CN105682020A - Beidou emergency call method and system - Google Patents

Beidou emergency call method and system Download PDF

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Publication number
CN105682020A
CN105682020A CN201511021185.5A CN201511021185A CN105682020A CN 105682020 A CN105682020 A CN 105682020A CN 201511021185 A CN201511021185 A CN 201511021185A CN 105682020 A CN105682020 A CN 105682020A
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CN
China
Prior art keywords
big dipper
terminal
help
field communication
module
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Granted
Application number
CN201511021185.5A
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Chinese (zh)
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CN105682020B (en
Inventor
麻正
曹红杰
张明
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Bd Navigation & Lbs Beijing Co Ltd
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Bd Navigation & Lbs Beijing Co Ltd
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Priority to CN201511021185.5A priority Critical patent/CN105682020B/en
Publication of CN105682020A publication Critical patent/CN105682020A/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G01S19/17—Emergency applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • 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]

Abstract

The embodiment of the invention provides a Beidou emergency call method. The Beidou emergency call method comprises the steps that: an external terminal interacts with the outside to generate a call request signal, and sends the call request signal to a Beidou terminal that is in a near field communication connection with the external terminal; the Beidou terminal triggers to obtain the position information and a Beidou ID of the Beidou terminal according to the received call request signal, and sends the position information and the Beidou ID to the external terminal; the external terminal further interacts with the outside to generate user-defined help information; the external terminal compresses the position information and the Beidou ID, and sends the compressed position information and the Beidou ID to the Beidou terminal together with the help information; and the Beidou terminal sends the compressed position information and the Beidou ID to a central rescue server together with the help information through the Beidou satellite. The embodiment of the invention further provides a Beidou emergency call system. The Beidou terminal is manipulated by the external terminal, and more data are transmitted within the limit of fixed Beidou short message communication characters by compressing the compression characters.

Description

A kind of Big Dipper emergency help method and system
Technical field
The embodiment of the present invention relates to emergency help technical field, relates in particular to a kind of Big Dipper emergency help methodAnd system.
Background technology
At present, most of mobile phone or positioning equipment are with BDS/GPS positioning function, also on the marketThere is aglucon in architecture mode, can be by mobile phone to relatives and friends and relevant while there is emergencyDepartment's emergency. Which is all effectively simple in most cases, but in some remote districts or evilWhen slightly environment does not have mobile phone signal, cannot send an SOS, some special industry, such as remote mountains woodsIndustry and fishery, need to quarter at the place that there is no mobile phone signal for a long time, cannot connect each other with the external world,Majority in emergency circumstances distress personnel can not send warning in time.
In prior art, can utilize the function of big-dipper satellite short message communication to make user mobile in nothingThe place of network signal still can with extraneous communication contact, in order more at large to understand seeking help person's shapeCondition, it is self-defining to obtain seeking help person that Big Dipper terminal also disposes the man-machine interaction such as keyboard, screen accessoryHelp information, but man-machine interaction accessory all can be because of loss electricity in large quantities in the process of man-machine interactionAmount, in the time that electric weight exhausts, the personnel of seeking help cannot utilize Big Dipper terminal to call for help, and have seriously reduced seeking help person'sSecurity;
In addition the communication word in a piece of news that, of the communication of big-dipper satellite short message time communication sendsSymbol number is restricted, and the calling for help content that can not in time and intactly calling for help person be asked sends,Seriously reduce the work of suing and labouring ageing for the request of calling for help.
Summary of the invention
The embodiment of the present invention provides a kind of emergency help method and system based on big-dipper satellite communication, in order toSolve above-mentioned at least one technical problem of the prior art.
The embodiment of the present invention provides a kind of Big Dipper emergency help method, it is characterized in that, comprising:
Request signal is called for help to generate alternately by exterior terminal and the external world, and sends described calling for help request signal extremelyThe Big Dipper terminal being connected with described exterior terminal near-field communication;
Described Big Dipper terminal triggers and obtains described Big Dipper terminal according to received described calling for help request signalPositional information and Big Dipper ID, and send described positional information and Big Dipper ID near with described Big Dipper terminalThe described exterior terminal of field communication connection;
Described exterior terminal is also mutual with the external world and generate user-defined help information;
Described exterior terminal compresses described positional information and Big Dipper ID mutual with the external world, and will compressDescribed positional information and Big Dipper ID are sent to described Big Dipper terminal together with described help information;
Described Big Dipper terminal is by logical together with described help information to the described positional information of having compressed and Big Dipper IDCross big-dipper satellite and be sent to center rescue service device.
Thus, realized by embodiment of the present invention method: the work of utilizing exterior terminal control Big Dipper terminalMake state, improved user's experience, further, exterior terminal is for obtaining alternately user certainly with the external worldThe help information of definition, has saved than obtain user-defined help information in Big Dipper terminalThe loss of the electric weight in Big Dipper terminal during with user interactions, for the personnel of seeking help have striven for more distress period;
In addition transmit more in the restriction of fixing Big Dipper short message communication number of characters by minimize communications number of characters,Many data, call for help in message for one that a Big Dipper communication is sent and can go out more word the free timeSymbol number capacity is stored user-defined help information, further, when the number of characters of help informationWhen many, can effectively reduce and the number of times of big-dipper satellite communication interaction, improve and utilized Big Dipper terminal transmission to exhaleRescue the ageing of information;
Further, Big Dipper terminal in embodiments of the present invention does not dispose the user such as keyboard, screen and hands overInterworking part, makes the manufacturing cost of Big Dipper terminal lower, makes the encapsulation of Big Dipper terminal more closely knit simultaneouslyMore powerful with water-proof function, more can adapt to the application in difficult exploration environment.
In some embodiments, described exterior terminal compresses described positional information and Big Dipper ID comprises: instituteStating Big Dipper ID is integer data format, using every two the adjacent integers in described Big Dipper ID as oneUnit to be encoded, when the benefit integer zero of two integers of less than is to form a unit to be encoded, to eachDescribed unit to be encoded carries out binary-coded decimal conversion, generates the BCD coding of a byte; Described position letterBreath is for floating type data format, and described positional information is multiplied by a radix with by floating type data formatDescribed positional information is converted to the positional information to be converted of integer data format, by described integer data formatPositional information to be converted carry out hexadecimal conversion and generate corresponding hexadecimal byte code.
Thus, realized the number of characters that compresses positioning emergency information to be sent.
In some embodiments, described exterior terminal is connected and comprises with described Big Dipper terminal near-field communication:Described exterior terminal is connected with described Big Dipper terminal Bluetooth or wifi connects.
Thus, exterior terminal and Big Dipper terminal have been realized by the near-field communication communication mode of bluetooth or wifiCommunication interaction also manipulates Big Dipper terminal.
In some embodiments, monitor the residual electric quantity of described Big Dipper terminal, when described Big Dipper terminalResidual electric quantity during lower than predetermined threshold, described Big Dipper terminal generates electric weight alarm signal, concurrent power transmissionAmount alarm signal is to described exterior terminal;
Described exterior terminal is made electric weight in response to described electric weight alarm signal and is reported to the police.
Thus, know in time the low electricity condition of Big Dipper terminal, be conducive to calling for help person and make in time furtherMeasure, for example, change the battery of Big Dipper terminal or for Big Dipper terminal charge, avoided when attempting to utilize the Big DipperTerminal call for help time and Big Dipper terminal without electricity, cause seeking help person cannot send calling for help information; Further, outerPortion's terminal can be the mobile terminal that people carry, and has more guaranteed that seeking help person can know in the very first timeBig Dipper terminal, whether in low electricity condition, has ensured seeking help person's security.
In some embodiments, described exterior terminal is intelligent terminal.
In the modern life of Network Information high development, intelligent terminal becomes most people and takes with oneselfThe necessity of band, manipulates Big Dipper terminal by intelligent terminal and sends self-defining help information to big-dipper satelliteTo call for help, make in the process of calling for help without directly operating for Big Dipper terminal, only need to beOn intelligent terminal, do correspondingly operation and just can complete calling for help, greatly improved user's experience.
The embodiment of the present invention also provides a kind of Big Dipper emergency help system, comprise Big Dipper terminal and with described northThe exterior terminal of bucket terminal near-field communication, is characterized in that:
Described exterior terminal comprises: distress call generation module, the first near-field communication module, help informationGeneration module, compression module;
Described Big Dipper terminal comprises: the second near-field communication module, Big Dipper locating module, Big Dipper communication module;
Described distress call generation module is for calling for help request signal to generate alternately with the external world;
Described the first near-field communication module is used for sending described calling for help request signal to logical with described the first near fieldThe second near-field communication module that letter module near-field communication connects;
Described the second near-field communication module is used for receiving described calling for help request signal;
Described Big Dipper locating module is for obtaining the positional information of described Big Dipper locating module;
Described the second near-field communication module is also for sending positional information and the Big Dipper of described Big Dipper locating moduleID is to the first near-field communication module being connected with described the second near-field communication module near-field communication;
Described help information generation module is used for the external world alternately to generate user-defined help information;
Described compression module is used for compressing described positional information and Big Dipper ID;
Described the first near-field communication module also for by the described positional information of having compressed and Big Dipper ID together withDescribed help information is sent to the second near-field communication mould with described the first near-field communication module near-field communicationPiece;
Described Big Dipper communication module is used for described help information together with the described positional information of having compressed and northBucket ID is sent to center rescue service device by big-dipper satellite.
Thus, realized by embodiment of the present invention method: the work of utilizing exterior terminal control Big Dipper terminalMake state, improved user's experience, further, exterior terminal is for obtaining alternately user certainly with the external worldThe help information of definition, has saved than obtain user-defined help information in Big Dipper terminalThe loss of the electric weight in Big Dipper terminal during with user interactions, for the personnel of seeking help have striven for more distress period;
In addition transmit more in the restriction of fixing Big Dipper short message communication number of characters by minimize communications number of characters,Many data, call for help in message for one that a Big Dipper communication is sent and can go out more word the free timeSymbol number capacity is stored user-defined help information, further, when the number of characters of help informationWhen many, can effectively reduce and the number of times of big-dipper satellite communication interaction, improve and utilized Big Dipper terminal transmission to exhaleRescue the ageing of information;
Further, Big Dipper terminal in embodiments of the present invention does not dispose the user such as keyboard, screen and hands overInterworking part, makes the manufacturing cost of Big Dipper terminal lower, makes the encapsulation of Big Dipper terminal more closely knit simultaneouslyMore powerful with water-proof function, more can adapt to the application in difficult exploration environment.
In some embodiments, described Big Dipper terminal also comprises: electric quantity monitoring module, and for monitoringState the residual electric quantity of Big Dipper terminal; Alarm signal generation module, for the electric weight when described Big Dipper terminalDuring lower than predetermined threshold, generate electric weight alarm signal; Described the second near-field communication module sends described electric weightAlarm signal is to described the first near-field communication module; Described exterior terminal also comprises: alarm module, forMaking electric weight according to described electric weight alarm signal reports to the police.
Thus, know in time the low electricity condition of Big Dipper terminal, be conducive to calling for help person and make in time furtherMeasure, for example, change the battery of Big Dipper terminal or for Big Dipper terminal charge, avoided when attempting to utilize the Big DipperTerminal call for help time and Big Dipper terminal without electricity, cause seeking help person cannot send calling for help information; Further, outerPortion's terminal can be the mobile terminal that people carry, and has more guaranteed that seeking help person can know in the very first timeBig Dipper terminal, whether in low electricity condition, has ensured seeking help person's security.
In some embodiments, described the first near-field communication module and described second communication module are bluetoothModule or wifi module.
Thus, exterior terminal and Big Dipper terminal have been realized by the near-field communication communication mode of bluetooth or wifiCommunication interaction also manipulates Big Dipper terminal.
In some embodiments, described compression module is used for received described positional information and northBucket ID is divided into longitude station information and Position Latitude information and Big Dipper id information; By described longitude station letterBreath and Position Latitude information be multiplied by an integer with by the described longitude station information of floating type data format withPosition Latitude information is converted to longitude station information and the Position Latitude information of integer data format; Described in inciting somebody to actionThe longitude station information of Big Dipper id information, integer data format and Position Latitude information are carried out hexadecimal and are turnedChange and generate corresponding hexadecimal byte code.
Thus, realized the number of characters that compresses calling for help information to be sent.
In some embodiments, described exterior terminal is intelligent terminal.
In the modern life of Network Information high development, intelligent terminal becomes most people and takes with oneselfThe necessity of band, manipulates Big Dipper terminal by intelligent terminal and sends self-defining help information to big-dipper satelliteTo call for help, make in the process of calling for help without directly operating for Big Dipper terminal, only need to beOn intelligent terminal, do correspondingly operation and just can complete calling for help, greatly improved user's experience.
Brief description of the drawings
Fig. 1 shows the flow chart of a kind of Big Dipper emergency help method of one embodiment of the invention;
Fig. 2 shows the detailed execution of a kind of detailed description of the invention of the step S104 in method shown in Fig. 1Figure;
Fig. 3 shows the structural representation of a kind of Big Dipper emergency rescue system of one embodiment of the invention.
Detailed description of the invention
For convenience of explanation and understand, describe embodiments of the invention below in detail, described embodiment showsExample shown in the drawings, wherein from start to finish same or similar label represent same or similar element orThere is the element of identical or similar functions. Exemplary below by the embodiment being described with reference to the drawings,Only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Unless those skilled in the art of the present technique are appreciated that specially statement, singulative used herein" one ", " one ", " described " and " being somebody's turn to do " also can comprise plural form. Will be further understood that, the wording using in description of the present invention " comprises " and refers to and have described feature, integer, stepSuddenly, operation, element and/or assembly, but do not get rid of exist or add one or more other features,Integer, step, operation, element, assembly and/or their group. Should be appreciated that, when we claim elementBe " connected " or " coupling " when another element, it can be directly connected or coupled to other elements,Or also can there is intermediary element. In addition, " connection " used herein or " coupling " can compriseWireless connections or wireless coupling. Wording "and/or" used herein comprises that one or more is associatedWhole or arbitrary unit of listing and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (bagDraw together technical term and scientific terminology), have with the present invention under the general reason of those of ordinary skill in fieldSeparate identical meaning. Should also be understood that such as those terms that define in general dictionary, should be byBe interpreted as and there is the meaning consistent with meaning in the context of prior art, unless and as hereBy specific definitions, otherwise can not explain by idealized or too formal implication.
Show the flow chart of the Big Dipper emergency help method of one embodiment of the invention referring to Fig. 1, its featureBe, comprise:
S101: request signal is called for help to generate alternately by exterior terminal and the external world, and send calling for help request signalTo the Big Dipper terminal being connected with exterior terminal near-field communication;
S102: Big Dipper terminal triggers the position that obtains Big Dipper terminal according to received calling for help request signalInformation and Big Dipper ID, and send positional information and Big Dipper ID to outside being connected with Big Dipper terminal near-field communicationPortion's terminal;
S103: exterior terminal is also mutual with the external world and generate user-defined help information;
S104: exterior terminal compression position information and Big Dipper ID are also mutual with the external world, and by the position of having compressedPut information and Big Dipper ID is sent to Big Dipper terminal together with help information;
S105: Big Dipper terminal is defended together with help information the positional information of having compressed and Big Dipper ID by the Big DipperStar is sent to center rescue service device.
Thus, realized by embodiment of the present invention method: the work of utilizing exterior terminal control Big Dipper terminalMake state, improved user's experience, further, exterior terminal is for obtaining alternately user certainly with the external worldThe help information of definition, has saved than obtain user-defined help information in Big Dipper terminalThe loss of the electric weight in Big Dipper terminal during with user interactions, for the personnel of seeking help have striven for more distress period;
In addition transmit more in the restriction of fixing Big Dipper short message communication number of characters by minimize communications number of characters,Many data, call for help in message for one that a Big Dipper communication is sent and can go out more word the free timeSymbol number capacity is stored user-defined help information, further, when the number of characters of help informationWhen many, can effectively reduce and the number of times of big-dipper satellite communication interaction, improve and utilized Big Dipper terminal transmission to exhaleRescue the ageing of information;
Further, Big Dipper terminal in embodiments of the present invention does not dispose the user such as keyboard, screen and hands overInterworking part, makes the manufacturing cost of Big Dipper terminal lower, makes the encapsulation of Big Dipper terminal more closely knit simultaneouslyMore powerful with water-proof function, more can adapt to the application in difficult exploration environment.
In some embodiments, exterior terminal is connected and comprises with Big Dipper terminal near-field communication: exterior terminalBe connected with Big Dipper terminal Bluetooth or wifi connection.
Thus, exterior terminal and Big Dipper terminal have been realized by the near-field communication communication mode of bluetooth or wifiCommunication interaction also manipulates Big Dipper terminal.
In some embodiments, monitor the residual electric quantity of Big Dipper terminal, when the residual electricity of Big Dipper terminalValue is during lower than predetermined threshold, and Big Dipper terminal generates electric weight alarm signal, and the alarm signal of concurrent power transmission amount extremelyExterior terminal;
Exterior terminal is made electric weight in response to electric weight alarm signal and is reported to the police.
Thus, know in time the low electricity condition of Big Dipper terminal, be conducive to calling for help person and make in time furtherMeasure, for example, change the battery of Big Dipper terminal or for Big Dipper terminal charge, avoided when attempting to utilize the Big DipperTerminal call for help time and Big Dipper terminal without electricity, cause seeking help person cannot send calling for help information; Further, outerPortion's terminal can be the mobile terminal that people carry, and has more guaranteed that seeking help person can know in the very first timeBig Dipper terminal, whether in low electricity condition, has ensured seeking help person's security.
In some embodiments, about the execution (referring to Fig. 2) of S104 step, specifically comprise:
S1041: Big Dipper ID is integer data format, using every two the adjacent integers in Big Dipper ID asA unit to be encoded, when the benefit integer zero of two integers of less than is to form a unit to be encoded, to oftenA unit to be encoded carries out binary-coded decimal conversion, generates the BCD coding of a byte;
S1042: positional information is floating type data format, is multiplied by a radix with by floating-point by positional informationThe positional information of type data format is converted to the positional information to be converted of integer data format, by integer dataThe positional information to be converted of form is carried out hexadecimal conversion and is generated corresponding hexadecimal byte code.
Thus, realized the number of characters that compresses positioning emergency information to be sent.
In order to make communications content not be limited to the restriction of Big Dipper short message communication character, utilize BCD to compileCode format compression number of characters also merges Content of Communication, about the execution of this preferred embodiment method, more specificallyGround, comprising:
Outside Big Dipper terminal is sent to the positional information that has Big Dipper ID and meet Big Dipper communication data formPortion's terminal, the compatible Big Dipper communication data of exterior terminal form, Big Dipper ID is Big Dipper SIM number, selectedThe Big Dipper ID of one compression to be encoded is 18623456789, the binary word corresponding with above-mentioned Big Dipper IDJoint code is (00000001) (00001000) (00000110) (00000010) (00000011)(00000100)(00000101)(00000110)(00000111)(00001000)(00001001)11 bytes, are one group by every two the adjacent integers from first byte to trail byte of Big Dipper ID altogether,The zero padding that less than is two is divided into one group, and each group DI is carried out to binary-coded decimal conversion, therefore through BCDThe binary-coded decimal obtaining after conversion is: (10000001) (01000110) (01000011) (01101010)(10000111) (00001001) (BCD) binary-coded decimal of 6 bytes altogether, so just passes throughBCD coding just compression has omitted five bytes. The concrete execution of wherein, encoding about BCD is with coding62 is example, converts respectively binary representation to by 6,2: 6 (00000110) 2 (00000010),Maximum numeral 9 is also as long as 4 positions have wasted 4 positions, therefore by DI in transmitting procedureCarrying out BCD compression can the shared number of characters of effective less numeral, concrete executive mode following (note:BCD coding low level is front, after will no longer annotate): merge into a byte by 62, get respectively 6,2 is binary-coded low 4, according to the preceding principle of low level, 2 low four put above and 6Low four to put the byte binary coding that gained makes new advances be below 01000110, completes cataloged procedure, thereforeBe 01000110 (BCD) to 62 BCD coding result.
Further, carry out compression coding for the longitude 116.0211359 of Big Dipper terminal, first willThe longitude information of floating type data is multiplied by a radix and is converted to integer data, radix must be 60 wholeSeveral times, for example, selecting radix is 72000, utilizes 116.0211359*72000=8353521.7848,Numeral after fractions omitted point, the data that obtain after coding are that the hexadecimal byte code of three bytes is8 bytes have been omitted in 0x7F0x760XF1 compression, further the profit compression coding latitude that uses the same methodDegree value equally also can have been compressed 8 bytes.
Thus, in this detailed description of the invention, by the positional information of conversion Big Dipper ID and Big Dipper terminal,Can compress omit 23 bytes, and in the Big Dipper short message communication mode communication word of a Big Dipper messageThe restriction of symbol number only has 60 bytes, has greatly dwindled thus the taking of Big Dipper note number of characters, favourableIn supplement the more self-defined content of seeking help in Big Dipper note, facilitate the root of suing and labouring according in Big Dipper noteThe abundant self-defining content of seeking help is understood SOS staff's situation.
About the further optimization of the present embodiment method, big-dipper satellite is forwarded to positioning emergency informationCenter rescue service device, center rescue service device disposes BCD decoding Extended Protocol and hex decodingExtended Protocol, about the execution of decoding Extended Protocol for example: after utilizing BCD decoding Extended Protocol to codingBinary-coded decimal expand, for example: be that 01000110 (BCD) expands to 62 by BCD coding result,The data result that has ensured coding/decoding front and back gained has no deviation; Further, utilize hex decodingExtended Protocol after to coding latitude and longitude value 0x7F0x760XF1 oppositely decode, obtain longitude and be116.021125, the corresponding position of longitude after compression like this decompresses is again with respect to original longitudeBe worth the offset deviation of 116.0211359 corresponding positions apart from 2 meters; Such deviation is for commonUser can accept completely, can not cause the distortion of transferring content.
Should be noted that about embodiment of the present invention method: embodiment of the present invention method is for the Big Dipper eventuallyThe compression of Big Dipper ID, longitude information and the latitude information of end, and to the frame head number in Big Dipper communication short messageDo not do compression according to data such as, protocol types and process, do not destroy the form of the communication protocol in Big Dipper short message,Guarantee big-dipper satellite can be received and dispatched the Big Dipper short message after compressed processing.
In some embodiments, rescue service device in center connects longitude station, Position Latitude, Big Dipper IDBe forwarded to and send longitude station, Position Latitude, Big Dipper ID and ask together with self-defined with self-defined help informationMultiple Big Dipper terminals that the Big Dipper terminal of supplementary information is associated.
By embodiment of the present invention method squeezing characters, at the shared number of characters of self-defined help informationIn few situation, realize by the Big Dipper communication positioning emergency message has been issued and side for help's the Big DipperMultiple Big Dipper terminals that terminal is associated, make the center rescue service device can be in real time by received short reportLiterary composition information forwards, and has increased the reliability of successful rescue.
One side in the application of embodiment of the present invention method, due to the limitation of Big Dipper communication make onlyCan in one minute, carry out the communication of a Big Dipper short message, in the prior art when the personnel of seeking help being sent outWhen the positioning emergency information of sending is forwarded to the personnel's of seeking help the multiple kith and kin that are associated, need repeatedly with the Big DipperSatellite communicates alternately, and the kith and kin that extended the personnel that seek help obtain the stand-by period of locating rescue information.The number of characters that has compressed location rescue information data by embodiment of the present invention method, has reduced positioning emergencyThe number of characters of information, has realized and in a Big Dipper communication, location rescue information has been sent to simultaneously and seek helpMultiple kith and kin that person is associated, the multiple teammates that shortened the personnel that seek help are known the personnel positioning calling for help letter of seeking helpThe stand-by period of breath, more improve and rescued sue and labour ageing.
In some embodiments, exterior terminal is intelligent terminal.
In the modern life of Network Information high development, intelligent terminal becomes most people and takes with oneselfThe necessity of band; Manipulate Big Dipper terminal by intelligent terminal and send self-defining help information to big-dipper satelliteTo call for help, make in the process of calling for help without directly operating for Big Dipper terminal, only need to beOn intelligent terminal, do correspondingly operation and just can complete calling for help, greatly improved user's experience.
Referring to being a kind of Big Dipper emergency help system of one embodiment of the invention shown in Fig. 2, comprise the Big DipperTerminal 30 and with the exterior terminal 20 of described Big Dipper terminal near-field communication, it is characterized in that:
Described exterior terminal 20 comprises: the first control module 201, distress call generation module 202,One near-field communication module 203, help information generation module 204, compression module 205;
Described Big Dipper terminal 30 comprises: the second control module 301, the second near-field communication module 302, northBucket locating module 303, Big Dipper communication module 304;
Described distress call generation module 202 is for calling for help request signal to generate alternately with the external world;
Described the first near-field communication module 203 is for sending described calling for help request signal to described first nearThe second near-field communication module 302 that field communication module 203 near-field communications connect;
Described the second near-field communication module 302 is for receiving described calling for help request signal;
Described Big Dipper locating module 303 is for obtaining the positional information of Big Dipper locating module 303;
Described the second near-field communication module 302 is also for sending the position letter of described Big Dipper locating module 303The first near-field communication mould that breath is extremely connected with described the second near-field communication module 302 radio communications with Big Dipper IDPiece 203;
Described help information generation module 204 for the external world alternately to generate user-defined appeal letterBreath;
Described compression module 205 is for compressing described positional information and Big Dipper ID;
Described the first near-field communication module 203 is also for connecting the described positional information of having compressed and Big Dipper IDBe sent to the second near field of described the first near-field communication module 203 near-field communications logical with described help informationLetter module 302;
Described Big Dipper communication module 304 for by described help information together with the described positional information of having compressedBe sent to center rescue service device with Big Dipper ID by big-dipper satellite.
About the embodiment of the present invention, more specifically, the first control module 201 and distress call generation module202, the first near-field communication module 203, help information generation module 204, compression module 205 connect;The second control module 301 mould of communicating by letter with the second near-field communication module 302, Big Dipper locating module 303, the Big DipperPiece 304 connects;
In the time calling for help request signal generation, the first control module 201 is controlled the first near-field communication module 203Send and call for help request signal to the second near-field communication being connected with the first near-field communication module 203 near-field communicationsModule 301; In the time that the second near-field communication module 302 receives calling for help request signal, the second control module301 triggering Big Dipper locating modules 303 obtain positional information and the Big Dipper ID of Big Dipper locating module 303; AndAcquiring after positional information and Big Dipper ID, the second control module 301 is controlled the second near-field communication module302 send positional informations and Big Dipper ID to be connected with the second near-field communication module 302 radio communications firstNear-field communication module 303; In the time that the first near-field communication module 203 receives positional information and Big Dipper ID,The first control module 201 is controlled compression module 205 compression position information and Big Dipper ID, and in positional informationAfter compressed with Big Dipper ID, control the first near-field communication module 203 by the positional information of having compressed and the Big DipperID is sent to the second near-field communication module 302 with the first near-field communication module 203 radio communications; Work as useWhen the self-defining help information in family generates, the first control module 201 is controlled the first near-field communication module 203Help information is sent to and the second near-field communication module of the first near-field communication module 203 near-field communications302; When the second near-field communication module 302 receives help information together with the positional information of having compressed and the Big DipperWhen ID, the second control module 301 control Big Dipper communication module 304 by help information together with compressed positionPut information and Big Dipper ID and be sent to center rescue service device by big-dipper satellite.
Thus, realized by embodiment of the present invention method: the work of utilizing exterior terminal control Big Dipper terminalMake state, improved user's experience, further, exterior terminal is for obtaining alternately user certainly with the external worldThe help information of definition, has saved than obtain user-defined help information in Big Dipper terminalThe loss of the electric weight in Big Dipper terminal during with user interactions, for the personnel of seeking help have striven for more distress period;
In addition transmit more in the restriction of fixing Big Dipper short message communication number of characters by minimize communications number of characters,Many data, call for help in message for one that a Big Dipper communication is sent and can go out more word the free timeSymbol number capacity is stored user-defined help information, further, when the number of characters of help informationWhen many, can effectively reduce and the number of times of big-dipper satellite communication interaction, improve and utilized Big Dipper terminal transmission to exhaleRescue the ageing of information;
Further, Big Dipper terminal in embodiments of the present invention does not dispose the user such as keyboard, screen and hands overInterworking part, makes the manufacturing cost of Big Dipper terminal lower, makes the encapsulation of Big Dipper terminal more closely knit simultaneouslyMore powerful with water-proof function, more can adapt to the application in difficult exploration environment.
In some embodiments, the first near-field communication module 203 and second communication module 302 are bluetoothModule or wifi module.
Thus, exterior terminal and Big Dipper terminal have been realized by the near-field communication communication mode of bluetooth or wifiCommunication interaction also manipulates Big Dipper terminal.
In some embodiments, Big Dipper terminal 30 also comprises: electric quantity monitoring module 306 is for monitoring northThe residual electric quantity of bucket terminal; Alarm signal generation module 305, for when the electric weight of Big Dipper terminal lower thanWhen predetermined threshold, generate electric weight alarm signal; The second control module 301 is controlled the second near-field communication module302 send electric weight alarm signal to the first near-field communication module 203; Exterior terminal also comprises: alarm module206, report to the police for making electric weight; The first control module 301 is for according to electric weight alarm signal controllingAlarm module is made electric weight and is reported to the police.
Thus, know in time the low electricity condition of Big Dipper terminal, be conducive to calling for help person and make in time furtherMeasure, for example, change the battery of Big Dipper terminal or for Big Dipper terminal charge, avoided attempting profit as seeking help personWhile calling for help by Big Dipper terminal and Big Dipper terminal without electricity, cause seeking help person cannot send calling for help information; FurtherGround, exterior terminal can be the mobile terminal that people carry, and has more guaranteed that seeking help person can be at first o'clockBetween know that Big Dipper terminal, whether in low electricity condition, has ensured seeking help person's security.
In some embodiments, compression module 205 is for by received positional information and Big Dipper IDBe divided into longitude station information and Position Latitude information and Big Dipper id information; By longitude station information and latitude positionThe information of putting is multiplied by an integer so that the longitude station information of floating type data format and Position Latitude information are turnedBe changed to longitude station information and the Position Latitude information of integer data format; By Big Dipper id information, integer numberLongitude station information and Position Latitude information according to form are carried out hexadecimal conversion and are generated corresponding 16System bytecode.
Thus, realized the number of characters that compresses positioning emergency information to be sent.
In some embodiments, exterior terminal 20 is intelligent terminal.
In the modern life of Network Information high development, intelligent terminal becomes most people and takes with oneselfThe necessity of band, manipulates Big Dipper terminal by intelligent terminal and sends self-defining help information to big-dipper satelliteTo call for help, make in the process of calling for help without directly operating for Big Dipper terminal, only need to beOn intelligent terminal, do correspondingly operation and just can complete calling for help, greatly improved user's experience.
In some embodiments, center rescue service device also comprises information group sending module, for by longitudePosition, Position Latitude, Big Dipper ID are forwarded to together with self-defined help information and send longitude station, latitudeMultiple Big Dipper terminals that position, Big Dipper ID are associated together with the Big Dipper terminal of self-defined help information.
By embodiment of the present invention method squeezing characters, at the shared number of characters of self-defined help informationIn few situation, realize by the Big Dipper communication positioning emergency message has been issued and side for help's the Big DipperMultiple Big Dipper terminals that terminal is associated, make the center rescue service device can be in real time by received short reportLiterary composition information forwards, and has increased the reliability of successful rescue.
About the structure of the Big Dipper locating module 303 in the Big Dipper terminal 30 in embodiment of the present invention system,More specifically, comprising: BD-2/GPS module and the BD-2/GPS days being connected with BD-2/GPS moduleLine, BD-2/GPS antenna is for receiving the satellite positioning signal of BD-2/GPS module; The communication of a Big Dipper generationModule comprises Big Dipper generation module and the BD1 antenna being connected with Big Dipper generation module, and BD1 antenna is used forShort message between Big Dipper generation module and Big Dipper generation satellite is communicated by letter, and Big Dipper generation module comprises the Big Dipper oneFor SIM and for placing the SIM seat of Big Dipper generation SIM. Thus, this Big Dipper hand-held set profitBy a Big Dipper generation+Big Dipper pattern in two generations, utilize the Big Dipper two generations module to obtain current location and reduce a Big Dipper generationModule is located shared service frequency, has accelerated the speed of Big Dipper terminal positioning. Preferably, BD1 daysLine and the second wireless communication module are arranged in the two ends of Big Dipper terminal 30, BD2/GPS antenna and indigo plantTooth module is arranged in the two ends of Big Dipper terminal. Thus, by the Big Dipper terminal of the embodiment of the present invention,Realize antenna and Beidou antenna is distant, avoided mutually dry between Bluetooth signal and aerial signalDisturb.
By embodiment of the present invention system, the number of characters of compression calling for help person's positioning emergency information, has realizedIn a Big Dipper communication note, can include more Content of Communication; In addition, by exterior terminal controlThe duty of Big Dipper terminal, improves user and experiences; Further, hand over by exterior terminal and userMutually, Big Dipper terminal and user interactions have been saved and the kwh loss that causes, the continuation of the journey that has improved Big Dipper terminalAbility, has more extended calling for help person's distress period.
Above-described is only some embodiments of the present invention. Come for those of ordinary skill in the artSay, without departing from the concept of the premise of the invention, can also make some distortion and improvement, theseAll should belong to protection scope of the present invention.

Claims (10)

1. a Big Dipper emergency help method, is characterized in that, comprising:
Request signal is called for help to generate alternately by exterior terminal and the external world, and sends described calling for help request signal extremelyThe Big Dipper terminal being connected with described exterior terminal near-field communication;
Described Big Dipper terminal triggers and obtains described Big Dipper terminal according to received described calling for help request signalPositional information and Big Dipper ID, and send described positional information and Big Dipper ID near with described Big Dipper terminalThe exterior terminal of field communication connection;
Described exterior terminal is also mutual with the external world and generate user-defined help information;
Described exterior terminal compresses described positional information and Big Dipper ID, and by the described positional information of having compressedBe sent to described Big Dipper terminal with Big Dipper ID together with described help information;
Described Big Dipper terminal is by logical together with described help information to the described positional information of having compressed and Big Dipper IDCross big-dipper satellite and be sent to center rescue service device.
2. method according to claim 1, is characterized in that, described exterior terminal compresses institute's rhemePut information and Big Dipper ID comprises:
Described Big Dipper ID is integer data format, and every two the adjacent integers in described Big Dipper ID are doneBe a unit to be encoded, when the benefit integer zero of two integers of less than is to form a unit to be encoded, rightDescribed in each, unit to be encoded carries out binary-coded decimal conversion, generates the BCD coding of a byte;
Described positional information is floating type data format, and described positional information is multiplied by a radix floatingThe described positional information of some type data format is converted to the positional information to be converted of integer data format, by instituteStating the positional information to be converted of integer data format carries out hexadecimal conversion and generates corresponding hexadecimalBytecode.
3. method according to claim 1, is characterized in that, described exterior terminal and the described Big DipperTerminal near-field communication connects and comprises:
Described exterior terminal is connected with described Big Dipper terminal Bluetooth or wifi connects.
4. method according to claim 1, is characterized in that, also comprises:
Monitor the residual electric quantity of described Big Dipper terminal, when the residual electric quantity of described Big Dipper terminal is lower than in advanceWhile determining threshold value, described Big Dipper terminal generates electric weight alarm signal, outside the alarm signal of concurrent power transmission amount is extremely describedPortion's terminal;
Described exterior terminal is made electric weight in response to described electric weight alarm signal and is reported to the police.
5. according to the method described in any one in claim 1-4, it is characterized in that described exterior terminalFor intelligent terminal.
6. a Big Dipper emergency help system, comprises Big Dipper terminal and with described Big Dipper terminal near-field communicationExterior terminal, is characterized in that:
Described exterior terminal comprises: distress call generation module, the first near-field communication module, help informationGeneration module, compression module;
Described Big Dipper terminal comprises: the second near-field communication module, Big Dipper locating module, Big Dipper communication module;
Described distress call generation module is for calling for help request signal to generate alternately with the external world;
Described the first near-field communication module is used for sending described calling for help request signal to logical with described the first near fieldThe second near-field communication module that letter module near-field communication connects;
Described the second near-field communication module is used for receiving described calling for help request signal;
Described Big Dipper locating module is for obtaining the positional information of described Big Dipper locating module;
Described the second near-field communication module is also for sending positional information and the Big Dipper of described Big Dipper locating moduleID is to the first near-field communication module being connected with described the second near-field communication module near-field communication;
Described help information generation module is used for the external world alternately to generate user-defined help information;
Described compression module is used for compressing described positional information and Big Dipper ID;
Described the first near-field communication module also for by the described positional information of having compressed and Big Dipper ID together withDescribed help information is sent to the second near-field communication mould with described the first near-field communication module near-field communicationPiece;
Described Big Dipper communication module is used for described help information together with the described positional information of having compressed and northBucket ID is sent to center rescue service device by big-dipper satellite.
7. system according to claim 6, is characterized in that, described compression module is for outside describedPortion's terminal compresses described positional information and Big Dipper ID comprises: described Big Dipper ID is integer data format, willEvery two adjacent integers in described Big Dipper ID are as a unit to be encoded, when two integers of less thanMend integer zero to form a unit to be encoded, unit to be encoded described in each is carried out to binary-coded decimal and turnChange, generate the BCD coding of a byte; Described positional information is floating type data format, by institute's rhemeThe information of putting is multiplied by a radix so that the described positional information of floating type data format is converted to integer data latticeThe positional information to be converted of formula, carries out hexadecimal by the positional information to be converted of described integer data formatChange and generate corresponding hexadecimal byte code.
8. system according to claim 6, is characterized in that, described the first near-field communication module andDescribed the second near-field communication module is bluetooth module or wifi module.
9. system according to claim 6, is characterized in that, also comprises:
Described Big Dipper terminal also comprises:
Electric quantity monitoring module, for monitoring the residual electric quantity of described Big Dipper terminal;
Alarm signal generation module, for when the electric weight of described Big Dipper terminal is during lower than predetermined threshold, generatesElectric weight alarm signal;
Described the second near-field communication module sends described electric weight alarm signal to described the first near-field communication mouldPiece;
Described exterior terminal also comprises:
Alarm module, reports to the police for make electric weight according to described electric weight alarm signal.
10. according to the system described in any one in claim 6-9, it is characterized in that, described eventually outsideEnd is intelligent terminal.
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CN106374991A (en) * 2016-08-29 2017-02-01 北京华力创通科技股份有限公司 Method, device and system for performing data transmission by utilizing Beidou satellite
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