CN103292819B - Based on the Vehicular navigation system of visible light communication - Google Patents
Based on the Vehicular navigation system of visible light communication Download PDFInfo
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- CN103292819B CN103292819B CN201210050507.9A CN201210050507A CN103292819B CN 103292819 B CN103292819 B CN 103292819B CN 201210050507 A CN201210050507 A CN 201210050507A CN 103292819 B CN103292819 B CN 103292819B
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Abstract
The present invention relates to a kind of Vehicular navigation system based on visible light communication, it comprises first information transceiver module and the second signal dispatcher module, and described first information transceiver module is used for described second signal dispatcher module transmission request information; Described second signal dispatcher module is used for according to described request information, feeds back to described first information transceiver module, and wherein, at least one in described request information or described both feedacks is the form transmission with light signal.The present invention is based on the Vehicular navigation system of visible light communication by the cooperation between described first information transceiver module and the second signal dispatcher module, just can be vehicle and navigation information is provided, it makes full use of existing lamp source, compared with existing GPS navigation, its positioning precision is high, convenient, resource utilization is high and cost is low.
Description
Technical field
The present invention relates to a kind of Vehicular navigation system, particularly relate to a kind of Vehicular navigation system based on visible light communication.
Background technology
The location of current navigating instrument, navigation, first be that all addresses and geography information thereof are input in navigating instrument, when needing navigation, destination-address is inputted navigating instrument, compare with the address of its preservation, there is this address then to find destination according to its geography information, then calculate navigation way according to road geographic information; Destination-address faced by navigating instrument is too huge and disperse, general navigating instrument all only record has the address representing meaning, 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 on navigating instrument.
Along with expanding economy, the light sources such as road lighting lamp have very large application at the road in cities and towns, and it provides illumination to people and increases the prosperity in city.When the various vehicles such as motor vehicle are when night, walking was on road, light is irradiated on road by described road lighting lamp, reflective by road, thus can pass to car owner by the visual information of necessity, thus can prevent the situation occurring traffic hazard because visual information is not enough.Meanwhile, can also increase and ensure comprehensive security and the comfort of road traffic at night.But, along with the speed of development of society constantly promotes, existing simple for providing the road lighting lamp of illumination can not satisfy the demand.
Summary of the invention
Technical matters to be solved by this invention is, for above-mentioned the deficiencies in the prior art, proposes the Vehicular navigation system based on visible light communication that a kind of positioning precision is high, convenient, resource utilization is high and cost is low.
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 the second signal dispatcher module, and described first information transceiver module is used for described second signal dispatcher module transmission request information; Described second signal dispatcher module is used for according to described request information, feeds back to described first information transceiver module, and wherein, at least one in described request information or described both feedacks is the form transmission with light signal.
Further, described request information is one or more in destination information, traffic information, transport information, Weather information or advertising message.
Further, described first information transceiver module is arranged on the vehicles or handheld terminal.
Further, described first information transceiver module is provided with light source for launching described request signal or emission of radio frequency signals unit.
Further, the described light source for launching 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, described information input-output unit for input described request information and by obtain information displaying out; Described automobile computer is used for the information sent according to described information input-output unit, and the sudden strain of a muscle 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 for receiving described second signal dispatcher module feedack.
Further, described signal receiving unit is provided with photoelectric commutator for receiving described feedback information or radio frequency receiver.
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 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 level modulated signals, and described driver drives light emitting diode matrix to launch the light signal containing information under the control of level modulated signals.
Further, the described Vehicular navigation system based on visible light communication also comprises the server be connected with described second signal dispatcher module by network, described server is used for sending information to described road illuminating lamp, and described information is launched with the form of light signal by described road illuminating lamp again.
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 the second signal dispatcher module, just can be vehicle and navigation information is provided, it makes full use of existing lamp source, compared with existing GPS navigation, its positioning precision is high, convenient, resource utilization is high and cost is low.
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of embodiment of Vehicular navigation system that the present invention is based on visible light communication.
Fig. 2 is the theory diagram of road lighting lamp of the present invention shown in Fig. 1.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention will be further described:
Refer to 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 vehicle, and for described second signal dispatcher module 2 transmission request information, and described request information is one or more in destination information, traffic information, transport information, Weather information or 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 for inputting described request information and by the information displaying that obtains from described automobile computer 12 out.In the present embodiment, described information input-output unit 11 is contact panels, and it is arranged on the console of automobile, is thus convenient to driver's operation.Described automobile computer 12 is electrically connected with described car light 13 and signal receiving unit 14, and its information for sending according to described information input-output unit 11, the sudden strain of a muscle controlling described car light 13 is gone out, and thus described request information is launched with the form of light signal.Described signal receiving unit 14 is photoelectric commutators, the information transmitted with light signal form that described photoelectric commutator feeds back for receiving described second signal dispatcher module 2, and described light signal is converted to electric signal and send described automobile computer 12 to.
Refer to Fig. 2, described second signal dispatcher module 2 is road illuminating lamps, and described road illuminating lamp comprises the signal receiver 21, controller 22, modulator 23, driver 24 and the light emitting diode matrix 25 that are electrically connected according to order.Described signal receiver 21 is photoelectric commutators, and it is 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 level modulated signals, and described driver 24 drives light emitting diode matrix 25 to launch the light signal containing information under the control of level modulated signals.Described server 3 is connected by the described controller 22 of network with described second signal dispatcher module 2, and it is for sending information to described road illuminating lamp, and described information is launched with the form of light signal by described road illuminating lamp again.
Principle of work of the present invention is: when the vehicle being equiped with described first information transceiver module 1 travels on the road being provided with described road illuminating lamp, if when the car owner of described vehicle needs to 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 after described automobile computer 12 is encoded.The signal receiver 21 of described road illuminating lamp converts described light signal to electric signal, then described controller 22 is sent to, described server 3 is sent to by network again after described controller 22 loading position information, described server 3 is by can be calculated the best driving path of vehicle, then described best run routing information is passed to described road illuminating lamp again by network, described road illuminating lamp launches 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, this information is sent to described information input-output unit 11 to show, just navigation feature is realized.
In addition, described server 3 can send to the described road illuminating lamp such as traffic information, transport information, Weather information or advertising message by network, and then is released by described road illuminating lamp; Or write demand information by described input-output unit 11 and be sent to described server 3, described traffic information, transport information or Weather information etc. feed back according to described demand information by described server 3 again, thus can be car owner and provide many services.Because the present invention mainly utilizes light signal to carry out information transmission, avoid and undertaken transmitting by electromagnetic wave in prior art and the electromagnetic radiation pollution produced, avoid the harm of electromagnetic wave to human body; Described first information transceiver module 1 takes full advantage of the equipment such as existing automobile computer 12 and car light 13 in automobile, and described second signal dispatcher module 2 takes full advantage of existing LED road lighting lamp apparatus, and thus input cost is low, easy to utilize.Because described road lighting lamp is arranged on by road, position data is comparatively accurate, and thus positioning precision of the present invention is higher than existing GPS (GPS) positioning precision.
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 the second signal dispatcher module 2, just can be vehicle and navigation information is provided, it makes full use of existing lamp source, compared with existing GPS navigation, its positioning precision is high, 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 is only schematic, instead of it is restrictive, those of ordinary skill in the art is under enlightenment of the present invention, do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, such as, described first information transceiver module 1 is arranged on handheld terminal or described first information transceiver module 1 is provided with emission of radio frequency signals unit etc. for launching described request signal, these all belong within protection scope of the present invention.
Claims (6)
1. based on a Vehicular navigation system for visible light communication, it is characterized in that: comprise first information transceiver module and the second signal dispatcher module, described first information transceiver module is used for described second signal dispatcher module transmission request information; Described second signal dispatcher module is used for according to described request information, feed back to described first information transceiver module, wherein, described request information is the form transmission with light signal, described request information is one or more in destination information, traffic information, transport information, Weather information or advertising message, described first information transceiver module is arranged on the vehicles or handheld terminal, described first information transceiver module is provided with the light source for launching described request signal, and described light source is car light.
2. the Vehicular navigation system based on visible light communication according to claim 1, it is characterized in that: described first information transceiver module comprises information input-output unit, signal receiving unit, automobile computer and described car light, described information input-output unit for input described request information and by obtain information displaying out; Described automobile computer is used for the information sent according to described information input-output unit, and the sudden strain of a muscle 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 for receiving described second signal dispatcher module feedack.
3. the Vehicular navigation system based on visible light communication according to claim 2, is characterized in that: described signal receiving unit is provided with photoelectric commutator for receiving described feedback information or radio frequency receiver.
4. the Vehicular navigation system based on visible light communication according to claim 1, is characterized in that: described second signal dispatcher module is road illuminating lamp.
5. the Vehicular navigation system based on visible light communication according to claim 4, it is characterized in that: described road illuminating lamp comprises signal receiver, controller, modulator, driver and light emitting diode matrix, described signal receiver 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 level modulated signals, and described driver drives light emitting diode matrix to launch the light signal containing information under the control of level modulated signals.
6. the Vehicular navigation system based on visible light communication according to claim 5, it is characterized in that: the described Vehicular navigation system based on visible light communication also comprises the server be connected with described second signal dispatcher module by network, described server is used for sending information to described road illuminating lamp, and described information is launched with the form of light signal by described road illuminating lamp again.
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Families Citing this family (8)
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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 |
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 |
CN106842126B (en) * | 2017-02-08 | 2023-11-03 | 广东昭信照明科技有限公司 | Positioning navigation system based on visible light communication |
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 |
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 |
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 |
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Effective date of registration: 20150911 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Applicant after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Applicant before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |