CN107991648A - The search and rescue localization method and device of a kind of disaster affected people - Google Patents
The search and rescue localization method and device of a kind of disaster affected people Download PDFInfo
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- CN107991648A CN107991648A CN201711218991.0A CN201711218991A CN107991648A CN 107991648 A CN107991648 A CN 107991648A CN 201711218991 A CN201711218991 A CN 201711218991A CN 107991648 A CN107991648 A CN 107991648A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0252—Radio frequency fingerprinting
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract
The embodiment of the present application discloses the search and rescue localization method and device of a kind of disaster affected people, is related to the communications field, improves the efficiency and accuracy of search-and-rescue work in the natural calamities such as earthquake, mud-rock flow, while realizes the generality of search-and-rescue work.Concrete scheme is：Earth's surface fingerprint base before generation calamity, and increase the disaster-stricken attribute of the grid of the devastated, and obtain after disaster finish time in the first preset time in all cells corresponding with each terminal each RSRP of cell, calculate the mean square deviation of the RSRP of all cells, if it is determined that mean square deviation is less than threshold value, the holder for then determining first terminal is disaster affected people, determine the end pile things on loss N of the disaster affected people, and the RSRP of cell corresponding with the grid for belonging to disaster-stricken attribute is subtracted into N, obtain earth's surface fingerprint base after the calamity of the disaster affected people, and according to earth's surface fingerprint base after the corresponding calamity of the disaster affected people, determine the position to be searched and rescued of the disaster affected people.The embodiment of the present application is used for during searching and rescuing.
Description
Technical field
The invention relates to the search and rescue localization method and device of the communications field, more particularly to a kind of disaster affected people.
Background technology
At present, in the case where earthquake, the natural calamity such as mud-rock flow occurs, rescue worker can use life-detection instrument,
Hand-held search terminal etc. by pile things on personnel to being positioned, so as to rescue by pile things on personnel.
Wherein, rescue worker using life-detection instrument to being positioned by pile things on personnel when, it is necessary to devastated into
The investigation of capable position one by one, still, so not only causes the less efficient of search and rescue, but also when by the deeper of pile things on personnel's pile things on
When, it can not be accurately positioned by the position of pile things on personnel.Rescue worker is using hand-held search terminal to being determined by pile things on personnel
, it is necessary to which rescue worker and by the hand-held communication electronic equipment with duplex signaling ability of pile things on personnel, strong by signal during position
Enhancing relation is spent to determine by the position of pile things on personnel.But it so can will not generally hold this due to ordinary user with double
The equipment of work ability to communicate, causes search and rescue to be limited in scope.
Therefore, how in the natural calamities such as earthquake, mud-rock flow, the efficiency and accuracy of search-and-rescue work are improved, at the same it is real
The generality of existing search-and-rescue work is that have the problem of to be solved at present.
The content of the invention
The embodiment of the present application provides a kind of the search and rescue localization method and device of disaster affected people, improves earthquake, mud-rock flow etc.
The efficiency and accuracy of search-and-rescue work in natural calamity, while realize the generality of search-and-rescue work.
To reach above-mentioned purpose, the application adopts the following technical scheme that：
In a first aspect, the application provides a kind of search and rescue localization method of disaster affected people, this method can include：Disaster affected people
Search and rescue positioner generation calamity before earth's surface fingerprint base, and according to actual disaster-stricken situation, determine the grid in devastated,
Increase the disaster-stricken attribute of the grid of the devastated before calamity in earth's surface fingerprint base, and according to each in the grid of the devastated
Long Term Evolution (long term evolution, LTE) network letter of the terminal after disaster finish time in the first preset time
Data are made, obtain the Reference Signal Received Power of each cell in all cells corresponding with each terminal in the first preset time
(reference signal receiving power, RSRP), the search and rescue positioner of disaster affected people calculates and first terminal
The mean square deviation of the RSRP of corresponding all cells, however, it is determined that the mean square deviation of the RSRP of all cells corresponding with the first terminal is small
In threshold value, it is determined that the holder of the first terminal is disaster affected people, and according to earth's surface fingerprint base before calamity, determines the disaster-stricken people
The end pile things on loss N of member, and the RSRP of the corresponding cell of grid in earth's surface fingerprint base before calamity with belonging to disaster-stricken attribute is subtracted
N is removed, obtains earth's surface fingerprint base after the corresponding calamity of the disaster affected people, at this time, the search and rescue positioner of disaster affected people is disaster-stricken according to this
Earth's surface fingerprint base after the corresponding calamity of personnel, determines the position to be searched and rescued of the disaster affected people.Wherein, earth's surface fingerprint base includes before calamity：
The mark of grid, the longitude and latitude of grid, the Reference Signal Received Power RSRP of the corresponding cell of grid and cell, the grid correspond to
Cell include cover the grid cell.First terminal is any one terminal in the grid of devastated.End pile things on
The difference of the RSRP of the cell after the RSRP that N is disaster affected people place cell before disaster occurs occurs with disaster is lost, N is big
In 0.
The search and rescue localization method for the disaster affected people that the application provides, can be with as rescue worker it needs to be determined that during disaster affected people
Directly obtain at the search and rescue positioner of disaster affected people, compared with rescue worker of the prior art one by one position investigation, carry
The high efficiency of search-and-rescue work, even and if disaster affected people by the very deep of pile things on, the search and rescue positioner of disaster affected people can also root
The RSRP that cell is presently according to the disaster affected people calculates that the end pile things on of the disaster affected people is lost, so that according to the end pile things on
Loss determines position to be searched and rescued to correct before calamity earth's surface fingerprint base, improves the accuracy of search-and-rescue work.And due to the application
In the search and rescue positioner of disaster affected people only need possess common communication function, without being that duplex of the prior art is logical
Equipment is interrogated, realizes the generality of search-and-rescue work.
Second aspect, the application provide a kind of search and rescue positioner of disaster affected people, the search and rescue positioning dress of the disaster affected people
Putting to include：Processing unit, determination unit, acquiring unit and computing unit.Wherein, processing unit, for generating before calamity
Table fingerprint base, earth's surface fingerprint base includes before calamity：The mark of grid, the longitude and latitude of grid, the ginseng of the corresponding cell of grid and cell
Signal reception power RSRP is examined, the corresponding cell of the grid includes the cell for covering the grid.Determination unit, for according to reality
Disaster-stricken situation, determines the grid in devastated.Processing unit, is additionally operable to increase determination unit in earth's surface fingerprint base before calamity
The disaster-stricken attribute of the grid of definite devastated.The acquiring unit, for each terminal in the grid according to devastated
LTE network signaling data after disaster finish time in the first preset time, obtains in the first preset time and each whole
Hold the RSRP of each cell in corresponding all cells.Computing unit, for calculating all cells corresponding with first terminal
The mean square deviation of RSRP, first terminal are any one terminal in the grid of devastated.Determination unit, is additionally operable to if it is determined that counting
The mean square deviation for calculating the RSRP for all cells corresponding with first terminal that unit calculates is less than threshold value, it is determined that first terminal
Holder is disaster affected people, and according to earth's surface fingerprint base before calamity, determines the end pile things on loss N of the disaster affected people, which buries
The difference of the RSRP of the cell, N after the RSRP of cell occurs with disaster where disaster affected people before crushing consumption N is disaster generation
More than 0.Acquiring unit, is additionally operable to subtract the RSRP of the corresponding cell of grid in earth's surface fingerprint base before calamity with belonging to disaster-stricken attribute
N is removed, obtains earth's surface fingerprint base after the corresponding calamity of the disaster affected people.Determination unit, is additionally operable to according to the corresponding calamity of the disaster affected people
Earth's surface fingerprint base afterwards, determines the position to be searched and rescued of the disaster affected people.
Concrete implementation mode may be referred to first aspect offer disaster affected people search and rescue localization method in disaster affected people
Search and rescue positioner behavioral function.
The third aspect, the application provide a kind of search and rescue positioner of disaster affected people, the search and rescue positioning dress of the disaster affected people
Putting to include：At least one processor, memory, communication interface and communication bus.At least one processor and memory, lead to
Letter interface is connected by communication bus, and memory is used to store computer executed instructions, when the search and rescue positioner of disaster affected people
During operation, processor performs the computer executed instructions of memory storage, so that the search and rescue positioner of disaster affected people performs such as
The search and rescue localization method of the disaster affected people of any one in the possible implementation of first aspect or first aspect.
Fourth aspect, the application provide a kind of computer-readable storage medium, are stored thereon with computer executed instructions, work as calculating
When machine execute instruction is run on computers so that computer performs the possible implementation such as first aspect or first aspect
The search and rescue localization method of the disaster affected people of middle any one.
Brief description of the drawings
Fig. 1 is that a kind of simplifying for system architecture that can apply the embodiment of the present application provided by the embodiments of the present application is illustrated
Figure；
Fig. 2 is a kind of composition schematic diagram of the search and rescue positioner of disaster affected people provided by the embodiments of the present application；
Fig. 3 is a kind of flow chart of the search and rescue localization method of disaster affected people provided by the embodiments of the present application；
Fig. 4 is the composition schematic diagram of the search and rescue positioner of another disaster affected people provided by the embodiments of the present application；
Fig. 5 is the composition schematic diagram of the search and rescue positioner of another disaster affected people provided by the embodiments of the present application；
Fig. 6 is the composition schematic diagram of the search and rescue positioner of another disaster affected people provided by the embodiments of the present application.
Embodiment
The terms " system " and " network " are often used interchangeably herein.The terms "and/or", only
It is a kind of incidence relation for describing affiliated partner, expression may have three kinds of relations, for example, A and/or B, can represent：Individually
There are A, while there are A and B, these three situations of individualism B.In addition, character "/" herein, typicallys represent forward-backward correlation pair
A kind of as if relation of "or".
The embodiment of the embodiment of the present application is described in detail below in conjunction with attached drawing.
Fig. 1 is that a kind of simplifying for system architecture that can apply the embodiment of the present application provided by the embodiments of the present application is illustrated
Figure, as shown in Figure 1, the system architecture can include：Disaster affected people searches and rescues at least one of positioner 11 and devastated
Terminal 12.
Wherein, the search and rescue positioner 11 of disaster affected people, is the executive agent of search-and-rescue work.In concrete implementation, by
The search and rescue positioner 11 of calamity personnel, whether the holder of each terminal at least one terminal 12 for determining devastated
For disaster affected people, and determine the position to be searched and rescued of disaster affected people.
First terminal at least one terminal 12, for reporting LTE network signaling data, the LTE network signaling data
In can include：The corresponding at least one cell of first terminal, and at least one cell each cell RSRP.Wherein,
First terminal is any one terminal at least one terminal 12, and the corresponding at least one cell of the first terminal refers to covering
The cell of lid first terminal region.
In concrete implementation, each terminal at least one terminal 12 can be mobile phone, tablet computer, notebook electricity
Brain, Ultra-Mobile PC (ultra-mobile personal computer, UMPC), net book, individual digital help
Manage (personal digital assistant, PDA), laptop computer (laptop) etc..It is with terminal 12 in Fig. 1
Mobile phone is to exemplify.
Fig. 2 is a kind of composition schematic diagram of the search and rescue positioner of disaster affected people provided by the embodiments of the present application, such as Fig. 2 institutes
Show, the search and rescue positioner of the disaster affected people can include：At least one processor 21, memory 22, communication interface 23 and logical
Believe bus 24.
Wherein, processor 21 is the control centre of the search and rescue positioner of disaster affected people, can be a processor, also may be used
To be the general designation of multiple treatment elements.For example, processor 21 be a central processing unit (central processing unit,
CPU) or specific integrated circuit (application specific integrated circuit, ASIC), or
It is arranged to implement one or more integrated circuits of the embodiment of the present application, such as：One or more digital signal processors
(digital signalprocessor, DSP), or, one or more field programmable gate array (field
Programmable gate array, FPGA).
In concrete implementation, as a kind of embodiment, processor 21 can include one or more CPU, such as in Fig. 2
Shown CPU0 and CPU1.And can include multiple processors as a kind of embodiment, the search and rescue positioner of disaster affected people,
Such as processor 21 and processor 25 shown in Fig. 2.Each in these processors can be a single core processor
(single-CPU) or a polycaryon processor (multi-CPU).Here processor can refer to one or more and set
Standby, circuit, and/or the process cores for handling data (such as computer program instructions).
Memory 22 can be read-only storage (read-only memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored
Breath and the other kinds of dynamic memory or Electrically Erasable Programmable Read-Only Memory (electrically of instruction
Erasable programmable read-only memory, EEPROM), read-only optical disc (compact disc read-
Only memory, CD-ROM) or other optical disc storages, laser disc storage (including compression laser disc, laser disc, laser disc, digital universal
Laser disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with referring to
Order or data structure form desired program code simultaneously can by any other medium of computer access, but not limited to this.
Memory 22 can be individually present, and be connected by communication bus 24 with processor 21.Memory 22 can also and processor
21 integrate.
In concrete implementation, memory 22, for storing the data in the application and performing the software program of the application.
And processor 21 can be by running or perform the software program being stored in memory 22, and call and be stored in memory 22
Interior data, perform the various functions of the search and rescue positioner of disaster affected people.
Communication interface 23, using the device of any transceiver one kind, for other equipment or communication, such as eventually
End, wireless access network (radio access network, RAN), WLAN (wireless local area
Networks, WLAN) etc..Communication interface 23 can realize that receive capabilities, and transmitting element are realized and sent including receiving unit
Function.
Communication bus 24, can be industry standard architecture (industry standard architecture, ISA)
Bus, external equipment interconnection (peripheral component interconnect, PCI) bus or extension industrial standard body
Architecture (extended industry standard architecture, EISA) bus etc..The bus can be divided into address
Bus, data/address bus, controlling bus etc..For ease of representing, only represented in Fig. 2 with a thick line, it is not intended that only one
Bus or a type of bus.
In order to improve the efficiency and accuracy of the search-and-rescue work in the natural calamities such as earthquake, mud-rock flow, while realize search and rescue
The generality of work, the embodiment of the present application provide a kind of search and rescue localization method of disaster affected people.As shown in figure 3, this method can
With including：
301st, earth's surface fingerprint base before the search and rescue positioner generation calamity of disaster affected people.
Wherein, in the case where the natural calamities such as earthquake, mud-rock flow occur, the search and rescue positioner of disaster affected people can be first
Earth surface is divided into closely coupled grid uniform in size, each grid corresponds to unique mark, then further according to disaster
LTE network base station work ginseng information before generation, and propagation model, obtain the longitude and latitude of each grid, each grid corresponds to
Cell and cell RSRP, so as to generate earth's surface fingerprint base before calamity, earth's surface fingerprint base includes before the calamity：The mark of grid,
The corresponding cell of longitude and latitude, grid of grid and the RSRP of cell.Wherein, included in the corresponding cell of grid and cover the grid
Cell.
302nd, the search and rescue positioner of disaster affected people determines the grid in devastated according to actual disaster-stricken situation, and
Increase the disaster-stricken attribute of the grid of devastated in earth's surface fingerprint base before calamity.
303rd, disaster affected people searches and rescues positioner according to each terminal in the grid of devastated at the end of disaster
LTE network signaling data after quarter in the first preset time, obtains corresponding with each terminal all in the first preset time
The RSRP of each cell in cell.
Wherein, for any one terminal in the grid of devastated, such as first terminal, the search and rescue positioning of disaster affected people
Device can first obtain disaster finish time, then existed according to first terminal after the grid in devastated is determined
The LTE network signaling data in the first preset time after disaster finish time, obtains multiple in first preset time
In moment, the RSRP of the cell at each moment, and using the RSRP of all cells as a set, which is first pre-
If the RSRP of all cells corresponding with first terminal in the time.
304th, the mean square deviation searched and rescued positioner and calculate the RSRP of all cells corresponding with first terminal of disaster affected people.
305th, disaster affected people search and rescue positioner determine all cells corresponding with first terminal RSRP it is square
When difference is less than threshold value, the mark of first terminal is shown.
Wherein, the search and rescue positioner of disaster affected people is calculating the equal of the RSRP of all cells corresponding with first terminal
After variance, the size of the mean square deviation and threshold value can be compared.If the mean square deviation is more than threshold value, show first terminal
Holder disaster occur the moment after scope of activities it is larger, at this time determine first terminal holder be not disaster-stricken people
Member.If the mean square deviation is less than threshold value, show scope of activities of the holder of first terminal after the moment occurs for disaster
Smaller or be basically unchanged, then the holder for primarily determining that first terminal is disaster affected people.
Further, in order to filter out disaster affected people exactly, the search and rescue positioner of disaster affected people can determine with
When the mean square deviation of the RSRP of the corresponding all cells of first terminal is less than threshold value, the mark of first terminal is shown, to manage
Member is screened according to the mark of display, and is operated accordingly.For example, it is assumed that terminal is mobile phone, terminal is identified as hand
Machine number, then after the search and rescue positioner of disaster affected people shows phone number, administrator can dial the phone number,
And determining that the holder of first terminal is disaster affected people after determining to get in touch, administrator can be to the cell-phone number at this time
Code carries out confirmation operation.
306th, the search and rescue positioner of disaster affected people is when detecting administrator to the confirmation operation of the mark of first terminal,
The holder for determining first terminal is disaster affected people.
Wherein, the search and rescue positioner of disaster affected people can detect pipe after the mark of first terminal is shown
When reason person is to the confirmation operation of the mark of first terminal, the holder for determining first terminal is disaster affected people.
307th, the search and rescue positioner of disaster affected people determines that the end pile things on of disaster affected people damages according to earth's surface fingerprint base before calamity
Consume N.
Wherein, the end pile things on loss N of disaster affected people be before disaster occurs the RSRP of cell where the disaster affected people with
The difference of the RSRP of the cell after disaster occurs, N are more than 0.After disaster generation, since the disaster affected people is by pile things on, make
The corresponding each cell of disaster affected people RSRP when not by pile things on compared with, be lost, and disaster occur after it is each small
The amount all same of the RSRP losses in area, therefore the search and rescue positioner of disaster affected people can be corresponding according to actual first terminal
The RSRP of each cell, and in step 301 before calamity in earth's surface fingerprint base, the RSRP of each cell, pushes away before disaster generation
Calculate the end pile things on loss N of the disaster affected people.
Specifically, the search and rescue positioner of disaster affected people can be obtained according to the current network signaling data of first terminal
Currently at least one cell corresponding with first terminal each cell RSRP, and the RSRP of each cell added respectively default
Value, the RSRP of each cell after being handled, and filtered out before calamity in earth's surface fingerprint base in the corresponding cell of grid at the same time
Include the entry of at least one cell, respectively calculating processing after each cell RSRP with, in each entry filtered out
The sum of difference of RSRP of respective cell.At this time, the search and rescue positioner of disaster affected people can determine most from all and value
Small and value, and record minimum and value, and plus preset value number.Then the search and rescue positioner of disaster affected people
To continue the RSRP of each cell after processing adding preset value respectively, and by with earth's surface fingerprint storehouse matching before calamity, record is most
Small and value, and add the number of preset value.In this way, the search and rescue positioner of disaster affected people can repeat：Will be each small
The RSRP in area adds preset value respectively, record minimum and value and the number for adding preset value, until obtaining record and be worth
During middle minimum and value, current plus preset value number K is obtained, K is the integer more than 0, and the end of the disaster affected people is buried at this time
Crushing consumption is the product of K and preset value.
It is exemplary, it is assumed that the RSRP of the corresponding cell of the mark of grid, grid and cell is such as in earth's surface fingerprint base before calamity
Shown in table 1, wherein, the grid for being identified as 1,2,3 is the grid of devastated.And assume that preset value is 1, the search and rescue of disaster affected people
The RSRP for two cells corresponding with first terminal that positioner is got is respectively：The RARP of cell A is 10, cell B's
RSRP is 12.
Table 1
| Grid identifier | The corresponding cell of grid | The RSRP of cell |
| 1 | A、B、C | A：15, B：18, C：20 |
| 2 | A、B、C、D | A：13, B：15, C：30, D：10 |
| 3 | A、D、E | A：18, D：19, E：24 |
| 4 | A、C | A：26, C：17 |
So, the RSRP of cell A and cell B can be added 1 respectively by the search and rescue positioner of disaster affected people, obtain cell A
RSRP be 11, the RSRP of cell B is 13.Then the search and rescue positioner of disaster affected people can filter out while wrap from table 1
Entry containing cell A and cell B, i.e. the first row and the entry of the second row, and the RSRP11 of the cell A after processing is calculated, it is small
The sum of difference of RSRP of respective cell in the RSRP13 of area B, with the entry of the first row is (15) 11)+(18) 13) to 9, count
RSRP11, the RSRP13 of cell B of cell A after calculation processing, the difference with the RSRP of the respective cell in the entry of the second row
The sum of be (13) 11)+(15) 13) to 4, disaster affected people searches and rescues minimum in positioner record result of calculation and value 4 at this time,
And add the number 1 of preset value.Then the search and rescue positioner of disaster affected people can continue the RSRP of cell A and cell B points
Not plus the RSRP of 1, the cell A after being handled is 12, and the RSRP of cell B is 14, and the minimum and value recorded at this time is 2,
The number for adding preset value is 2.Then the search and rescue positioner of disaster affected people can continue to distinguish the RSRP of cell A and cell B
Add 1, the RSRP of the cell A after being handled is 13, and the RSRP of cell B is 15, and the minimum and value recorded at this time is 0, is added
The number of preset value is 3.At this time, the search and rescue positioner of disaster affected people can determine the end pile things on loss of the disaster affected people
For 3*1=3.
308th, the search and rescue positioner of disaster affected people will be corresponding with belonging to the grid of disaster-stricken attribute in earth's surface fingerprint base before calamity
The RSRP of cell subtract N, obtain earth's surface fingerprint base after the corresponding calamity of disaster affected people.
Wherein, the search and rescue positioner of disaster affected people is after the end pile things on loss N of the disaster affected people is determined, can be with
By with belonging to the grid of disaster-stricken attribute, i.e. the RSRP of the corresponding cell of grid of devastated subtracts respectively in earth's surface fingerprint base before calamity
N is removed, obtains earth's surface fingerprint base after the corresponding calamity of the disaster affected people.
Exemplary, according to the example in step 307, the search and rescue positioner of disaster affected people will can be identified as in table 1
1st, N is individually subtracted in the RSRP of the corresponding cell of 2,3 grid, earth's surface fingerprint base after the corresponding calamity of the disaster affected people is obtained, such as table 2
It is shown.
Table 2
| Grid identifier | The corresponding cell of grid | The RSRP of cell |
| 1 | A、B、C | A：12, B：15, C：17 |
| 2 | A、B、C、D | A：10, B：12, C：27, D：7 |
| 3 | A、D、E | A：15, D：16, E：21 |
309th, the search and rescue positioner of disaster affected people according to first terminal disaster occur the moment before the second preset time
Interior LTE network signaling data, obtains corresponding with the first terminal cell recorded at different moments in the second preset time
RSRP。
Wherein, the search and rescue positioner of disaster affected people can first obtain the disaster generation moment, then be existed according to first terminal
The LTE network signaling data in the second preset time before the disaster generation moment, obtains the difference in second preset time
In moment, the RSRP of the cell of each moment record.
It should be noted that in the embodiment of the present application, it can be pre-configured with the search and rescue positioner of disaster affected people
First preset time in step 303, and the value of the second preset time.
310th, the search and rescue positioner of disaster affected people will record and first terminal pair at different moments in the second preset time
The RSRP for the cell answered, is matched with earth's surface fingerprint base before calamity respectively, determines that first terminal is different in the second preset time
Target grid residing for moment.
Wherein, the search and rescue positioner of disaster affected people can get recorded at different moments in the second preset time with
After the RSRP of the corresponding cell of first terminal, by any instant at different moments, such as RSRP of the cell at the first moment with
Earth's surface fingerprint base is matched before calamity, determines the target grid at first moment, and the condition which meets is：Target grid
The cell at the first moment is included in the corresponding cell of lattice, and the RSRP of the cell at the first moment actually obtained, with target grid
The sum of difference of RSRP of respective cell minimum in corresponding cell, and the region residing for the target grid is on road.
311st, disaster affected people search and rescue positioner according to first terminal in the second preset time it is residing at different moments
Target grid, determines state of the first terminal in the second preset time, and according to first terminal in the second preset time
State, determines the calamity front position of first terminal.
Wherein, state includes inactive state and motion state.The search and rescue positioner of disaster affected people can determine first
After terminal target grid residing at different moments in the second preset time, determine that the holder of the first terminal is pre- second
If the state in the time.If the state of first terminal is inactive state, the search and rescue positioner of disaster affected people can be by
One terminal is in calamity front position of the longitude and latitude as first terminal of the target grid residing for the middle last moment at different moments.If the
The state of one terminal is motion state, then the search and rescue positioner of disaster affected people can be first according to first terminal when second is default
In residing target grid at different moments, determine the speed of service V of first terminal.Then formula is used along road direction again：1
=A+V*T/2, obtains the calamity front position of first terminal, wherein, T is the disaster duration, and A is first terminal at different moments
The longitude and latitude of target grid residing for last moment.
It should be noted that in the embodiment of the present application, step 303- steps 308, the execution with step 309- steps 311
There is no precedence relationship, i.e., after execution of step 301- steps 302, step 303- steps 308 can be first carried out, then held again
Row step 309- steps 311, alternatively, step 309- steps 311 can also be first carried out, then perform step 303- steps 308 again,
Alternatively, step 303- steps 308 and step 309- steps 311 can also be performed at the same time, the embodiment of the present application is at this to step
303- steps 308, are not particularly limited with the execution sequence of step 309- steps 311.
312nd, the search and rescue positioner of disaster affected people determines disaster-stricken people according to earth's surface fingerprint base after the corresponding calamity of disaster affected people
The position to be searched and rescued of member.
Wherein, the search and rescue positioner of disaster affected people can after the calamity of the disaster affected people is obtained earth's surface fingerprint base, and really
After making the calamity front position of the disaster affected people, by each cell in currently at least one cell corresponding with first terminal
RSRP, earth's surface fingerprint base is matched after calamity corresponding with the disaster affected people, is obtained grid set, is included in the grid set
Grid meets the following conditions：At least one cell is included in the corresponding cell of grid at the same time, and it is each small at least one cell
The sum of the RSRP in area, the difference of RSRP of respective cell corresponding with grid is minimum.At this time, if only including one in grid set
A grid, the then position to be searched and rescued that the search and rescue positioner of disaster affected people can be using the region residing for the grid as the disaster affected people
Put.If including at least one grid in grid set, the search and rescue positioner of disaster affected people can use Euclidean distance public
Formula, respectively calculates the longitude and latitude of each grid in the calamity front position and at least one grid of first terminal, and obtains
Minimum value in all result of calculations, the region residing for grid corresponding with minimum value is waited to search and rescue as the disaster affected people
Position, grid corresponding with minimum value can be one, or multiple.
It should be noted that the search and rescue positioner in the embodiment of the present application only with disaster affected people determines holding for first terminal
The person of having is disaster affected people, and determines to illustrate exemplified by the position to be searched and rescued of the disaster affected people, for the grid of devastated
Interior all terminals, the search and rescue positioner of disaster affected people can determine disaster-stricken people by the way of step 303- steps 312
Member, and determine the position to be searched and rescued of each disaster affected people.
The search and rescue localization method for the disaster affected people that the application provides, can be with as rescue worker it needs to be determined that during disaster affected people
Directly obtain at the search and rescue positioner of disaster affected people, compared with rescue worker of the prior art one by one position investigation, carry
The high efficiency of search-and-rescue work, even and if disaster affected people by the very deep of pile things on, the search and rescue positioner of disaster affected people can also root
The RSRP that cell is presently according to the disaster affected people calculates that the end pile things on of the disaster affected people is lost, so that according to the end pile things on
Loss determines position to be searched and rescued to correct before calamity earth's surface fingerprint base, improves the accuracy of search-and-rescue work.And due to the application
In the search and rescue positioner of disaster affected people only need possess common communication function, without being that duplex of the prior art is logical
Equipment is interrogated, realizes the generality of search-and-rescue work.
It is above-mentioned that mainly scheme provided by the embodiments of the present application is carried out from the angle of the search and rescue positioner of disaster affected people
Introduce.It is understood that the search and rescue positioner of disaster affected people, in order to realize above-mentioned function, it comprises perform each function
Corresponding hardware configuration and/or software module.Those skilled in the art should be readily appreciated that, with reference to disclosed herein
Each exemplary algorithm steps of embodiment description, the present invention can be come real with the combining form of hardware or hardware and computer software
It is existing.Some functions is performed in a manner of hardware or computer software driving hardware actually, specific depending on technical solution
Using and design constraint.Professional technician can be described to be realized using distinct methods to each specific application
Function, but it is this realization it is not considered that beyond the scope of this invention.
The embodiment of the present application can carry out function module according to search and rescue positioner of the above method example to disaster affected people
Division, for example, can correspond to each function divides each function module, two or more functions can also be integrated
In a processing module.Above-mentioned integrated module can both be realized in the form of hardware, can also use software function mould
The form of block is realized.It should be noted that the division in the embodiment of the present application to module is schematical, it is only a kind of logic
Function divides, and can have other dividing mode when actually realizing.
In the case where dividing each function module using corresponding each function, Fig. 4 shows in above-mentioned and embodiment and relates to
And disaster affected people search and rescue positioner alternatively possible composition schematic diagram, as shown in figure 4, the search and rescue of the disaster affected people
Positioner can include：Processing unit 41, determination unit 42, acquiring unit 43 and computing unit 44.
Wherein, processing unit 41, the search and rescue positioner for supporting disaster affected people perform the disaster affected people shown in Fig. 3
Search and rescue the step 301 in localization method, the grid for increasing devastated in earth's surface fingerprint base before calamity described in step 302 by
Calamity attribute.
Determination unit 42, the search and rescue positioner for supporting disaster affected people perform the search and rescue of the disaster affected people shown in Fig. 3
Described in step 302 in localization method according to actual disaster-stricken situation, determine the grid in devastated, step 306, step
307th, step 310, step 311, step 312.
Acquiring unit 43, the search and rescue positioner for supporting disaster affected people perform the search and rescue of the disaster affected people shown in Fig. 3
Step 303, step 308, step 309 in localization method.
Computing unit 44, the search and rescue positioner for supporting disaster affected people perform the search and rescue of the disaster affected people shown in Fig. 3
Step 304 in localization method.
In the embodiment of the present application, further, as shown in figure 5, the search and rescue positioner of disaster affected people can also include：
Display unit 45.
Display unit 45, the search and rescue positioner for supporting disaster affected people perform the search and rescue of the disaster affected people shown in Fig. 3
Step 305 in localization method.
It should be noted that all related contents for each step that above method embodiment is related to can quote correspondence
The function description of function module, details are not described herein.
The search and rescue positioner of disaster affected people provided by the embodiments of the present application, the search and rescue for performing above-mentioned disaster affected people are determined
Position method, therefore the effect identical with the search and rescue localization method of above-mentioned disaster affected people can be reached.
In the case of using integrated unit, Fig. 6 shows the search and rescue of disaster affected people involved in above-described embodiment
The alternatively possible composition schematic diagram of positioner.As shown in fig. 6, the search and rescue positioner of the disaster affected people includes：Processing
Module 51 and communication module 52.
The action that processing module 51 is used for the search and rescue positioner to disaster affected people is controlled management, for example, processing mould
Block 51 be used to supporting the search and rescue positioner of disaster affected people perform step 301 in Fig. 3, step 302, step 303, step 304,
Step 305, step 306, step 307, step 308, step 309, step 310, step 311, step 312, and/or for herein
Other processes of described technology.Communication module 52 is used to support that the search and rescue positioner of disaster affected people and other networks are real
Body, such as the communication of terminal.The search and rescue positioner of disaster affected people can also include memory module 53, for storing disaster affected people
Search and rescue the program code and data of positioner.
Wherein, processing module 51 can be the processor in Fig. 2.It can realize or perform with reference to the disclosure of invention
Described various exemplary logic blocks, module and circuit.Processor can also be the combination for realizing computing function, such as
Combined comprising one or more microprocessors, combination of DSP and microprocessor etc..Communication module 52 can be logical in Fig. 2
Believe interface.Memory module 53 can be the memory in Fig. 2.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, can as needed will be upper only with the division progress of above-mentioned each function module for example, in practical application
State function distribution to be completed by different function modules, i.e., the internal structure of device is divided into different function modules, to complete
All or part of function described above.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can pass through it
Its mode is realized.For example, device embodiment described above is only schematical, for example, the module or unit
Division, is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another device can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown can be a physical location or multiple physical locations, you can with positioned at a place, or can also be distributed to
Multiple and different places.Some or all of unit therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a read/write memory medium.Based on such understanding, the technical solution of the embodiment of the present application is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
Embody, which is stored in a storage medium, including some instructions are used so that an equipment (can be single
Piece machine, chip etc.) or processor (processor) perform all or part of step of each embodiment the method for the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
The invention discloses technical scope in change or replacement, should be covered by the protection scope of the present invention.Therefore, this hair
Bright protection domain should be based on the protection scope of the described claims.
Claims (14)
- A kind of 1. search and rescue localization method of disaster affected people, it is characterised in that the described method includes：Earth's surface fingerprint base before calamity is generated, earth's surface fingerprint base includes before the calamity：The mark of grid, the longitude and latitude of grid, grid pair The Reference Signal Received Power RSRP of the cell answered and cell, the corresponding cell of the grid, which includes, covers the small of the grid Area；According to actual disaster-stricken situation, the grid in devastated is determined, and before the calamity in earth's surface fingerprint base described in increase The disaster-stricken attribute of the grid of devastated；According to each terminal in the grid of the devastated after disaster finish time it is long-term in the first preset time Evolution LTE network signaling data, obtains each cell in the interior all cells corresponding with each terminal of first preset time RSRP；Calculate the mean square deviation of the RSRP of all cells corresponding with first terminal, however, it is determined that corresponding with the first terminal all The mean square deviation of the RSRP of cell is less than threshold value, it is determined that the holder of the first terminal is disaster affected people；Described first eventually Hold any one terminal in the grid for the devastated；According to earth's surface fingerprint base before the calamity, determine that N is lost in the end pile things on of the disaster affected people, N is lost in the end pile things on The difference of the RSRP of the cell, N are big after the RSRP of cell occurs with disaster where foregoing description disaster affected people occurs for disaster In 0；The RSRP of the corresponding cell of grid in earth's surface fingerprint base before the calamity with belonging to disaster-stricken attribute is subtracted into the N, is obtained Earth's surface fingerprint base after the corresponding calamity of the disaster affected people；According to earth's surface fingerprint base after the corresponding calamity of the disaster affected people, the position to be searched and rescued of the disaster affected people is determined.
- 2. according to the method described in claim 1, it is characterized in that, it is disaster-stricken in the holder for determining the first terminal Before personnel, further include：Show the mark of the first terminal；The holder for determining the first terminal is disaster affected people, including：When detecting administrator to the confirmation operation of the mark of the first terminal, the holder for determining the first terminal is Disaster affected people.
- 3. method according to claim 1 or 2, it is characterised in that it is described according to earth's surface fingerprint base before the calamity, determine institute The end pile things on loss N of disaster affected people is stated, including：A, according to the current LTE network signaling data of the first terminal, obtain corresponding with the first terminal at least one The RSRP of each cell in cell；B, the RSRP of each cell at least one cell is added into preset value respectively, each cell after being handled RSRP, and determine the RSRP of each cell after processing and phase in the corresponding cell of grid before the calamity in earth's surface fingerprint base Answer minimum in the sum of difference of RSRP of cell and value；C, minimum in the sum of the difference and value is recorded, and adds the number of the preset value；Repeat step B and step C, until obtain record and in value during minimum and value, obtain plus the preset value Number K, the end pile things on loss N of the disaster affected people are the product of K and the preset value, and K is the integer more than 0.
- 4. method according to any one of claim 1-3, it is characterised in that the method further includes：According to LTE network signaling data of the first terminal before the moment occurs for disaster in the second preset time, institute is obtained State the RSRP of the cell corresponding with the first terminal recorded at different moments in the second preset time；By the RSRP of the cell corresponding with the first terminal recorded at different moments in second preset time, respectively with institute Earth's surface fingerprint base is matched before stating calamity, determines first terminal mesh residing at different moments in second preset time Mark grid；According to first terminal target grid residing at different moments in second preset time, described first is determined eventually Hold the state in second preset time；According to state of the first terminal in second preset time, the calamity front position of the first terminal is determined.
- It is 5. described according to the method described in claim 4, it is characterized in that, the state includes inactive state and motion state According to state of the first terminal in second preset time, the calamity front position of the first terminal is determined, including：If the state of the first terminal is inactive state, by the first terminal in the last moment middle at different moments Calamity front position of the longitude and latitude of residing target grid as the first terminal；If the state of the first terminal is motion state, according to the first terminal in second preset time not Residing target grid in the same time, determines the speed of service V of the first terminal, and uses formula：1=A+V*T/2, obtains institute State the calamity front position of first terminal；Wherein, T is the disaster duration, A for the first terminal it is described at different moments in it is last The longitude and latitude of target grid residing for moment.
- 6. method according to claim 4 or 5, it is characterised in that after the corresponding calamity according to the disaster affected people Table fingerprint base, determines the position to be searched and rescued of the disaster affected people, including：It is corresponding with the disaster affected people by the RSRP of each cell at least one cell corresponding with the first terminal Calamity after earth's surface fingerprint base matched, obtain grid set；If a grid is only included in the grid set, using the treating as the disaster affected people of the region residing for the grid Search and rescue position；If at least one grid is included in the grid set, using Euclidean distance formula respectively to the first terminal The longitude and latitude of each grid is calculated in calamity front position and at least one grid, and is obtained minimum in result of calculation Value, the position to be searched and rescued using the region residing for grid corresponding with the minimum value as the disaster affected people.
- 7. the search and rescue positioner of a kind of disaster affected people, it is characterised in that the search and rescue positioner of the disaster affected people includes：Place Manage unit, determination unit, acquiring unit and computing unit；The processing unit, for generating earth's surface fingerprint base before calamity, earth's surface fingerprint base includes before the calamity：The mark of grid, grid The Reference Signal Received Power RSRP of the corresponding cells of longitude and latitude, grid of lattice and cell, the corresponding cell of the grid include Cover the cell of the grid；The determination unit, for according to actual disaster-stricken situation, determining the grid in devastated；The processing unit, be additionally operable to before the calamity to increase in earth's surface fingerprint base the determination unit determine described in by disaster area The disaster-stricken attribute of the grid in domain；The acquiring unit, for each terminal in the grid according to the devastated first after disaster finish time Long Term Evolution LTE network signaling data in preset time, obtains institute corresponding with each terminal in first preset time There is the RSRP of each cell in cell；The computing unit, the mean square deviation of the RSRP for calculating all cells corresponding with first terminal；The first terminal For any one terminal in the grid of the devastated；The determination unit, is additionally operable to if it is determined that corresponding with the first terminal all cells that the computing unit calculates The mean square deviation of RSRP is less than threshold value, it is determined that the holder of the first terminal is disaster affected people；According to earth's surface before the calamity Fingerprint base, determine the loss of end the pile things on N, the end pile things on loss N of the disaster affected people for disaster occur the foregoing description by The difference of the RSRP of the cell after the RSRP of cell occurs with disaster where calamity personnel, N are more than 0；The acquiring unit, be additionally operable to by earth's surface fingerprint base before the calamity with belonging to the grid corresponding cell of disaster-stricken attribute RSRP subtracts the N, obtains earth's surface fingerprint base after the corresponding calamity of the disaster affected people；The determination unit, is additionally operable to, according to earth's surface fingerprint base after the corresponding calamity of the disaster affected people, determine the disaster affected people Position to be searched and rescued.
- 8. device according to claim 7, it is characterised in that the search and rescue positioner of the disaster affected people, further includes：It is aobvious Show unit；The display unit, for showing the mark of the first terminal；The determination unit, is specifically used for：When detecting administrator to the confirmation operation of the mark of the first terminal, determine The holder of the first terminal is disaster affected people.
- 9. the device according to claim 7 or 8, it is characterised in that the determination unit, is specifically used for：A, according to the current LTE network signaling data of the first terminal, obtain corresponding with the first terminal at least one The RSRP of each cell in cell；B, the RSRP of each cell at least one cell is added into preset value respectively, each cell after being handled RSRP, and determine the RSRP of each cell after processing and phase in the corresponding cell of grid before the calamity in earth's surface fingerprint base Answer minimum in the sum of difference of RSRP of cell and value；C, minimum in the sum of the difference and value is recorded, and adds the number of the preset value；Repeat step B and step C, until obtain record and in value during minimum and value, obtain plus the preset value Number K, the end pile things on loss N of the disaster affected people are the product of K and the preset value, and K is the integer more than 0.
- 10. according to the device any one of claim 7-9, it is characterised in thatThe acquiring unit, is additionally operable to the LTE before the moment occurs for disaster in the second preset time according to the first terminal Network signaling data, obtains the cell corresponding with the first terminal that is recorded at different moments in second preset time RSRP；The determination unit, record at different moments in second preset time for being additionally operable to obtain the acquiring unit with The RSRP of the corresponding cell of the first terminal, is matched with earth's surface fingerprint base before the calamity respectively, determines described first eventually End target grid residing at different moments in second preset time；According to the first terminal when described second is default In residing target grid at different moments, determine state of the first terminal in second preset time；According to institute State of the first terminal in second preset time is stated, determines the calamity front position of the first terminal.
- 11. device according to claim 10, it is characterised in that the state includes inactive state and motion state, institute Determination unit is stated, is specifically used for：If the state of the first terminal is inactive state, by the first terminal in the last moment middle at different moments Calamity front position of the longitude and latitude of residing target grid as the first terminal；If the state of the first terminal is motion state, according to the first terminal in second preset time not Residing target grid in the same time, determines the speed of service V of the first terminal, and uses formula：1=A+V*T/2, obtains institute State the calamity front position of first terminal；Wherein, T is the disaster duration, A for the first terminal it is described at different moments in it is last The longitude and latitude of target grid residing for moment.
- 12. the device according to claim 10 or 11, it is characterised in that the determination unit, is specifically used for：It is corresponding with the disaster affected people by the RSRP of each cell at least one cell corresponding with the first terminal Calamity after earth's surface fingerprint base matched, obtain grid set；If a grid is only included in the grid set, using the treating as the disaster affected people of the region residing for the grid Search and rescue position；If at least one grid is included in the grid set, using Euclidean distance formula respectively to the first terminal The longitude and latitude of each grid is calculated in calamity front position and at least one grid, and is obtained minimum in result of calculation Value, the position to be searched and rescued using the region residing for grid corresponding with the minimum value as the disaster affected people.
- 13. the search and rescue positioner of a kind of disaster affected people, it is characterised in that the search and rescue positioner of the disaster affected people includes： At least one processor, memory, communication interface and communication bus；The processor is connected with the memory, the communication interface by the communication bus, and the memory is used to deposit Computer executed instructions are stored up, when the search and rescue positioner operation of the disaster affected people, the processor performs the memory The computer executed instructions of storage, so that the search and rescue positioner of the disaster affected people is performed as appointed in claim 1-6 The search and rescue localization method of disaster affected people described in one.
- A kind of 14. computer-readable storage medium, it is characterised in that the computer-readable storage medium includes computer executed instructions, when When the computer executed instructions are run on computers so that the computer is performed such as any one of claim 1-6 institutes The search and rescue localization method for the disaster affected people stated.
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