CN106468776A - Positioning recording device data transmission method, system and positioning recording device - Google Patents
Positioning recording device data transmission method, system and positioning recording device Download PDFInfo
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- CN106468776A CN106468776A CN201610822524.8A CN201610822524A CN106468776A CN 106468776 A CN106468776 A CN 106468776A CN 201610822524 A CN201610822524 A CN 201610822524A CN 106468776 A CN106468776 A CN 106468776A
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- location data
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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
- G01S19/38—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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
Abstract
The embodiment of the present application provides a kind of positioning recording device data transmission method, and wherein, described positioning recording device includes locating module, memory module and sending module, and described method includes：Read the location data of described locating module current time i output, write this location data to memory module, described location data includes the elements of a fix and the direction of motion；Calculate the location data of current time i output and the angular separation of the location data of a upper moment i 1 output；When angular separation is more than or equal to predetermined angle threshold value, control sending module to the location data of current time i output described in server transport.After receiving location data, server adopts location data to update the course of positioning recording device, on the one hand decrease the data volume that positioning recording device is sent, on the other hand farthest ensure that the location data sending to server can truly reflect positioning recording device institute course.
Description
Technical field
The application is related to technical field of data processing, more particularly to a kind of positioning recording device data transmission method,
Plant positioning recording device, and a kind of positioning recording device data transmission system.
Background technology
Positioning recording device is that one kind can be arranged in aircraft or vehicle, is expert at for record-setting flight device or vehicle
The device of the location status data during entering.With reference to Fig. 1 for positioning recording device in prior art to server transport position
The schematic diagram of status data.Positioning recording device passes through global position system GPS (Global Positioning System) mould
Block obtains location status data, and passes through general packet radio service GPRS within (for example, 2 seconds) according to fixed time interval
(General Packet Radio Service) module is by location status data back to server.
Existing this according to fixed interval in the method for server transport location status data, positioning recording device meeting
The number of times of return data is more so that the load needed for server receiving data is higher.And, a lot of location status data for
For server be in fact hash (for example, positioning recording device somewhere static a period of time when, this period of time in
Location status data is all identical, and for server, these identical location status data are all skimble-skamble).
In addition, server is using the course to generate positioning recording device by the location status data that interval receives
When, the travel track being generated may be inconsistent with actual path.The positioning recording device traveling road generating for server with reference to Fig. 2
The contrast schematic diagram of the actual course of line and positioning recording device.As shown in Fig. 2 the positioning recording device that server generates
Course may be inconsistent with the actual course of positioning recording device.
Content of the invention
In view of the above problems it is proposed that the embodiment of the present application is to provide one kind to overcome the problems referred to above or at least in part
A kind of positioning recording device data transmission method of solving the above problems, a kind of positioning recording device, and a kind of positioning record
Device data transmission system.
In order to solve the above problems, the embodiment of the present application discloses a kind of positioning recording device data transmission method, wherein,
Described positioning recording device includes locating module, memory module and sending module, and described method includes：
Read the location data of described locating module current time i output, write this location data to memory module, described
Location data includes the elements of a fix and the direction of motion；
Calculate the location data of current time i output and the angular separation of the location data of a upper moment i-1 output；
When angular separation is more than or equal to predetermined angle threshold value, control sending module to when described in server transport currently
Carve the location data of i output.
Preferably, also include：
When described angular separation is less than predetermined angle threshold value, determine the transmission interval of location data, if the last time is to clothes
Business device send moment of location data to current time i interval reach described send interval, then control sending module to described
The location data of current time i output described in server transport.
Preferably, also include：
If in the default first time period sending after the location data of described current time i output, not receiving clothes
Business device is directed to the confirmation response that this location data returns, then again send this location data to described server.
Preferably, also include：
Receive the auxiliary positioning data for object location data and obtain request, described object location data is not for meeting
State the location data of the validation verification condition of server；
Obtain request according to described auxiliary positioning data, obtain auxiliary positioning number corresponding with described object location data
According to, described auxiliary positioning data is the location data in preset time period before and after the positioning moment of described object location data,
The described positioning moment is the moment that described locating module exports location data；
Send described auxiliary positioning data to described server.
Preferably, described location data also includes：Instantaneous velocity；
The described transmission interval determining location data, including：
Determine the transmission interval of location data according to described instantaneous velocity, wherein, described instantaneous velocity is bigger, and it is corresponding
Send interval less.
Meanwhile, the embodiment of the present application also discloses a kind of positioning recording device, wherein, including locating module, memory module
And sending module, described positioning recording device also includes：
Location data processing module, for reading the location data of described locating module current time i output, to storage mould
Block writes this location data, and described location data includes the elements of a fix and the direction of motion；
Angular separation computing module, for calculating the location data of current time i output and determining of a upper moment i-1 output
The angular separation of position data；
First sending module, for when angular separation is more than or equal to predetermined angle threshold value, controlling sending module to clothes
The location data of business device transmission described current time i output.
Preferably, also include：
Second sending module, for when described angular separation is less than predetermined angle threshold value, determining the transmission of location data
Interval, if the moment that the last time sends location data to server reaches described transmission interval to the interval of current time i, controls
Sending module processed is to the location data of current time i output described in described server transport.
Preferably, also include：
Data re-transmitting module, if for when sending default first after the location data of described current time i output
Between in section, do not receive server and be directed to the confirmation response that this location data returns, then again send this to described server fixed
Position data.
Preferably, also include
Request receiving module, the auxiliary positioning data for receiving for object location data obtains request, described target
Location data is the location data of the validation verification condition not meeting described server；
Assistance data acquisition module, for obtaining request according to described auxiliary positioning data, obtains and described target positioning
The corresponding auxiliary positioning data of data, described auxiliary positioning data is default before and after the positioning moment of described object location data
Location data in time period, the described positioning moment is the moment that described locating module exports location data；
3rd sending module, for sending described auxiliary positioning data to described server.
Preferably, described location data also includes：Instantaneous velocity；
Described second sending module includes：
Interval determination sub-module, the transmission for determining location data according to described instantaneous velocity is spaced, wherein, described wink
Shi Sudu is bigger, and its corresponding transmission interval is less.
Meanwhile, the embodiment of the present application also discloses a kind of positioning recording device data transmission system, wherein, including：Positioning
Recording equipment server；
Described positioning recording device, for using the method described in claim 1 to server transport location data；If
Send in the default first time period after described location data, do not receive server and be directed to the confirmation that this location data returns
Response, then send this location data to described server again；
Described server, for, after receiving location data, sending to described positioning recording device and being directed to this positioning number
According to confirmation response.
Preferably, described server, is additionally operable to judge whether location data meets validation verification condition；Generate for not
The auxiliary positioning data meeting the object location data of described validation verification condition obtains request；To described positioning recording device
Send described auxiliary positioning data and obtain request；Receive described positioning recording device and be directed to described auxiliary positioning data acquisition request
The auxiliary positioning data returning；
Described positioning recording device, is additionally operable to receive the auxiliary positioning data for object location data and obtains request, institute
State the location data that object location data is the validation verification condition not meeting described server；According to described auxiliary positioning number
According to obtaining request, obtain auxiliary positioning data corresponding with described object location data, described auxiliary positioning data is described
Location data in preset time period before and after the positioning moment of object location data, the described positioning moment is that described locating module is defeated
Go out the moment of location data；Send described auxiliary positioning data to described server.
The embodiment of the present application includes advantages below：
In the embodiment of the present application, positioning recording device reads the positioning number of locating module (GPS module) current time output
According to if the location data of current time output was more than or equal to angle threshold with the angular separation of the location data in a upper moment
Value, then control sending module to send the location data that current time exports to server.After receiving location data, service
Device adopts location data to update the course of positioning recording device.It is more than or equal to the positioning number of angle threshold condition by these
According to the course generating, can preferably represent the corner feature of course, and without the positioning number getting each
According to being all sent to server, on the one hand decrease the data volume that positioning recording device is sent, on the other hand farthest protect
Demonstrate,prove to send and can truly reflect positioning recording device institute course to the location data of server.
Brief description
Fig. 1 be in prior art positioning recording device to the schematic diagram of server transport location status data；
Fig. 2 is the right of positioning recording device course and the actual course of positioning recording device that server generates
Compare schematic diagram；
Fig. 3 is a kind of flow chart of steps of positioning recording device data transmission method embodiment 1 of the application；
Fig. 4 is the angular separation schematic diagram calculating two neighboring location data in the embodiment of the present application；
Fig. 5 is a kind of flow chart of steps of positioning recording device data transmission method embodiment 2 of the application；
Fig. 6 is the schematic diagram sending interval of location data in the embodiment of the present application；
Fig. 7 is the schematic diagram generating estimation range in the embodiment of the present application；
Fig. 8 is the schematic diagram of the course of the embodiment of the present application；
Fig. 9 is a kind of structured flowchart of positioning recording device embodiment of the application；
Figure 10 is a kind of structured flowchart of positioning recording device data transmission system embodiment of the application.
Specific embodiment
Understandable for enabling the above-mentioned purpose of the application, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and specifically real
Mode of applying is described in further detail to the application.
One of core idea of the embodiment of the present application is, the positioning in the location data according to current time and a upper moment
The angular separation size of data, sends location data by the corresponding interval that sends.Location data is enable preferably to react traveling
The corner feature of route, can reduce the load needed for the receiving data of server simultaneously.
With reference to Fig. 3, show a kind of steps flow chart of positioning recording device data transmission method embodiment 1 of the application
Figure, wherein said positioning recording device includes locating module, memory module and sending module；Described method specifically can include
Following steps：
Step 101, reads the location data of described locating module current time i output, writes this positioning to memory module
Data, described location data includes the elements of a fix and the direction of motion；
Specifically, locating module can be global position system GPS module, and certain locating module can also be dipper system
The navigation positioning module such as COMPASS module, Galileo GALILEO system module, the application is not construed as limiting to this.
Locating module can be with the location data of timing acquisition current time, for example, and every 1s obtains determining of a current time
Position data.Location data can include：The elements of a fix (latitude and longitude coordinates), the direction of motion.
Step 102, calculates the location data of described locating module current time i output and determining of a upper moment i-1 output
The angular separation of position data；
Calculate the direction of motion of location data of current time i output and the fortune of the location data of a upper moment i-1 output
The angular separation in dynamic direction.
It show the angular separation schematic diagram calculating two neighboring location data in the embodiment of the present application with reference to Fig. 4.Wherein,
A is the corresponding location point of a upper moment i-1 location data, and b is the corresponding location point of current time i location data.Due to positioning
Data includes the direction of motion, in Fig. 4, represents location data with vectorial A and vectorial B.Described angular separation is vectorial A and vector
The angle α of B.
Step 103, when angular separation is more than or equal to predetermined angle threshold value, controls sending module to send institute to server
State the location data of current time i output.
If the location data of current time i output is more than with the angular separation of the location data of a upper moment i-1 output
Or being equal to predetermined angle threshold value, then an explanation current time i and upper moment i-1 there occurs change, now in the movement direction
Sending module is controlled to send the location data of current time i output to server.
In the embodiment of the present application, positioning recording device will meet angle threshold condition (be adjacent upper one of location data
The angular separation of location data be more than or equal to predetermined angle threshold value) location data be sent directly to server, server exists
After receiving location data, location data is adopted to update the course of positioning recording device immediately.Because locating module obtains
The interval shorter (such as 0.5s-1s) of output location data, and these are more than or equal to the location data life of angle threshold condition
The course becoming, can preferably represent the corner feature of course, and without the location data getting each
It is sent to server, on the one hand decrease the data volume that positioning recording device is sent, on the other hand farthest ensure that
Send and can truly reflect positioning recording device institute course to the location data of server.
With reference to Fig. 5, show a kind of steps flow chart of positioning recording device data transmission method embodiment 2 of the application
Figure, wherein said positioning recording device includes locating module, memory module and sending module；Described method specifically can include
Following steps：
Step 201, reads the location data of described locating module current time i output, writes this positioning to memory module
Data, described location data includes the elements of a fix and the direction of motion；
Step 202, calculates the location data of current time i output and the direction of the location data of a upper moment i-1 output
Angle；
Step 203, when angular separation is more than or equal to predetermined angle threshold value, controls sending module to server transport institute
State the location data of current time i output；
Step 204, when described angular separation is less than predetermined angle threshold value, determines the transmission interval of location data, if on
The moment once sending location data to server reaches described transmission interval to the interval of current time i, then control and send mould
Block is to the location data of current time i output described in described server transport；
If the location data of current time i output is less than with the angular separation of the location data of a upper moment i-1 output
Predetermined angle threshold value, then further determine that the last moment sending location data to server to the interval of current time i is
No reaching is spaced more than or equal to sending, if the last time sends the interval in the moment of location data to current time i to server
More than or equal to sending interval, then sending module is controlled to send the location data of current time i output to server.If last
The moment sending location data to server is less than transmission interval to the interval of current time i, then do not send positioning to server
The location data that device exports in current time i.
(it is less than predetermined angle threshold for being unsatisfactory for angle threshold condition with the angular separation of a upper moment i-1 location data
Value) location data, then explanation current time i same or like with the direction of motion of a upper moment i-1, can be according to true
The transmission interval of fixed location data sends these location datas, thus further reduce positioning recording device sending out to server
Send the number of times of location data, reduce the load needed for server receiving data simultaneously, but server can be ensure that as much as possible
Positioning recording device institute course can truly be reflected according to location data.
In the embodiment of the present application, described location data also includes：Instantaneous velocity；
The described step sending interval determining location data specifically can include：
Determine the transmission interval of location data according to described instantaneous velocity, wherein, described instantaneous velocity is bigger, and it is corresponding
Send interval less.
For example, if positioning recording device is 5m/s in the speed of current location point, its corresponding transmission interval threshold is
8s.If positioning recording device is 10m/s in the speed of current location point, its corresponding transmission interval threshold is 4s.
The instantaneous velocity of location data is less, and its impact to course is less, therefore, by between the transmission of location data
Every being set to inverse relation with instantaneous velocity, thus more flexible adjustment sends interval.
With reference to the schematic diagram sending interval shown in Fig. 6, being location data in the embodiment of the present application.Where it is assumed that during t1
The transmission interval threshold corresponding to the instantaneous velocity of location data carved is R1；The instantaneous velocity institute of the location data in t2 moment is right
The transmission interval threshold answered is R2, and the last moment sending location data to server is t0, locating module output positioning number
According to time interval be T.
Export location data in t1 moment locating module, because the t1 moment is to the last moment t0's sending location data
Interval does not send the location data in t1 moment less than corresponding transmission interval threshold R1, then positioning recording device.After elapsed time T
Reach t2, locating module exports the location data in t2 moment, because the t2 moment is to the last moment t0's sending location data
Interval more than sending interval threshold R2, then now sends the location data in t1 moment and t2 moment to server.
Step 205, if in the default first time period sending after the location data of described current time i output, not
Receive server and be directed to the confirmation response that this location data returns, then again send this location data to described server；
In the embodiment of the present application, server, after receiving location data, just returns one to positioning recording device
Confirmation response for this location data.If positioning recording device is after sending the location data of current time i output
In default first time period (for example, a minute), it is not received by server and is directed to the location data that current time i exports
Confirm response, then positioning recording device sends the location data of current time i output again to server.
Specifically, location data has a timestamp as mark (for example, determining with locating module output location data
The position moment is as timestamp).Server, after receiving location data, extracts timestamp therein, then in the confirmation returning
Add this timestamp in response.Which positioning recording device extraction time stamp in receiving confirmation response, such that it is able to know
Location data has been successfully sent to server.If unsuccessful transmission, resend this location data.Further, fixed
Position recording equipment can be retransmitted when not needing to send location data for the first time.
Step 206, receives the auxiliary positioning data for object location data and obtains request, described object location data is
Do not meet the location data of the validation verification condition of described server；
In the embodiment of the present application, server can carry out validation verification to the location data receiving, if positioning number
According to meeting validation verification condition, server will update the course of positioning recording device using this location data.
Validation verification condition includes：
1st, judge that whether the elements of a fix of location data are located in estimation range, if so, then using this location data as non-
Drift data；If it is not, then using this location data as the drift data not meeting validation verification condition.
If 2 location datas are non-drift datas, determine whether in this location data and its a period of time formerly
Whether the instantaneous velocity of location data is both less than pre-set velocity threshold value；If it is not, then this location data is tested as meeting effectiveness
The nonstatic data of card condition；If so, then determine whether the location data in this location data and its a period of time formerly
The elements of a fix whether be all located in the region of pre-set dimension.If it is not, then using this location data as meeting validation verification bar
The nonstatic data of part.
In the embodiment of the present application, server can be carried out to location data having for the first time when receiving location data immediately
The checking of effect property.Server, using by the location data of first time validation verification, generates the course of positioning recording device,
And this course is returned to user terminal, allow user understand the route of positioning recording device in real time.
After positioning recording device stops sending location data, server carries out second effectiveness to location data and tests
Card, server (such as 30 minutes) in preset time period does not receive location data then it is assumed that positioning recording device stops sending out
Send location data.If location data does not pass through second validation verification, server asks related data to positioning recording device,
To third time validation verification not being carried out by the location data of second validation verification.Server is using by having for the second time
The checking of effect property and the course generating positioning recording device by the location data of third time validation verification again, to divide
Analysis uses.
Hereinafter, further first time validation verification is illustrated.
1) after receiving location data d, first determine whether location data d whether in corresponding first estimation range.Its
In, the first estimation range is to be generated according to the location data in preset time period before location data d for the reception time.Example
As 4 location datas according to receiving in time 30s before location data d generate the first estimation range.
How to generate estimation range below by way of illustrating.
With reference to shown in Fig. 7, in the embodiment of the present application, generate the schematic diagram of estimation range.Wherein, location point G is to work as prelocalization
The coordinate position of data.Location point C, D, E, F are to receive in time sequencing in 30 seconds before current position determination data reception time
The continuously coordinate position of non-drift data.
Calculate the meansigma methodss of the instantaneous velocity in location point C, E, D, F, G, by instantaneous velocity during location point G and position
The meansigma methodss of instantaneous velocity during point C, E, D, F, G compare.If when instantaneous velocity during location point G and location point C, E, D, F, G
The meansigma methodss of instantaneous velocity difference in preset difference value, the instantaneous velocity of location point G and location point C, E, D, F, G are described
The average value of speed is few.Then adopt instantaneous velocity during location point G, and default acceleration is interval, generates first
Estimation range.
Specific it is assumed that instantaneous velocity during location point G is 10m/s, acceleration is interval to be [2m/s2-4m/s2].Accelerating
When the angle angle of the instantaneous velocity of degree and location point G is 0, with minimum acceleration 2m/s in acceleration interval2With location point G
Speed 10m/s, location point can be calculated and move to g1；With peak acceleration 4m/s in acceleration interval2With location point G
Speed 10m/s, location point can be calculated and move to g2.That is, may when with an angle angle, calculating location point
During the position moving to, a line segment can be obtained.Going to calculate the position that all angles location point can move into according to 360 °
When putting, the line segment corresponding to all angles combines and can get an estimation range.
2) if location data d is in corresponding first estimation range, when determining whether location data d with receiving
Between the instantaneous velocity of location data before location data d whether be both less than pre-set velocity threshold value；If it is not, then by location data
D is as the nonstatic data meeting validation verification condition；
If so, then will further determine the positioning of location data d and location data before location data d for the reception time
Whether coordinate is located in pre-set dimension region；If it is not, then using location data d as the nonstatic number meeting validation verification condition
According to；If so, then location data d does not meet validation verification condition.
For example, judge the instantaneous speed of location data d and 4 location datas receiving in time 30s before location data d
Whether degree is both less than 1m/s.If instantaneous velocity is both less than 1m/s, determine whether location data d and reception time in positioning number
It is 5m according to whether the elements of a fix of 4 location datas in 30s before d are all located at coordinate dimension2Border circular areas in.If it is not,
Then location data d is the nonstatic data meeting validation verification condition.
It should be noted that server only can be using the nonstatic data genaration positioning record meeting validation verification condition
The course of device.
Hereinafter, further second validation verification is illustrated.
(it is considered that positioning recording device has stopped sending after server does not receive location data within a period of time
Location data), the positioning moment according to location data is ranked up to location data, and the positioning moment refers to that locating module output is fixed
In the moment of position data, in location data, include the positioning moment.
After the completion of sequence, successively second validation verification is carried out to location data by the order in positioning moment.
1) judge location data w whether in corresponding second estimation range.Wherein, the second estimation range is according to positioning
When be engraved in location data in the preset time period before location data w and generate.It is engraved in location data w when for example, according to positioning
4 location datas in 30s generate the second estimation range before.Specific generating mode is similar to above-mentioned example, and here does not exist
Repeat.
2) if location data w is in corresponding second estimation range, location data w and positioning moment are determined whether
Whether the instantaneous velocity of the location data before location data w is both less than pre-set velocity threshold value；If it is not, then by location data w
As the nonstatic data meeting validation verification condition；
It is engraved in the positioning of the location data before location data w when if so, then will further determine location data w with positioning
Whether coordinate is located in pre-set dimension region；If it is not, then using location data w as the nonstatic number meeting validation verification condition
According to；If so, then location data w does not meet validation verification condition.
For example, the instantaneous speed of 4 location datas in 30s before judging to be engraved in location data w when location data w and positioning
Whether degree is both less than 1m/s.If instantaneous velocity is both less than 1m/s, determine whether to be engraved in positioning number when location data w and positioning
It is 5m according to whether the elements of a fix of 4 location datas in 30s before w are all located at coordinate dimension2Border circular areas in.If it is not,
Then location data w is the nonstatic data meeting validation verification condition.
The difference of first time validation verification and second validation verification is, the first validation verification is that server exists
During real-time reception location data, to according to reception time sequencing, currently received location data is verified.Second effectively
Property checking be server after stopping receiving location data, location data was ranked up according to the positioning moment, suitable according to sorting
Ordered pair location data carries out validation verification.
When location data is obstructed out-of-date in second validation verification, server asks the positioning moment to positioning recording device
Location data in preset time period before and after this location data.Specifically, server generates to be directed to and does not pass through second effectively
Property checking location data generate auxiliary positioning data obtain request, then by auxiliary positioning data obtain request send to position
Recording equipment.
Step 207, obtains request according to described auxiliary positioning data, obtains auxiliary corresponding with described object location data
Location data, described auxiliary positioning data is the positioning in preset time period before and after the positioning moment of described object location data
Data, the described positioning moment is the moment that described locating module exports location data；
Specifically, auxiliary positioning data obtain request can include not meeting the location data of validation verification condition when
Between stamp (positioning moment), positioning recording device determines corresponding object location data according to timestamp, then obtains in target positioning
Auxiliary positioning data in preset time period before and after the positioning moment of data.For example, obtain the positioning moment of object location data
Location data in 2s is as auxiliary positioning data in front and back.
Step 208, sends described auxiliary positioning data to described server.
Auxiliary positioning data is sent to server by positioning recording device, server after receiving auxiliary positioning data,
To auxiliary positioning data with location data (location data obtaining before second validation verification) before by positioning moment weight
Newly it is ranked up, after the completion of sequence, carry out third time validation verification for object location data.
Third time validation verification is similar to second validation verification, and here is not repeating.Simply second effectiveness
Checking is to be verified in location data (location data obtaining before second validation verification) before, and third time has
The checking of effect property be auxiliary positioning data and before location data (before second validation verification obtain location data) in
Verified.
Whether server passes through multiple validation verification, can more accurately judge location data effectively so that according to symbol
The course closing the location data generation of validation verification condition is more accurate.
It show the schematic diagram of the course of the embodiment of the present application with reference to Fig. 8.Wherein, meet angle threshold condition (fixed
The angular separation of a upper location data that position data is adjacent is more than or equal to predetermined angle threshold value) location data more
Intensive, and (angular separation of the upper location data that location data is adjacent is less than default to be unsatisfactory for angle threshold condition
Angle threshold) location data more sparse.Actual path is also more met according to the course that location data generates.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of action group
Close, but those skilled in the art should know, the embodiment of the present application is not limited by described sequence of movement, because according to
According to the embodiment of the present application, some steps can be carried out using other orders or simultaneously.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, involved action not necessarily the application is implemented
Example is necessary.
With reference to shown in Fig. 9, it is a kind of structured flowchart of positioning recording device embodiment of the application, wherein, including positioning
Module 301, memory module 302 and sending module 303, described positioning recording device also includes：
Location data processing module 304, for reading the location data of described locating module current time i output, Xiang Cun
Storage module writes this location data, and described location data includes the elements of a fix and the direction of motion；
Angular separation computing module 305, for calculating the location data of current time i output and a upper moment i-1 output
Location data angular separation；
First sending module 306, for angular separation be more than or equal to predetermined angle threshold value when, control sending module to
The location data of current time i output described in server transport.
In the embodiment of the present application, positioning recording device reads the positioning of locating module (such as GPS module) current time output
Data, if the location data of current time output was more than or equal to angle with the angular separation of the location data in a upper moment
Degree threshold value, then control sending module to send the location data that current time exports to server.After receiving location data,
Server adopts location data to update the course of positioning recording device.It is more than or equal to determining of angle threshold condition by these
The course of position data genaration, can preferably represent the corner feature of course, and without by determining that each gets
Position data is all sent to server, on the one hand decreases the data volume that positioning recording device is sent, on the other hand at utmost
Ensure that to send and can truly reflect positioning recording device institute course to the location data of server.
In the embodiment of the present application, described positioning recording device can also include：
Second sending module, for when described angular separation is less than predetermined angle threshold value, determining the transmission of location data
Interval, if the moment that the last time sends location data to server reaches described transmission interval to the interval of current time i, controls
Sending module processed is to the location data of current time i output described in described server transport.
If the location data of current time output was less than angle threshold with the angular separation of the location data in a upper moment
Value, then after reaching transmission interval, then the location data that current time is exported sends to server, thus reducing data is activation
Number of times, reduces the load needed for server receiving data.
In the embodiment of the present application, described positioning recording device can also include：
Data re-transmitting module, if for when sending default first after the location data of described current time i output
Between in section, do not receive server and be directed to the confirmation response that this location data returns, then again send this to described server fixed
Position data.
In the embodiment of the present application, described positioning recording device can also include：
Request receiving module, the auxiliary positioning data for receiving for object location data obtains request, described target
Location data is the location data of the validation verification condition not meeting described server；
Assistance data acquisition module, for obtaining request according to described auxiliary positioning data, obtains and described target positioning
The corresponding auxiliary positioning data of data, described auxiliary positioning data is default before and after the positioning moment of described object location data
Location data in time period, the described positioning moment is the moment that described locating module exports location data；
3rd sending module, for sending described auxiliary positioning data to described server.
In the embodiment of the present application, described location data also includes：Instantaneous velocity；
Described second sending module includes：
Interval determination sub-module, the transmission for determining location data according to described instantaneous velocity is spaced, wherein, described wink
Shi Sudu is bigger, and its corresponding transmission interval is less.
With reference to shown in Figure 10, it is a kind of structured flowchart of positioning recording device data transmission system embodiment of the application,
Including：Positioning recording device 401 server 402；
Described positioning recording device 401 includes locating module 4011, memory module 4012 and sending module 4013；
Positioning recording device 401, for reading the location data of described locating module 4011 current time i output, Xiang Cun
Storage module 4012 writes this location data, and described location data includes the elements of a fix and the direction of motion；Calculate current time i output
Location data with upper one moment i-1 output location data angular separation；It is more than or equal to predetermined angle in angular separation
During threshold value, sending module 4013 is controlled to transmit the location data of described current time i output to server 402；If sending institute
State in the default first time period after the location data of current time i output, do not receive server 402 and be directed to this positioning number
According to the confirmation response returning, then again send this location data to described server 402；
Described server 402, for, after receiving location data, sending to described positioning recording device and being directed to this positioning
The confirmation response of data.
In the embodiment of the present application, positioning recording device reads the positioning number of locating module (GPS module) current time output
According to if the location data of current time output was more than or equal to angle threshold with the angular separation of the location data in a upper moment
Value, then control sending module to send the location data that current time exports to server.After receiving location data, service
Device adopts location data to update the course of positioning recording device.It is more than or equal to the positioning number of angle threshold condition by these
According to the course generating, can preferably represent the corner feature of course.For being unsatisfactory for angle threshold condition (with its phase
The angular separation of an adjacent upper location data is less than predetermined angle threshold value) location data be not then immediately transmitted to server,
Thus reducing the data volume of transmission in certain period of time.
In the embodiment of the present application, described server 402, is additionally operable to judge whether location data meets validation verification bar
Part；Generate the auxiliary positioning data for the object location data not meeting described validation verification condition and obtain request；To institute
State positioning recording device 401 and send described auxiliary positioning data acquisition request；Receive described positioning recording device 401 for described
Auxiliary positioning data obtains the auxiliary positioning data that request returns；
Described positioning recording device 401, is additionally operable to receive the auxiliary positioning data for object location data and obtains request,
Described object location data is the location data of the validation verification condition not meeting described server；According to described auxiliary positioning
Data acquisition request, obtains auxiliary positioning data corresponding with described object location data, described auxiliary positioning data is in institute
Location data in preset time period before and after the positioning moment stating object location data, the described positioning moment is described locating module
The moment of 4011 output location datas；Send described auxiliary positioning data to described server 402.
Each embodiment in this specification is all described by the way of going forward one by one, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar partly mutually referring to.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present application can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present application can using complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.And, the embodiment of the present application can using one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of program code
The form of the computer program implemented.
The embodiment of the present application is with reference to according to the method for the embodiment of the present application, terminal unit (system) and computer program
The flow chart of product and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or square frame combination.These can be provided
Computer program instructions set to general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that holding by the processor of computer or other programmable data processing terminal equipments
The instruction of row produces for realizing in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame
The device of the function of specifying.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing terminal equipments
So that the instruction being stored in this computer-readable memory produces bag in the computer-readable memory working in a specific way
Include the manufacture of command device, this command device is realized in one flow process of flow chart or multiple flow process and/or one side of block diagram
The function of specifying in frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing terminal equipments so that
Series of operation steps is executed on computer or other programmable terminal equipments to produce computer implemented process, thus
On computer or other programmable terminal equipments, the instruction of execution is provided for realizing in one flow process of flow chart or multiple flow process
And/or the step of the function of specifying in one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the embodiment of the present application, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to
Including preferred embodiment and fall into being had altered and changing of the embodiment of the present application scope.
Last in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant meaning
Covering comprising of nonexcludability, so that include a series of process of key elements, method, article or terminal unit not only wrapping
Include those key elements, but also include other key elements being not expressly set out, or also include for this process, method, article
Or the intrinsic key element of terminal unit.In the absence of more restrictions, by wanting that sentence "including a ..." limits
It is not excluded that also there is other identical element in process, method, article or the terminal unit including described key element in element.
Above to a kind of positioning recording device data transmission method provided herein, a kind of positioning recording device, with
And a kind of positioning recording device data transmission system, it is described in detail, specific case used herein is to the application's
Principle and embodiment are set forth, and the explanation of above example is only intended to help and understands the present processes and its core
Thought；Simultaneously for one of ordinary skill in the art, according to the thought of the application, in specific embodiment and range of application
On all will change, in sum, this specification content should not be construed as the restriction to the application.
Claims (12)
1. a kind of positioning recording device data transmission method is it is characterised in that described positioning recording device includes locating module, deposits
Storage module and sending module, described method includes：
Read the location data of described locating module current time i output, write this location data, described positioning to memory module
Data includes the elements of a fix and the direction of motion；
Calculate the location data of current time i output and the angular separation of the location data of a upper moment i-1 output；
When angular separation is more than or equal to predetermined angle threshold value, control sending module to current time i described in server transport
The location data of output.
2. method according to claim 1 is it is characterised in that also include：
When described angular separation is less than predetermined angle threshold value, determine the transmission interval of location data, if the last time is to server
The moment sending location data reaches described transmission interval to the interval of current time i, then control sending module to described service
The location data of device transmission described current time i output.
3. method according to claim 1 and 2 is it is characterised in that also include：
If in the default first time period sending after the location data of described current time i output, not receiving server
The confirmation response returning for this location data, then send this location data to described server again.
4. method according to claim 1 and 2 is it is characterised in that also include：
Receive the auxiliary positioning data for object location data and obtain request, described object location data is not meet described clothes
The location data of the validation verification condition of business device；
Obtain request according to described auxiliary positioning data, obtain auxiliary positioning data corresponding with described object location data, institute
State the location data that auxiliary positioning data is in preset time period before and after the positioning moment of described object location data, described fixed
The position moment is the moment that described locating module exports location data；
Send described auxiliary positioning data to described server.
5. method according to claim 2 is it is characterised in that described location data also includes：Instantaneous velocity；
The described transmission interval determining location data, including：
Determine the transmission interval of location data according to described instantaneous velocity, wherein, described instantaneous velocity is bigger, its corresponding transmission
Interval is less.
6. a kind of positioning recording device is it is characterised in that include locating module, memory module and sending module, described positioning
Recording equipment also includes：
Location data processing module, for reading the location data of described locating module current time i output, writes to memory module
Enter this location data, described location data includes the elements of a fix and the direction of motion；
Angular separation computing module, for calculating the location data of current time i output and the positioning number of a upper moment i-1 output
According to angular separation；
First sending module, for when angular separation is more than or equal to predetermined angle threshold value, controlling sending module to server
Transmit the location data of described current time i output.
7. positioning recording device according to claim 6 is it is characterised in that also include：
Second sending module, for when described angular separation is less than predetermined angle threshold value, determining the transmission interval of location data,
If the moment that the last time sends location data to server reaches described transmission interval to the interval of current time i, control and send out
Send module to the location data of current time i output described in described server transport.
8. the positioning recording device according to claim 6 or 7 is it is characterised in that also include：
Data re-transmitting module, if for the default first time period after the location data of transmission described current time i output
Interior, do not receive server and be directed to the confirmation response that this location data returns, then again send this positioning number to described server
According to.
9. the positioning recording device according to claim 6 or 7 is it is characterised in that also include
Request receiving module, the auxiliary positioning data for receiving for object location data obtains request, described target positioning
Data is the location data of the validation verification condition not meeting described server；
Assistance data acquisition module, for obtaining request according to described auxiliary positioning data, obtains and described object location data
Corresponding auxiliary positioning data, described auxiliary positioning data is Preset Time before and after the positioning moment of described object location data
Location data in section, the described positioning moment is the moment that described locating module exports location data；
3rd sending module, for sending described auxiliary positioning data to described server.
10. positioning recording device according to claim 7 is it is characterised in that described location data also includes：Instantaneously speed
Degree；
Described second sending module includes：
Interval determination sub-module, the transmission for determining location data according to described instantaneous velocity is spaced, wherein, described instantaneous speed
Degree is bigger, and its corresponding transmission interval is less.
A kind of 11. positioning recording device data transmission systems are it is characterised in that include：Positioning recording device server；
Described positioning recording device, for using the method described in claim 1 to server transport location data；If sending
In default first time period after described location data, do not receive server and be directed to the confirmation sound that this location data returns
Should, then again send this location data to described server；
Described server, for, after receiving location data, sending for this location data to described positioning recording device
Confirm response.
12. systems according to claim 11, it is characterised in that described server, are additionally operable to whether judge location data
Meet validation verification condition；Generate the auxiliary positioning number for the object location data not meeting described validation verification condition
Ask according to obtaining；Send described auxiliary positioning data to described positioning recording device and obtain request；Receive described positioning record dress
Put and obtain, for described auxiliary positioning data, the auxiliary positioning data that request returns；
Described positioning recording device, is additionally operable to receive the auxiliary positioning data for object location data and obtains request, described mesh
Mark location data is the location data of the validation verification condition not meeting described server；Obtain according to described auxiliary positioning data
Take request, obtain auxiliary positioning data corresponding with described object location data, described auxiliary positioning data is in described target
Location data in preset time period before and after the positioning moment of location data, the described positioning moment is that described locating module output is fixed
The moment of position data；Send described auxiliary positioning data to described server.
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