Optical wireless communication method for highway
A technology of optical wireless communication and highway, applied in the field of optical communication, can solve the problems of not being as widely used as microwave communication, inability to penetrate non-transparent objects, weak penetration of optical wireless communication, etc., to achieve large-scale application and low communication delay , the effect of effective control
Active Publication Date: 2018-09-04
SOUTHEAST UNIV
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Problems solved by technology
However, the link of the optical wireless communication system passes through the atmospheric channel, which is greatly affected by the weather. At the same time, the optical wireless communication has the disadvantage of weak penetration and cannot penetrate non-transparent objects, so it is not as widely used as microwave communication.
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[0024] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.
[0025] The invention provides a road optical wireless communication method. The specific steps are as follows: firstly, an area is defined on the road surface of the road, an optical communication area is set, and then an optical wireless communication road surface unit is set in the area; An optical wireless communication vehicle-mounted unit is set, and when the vehicle passes through the area, information exchange occurs between the optical wireless communication road ...
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The invention discloses an optical wireless communication method for highway, comprising the following steps of: first designating an area on the highway, than setting an optical wireless communication surface unit in the area, and setting an optical wireless communication vehicular unit in the proper position for the vehicle at the same time, so that information interaction is performed between the optical wireless communication surface unit and the optical wireless communication vehicular unit when a vehicle passes through the area. By using the optical wireless communication technology, theinvention is capable of transmitting a great deal of information within a time that a vehicle passes through the specific area, maintaining high transmission rate while having a high capacity of resisting disturbance, and further precisely locating the vehicle for performing real-time information collection for the vehicle passing through the optical wireless communication surface unit.
Description
technical field [0001] The invention belongs to the technical field of optical communication, in particular to a short-distance wireless optical communication transmission method. Background technique [0002] As a new type of wireless communication technology, optical wireless communication can realize broadband transmission without spectrum use license, and is resistant to electromagnetic interference and has good confidentiality. The light source for optical wireless communication also has the advantages of low power consumption, long life, and low price. [0003] In the optical wireless communication system, LED is used as the light source at the transmitting end, and a photodetector (PD) is used at the receiving end for receiving. However, the link of the optical wireless communication system passes through the atmospheric channel, which is greatly affected by the weather. At the same time, the optical wireless communication has the disadvantage of weak penetration and...
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IPC IPC(8): H04B10/114H04B10/116H04B10/50H04B10/516H04B10/60
CPCH04B10/1143H04B10/116H04B10/502H04B10/516H04B10/60
Inventor 张在琛王海卜吴亮党建
Owner SOUTHEAST UNIV