CN103558621B - A kind of method and device carrying out positioning - Google Patents
A kind of method and device carrying out positioning Download PDFInfo
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- CN103558621B CN103558621B CN201310465985.0A CN201310465985A CN103558621B CN 103558621 B CN103558621 B CN 103558621B CN 201310465985 A CN201310465985 A CN 201310465985A CN 103558621 B CN103558621 B CN 103558621B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- 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
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
-
- 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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Navigation (AREA)
Abstract
The invention provides a kind of method and device carrying out and positioning, method includes: obtain the location data set of destination in current position, described current position is different from destination；Search for gps satellite in destination, and receive the positioning assistance data that the gps satellite searched is collected；Judging whether described location data set exists the location data corresponding with described positioning assistance data, if existing, calculating current geographical position further according to described location data.The present invention solves user and location data set must could have been downloaded when arriving at, and then carry out positioning action, and just location data set can not be downloaded in current position, if now network is poor or during without network, positioning time is long, thus the problem affecting Consumer's Experience.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of method and device carrying out and positioning.
Background technology
Flourish along with electronic technology, GPS(GPS) location technology have also been obtained
The biggest development, utilizes GPS technology to carry out navigating, positions, the function such as time service has obtained the most widely
Application.The process summary that GPS technology carries out navigating, positioning is: search gps satellite, reception searches
The positioning assistance data that gps satellite is collected, is demodulated the positioning assistance data received, and receives location
Assistance data also demodulates whole process needs one minute, i.e. GPS location is the fastest at about one minute.Therefore it is
Can complete whole location, to occur in that AGPS(auxiliary global satellite positioning system within the shorter time) skill
Art.AGPS is the method for operation of a kind of gps satellite, and it can utilize the information of GPS positioner base station,
Coordinate tradition gps satellite, allow the speed positioned faster.AGPS provides and surveys, from network, the location data downloaded
Collection (such as almanac data), save major part need at satellite receive data and oneself demodulating data time
Between, it being greatly shortened positioning time, AGPS only needs about 18 seconds positioning time.In prior art, about entering
The method of row location is: first GPS positioner obtains base station information nearby, is uploaded to by base station information
Location server, location server calculates the location such as current time, current location data by base station information
Collection, then it is returned to GPS positioner, carry out GPS location for GPS positioner.Prior art is deposited
Greatest drawback be that user could download determining nearby by network-side when arriving at AGPS
Bit data collection, and just this location data set collection can not have been downloaded in current position, if now network is poor
Or without network, positioning time can be longer, affects Consumer's Experience.
Summary of the invention
The invention provides a kind of method and device carrying out and positioning, solving in prior art user must be
Arrive at and the location data set of destination could have been downloaded, and then carry out positioning action, and can not
Just the location data set of destination is downloaded in current position, if the network of destination is poor or without network
Time, positioning time is long, thus the problem affecting Consumer's Experience.
In order to solve above-mentioned technical problem, present invention employs techniques below scheme:
A kind of method carrying out positioning, including:
In current position, terminal obtains the location data set of destination, and described current position is different from described destination；
In destination, terminal searching also receives the positioning assistance data of destination；
Position in data set whether there is the location number corresponding with described positioning assistance data described in terminal judges
According to, if existing, calculate current geographic position further according to described location data.
Further, described step is in current position, and terminal obtains the location data set of destination and includes: working as
Obtain the location data set of current time and/or the destination in the scheduled time frontly.
Further, current time and/or the location data set of the destination in the scheduled time are obtained in current position
Including: obtain the positional information of current position, and when anticipation arrives at corresponding to the geographical position of destination
Location data set, position data set described in terminal downloads.
Further, position in data set described in terminal judges whether exist relative with described positioning assistance data
Also include before the location data answered:
Judge to position described in terminal the time of data set effectiveness, if exceeding effective time threshold value, the most again
Obtain location data set.
Further, also include:
If described location data set does not exist the location data corresponding with described positioning assistance data, then eventually
Hold and calculate current geographic position according to described positioning assistance data.
Further, described location data set, positioning assistance data are almanac data and/or ephemeris data.
A kind of device carrying out positioning, it is characterised in that including:
Acquisition module, in current position, terminal obtains the location data set of destination, and described current position is not
It is same as described destination；
Receiver module, in purpose, terminal searching also receives the positioning assistance data of destination；
Whether judge module, exist and described positioning assistance data for positioning in data set described in terminal judges
Corresponding location data;
Computing module, in the presence of the judged result of judge module is, calculates further according to described location data
Current geographic position.
Further, acquisition module specifically for obtaining current time and/or the mesh in the scheduled time in current position
The location data set on ground.
Further, also including positioning assistance data computing module, described positioning assistance data computing module is used
Judged result in judge module be described location data set does not exist corresponding with described positioning assistance data
Location data time, according to described positioning assistance data calculate current geographic position.
The invention provides a kind of method carrying out positioning so that user just can obtain destination in current position
Location data set, when arriving at, the gps satellite that search is local, and receive gps satellite and gathered
The positioning assistance data arrived, then judge to position in data set whether exist corresponding with positioning assistance data
Location data, if existing, calculate current geographic position further according to corresponding location data.The method makes
User can obtain the location data set of destination in current position, poor in destination network or during without network,
Still can complete positioning action, also enhance Consumer's Experience simultaneously.Enter it addition, present invention also offers one
The device of row location, this device carrying out positioning has can be at the location data set of current position acquisition destination
Function, it is thus possible to be readily achieved whole location so that user can more quickly finish positioning action, with
Time also can save the flow spent in destination and strengthen Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of method carrying out positioning that one embodiment of the invention provides；
Fig. 2 is a kind of method schematic diagram carrying out positioning that another embodiment of the present invention provides；
Fig. 3 is the structure chart of a kind of device carrying out positioning that another embodiment of the present invention provides.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
Fig. 1 is the flow chart of a kind of method carrying out positioning that one embodiment of the invention provides, and refers to Fig. 1,
The method includes:
S101: obtain the location data set of destination in current position.Described current position is different from destination, tool
Body ground, is sent to location server in current position by the base station information of destination, and this location server is according to mesh
The base station information on ground be sent to terminal by positioning data set accordingly.This location data set includes that this position takes
The business location data set for all satellites that can get of device, this location data set including, but not limited to:
Almanac data, ephemeris data.Preferably, the location data set of destination can be obtained in several ways,
Such as, from location server, directly obtain the location data set of destination, i.e. can directly input destination
Address download or the mode such as download automatically when browsing elsewhere；From the location number with this destination
Obtain according to the other-end of collection, i.e. can use bluetooth and other ends of the location data set with this destination
End is shared or can make otherwise to share；Or the mode directly downloaded from webpage obtains purpose
The location data set etc. on ground.Owing to just can complete this operation in current position, so user can select one
The place providing free flow and amenity carries out this operation, so can save flow, particularly in state
Time outer, in the case of mobile data traffic price comparison is expensive, more should so operate, so also improve simultaneously
Consumer's Experience.
S102: search for and receive the positioning assistance data of destination in destination.When user arrives at,
The gps satellite that search is local at once, just can position accurately it is generally required to search out three gps satellites,
Then the positioning assistance data that these gps satellites are collected is received.This positioning assistance data includes but not office
It is limited to almanac data, the pseudo-distance of reception antenna to satellite and the rate of change of distance and GPS positioner position
Put coordinate, clock correction.
S103: judge whether there is the location corresponding with described positioning assistance data in the data set of described location
Data, if existing, enter S104, if not existing, enter S105.Specifically, corresponding is exactly in location
Can data set exist the location data of the positioning assistance data that the gps satellite that expression searched out is collected.
S104: calculate current geographic position according to described location data.Specifically, corresponding according to these
Location data establish an equation according to GPS positioning principle, calculate current geographic position.Calculate according to location data
The mode of current geographic position refers to existing AGPS technology.Such as location data substitution below equation is counted
Calculate current geographic position.
In equation, x, y, z is the rectangular space coordinate of destination, xi, yi, zi(i=1,2,3,4) respectively
By the satellite 1 searched, satellite 2, satellite 3, satellite 4 at the rectangular space coordinate of t, it is by positioning
Data provide, vti (i=1,2,3,4) be respectively searched satellite 1, satellite 2, satellite 3, satellite 4
The clock correction of satellite clock, also provided by location data,It is the clock correction of receptor in GPS device.With
Upper four equations can calculate x, y, z,I.e. draw current geographic position.
S105: terminal calculates current geographic position according to described positioning assistance data.This is to represent that user is in advance
The location data set downloaded is the most expired, and now, user directly can calculate according to positioning assistance data and work as
Front geographical position, it is also possible to again download location data set from location server, then proceed as described above；
Directly this positioning assistance data can also be sent to location server, receive described location server according to institute
State the current geographical position that the location data corresponding to positioning assistance data calculate, to described current ground
Reason position shows, at this moment user can carry out being accurately positioned of GPS in the same old way, but the time that now may spend
Also can be the longest.Therefore, in order to avoid the generation of this type of situation, generally obtain current time or pre-in current position
The location data set of the destination in timing, when the described scheduled time is described location data set effective
Between.In the effective time of existing more accurate location data set has two kinds: 2 hours, in 7 days.2
Within individual hour, interior location data set is the data that degree of accuracy is the highest, can be accurate in 10 meters；Location in 7 days
Data set error is relatively big, so in order to be able to be more accurately located, user can arrange downloaded location data set
Regular update, or destination can be arrived in effective time, so use of the more convenient user of energy.
Specifically, referring to Fig. 2, Fig. 2 is a kind of method carrying out positioning that another embodiment of the present invention provides
Schematic diagram.First, current position user on GPS positioner 202 by the letter in destination base station 201
Breath is sent to location server 203, and location server 203 will according to the information in the base station 201 of this destination
Corresponding location data set is sent to GPS positioner 202, after user arrives at, search locality
Gps satellite 204, and receive the positioning assistance data that gps satellite 204 is collected, then, it is judged that fixed
Whether bit data collection exists the location data corresponding with this positioning assistance data, if existing, then and GPS location
Device 202, by using these corresponding location data to calculate, draws the current of GPS positioner 202
Geographical position；And this current geographic position is shown on GPS positioner 202；If not existing, then GPS
Received positioning assistance data is sent to location server 203, location server by positioner 202
203 find corresponding location data according to this positioning assistance data, and utilize these location data to calculate this
Time current geographic position information feed back to GPS positioner 202.So, GPS positioner 202 is still
Can complete positioning action, but the time now spent is the longest, therefore user should avoid sending out of this situation as far as possible
Raw.
A kind of method carrying out positioning that the present embodiment provides, is got by various modes current position user
Location data set after, be saved in GPS positioner, when user arrives at, search is local
Gps satellite, and receive the positioning assistance data that gps satellite is gathered, then the location data acquired in judgement
Whether collection exists the location data corresponding with satellite data, if existing, then uses location data to calculate and works as
Front geographical position, and this current geographic position is shown.So user can not waste flow in destination
In the case of obtain current geographic position information quickly, meet the requirement of user, also strengthen user's body simultaneously
Test.
Fig. 3 is the structural representation of a kind of device carrying out positioning that another embodiment of the present invention provides.Please join
Seeing Fig. 3, this positioner 3 includes: acquisition module 301, receiver module 302, it is judged that module 303 and meter
Calculating module 304, acquisition module 301, in current position, terminal obtains the location data set of destination, institute
State current position and be different from described destination.Location data set is including, but not limited to almanac data, ephemeris data.
Specifically, the address inputting destination in positioner carries out positioning the download of data set, is i.e. to receive
To the base station information of destination be sent to location server, location server is according to the destination received
Base station information is sent to positioner by positioning data set accordingly.Preferably, when obtaining current in current position
Carve or the location data set of destination in the scheduled time, it is contemplated that when the time is described location data set effective
Between.The effective time of location data set has two kinds, and one is 2 hours, and another kind is 7 days, time effective
Between be 2 hours be the location data set that degree of accuracy is the highest, and 7 days be the location number that error is bigger
According to collection.It addition, the mode that obtains outer fix data set concrete the most also including, but not limited to: from current position
Location server in obtain, from have this destination location data set other-end obtain, from webpage
Middle download；Receiver module 302, in purpose, terminal searching also receives the positioning assistance data of destination.
After user arrives at, the gps satellite that search is local at once, the satellite searched out is typically no less than 3
, the most just can position exactly, and receive the location supplementary number that the gps satellite searched is gathered
According to being saved in positioner；Whether judge module 303, exist for positioning in data set described in terminal judges
The location data corresponding with described positioning assistance data.Concrete, it is simply that in detection and location data set whether
The location data that the positioning assistance data existed and searched matches；Computing module 304, is used for judging mould
In the presence of the judged result of block is, calculate current geographic position further according to described location data.Mainly will
Described location data establish an equation according to GPS positioning principle and calculate current geographic position.Further, also
Including positioning assistance data computing module, described positioning assistance data computing module is for the judgement of judge module
When result is to there are not the location data corresponding with described positioning assistance data in the data set of described location, root
Current geographic position is calculated according to described positioning assistance data.The most now, due to the location data set downloaded in advance
Invalid, the most directly use positioning assistance data to calculate current geographical position.Further, this positions
Device also include positioning assistance data sending module and current geographic position information receiver module, location auxiliary
Data transmission blocks is not exist and described location in the data set of described location for the judged result of judge module
During the corresponding location data of assistance data, described positioning assistance data is sent to location server;Current position
Reason positional information receiver module is for receiving described location server according to corresponding to described positioning assistance data
The current geographic position that location data calculate.Further, this device carrying out positioning also includes detecting mould
Block, for after location data set is saved by the device carrying out positioning, also will determine this at preset timed intervals
Bit data collection carries out detection and updates, and this Preset Time time on the estimation is configured, such as, and can
Be every 2 hours detection update once, or shorter time detection update once；It can also be inspection in 7 days
Once or shorter time is good to survey renewal, and do so is provided to the location number in the device carrying out positioning
At any time can there are the location data corresponding with the positioning assistance data of destination, so according to collection
The situation occurring there are not corresponding location data will be reduced, thus make location more quick.
A kind of device carrying out positioning that the present embodiment provides, including four modules: acquisition module, receives mould
Block, it is judged that module and computing module, acquisition module obtains the location data set of destination, receives in current position
Module searches for gps satellite in destination, and receives the location supplementary number that the gps satellite searched is collected
According to, it is judged that module judges to position in data set whether there are the location data corresponding with positioning assistance data,
If in the presence of, computing module calculates current geographic position according to location data.Thus can enable users to
Positioning action is completed faster in the case of not spending flow.
The invention provides a kind of method and device carrying out and positioning, the method enables a user to obtain in current position
Take location data set, though poor in destination network or during without network so that and user can be more quick
Complete positioning action, shorten positioning time, also can save the flow and enhancing spent in destination simultaneously
Consumer's Experience.
Above content is to combine concrete preferred implementation further description made for the present invention, no
Can assert the present invention be embodied as be confined to these explanations.Common for the technical field of the invention
For technical staff, without departing from the inventive concept of the premise, it is also possible to make some simple deductions or replace
Change, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the method carrying out positioning, it is characterised in that including:
In current position, terminal obtains the location data set of destination, and described current position is different from described destination；
In destination, terminal searching also receives the positioning assistance data of destination, and described positioning assistance data is
Gathered by gps satellite, the data relevant to satellite fix；
Whether the location data set of the described destination that terminal judges obtains in described current position exists with described
The location data that positioning assistance data is corresponding, if existing, calculate further according to described corresponding location data
Go out current geographic position.
The method carrying out positioning the most according to claim 1, it is characterised in that described in current position,
Terminal obtains the location data set of destination and includes:
Current time and/or the location data set of the destination in the scheduled time is obtained in current position.
The method carrying out positioning the most according to claim 2, it is characterised in that obtain in current position
The location data set of current time and/or the destination in the scheduled time includes:
Obtain the positional information of current position, and when anticipation arrives at corresponding to the geographical position of destination
Position data set, described in terminal downloads, position data set.
The method carrying out positioning the most according to claim 1, is further characterized in that, described in terminal judges
Also include before whether location data set exists the location data corresponding with described positioning assistance data:
Judge to position described in terminal the time of data set effectiveness, if exceeding effective time threshold value, the most again
Obtain location data set.
The method carrying out positioning the most according to claim 1, it is characterised in that also include:
If described location data set does not exist the location data corresponding with described positioning assistance data, then eventually
Hold and calculate current geographic position according to described positioning assistance data.
The method carrying out positioning the most according to claim 5, it is characterised in that including:
Rely on positioning assistance data, obtain location data by position location satellite, and/or obtained by location server
Take positioning assistance data.
7. the method positioned according to the carrying out described in any one of claim 1 to 6, it is characterised in that described
Location data set, positioning assistance data are almanac data and/or ephemeris data.
8. one kind carries out the device positioned, it is characterised in that including:
Acquisition module, in current position, terminal obtains the location data set of destination, and described current position is not
It is same as described destination；
Receiver module, in destination, terminal searching also receives the positioning assistance data of destination, described
Positioning assistance data is to be gathered by gps satellite, the data relevant to satellite fix；
Whether judge module, for judging in the location data set of described destination obtained in described current position
There are the location data corresponding with described positioning assistance data；
Computing module, in the presence of the judged result of judge module is, further according to described corresponding location number
According to calculating current geographic position.
A kind of device carrying out positioning the most according to claim 8, it is characterised in that acquisition module has
Body for obtaining current time and/or the location data set of the destination in the scheduled time in current position.
A kind of device carrying out positioning the most according to claim 8, it is characterised in that also include location
Assistance data computing module, described positioning assistance data computing module is institute for the judged result of judge module
State in the data set of location when there are not the location data corresponding with described positioning assistance data, according to described fixed
Position assistance data calculates current geographic position.
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| CN201310465985.0A CN103558621B (en) | 2013-09-30 | 2013-09-30 | A kind of method and device carrying out positioning |
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| CN201310465985.0A CN103558621B (en) | 2013-09-30 | 2013-09-30 | A kind of method and device carrying out positioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106226794A (en) * | 2016-08-24 | 2016-12-14 | 惠州Tcl移动通信有限公司 | A kind of off-line air navigation aid based on mobile terminal, system and mobile terminal |
| CN108337368B (en) * | 2018-01-16 | 2021-03-16 | 维沃移动通信有限公司 | Method for updating positioning data and mobile terminal |
| CN114339993B (en) * | 2022-03-16 | 2022-06-28 | 北京瑞迪时空信息技术有限公司 | Ground-based positioning method, device, equipment and medium based on antenna distance constraint |
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