CN102075893A - Emergency communication system and method based on wireless cellular network and Ad-hoc network - Google Patents
Emergency communication system and method based on wireless cellular network and Ad-hoc network Download PDFInfo
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Abstract
The invention provides an emergency communication system based on a wireless cellular network and an Ad-hoc network. The emergency communication system comprises a network control terminal and a communication terminal which communicate with each other through an Ad-hoc network. The invention also provides an emergency communication method based on the wireless cellular network and the Ad-hoc network. The method comprises a conventional communication mode and an emergency communication mode. In the conventional communication mode, data is exchanged through a mobile cellular telephone network; and in the emergency communication mode, data is exchanged through the Ad-hoc network. The system is used flexibly and conveniently, communication of the Ad-hoc network with the outside can be kept in various sudden events, a complete wireless communication network is established quickly, dead zone is prevented and rescue effect is optimized.
Description
Technical field
The present invention relates to a kind of emergency communication method and communicator, particularly relate to emergency communication system and method based on wireless cellular network and Ad-hoc net.
Background technology
China is the multiple country of natural calamity, and natural calamities such as earthquake, flood, the typhoon that passes by happen occasionally.Especially in recent years, major disaster sexual behavior parts such as ice and snow is sudden and violent, special violent earthquake, extraodinary flood, mud-rock flow, mine disaster frequently take place, and have caused massive losses for human life and property.China tackles similar accident at present, and the emergency communication technology mainly contains following several:
The emergency communication of landline telephone mode
Advantages such as landline telephone has wide coverage, and audient colony is big.Generally speaking, fixed telephone network all is the preferred network of emergency communication, and reason is that its expense is lower, capacity is bigger.As our urgent calls such as usually said 110,119,122, be exactly a kind of traditional emergency communication means in fact.But its shortcoming is landline telephone and is subjected to the restriction of cable that in case in case of emergency cable is damaged, then communication will stop, and repairing efficiency is long.
Mobile cellular telephone
GSM and CDMA technology are the topmost access waies of present Emergency communication vehicle, and its advantage is that transmission speed is fast, and infrastructure is complete, and use cost is low, and transfer of data is reliable, and the error rate is low.Shortcoming is that bandwidth is less, for special applications, and as the image of biography high definition, or the data transmission capacity of the big bandwidth of needs, it is awkward that GSM and CDMA technology just seem.
The satellite emergency communication
Satellite communication have communication distance far away, cover the region and extensively, be not subjected to the irrelevant characteristics such as networking flexibility that reach of geographical conditions restriction, investment and communication distance, be highly susceptible to realizing telecommunication, be a kind of important means of modern communications, obtained extensive use in the whole world.Have characteristics motor-driven, flexible, that implementation is good simultaneously, when major natural disasters take place, when ground line was damaged, satellite communication often can have been brought into play unique effect.But already there are some shortcomings in satellite communication simultaneously, and to having relatively high expectations of technology and equipment, the satellite equipment system cost is higher, and it is more high that satellite is rented link cost, and these problems have a strong impact on popularizing of it.
Emergency set communication
Radiothermy (wavelength is at 10-100m, and frequency is at the electromagnetic wave of 3-30MHz) carries out radio communication and is called short wave communication.The development of short frequency adaptive technique and application have greatly improved the reliability and the validity of short wave communication.Self adaptation emergency set equipment volume is little, and easy transportation and installation are simple to operate, relatively is fit to motor-driven communication and uses, and shortcoming is that frequency resource is limited, is subjected to landform, landforms, weather effect bigger, and communication quality is difficult to be protected simultaneously.
We also do not set up the perfect emergency communication system of a cover at present, the rescue technical development is slower, the rescue communication equipment is also relatively backward, for example in May in 2008 Sichuan on the 12nd special violent earthquake rescue action, satellite communication network is in state of paralysis fully in early stage, and the early warning from satellite private network that all departments set up is a system that is similar to sealing, because of independent separately, do not connect mutually, make domestic ten hundreds of satellite car become ornaments.Because satellite system and fixed network, mobile network disconnect substantially, even if the communication network in disaster area can be repaired fast, still exist whole process or large tracts of land to cover the problem that is difficult to realize, seriously hindered the progress of the disaster relief.
How to successfully manage this accident that class destructive power is strong, breakdown speed is fast fast, become pendulum extremely urgent problem in face of us.Therefore, develop a kind of emergency communication platform that functions such as real-time video transmission, voice call, GPS location can be provided under adverse circumstances, set up the broadband emergency system that both pictures and texts are excellent, multiple communication mode is cooperated mutually, multiple business is merged, and can provide " at ordinary times " and " wartime " two states, improving the very first time is that in-situ data efficient is obtained in emergency command, carry out smoothly promoting rescue work, finish whole rescue action and have crucial meaning.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of prior art, a kind of emergency communication system based on wireless cellular network and Ad-hoc net is provided, this system grasps burst accident real-time condition and fast reaction commander flexibly in large-scale accident.
Another object of the present invention is to provide a kind of emergency communication method based on wireless cellular network and Ad-hoc net.
In order to achieve the above object, the present invention is by the following technical solutions:
Emergency communication system based on wireless cellular network and Ad-hoc net, described emergency communication system comprises net control terminal and communication terminal, described net control terminal and communication terminal communicate by the Ad-hoc network, described net control terminal comprises the communication control management module, the Ad-hoc network management module, the satellite communication module, the data collection analysis module, power supply and input and output human-computer interaction module, described communication control management module is used to control Ad-hoc network management module and satellite communication module, described Ad-hoc network management module is supported the Ad-hoc networking mode, under the emergency communication pattern, set up into the Ad-hoc network and carry out data communication with all communication terminals, by the Ad-hoc network management module, net control terminal receives the voice of each node transmission, video, temperature humidity information, communication module is passed to maneuvering platform via satellite again, and the Ad-hoc network management module also is used for the Ad-hoc network management, user's access authentication; Described satellite communication module is used for communicating with satellite, and the data of network collection are transferred to maneuvering platform via satellite; Described data collection analysis module is used to analyze the data of collection in worksite, manages whole Ad-hoc network according to the instruction of commanding in the rear platform,
Described communication terminal specifically comprises:
Whether now communication control module is used to detect communication link fault, the switching between the control communication pattern;
Mobile communication module is used for the user and inserts mobile cellular network, carries out the registration of SIM user profile, voice call, and described mobile communication module comprises interconnective antenna for base station and cell phone system;
Mobile cellular telephony network is used to mobile communication module to provide to comprise the communication service of speech, data, video image;
The Ad-hoc mixed-media network modules mixed-media is supported the Ad-hoc networking mode, is used to insert the Ad-hoc network and carries out data communication, and voice, video, temperature humidity information are arrived net control terminal by Network Transmission;
Voice module is used to realize the speech data encoding and decoding, for system voice communication provides support;
The video signal collective module is used for collection communication live video information and video information is compressed, and is transferred to net control terminal;
The temperature humidity sensing module is used for collecting temperature and humidity information, by net control terminal via satellite communication module be transferred to maneuvering platform;
The GPS module is used for gathering geographic position information, also is used to the location navigation of communication terminal, by net control terminal via satellite communication module be transferred to maneuvering platform;
Auxiliary device;
Power module is used to the whole system power supply, adopts the high-energy storage battery, and carries stand-by power supply and change in good time, guarantees the supply of electric energy;
Described communication control module respectively with described mobile communication module in cell phone system, Ad-hoc mixed-media network modules mixed-media, voice module, video signal collective module, temperature humidity sensing module, GPS module, auxiliary device interconnect; Antenna for base station and mobile cellular telephony network in the described mobile communication module interconnect; Described Ad-hoc mixed-media network modules mixed-media intercoms mutually with the Ad-hoc network.
Described mobile cellular telephony network comprises the GSM network, based on the 3G network and the mobile radio networks of future generation of WCDMA, CDMA2000 and TD-SCDMA technology.
The acentric self-organizing network that described Ad-hoc network is made of each communication terminal and net control terminal.
The communication mode of described Ad-hoc network comprises WIFI, ZigBee, Bluetooth wireless communication mode.
Emergency communication method based on wireless cellular network and Ad-hoc net said method comprising the steps of:
(1) after communication terminal started, whether the signal that the cell phone system in the mobile communication module detects cellular phone network existed, and existed if detect signal, and communication terminal then enters the general communication pattern, otherwise communication terminal enters the emergency communication pattern;
(2) under the general communication pattern, communication control module carries out voice communication by cellular phone network by voice module, when the general communication link breaks down, be that cell phone system detects the signal less than cellular phone network, communication terminal then automatically switches to the emergency communication pattern by communication control module;
(3) communication terminal enters after the emergency communication pattern, open the Ad-hoc mixed-media network modules mixed-media, the communication node of the Ad-hoc network around the Ad-hoc mixed-media network modules mixed-media detects, and join the Ad-hoc network and communicate, under the emergency communication pattern, the Ad-hoc network management module of net control terminal manages the Ad-hoc network, communication terminal receives the control command of net control terminal, unlatching video signal collective module, temperature humidity acquisition module, GPS module are carried out data acquisition, and data are arrived net control terminal by the Ad-hoc Network Transmission;
(4) net control terminal is analyzed the data of gathering by the data collection analysis module, and the result that will analyze communication module and the external world carries out data communication via satellite, and described data communication comprises voice, video, GPS geography information and temperature humidity information.
Communication terminal in the described step (3) enters after the emergency communication pattern, and communication terminal carries out voice communication, video telephone communications and gps data communication with the arbitrary communication terminal that joins in the Ad-hoc network.
In the Ad-hoc network, each communication terminal is born the role of router and main frame simultaneously, and communication terminal carries out route discovery as the relevant Routing Protocol of router operation, advance operations such as route maintenance, the information that receives is transformed.Net control terminal is collected the data that each node is gathered as the Control Node of Ad-hoc network, and communication sends maneuvering platform to via satellite.Therefore, can ensure under the emergency communication occasion that the Ad-hoc network keeps communicating by letter with the external world in various accidents.
The present invention compares with the existing communication technology, has following advantage and effect:
1, the present invention adopts wireless cellular network and two kinds of communication patterns of wireless Ad hoc network, respectively matching convention communication situation and emergency communication occasion.
2, emergency communication system based on wireless cellular network and Ad-hoc net of the present invention is flexible and convenient to use, when the burst disaster takes place, detecting mobile cellular network as system interrupts, just can form an interim wireless ad-hoc network fast, get in touch with other each user and rescue personnel, the real-time Transmission information of suffering from disaster, video information etc., realize between the disaster relief personnel, disaster relief personnel cooperate with the communication between the disaster-stricken crowd, backstage contingency management platform is set up fast in rear end headquarter, the audio/video information of sending back by front end obtains the overall condition of disaster fast, understand disaster-stricken degree, making rescue adjustment and goods and materials in real time carries, improve the efficient of rescue, will certainly be rescue of life, guarantee human life safety is made huge contribution, and its social benefit and value are inestimable.
3, system of the present invention can also with other communication (as satellite communication, bluetooth) collaborative work, under case of emergency, set up a perfect cordless communication network fast, reach none blind area, ensure the rescue best resultsization.
Description of drawings
Fig. 1 is the structural representation of communication terminal of the present invention;
Fig. 2 is the structural representation of net control terminal of the present invention;
Fig. 3 is a general communication pattern diagram of the present invention;
Fig. 4 is an emergency communication pattern diagram of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is done further detailed narration, but embodiments of the present invention are not limited thereto.
Embodiment 1
Fig. 1 is the communication terminal structural representation, and described communication terminal specifically comprises:
Whether now communication control module is used to detect communication link fault, the switching between the control communication pattern;
Mobile communication module is used for the user and inserts mobile cellular network, carries out the registration of SIM user profile, voice call, and described mobile communication module comprises interconnective antenna for base station and cell phone system;
Mobile cellular telephony network is used to mobile communication module to provide to comprise the communication service of speech, data, video image;
The Ad-hoc mixed-media network modules mixed-media is supported the Ad-hoc networking mode, is used to insert the Ad-hoc network and carries out data communication, and voice, video, temperature humidity information are arrived net control terminal by Network Transmission;
Voice module is used to realize the speech data encoding and decoding, for system voice communication provides support;
The video signal collective module is used for collection communication live video information and video information is compressed, and is transferred to net control terminal;
The temperature humidity sensing module is used for collecting temperature and humidity information, by net control terminal via satellite communication module be transferred to maneuvering platform;
The GPS module is used for gathering geographic position information, also is used to the location navigation of communication terminal, by net control terminal via satellite communication module be transferred to maneuvering platform;
Auxiliary device;
Power module is used to the whole system power supply, adopts the high-energy storage battery, and carries stand-by power supply and change in good time, guarantees the supply of electric energy;
Described communication control module respectively with described mobile communication module in cell phone system, Ad-hoc mixed-media network modules mixed-media, voice module, video signal collective module, temperature humidity sensing module, GPS module, auxiliary device interconnect; Antenna for base station and mobile cellular telephony network in the described mobile communication module interconnect; Described Ad-hoc mixed-media network modules mixed-media intercoms mutually with the Ad-hoc network.
Described mobile cellular telephony network comprises the GSM network, based on the 3G network and the mobile radio networks of future generation of WCDMA, CDMA2000 and TD-SCDMA technology.
The acentric self-organizing network that described Ad-hoc network is made of each communication terminal and net control terminal.
The communication mode of described Ad-hoc network comprises WIFI, ZigBee, Bluetooth wireless communication mode.
Fig. 2 is the structural representation of net control terminal, described net control terminal comprises the communication control management module, the Ad-hoc network management module, the satellite communication module, the data collection analysis module, power supply and be used for the data input and output of network enabled control terminal and the equipment of man-machine interaction, described communication control management module is used to control Ad-hoc network management module and satellite communication module, described Ad-hoc network management module is supported the Ad-hoc networking mode, under the emergency communication pattern, set up into the Ad-hoc network and carry out data communication with all communication terminals, by the Ad-hoc network management module, net control terminal receives the voice of each node transmission, video, temperature humidity information, communication module is passed to maneuvering platform via satellite again, and the Ad-hoc network management module also is used for the Ad-hoc network management, user's access authentication; Described satellite communication module is used for communicating with satellite, and the data of network collection are transferred to maneuvering platform via satellite; Described data collection analysis module is used to analyze the data of collection in worksite, manages whole Ad-hoc network according to the instruction of commanding in the rear platform, and power supply provides supply voltage for whole net control terminal.
Described communication control management module is respectively with Ad-hoc network management module, satellite communication module, data collection analysis module and be used for the data input and output of network enabled control terminal and the equipment of man-machine interaction interconnects.
Fig. 3 is the general communication pattern diagram, and under the general communication mode, the function of communication terminal is the same with common cell-phone function, inserts mobile cellular telephony network and carries out voice communication.
Fig. 4 is the emergency communication pattern diagram, and when the general communication link broke down, promptly the cell phone system module detected less than the cellular phone network signal, and system then automatically switches to the emergency communication mode.
Based on the emergency communication method of wireless cellular network and Ad-hoc net, this method step comprises:
(1) after communication terminal started, whether the cell phone system module detected the cellular phone network signal and exists, if detect signal, system enters the general communication mode, otherwise system enters the emergency communication mode;
(2) under the general communication mode, the function of communication terminal is the same with common cell-phone function, insert mobile cellular network and carry out voice communication, when the general communication link breaks down (the cell phone system module detects less than the cellular phone network signal), system then automatically switches to the emergency communication mode;
(3) if terminal starts the emergency communication mode under the general communication mode, then switch to the emergency communication mode; If terminal is closed the emergency communication mode, then switch back the general communication mode;
(4) communication terminal enters after the emergency communication mode, open the Ad-hoc mixed-media network modules mixed-media, the communication node of the Ad-hoc network around the Ad-hoc mixed-media network modules mixed-media detects, joining the Ad-hoc network communicates, as shown in Figure 4, under the emergency communication mode, arrange that preferably a net control terminal manages the Ad-hoc network, communication terminal receives the control command of net control terminal, unlatching video acquisition module, temperature humidity acquisition module, GPS module are carried out data acquisition, and data are arrived net control terminal by the Ad-hoc Network Transmission;
(5) under the emergency communication mode, net control terminal carries out data communication with the external world via satellite, comprises voice, video, GPS geography information and temperature humidity information;
(6) after communication terminal enters the emergency communication mode, can carry out voice communication, video telephone communications and gps data communication with the arbitrary communication terminal that joins in the Ad-hoc network.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any restriction; protection scope of the present invention also is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; to any modification, equivalent variations and the modification that above embodiment did, all still belong to protection scope of the present invention.
Claims (7)
1. based on the emergency communication system of wireless cellular network and Ad-hoc net, it is characterized in that, described emergency communication system comprises net control terminal and communication terminal, described net control terminal and communication terminal communicate by the Ad-hoc network, described net control terminal comprises the communication control management module, the Ad-hoc network management module, the satellite communication module, the data collection analysis module, power supply and input and output human-computer interaction module, described communication control management module is used to control Ad-hoc network management module and satellite communication module, described Ad-hoc network management module is supported the Ad-hoc networking mode, under the emergency communication pattern, set up into the Ad-hoc network and carry out data communication with all communication terminals, by the Ad-hoc network management module, net control terminal receives the voice of each node transmission, video, temperature humidity information, communication module is passed to maneuvering platform via satellite again, and the Ad-hoc network management module also is used for the Ad-hoc network management, user's access authentication; Described satellite communication module is used for communicating with satellite, and the data of network collection are transferred to maneuvering platform via satellite; Described data collection analysis module is used to analyze the data of collection in worksite, manages whole Ad-hoc network according to the instruction of commanding in the rear platform.
2. the emergency communication system based on wireless cellular network and Ad-hoc net according to claim 1 is characterized in that described communication terminal specifically comprises:
Whether now communication control module is used to detect communication link fault, the switching between the control communication pattern;
Mobile communication module is used for the user and inserts mobile cellular network, carries out the registration of SIM user profile, voice call, and described mobile communication module comprises interconnective antenna for base station and cell phone system;
Mobile cellular telephony network is used to mobile communication module to provide to comprise the communication service of speech, data, video image;
The Ad-hoc mixed-media network modules mixed-media is supported the Ad-hoc networking mode, is used to insert the Ad-hoc network and carries out data communication, and voice, video, temperature humidity information are arrived net control terminal by Network Transmission;
Voice module is used to realize the speech data encoding and decoding, for system voice communication provides support;
The video signal collective module is used for collection communication live video information and video information is compressed, and is transferred to net control terminal;
The temperature humidity sensing module is used for collecting temperature and humidity information, by net control terminal via satellite communication module be transferred to maneuvering platform;
The GPS module is used for gathering geographic position information, also is used to the location navigation of communication terminal, by net control terminal via satellite communication module be transferred to maneuvering platform;
Auxiliary device;
Power module is used to the whole system power supply, adopts the high-energy storage battery, and carries stand-by power supply and change in good time, guarantees the supply of electric energy;
Described communication control module respectively with described mobile communication module in cell phone system, Ad-hoc mixed-media network modules mixed-media, voice module, video signal collective module, temperature humidity sensing module, GPS module, auxiliary device interconnect; Antenna for base station and mobile cellular telephony network in the described mobile communication module interconnect; Described Ad-hoc mixed-media network modules mixed-media intercoms mutually with the Ad-hoc network.
3. the emergency communication system based on wireless cellular network and Ad-hoc net according to claim 2, it is characterized in that, described mobile cellular telephony network comprises the GSM network, based on the 3G network and the mobile radio networks of future generation of WCDMA, CDMA2000 and TD-SCDMA technology.
4. the emergency communication system based on wireless cellular network and Ad-hoc net according to claim 1 and 2 is characterized in that described Ad-hoc network is the acentric self-organizing network that each communication terminal and net control terminal constitute.
5. the emergency communication system based on wireless cellular network and Ad-hoc net according to claim 4 is characterized in that the communication mode of described Ad-hoc network comprises WIFI, ZigBee, Bluetooth wireless communication mode.
6. based on the communication means of the emergency communication system of wireless cellular network and Ad-hoc net, it is characterized in that, said method comprising the steps of:
(1) after communication terminal started, whether the signal that the cell phone system in the mobile communication module detects cellular phone network existed, and existed if detect signal, and communication terminal then enters the general communication pattern, otherwise communication terminal enters the emergency communication pattern;
(2) under the general communication pattern, communication control module carries out voice communication by cellular phone network by voice module, when the general communication link breaks down, be that cell phone system detects the signal less than cellular phone network, communication terminal then automatically switches to the emergency communication pattern by communication control module;
(3) communication terminal enters after the emergency communication pattern, open the Ad-hoc mixed-media network modules mixed-media, the communication node of the Ad-hoc network around the Ad-hoc mixed-media network modules mixed-media detects, and join the Ad-hoc network and communicate, under the emergency communication pattern, the Ad-hoc network management module of net control terminal manages the Ad-hoc network, communication terminal receives the control command of net control terminal, unlatching video signal collective module, temperature humidity acquisition module, GPS module are carried out data acquisition, and data are arrived net control terminal by the Ad-hoc Network Transmission;
(4) net control terminal is analyzed the data of gathering by the data collection analysis module, and the result that will analyze communication module and the external world carries out data communication via satellite, and described data communication comprises voice, video, GPS geography information and temperature humidity information.
7. the emergency communication method based on wireless cellular network and Ad-hoc net according to claim 6, it is characterized in that, communication terminal in the described step (3) enters after the emergency communication pattern, and communication terminal carries out voice communication, video telephone communications and gps data communication with the arbitrary communication terminal that joins in the Ad-hoc network.
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| CN112188463A (en) * | 2020-09-25 | 2021-01-05 | 江苏恒宝智能系统技术有限公司 | Emergency communication fusion scheduling method and system |
| CN112188464A (en) * | 2020-09-25 | 2021-01-05 | 江苏恒宝智能系统技术有限公司 | Short-wave emergency communication system and method |
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| CN113098581A (en) * | 2021-03-22 | 2021-07-09 | 南京熊猫电子股份有限公司 | Communication method of vehicle-mounted satellite communication terminal and vehicle-mounted satellite communication terminal system |
| CN113098581B (en) * | 2021-03-22 | 2023-09-22 | 南京熊猫电子股份有限公司 | Communication method of vehicle-mounted satellite communication terminal and vehicle-mounted satellite communication terminal system |
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