CN111526507B - Beidou satellite-based emergency system, mobile internet-based emergency informatization platform and emergency processing method - Google Patents

Beidou satellite-based emergency system, mobile internet-based emergency informatization platform and emergency processing method Download PDF

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CN111526507B
CN111526507B CN202010212556.2A CN202010212556A CN111526507B CN 111526507 B CN111526507 B CN 111526507B CN 202010212556 A CN202010212556 A CN 202010212556A CN 111526507 B CN111526507 B CN 111526507B
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CN111526507A (en
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林锋
张诗友
吴淦浩
王锦华
杨慧敏
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China ComService Construction Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • H04B7/18513Transmission in a satellite or space-based system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • H04B7/18519Operations control, administration or maintenance

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Abstract

The invention discloses an emergency processing method, wherein after an emergency event occurs, a field emergency team collects information to form emergency information; the field handheld terminal uploads the emergency information to the operation management unit through the Beidou satellite network and the operator network; the operation management unit transmits the emergency information to the command center server, the command center server sends a scheduling command according to the emergency information, and the scheduling command is uploaded to the operation management unit through the Beidou satellite network and the operator network and is transmitted to the field handheld terminal; and the field handheld terminal executes the scheduling command and performs evaluation feedback, and the operation management unit summarizes the evaluation feedback and performs adjustment. The emergency management system has the support capability for the whole emergency management process, can provide a quick emergency informatization solution, and has high mobility of command and decision departments and good communication effect. The invention also discloses an emergency system based on the Beidou satellite and an emergency informatization platform of the mobile internet.

Description

Beidou satellite-based emergency system, mobile internet-based emergency informatization platform and emergency processing method
Technical Field
The invention relates to the field of emergency information processing, in particular to an emergency information platform and an emergency processing method based on an emergency system and a mobile internet of a Beidou satellite.
Background
At present, the emergency industry is rapidly emerging and continuously developed in China, wherein emergency informatization is the most critical link. In the presence of sudden disasters, how to quickly, effectively and conveniently collect, analyze, process and release emergency information influences the life and property safety of the nation and people.
However, the existing emergency treatment system has the following defects:
after experiencing a serious blast from a series of major emergencies, the U.S. government adopted an emergency management informatization innovation based on government emergency telecommunication service plans, commercial network survivability plans, commercial satellite communication interconnection plans and communication priority service plans. At present, the united states basically forms a direct leader of the headquarters, and the federal emergency administration (FEMA) is a core emergency information system, which becomes one of the most productive countries of the emergency informatization construction at present.
In China, an emergency command decision-making system is basically built and operated, and an emergency organization management and command system basically realizes the conversion of management functions from dispersion to concentration, management modes from experience management to scientific management, important work points from reprocessing to monitoring, early warning and emergency disposal, and a coordination mechanism from single department to cross-department coordination linkage. At present, the achievement of emergency informatization is as follows: the network and the technical environment are basically perfect, and each subsystem of the infrastructure except the safety guarantee system is also provided with more subsystems; communication modes are gradually diversified and efficient, and video call technology is mature and applied gradually; people, property and thing guarantee mechanisms and related system guarantees are also increasingly perfected.
However, because the emergency information research in China is started later, some defects still exist, which are mainly reflected in the following aspects:
1. lack of linkage. And due to the lack of an information sharing linkage platform, most of information is in an 'information isolated island', and other assisting groups are separated.
2. There is a lack of uniform technical standards. The construction of the emergency informatization supporting platform is not supported by a uniform technical standard.
3. Organizing informatization space-time. Most emergency information systems have no or lack of effective support of an organization personnel management information system, so that disorder such as responsibility definition, audit and accountability, business circulation and the like are caused, and the organization is low.
4. The emergency information is lacking. At present, most emergency information systems provide limited and mechanized information, lack decision-making operation information and need to be enhanced in the aspect of intellectualization.
5. The emergency early warning problem lacks a real-time acquisition means for data required by emergency communication guarantee, lacks an intelligent and automatic early warning and plan system, and lacks an efficient information publishing mechanism.
6. The problem of dynamic management, emergency guarantee command and dispatch mainly rely on traditional communication means, the means is single, the reliability is lower, diversified and internet IT support is lacked, and real-time, reliable and dynamic management cannot be realized.
7. The problem of data analysis, information and data fragmentation are serious, effective evaluation and precipitation cannot be achieved, and a unified data platform capable of analyzing and mining and a view for carrying out comprehensive situation presentation are lacked.
8. The existing emergency system is still lack of effective technical means, and when a communication operator network is interrupted due to a special emergency scene, heavy weather or geological disaster, a field emergency team is disconnected with a command center, so that the problem of emergency command and scheduling management is always solved.
9. The disaster situation control problem relates to the problem that roads are easy to break when disasters such as flood, earthquake, collapse and the like occur. Emergency team members need to pass through disaster areas on foot, and great difficulties exist in emergency personnel safety guarantee, timely mastering of disaster conditions and establishment of follow-up disaster-resistant schemes.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an emergency information platform and an emergency processing method based on an emergency system of a Beidou satellite and a mobile internet, which can solve the problem of linkage deficiency.
One of the purposes of the invention is realized by adopting the following technical scheme:
the utility model provides an emergency processing method, is applied to the emergency system based on big dipper satellite, and the emergency system based on big dipper satellite includes big dipper satellite, big dipper ground master station, application network basic station, on-the-spot handheld terminal, command center service end, operation management unit that are used for realizing communication, and big dipper satellite, big dipper ground master station and application network basic station form the integration of big dipper satellite network and operator's network, include following step:
a triggering step: after an emergency event occurs, collecting information by an on-site emergency team to form emergency information;
a response step: the field handheld terminal uploads the emergency information to the operation management unit through the Beidou satellite network and the operator network;
a treatment step: the operation management unit transmits the emergency information to the command center server, the command center server sends a scheduling command according to the emergency information, and the scheduling command is uploaded to the operation management unit through the Beidou satellite network and the operator network and is transmitted to the field handheld terminal;
and (3) evaluation and promotion steps: and the field handheld terminal executes the scheduling command and performs evaluation feedback, and the operation management unit summarizes the evaluation feedback and performs adjustment.
Further, in the triggering step, the emergency information collected by the on-site emergency team includes: location information, time information, event information, people number information.
Further, in the triggering step, the corresponding identification of the emergency information has an importance level, and the importance level is matched with a corresponding transmission priority level.
Further, in the response step, a monitoring unit with a monitoring function is configured on the field handheld terminal, and when the situation that the field handheld terminal is not on line is detected, the Beidou satellite network adjusts the information mode to be a short message.
Further, in the response step, a monitoring unit with a monitoring function is configured on the field handheld terminal, and when the fact that the field handheld terminal is on line and information transmission is needed is detected, the Beidou satellite network adjusts the information mode to be a voice mode or a video mode.
Further, in the disposing step, a positioning module is configured on the field handheld terminal, the position of the field handheld terminal is positioned through the positioning module and is transmitted to the operation management unit through the converged network, the operation management unit summarizes the position information of each field handheld terminal and forms a geographical map, and the geographical map is transmitted to the command center server.
Further, in the disposal step, the operation management unit collects and evaluates the multi-party emergency information to form a comprehensive situation chart, and sends the comprehensive situation chart to the command center server.
The utility model provides an emergency system based on big dipper satellite, including the big dipper satellite that is used for realizing communication, big dipper ground master station, application network basic station, on-the-spot handheld terminal, command center service end, the operation management unit, big dipper satellite, big dipper ground master station and application network basic station form the integration of big dipper satellite network and operator's network, on-the-spot handheld terminal collects emergent information and transmits to the operation management unit through big dipper satellite network and operator's network, the operation management unit transmits emergent information to command center service end, command center service end sends the scheduling command according to emergent information, the scheduling command passes through big dipper satellite network and operator's network and uploads operation management unit and transmits to on-the-spot handheld terminal.
Furthermore, the on-site handheld terminal comprises a monitoring unit and a positioning module.
An emergency information platform of a mobile internet comprises an emergency system based on a Beidou satellite.
Compared with the prior art, the invention has the beneficial effects that:
1. after an emergency event occurs, an on-site emergency team collects information to form emergency information, the automatic early warning is realized, an efficient information issuing mechanism is adopted, the information communication is diversified, the real-time reliable dynamic management can be realized, and the disaster prevention, the disaster emergency and the post-disaster reconstruction are effectively implemented.
2. The method and the system realize multi-terminal cooperative command scheduling, realize mobile terminal aided decision, realize intelligent support of multiple technical means and support the whole network communication of an operator network and a Beidou communication network.
3. Multiple terminals are cooperatively applied. The system has the capability of supporting the whole process of emergency management, and can provide standardized emergency informatization service for parties, government, enterprises and public institutions.
4. The satellite communication service with high reliability, high safety and high quality can be provided for users.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an emergency processing method is applied to an emergency system based on a Beidou satellite, the emergency system based on the Beidou satellite comprises the Beidou satellite for realizing communication, a Beidou ground main station, an application network base station, a field handheld terminal, a command center server side and an operation management unit, and the Beidou satellite, the Beidou ground main station and the application network base station form the fusion of a Beidou satellite network and an operator network, and the emergency processing method comprises the following steps:
a triggering step: after an emergency event occurs, collecting information by an on-site emergency team to form emergency information; the intelligent and automatic early warning system has the advantages of intelligent and automatic early warning, high-efficiency information issuing mechanism, diversified information communication and real-time reliable dynamic management.
Specifically, in the triggering step, the emergency information collected by the field emergency team includes: location information, time information, event information, people number information. The method can accurately and rapidly collect, process, analyze and transmit the related disaster information, and effectively implement disaster prevention, disaster emergency and post-disaster reconstruction.
Specifically, in the triggering step, the corresponding identifier of the emergency information has an importance level, and the importance level is matched with a corresponding transmission priority level.
A response step: the field handheld terminal uploads the emergency information to the operation management unit through the Beidou satellite network and the operator network; the field handheld terminal is a tablet personal computer, a smart phone, a PC browser and other terminals and is cooperatively applied. The system has the capability of supporting the whole process of emergency management, and can provide standardized emergency informatization service for enterprises and public institutions.
Specifically, in the response step, a monitoring unit with a monitoring function is configured on the field handheld terminal, and when the situation that the field handheld terminal is not on line is detected, the Beidou satellite network adjusts the information mode into a short message. The monitoring unit with the monitoring function is configured on the field handheld terminal, and when the fact that the field handheld terminal is on line and needs information transmission is detected, the Beidou satellite network adjusts the information mode into a voice mode or a video mode. The existing emergency command user terminal ensures that the user terminal is on line for 7 × 24 hours, effective communication is kept, but the condition that whether the user terminal resides in a mobile communication network is not considered, and the communication channel of the Beidou satellite system is still occupied even if the mobile communication network is available, so that the waste of communication resources of the Beidou system is caused. According to the method and the system, network monitoring is carried out on the smart phone terminal of the user before communication, whether the smart phone terminal is resident in an available mobile network or not is judged, and short message communication is triggered by utilizing the Beidou system only when the user terminal does not have the available mobile network for communication, so that the Beidou system can be utilized in a targeted manner, and satellite resources are saved. How to effectively monitor and quickly judge the mobile network conditions of a plurality of terminals is an important problem of project research.
A treatment step: the operation management unit transmits the emergency information to the command center server, the command center server sends a scheduling command according to the emergency information, and the scheduling command is uploaded to the operation management unit through the Beidou satellite network and the operator network and is transmitted to the field handheld terminal;
specifically, in the disposing step, the positioning module is configured on the field handheld terminal, the position of the field handheld terminal is positioned through the positioning module and transmitted to the operation management unit through the converged network, and the operation management unit summarizes the position information of each field handheld terminal to form a geographical map and transmits the geographical map to the command center server. The operation management unit collects and evaluates the multi-party emergency information, forms a comprehensive situation chart and sends the comprehensive situation chart to the command center server. The problem of serious fragmentation of information and data is solved, effective evaluation and precipitation are realized, the uniformity is improved, and a data platform capable of analyzing and mining and a view for presenting comprehensive situations are provided.
And (3) evaluation and promotion steps: and the field handheld terminal executes the scheduling command and performs evaluation feedback, and the operation management unit summarizes the evaluation feedback and performs adjustment. The emergency information platform based on the Beidou satellite and the mobile internet is developed, a standardized emergency information solution is output, and the power-assisted client really realizes command motorization, decision mobility, support intellectualization and communication full networking of emergency management work.
From the application effect, the following advantages are provided:
(1) Realizing multi-terminal cooperative command scheduling;
(2) Realizing the auxiliary decision of the mobile terminal;
(3) The intelligent support of multiple technical means is realized;
(4) And the whole network communication of the operator network and the Beidou communication network is supported.
The utility model provides an emergency system based on big dipper satellite, including the big dipper satellite that is used for realizing communication, big dipper ground master station, application network basic station, on-the-spot handheld terminal, command center service end, the operation management unit, big dipper satellite, big dipper ground master station and application network basic station form the integration of big dipper satellite network and operator's network, on-the-spot handheld terminal collects emergent information and transmits to the operation management unit through big dipper satellite network and operator's network, the operation management unit transmits emergent information to command center service end, command center service end sends the scheduling command according to emergent information, the scheduling command passes through big dipper satellite network and operator's network and uploads operation management unit and transmits to on-the-spot handheld terminal. The problem that the field emergency team is disconnected with the command center when the network of a communication operator is interrupted due to serious weather or geological disasters is solved through the converged network, and the emergency command scheduling management is rapid, convenient and simple. The Beidou system has the functions of positioning, navigation and time service provided by the traditional satellite positioning system, also has the function of satellite short message communication, and can provide high-reliability, high-safety and high-quality satellite communication service for users.
Preferably, the on-site handheld terminal comprises a monitoring unit and a positioning module. The Beidou system is more adaptive to the environment, particularly in remote areas and environments such as oceans, frontier defense and forests, coverage areas of common mobile phone networks, radio stations, satellite phones and the like are limited, signals are weak, and a satellite short message communication function unique to the Beidou system is wide in coverage area and strong in signal stability. Through the support of the Beidou communication system, communication can be carried out with other Beidou terminals, common mobile phones, operation management platforms, emergency information platforms and the like through the Beidou satellite under the condition that the conventional communication means is invalid, high-reliability communication guarantee service is provided for users, and the requirements of the users on daily communication, emergency communication, monitoring command, comprehensive scheduling and other applications are met.
An emergency information platform of a mobile internet comprises an emergency system based on a Beidou satellite. The platform mainly utilizes the Beidou satellite communication function and various positioning methods including Beidou, mobile internet application, GIS maps and other advanced technologies, can support cooperative application of various terminals such as a tablet personal computer, a smart phone, a PC browser and the like, has the capability of supporting the whole emergency management process, and can provide standardized emergency information service for parties, government, military and enterprises and public institutions. And a closed-loop management is formed for emergency support work by utilizing the support means such as an applied mature information release mechanism, an emergency early warning system, resource management, a communication platform, field support, a command scheduling decision and a post-support evaluation system. The terminal application customization is oriented to target clients of different levels, and different application forms such as a large screen, a Beidou vehicle-mounted application, a smart phone application, a Beidou portable application and a tablet personal computer application are provided according to requirements.
The emergency system based on the Beidou satellite is provided with a load balancing unit, the emergency information service platform is deployed in a cloud platform mode, multiple terminals work in cooperation, the message queues are guaranteed not to be overloaded through the load balancing unit under the condition of high concurrency data, and the load balancing unit dynamically balances the load of the message queues based on a weight prediction model:
the weight prediction model distributes message weights for each type of messages based on processing time, calculates queue loads by using the message weights, and judges the queue states by combining a prediction algorithm. And taking the scheduling end time of the last time as a zero starting point by the model, counting the in-out queue message condition in a time period of 0-epsilon, calculating the queue load change and the system message processing capacity, and predicting a queue load change curve according to the information.
P message input queues are supposed to exist in the time period of 0-epsilon; q message output queues; n messages are arranged in the epsilon moment queue; pi represents the weight of the ith input message; qj represents the jth output message weight; rk represents the weight of the kth message in the queue. The queue input weight is equal to
Figure GDA0003875427720000111
The output weight is
Figure GDA0003875427720000112
The system processing capacity per unit time is
Figure GDA0003875427720000113
Queue weight at time epsilon
Figure GDA0003875427720000114
The average weight of the message is
Figure GDA0003875427720000115
Queue length L ε =N。
According to the information, the weight load of the prediction queue at the moment t is R t =R ε + D (t-epsilon), message length payload of
Figure GDA0003875427720000116
In the model, a queue has 3 states of light load, moderate load and overload, the queue length Lt is defined to be more than or equal to alpha M and is an overload state, lt is less than or equal to beta M and is a light load state, beta M < Lt < alpha M is a load moderate state (wherein alpha is an overload coefficient, beta is a light load coefficient, and M is queue capacity). When the load of the queue message at the time T is lighter, the queue message can become a load migration receiver; when the queue load is moderate, all current tasks can be digested at the local node, but overload queue load migration is not received; when the queue is in an overload state, the queue stops participating in task allocation and needs to perform load migration.
Specifically, emergency system based on big dipper satellite is provided with multilayer positioning unit, includes two in concrete application: satellite Radio Navigation systems (RNSS) and Satellite Radio Determination systems (RDSS). The method has the advantages that various positioning modes such as RDSS (radio position system) and RNSS (radio navigation system) of a GPS (global positioning system) and a Beidou system are integrated, a multi-level positioning mechanism is built on the smart phone and the Beidou terminal, the GPS and RDSS modes of equipment are mainly utilized for positioning on the smart phone and the Beidou portable terminal, and the resource is fully utilized for supporting positioning and navigation according to the characteristics of equipment and service requirements in an emergency scene.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (1)

1. The utility model provides an emergency processing method, is applied to the emergency system based on big dipper satellite, and the emergency system based on big dipper satellite includes big dipper satellite, big dipper ground master station, application network basic station, on-the-spot handheld terminal, command center service end, operation management unit, load balancing unit that are used for realizing communication, and big dipper satellite, big dipper ground master station and application network basic station form the integration of big dipper satellite network and operator's network, its characterized in that, includes following step:
a triggering step: after an emergency event occurs, collecting information by an on-site emergency team to form emergency information; emergency information collected by an on-site emergency team includes: location information, time information, event information, people number information; the corresponding identification of the emergency information has an important grade, and the important grade is matched with a corresponding transmission priority grade;
a response step: the field handheld terminal uploads the emergency information to the operation management unit through the Beidou satellite network and the operator network; the method comprises the steps that a monitoring unit with a monitoring function is configured on a field handheld terminal, and when the fact that the field handheld terminal is not on line is detected, the Beidou satellite network adjusts an information mode into a short message; configuring a monitoring unit with a monitoring function at a field handheld terminal, and when detecting that the field handheld terminal is on line and needs information transmission, fusing a communication network to adjust an information mode into a voice mode or a video mode;
a treatment step: the operation management unit transmits the emergency information to the command center server, the command center server sends a scheduling command according to the emergency information, and the scheduling command is uploaded to the operation management unit through the Beidou satellite network and the operator network and is transmitted to the field handheld terminal; the positioning module is configured on the field handheld terminals, the positions of the field handheld terminals are positioned through the positioning module and are transmitted to the operation management unit through the converged network, the operation management unit collects the position information of each field handheld terminal and forms a geographical map, and the geographical map is transmitted to the command center server; the positioning module is configured on the field handheld terminals, the positions of the field handheld terminals are positioned through the positioning module and are transmitted to the operation management unit through the converged network, the operation management unit collects the position information of each field handheld terminal and forms a geographical map, and the geographical map is transmitted to the command center server; the operation management unit collects and evaluates the multi-party emergency information to form a comprehensive situation chart, and sends the comprehensive situation chart to a command center server; the load balancing unit dynamically balances the load of the highly concurrent message queue by adopting a weight prediction model: the weight prediction model distributes message weights for each type of messages based on processing time, calculates queue loads by using the message weights, and judges queue states by combining a prediction algorithm;
supposing that P information input queues exist in the time period of 0-epsilon; q message output queues; n messages are arranged in the epsilon moment queue; pi represents the weight of the ith input message; qj represents the jth output message weight; rk represents the weight of the kth message in the queue; the queue input weight is then within the time period 0-epsilon
Figure FDA0003799843200000021
The output weight is
Figure FDA0003799843200000022
The system processing capacity per unit time is
Figure FDA0003799843200000023
Queue weight at time epsilon
Figure FDA0003799843200000024
The average weight of the message is
Figure FDA0003799843200000025
Queue length L ε =N;
According to the information, the weight load of the prediction queue at the moment t is R t =R ε + D (t-epsilon), message length payload of
Figure FDA0003799843200000026
In the model, a queue has 3 states of light load, moderate load and overload, the queue length Lt is defined to be more than or equal to alpha M and is an overload state, lt is less than or equal to beta M and is a light load state, beta M is less than Lt and is an alpha M and is a load moderate state (wherein alpha is an overload coefficient, beta is a light load coefficient, and M is queue capacity);
and (3) evaluation and promotion steps: and the field handheld terminal executes the scheduling command and performs evaluation feedback, and the operation management unit summarizes the evaluation feedback and performs adjustment.
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CN108307371A (en) * 2017-08-11 2018-07-20 芜湖航飞科技股份有限公司 Earthquake Emergency Commanding System based on the Big Dipper
CN110225505A (en) * 2019-06-14 2019-09-10 国智恒北斗科技集团股份有限公司 A kind of synthesis emergency command method and system based on 4G, Beidou

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WO2016183969A1 (en) * 2015-05-19 2016-11-24 中兴通讯股份有限公司 Emergency processing method, emergency commanding and dispatching station, and emergency commanding and dispatching system
CN107193024A (en) * 2017-06-22 2017-09-22 成都新橙北斗智联有限公司 Power emergency based on the Big Dipper is speedily carried out rescue work vehicle monitoring system
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