CN103292819A - Vehicle navigation system based on visible light communication - Google Patents
Vehicle navigation system based on visible light communication Download PDFInfo
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- CN103292819A CN103292819A CN2012100505079A CN201210050507A CN103292819A CN 103292819 A CN103292819 A CN 103292819A CN 2012100505079 A CN2012100505079 A CN 2012100505079A CN 201210050507 A CN201210050507 A CN 201210050507A CN 103292819 A CN103292819 A CN 103292819A
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Abstract
The invention relates to a vehicle navigation system based on visible light communication. The vehicle navigation system comprises a first information receiving and dispatching module and a second information receiving and dispatching module, wherein the first information receiving and dispatching module is used for sending requesting information to the second information receiving and dispatching module; the second information receiving and dispatching module is used for feeding information back to the first information receiving and dispatching module according to the requesting information; at least one of the requesting information and the fed information is transmitted in a form of an optical signal. According to the vehicle navigation system based on visible light communication disclosed by the invention, the first information receiving and dispatching module and the second information receiving and dispatching module are matched to provide navigation information for a vehicle, and an existing lamp light source is sufficiently utilized. Compared with existing GPS (Global Position System) navigation, the vehicle navigation system is high in positioning precision, convenient, high in resource utilization rate and low in cost.
Description
Technical field
The present invention relates to a kind of Vehicular navigation system, relate in particular to a kind of Vehicular navigation system based on visible light communication.
Background technology
Location, the navigation of navigating instrument at present, at first be that all addresses and geography information thereof are input in the navigating instrument, when needing navigation, destination-address is imported navigating instrument, compare with the address of its preservation, there is this address then to find the destination according to its geography information, calculates navigation way according to road geographic information again; Because the destination-address that navigating instrument is faced is too huge and dispersion, general navigating instrument all only records the address with the meaning of representing, many times, a lot of local neither one is identifiable, the anchor point of generally acknowledging, this just makes too many address can not find at navigating instrument.
Along with expanding economy, the road of light sources such as road lighting lamp in cities and towns has very big application, and it provides illumination to people and increases the prosperity in city.When the various vehicles such as motor vehicle when night walking is on road, described road lighting lamp shines light on the road, reflective by road, thereby the visual information of necessity can be passed to the car owner, thus can prevent owing to the not enough situation that traffic hazard occurs of visual information.Simultaneously, can also increase and guarantee comprehensive security and the comfort of road traffic at night.Yet along with the speed of development of society constantly promotes, existing simple being used for provides the road lighting lamp of illumination can not satisfy the demand.
Summary of the invention
Technical matters to be solved by this invention is, at above-mentioned the deficiencies in the prior art, proposes a kind of bearing accuracy height, convenient, resource utilization is high and cost the is low Vehicular navigation system based on visible light communication.
The technical solution adopted for the present invention to solve the technical problems is, a kind of Vehicular navigation system based on visible light communication is proposed, it comprises first information transceiver module and second signal dispatcher module, and described first information transceiver module is used for sending solicited message to described second signal dispatcher module; Described second signal dispatcher module is used for feeding back to described first information transceiver module according to described request information, and wherein, at least a among both of described request information or described feedack is that the form with light signal transmits.
Further, described request information is one or more in destination information, traffic information, transport information, Weather information or the advertising message.
Further, described first information transceiver module is arranged on the vehicles or the handheld terminal.
Further, described first information transceiver module is provided with light source or the emission of radio frequency signals unit for emission described request signal.
Further, described light source for emission described request signal is car light.
Further, described first information transceiver module comprises information input-output unit, signal receiving unit, automobile computer and described car light, and described information input-output unit is used for input described request information and the information of obtaining is shown; Described automobile computer is used for the information that sends according to described information input-output unit, and the sudden strain of a muscle of controlling described car light is gone out, and sends described information with the form of light signal to described second signal dispatcher module; Described signal receiving unit is used for receiving the described second signal dispatcher module feedack.
Further, described signal receiving unit is provided with for the photoelectric commutator or the radio frequency receiver that receive described feedback information.
Further, described second signal dispatcher module is road illuminating lamp.
Further, described road illuminating lamp comprises signal receiver, controller, modulator, driver and light emitting diode matrix, and described signal receiver is used for receiving described request information, and sends described request information to described controller; Described controller sends coded data to described modulator according to described request information, described modulator receives described coded data and is converted into the level modulation signal, and described driver drives the light signal that the light emitting diode matrix emission contains information under the control of level modulation signal.
Further, described Vehicular navigation system based on visible light communication also comprises the server that is connected with described second signal dispatcher module by network, described server is used for sending information to described road illuminating lamp, and described road illuminating lamp is launched described information again with the form of light signal.
In sum, the present invention is based on the Vehicular navigation system of visible light communication by the cooperation between described first information transceiver module and second signal dispatcher module, just can be vehicle navigation information is provided, it takes full advantage of existing lamp source, compare with existing GPS navigation, its bearing accuracy height, convenient, resource utilization is high and cost is low.
Description of drawings
Fig. 1 is the theory diagram that the present invention is based on a kind of embodiment of Vehicular navigation system of visible light communication.
Fig. 2 is the theory diagram of road lighting lamp of the present invention shown in Figure 1.
Embodiment
The present invention will be further described below in conjunction with drawings and the specific embodiments:
See also Fig. 1, the Vehicular navigation system that the present invention is based on visible light communication comprises first information transceiver module 1, second signal dispatcher module 2 and server 3.Described first information transceiver module 1 is arranged on the vehicle, and is used for sending solicited message to described second signal dispatcher module 2, and described request information is one or more in destination information, traffic information, transport information, Weather information or the advertising message.
In the present embodiment, described first information transceiver module 1 comprises information input-output unit 11, automobile computer 12, car light 13 and signal receiving unit 14, described information input-output unit 11 is electrically connected with described automobile computer 12, and is used for importing described request information and will showing from the information that described automobile computer 12 obtains.In the present embodiment, described information input-output unit 11 is contact panels, and it is arranged on the console of automobile, thereby is convenient to driver's operation.Described automobile computer 12 is electrically connected with described car light 13 and signal receiving unit 14, and it is for the information that sends according to described information input-output unit 11, and the sudden strain of a muscle of controlling described car light 13 is gone out, thereby described request information is launched with the form of light signal.Described signal receiving unit 14 is photoelectric commutators, and described photoelectric commutator be used for to receive the information that transmits with the light signal form of described second signal dispatcher module, 2 feedbacks, and converts described light signal to electric signal and send described automobile computer 12 to.
See also Fig. 2, described second signal dispatcher module 2 is road illuminating lamps, and described road illuminating lamp comprises signal receiver 21, controller 22, modulator 23, driver 24 and the light emitting diode matrix 25 that is electrically connected according to order.Described signal receiver 21 is photoelectric commutators, and it is used for receiving described request information, and sends described request information to described controller 22.Described controller 22 sends coded data to described modulator 23 according to described request information, described modulator 23 receives described coded data and is converted into the level modulation signal, and described driver 24 drives the light signal that light emitting diode matrix 25 emissions contain information under the control of level modulation signal.Described server 3 is connected by the described controller 22 of network with described second signal dispatcher module 2, and it is used for sending information to described road illuminating lamp, and described road illuminating lamp is launched described information again with the form of light signal.
Principle of work of the present invention is: be equiped with the vehicle of described first information transceiver module 1 when the road that described road illuminating lamp is installed travels, when if the car owner of described vehicle need navigate, then write destination information by described information input-output unit 11, described destination information is launched with the form of light signal by described car light 13 behind described automobile computer 12 codings.The signal receiver 21 of described road illuminating lamp converts described light signal to electric signal, send described controller 22 then to, after described controller 22 loading position information, send described server 3 to by network again, described server 3 is by calculating the best driving path that can draw vehicle, then described best run routing information is passed to described road illuminating lamp again by network, described road illuminating lamp is launched described best run routing information by described light emitting diode matrix 25 with the form of light signal again, the signal receiving unit 14 of described vehicle receives described best run routing information, send this information to described information input-output unit 11 and show, just realize navigation feature.
In addition, described server 3 can send to described road illuminating lamp such as traffic information, transport information, Weather information or advertising message by network, and then releases by described road illuminating lamp; Or write demand information by described input-output unit 11 and send to described server 3, described server 3 feeds back described traffic information, transport information or Weather information etc. according to described demand information again, thereby can be the car owner multiple service is provided.Because the present invention mainly utilizes the light signal information of carrying out to transmit, and has avoided transmitting the electromagnetic radiation pollution that produces by electromagnetic wave in the prior art, has avoided the harm of electromagnetic wave to human body; Described first information transceiver module 1 has taken full advantage of equipment such as existing automobile computer 12 and car light 13 in the automobile, and described second signal dispatcher module 2 has taken full advantage of existing LED road lighting lamp apparatus, thereby input cost is low, and is easy to utilize.Because described road lighting lamp is arranged on by the road, position data is comparatively accurate, thereby bearing accuracy of the present invention is than existing GPS (GPS) bearing accuracy height.
In sum, the present invention is based on the Vehicular navigation system of visible light communication by the cooperation between described first information transceiver module 1 and second signal dispatcher module 2, just can be vehicle navigation information is provided, it takes full advantage of existing lamp source, compare with existing GPS navigation, its bearing accuracy height, convenient, resource utilization is high and cost is low.
By reference to the accompanying drawings preferred embodiment of the present invention is described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not breaking away under the scope situation that aim of the present invention and claim protect; also can make a lot of forms; for example; be arranged on described first information transceiver module 1 on the handheld terminal or described first information transceiver module 1 is provided with for the emission of radio frequency signals unit of emission described request signal etc., these all belong within protection scope of the present invention.
Claims (10)
1. Vehicular navigation system based on visible light communication is characterized in that: comprise first information transceiver module and second signal dispatcher module, described first information transceiver module is used for sending solicited message to described second signal dispatcher module; Described second signal dispatcher module is used for feeding back to described first information transceiver module according to described request information, and wherein, at least a among both of described request information or described feedack is that the form with light signal transmits.
2. the Vehicular navigation system based on visible light communication according to claim 1, it is characterized in that: described request information is one or more in destination information, traffic information, transport information, Weather information or the advertising message.
3. the Vehicular navigation system based on visible light communication according to claim 1 and 2, it is characterized in that: described first information transceiver module is arranged on the vehicles or the handheld terminal.
4. the Vehicular navigation system based on visible light communication according to claim 3 is characterized in that: described first information transceiver module is provided with light source or the emission of radio frequency signals unit for emission described request signal.
5. the Vehicular navigation system based on visible light communication according to claim 4 is characterized in that: described light source for emission described request signal is car light.
6. the Vehicular navigation system based on visible light communication according to claim 5, it is characterized in that: described first information transceiver module comprises information input-output unit, signal receiving unit, automobile computer and described car light, and described information input-output unit is used for input described request information and the information of obtaining is shown; Described automobile computer is used for the information that sends according to described information input-output unit, and the sudden strain of a muscle of controlling described car light is gone out, and sends described information with the form of light signal to described second signal dispatcher module; Described signal receiving unit is used for receiving the described second signal dispatcher module feedack.
7. the Vehicular navigation system based on visible light communication according to claim 6 is characterized in that: described signal receiving unit is provided with for the photoelectric commutator or the radio frequency receiver that receive described feedback information.
8. the Vehicular navigation system based on visible light communication according to claim 1 and 2, it is characterized in that: described second signal dispatcher module is road illuminating lamp.
9. the Vehicular navigation system based on visible light communication according to claim 8, it is characterized in that: described road illuminating lamp comprises signal receiver, controller, modulator, driver and light emitting diode matrix, described signal receiver is used for receiving described request information, and sends described request information to described controller; Described controller sends coded data to described modulator according to described request information, described modulator receives described coded data and is converted into the level modulation signal, and described driver drives the light signal that the light emitting diode matrix emission contains information under the control of level modulation signal.
10. the Vehicular navigation system based on visible light communication according to claim 9, it is characterized in that: described Vehicular navigation system based on visible light communication also comprises the server that is connected with described second signal dispatcher module by network, described server is used for sending information to described road illuminating lamp, and described road illuminating lamp is launched described information again with the form of light signal.
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| CN201210050507.9A CN103292819B (en) | 2012-02-29 | 2012-02-29 | Based on the Vehicular navigation system of visible light communication |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104331034A (en) * | 2014-09-28 | 2015-02-04 | 东莞勤上光电股份有限公司 | LED street lamp positioning system based on visible light communication |
| CN106842126A (en) * | 2017-02-08 | 2017-06-13 | 广东昭信照明科技有限公司 | A kind of Position Fixing Navigation System based on visible light communication |
| CN106941513A (en) * | 2017-01-19 | 2017-07-11 | 斑马信息科技有限公司 | Inter-Vehicles Information System and its application |
| CN106982094A (en) * | 2017-04-09 | 2017-07-25 | 深圳市先通网信息科技有限公司 | Visible light communication method and system |
| CN107425907A (en) * | 2017-05-02 | 2017-12-01 | 中国人民解放军信息工程大学 | Data transmission method, apparatus and system based on visible ray |
| CN107864013A (en) * | 2017-11-10 | 2018-03-30 | 深圳市光域物联科技有限公司 | Towards the self adaptive imaging Position Fixing Navigation System and method of automatic driving vehicle |
| CN110601761A (en) * | 2019-09-05 | 2019-12-20 | 上汽通用汽车有限公司 | Vehicle positioning method, storage medium, and electronic device |
| CN111307138A (en) * | 2020-03-10 | 2020-06-19 | 深圳华创芯光科技有限公司 | Method and system for positioning vehicles in tunnel |
| CN115183775A (en) * | 2022-06-17 | 2022-10-14 | 中国电信股份有限公司 | Indoor Navigation System and Method |
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| CN106842126A (en) * | 2017-02-08 | 2017-06-13 | 广东昭信照明科技有限公司 | A kind of Position Fixing Navigation System based on visible light communication |
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| CN107425907B (en) * | 2017-05-02 | 2020-10-30 | 中国人民解放军信息工程大学 | Data transmission method, device and system based on visible light |
| CN107864013A (en) * | 2017-11-10 | 2018-03-30 | 深圳市光域物联科技有限公司 | Towards the self adaptive imaging Position Fixing Navigation System and method of automatic driving vehicle |
| CN107864013B (en) * | 2017-11-10 | 2019-09-10 | 深圳市光域物联科技有限公司 | Self adaptive imaging Position Fixing Navigation System and method towards automatic driving vehicle |
| CN110601761A (en) * | 2019-09-05 | 2019-12-20 | 上汽通用汽车有限公司 | Vehicle positioning method, storage medium, and electronic device |
| CN111307138A (en) * | 2020-03-10 | 2020-06-19 | 深圳华创芯光科技有限公司 | Method and system for positioning vehicles in tunnel |
| CN115183775A (en) * | 2022-06-17 | 2022-10-14 | 中国电信股份有限公司 | Indoor Navigation System and Method |
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| CN103292819B (en) | 2015-10-07 |
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