CN104749582A - Method for transmitting differential data, method for determining GPS positioning data and device - Google Patents

Method for transmitting differential data, method for determining GPS positioning data and device Download PDF

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Publication number
CN104749582A
CN104749582A CN201310741926.1A CN201310741926A CN104749582A CN 104749582 A CN104749582 A CN 104749582A CN 201310741926 A CN201310741926 A CN 201310741926A CN 104749582 A CN104749582 A CN 104749582A
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CN
China
Prior art keywords
terminal
differential data
self
data
address
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CN201310741926.1A
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Chinese (zh)
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CN104749582B (en
Inventor
温亮生
贺赢
阎啸天
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中国移动通信集团公司
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Priority to CN201310741926.1A priority Critical patent/CN104749582B/en
Publication of CN104749582A publication Critical patent/CN104749582A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/07Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/02Details of the space or ground control segments

Abstract

The embodiment of the invention provides a method for transmitting differential data, a method for determining GPS positioning data and a device. The method for transmitting the differential data comprises the steps that a control platform acquires differential data corresponding to each terminal according to a preset period; and the acquired differential data is transmitted to the corresponding terminals so as to instruct the corresponding terminals to determine required differential data thereof according to the received differential data and determine final GPS positioning data thereof according to the latest determined differential data and original GPS positioning data thereof when the terminals need to carry out positioning. According to the invention, the control platform keeps data connection with each terminal and transmits the corresponding differential data to each terminal, thereby enabling the terminal to always utilize the latest differential data and the positioning data thereof to determine accurate positioning data when positioning is required, and avoiding a problem that high-accuracy positioning cannot be realized because the terminals cannot acquire the relevant differential data timely due to network reasons when the terminals actively acquire the relevant differential data actively.

Description

The sending method of differential data, the defining method of GPS locator data and device

Technical field

The present invention relates to communication technical field, particularly relate to a kind of sending method of differential data, the defining method of GPS locator data and device.

Background technology

At present, as shown in Figure 1, GPS (Global Position System, GPS) generally includes ground observation platform 11, parametric controller 12 and multiple terminal 13.Wherein, ground observation platform 11, primary responsibility gathers gps satellite observation data; Parametric controller 12, primary responsibility receives the Satellite Observations that ground observation platform 11 sends, or obtains Satellite Observations from ground observation platform 11, and carries out relevant treatment to it, and the demand of response terminal.

When adopting above-mentioned GPS positioning system to position, due to the impact by factors such as ionospheric interference, satellite orbit, satellite clocks, easily cause the positioning result error of GPS larger.So, in order to avoid this problem, parametric controller 12 in GPS positioning system usually by modes such as the Internet (Internet), wireless stations for terminal 13 provides correlator difference data, to make terminal 13 can obtain accurate GPS locator data according to corresponding differential data and the GPS locator data of self, thus improve the positioning precision of terminal 13.

Particularly, for parametric controller 12, it is when providing differential data by Internet for terminal 13, just provide when receiving the Location Request that terminal 13 is sent, namely according to the positional information of the terminal 13 of carrying in this Location Request, send corresponding differential data to terminal 13, like this, obtain accurate GPS locator data according to corresponding differential data and the GPS locator data of self again by terminal 13.Here, above-mentioned Location Request is that terminal 13 just sends to parametric controller 12 when self needing to position.

Flow process is provided as can be seen from above-mentioned differential data, user is when needs position, just initiatively set up Internet with control center to link, correlator difference data are obtained from parametric controller, so, in Internet coverage, incomplete or swinging of signal timing, easily produces the problems such as link establishment failure, data transmission delay, cause terminal cannot get correlator difference data in time, and then cannot hi-Fix be realized.

Summary of the invention

Embodiments provide a kind of sending method of differential data, the defining method of GPS locator data and device, cause terminal cannot realize the problem of hi-Fix in order to the flow process that provides solving existing differential data.

Based on the problems referred to above, the sending method of a kind of differential data that the embodiment of the present invention provides, comprising:

Parametric controller obtains differential data corresponding to each terminal according to predetermined period;

Respectively the differential data of acquisition is sent to counterpart terminal, determine the differential data self needed according to the differential data received to indicate counterpart terminal, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.

A kind of parametric controller that the embodiment of the present invention provides, comprising:

Acquisition module, for obtaining differential data corresponding to each terminal according to predetermined period;

Sending module, for respectively the differential data that described acquisition module obtains being sent to counterpart terminal, determine the differential data self needed according to the differential data received to indicate counterpart terminal, and when self needing to position, determine the final GPS locator data of self according to the differential data determined and the raw GPS positioning data of self.

The defining method of a kind of GPS locator data that the embodiment of the present invention provides, comprising:

Terminal receives the differential data that parametric controller sends according to predetermined period;

Determine the differential data self needed according to the differential data received, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.

A kind of terminal device that the embodiment of the present invention provides, comprising:

Receiver module, for receiving the differential data that parametric controller sends according to predetermined period;

Determination module, differential data for receiving according to described receiver module determines the differential data self needed, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.

The beneficial effect of the embodiment of the present invention comprises:

The method of reseptance of a kind of differential data that the embodiment of the present invention provides, the defining method of GPS locator data and device, in the sending method of differential data, parametric controller obtains differential data corresponding to each terminal according to predetermined period; Respectively the differential data of acquisition is sent to counterpart terminal, the differential data self needed is determined with the differential data indicating counterpart terminal to receive, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.In embodiments of the present invention, lasting data link is kept between parametric controller and each terminal, and periodically send corresponding differential data to each terminal, make terminal when needs are located, the differential data of up-to-date reception and the locator data of self can be utilized to determine accurate locator data, avoid end side when active obtaining correlator difference data, because network reason causes obtaining in time, and then the problem of hi-Fix cannot be realized.

Accompanying drawing explanation

Fig. 1 is the structural representation of existing gps system;

The process flow diagram of the sending method of a kind of differential data that Fig. 2 provides for the embodiment of the present invention;

The process flow diagram of the defining method of a kind of GPS locator data that Fig. 3 provides for the embodiment of the present invention;

The structural drawing of a kind of parametric controller that Fig. 4 provides for the embodiment of the present invention;

The structural drawing of a kind of terminal device that Fig. 5 provides for the embodiment of the present invention.

Embodiment

Below in conjunction with Figure of description, the method for reseptance of a kind of differential data that the embodiment of the present invention provides, the defining method of GPS locator data and the embodiment of device are described.

The sending method of a kind of differential data that the embodiment of the present invention provides, as shown in Figure 2, specifically comprises the following steps:

S21: parametric controller obtains differential data corresponding to each terminal according to predetermined period;

S22: respectively the differential data of acquisition is sent to counterpart terminal, determine the differential data self needed according to the differential data received to indicate counterpart terminal, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.

Preferably, in above-mentioned steps S21, predetermined period can be determined according to the practical operation situation of gps system, and such as, predetermined period is 10 minutes, certainly, also can be other numerical value.

Further, before above-mentioned parametric controller obtains correlator difference data, following flow process is also comprised:

Parametric controller performs following operation for each terminal: when the account level judging present terminal is premium account, according to the positional information that present terminal reports, determine the differential data that present terminal is corresponding; When the account level judging present terminal is regular account, using default differential data as differential data corresponding to the present terminal determined.

That is, for the terminal of premium account, when above-mentioned predetermined period arrives, (such as terminal is by SDK (Software Development Kit) (the Software Development Kit of self for the positional information that needs report after being successfully logged onto parametric controller according to these terminals, SDK) authentication operations is completed with parametric controller), determine the differential data in certain limit near terminal position further, namely only can send the differential data corresponding with these terminals; And for the terminal of regular account, after being successfully logged onto parametric controller, usually do not report relevant location information, so, parametric controller thinks that these terminals need the differential data in all regions.Here, differential data can comprise Position Corrections number, differential correctional, phase correction number etc.

Further, in embodiments of the present invention, differential data more is accurately provided in order to give the terminal of premium account, above-mentioned parametric controller is also when receiving the movable information of terminal to report of these premium account, according to positional information and the movable information of these terminal to report, jointly determine the differential data that present terminal is corresponding.Here, movable information can comprise motion velocity information and the direction of motion information of associated terminal, with the ultimate range making parametric controller can move in certain predetermined period according to these information evaluation associated terminals, then assess differential data corresponding to associated terminal according to this ultimate range.

It should be noted that, in above-mentioned steps S21, parametric controller is actually and obtains correlator difference data from ground observation platform.

Preferably, in above-mentioned steps S22, in order to improve the security of transmission, the data that parametric controller sends to the correlator difference data of each terminal normally to encrypt.

Preferably, in embodiments of the present invention, for the ease of parametric controller, differential data is sent to corresponding terminal exactly, parametric controller also performs following operation for each terminal: the IP address of monitoring present terminal; And when the IP address monitoring present terminal changes, using the up-to-date IP address of the IP address after change as counterpart terminal, and send corresponding differential data according to up-to-date IP address to present terminal.

That is, parametric controller side stores International Mobile Equipment Identity code (the IntemationalMobile Equipment of terminal, or international mobile subscriber identity (International Mobile SubscriberIdentification Number IMEI), IMSI) with the corresponding relation of IP address, like this, when certain IMEI reports new IP address, it is upgraded.

The defining method of a kind of GPS locator data that the embodiment of the present invention provides, as shown in Figure 3, specifically comprises the following steps:

S31: terminal receives the differential data that parametric controller sends according to predetermined period;

S32: determine the differential data self needed according to the differential data received, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.

Preferably, for terminal, it can determine especially by following manner the differential data that self needs:

First kind of way, when the account level of self is premium account, is defined as the differential data self needed by the differential data received;

The second way, when the account level of self is regular account, according to the positional information of self, selects the differential data required for self from the differential data received, and using differential data that the differential data selected needs as self.

It should be noted that, in the above-mentioned second way, the differential data that such as parametric controller is sent comprises the differential data of all provinces and cities, terminal is according to the position of oneself place provinces and cities, from these differential datas, select the differential data required for oneself, those oneself unwanted differential datas are abandoned.

In addition, in above-mentioned steps S32, terminal is after determining the differential data self needed, these differential datas can be buffered in certain buffer area, like this, when obtaining the differential data required for oneself again next time, the differential data preserved before replacing in buffer area, to ensure that terminal is when needs are located, and can utilize up-to-date differential data to position, improve the accuracy rate of location.

Preferably, in embodiments of the present invention, above-mentioned terminal also can monitor the IP address of self, and when monitoring IP address and changing, the IP address after change is reported parametric controller.Such as, terminal can periodically be monitored, and such as monitoring in every 30 seconds once.

In embodiments of the present invention, lasting data link is kept between parametric controller and each terminal, periodically send corresponding differential data to each terminal, make terminal when needs are located, the differential data of up-to-date reception and the locator data (i.e. raw GPS positioning data) of self can be utilized to determine accurate locator data (namely opening most GPS locator data), avoid end side when active obtaining correlator difference data, because network reason causes obtaining in time, and then the problem of hi-Fix cannot be realized.

Based on same inventive concept, the embodiment of the present invention additionally provides the relevant apparatus of corresponding said method, the principle of dealing with problems due to these devices is similar to said method, and therefore the enforcement of these devices see the enforcement of preceding method, can repeat part and repeat no more.

A kind of parametric controller that the embodiment of the present invention provides, as shown in Figure 4, specifically comprises:

Acquisition module 41, for obtaining differential data corresponding to each terminal according to predetermined period;

Sending module 42, for respectively the differential data that acquisition module 41 obtains being sent to counterpart terminal, determine the differential data self needed according to the differential data received to indicate counterpart terminal, and when self needing to position, determine the final GPS locator data of self according to the differential data determined and the raw GPS positioning data of self.

Preferably, above-mentioned parametric controller, also comprises:

Determination module 43, specifically for performing following operation for each terminal: when the account level judging present terminal is premium account, according to the positional information that present terminal reports, determine the differential data that present terminal is corresponding; And when the account level judging present terminal is regular account, using default differential data as differential data corresponding to the present terminal determined.

Preferably, above-mentioned determination module 43, also for being premium account in the account level judging present terminal, and when receiving the movable information that present terminal reports, the positional information reported according to present terminal and movable information, determine the differential data that present terminal is corresponding.

Preferably, above-mentioned parametric controller, also comprises monitoring modular 44,

Above-mentioned monitoring modular 44, for performing following operation for each terminal: the IP address of monitoring present terminal, and when the IP address monitoring present terminal changes, using the up-to-date IP address of the IP address after change as counterpart terminal;

Above-mentioned sending module 43, also for sending corresponding differential data according to up-to-date IP address to present terminal.

A kind of terminal device that the embodiment of the present invention provides, as shown in Figure 5, specifically comprises:

Receiver module 51, for receiving the differential data that parametric controller 52 sends according to predetermined period;

Determination module 53, differential data for receiving according to receiver module 51 determines the differential data self needed, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.

Preferably, above-mentioned determination module 53, specifically for when the account level of terminal device is premium account, is defined as the differential data self needed by the differential data received; And when the account level of terminal device is regular account, according to the positional information of terminal device, the differential data required for terminal device is selected from the differential data that receiver module receives, and using differential data that the differential data selected needs as self.

Preferably, above-mentioned terminal device, also comprises:

Monitoring modular 54, for the IP address of monitoring terminal equipment, and when monitoring IP address and changing, reports parametric controller 52 by the IP address after change.

Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (14)

1. a sending method for differential data, is characterized in that, comprising:
Parametric controller obtains differential data corresponding to each terminal according to predetermined period;
Respectively the differential data of acquisition is sent to counterpart terminal, determine the differential data self needed according to the differential data received to indicate counterpart terminal, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.
2. the method for claim 1, is characterized in that, described parametric controller, before obtaining differential data corresponding to each terminal, also comprises:
Described parametric controller performs following operation for each terminal:
When the account level judging present terminal is premium account, according to the positional information that described present terminal reports, determine the differential data that described present terminal is corresponding;
When the account level judging present terminal is regular account, using default differential data as differential data corresponding to the described present terminal determined.
3. method as claimed in claim 2, is characterized in that, also comprise:
Described parametric controller is judging that the account level of present terminal is premium account, and when receiving the movable information that described present terminal reports, the positional information reported according to described present terminal and described movable information, determine the differential data that described present terminal is corresponding.
4. method as claimed any one in claims 1 to 3, is characterized in that, also comprise:
Described parametric controller performs following operation for each terminal:
The IP address of described parametric controller monitoring present terminal;
If the IP address monitoring described present terminal changes, using the up-to-date IP address of the IP address after change as counterpart terminal, and send corresponding differential data according to described up-to-date IP address to described present terminal.
5. a parametric controller, is characterized in that, comprising:
Acquisition module, for obtaining differential data corresponding to each terminal according to predetermined period;
Sending module, for respectively the differential data that described acquisition module obtains being sent to counterpart terminal, determine the differential data self needed according to the differential data received to indicate counterpart terminal, and when self needing to position, determine the final GPS locator data of self according to the differential data determined and the raw GPS positioning data of self.
6. parametric controller as claimed in claim 5, it is characterized in that, described parametric controller, also comprises:
Determination module, for obtain each terminal at described acquisition module differential data before, following operation is performed: when the account level judging present terminal is premium account for each terminal, according to the positional information that described present terminal reports, determine the differential data that described present terminal is corresponding; And when the account level judging present terminal is regular account, using default differential data as differential data corresponding to the described present terminal determined.
7. parametric controller as claimed in claim 6, it is characterized in that, described determination module, also for judging that the account level of present terminal is premium account, and when receiving the movable information that described present terminal reports, the positional information reported according to described present terminal and described movable information, determine the differential data that described present terminal is corresponding.
8. the parametric controller according to any one of claim 5 to 7, is characterized in that, described parametric controller, also comprises monitoring modular,
Described monitoring modular, for performing following operation for each terminal: the IP address of monitoring present terminal, and when the IP address monitoring described present terminal changes, using the up-to-date IP address of the IP address after change as counterpart terminal;
Described sending module, also for sending corresponding differential data according to described up-to-date IP address to described present terminal.
9. a defining method for GPS locator data, is characterized in that, comprising:
Terminal receives the differential data that parametric controller sends according to predetermined period;
Determine the differential data self needed according to the differential data received, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.
10. method as claimed in claim 9, it is characterized in that, described terminal determines the differential data self needed according to the differential data received, specifically comprise:
The differential data received, when the account level of self is premium account, is defined as the differential data self needed by described terminal;
Described terminal, when the account level of self is regular account, according to the positional information of self, selects the differential data required for self from the differential data received, and using differential data that the differential data selected needs as self.
11. methods as described in claim 9 or 10, is characterized in that, also comprise:
IP address after change, when monitoring described IP address and changing, is reported described parametric controller by described terminal.
12. 1 kinds of terminal devices, is characterized in that, comprising:
Receiver module, for receiving the differential data that parametric controller sends according to predetermined period;
Determination module, differential data for receiving according to described receiver module determines the differential data self needed, and when self needing to position, determine the final GPS locator data of self according to the up-to-date differential data determined and the raw GPS positioning data of self.
13. terminal devices as claimed in claim 12, is characterized in that, described determination module, specifically for when the account level of described terminal device is premium account, the differential data received are defined as the differential data self needed; And when the account level of terminal device is regular account, according to the positional information of terminal device, the differential data required for terminal device is selected from the differential data that described receiver module receives, and using differential data that the differential data selected needs as self.
14. terminal devices as described in claim 12 or 13, it is characterized in that, described terminal device, also comprises:
Monitoring modular, for monitoring the IP address of described terminal device, and when monitoring described IP address and changing, reports described parametric controller by the IP address after change.
CN201310741926.1A 2013-12-27 2013-12-27 The sending method of differential data, the determination method and device of GPS location data CN104749582B (en)

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CN106899613A (en) * 2017-04-05 2017-06-27 千寻位置网络有限公司 The method that enhancing differential service broadcasts security
CN106912076A (en) * 2017-03-27 2017-06-30 千寻位置网络有限公司 A kind of many application differential data broadcasting systems in multiple terminals and method
CN106953866A (en) * 2017-03-29 2017-07-14 千寻位置网络有限公司 Method and system, the service terminal of high accuracy positioning service are provided
CN106980123A (en) * 2017-03-27 2017-07-25 千寻位置网络有限公司 Treatment Analysis method and system, service terminal to receiving data
CN107864006A (en) * 2017-11-01 2018-03-30 千寻位置网络有限公司 Broadcast differential data authentication and the system and method for encryption
CN110706462A (en) * 2019-08-23 2020-01-17 桂林赛普电子科技有限公司 Position positioning and anti-theft monitoring method, system and equipment for low-power-consumption Internet of things terminal

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CN106912076A (en) * 2017-03-27 2017-06-30 千寻位置网络有限公司 A kind of many application differential data broadcasting systems in multiple terminals and method
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CN110706462A (en) * 2019-08-23 2020-01-17 桂林赛普电子科技有限公司 Position positioning and anti-theft monitoring method, system and equipment for low-power-consumption Internet of things terminal

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