CN102638875A - Power-saving wireless positioning method, device and system for mobile terminal - Google Patents
Power-saving wireless positioning method, device and system for mobile terminal Download PDFInfo
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- CN102638875A CN102638875A CN2012100915938A CN201210091593A CN102638875A CN 102638875 A CN102638875 A CN 102638875A CN 2012100915938 A CN2012100915938 A CN 2012100915938A CN 201210091593 A CN201210091593 A CN 201210091593A CN 102638875 A CN102638875 A CN 102638875A
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention discloses a power-saving wireless positioning method for a mobile terminal. The power-saving wireless positioning method for the mobile terminal comprises the following steps of: acquiring real-time positioning information initiated by the mobile terminal; judging whether the difference between positioning initiation time and latest position time in a system is less than a preset value; setting the latest position corresponding to the latest position time in the system to be the physical position of the mobile terminal; and starting up a hardware GPS (Globe Positioning System), acquiring a GPS position coordinate, and setting the GPS position coordinate to be the physical position of the mobile terminal. The invention further discloses a power-saving wireless positioning device and a system for the mobile terminal. According to the power-saving wireless positioning method, the device and the system for the mobile terminal, disclosed by the embodiment of the invention, the mobile terminal decides the opportunity that the hardware GPS is started up to acquire the GPS coordinate according to a positioning strategy generated by a service end, so that not only are positioning accuracy and availability guaranteed, but also the power consumption of the mobile terminal is greatly reduced and the endurance capacity of the mobile terminal is improved.
Description
Technical field
The present invention relates to field of mobile terminals, be specifically related to a kind of method of portable terminal wireless location of power saving, Apparatus and system.
Background technology
The portable terminal positioning service is based on the positioning service of communication position under wireless status; It can carry out real-time monitoring and tracking to all controlled devices; All controlled devices all are presented on the electronic chart of Surveillance center, therefore have wide application prospect in wireless mobile communications field.
According to WCDMA R99 standard, the wireless location scheme is followed has three kinds of location technology standards: based on the location technology of CELL ID (cell identification), and the GPS location technology of OTDOA location technology and network assistance.In existing wireless location scheme, one of targeting scheme that the GPSONE targeting scheme of QualCom company is the most successful beyond doubt.The technology that compares other, GPSONE utilizes the transfer of data of cdma mobile communication network and the advantage of intersection covering, in conjunction with the technology that the gps satellite locator data realizes, the location of having realized high accuracy, high availability and fair speed.But; Comprise that the existing targeting scheme of GPSONE is confined to get on to improve from locating speed and accuracy the performance and the index of portable terminal; On portable terminal scheme applicability, especially launch the problem of positioning function battery continuation of the journey at the solution portable terminal, lack enough research and conclusion.
Summary of the invention
In order to solve above technical problem, the present invention provides a kind of method, Apparatus and system of portable terminal wireless location of power saving.
The invention discloses a kind of method of portable terminal wireless location of power saving, comprising:
S1. obtain the real-time positioning information that portable terminal is initiated, described real-time positioning information comprises the location initiation time;
S2. judge that whether the latest position time difference is less than preset value, if entering step S3 if not, gets into step S4 in described location initiation time and the system;
S3., the latest position that latest position time correspondence in the system is set is the physical location of portable terminal;
S4. open hardware GPS, gather the GPS position coordinates, described GPS position coordinates is made as the physical location of described portable terminal.
In the method for the portable terminal wireless location of power saving of the present invention, further comprising the steps of between step S1 and S2:
S11 upgrades all places information stores that reports in positioning unit and constantly.
In the method for the portable terminal wireless location of power saving of the present invention, be that interval according to the location initiation time starts positioning strategy at step S2 to step S4, specifically:
A. in the intensive time period of location, adopt GPS location preference strategy;
B. in the less traveling time section of mobile terminal locations, adopt CI to judge preferential positioning strategy;
C. mobile terminal locations does not change and does not need the time period of frequent location basically; The employing positioning strategy of mourning in silence; The positioning requirements in real time/regularly that the positive location that mobile terminal stopping is all and reporting, wait service end issue is instantly during bill time positioning requirements; Portable terminal is opened GPS and is positioned, and positioning result is reported platform; If the precision location is hanged down in the failure of GPS location, the described positioning unit of service end.
The invention discloses a kind of device of portable terminal wireless location of power saving, be used to realize above-mentioned method, comprising:
The real-time positioning information acquiring unit is used to obtain the real-time positioning information that portable terminal is initiated, and described real-time positioning information comprises the location initiation time;
Positioning time, the difference judging unit linked to each other with described real-time positioning information acquiring unit, was used for judging that whether described location initiation time and system's latest position time difference are less than preset value;
Physical location is provided with the unit, with described positioning time the difference judging unit link to each other, the latest position that is used for being provided with system's latest position time correspondence is the physical location of portable terminal;
The GPS position is provided with the unit, with described positioning time the difference judging unit link to each other, be used to open hardware GPS, collection GPS position coordinates is made as described GPS position coordinates the physical location of described portable terminal.
In the device of the portable terminal wireless location of power saving of the present invention; Also comprise positional information storage unit at described real-time positioning information acquiring unit and positioning time between the difference judging unit, be used for all places information stores that reports in positioning unit and renewal constantly.
In the device of the portable terminal wireless location of power saving of the present invention; The device of the portable terminal wireless location of described power saving also comprise with described positioning time the difference judging unit, the unit is set physical location and the GPS position is provided with the positioning strategy start unit subelement that the unit all links to each other; Be used for starting different positioning strategies according to different sections positioning time, specifically:
A. in the intensive time period of location, adopt GPS location preference strategy;
B. in the less traveling time section of mobile terminal locations, adopt CI to judge preferential positioning strategy;
C. mobile terminal locations does not change and does not need the time period of frequent location basically; The employing positioning strategy of mourning in silence; The positioning requirements in real time/regularly that the positive location that mobile terminal stopping is all and reporting, wait service end issue is instantly during bill time positioning requirements; Portable terminal is opened GPS and is positioned, and positioning result is reported platform; If the precision location is hanged down in the failure of GPS location, the described positioning unit of service end.
The invention discloses a kind of system of portable terminal wireless location of power saving; Portable terminal, at least one network base station, at least one service centre of comprising at least one band GPRS communication and GPS function; Described portable terminal and network base station and described service centre carry out communication through network; It is characterized in that, also comprise detent mechanism, described detent mechanism has the device of the portable terminal wireless location of above-mentioned a kind of power saving.
In the system of the portable terminal wireless location of power saving of the present invention, the system of the portable terminal wireless location of described power saving also comprises the database that links to each other with described service centre, is used to keep the positional information that reports.
In the system of the portable terminal wireless location of power saving of the present invention, described positional information comprises: time point position, position location, base station, GPS position location, latest position.
Method, device and the remote controller of the portable terminal wireless location of a kind of power saving of embodiment of the present invention have following beneficial technical effects:
Portable terminal decides and opens the opportunity that hardware GPS gathers gps coordinate according to the positioning strategy that service end produces, and has not only guaranteed locating accuracy and availability, and has reduced the power consumption of portable terminal significantly, improves its flying power.
Description of drawings
Fig. 1 is the portable terminal wireless location method flow chart of a kind of power saving of the embodiment of the invention;
Fig. 2 is the portable terminal radio positioner functional-block diagram of a kind of power saving of the embodiment of the invention;
Fig. 3 is the device signal block diagrams of the portable terminal wireless location of a kind of power saving of the embodiment of the invention;
Fig. 4 is the system module figure of the portable terminal wireless location of a kind of power saving of the embodiment of the invention.
Embodiment
By specifying technology contents of the present invention, structural feature, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1, a kind of method of portable terminal wireless location of power saving comprises:
S1. obtain the real-time positioning information that portable terminal is initiated, described real-time positioning information comprises the location initiation time;
Portable terminal utilizes the GPRS communication and the GPS function that himself have to gather the real-time positioning information of GPS and cellular network information, and reports to service end.
Information of mobile terminal obtain and the condition that reports following:
1) reporting of information of mobile terminal is under the normal situation of GPRS network communication, to carry out;
2) on the opportunity of obtaining and reporting of base station information, do not receive the restriction of other conditions, periodically obtain automatically behind the mobile terminal-opening and report;
2) obtaining of GPS needs to open hardware GPS, because GPS unlatching back standby current is bigger, from the consideration of power saving, adopts Different Strategies to open according to different scenes and obtains.
Preferably, this method has step S11, and all places information stores that reports is upgraded in positioning unit and constantly.
Positioning unit is stored the positional information that reports under the various situation, and according to positioning unit location implementation algorithm, the positional information of database stores should comprise following four types:
A. time point position, for location periodically, each cycle corresponding with a time point position;
B. the positional information that obtains is located in the position location, base station through the base station;
The positional information that obtains is located in the C.GPS position location through GPS;
D. latest position, the position of the up-to-date time point that system preserves.
S2. judge that whether the latest position time difference is less than preset value, if entering step S3 if not, gets into step S4 in described location initiation time and the system;
The latest position information of PDE storage is effective in the preset time period; When platform is received guardian's Client-initiated real-time positioning; Or when regularly locating; At first latest position time difference of time and the PDE storage of Location Request can use the latest position of PDE storage, otherwise PDE request portable terminal is gathered latest position information to platform less than in the preset time period.
S3., the latest position that latest position time correspondence in the system is set is the physical location of portable terminal;
S4. open hardware GPS, gather the GPS position coordinates, described GPS position coordinates is made as the physical location of described portable terminal.
Wherein, be to start positioning strategy at step S2 to step S4 according to the interval of locating the initiation time, specifically:
A. in the intensive time period of location, adopt GPS location preference strategy;
B. in the less traveling time section of mobile terminal locations, adopt CI to judge preferential positioning strategy;
C. mobile terminal locations does not change and does not need the time period of frequent location basically; The employing positioning strategy of mourning in silence; The positioning requirements in real time/regularly that the positive location that mobile terminal stopping is all and reporting, wait service end issue is instantly during bill time positioning requirements; Portable terminal is opened GPS and is positioned, and positioning result is reported platform; If the precision location is hanged down in the failure of GPS location, the described positioning unit of service end.
The meaning of preference strategy is meant in GPS location and base station assist location, preferentially use which kind of localization method.
According to the intensive time period of location and the locating reporting time interval that guardian user sets, portable terminal at first carries out the periodical GPS location, and reports the GPS position that is obtained; If in the GPS location failure in the time interval of a certain locating reporting, thereby portable terminal will be judged whether sub-district CI changes and judges whether move at the terminal, if move, the terminal is uploaded C I and changed to service end, and service end PDE assembly hangs down precision and locatees; If move, after N the specified period, terminal to report CI does not change, and to store this time point position be latest position; If the terminal does not all report position or CI state information N specified period, service end PDE assembly hangs down the precision location.
See also the device 1 of the portable terminal wireless location of Fig. 2, a kind of power saving, be used to realize above-mentioned method, comprising: real-time positioning information acquiring unit 10, positioning time difference judging unit 20, physical location unit 30 is set, the GPS position is provided with unit 40.
Real-time positioning information acquiring unit 10 is used to obtain the real-time positioning information that portable terminal is initiated, and described real-time positioning information comprises the location initiation time;
Positioning time, difference judging unit 20 linked to each other with real-time positioning information acquiring unit 10, was used for judging that whether described location initiation time and system's latest position time difference are less than preset value;
Physical location is provided with unit 30, links to each other with positioning time difference judging unit 20, and the latest position that is used for being provided with system's latest position time correspondence is the physical location of portable terminal;
The GPS position is provided with unit 40, links to each other with positioning time difference judging unit 20, is used to open hardware GPS, and collection GPS position coordinates is made as described GPS position coordinates the physical location of described portable terminal.
Preferably, also comprise positional information storage unit 15 between the difference judging unit 20, be used for all places information stores that reports in positioning unit and renewal constantly at real-time positioning information acquiring unit 10 and positioning time.
Preferably; The device 1 of the portable terminal wireless location of power saving of the present invention also comprise with positioning time difference judging unit 10, unit 30 is set physical location and the GPS position is provided with the positioning strategy start unit 25 that unit 40 all links to each other; Be used for starting different positioning strategies according to different sections positioning time, specifically:
A. in the intensive time period of location, adopt GPS location preference strategy;
B. in the less traveling time section of mobile terminal locations, adopt CI to judge preferential positioning strategy;
C. mobile terminal locations does not change and does not need the time period of frequent location basically; The employing positioning strategy of mourning in silence; The positioning requirements in real time/regularly that the positive location that mobile terminal stopping is all and reporting, wait service end issue is instantly during bill time positioning requirements; Portable terminal is opened GPS and is positioned, and positioning result is reported platform; If the precision location is hanged down in the failure of GPS location, the described positioning unit of service end.
See also Fig. 3; The signal frame diagram of the device that this targeting scheme adopted; The present technique scheme adopts the client/server mode; With CI: (CELL ID: cell identification) and the location technology of wireless auxiliary AGPS (Assisted Global Positioning System, auxiliary global satellite positioning system) organically combine a kind of hybrid location determination technology scheme of realization.When using this scheme location; Portable terminal is collected GPS (Global Positioning System: abbreviation global positioning system) and cellular network information according to positioning strategy; Then data are sent in the positioning unit (PDE) in the network service end; Data are organically combined in position determining entity, and calculating produces the positioning strategy and the positional information of the current use of portable terminal.
According to the description of above-mentioned navigation system, the portable terminal wireless location scheme that designs may further comprise the steps content:
A) portable terminal is gathered GPS and cellular network information, and reports to service end;
B) after the backstage communication part receives the positional information of portable terminal collection, calculate its concrete geographical location information and respond;
C) after the backstage communication part receives the positional information of portable terminal collection, calculate the residing location of portable terminal scene, and the notice portable terminal is taked corresponding positioning strategy.
D) portable terminal basis service end positioning strategy at that time is provided with control GPS information gathering.
In this device, portable terminal is for the terminal equipment of band GPRS communication and GPS function, hereinafter to be referred as TE;
AM access module is to be responsible for the modular assembly that portable terminal inserts in the service background, hereinafter to be referred as AM;
The position enquiring interface is the assembly of inquiry geographical location information own in the navigation system, is called for short CIQ;
Position determining entity is to comprise that the terminal uploads information processing, own position enquiring interface and third party's query interface, is called for short PDE.
Wherein, GPS locatees preferential periodic report strategic process and is: according to the intensive time period of location and the locating reporting time interval that guardian user sets, portable terminal at first carries out the periodical GPS location, and reports the GPS position that is obtained; If in the GPS location failure in the time interval of a certain locating reporting, thereby portable terminal will be judged whether sub-district CI changes and judges whether move at the terminal, if move, the terminal is uploaded CI and changed to service end, and service end PDE assembly hangs down precision and locatees; If move, after N the specified period, terminal to report CI does not change, and to store this time point position be latest position; If the terminal does not all report position or CI state information N specified period, service end PDE assembly hangs down the precision location.
GPS locatees preferential periodic report strategic process concrete steps:
Steps A 1. mobile terminal period property GPS location, and position sampling;
Steps A 2. is as if the reporting position time point, and GPS samples, locatees all or part of success, and portable terminal reports AM through the GPRS mode;
Steps A 3. is as if the reporting position time point, all fails in GPS sampling, location, and portable terminal judges whether CI changes
Steps A 4. mobile terminal reporting GPS all fail, and whether CI changes to AM
Steps A 5. is not if CI changes, and the position of this time point of PDE storage is the latest position of having stored
Steps A 6. is if CI changes, and PDE initiates the base station Location Request to CIQ, and stores the low for this reason precision position location, position of this time point.
Wherein. base station information (CI) judges that preferential positioning strategy process is: whether portable terminal changes according to place sub-district CI judges whether to move, and initiates the GPS location if move; If move, after M the specified period, terminal to report CI does not change, and the position of storing this time point is a latest position; If the terminal does not all report position or CI information M specified period, service end PDE assembly hangs down the precision location.
Base station information (CI) judges that preferential positioning strategy concrete steps are:
Whether step B1. portable terminal CI changes;
Step B2. is if portable terminal CI changes, and GPS samples, locatees all or part of success, and portable terminal reports AM through the GPRS mode;
Step B3. is if portable terminal CI changes, and all fails in GPS sampling, location, and portable terminal reports AM through the GPRS mode, jumps to for the 11st step and carries out;
Step B4. does not change as if portable terminal CI, M all after date, and portable terminal reports CI not change to AM through the GPRS mode, and this time point position of PDE storage is the latest position that platform has been deposited;
Step B5. is if M cycle portable terminal reporting position is not carried out the execution of the 9th step;
Step B6.PDE initiates low precision Location Request to CIQ, and stores the low for this reason precision position location, position of this time point.
See also the system of the portable terminal wireless location of Fig. 4, a kind of power saving; Portable terminal 100, at least one network base station 200, at least one service centre 300 of comprising at least one band GPRS communication and GPS function; Portable terminal 100 and network base station 200 carry out communication with service centre 300 through network; Comprise also comprising the detent mechanism 400 that links to each other with service centre 300, localization machine 400 structures have the device 1 of the portable terminal wireless location of above-mentioned a kind of power saving.
Preferably; The system of the portable terminal wireless location of described power saving also comprises the database 500 that links to each other with described service centre; Be used to keep the positional information that reports, positional information comprises: time point position, position location, base station, GPS position location, latest position.
Wherein, Among the present invention; Portable terminal 100 must built-inly be judged the algorithm whether move at terminal 100 according to base station 200 change informations: portable terminal 100 periodic scan periphery network, and each cycle collects 6+1 base station information data (dominant base adds six prothetic group stations), during each periodicity locating reporting; The value and the current period value of cycle last time base station information are compared judgement; When the number that the base station information of current period collection does not become surpasses threshold values, be regarded as not moving, otherwise then for moving.
Design realizes this wireless location scheme, its objective is to make portable terminal 100 on following index, improve performance:
1. the index of power saving
The formula of common mobile terminal T in cruising time:
T=S/U, wherein S representes battery capacity, U representes the power consumption of GPS following unit interval of opening.
After adopting this wireless location scheme, cruising time, formulate was:
T=(S/U) * Q, wherein S representes battery capacity, U representes the power consumption of GPS following unit interval of opening, weights Q＜3/5, Q is an empirical value.
2. accurately and timely positioning index
The demand of portable terminal core all round locating expansion, so can obtain locating information more accurately and timely, just can have big more market value.As long as portable terminal is opened, just can get access to the timely position at this terminal through navigation system, this is to another requirement of navigation system.
Generally speaking, use this wireless location scheme after, portable terminal increases more than 1.67 times cruising time, and the random time point in during the continuation of the journey, can get access to the timely positional information at this terminal in one minute through navigation system.
Method, device and the remote controller of the portable terminal wireless location of a kind of power saving of embodiment of the present invention have following beneficial technical effects:
Portable terminal decides and opens the opportunity that hardware GPS gathers gps coordinate according to the positioning strategy that service end produces, and has not only guaranteed locating accuracy and availability, and has reduced the power consumption of portable terminal significantly, improves its flying power.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within protection scope of the present invention.
Claims (9)
1. the method for the portable terminal wireless location of a power saving is characterized in that, comprising:
S1. obtain the real-time positioning information that portable terminal is initiated, described real-time positioning information comprises the location initiation time;
S2. judge that whether the latest position time difference is less than preset value, if entering step S3 if not, gets into step S4 in described location initiation time and the system;
S3., the latest position that latest position time correspondence in the system is set is the physical location of portable terminal;
S4. open hardware GPS, gather the GPS position coordinates, described GPS position coordinates is made as the physical location of described portable terminal.
2. the method for the portable terminal wireless location of power saving according to claim 1 is characterized in that, and is further comprising the steps of between step S1 and S2:
S11 upgrades all places information stores that reports in positioning unit and constantly.
3. the method for the portable terminal wireless location of power saving according to claim 1 is characterized in that, is to start positioning strategy according to the interval of locating the initiation time at step S2 to step S4, specifically:
A. in the intensive time period of location, adopt GPS location preference strategy;
B. in the less traveling time section of mobile terminal locations, adopt CI to judge preferential positioning strategy;
C. mobile terminal locations does not change and does not need the time period of frequent location basically; The employing positioning strategy of mourning in silence; The positioning requirements in real time/regularly that the positive location that mobile terminal stopping is all and reporting, wait service end issue is instantly during bill time positioning requirements; Portable terminal is opened GPS and is positioned, and positioning result is reported platform; If the precision location is hanged down in the failure of GPS location, the described positioning unit of service end.
4. the device of the portable terminal wireless location of a power saving is used to realize the described method of claim 1, it is characterized in that, comprising:
The real-time positioning information acquiring unit is used to obtain the real-time positioning information that portable terminal is initiated, and described real-time positioning information comprises the location initiation time;
Positioning time, the difference judging unit linked to each other with described real-time positioning information acquiring unit, was used for judging that whether described location initiation time and system's latest position time difference are less than preset value;
Physical location is provided with the unit, with described positioning time the difference judging unit link to each other, the latest position that is used for being provided with system's latest position time correspondence is the physical location of portable terminal;
The GPS position is provided with the unit, with described positioning time the difference judging unit link to each other, be used to open hardware GPS, collection GPS position coordinates is made as described GPS position coordinates the physical location of described portable terminal.
5. the device of the portable terminal wireless location of power saving according to claim 4; It is characterized in that; Also comprise positional information storage unit at described real-time positioning information acquiring unit and positioning time between the difference judging unit, be used for all places information stores that reports in positioning unit and renewal constantly.
6. the device of the portable terminal wireless location of power saving according to claim 4; It is characterized in that; The device of the portable terminal wireless location of described power saving also comprise with described positioning time the difference judging unit, the unit is set physical location and the GPS position is provided with the positioning strategy start unit subelement that the unit all links to each other; Be used for starting different positioning strategies according to different sections positioning time, specifically:
A. in the intensive time period of location, adopt GPS location preference strategy;
B. in the less traveling time section of mobile terminal locations, adopt CI to judge preferential positioning strategy;
C. mobile terminal locations does not change and does not need the time period of frequent location basically; The employing positioning strategy of mourning in silence; The positioning requirements in real time/regularly that the positive location that mobile terminal stopping is all and reporting, wait service end issue is instantly during bill time positioning requirements; Portable terminal is opened GPS and is positioned, and positioning result is reported platform; If the precision location is hanged down in the failure of GPS location, the described positioning unit of service end.
7. the system of the portable terminal wireless location of a power saving; Portable terminal, at least one network base station, at least one service centre of comprising at least one band GPRS communication and GPS function; Described portable terminal and network base station and described service centre carry out communication through network; It is characterized in that, also comprise the detent mechanism that links to each other with described service centre, described detent mechanism has the device of the portable terminal wireless location of the described a kind of power saving of claim 4.
8. the system of the portable terminal wireless location of power saving according to claim 7 is characterized in that, the system of the portable terminal wireless location of described power saving also comprises the database that links to each other with described service centre, is used to keep the positional information that reports.
9. the system of the portable terminal wireless location of power saving according to claim 8 is characterized in that, described positional information comprises: time point position, position location, base station, GPS position location, latest position.
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| CN104869538B (en) * | 2015-05-18 | 2018-09-18 | 小米科技有限责任公司 | Localization method and device |
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| CN106102005A (en) * | 2016-06-16 | 2016-11-09 | 惠州Tcl移动通信有限公司 | A kind of method and system reducing location mobile device power consumption |
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| CN111028385A (en) * | 2019-12-25 | 2020-04-17 | 中电科航空电子有限公司 | Data storage method of positioning equipment and related device |
| CN111028385B (en) * | 2019-12-25 | 2022-01-28 | 中电科航空电子有限公司 | Data storage method of positioning equipment and related device |
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