CN114422942A - Mobile emergency communication system based on wireless ad hoc network technology - Google Patents
Mobile emergency communication system based on wireless ad hoc network technology Download PDFInfo
- Publication number
- CN114422942A CN114422942A CN202210093205.3A CN202210093205A CN114422942A CN 114422942 A CN114422942 A CN 114422942A CN 202210093205 A CN202210093205 A CN 202210093205A CN 114422942 A CN114422942 A CN 114422942A
- Authority
- CN
- China
- Prior art keywords
- information
- emergency communication
- mobile emergency
- hoc network
- mobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 310
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008520 organization Effects 0.000 claims abstract description 5
- 230000002159 abnormal effect Effects 0.000 claims description 41
- 238000010295 mobile communication Methods 0.000 claims description 39
- 238000012544 monitoring process Methods 0.000 claims description 21
- 230000006855 networking Effects 0.000 claims description 19
- 230000007613 environmental effect Effects 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 13
- 230000005856 abnormality Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000007781 pre-processing Methods 0.000 claims description 4
- 230000007774 longterm Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000007726 management method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Mobile Radio Communication Systems (AREA)
- Alarm Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
A mobile emergency communication system based on wireless ad hoc network technology belongs to the technical field of mobile emergency communication of wireless ad hoc network technology. The invention solves the problems that the existing emergency communication equipment can not provide accurate site information and rescue information for site rescue personnel and a control command center in time, and has high cost and single function. The mobile emergency communication system comprises a command control center, mobile emergency communication equipment and communication terminal equipment, wherein the command control center is used for decision and command of an emergency accident and transmitting deployment information to field rescue personnel or organization personnel for rescue; the command control center establishes a communication link with each mobile emergency communication device in an ad hoc network or public network access mode, and the communication terminal device actively or passively establishes a communication link with the mobile emergency communication device. The method can be applied to emergency communication in accident sites.
Description
Technical Field
The invention belongs to the technical field of mobile emergency communication of a wireless ad hoc network technology, and particularly relates to a mobile emergency communication system based on the wireless ad hoc network technology.
Background
In the rescue process of sudden natural disasters and artificial sudden emergencies, communication plays a vital role, so how to quickly establish a set of efficient communication system to ensure the stable communication of emergency commanders, rescuers and disaster victims is an important problem for emergency treatment.
At present, the mainstream emergency communication equipment mainly adopts mobile emergency communication, satellite communication or a single ad hoc network technology, but the technologies all have obvious defects and are difficult to meet the requirements of a complex accident rescue scene. For example: an emergency communication system based on the existing mobile communication network has low flexibility, communication capacity of a sudden disaster site is often unpredictable, and communication blockage is easily caused, so that the system is difficult to ensure effective information transmission, and meanwhile, the existing mobile communication network is difficult to provide effective communication service in a region where communication is damaged or a part of remote regions are damaged. Although the emergency communication system based on satellite communication has long transmission distance and high reliability, the emergency communication system has high construction and maintenance cost, has a certain hardware foundation and needs the cooperation of a large number of professional technicians. The single ad hoc network communication device is difficult to establish a communication link with a common device terminal in the rescue process, only can rely on a single private network for communication, faces a complicated and changeable accident site, is not beneficial to rescue workers to master all-around information of an accident area, and seriously influences the deployment and arrangement of the rescue workers.
In summary, the existing emergency communication device cannot provide accurate field information and rescue information to the field rescue personnel and the control command center in time, and has high implementation cost and single function, so in order to solve the above problems, it is necessary to provide a mobile emergency communication system which can provide accurate field information and rescue information to the field rescue personnel and the control command center in time and has low implementation cost.
Disclosure of Invention
The invention aims to solve the problems that the existing emergency communication equipment cannot provide accurate site information and rescue information for site rescue personnel and a control command center in time, and is high in cost and single in function, and provides a mobile emergency communication system based on a wireless ad hoc network technology.
The technical scheme adopted by the invention for solving the technical problems is as follows: a mobile emergency communication system based on wireless ad hoc network technology comprises a command control center, mobile emergency communication equipment and communication terminal equipment, wherein:
the mobile emergency communication equipment is arranged in an accident area, and is used as a relay node for emergency communication and used for acquiring environmental information and accident information in an emergency accident in real time;
the command control center is arranged in a safety area outside the accident area and used for decision and command of sudden accidents; the command control center establishes a communication link with each mobile emergency communication device in an ad hoc network or public network access mode;
the communication terminal equipment actively or passively establishes a communication link with the mobile emergency communication equipment;
the mobile emergency communication equipment comprises a central processor module, an information acquisition module, an information display module, a network access module, a special MESH network transceiver module, a transceiving antenna module and a satellite positioning module;
the central processor module integrates a storage unit, a control unit, a network processor unit and a data processor unit;
the storage unit stores computer instructions, and the control unit controls the network processor unit and the data processor unit to execute the computer instructions;
the information acquisition module comprises a sensor unit, the sensor unit is used for monitoring the surrounding environmental information of the mobile emergency communication equipment and sending the monitored abnormal environmental information and the position information of the mobile emergency communication equipment to the command control center through the ad hoc network communication link;
the information display module is used for displaying the monitored abnormal information;
the special MESH network transceiver module is used for establishing an ad hoc network communication link between the mobile emergency communication equipment and the communication terminal equipment and realizing the forwarding of data information;
the network access module comprises a WIFI unit, and the WIFI unit provides a network interface for the communication terminal equipment and is used for the communication terminal equipment to return the text, the image and the voice auxiliary information; when the communication terminal returns information, the storage unit caches the returned information, and the WIFI unit gives the communication terminal response information of the returned information;
a satellite positioning module is called to obtain the position information of the communication terminal, a network processor unit sends the position information and the return information of the communication terminal to a command control center through an ad hoc network communication link, and the command control center transmits deployment information to field rescue personnel or organization personnel for rescue;
the receiving and transmitting antenna module is used for monitoring the channel state of the communication link.
Further, the sensor unit is used for monitoring environmental information around the mobile emergency communication equipment and sending the monitored abnormal environmental information and the position information of the mobile emergency communication equipment to the command control center through the ad hoc network communication link; the specific process comprises the following steps:
when the sensor unit monitors abnormality, the sensor unit displays the environment abnormality through the information display module, the data processor unit is used for preprocessing the monitored abnormal information to judge the abnormal type, and the network processor unit is used for marking the abnormal data type by using a datatype bit in a frame header FrameHeader of an MAC frame;
and calling a satellite positioning module to determine the position information of the mobile emergency communication equipment, caching the sensor monitoring data and the position information by using a storage unit, packaging the position information and the sensor data information by using a network processor unit, sending the packaged position information and the packaged sensor data information to a command control center through an ad hoc network communication link, and deploying by the command control center.
Further, remove emergency communication equipment and carry on to accident area through unmanned aerial vehicle, unmanned vehicles, carry on with oneself to accident area through the rescue personnel, or settle in accident area through the interim fixing device point that sets up.
Furthermore, the information acquisition module also comprises a camera unit, the camera unit is used for monitoring accident information near the mobile emergency communication equipment in real time, when the abnormity is found, the video data information is transmitted to the data processor unit for processing and judgment, and the storage unit caches the video data;
and calling a satellite positioning module to determine the position information of the mobile emergency communication equipment, sending the position information and the video data information to a command control center through an ad hoc network communication link, making a decision by the command control center, and broadcasting the abnormal information through the ad hoc network communication link.
Furthermore, the communication terminal equipment comprises a handheld terminal of rescue workers, a mobile phone of a disaster-stricken user, a personal computer and an interphone, the satellite positioning module is a GPS or Beidou navigation system, and the information display module comprises a warning lamp, an individual hand-held display and a loudspeaker.
Further, the network access module further comprises a mobile communication unit, the mobile communication unit is a second generation mobile communication unit, a third generation mobile communication unit, a fourth generation mobile communication unit, a fifth generation mobile communication unit or a long term evolution unit, and the mobile communication unit is used for broadcasting disaster information and rescue information.
Further, the sensor unit includes a temperature sensor, a gas smoke sensor, and a pressure sensor.
Further, the establishing process of the ad hoc network communication link is as follows:
step one, each mobile emergency communication device realizes ad hoc network through a special MESH network transceiver module, and establishes an ad hoc network communication link;
step two, the command control center broadcasts network test information and detects the networking state of each mobile emergency communication device;
the specific process of the second step is as follows:
if all the mobile emergency communication devices respond to the test information, the ad hoc network covers the whole accident area, and the third step is continuously executed; otherwise, if the mobile emergency communication equipment which does not respond to the test information exists, the ad hoc network does not cover the whole accident area, and the fifth step is executed;
step three, starting a function test of each mobile emergency communication device, judging whether the working state of each module of the mobile emergency communication device is normal, and if the working state of each module is normal, continuing to execute the step four; otherwise, reporting the abnormal information to a command control center through an ad hoc network communication link, making a decision by the command control center and issuing an instruction;
step four, rescue workers carry mobile emergency communication equipment to enter an accident area for rescue action;
and step five, the command control center continuously arranges mobile emergency communication equipment according to the networking condition, and after arranging new mobile emergency communication equipment, the command control center probes the newly-added mobile emergency communication equipment and updates the route through the special MESH network transceiver module until the ad hoc network covers the whole accident area to execute step three.
Further, the process flow of the judgment of the ad hoc network communication link state and the processing of the abnormal state is as follows:
step 2, the network processor unit of the mobile emergency communication equipment issues a route searching instruction, an antenna sends route searching information, if the response of other mobile emergency communication equipment is received, namely the route searching is successful, the step 6 is executed, otherwise, the step 3 is executed;
step 3, the information display module displays the ad hoc network abnormity or makes corresponding prompt reaction;
step 4, the satellite positioning module acquires the position information of the current ad hoc network failure and stores the position information;
step 5, changing the positions of other mobile emergency communication equipment, and then executing the step 2;
step 6, the information display module stops displaying network abnormity, and the satellite positioning module acquires the current position information of each mobile emergency communication device and stores the acquired position information;
step 7, the network processor unit updates the routing table and establishes the ad hoc network communication link;
step 8, the mobile emergency communication equipment packs and transmits the stored position information when the ad hoc network fails and the current position information to a command control center through an ad hoc network communication link;
and 9, the command control center makes a decision according to the information sent by each mobile emergency communication device.
Furthermore, the system also comprises a battery management module which is used for providing stable power supply for the mobile emergency communication equipment.
The invention has the beneficial effects that:
the system realizes the network coverage on the accident site through the special MESH network ad hoc network link, simultaneously, the WIFI link realizes the network access interface provided for the site terminal, and the mobile communication network actively broadcasts disaster information and rescue guidance to the site terminal, thereby solving the problem of single function of the existing emergency communication equipment. The mobile emergency communication system can provide timely, accurate and omnibearing communication guarantee for the accident scene. The mobile emergency communication equipment can select communication equipment with different power consumptions aiming at different carriers through modular design. Meanwhile, the device is provided with a storage unit which can cache data received by the node or data acquired by the information acquisition module, so that information transmission can be effectively, reliably and efficiently ensured when the data are transmitted, loss of the received data can be prevented when communication is interrupted, meanwhile, the storage unit can cache data and instructions which appear at high frequency, and when the data are required to be transmitted, the data can be directly read from the storage unit, and therefore, the communication efficiency is improved. The data processor assembled in the equipment can quickly and efficiently realize the preprocessing and classification of data, is convenient to provide accurate site information and help seeking information for a command control center or rescue workers in time, and effectively reduces the cost for realizing the system.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a mobile emergency communications device module;
FIG. 2 is a schematic structural diagram of a conventional mobile emergency communication device;
FIG. 3 is a schematic structural diagram of a mobile emergency communication device of a low power consumption version;
FIG. 4 is a diagram of an abstract model of a mobile emergency communication system;
fig. 5 is a schematic diagram of a communication link in a mobile emergency communication system;
fig. 6 is a schematic diagram of network coverage in a mobile emergency communication system;
fig. 7 is a flow chart of a mobile emergency communication system setup implementation;
FIG. 8 is a mobile emergency communication device node work flow diagram;
FIG. 9 is a flow chart of signal processing within a mobile emergency communications device node;
fig. 10 is a flow chart of processing a networking exception by the ad hoc network module of the mobile emergency communication device node.
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
First embodiment this embodiment will be described with reference to fig. 1, 3, and 4. In this embodiment, the mobile emergency communication system based on the wireless ad hoc network technology includes a command control center, a mobile emergency communication device and a communication terminal device, wherein:
the mobile emergency communication equipment is arranged in an accident area, and is used as a relay node for emergency communication and used for acquiring environmental information and accident information in an emergency accident in real time;
the command control center is arranged in a safety area outside the accident area and used for decision and command of sudden accidents; the command control center establishes a communication link with each mobile emergency communication device in an ad hoc network or public network access mode;
the communication terminal equipment actively or passively establishes a communication link with the mobile emergency communication equipment;
the mobile emergency communication equipment comprises a central processor module, an information acquisition module, an information display module, a network access module, a special MESH network transceiver module, a transceiving antenna module and a satellite positioning module;
the central processor module integrates a storage unit, a control unit, a network processor unit and a data processor unit;
the storage unit stores computer instructions, and the control unit controls the network processor unit and the data processor unit to execute the computer instructions to complete the functions of responding networking, forwarding and moving;
the information acquisition module comprises a sensor unit, the sensor unit is used for monitoring the surrounding environmental information of the mobile emergency communication equipment and sending the monitored abnormal environmental information and the position information of the mobile emergency communication equipment to the command control center through the ad hoc network communication link;
the information display module is used for displaying the monitored abnormal information;
the special MESH network transceiver module is used for establishing an ad hoc network communication link between the mobile emergency communication equipment and the communication terminal equipment and realizing the forwarding of data information;
the network access module comprises a WIFI unit, and the WIFI unit provides a network interface for the communication terminal equipment and is used for the communication terminal equipment to return the text, the image and the voice auxiliary information; when the communication terminal returns information, the storage unit caches the returned information, and the WIFI unit gives the communication terminal response information of the returned information;
a satellite positioning module is called to obtain the position information of the communication terminal, a network processor unit sends the position information and the return information of the communication terminal to a command control center through an ad hoc network communication link, and the command control center transmits deployment information to field rescue personnel or organization personnel for rescue;
in view of power consumption, the network access module is mainly carried on a temporary fixed base station node or an unmanned vehicle and other equipment which can carry a large-capacity battery;
the receiving and transmitting antenna module is used for monitoring the channel state of the communication link and transmitting a communication signal.
The mobile emergency communication equipment can be carried on different carriers through modular design. Conventional mobile emergency communication equipment is shown in fig. 2, and can be selectively carried on equipment capable of carrying a large-capacity battery, such as a temporary fixed base station node or an unmanned vehicle, and the equipment comprises a central processor module, a special MESH transceiver unit, a mobile communication unit, a WIFI radio frequency front end unit, a big dipper/GPS unit, a camera unit, a sensor unit, a warning light unit and a power management unit.
The mobile emergency communication equipment with the low-power-consumption version can be carried by an unmanned aerial vehicle or individual rescue personnel with limited battery energy, and can be used for removing parts with high energy consumption, such as a mobile communication unit and a camera module, on the basis of a conventional version.
The second embodiment is as follows: the embodiment is different from the specific embodiment in that the sensor unit is used for monitoring environmental information around the mobile emergency communication equipment and sending the monitored abnormal environmental information and the position information of the mobile emergency communication equipment to the command control center through the ad hoc network communication link; the specific process comprises the following steps:
when the sensor unit monitors abnormality, the sensor unit displays the environment abnormality through the information display module, the data processor unit is used for preprocessing the monitored abnormal information to judge the abnormal type, and the network processor unit is used for marking the abnormal data type by using a datatype bit in a frame header FrameHeader of an MAC frame;
the network processor unit integrates high-performance MAC/baseband/radio frequency sub-modules and is developed into a wireless router, a wireless AP (Wireless Access Point) and a wireless network bridge;
and calling a satellite positioning module to determine the position information of the mobile emergency communication equipment, caching the sensor monitoring data and the position information by using a storage unit, packaging the position information and the sensor data information by using a network processor unit, sending the packaged position information and the packaged sensor data information to a command control center through an ad hoc network communication link, and deploying by the command control center.
Other steps and parameters are the same as those in the first embodiment.
The third concrete implementation mode: the first or second difference between the embodiment and the specific embodiment is that the mobile emergency communication equipment is carried to an accident area through an unmanned aerial vehicle and an unmanned vehicle, carried to the accident area by rescue workers, or arranged in the accident area through a set temporary fixing device.
Other steps and parameters are the same as those in the first or second embodiment.
The fourth concrete implementation mode: the information acquisition module further comprises a camera unit, wherein the camera unit is used for monitoring accident information near the mobile emergency communication equipment in real time, when an abnormal condition is found (namely, a person asking for help is monitored to ask for help, a new dangerous case or other abnormal situations are monitored), the video data information is transmitted to the data processor unit for processing and judging, and the storage unit caches the video data;
and calling a satellite positioning module to determine the position information of the mobile emergency communication equipment, sending the position information and the video data information to a command control center through an ad hoc network communication link, making a decision by the command control center, and broadcasting the abnormal information through the ad hoc network communication link.
Other steps and parameters are the same as those in one of the first to third embodiments.
The fifth concrete implementation mode: the embodiment is different from one of the first to the fourth specific embodiments in that the communication terminal device comprises a handheld terminal of a rescuer, a mobile phone of a disaster-suffered user, a personal computer and an interphone, the satellite positioning module is GPS or Beidou navigation, and the information display module comprises a warning lamp, an individual handheld display and a loudspeaker and can prompt through the information display device when the network is abnormal or the environment of an accident site is changed.
Other steps and parameters are the same as in one of the first to fourth embodiments.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is that the network access module further includes a mobile communication unit, where the mobile communication unit is a second generation mobile communication unit, a third generation mobile communication unit, a fourth generation mobile communication unit, a fifth generation mobile communication unit, or a Long Term Evolution (LTE) unit, and the mobile communication unit is configured to broadcast disaster information and rescue information.
Other steps and parameters are the same as those in one of the first to fifth embodiments.
The seventh embodiment: this embodiment differs from one of the first to sixth embodiments in that the sensor unit includes a temperature sensor, a gas smoke sensor, and a pressure sensor.
Other steps and parameters are the same as those in one of the first to sixth embodiments.
The specific implementation mode is eight: this embodiment will be described with reference to fig. 5 and 6. The difference between this embodiment and one of the first to seventh embodiments is that the establishing process of the ad hoc network communication link is as follows:
step one, each mobile emergency communication device realizes ad hoc network through a special MESH network transceiver module, and establishes an ad hoc network communication link;
step two, the command control center broadcasts network test information and detects the networking state of each mobile emergency communication device;
the specific process of the second step is as follows:
if all the mobile emergency communication devices respond to the test information, the ad hoc network covers the whole accident area, and the third step is continuously executed; otherwise, if the mobile emergency communication equipment which does not respond to the test information exists, the ad hoc network does not cover the whole accident area, and the fifth step is executed;
step three, starting a function test of each mobile emergency communication device, judging whether the working state of each module of the mobile emergency communication device is normal, and if the working state of each module is normal, continuing to execute the step four; otherwise, reporting the abnormal information to a command control center through an ad hoc network communication link, making a decision by the command control center and issuing an instruction;
step four, rescue workers carry mobile emergency communication equipment to enter an accident area for rescue action;
and step five, the command control center continuously arranges mobile emergency communication equipment according to the networking condition, and after arranging new mobile emergency communication equipment, the command control center probes the newly-added mobile emergency communication equipment and updates the route through the special MESH network transceiver module until the ad hoc network covers the whole accident area to execute step three.
Other steps and parameters are the same as those in one of the first to seventh embodiments.
The specific implementation method nine: the difference between this embodiment and the first to eighth embodiments is that the determining of the ad hoc network communication link status and the processing flow of the abnormal status are as follows:
step 2, the network processor unit of the mobile emergency communication equipment issues a route searching instruction, an antenna sends route searching information, if the response of other mobile emergency communication equipment is received, namely the route searching is successful, the step 6 is executed, otherwise, the step 3 is executed;
step 3, the information display module displays the ad hoc network abnormity or makes corresponding prompt reaction;
step 4, the satellite positioning module acquires the position information of the current ad hoc network failure and stores the position information;
step 5, changing the positions of other mobile emergency communication equipment, and then executing the step 2;
in the step, the position of the mobile emergency communication equipment with the changeable position is changed, and the mobile emergency communication equipment with the unchangeable position does not need to be processed;
step 6, the information display module stops displaying network abnormity, and the satellite positioning module acquires the current position information of each mobile emergency communication device and stores the acquired position information;
step 7, the network processor unit updates the routing table and establishes the ad hoc network communication link;
step 8, the mobile emergency communication equipment packs and transmits the stored position information when the ad hoc network fails and the current position information to a command control center through an ad hoc network communication link;
and 9, the command control center makes a decision according to the information sent by each mobile emergency communication device.
Other steps and parameters are the same as those in one to eight of the embodiments.
The detailed implementation mode is ten: the difference between this embodiment and one of the first to ninth embodiments is that the system further includes a battery management module, the battery management module is used for providing a stable power supply for the mobile emergency communication device, and ensuring the normal operation of each module, and the battery management module is equipped with an electric quantity monitoring system for giving a prompt in time when the electric quantity is low.
Other steps and parameters are the same as those in one of the first to ninth embodiments.
The invention provides a mobile emergency communication system and a multifunctional portable mobile emergency communication device. The mobile emergency communication system consists of a command control center, mobile emergency communication equipment and terminal equipment, can realize temporary communication coverage on an accident site, actively provides network access for terminals in the accident site, monitors environmental information of the accident site in real time, and can broadcast disaster information and rescue information to the terminal.
The mobile emergency communication system is described in detail below with reference to the accompanying drawings and specific embodiments.
In a first embodiment, as shown in fig. 7, a specific implementation manner of establishing a mobile emergency communication system is as follows:
step 1: firstly, arranging a command control center in a safety area outside an accident area, wherein the command control center can be selectively carried on a rescue vehicle or can be temporarily built in a camp; secondly, an emergency communication ground node, such as a temporary base station, is arranged in a proper area and is used as a core intermediate node in an ad hoc network, the emergency communication equipment can carry a large-capacity battery and is assembled with more functional modules, the ad hoc network can be realized through a special MESH networking unit, public network access can also be realized through a mobile communication unit, and communication guarantee is provided for the arrangement of other subsequent nodes; and finally, releasing mobile communication nodes carried by an unmanned aerial vehicle, an unmanned vehicle and the like, carrying out basic network coverage on an accident site to a certain extent, monitoring environmental information of the accident site, providing guarantee for subsequent personnel to enter the site, considering power consumption, selecting a carried mobile emergency communication device with a low power consumption version by the unmanned aerial vehicle, mainly taking charge of data transfer and environment monitoring, and not providing a public network access function.
Step 2: each emergency communication node realizes the ad hoc network through the special MESH network transceiver unit, and establishes an ad hoc network communication link.
And step 3: and the command control center broadcasts network test information and detects the networking state of each node.
And 4, step 4: and (5) judging whether the network covers the accident area, namely judging whether all the nodes respond to the test information, if so, representing that the networking is successful, and executing the step 5, otherwise, executing the step 7.
And 5: and starting the functional module test by each emergency communication device, judging whether each functional module works normally or not, if not, reporting abnormal information to a command control center by the node through an ad hoc network communication link, and finally making a decision and issuing an instruction by the command control center.
Step 6: rescue personnel carry the mobile emergency communication equipment to enter the accident area for rescue actions.
And 7: and (4) the command control center continuously arranges the mobile emergency communication nodes according to the networking condition, after arranging new nodes, each node automatically detects the newly added nodes and updates the route through the special MESH network transceiver unit and the network processor, if the networking is successful and the accident area is covered by the network, the establishment of the mobile emergency communication system is successful, otherwise, the step 7 is continuously executed.
In a second embodiment, as shown in fig. 8, each functional module of a node in the mobile emergency communication system is implemented as follows:
step A1: after the command control center and each mobile emergency device are arranged, each node establishes an ad hoc network link through a special MESH transceiver module to realize networking, and then each functional module of the node starts to work, namely, steps B1, C1, D1 and E1 are executed.
Step B1: and C, monitoring the surrounding environment in real time by the camera module, if the situation that a person seeking help, a new dangerous case or other abnormal situations occur is monitored, executing the step B2, and if the situation that the person seeking help, the new dangerous case or other abnormal situations occur is monitored, continuing to execute the step B1.
Step B2: the data processor processes the video data, when an object moves, the video information starts to be recorded, and the storage unit caches the video data so as to be convenient for sending the data out subsequently.
Step B3: the central processor module calls the satellite positioning module to determine the position information of the node.
Step B3: and the central processor module sends the positioning information and the video data to the command control information through the ad hoc network communication link.
Step B4: the command control center makes a decision in combination with the information and broadcasts the decision information to each node or unicasts the decision information to a certain rescue node through an ad hoc network communication link, and then the node proceeds to step B1.
Step C1: the sensor monitors the surrounding environment information in real time, and judges whether the surrounding environment is abnormal, for example: and (3) selecting a gas smoke sensor in the fire, monitoring the condition of peripheral gas smoke, marking as abnormal if the concentration of the gas smoke exceeds a set threshold value, and executing an abnormal processing flow. If an abnormal condition occurs, step C2 is executed, otherwise, the corresponding display component of the information display module displays that the environment is normal.
Step C2: the corresponding display part of the information display module displays environment abnormity, and if a warning lamp is set to flicker, the individual soldier holds a display screen for prompting, and the like, the information display module reminds peripheral nodes or personnel.
Step C3: the data processor unit preprocesses monitored data information, judges the type of the sensor by judging which IO interface the abnormality comes from, so as to determine the type of the abnormality, and the network processor marks the data type by using a datatype bit in a frame header FrameHeader of the MAC frame and caches the data of the sensor by using the storage unit.
Step C4: and the central processor module calls the satellite positioning module to position the node. And caching the positioning information and the sensor data information. And the network processor unit packs the information and sends the data information to the command control center and other destination nodes by using the ad hoc network communication link.
Step C5: and the command control center makes corresponding deployment after receiving the information, and then continues to execute the step C1.
Step D1: the WIFI module radiates signals, provides a network interface for terminal equipment in an accident area, and allows the terminal equipment to transmit auxiliary information such as characters, images and voice back.
Step D2: the central processor module judges whether the terminal equipment transmits information back, if so, the step D3 is executed, otherwise, the step D1 is continuously executed.
Step D3: the storage unit caches the data returned by the terminal equipment.
Step D4: the WIFI unit gives response information to the terminal equipment to remind the terminal, the emergency communication node receives the information and processes the information, and meanwhile accident information and rescue instructions are sent to the terminal to ensure the safety of personnel.
Step D5: and the central processor module calls the satellite positioning module to acquire the node position information.
Step D6: the node network processor module sends information to the command control center and other destination nodes through the special MESH ad hoc network link.
Step D7: and D1, the command control center makes deployment after receiving the information, unicasts the deployment information to on-site rescue personnel or organization personnel for rescue, and then continues to execute the step D1.
Step E1: the mobile communication module broadcasts disaster information and rescue guidelines to all nearby terminals at regular intervals, on one hand, the mobile communication module can provide public network access function for terminal equipment, on the other hand, nodes carrying mobile communication units can establish communication links with a command control center or other nodes carrying mobile communication units through the mobile communication module by using a public network, and the mobile communication system in an accident area is recovered to a certain extent. In consideration of power consumption, the mobile communication module is often mounted by a fixed emergency communication node, an unmanned vehicle, or other nodes capable of holding a large-capacity battery.
The mobile emergency communication device provided by the embodiment of the invention implements environmental monitoring on an accident site through the camera unit and the sensor unit of the information acquisition module, implements a function of providing network access for terminal equipment in an accident area through the WIFI unit, implements establishment and recovery of a mobile communication link in the accident area while broadcasting disaster information and rescue information through the mobile communication unit, establishes a special ad hoc network communication link through the ad hoc network module, and transmits data information in the accident area mainly through the ad hoc network communication link, so that a set of mobile emergency communication system capable of temporary communication is reestablished in the accident area with communication interruption. Therefore, the outside can quickly know the distribution condition or disaster situation of the personnel in the disaster area and send information such as disaster relief scheduling instructions and evacuation path planning schemes to the disaster area.
The special MESH network communication link, the WIFI module communication link and the mobile communication network link are in different communication channels.
In a third embodiment, as shown in fig. 9, the processing steps of the internal signal of the mobile emergency communication device node are as follows:
step S101: the receiving and transmitting antenna module monitors channel states of the WIFI communication link, the special ad hoc network communication link and the mobile communication network link respectively, namely when the intensity of signals received by the antenna is larger than a threshold value set by equipment, the current channel is considered to have signals, the antenna starts to receive the signals, and data information sent by the source node can be received in time by continuously monitoring the channel state of the channel. If the signal is monitored, step S102 is executed, otherwise, step S101 is continuously executed.
Step S102: the network processor processes the signal, judges whether a destination address IP _ addr in a frame header FrameHeader of a frame received by an MAC layer is matched with an IP address of the MAC layer, namely judges whether data are sent to the MAC layer, extracts the data if the data are sent to the MAC layer, then executes a step S103, continues to judge whether a next hop node IP address next _ addr of the frame is an IP address of the MAC layer if the data are not sent to the MAC layer, forwards the data if the data are sent to the MAC layer, discards the data if the data are not sent to the MAC layer, and then executes a step S101.
Step S103: the data processor receives the data type datatype in the frame header FrameHeader of the frame through the MAC, and judges the data information type, such as: control information, data information, etc.; the storage unit stores data information and does not process control information and the like. On one hand, the storage unit stores data, so that the situation that the data are lost when the communication of the node is interrupted can be prevented, and on the other hand, in the case of data which appears frequently, the data processor can directly read the data from the storage unit and send the data to the network processor for processing and sending, so that transmission collision and blockage in a network can be effectively reduced, and the throughput of a communication system is improved.
Step S104: after the data processor finishes processing, the next operation is carried out, such as: executing control commands in the control information, caching data information, and the like.
In a fourth embodiment, as shown in fig. 10, the specific implementation steps of the ad hoc network module of the mobile emergency communication device for processing the networking abnormal condition are as follows:
step 1: the nodes establish an ad hoc network communication link through a special MESH network transceiver unit in the ad hoc network module, automatically detect routing nodes and update the routing.
Step 2: judging whether a routing table in an emergency communication equipment node is empty, if not, indicating that the node is accessed into the ad hoc network and can communicate with other nodes, and the link of the ad hoc network is normal; if the node is empty, the node is isolated, no communication link is established with other nodes, and step 3 is executed.
And step 3: and the network processor module of the node issues a route searching instruction, and the antenna sends route searching information. If the response of other nodes is received within a certain time, namely the route searching is successful, step 7 is executed, otherwise step 4 is executed.
And 4, step 4: the information display unit displays networking abnormity or makes corresponding prompt reaction.
And 5: and the satellite positioning module acquires the position information of the current networking failure and stores the information.
Step 6: for nodes that can move, such as: the nodes of the unmanned vehicle, the unmanned aerial vehicle, the individual soldier rescue workers and the like move, then step 3 is executed, and step 3 is directly executed for the fixed emergency communication nodes.
And 7: the information display module stops displaying the network abnormity. And the satellite positioning module acquires the current position information of the node and stores the position information.
And 8: the network processor updates the routing table and establishes the ad hoc network communication link.
And step 9: the node transmits the previously stored location information of failed networking and the location information of successful current networking back to the command control center through the ad hoc network communication link, and deletes the location information from the storage unit and releases the storage space.
Step 10: and commanding the control center to make a decision on the information sent by the nodes.
The above-described calculation examples of the present invention are merely to explain the calculation model and the calculation flow of the present invention in detail, and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made based on the above description, and it is not intended to be exhaustive or to limit the invention to the precise form disclosed, and all such modifications and variations are possible and contemplated as falling within the scope of the invention.
Claims (10)
1. A mobile emergency communication system based on wireless ad hoc network technology is characterized in that the system comprises a command control center, mobile emergency communication equipment and communication terminal equipment, wherein:
the mobile emergency communication equipment is arranged in an accident area, and is used as a relay node for emergency communication and used for acquiring environmental information and accident information in an emergency accident in real time;
the command control center is arranged in a safety area outside the accident area and used for decision and command of sudden accidents; the command control center establishes a communication link with each mobile emergency communication device in an ad hoc network or public network access mode;
the communication terminal equipment actively or passively establishes a communication link with the mobile emergency communication equipment;
the mobile emergency communication equipment comprises a central processor module, an information acquisition module, an information display module, a network access module, a special MESH network transceiver module, a transceiving antenna module and a satellite positioning module;
the central processor module integrates a storage unit, a control unit, a network processor unit and a data processor unit;
the storage unit stores computer instructions, and the control unit controls the network processor unit and the data processor unit to execute the computer instructions;
the information acquisition module comprises a sensor unit, the sensor unit is used for monitoring the surrounding environmental information of the mobile emergency communication equipment and sending the monitored abnormal environmental information and the position information of the mobile emergency communication equipment to the command control center through the ad hoc network communication link;
the information display module is used for displaying the monitored abnormal information;
the special MESH network transceiver module is used for establishing an ad hoc network communication link between the mobile emergency communication equipment and the communication terminal equipment and realizing the forwarding of data information;
the network access module comprises a WIFI unit, and the WIFI unit provides a network interface for the communication terminal equipment and is used for the communication terminal equipment to return the text, the image and the voice auxiliary information; when the communication terminal returns information, the storage unit caches the returned information, and the WIFI unit gives the communication terminal response information of the returned information;
a satellite positioning module is called to obtain the position information of the communication terminal, a network processor unit sends the position information and the return information of the communication terminal to a command control center through an ad hoc network communication link, and the command control center transmits deployment information to field rescue personnel or organization personnel for rescue;
the receiving and transmitting antenna module is used for monitoring the channel state of the communication link.
2. The mobile emergency communication system based on the wireless ad hoc network technology according to claim 1, wherein the sensor unit is configured to monitor environmental information around the mobile emergency communication device, and send the monitored abnormal environmental information and the location information of the mobile emergency communication device to the command control center through an ad hoc network communication link; the specific process comprises the following steps:
when the sensor unit monitors abnormality, the sensor unit displays the environment abnormality through the information display module, the data processor unit is used for preprocessing the monitored abnormal information to judge the abnormal type, and the network processor unit is used for marking the abnormal data type by using a datatype bit in a frame header FrameHeader of an MAC frame;
and calling a satellite positioning module to determine the position information of the mobile emergency communication equipment, caching the sensor monitoring data and the position information by using a storage unit, packaging the position information and the sensor data information by using a network processor unit, sending the packaged position information and the packaged sensor data information to a command control center through an ad hoc network communication link, and deploying by the command control center.
3. The mobile emergency communication system based on the wireless ad hoc network technology according to claim 2, wherein the mobile emergency communication device is carried to an accident area by an unmanned aerial vehicle or an unmanned vehicle, carried to the accident area by a rescuer, or placed in the accident area by a set temporary fixing device.
4. The mobile emergency communication system based on the wireless ad hoc network technology according to claim 3, wherein the information acquisition module further comprises a camera unit, the camera unit is used for monitoring accident information near the mobile emergency communication device in real time, when an abnormality is found, video data information is transmitted to the data processor unit for processing and judgment, and the storage unit caches the video data;
and calling a satellite positioning module to determine the position information of the mobile emergency communication equipment, sending the position information and the video data information to a command control center through an ad hoc network communication link, making a decision by the command control center, and broadcasting the abnormal information through the ad hoc network communication link.
5. The mobile emergency communication system based on the wireless ad hoc network technology according to claim 4, wherein the communication terminal device comprises a handheld terminal of rescuers, a mobile phone of a disaster-stricken user, a personal computer and an interphone, the satellite positioning module is a GPS or Beidou navigation system, and the information display module comprises a warning lamp, an individual handheld display and a loudspeaker.
6. The mobile emergency communication system according to claim 5, wherein the network access module further comprises a mobile communication unit, the mobile communication unit is a second generation mobile communication unit, a third generation mobile communication unit, a fourth generation mobile communication unit, a fifth generation mobile communication unit or a long term evolution unit, and the mobile communication unit is configured to broadcast disaster information and rescue information.
7. A mobile emergency communication system based on wireless ad hoc network technology according to claim 6, wherein said sensor unit comprises a temperature sensor, a gas smoke sensor and a pressure sensor.
8. The mobile emergency communication system based on wireless ad hoc network technology according to claim 7, wherein the ad hoc network communication link is established by:
step one, each mobile emergency communication device realizes ad hoc network through a special MESH network transceiver module, and establishes an ad hoc network communication link;
step two, the command control center broadcasts network test information and detects the networking state of each mobile emergency communication device;
the specific process of the second step is as follows:
if all the mobile emergency communication devices respond to the test information, the ad hoc network covers the whole accident area, and the third step is continuously executed; otherwise, if the mobile emergency communication equipment which does not respond to the test information exists, the ad hoc network does not cover the whole accident area, and the fifth step is executed;
step three, starting a function test of each mobile emergency communication device, judging whether the working state of each module of the mobile emergency communication device is normal, and if the working state of each module is normal, continuing to execute the step four; otherwise, reporting the abnormal information to a command control center through an ad hoc network communication link, making a decision by the command control center and issuing an instruction;
step four, rescue workers carry mobile emergency communication equipment to enter an accident area for rescue action;
and step five, the command control center continuously arranges mobile emergency communication equipment according to the networking condition, and after arranging new mobile emergency communication equipment, the command control center probes the newly-added mobile emergency communication equipment and updates the route through the special MESH network transceiver module until the ad hoc network covers the whole accident area to execute step three.
9. The system according to claim 8, wherein the determination of the ad hoc network communication link status and the processing procedure of the abnormal status are as follows:
step 1, judging whether a routing table in the mobile emergency communication equipment is empty, if not, indicating that an ad hoc network communication link of the mobile emergency communication equipment is normal; if the communication link is empty, the communication link of the ad hoc network of the mobile emergency communication equipment is abnormal, and step 2 is executed;
step 2, the network processor unit of the mobile emergency communication equipment issues a route searching instruction, an antenna sends route searching information, if the response of other mobile emergency communication equipment is received, namely the route searching is successful, the step 6 is executed, otherwise, the step 3 is executed;
step 3, the information display module displays the ad hoc network abnormity or makes corresponding prompt reaction;
step 4, the satellite positioning module acquires the position information of the current ad hoc network failure and stores the position information;
step 5, changing the positions of other mobile emergency communication equipment, and then executing the step 2;
step 6, the information display module stops displaying network abnormity, and the satellite positioning module acquires the current position information of each mobile emergency communication device and stores the acquired position information;
step 7, the network processor unit updates the routing table and establishes the ad hoc network communication link;
step 8, the mobile emergency communication equipment packs and transmits the stored position information when the ad hoc network fails and the current position information to a command control center through an ad hoc network communication link;
and 9, the command control center makes a decision according to the information sent by each mobile emergency communication device.
10. The mobile emergency communication system based on the wireless ad hoc network technology of claim 9, wherein the system further comprises a battery management module, and the battery management module is used for providing a stable power supply for the mobile emergency communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210093205.3A CN114422942B (en) | 2022-01-26 | 2022-01-26 | Mobile emergency communication system based on wireless ad hoc network technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210093205.3A CN114422942B (en) | 2022-01-26 | 2022-01-26 | Mobile emergency communication system based on wireless ad hoc network technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114422942A true CN114422942A (en) | 2022-04-29 |
| CN114422942B CN114422942B (en) | 2024-04-09 |
Family
ID=81277922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210093205.3A Active CN114422942B (en) | 2022-01-26 | 2022-01-26 | Mobile emergency communication system based on wireless ad hoc network technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114422942B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114584204A (en) * | 2022-05-06 | 2022-06-03 | 山东致群信息技术股份有限公司 | Emergency command system |
| CN115549761A (en) * | 2022-09-21 | 2022-12-30 | 云南电网有限责任公司电力科学研究院 | Unmanned aerial vehicle mobile communication access method, system, equipment, device and storage medium |
| CN116233035A (en) * | 2023-02-15 | 2023-06-06 | 应急管理部沈阳消防研究所 | Digital fire-fighting individual communication system and data perception acquisition communication method |
| CN116782139A (en) * | 2023-08-18 | 2023-09-19 | 武汉七环电气股份有限公司 | Explosion-proof wireless emergency communication method and system |
| CN116887397A (en) * | 2023-07-10 | 2023-10-13 | 深圳市天工测控技术有限公司 | Beidou geological disaster monitoring and rescue system based on ad hoc network |
| CN117082649A (en) * | 2023-10-18 | 2023-11-17 | 常州嘉昊广播电视设备有限公司 | Data transmission system and method based on 5G technology |
| CN115549761B (en) * | 2022-09-21 | 2024-11-08 | 云南电网有限责任公司电力科学研究院 | Unmanned aerial vehicle mobile communication access method, system, equipment, device and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009159457A (en) * | 2007-12-27 | 2009-07-16 | Toshiba Corp | Ad hoc communication system, communication method in the same, and computer program |
| CN109151793A (en) * | 2018-08-09 | 2019-01-04 | 南京信息工程大学 | More nets based on cloud computing refine emergency management and rescue command system |
| CN209134399U (en) * | 2018-12-25 | 2019-07-19 | 武汉高德安信科技有限公司 | A kind of Multi net voting individual reconnaissance command system based on ad hoc network |
| CN211670989U (en) * | 2020-01-18 | 2020-10-13 | 河南森源鸿马电动汽车有限公司 | Emergency rescue field communication system based on GPS Beidou positioning and MESH wireless ad hoc network |
-
2022
- 2022-01-26 CN CN202210093205.3A patent/CN114422942B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009159457A (en) * | 2007-12-27 | 2009-07-16 | Toshiba Corp | Ad hoc communication system, communication method in the same, and computer program |
| CN109151793A (en) * | 2018-08-09 | 2019-01-04 | 南京信息工程大学 | More nets based on cloud computing refine emergency management and rescue command system |
| CN209134399U (en) * | 2018-12-25 | 2019-07-19 | 武汉高德安信科技有限公司 | A kind of Multi net voting individual reconnaissance command system based on ad hoc network |
| CN211670989U (en) * | 2020-01-18 | 2020-10-13 | 河南森源鸿马电动汽车有限公司 | Emergency rescue field communication system based on GPS Beidou positioning and MESH wireless ad hoc network |
Non-Patent Citations (1)
| Title |
|---|
| 李俊锋，等: "无线Mesh网络技术在应急救援通信保障中的应用研究", 武警学院学报 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114584204A (en) * | 2022-05-06 | 2022-06-03 | 山东致群信息技术股份有限公司 | Emergency command system |
| CN114584204B (en) * | 2022-05-06 | 2022-07-29 | 山东致群信息技术股份有限公司 | Emergency command system |
| CN115549761A (en) * | 2022-09-21 | 2022-12-30 | 云南电网有限责任公司电力科学研究院 | Unmanned aerial vehicle mobile communication access method, system, equipment, device and storage medium |
| CN115549761B (en) * | 2022-09-21 | 2024-11-08 | 云南电网有限责任公司电力科学研究院 | Unmanned aerial vehicle mobile communication access method, system, equipment, device and storage medium |
| CN116233035A (en) * | 2023-02-15 | 2023-06-06 | 应急管理部沈阳消防研究所 | Digital fire-fighting individual communication system and data perception acquisition communication method |
| CN116233035B (en) * | 2023-02-15 | 2023-11-17 | 应急管理部沈阳消防研究所 | Digital fire-fighting individual communication system and data perception acquisition communication method |
| CN116887397A (en) * | 2023-07-10 | 2023-10-13 | 深圳市天工测控技术有限公司 | Beidou geological disaster monitoring and rescue system based on ad hoc network |
| CN116887397B (en) * | 2023-07-10 | 2024-05-24 | 深圳市天工测控技术有限公司 | Beidou geological disaster monitoring and rescue system based on ad hoc network |
| CN116782139A (en) * | 2023-08-18 | 2023-09-19 | 武汉七环电气股份有限公司 | Explosion-proof wireless emergency communication method and system |
| CN116782139B (en) * | 2023-08-18 | 2023-11-07 | 武汉七环电气股份有限公司 | Explosion-proof wireless emergency communication method and system |
| CN117082649A (en) * | 2023-10-18 | 2023-11-17 | 常州嘉昊广播电视设备有限公司 | Data transmission system and method based on 5G technology |
| CN117082649B (en) * | 2023-10-18 | 2023-12-19 | 常州嘉昊广播电视设备有限公司 | Data transmission system and method based on 5G technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114422942B (en) | 2024-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114422942B (en) | Mobile emergency communication system based on wireless ad hoc network technology | |
| CN102006574B (en) | Wireless self-organized network-based integrated heterogeneous emergency communication network | |
| CN211670989U (en) | Emergency rescue field communication system based on GPS Beidou positioning and MESH wireless ad hoc network | |
| US9426834B2 (en) | Method and apparatus for persistent communications, interoperability and situational awareness in the aftermath of a disaster | |
| US8665087B2 (en) | Wearable or portable device including sensors and an image input for establishing communications interoperability and situational awareness of events at an incident site | |
| Verma et al. | MANET based emergency communication system for natural disasters | |
| Rawat et al. | Towards efficient disaster management: 5G and Device to Device communication | |
| CN105162890A (en) | Emergency rescue intelligent individual soldier communication system | |
| JP2004336408A (en) | Construction method of communication network, and communication system | |
| CN105611518A (en) | Beidou short message emergency communication base station and communication method | |
| CN104486798A (en) | Mining emergency rescue communication method based on Mesh network technology | |
| CN103931268A (en) | Accessing mobile communication resources | |
| CN111399419A (en) | Emergency rescue positioning system based on intelligent emergency evacuation system | |
| CN105872084A (en) | On-board client communication method and system | |
| CN203313322U (en) | Video monitoring system based on wireless mesh network | |
| CN107820220A (en) | A kind of mine emergency rescues multi-functional communications node | |
| CN102547639A (en) | Dual-radio-Mesh-network-based fire-fighting emergency wireless communication system and communication method | |
| CN111612305A (en) | Safety production scheduling supervisory system platform | |
| CN112040426A (en) | Single carrier ad hoc network communication method and system | |
| CN205901741U (en) | Communication system | |
| CN206041995U (en) | Novel base station | |
| Cheng et al. | Experimental emergency communication systems using USRP and GNU radio platform | |
| CN114793328A (en) | Power grid environment monitoring system and method based on 5G LoRa dynamic gateway | |
| CN215222184U (en) | Multi-link wireless signal sniffer and wireless signal sniffer communication system | |
| WO2020080595A1 (en) | Emergency relief system utilizing portable energy storage system and wireless communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |