CN108600955B - Wireless communication method suitable for disaster site - Google Patents
Wireless communication method suitable for disaster site Download PDFInfo
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- CN108600955B CN108600955B CN201810174245.4A CN201810174245A CN108600955B CN 108600955 B CN108600955 B CN 108600955B CN 201810174245 A CN201810174245 A CN 201810174245A CN 108600955 B CN108600955 B CN 108600955B
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- 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
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/50—Connection management for emergency connections
Abstract
The invention discloses a wireless communication method suitable for disaster sites, which is characterized by comprising the following steps: the equipment acquires first information; the first information comprises information of the device and physiological information of the device holder; exchanging the first information among all the devices in a preset area, comparing the first information according to preset conditions, and determining a master device and a slave device; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices; the master device serves as a wireless access point and is connected to an external network, the slave device is connected to the master device, and the master device is connected to the external network. By the technical scheme, the flexibility of communication among the devices can be improved, and the devices can ensure the communication with the outside as far as possible even in complex and surveyed terrain after disaster, so that the rescue work is facilitated.
Description
Technical Field
The invention belongs to the technical field of information, and mainly relates to a wireless communication method suitable for a disaster site.
Background
Currently, a wireless communication technology is commonly used in which a terminal is connected to a network through a wireless access point. For example: terminals such as mobile phones, pads and portable computers can be connected to wireless access points (e.g., wireless hotspots of mobile phones, wireless routers) to connect to the network.
The wireless communication technology needs a fixed wireless access point to be connected to the internet, and in some special scenes (such as earthquake, coal mine collapse and other disaster sites), due to unforeseen terrain and severe environment, the normal operation of the fixed wireless access point cannot be guaranteed, and at the moment, the external communication of equipment connected to the wireless access point is restricted.
Therefore, the existing wireless communication technology does not consider communication faults caused by limited operating conditions of the wireless access points, and when the existing wireless communication technology is in some special environments, the communication flexibility between devices is low in the face of complex terrains and severe environments, the external communication of the devices is obstructed, and great difficulty is brought to disaster rescue work.
Disclosure of Invention
The invention aims to provide a wireless communication method suitable for disaster sites aiming at the defects of the prior art, and the technical scheme of the invention can improve the flexibility of communication between devices and has great advantages compared with the existing communication mechanism under certain disaster environments. Even in the field after an earthquake or a coal mine collapse disaster, the equipment can also ensure the communication with the outside as far as possible in the complex and surveyed terrain, thereby facilitating the rescue work.
In order to solve the technical problems, the invention adopts the following technical scheme:
a wireless communication method suitable for disaster site, comprising the steps of:
the equipment acquires first information; the first information comprises information of the device and physiological information of the device holder, and the first information corresponds to the device;
exchanging the first information among all the devices in a preset area, comparing the first information according to preset conditions, and determining a master device and a slave device; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices;
the master device serves as a wireless access point and is connected to an external network, the slave device is connected to the master device, and the master device is connected to the external network.
:
the equipment in the preset area is connected with other equipment except the equipment in the preset area;
the equipment in the preset area sends the first information to other equipment except the equipment and receives the first information sent by other equipment;
the equipment in the preset area compares the received first information with the first information acquired by the equipment according to the preset condition, and determines the master equipment and the slave equipment; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices;
further, the information of the device included in the first information includes the wireless hotspot signal strength of the device, the network connection speed, the location, the distance from the device to other devices, the operation condition of the device, and the electric quantity of the device.
Further, the first information includes physiological information of the device holder including pulse, body temperature, and blood oxygen level.
Further, the preset conditions include:
the distance between the wireless hotspot device and other devices is shortest, the wireless hotspot signal strength is strongest, the device has the best running condition, the device has the most residual electric quantity, the network connection speed is fastest, the pulse is closest to the normal level, the human body temperature is closest to the normal level, and the blood oxygen level is closest to the normal level.
Further, the slave device is connected to the master device, and after accessing the internet through the master device, the method further includes the steps of:
the main device is connected to an external device through an external network:
the slave device sends the first information to the master device;
the main device sorts the received first information and the first information acquired by the main device to obtain first rescue information, and sends the first rescue information to the external device through the external network.
Further, the external devices include communication devices of disaster rescuers, communication devices of disaster rescue related departments, and communication devices of holders' relatives.
Further, the specific steps of the master device sorting the received first information and the first information acquired by the master device to obtain first rescue information include:
the master device receives the first information sent by the slave device;
the main device makes a position schematic diagram of all the devices in the preset area according to the received first information and position information of the devices included in the first information acquired by the main device, and marks the devices and the corresponding first information on the position schematic diagram;
and the master device composes the position schematic diagram into the first rescue information.
Further, the specific steps of the master device sorting the received first information and the first information acquired by the master device to obtain first rescue information include:
the master device receives the first information sent by the slave device;
and the main equipment sorts the first information according to the received first information and the physiological information of the holder included in the first information acquired by the main equipment and a preset sorting condition to obtain first rescue information.
Further, the preset sorting condition includes: sorting according to the degree that the pulse is close to the normal level, sorting according to the degree that the human body temperature is close to the normal level, and sorting according to the degree that the blood oxygen level is close to the normal level.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a wireless communication method suitable for disaster sites, which is characterized in that equipment information and holder physiological information in a preset area are exchanged and compared to determine the main equipment which is most suitable for being used as a wireless access point, so that the mobility and the flexibility of the wireless access point are improved. Meanwhile, in the process of exchanging the comparison information by the equipment, the physiological information and the position information of the holder are collected, so that the rescue work can be carried out smoothly.
Drawings
Fig. 1 is a schematic diagram illustrating steps of a wireless communication method for disaster site according to embodiments 1 and 2 of the present invention;
fig. 2 is a schematic diagram illustrating a specific implementation step of step S2 of the wireless communication method according to embodiments 1 and 2 of the present invention;
fig. 3 is a schematic diagram illustrating a specific implementation step of step S6 of the wireless communication method according to embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a specific implementation step of step S6 of the wireless communication method according to embodiment 2 of the present invention.
Detailed Description
In order to fully understand the objects, features and effects of the present invention, the concept, specific steps and technical effects of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1, the present embodiment discloses a wireless communication method suitable for a disaster site, which is particularly suitable for wireless communication in an earthquake disaster site, and includes the steps of:
s1, the equipment acquires first information; the first information comprises information of the device and physiological information of the device holder, and the first information corresponds to the device;
specifically, the information of the device includes the wireless hotspot signal strength of the device, the network connection speed, the location, the distance to other devices, the running condition of the device, and the electric quantity of the device;
specifically, the physiological information of the equipment holder comprises pulse, body temperature and blood oxygen level;
specifically, the device in step S1 is a mobile terminal equipped with a physiological information acquisition module, where the physiological information acquisition module may be a physiological probe worn on the holder and used to detect the physiological information of the holder, and specifically, the physiological probe includes a blood oxygen probe, a pulse detection probe, and a temperature sensing probe; the mobile terminal can acquire own device information, such as wireless hotspot signal intensity of the mobile terminal, network connection speed, the position, the distance between the mobile terminal and other devices, the device operation condition, the device electric quantity and the like, and simultaneously acquire the physiological information of the holder through the physiological information acquisition module, and form the acquired device information and the physiological information into first information.
S2, exchanging the first information among all devices in a preset area, comparing the first information according to preset conditions, and determining a master device and a slave device; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices;
specifically, as shown in fig. 2, the specific step of determining the master device and the slave device by all the devices in the area in step S2 includes:
s21: the equipment in the preset area is connected with other equipment except the equipment;
s22: the method comprises the steps that equipment in a preset area sends first information to other equipment except the equipment and receives the first information sent by the other equipment;
s23: the equipment in the preset area compares the received first information with the first information acquired by the equipment per se according to preset conditions, and determines the master equipment and the slave equipment; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices;
by implementing steps S21 to S23, all devices in the preset area do not need to use a single server to comprehensively compare information of all devices, and only by exchanging information through communication connection in the local area, the device itself can be compared to obtain the device that best meets the preset conditions.
Specifically, the preset conditions in step S2 include:
the distance between the wireless network and other equipment is shortest, the wireless hotspot signal strength is strongest, the equipment operation condition is best, the equipment electric quantity is most remained, and the network connection speed is fastest;
by setting different preset conditions, the user can select the most suitable equipment as the wireless access point,
specifically, in this embodiment, due to the complex terrain of the earthquake disaster site, most of the devices cannot receive signals of an external network, and the user sets the preset condition to be the fastest network connection speed, so that by implementing step S2, after all the devices are exchanged and compared, the device with the fastest network connection speed can be determined as the main device, and the other devices are connected to the network through the wireless hotspot of the main device, so as to ensure the stability of external communication to the greatest extent.
S3, the master device is used as a wireless access point to be connected to an external network, the slave device is connected to the master device, and the master device is connected to the external network;
s4, connecting the main device to the external device through the external network;
specifically, the external devices in step S4 include communication devices of disaster relief workers, communication devices of disaster relief related departments, and communication devices of holders' relatives;
s5, the slave device sends the first information to the master device;
s6, the main device sorts the received first information and the first information acquired by the main device to obtain first rescue information, and the first rescue information is sent to the external device through the external network.
Specifically, in this embodiment, when a disaster relief worker arrives at a site, a holder of the main device may select a communication device (such as an intercom of the disaster relief worker) to be quickly connected to the disaster relief worker after the holder of the main device successfully establishes a connection with an external network, to keep in touch with the disaster relief worker, and send the sorted first relief information to the disaster relief worker, so as to achieve an optimal relief effect.
Specifically, as shown in fig. 3, the specific steps of the master device sorting the received first information and the first information acquired by the master device in step S6 to obtain first rescue information include:
s601, the master device receives first information sent by the slave device;
s602, the main device makes a position schematic diagram of all devices in the preset area according to the received first information and the position information of the devices included in the first information acquired by the main device, and marks the devices and the corresponding first information on the position schematic diagram;
and S603, the main device enables the position schematic diagram to form first rescue information.
Through the implementation of the steps S601 to S603, the main device sorts the first information of all the devices to obtain a position schematic diagram, the schematic diagram also contains physiological information of all the holders, and after the main device sends the schematic diagram to the rescue device of the disaster worker who has established the connection, the rescue worker can preliminarily know the distribution of the victims at the earthquake disaster site and the health condition of each victim after receiving the schematic diagram, so that a complete and effective rescue plan can be quickly formulated according to the schematic diagram, which is helpful to ensure the smooth development of rescue work.
Through the implementation of the wireless communication method disclosed in the embodiment, a victim at an earthquake disaster site can contact with external disaster relief workers by using the held mobile terminal under the condition that no fixed wireless access point or the fixed wireless access point can not guarantee normal operation, and the disaster relief workers are informed of the site condition.
Example 2
As shown in fig. 1, the present embodiment discloses a wireless communication method suitable for a disaster site, which is particularly suitable for wireless communication at a collapse site of a burst coal mine, and includes the steps of:
s1, the equipment acquires first information; the first information comprises information of the device and physiological information of the device holder, and the first information corresponds to the device; specifically, the information of the device includes the wireless hotspot signal strength of the device, the network connection speed, the location, the distance to other devices, the running condition of the device, and the electric quantity of the device;
specifically, the physiological information of the equipment holder comprises pulse, body temperature and blood oxygen level;
specifically, in an actual situation, the device in step S1 is a mobile terminal equipped with a physiological information obtaining module, where the physiological information obtaining module may be a physiological probe worn on the holder and used for detecting the physiological information of the holder, and specifically, the physiological probe includes a blood oxygen probe, a pulse detection probe, and a temperature sensing probe; the mobile terminal can acquire own device information, such as wireless hotspot signal intensity of the mobile terminal, network connection speed, the position, the distance between the mobile terminal and other devices, the device operation condition, the device electric quantity and the like, and simultaneously acquire the physiological information of the holder through the physiological information acquisition module, and form the acquired device information and the physiological information into first information.
S2, exchanging the first information among all devices in a preset area, comparing the first information according to preset conditions, and determining a master device and a slave device; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices;
specifically, as shown in fig. 2, the specific step of determining the master device and the slave device by all the devices in the area in step S2 includes:
s21: the equipment in the preset area is connected with other equipment except the equipment;
s22: the method comprises the steps that equipment in a preset area sends first information to other equipment except the equipment and receives the first information sent by the other equipment;
s23: the equipment in the preset area compares the received first information with the first information acquired by the equipment per se according to preset conditions, and determines the master equipment and the slave equipment; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices;
by implementing steps S21 to S23, all devices in the preset area do not need to use a single server to comprehensively compare information of all devices, and only by exchanging information through communication connection in the local area, the device itself can be compared to obtain the device that best meets the preset conditions.
Specifically, the preset conditions in step 2 include: the pulse is closest to the normal level, the body temperature is closest to the normal level, and the blood oxygen level is closest to the normal level.
In a disaster environment, the operation of the wireless access point is difficult to guarantee, and proper maintenance is often required for a holder. By setting different preset conditions, a user can select the equipment which is held by the holder and has the best physiological condition as the main equipment, the main equipment which is used as the wireless access point can be ensured to run stably to the greatest extent, and the method is also a protective measure for external stable communication of all equipment.
Specifically, the normal levels in the preset conditions are normal values of pulse, body temperature and blood oxygen level under normal conditions, for example, the normal value of body pulse is 70-80 times/min, which can be specified as 72 times/min; the normal values of the temperature of the human body are 36.3-37.2 ℃ (measured from the oral cavity) and 36.1-37 ℃ (measured from the armpit), and the user can also obtain the specific position of the body temperature according to the physiological probe, and selects the proper value from the two ranges as the normal level; the normal blood oxygen level of a human body is 95% -100%, and can be specified as 99%.
Specifically, in this embodiment, since toxic gas often spreads underground in the environment of an emergency coal mine accident, the blood oxygen level of the holder inhaling the toxic gas is also affected accordingly, at this time, the user may set the preset condition that the blood oxygen level is closest to the normal level, and after receiving the first information, the device may compare the received and self-obtained first information with the normal blood oxygen level (generally 95% -100%, which may be defined as 99%), and determine that the blood oxygen level is closest to 99%, that is, the device corresponding to the first information with the most stable blood oxygen level is the master device.
And S3, the master device is used as a wireless access point to be connected to the external network, the slave device is connected to the master device, and the external network is accessed through the master device.
S4, connecting the main device to the external device through the external network:
specifically, the external devices in step S4 include a communication device for disaster relief personnel, a communication device for disaster relief related department, and a communication device for a holder relative.
S5, the slave device sends the first information to the master device;
s6, the main device sorts the received first information and the first information acquired by the main device to obtain first rescue information, and the first rescue information is sent to the external device through the external network.
Specifically, in this embodiment, due to the contingency of the sudden coal mine accident, the outside does not know the occurrence of the accident in time, and after the holder of the main device successfully establishes a connection with the external network, the holder of the main device can select a communication device (such as an alarm system of a local natural disaster rescue department) which is rapidly connected to a disaster rescue related department, notify the occurrence and position of the coal mine disaster to the related department, and send the first rescue information obtained by sorting to the related department.
Specifically, as shown in fig. 4, the specific step of the master device sorting the received first information and the first information acquired by the master device in step S6 to obtain first rescue information may further include:
s611, the master device receives the first information sent by the slave device;
and S612, the main device sorts the first information according to the received first information and the physiological information of the holder included in the first information acquired by the main device and according to a preset sorting condition to obtain first rescue information.
Specifically, the preset sorting condition in step S612 includes: sorting according to the degree that the pulse is close to the normal level, sorting according to the degree that the human body temperature is close to the normal level, and sorting according to the degree that the blood oxygen level is close to the normal level.
Specifically, the normal level in the preset sorting condition is the normal value of the pulse, the body temperature and the blood oxygen level under the general condition, for example, the normal value of the body pulse is 70-80 times/minute, which can be specified as the specific 72 times/minute; the normal values of the temperature of the human body are 36.3-37.2 ℃ (measured from the oral cavity) and 36.1-37 ℃ (measured from the armpit), and the user can also obtain the specific position of the body temperature according to the physiological probe, and selects the proper value from the two ranges as the normal level; the normal blood oxygen level of a human body is 95% -100%, and can be specified as 99%.
Specifically, in this embodiment, since toxic gas often spreads underground in a coal mine accident environment, the blood oxygen level of a holder inhaling the toxic gas is also affected accordingly, at this time, a user may set a preset sorting condition to sort according to the degree of the blood oxygen level approaching to the normal level, after receiving the first information, the master device may sort the received and self-obtained first information according to the degree of deviation from the normal blood oxygen level (generally 95% -100%, which may be defined as 99%) from large to small, to obtain a sorting result of the health condition of the holder, meanwhile, since the more severe the health condition is during rescue work, the more victims need to obtain timely rescue, the sorting result is also a sorting result of rescue priority of the victims, after the master device sends the sorting result to the external device, the rescuers can quickly know the health condition of the on-site victims according to the sorting result, meanwhile, indirectly, the distribution situation of the toxic gas on site is known, a complete and effective rescue plan is made quickly, and the smooth development of rescue work is ensured.
Through the implementation of the wireless communication method disclosed in the embodiment, a victim in an emergent coal mine disaster site can use the held mobile terminal and personnel in disaster rescue related departments to timely notify the occurrence of accidents and the site conditions under the condition that no fixed wireless access point exists or the normal operation of the fixed wireless access point cannot be guaranteed.
While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that modifications and variations can be effected by one skilled in the art in light of the above teachings without undue experimentation. Therefore, any technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the present inventive concept should be within the scope of protection defined by the present claims.
Claims (9)
1. A wireless communication method for use in a disaster site, the method comprising the steps of:
s1, the equipment acquires first information; the first information comprises information of the device and physiological information of the device holder, and the first information corresponds to the device; the first information comprises physiological information of the device holder including pulse, body temperature, blood oxygen level;
s2, exchanging the first information among all the devices in a preset area, comparing the first information according to preset conditions, and determining a master device and a slave device; the main equipment is the equipment corresponding to the first information meeting the preset condition; the other devices except the main device in the preset area are the slave devices; the preset conditions include: the pulse is closest to the normal level, the body temperature is closest to the normal level, and the blood oxygen level is closest to the normal level;
and S3, the master device is used as a wireless access point to be connected to an external network, and the slave device is connected to the master device and is accessed to the external network through the master device.
2. The wireless communication method for disaster site as claimed in claim 1, wherein the step S2, the specific step of determining the master device and the slave device between all the devices in the preset area includes:
the equipment in the preset area is connected with other equipment except the equipment in the preset area;
the equipment in the preset area sends the first information to other equipment except the equipment and receives the first information sent by other equipment;
the equipment in the preset area compares the received first information with the first information acquired by the equipment according to the preset condition, and determines the master equipment and the slave equipment; the main equipment is the equipment corresponding to the first information meeting the preset condition; and the other devices except the main device in the preset area are the slave devices.
3. The wireless communication method for disaster site as claimed in claim 1, wherein the first information includes information of the device including signal strength of wireless hot spot of the device, network connection speed, location, distance to other devices, device operation status, and device power level.
4. The wireless communication method for disaster site according to claim 3, wherein the preset condition comprises: the wireless hotspot signal strength is the strongest, the device has the best running condition, the device has the most residual electric quantity, and the network connection speed is the fastest.
5. The wireless communication method for disaster site as claimed in claim 3, wherein the slave device is connected to the master device, and after accessing internet through the master device, the method further comprises:
s4, the main device is connected to the external device through the external network:
s5, the slave device sends the first information to the master device;
s6, the main device sorts the received first information and the first information acquired by the main device to obtain first rescue information, and the first rescue information is sent to the external device through the external network.
6. The wireless communication method for disaster sites according to claim 5, wherein the external devices comprise communication devices of disaster relief personnel, communication devices of disaster relief related departments, and communication devices of holders' relatives.
7. The wireless communication method for the disaster site as claimed in claim 5, wherein in step S6, the step of the master device sorting the received first information and the first information obtained by itself to obtain first rescue information includes:
the master device receives the first information sent by the slave device;
the main device makes a position schematic diagram of all the devices in the preset area according to the received first information and position information of the devices included in the first information acquired by the main device, and marks the devices and the corresponding first information on the position schematic diagram;
and the master device composes the position schematic diagram into the first rescue information.
8. The wireless communication method for the disaster site as claimed in claim 5, wherein in step S6, the step of the master device sorting the received first information and the first information obtained by itself to obtain first rescue information includes:
the master device receives the first information sent by the slave device;
and the main equipment sorts the first information according to the received first information and the physiological information of the holder included in the first information acquired by the main equipment and a preset sorting condition to obtain first rescue information.
9. The wireless communication method for disaster site according to claim 8, wherein the preset ordering condition comprises: sorting according to the degree that the pulse is close to the normal level, sorting according to the degree that the human body temperature is close to the normal level, and sorting according to the degree that the blood oxygen level is close to the normal level.
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| CN101188444B (en) * | 2007-05-25 | 2012-04-04 | 中国科学院嘉兴无线传感网工程中心 | A method for distributed section networking in wireless sensing network |
| CN101267404B (en) * | 2008-05-13 | 2010-06-02 | 北京科技大学 | An assister-based clustering method in Ad Hoc network |
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