CN203675114U - Bridging system based on visible light communication - Google Patents
Bridging system based on visible light communication Download PDFInfo
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- CN203675114U CN203675114U CN201320797596.3U CN201320797596U CN203675114U CN 203675114 U CN203675114 U CN 203675114U CN 201320797596 U CN201320797596 U CN 201320797596U CN 203675114 U CN203675114 U CN 203675114U
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Abstract
The utility model discloses a bridging system based on visible light communication. The system comprises a plurality of LED optical access points. One of the LED optical access points is configured to be in an optical access mode and is connected to a network via a broadband access device; the other LED optical access points are configured to be in an optical bridge mode; and the LED optical access point in the optical access mode are connected to each LED optical access point in the optical bridge mode via a power line carrier bus and / or visible light, so that communication connection is achieved. According to the technical scheme, the system is a distributed system of visible light communication formed by means of bridge technology, so that the coverage range and the transmission speed of a visible light communication system is improved. For different scenarios, the system is safe and free of radiation, and substantially improves the flexibility and convenience of the whole network structure.
Description
Technical field
The utility model relates to visible light communication technical field, particularly relates to the bridge system based on visible light communication.
Background technology
In the face of the immense pressure of global energy-saving and emission-reduction, develop the 4th generation green lighting technique very urgent, and the realization of white light LEDs (light-emitting diode) illumination is in energy savings, more the light wireless access in high speed, broadband provides a kind of new way, also provides a kind of new approaches for solving the serious limited predicament of existing radio band resource.Visible light communication has higher fail safe and privacy, and its available bandwidth is high, does not produce electromagnetic interference, also without the permission of corresponding frequency band, and having good spatial reuse, can greatly expand the coverage rate of network, is therefore fabulous the supplementing to existing radio-frequency technique.At present, visible light communication is widely used in mobile navigation and the location etc. of WiMAX access, intelligent transportation system, subsurface communication, control system and the city vehicle of office and family, especially under radio communication constrained environment, as colliery, hospital and aircraft, LED-based visible light communication technology is easy to promote more, and visible light communication will probably become a new growth point in light wireless communication field.
Visible light communication technology can be applied to Internet of Things simultaneously, as the WAP (wireless access point) of sensor network, has also improved the security performance of Internet of Things in the situation that making full use of visible ray resource.Internet of Things is as strategic new industry, and Chinese Government is pushing forward Internet of Things construction comprehensively.The development that the fast development of LED industry and Internet of Things is visible light communication technology and technology evolution provide a good platform.
Be illustrated in figure 1 typical visible ray wireless communication system, visible light communication technology can be used as effectively supplementing of indoor and outdoor wireless access and soverlay technique, but due to the feature of visible light communication itself, its penetrability is not strong, for body of wall, a fixing present such as tables and chairs has impermeability, can exist signal difference to cause message transmission rate not reach the situation of user's request, even form the signal ' blind area ' of wireless access, and due to common LED power limited, its coverage is relatively little, particularly in home network, each room at least needs a LED light source.If each LED is all as a WAP (wireless access point), terminal equipment need to switch frequently, and the mobility of terminal equipment is restricted.In addition, in larger stadium, if only depend on the light source of several relatively high powers easily to cause a lot of darker pockets, now need low power LED light source to supplement covering, form unified visible light communication system with powerful light source.
Summary of the invention
The purpose of this utility model is the deficiency existing for prior art, and the distributed system that provides a kind of bridge system based on visible light communication to consist of visible light communication bridging technology has improved coverage and the transmission rate of visible light communication system.
For achieving the above object, the technical scheme that the bridge system of the utility model based on visible light communication adopts is: a kind of bridge system based on visible light communication, comprise some LED light access points, it is connected to the network by broadband access equipment that one of them LED light access point is set to light access module, remaining LED light access point is set to light bridge mode, connect each LED light access point by power line carrier bus and/or visible ray and connect, realize communication connection.
The LED light access point of light access module is connected by power line carrier bus with the LED light access point of light bridge mode.
The LED light access point of light access module is connected by visible ray with the LED light access point of light bridge mode.
LED light access point is set to two kinds of patterns, and one is light access module, and one is light bridge mode.A LED light access point is set to light access module, and all the other LED light access points are set to light bridge mode, and multiple LED light access points form virtual visible ray distributed system.Each LED light access point in visible ray distributed system should adopt identical frequency range.
For visible light communication, bridge system of the present utility model can adopt three kinds of schemes:
One is to adopt wireless mode, between the LED light access point of the LED light access point of light access module and light bridge mode, still adopts visible ray to communicate, and its typical application scenarios has stadium, Stadium etc.
Another is that visible light communication and power line carrier communication are combined, between the LED light access point of the LED light access point of light access module and light bridge mode, pass through power line carrier bus communication, its typical application scenarios has home network, large-scale office, aircraft and colliery etc.
The third is the mixed mode of first two scheme, if the LED light access point of the LED light access point of light access module and light bridge mode can receive mutually visible light signal each other, can adopt the mode of scheme one, communicates by letter mutually by visible ray; If cannot receive each other visible light signal, can adopt the mode of scheme two, communicate by letter by power line carrier bus.Its typical application scenarios and scheme two are similar.
The utility model compared with prior art, has the following advantages:
The bridge system of the utility model based on visible light communication, expand greatly the coverage of system, change single, simple application model, more flexible, and also can be used as existing one wired and wireless technology (such as WiFi) supplements and expansion, for different scenes, bring into play its distinctive fail safe and radiationless property, greatly improve flexibility and the convenience of whole network configuration.
Brief description of the drawings
Fig. 1 is the visible light communication system of prior art.
Fig. 2 is the schematic diagram of the bridge system embodiment mono-based on visible light communication.
Fig. 3 is the schematic diagram of the bridge system embodiment bis-based on visible light communication.
Fig. 4 is the schematic diagram of the bridge system embodiment tri-based on visible light communication.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these execution modes and only be not used in restriction scope of the present utility model for the utility model is described, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the amendment of the various equivalent form of values of the present utility model.
Embodiment 1
As Fig. 2, the utility model discloses the visible ray distributed system of carrying out bridge joint by visible ray, LED light access point 21 accesses Internet by broadband access equipment 27, and LED light access point 21 is set to light access module, and LED light access point 22 and 23 is set to light bridge mode.LED light access point 21 carries out bridge joint by visible ray and LED light access point 22 and 23, expands its coverage.Equipment 24 is directly communicated by letter with LED light access point 21, and then be connected to Internet by visible ray; Equipment 25 and equipment 26 access LED light access point 22 and 23, LED light access point 22 and 23 as the relaying of LED light access point 21 by visible ray respectively, make equipment 25 and equipment 26 also can be connected to Internet.
Embodiment 2
As Fig. 3, the utility model discloses the visible ray distributed system of carrying out bridge joint by visible ray, LED light access point 31 accesses Internet by broadband access equipment 37, and LED light access point 31 is set to light access module, and LED light access point 32 and 33 is set to light bridge mode.LED light access point 31 carries out bridge joint by power line carrier technology and LED light access point 32 and 33, expands its coverage.Equipment 34 is directly communicated by letter with LED light access point 31, and then be connected to Internet by visible ray; Equipment 35 and equipment 36 access LED light access point 32 and 33, LED light access point 32 and 33 as the relaying of LED light access point 31 by visible ray respectively, make equipment 35 and equipment 36 also can be connected to Internet.
Embodiment 3
As Fig. 4, the utility model discloses the visible ray distributed system of carrying out bridge joint by visible ray, LED light access point 41 accesses Internet by broadband access equipment 47, and LED light access point 41 is set to light access module, and LED light access point 42 and 43 is set to light bridge mode.LED light access point 41 carries out bridge joint by power line carrier technology and LED light access point 42, and LED light access point 41 carries out bridge joint by visible ray and LED light access point 43, expands its coverage.Equipment 44 is directly communicated by letter with LED light access point 41, and then be connected to Internet by visible ray; Equipment 45 and equipment 46 access LED light access point 42 and 43, LED light access point 42 and 43 as the relaying of LED light access point 41 by visible ray respectively, make equipment 45 and equipment 46 also can be connected to Internet.
Claims (3)
1. the bridge system based on visible light communication, it is characterized in that: comprise some LED light access points, it is connected to the network by broadband access equipment that one of them LED light access point is set to light access module, remaining LED light access point is set to light bridge mode, connect each LED light access point by power line carrier bus and/or visible ray and connect, realize communication connection.
2. the bridge system based on visible light communication according to claim 1, is characterized in that: the LED light access point of light access module is connected by power line carrier bus with the LED light access point of light bridge mode.
3. the bridge system based on visible light communication according to claim 1, is characterized in that: the LED light access point of light access module is connected by visible ray with the LED light access point of light bridge mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797596.3U CN203675114U (en) | 2013-12-09 | 2013-12-09 | Bridging system based on visible light communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797596.3U CN203675114U (en) | 2013-12-09 | 2013-12-09 | Bridging system based on visible light communication |
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| Publication Number | Publication Date |
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| CN203675114U true CN203675114U (en) | 2014-06-25 |
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| CN201320797596.3U Expired - Lifetime CN203675114U (en) | 2013-12-09 | 2013-12-09 | Bridging system based on visible light communication |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634047A (en) * | 2013-12-09 | 2014-03-12 | 赵生捷 | Visible light communication based bridging system |
| CN106656326A (en) * | 2016-10-27 | 2017-05-10 | 南方科技大学 | Control method and control apparatus for assisting relay selection by use of visible light, and wireless local area network |
| WO2017125747A1 (en) | 2016-01-19 | 2017-07-27 | Qatar Foundation For Education, Science And Community Development | A relay-assisted visible light communication system |
| GB2563281A (en) * | 2017-06-09 | 2018-12-12 | Solanki Deepak | An optical wireless communication system and adaptive optical wireless communication network |
| WO2021043996A3 (en) * | 2019-09-04 | 2021-04-22 | Markus Fischer | System for transmitting data by means of optical data signals |
-
2013
- 2013-12-09 CN CN201320797596.3U patent/CN203675114U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634047A (en) * | 2013-12-09 | 2014-03-12 | 赵生捷 | Visible light communication based bridging system |
| WO2017125747A1 (en) | 2016-01-19 | 2017-07-27 | Qatar Foundation For Education, Science And Community Development | A relay-assisted visible light communication system |
| CN106656326A (en) * | 2016-10-27 | 2017-05-10 | 南方科技大学 | Control method and control apparatus for assisting relay selection by use of visible light, and wireless local area network |
| CN106656326B (en) * | 2016-10-27 | 2019-03-29 | 南方科技大学 | Control method, control device and the WLAN of visible light alternative routing selection |
| GB2563281A (en) * | 2017-06-09 | 2018-12-12 | Solanki Deepak | An optical wireless communication system and adaptive optical wireless communication network |
| WO2021043996A3 (en) * | 2019-09-04 | 2021-04-22 | Markus Fischer | System for transmitting data by means of optical data signals |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140625 |
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| CX01 | Expiry of patent term |