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Highway emergency communication network and method based on free space optical communication

A free space and highway technology, applied in free space transmission, traffic control system, traffic control system of road vehicles, etc., can solve the problem that cannot fully meet the specific needs of emergency rescue and accident handling, and achieve flexible and fast network establishment. , The effect of transparent protocol and strong multi-service support capability

Active Publication Date: 2012-08-29
BEIJING JIAOKE HIGHWAY SURVEYING DESIGN & RES INST
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Problems solved by technology

[0006] In summary, in the field of expressway emergency communication, the existing technical means cannot fully meet the specific needs of emergency rescue and accident handling

Method used

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  • Highway emergency communication network and method based on free space optical communication
  • Highway emergency communication network and method based on free space optical communication
  • Highway emergency communication network and method based on free space optical communication

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Embodiment Construction

[0032] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] Such as figure 1 A highway emergency communication network based on free space optical communication is shown, including emergency command center 101, regional communication station 102, fixed access point 103, active access point 105, data collection system 106, communication terminal 109, communication Terminal 110 , communication terminal 111 , communication terminal 112 , communication terminal 113 and relay forwarding point 104 . Among them, the communication terminal is used to collect accident scene information, including voice, video, data, etc., and the ...

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Abstract

The invention provides a highway emergency communication network based on free space optical communication. The highway emergency communication network based on the free space optical communication comprises a communication terminal, a data collection system, a movable access point, a fixed access point, an area communication station and an emergency command center, wherein the movable access point communicates with the fixed access point through an atmosphere channel provided by free space optical communication equipment. By utilizing the network provided by the invention, the instant communication between the emergency command center and field staff can be effectively realized when a highway accident happens; and the network provided by the invention has the advantages of high band width, flexibility and rapidness in network establishment, transparent protocol, strong multi-service support capability, low cost, interference resistance, safety, environmental friendliness, easiness for introduction and opening of an existing highway private communication network, no need of frequency application, and the like.

Description

technical field [0001] The invention relates to the field of emergency communication, in particular to a highway emergency communication network and method based on free space optical communication. Background technique [0002] With the rapid development of transportation, the mileage of expressways in our country has been increasing, which has improved the structure and efficiency of land transportation in our country, but it has also brought about the negative effect of increasing traffic accidents. Therefore, strengthening the construction of traffic emergency command and dispatching capabilities and improving the level of traffic emergency response are important issues facing my country's transportation industry. When a traffic accident occurs, it is the key to carry out accident rescue to grasp the specific information of the accident scene in the first time and establish an effective information exchange channel between the scene and the emergency command center. Thi...

Claims

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Application Information

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IPC IPC(8): H04B10/10G08G1/00H04B10/11
Inventor 罗沛樊薇刘见振王珣施强葛涛
Owner BEIJING JIAOKE HIGHWAY SURVEYING DESIGN & RES INST
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