector module. The mobile terminal A2 receives the visible light signal corresponding to the business type of the second electrical signal through the detector module, converts the visible light signal corresponding to the business type of the second electrical signal into a third electrical signal, and sends the third electrical signal to the first baseband processing module. The mobile terminal A2 receives the third electrical signal sent by the detector module through the first baseband processing module, and sends the third electrical signal to the second photoelectric conversion module. The mobile terminal A2 receives the third electrical signal through the second photoelectric conversion module, and converts the third electrical signal into the first infrared light signal. The LED array lamp end B2 receives multiple first infrared light signals through the LED receiving lamp bead, converts the multiple first infrared light signals into multiple first electrical signals, and sends the multiple first electrical signals to the second baseband processing module. The LED array lamp end B2 receives the multiple first electrical signals sent by the detector array module through the second baseband processing module, merges the multiple first electrical signals, and obtains the second electrical signal.

[0063] Optionally, the optical communication system further includes: a target terminal;

[0064] The plurality of LED array lamp ends and the target terminal are connected by wire;

[0065] The second baseband processing module is further configured to: after receiving the second electrical signal sent by the detector array module, send the second electrical signal to the target terminal through a network port.

[0066] In this embodiment, the target terminal may be a computer.

[0067] In this embodiment, if Figure 3 As shown, the optical communication system includes: a mobile terminal A1, a mobile terminal A2, an LED array lamp end B1, an LED array lamp end B2 and a target terminal, and the LED array lamp end B2 and the target terminal are connected by wire. It should be noted that the LED array lamp end B2 receives multiple first infrared light signals through LED receiving lamp beads, converts the multiple first infrared light signals into multiple first electrical signals, and sends the multiple first electrical signals to the second baseband processing module. The LED array lamp end B2 receives the multiple first electrical signals sent by the detector array module through the second baseband processing module, merges the multiple first electrical signals, and after obtaining the second electrical signal, the LED array lamp end B2 sends the second electrical signal to the target terminal through the network port.

[0068] Optionally, the second baseband processing module is further used to: receive a fourth electrical signal sent by the target terminal through a network port, and send the fourth electrical signal to the first photoelectric conversion module;

[0069] The first photoelectric conversion module is further used to receive the fourth electrical signal sent by the second baseband processing module, convert the fourth electrical signal into a visible light signal corresponding to the service type of the fourth electrical signal, and send the visible light signal corresponding to the service type of the fourth electrical signal to the LED transmitting lamp bead;

[0070] The LED transmitting lamp bead is also used to receive a visible light signal corresponding to the business type of the fourth electrical signal, and transmit a visible light signal corresponding to the business type of the fourth electrical signal;

[0071] The signal receiving lamp bead is also used to receive a visible light signal corresponding to the business type of the fourth electrical signal, and send the visible light signal corresponding to the business type of the fourth electrical signal to the detector module;

[0072] The detector module is further used to convert the visible light signal corresponding to the service type of the fourth electrical signal into a fifth electrical signal, and send the fifth electrical signal to the first baseband processing module;

[0073] The first baseband processing module is further configured to receive the fifth electrical signal.

[0074] In this embodiment, the target terminal can also send data to each mobile terminal through the LED array lamp end.

[0075] In a specific example, Figure 3 As shown, the target terminal sends a fourth electrical signal to the LED array lamp end B2 through the network port, and the LED array lamp end B2 receives the fourth electrical signal sent by the target terminal through the second baseband processing module, and sends the fourth electrical signal to the first photoelectric conversion module; the LED array lamp end B2 receives the fourth electrical signal sent by the second baseband processing module through the first photoelectric conversion module, converts the fourth electrical signal into a visible light signal corresponding to the service type of the fourth electrical signal, and sends the visible light signal corresponding to the service type of the fourth electrical signal to the LED transmitting lamp bead, and the LED array lamp end B2 receives the visible light signal corresponding to the service type of the fourth electrical signal through the LED transmitting lamp bead, and transmits the visible light signal corresponding to the service type of the fourth electrical signal. So that the mobile terminal A2 receives the visible light signal corresponding to the service type of the fourth electrical signal through the signal receiving lamp bead, and sends the visible light signal corresponding to the service type of the fourth electrical signal to the detector module; the mobile terminal A2 converts the visible light signal corresponding to the service type of the fourth electrical signal into a fifth electrical signal through the detector module, and sends the fifth electrical signal to the first baseband processing module; the mobile terminal A2 receives the fifth electrical signal through the first baseband processing module. By analogy, it can also be sent to the LED array lamp terminal B1, and then sent to the mobile terminal A1 by the LED array lamp terminal B1.

[0076] In this embodiment, if Figure 4As shown, the LED array lamp end includes: distributed lamp beads (LED receiving lamp beads and LED transmitting lamp beads), detector array module, second baseband processing module and first photoelectric conversion module, the second baseband processing module includes: FPGA and ARM, ARM is connected to the management server through the Ethernet port externally, and communicates data with FPGA internally through its own FSMC control interface. The second baseband processing module also includes instruction drive, external interface, system power supply and other parts. In a scenario where the LED array lamp receives an infrared light signal sent by a mobile terminal: the LED receiving lamp bead receives the first infrared light signal, and sends the first infrared light signal to the detector array module; the detector array module receives multiple first infrared light signals, converts the multiple first infrared light signals into multiple first electrical signals, and sends the multiple first electrical signals to the second baseband processing module; the second baseband processing module receives the multiple first electrical signals sent by the detector array module; the FPGA and ARM in the second baseband processing module merge and process the multiple first electrical signals to obtain a second electrical signal, and send the second electrical signal to the first photoelectric conversion module; the first photoelectric conversion module receives the second electrical signal, converts the second electrical signal into a visible light signal corresponding to the business type of the second electrical signal, and sends the visible light signal corresponding to the business type of the second electrical signal to the LED transmitting lamp bead; the LED transmitting lamp bead receives the visible light signal corresponding to the business type of the second electrical signal, and transmits the visible light signal corresponding to the business type of the second electrical signal. In the scenario where the LED array lamp end receives instructions sent by the management server through the Ethernet interface: ARM receives the control instructions sent by the management server through the Ethernet port, FPGA receives the control instructions forwarded by ARM and converts them into the driving signal (fourth electrical signal) required by the first photoelectric conversion module, and forwards the fourth electrical signal to the first photoelectric conversion module, the first photoelectric conversion module converts the fourth electrical signal into a visible light signal, and sends the visible light signal corresponding to the business type of the fourth electrical signal to the distributed lamp beads, so that the LED transmitting lamp beads receive the visible light signal corresponding to the business type of the fourth electrical signal, and emit the visible light signal corresponding to the business type of the fourth electrical signal.

[0077] The optical communication system provided in the embodiment of the present invention includes: multiple mobile terminals and multiple LED array lamp ends, the multiple LED array lamp ends include: at least one LED array lamp end in which the light source is perpendicular to the ground and at least one LED array lamp end in which the clamping angle between the light source and the ground is less than a set angle, the mobile terminal includes: signal transmitting lamp beads, signal receiving lamp beads, a detector module and a first baseband processing module, the LED array lamp end includes: LED receiving lamp beads, LED transmitting lamp beads, a detector array module, a first photoelectric conversion module and a second baseband processing module. The mobile terminal transmits a first infrared light signal through a signal transmitting lamp bead, and the LED array lamp end receives the first infrared light signal emitted by the signal transmitting lamp bead through an LED receiving lamp bead, and sends the first infrared light signal to the detector array module, the detector array module receives multiple first infrared light signals, converts the multiple first infrared light signals into multiple first electrical signals, and sends the multiple first electrical signals to the second baseband processing module, the second baseband processing module receives the multiple first electrical signals sent by the detector array module, merges and processes the multiple first electrical signals to obtain a second electrical signal, and sends the second electrical signal to the first photoelectric conversion module, the first photoelectric conversion module receives the second electrical signal, converts the second electrical signal into a visible light signal corresponding to the business type of the second electrical signal, and sends the visible light signal corresponding to the business type of the second electrical signal to the LED transmitting lamp bead; the LED transmitting lamp bead receives the visible light signal corresponding to the business type of the second electrical signal, and transmits the visible light signal corresponding to the business type of the second electrical signal. It can improve the optical communication range, thereby improving the communication effect.

[0078] Embodiment 2

[0079] Figure 5 This is a flow chart of an optical communication method provided by an embodiment of the present invention. This embodiment is applicable to the case of optical communication. The method can be executed by an optical communication device in an embodiment of the present invention. The device can be implemented in software and / or hardware. Figure 5 As shown, the method specifically comprises the following steps:

[0080] S510, receiving a first infrared light signal transmitted by a source mobile terminal, and converting the first infrared light signal into a plurality of first electrical signals.

[0081] In this embodiment, the first infrared light signal includes: a generated infrared light signal, or an infrared light signal obtained by converting a received electrical signal.

[0082] It should be noted that the first infrared light signal emitted by the mobile terminal may be an infrared light signal autonomously generated by the mobile terminal, or may be an infrared light signal obtained by converting a received electrical signal by the mobile terminal.

[0083] In this embodiment, the received electrical signal may be an electrical signal obtained by converting a visible light signal.

[0084] In this embodiment, the LED array lamp end can receive multiple first infrared light signals through the detector array module, convert the multiple first infrared light signals into multiple first electrical signals, and send the multiple first electrical signals to the second baseband processing module.

[0085] S520: Combine the multiple first electrical signals to obtain a second electrical signal.

[0086] In this embodiment, the LED array lamp end can receive multiple first electrical signals sent by the detector array module through the second baseband processing module, merge the multiple first electrical signals to obtain a second electrical signal, and send the second electrical signal to the first photoelectric conversion module.

[0087] S530: Convert the second electrical signal into a visible light signal corresponding to a service type of the second electrical signal.

[0088] In this embodiment, the visible light signal corresponding to the service type of the second electrical signal includes: a first red light signal or a first green light signal.

[0089] In this embodiment, the LED array lamp end can receive the second electrical signal through the first photoelectric conversion module, convert the second electrical signal into a visible light signal corresponding to the business type of the second electrical signal, and send the visible light signal corresponding to the business type of the second electrical signal to the LED emitting lamp bead.

[0090] S540: Transmit a visible light signal corresponding to the service type of the second electrical signal, so that the destination mobile terminal receives the visible light signal corresponding to the service type of the second electrical signal.

[0091] In this embodiment, the LED array lamp end can receive the visible light signal corresponding to the business type of the second electrical signal through the LED transmitting lamp bead, and transmit the visible light signal corresponding to the business type of the second electrical signal.

[0092] In this embodiment, after the LED array lamp end transmits the visible light signal corresponding to the service type of the second electrical signal, all mobile terminals within the coverage range of the LED array lamp end receive the visible light signal corresponding to the service type of the second electrical signal. After each mobile terminal receives the visible light signal corresponding to the service type of the second electrical signal, the respective baseband processing modules obtain the source address and destination address carried by the visible light signal. If the destination address carried by the visible light signal is the address of the current mobile terminal, the current mobile terminal is determined to be the destination mobile terminal, and the visible light signal corresponding to the service type of the second electrical signal is received, and the visible light signal is parsed. If the destination address carried by the visible light signal is not the address of the current mobile terminal, the visible light signal corresponding to the service type of the second electrical signal is ignored.

[0093] Optionally, after combining the multiple first electrical signals to obtain the second electrical signal, the method further includes:

[0094] The second electrical signal is sent to the target terminal through the network port.

[0095] In this embodiment, the target terminal may be a server, for example, the target terminal may be a management server.

[0096] It should be noted that after the LED array lamp end receives the first infrared light signal, the first infrared light signal is converted into multiple first electrical signals, the multiple first electrical signals are merged and processed to obtain a second electrical signal, and the second electrical signal is sent to the target terminal through the network port.

[0097] Optionally, also include:

[0098] receiving, through the network port, a fourth electrical signal sent by the target terminal, and converting the fourth electrical signal into a visible light signal corresponding to a service type of the fourth electrical signal;

[0099] The visible light signal corresponding to the service type of the fourth electrical signal is transmitted, so that the destination mobile terminal receives the visible light signal corresponding to the service type of the fourth electrical signal, and converts the visible light signal corresponding to the service type of the fourth electrical signal into a fifth electrical signal.

[0100] It should be noted that the LED array lamp end can also receive control instructions sent by the target terminal through the network port, that is, the fourth electrical signal. After receiving the fourth electrical signal, the LED array lamp end can receive the fourth electrical signal through the first photoelectric conversion module, convert the fourth electrical signal into a visible light signal corresponding to the business type of the fourth electrical signal, and send the visible light signal corresponding to the business type of the fourth electrical signal to the LED transmitting lamp bead. The visible light signal corresponding to the business type of the fourth electrical signal is transmitted through the LED transmitting lamp bead, and the target mobile terminal receives the visible light signal corresponding to the business type of the fourth electrical signal through the signal receiving lamp bead, and sends the visible light signal corresponding to the business type of the fourth electrical signal to the detector module, and converts the visible light signal corresponding to the business type of the fourth electrical signal into a fifth electrical signal through the detector module, and sends the fifth electrical signal to the first baseband processing module; the fifth electrical signal is received through the first baseband processing module.

[0101] It should be noted that after the target mobile terminal receives the fifth electrical signal, the fifth electrical signal can also be converted into a first infrared light signal, and the operation of transmitting the first infrared light signal can be repeated so that the control instructions sent by the target terminal can be received by all LED array lamp ends and mobile terminals.

[0102] In this embodiment, if the control instruction sent by the target terminal is a control instruction sent to some mobile terminals, the addresses of some mobile terminals can be carried when the target terminal sends the control instruction, so that after all mobile terminals receive the control instruction, they can determine whether to execute the control instruction based on the addresses of some mobile terminals carried by the control instruction.

[0103] The technical solution of this embodiment is to convert a first infrared light signal emitted by a receiving source mobile terminal into multiple first electrical signals, wherein the first infrared light signal includes: a generated infrared light signal, or an infrared light signal obtained by converting a received electrical signal; merging the multiple first electrical signals to obtain a second electrical signal; converting the second electrical signal into a visible light signal corresponding to a business type of the second electrical signal; and transmitting a visible light signal corresponding to the business type of the second electrical signal, so that the destination mobile terminal receives the visible light signal corresponding to the business type of the second electrical signal, thereby improving the optical communication range and further improving the communication effect.

[0104] Embodiment 3

[0105] Figure 6A schematic diagram of the structure of an electronic device 10 that can be used to implement an embodiment of the present invention is shown. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices (such as helmets, glasses, watches, etc.) and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present invention described and / or required herein.

[0106] like Figure 6 As shown, the electronic device 10 includes at least one processor 11, and a memory connected to the at least one processor 11, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can perform various appropriate actions and processes according to the computer program stored in the read-only memory (ROM) 12 or the computer program loaded from the storage unit 18 to the random access memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other through a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0107] A number of components in the electronic device 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, an optical disk, etc.; and a communication unit 19, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0108] The processor 11 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various dedicated artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as the optical communication method.

[0109] In some embodiments, the optical communication method may be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit 18. In some embodiments, part or all of the computer program may be loaded and / or installed on the electronic device 10 via the ROM 12 and / or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the optical communication method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the optical communication method in any other appropriate manner (e.g., by means of firmware).

[0110] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0111] Computer programs for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that when the computer program is executed by the processor, the functions / operations specified in the flow chart and / or block diagram are implemented. The computer program may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0112] In the context of the present invention, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in combination with an instruction execution system, device or equipment. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. A more specific example of a machine-readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0113] To provide interaction with a user, the systems and techniques described herein may be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the electronic device. Other types of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form (including acoustic input, voice input, or tactile input).

[0114] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0115] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0116] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0117] An embodiment of the present invention further provides a computer program product, including a computer program, wherein when the computer program is executed by a processor, the optical communication method according to any embodiment of the present invention is implemented.

[0118] In the process of implementation, the computer program product can be written in one or more programming languages ​​or a combination thereof to perform the computer program code of the present invention, including object-oriented programming languages, such as Java, Smalltalk, C++, and conventional procedural programming languages, such as "C" language or similar programming languages. The program code can be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer can be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or can be connected to an external computer (for example, using an Internet service provider to connect through the Internet).

[0119] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical communication system, characterized in that: The optical communication system comprises: a plurality of mobile terminals and a plurality of LED array lamp ends, wherein the plurality of LED array lamp ends comprise: at least one LED array lamp end with a light source perpendicular to the ground and at least one LED array lamp end with a foot between the light source and the ground less than a set angle, the mobile terminal comprises: a signal transmitting lamp bead, a signal receiving lamp bead, a detector module and a first baseband processing module, and the LED array lamp end comprises: an LED receiving lamp bead, an LED transmitting lamp bead, a detector array module, a first photoelectric conversion module and a second baseband processing module; The signal transmitting lamp bead is used to transmit a first infrared light signal, wherein the first infrared light signal includes: a generated infrared light signal, or an infrared light signal obtained by converting a received electrical signal; The LED receiving lamp bead is used to receive the first infrared light signal emitted by the signal emitting lamp bead, and send the first infrared light signal to the detector array module; The detector array module is connected to the LED receiving lamp bead, and the detector array module is used to receive multiple first infrared light signals, convert the multiple first infrared light signals into multiple first electrical signals, and send the multiple first electrical signals to the second baseband processing module; The second baseband processing module is connected to the detector array module, and is used to receive the multiple first electrical signals sent by the detector array module, combine and process the multiple first electrical signals to obtain a second electrical signal, and send the second electrical signal to the first photoelectric conversion module; The first photoelectric conversion module is connected to the second baseband processing module, and the first photoelectric conversion module is used to receive the second electrical signal, convert the second electrical signal into a visible light signal corresponding to the service type of the second electrical signal, and send the visible light signal corresponding to the service type of the second electrical signal to the LED emission lamp bead, wherein the visible light signal corresponding to the service type of the second electrical signal includes: a first red light signal or a first green light signal; The LED transmitting lamp bead is connected to the first photoelectric conversion module, and the LED transmitting lamp bead is used to receive a visible light signal corresponding to the business type of the second electrical signal, and transmit a visible light signal corresponding to the business type of the second electrical signal.

2. The system according to claim 1, characterized in that The mobile terminal further includes: a second photoelectric conversion module; The signal receiving lamp bead is used to receive the visible light signal corresponding to the business type of the second electrical signal, and send the visible light signal corresponding to the business type of the second electrical signal to the detector module; The detector module is connected to the signal receiving lamp bead, and the detector module is used to receive the visible light signal corresponding to the service type of the second electrical signal, convert the visible light signal corresponding to the service type of the second electrical signal into a third electrical signal, and send the third electrical signal to the first baseband processing module; The first baseband processing module is connected to the detector module, and the first baseband processing module is used to receive the third electrical signal sent by the detector module, and send the third electrical signal to the second photoelectric conversion module; The second photoelectric conversion module is connected to the first baseband processing module, and the second photoelectric conversion module is used to receive the third electrical signal and convert the third electrical signal into the first infrared light signal.

3. The system according to claim 1, characterized in that The optical communication system further comprises: a target terminal; The plurality of LED array lamp ends and the target terminal are connected by wire; The second baseband processing module is further configured to: after receiving the second electrical signal sent by the detector array module, send the second electrical signal to the target terminal through a network port.

4. The system according to claim 3, characterized in that The second baseband processing module is further used to: receive a fourth electrical signal sent by the target terminal through a network port, and send the fourth electrical signal to the first photoelectric conversion module; The first photoelectric conversion module is further used to receive the fourth electrical signal sent by the second baseband processing module, convert the fourth electrical signal into a visible light signal corresponding to the service type of the fourth electrical signal, and send the visible light signal corresponding to the service type of the fourth electrical signal to the LED transmitting lamp bead; The LED transmitting lamp bead is also used to receive a visible light signal corresponding to the business type of the fourth electrical signal, and transmit a visible light signal corresponding to the business type of the fourth electrical signal; The signal receiving lamp bead is also used to receive a visible light signal corresponding to the business type of the fourth electrical signal, and send the visible light signal corresponding to the business type of the fourth electrical signal to the detector module; The detector module is further used to convert the visible light signal corresponding to the service type of the fourth electrical signal into a fifth electrical signal, and send the fifth electrical signal to the first baseband processing module; The first baseband processing module is further configured to receive the fifth electrical signal.

5. An optical communication method, characterized in that: The optical communication method is performed by the LED array lamp end in the optical communication system according to any one of claims 1 to 4, and comprises: Receiving a first infrared light signal emitted by a source mobile terminal, converting the first infrared light signal into a plurality of first electrical signals, wherein the first infrared light signal includes: a generated infrared light signal, or an infrared light signal obtained by converting a received electrical signal; Combining the multiple first electrical signals to obtain a second electrical signal; Converting the second electrical signal into a visible light signal corresponding to the service type of the second electrical signal; A visible light signal corresponding to the service type of the second electrical signal is transmitted so that the destination mobile terminal receives the visible light signal corresponding to the service type of the second electrical signal.

6. The method according to claim 5, characterized in that After combining the multiple first electrical signals to obtain the second electrical signal, the method further includes: The second electrical signal is sent to the target terminal through the network port.

7. The method according to claim 5, characterized in that Also includes: receiving, through the network port, a fourth electrical signal sent by the target terminal, and converting the fourth electrical signal into a visible light signal corresponding to a service type of the fourth electrical signal; The visible light signal corresponding to the service type of the fourth electrical signal is transmitted, so that the destination mobile terminal receives the visible light signal corresponding to the service type of the fourth electrical signal, and converts the visible light signal corresponding to the service type of the fourth electrical signal into a fifth electrical signal.

8. An electronic device, characterized in that: The electronic device comprises: at least one processor; and a memory communicatively connected to the at least one processor; wherein, The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can perform the optical communication method according to any one of claims 5 to 7.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the optical communication method according to any one of claims 5 to 7 when executed.

10. A computer program product, characterized in that The computer program product comprises a computer program, which, when executed by a processor, implements the optical communication method according to any one of claims 5 to 7.

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