CN104506345A - Self-adaptive method and self-adaptive system for reporting position information at intervals - Google Patents
Self-adaptive method and self-adaptive system for reporting position information at intervals Download PDFInfo
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Abstract
The invention discloses a self-adaptive method and a self-adaptive system for reporting position information at intervals, wherein the method comprises the following steps: acquiring the position information and speed information of terminal equipment by terminal equipment; recording the acquisition time; acquiring longitude and latitude values in the current position information of the terminal equipment; calculating the accumulated distance between the current position and the position reported the last time by utilizing the longitude and latitude values and the longitude and latitude values in the latest reported position information; judging whether the accumulated distance is larger than or equal to a preset distance threshold value; reporting the current position information of the terminal equipment and recording the report time point when the accumulated distance is larger than or equal to the preset distance threshold value. By adopting the method disclosed by the invention, the user traffic, the electric quantity of front-end equipment and the network bandwidth can be saved, the processing pressure of a server can be greatly alleviated and the data storage content is reduced.
Description
Technical field
The present invention relates to automatic positioning technology field, in particular a kind of positional information interval reports adaptive approach and system.
Background technology
The positional information collected is reported to background server by headend equipment, provides the services such as location, track display, all have a wide range of applications in fields such as scheduling for backstage.At present, the positional information collected is reported to the time interval of background server to be all relatively-stationary by headend equipment, and interval duration can be joined, and above gives the correct time, and reports with the fixed cycle by the time interval of setting.This time interval is low to moderate 1 second, 2 seconds, up to 30 seconds, 60 seconds even longer, span is larger, but the value of configuration all can not adapt to various situation.Such as be set to 2s, to ensure that under higher speed transport condition the relative precision of initial trace is really necessary, if but report in compared with the even actionless situation of low speed driving and so frequently really there is no need, report frequently and track accuracy is not helped, just waste the flow of user, the electricity of equipment, the bandwidth of network, add processing pressure and the waste memory space of server.If but were set to 30s, the accurate performance of track would better be ensured at low speeds, but is difficult to be guaranteed at high-speed travel state track.Therefore, always there is the wasting of resources to a certain extent or track distortion in the fixing interval that reports.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, positional information interval is the object of the present invention is to provide to report adaptive approach and system, customer flow, headend equipment electricity, the network bandwidth can be saved, greatly can also alleviate the processing pressure of server and reduce memory data output.
Technical scheme of the present invention is as follows:
A kind of positional information interval reports adaptive approach, comprises the following steps:
A, terminal equipment gather the positional information of described terminal equipment and velocity information and record acquisition time;
B, the latitude and longitude value obtained in terminal equipment current location information, and the latitude and longitude value in the positional information utilizing this latitude and longitude value and the last time to report calculates current location and the last time reports cumulative distance between position, judge whether this cumulative distance value is more than or equal to predeterminable range threshold values; Or the velocity amplitude obtained in terminal equipment present speed information, calculate the ratio of described predeterminable range threshold values and described velocity amplitude, and judge whether this ratio is less than or equal to the time interval of current acquisition time and the last reporting position information time;
C, when above-mentioned cumulative distance is more than or equal to predeterminable range threshold values or when the ratio of predeterminable range threshold values and above-mentioned velocity amplitude is less than or equal to the time interval of current acquisition time and the last reporting position information time, reporting terminal equipment current location information record reports time point.
Described positional information interval reports adaptive approach, wherein, also comprises before described steps A:
Step S, prestore for as judging whether the constant distance of reporting position information or calculating and the predeterminable range threshold values of terminal equipment current speed value ratio as constant distance in described terminal equipment, and for reporting time threshold values as reporting position information time interval maximum.
Described positional information interval reports adaptive approach, and wherein, described step B specifically comprises:
Judge above-mentioned cumulative distance be more than or equal to predeterminable range threshold values before also should judge the current collection position information of terminal equipment time whether to be more than or equal to the time interval of the time of the last positional information reported and to report time threshold values, if it is reporting terminal equipment current location information record reports time point and latitude and longitude value information.
Described positional information interval reports adaptive approach, and wherein, described step B specifically also comprises:
First need judge whether current speed value is 0 or is approximately 0 when calculating the ratio of predeterminable range threshold values and terminal equipment current speed value, if current speed value is 0 or is approximately 0, the trigger value then will time threshold values being reported as reporting position information, when reporting time threshold values to trigger, then reporting terminal equipment current location information also records and reports time point information.
Described positional information interval reports adaptive approach, and wherein, the velocity amplitude in described terminal equipment acquisition speed information is the mean value that terminal equipment obtains each speed after the last reporting position information.
The present invention also provides a kind of positional information interval described above to report the system of adaptive approach, and comprise terminal equipment, terminal equipment also comprises:
Acquisition module, for gathering the positional information of described terminal equipment and velocity information and recording acquisition time;
Processing module, for obtaining the latitude and longitude value in terminal equipment current location information, and the latitude and longitude value in the positional information utilizing this latitude and longitude value and the last time to report calculates current location and the last time reports cumulative distance between position, judge whether this cumulative distance value is more than or equal to predeterminable range threshold values; Or the velocity amplitude obtained in terminal equipment present speed information, calculate the ratio of described predeterminable range threshold values and described velocity amplitude, and judge whether this ratio is less than or equal to the time interval of current acquisition time and the last reporting position information time;
Information reporting module, for when above-mentioned cumulative distance is more than or equal to predeterminable range threshold values, or when the ratio of predeterminable range threshold values and above-mentioned velocity amplitude is less than or equal to the time interval of current acquisition time and the last reporting position information time, reporting terminal equipment current location information record reports time point.
Described positional information interval reports Adaptable System, and wherein, described terminal equipment also comprises:
Preset value module, for prestoring for as judging whether the constant distance of reporting position information or calculating and the predeterminable range threshold values of terminal equipment current speed value ratio as constant distance in described terminal equipment, and for reporting time threshold values as reporting position information time interval maximum.
Described positional information interval reports Adaptable System, and wherein, described processing module specifically comprises:
First interval processing unit, for judge described cumulative distance be more than or equal to predeterminable range threshold values before also should judge the current collection position information of terminal equipment time whether to be more than or equal to the time interval of the time of the last positional information reported and to report time threshold values, if it is reporting terminal equipment current location information record reports time point and latitude and longitude value information.
Described positional information interval reports Adaptable System, and wherein, described processing module specifically also comprises:
Second interval processing unit, first need judge whether current speed value is 0 or is approximately 0 during for calculating the ratio of predeterminable range threshold values and terminal equipment current speed value, if current speed value is 0 or is approximately 0, the trigger value then will time threshold values being reported as reporting position information, when reporting time threshold values to trigger, then reporting terminal equipment current location information also records and reports time point information.
Described positional information interval reports Adaptable System, wherein, it is characterized in that, the velocity amplitude in described terminal equipment acquisition speed information is the mean value that terminal equipment obtains each speed after the last reporting position information.
Positional information interval provided by the present invention reports adaptive approach and system, adaptive reporting position information is carried out according to relatively-stationary distance, both the trouble of artificial amendment configuration had been eliminated, also the position consecutive points distance reported can be made substantially to maintain one and comparatively to stablize rational scope, ensure that the relative precision of track.Meanwhile, when track accuracy is suitable, reporting information total compared with original method can greatly reduce, and both can save customer flow, device end electricity, the network bandwidth, greatly can also alleviate the processing pressure of server and reduce memory data output.
Accompanying drawing explanation
Fig. 1 is the grid figure that in the present invention, positional information interval reports adaptive approach.
Fig. 2 is the FB(flow block) that in the present invention, positional information interval reports adaptive approach preferred embodiment.
Fig. 3 is the flow chart that in the present invention, positional information interval reports adaptive approach preferred embodiment.
Fig. 4 is the FB(flow block) that in the present invention, positional information interval reports adaptive approach second preferred embodiment.
Fig. 5 is the flow chart that in the present invention, positional information interval reports adaptive approach second preferred embodiment.
Fig. 6 is the preferred embodiment module map that in the present invention, positional information interval reports Adaptable System.
Embodiment
The invention provides a kind of positional information interval and report adaptive approach and system, for making object of the present invention, technical scheme and effect clearly, clearly, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to shown in Fig. 1, the inventive method realizes based on terminal equipment, dispatch server and dispatching desk, wherein terminal equipment belongs to front-end information collecting device, may be hand-held also may for vehicle-mounted, it carries out the collection of positional information by GPS/ Big Dipper module, and the information collected regularly is reported to the dispatch server on backstage, stored by dispatch server, obtain for dispatching desk user.User can be navigated to correspondence position on map by positional information that dispatching desk gets user accurately, and provides presenting of real-time track and historical track intuitively.
Positional information interval provided by the invention reports adaptive approach, can be direct or indirect when collecting positional information utilize relative constancy distance to carry out judging whether should reporting position information.The present invention is described the method by two specific embodiments, and one of them embodiment directly calculates current location point and reports a distance whether to reach certain value recently, with regard to reporting position information when reaching this definite value; Another embodiment utilizes relative constancy distance and the ratio of terminal equipment present speed to draw current to report the time interval, reaches this time value and namely carry out reporting position information.
Should prestore for as the predeterminable range threshold values of constant distance judging whether reporting position information before executing location reports step in described terminal equipment, and for reporting time threshold values as reporting position information time interval maximum.
Refer to shown in Fig. 2, embodiment provided by the invention specifically comprises the following steps:
S110, terminal equipment gather the positional information of described terminal equipment and record acquisition time.Namely terminal equipment is periodically by GPS acquisition terminal device location information, and this positional information is supplied to terminal background process.
S120, the latitude and longitude value obtained in terminal equipment current location information, and the latitude and longitude value in the positional information utilizing this latitude and longitude value and the last time to report calculates current location and the last time reports cumulative distance between position, judge whether this cumulative distance value is more than or equal to predeterminable range threshold values.
Namely terminal equipment obtains the current location information that above-mentioned steps gathers, and latitude and longitude information residing for described terminal equipment is extracted from this positional information, then current longitude and latitude is utilized to calculate the distance of movement in the last collection period with the last latitude and longitude information gathered, if last collection point non-the last time reports a little, also need this nearest segment distance to report cumulative distance to be a little added as new cumulative distance with the last collection point calculated to the last time, i.e. the path distance of terminal equipment movement after the last reporting position information.To judge that result that whether path distance of this terminal equipment movement is more than or equal to predeterminable range threshold values is as reporting according to (namely for judging whether to upload the current location information that terminal equipment gathers).Certainly, calculating apart from front in extraction latitude and longitude value, first should judging that whether this positional information is the initial value of positional information, the positional information namely gathered first when enabling navigation system or device.If current location information is initial value, report this positional information as fiducial value.
When cumulative distance between latitude and longitude value in S130, the positional information that reports when the latitude and longitude value in terminal equipment current location information and the last time is more than or equal to predeterminable range threshold values, reporting terminal equipment current location information record reports time point and positional information.Namely, when the path distance of the terminal equipment movement in above-mentioned steps is more than or equal to the predeterminable range threshold values of reporting position information, reporting position information is also recorded the time reporting this positional information by terminal equipment.
For making the present embodiment be illustrated more fully, referring to table 1, being described further below in conjunction with table 1 pair the present embodiment.
Table 1: judge whether reporting position information according to latitude and longitude value
| Gather relative point in time (second) | Longitude | Latitude | Consecutive points distance d (rice) | Cumulative distance S (rice) | Whether report | Remarks |
| 0 | 113.300521 | 23.37837 | Be | Initial value | ||
| 2 | 113.300531 | 23.37858 | 23.33608061 | 23 | Be | S>=Smin |
| 4 | 113.300541 | 23.37876 | 20.00262519 | 20 | Be | S>=Smin |
| 6 | 113.300531 | 23.37893 | 18.89148351 | 19 | No | S<Smin |
| 8 | 113.300481 | 23.37909 | 17.80790613 | 37 | Be | S>=Smin |
| 10 | 113.300421 | 23.37925 | 17.82045079 | 18 | No | S<Smin |
| 12 | 113.300351 | 23.3794 | 16.727752 | 35 | Be | S>=Smin |
| 14 | 113.300281 | 23.37954 | 15.62070277 | 16 | No | S<Smin |
| 16 | 113.300211 | 23.37967 | 14.51429558 | 30 | Be | S>=Smin |
| 18 | 113.300151 | 23.37981 | 15.6036373 | 16 | No | S<Smin |
| 20 | 113.300111 | 23.37995 | 15.57760236 | 31 | Be | S>=Smin |
| 22 | 113.300071 | 23.38007 | 13.3586294 | 13 | No | S<Smin |
| 24 | 113.300041 | 23.38018 | 12.23805385 | 26 | Be | S>=Smin |
| 26 | 113.300031 | 23.38027 | 10.00281605 | 10 | No | S<Smin |
| 28 | 113.300031 | 23.38034 | 7.778400147 | 18 | No | S<Smin |
| 30 | 113.300031 | 23.38039 | 5.55600023 | 23 | Be | S>=Smin |
| 32 | 113.300021 | 23.38041 | 2.231437543 | 2 | No | S<Smin |
| 34 | 113.300021 | 23.38042 | 1.111200046 | 3 | No | S<Smin |
| 36 | 113.300021 | 23.38041 | 1.111200046 | 4 | No | S<Smin |
| 38 | 113.300031 | 23.38042 | 1.129162812 | 6 | No | S<Smin |
| 40 | 113.300031 | 23.38041 | 1.111200046 | 7 | Be | t>=Tmax |
| 42 | 113.300041 | 23.38042 | 1.129162812 | 1 | No | S<Smin |
| 44 | 113.300041 | 23.38041 | 1.111200046 | 2 | No | S<Smin |
| 46 | 113.300051 | 23.38041 | 0.20062053 | 2 | No | S<Smin |
| 48 | 113.300041 | 23.38041 | 0.20062053 | 3 | No | S<Smin |
| 50 | 113.300051 | 23.38041 | 0.20062053 | 3 | Be | t>=Tmax |
| … | … | … | … | … | … |
Reduce unnecessary reporting when ensureing motion track, will allow the location point of Information Monitoring position and the last time report a little between distance do not report when being less than certain value.First should determine the minimum value of this reporting position information adjacent position point distance, in the present embodiment, suppose that this minimum value is Smin.When computationally stating the distance of 2 adjacent position points, the distance of any two location points can be regarded as tellurian one section of circular arc long, calculating any two points range formula on the earth is: d=111.12cos{1/ [sin Φ Asin Φ B ten cos Φ Acos Φ Bcos (λ B-λ A)] }, wherein A point longitude, latitude is respectively λ A and Φ A, the longitude of B point, latitude are respectively λ B and Φ B, d are distance, and unit is km.The computing formula of certainly above-mentioned 2 distances also can be reduced to computational methods between plane 2 computing formula or other points and represent.If the current location point of terminal equipment collection and the last location point reported may not be the consecutive points of two collection period, then the distance of these two location points should be each adjacent periods collection position point distance sum between current location point to the location point reported for the last time, suppose to be denoted as S, S value and Smin are compared, whether judging distance S reaches predetermined value Smin as the foundation whether reported.
Arrange Smin=20 rice (i.e. predeterminable range threshold values) in the present embodiment, the collection period of terminal equipment Information Monitoring is 2 seconds, the maximum time interval Tmax=10 second (namely reporting time threshold values) of reporting position information.As shown in table 1, when the relative point in time of collection position information is 0 second, the positional information of collection is initial value, so this positional information should be reported as fiducial value.When the relative point in time of collection position information is 2 seconds, according to the latitude and longitude value while being 0 second (namely gather relative point in time latitude and longitude value) in the latitude and longitude value in collected positional information and the last positional information reported calculate this two positions select between distance d=23.33608061 rice, here S=d ≈ 23 meters, this two positions select between distance value be greater than predeterminable range threshold values Smin=20 rice, then report current location information and record reports time of current location information.Terminal equipment continues execution cycle collection position information Step, relative distance d=20.00262519 of the relatively the last location point reported when collection relative point in time is 4 seconds, here S=d ≈ 20 meters is had, this distance value equals predeterminable range threshold values, reports current location information equally and records the time reporting current location information.When to gather relative point in time be 6 seconds, calculate and be less than predeterminable range threshold values Smin with two positions point relative distance S when to gather relative point in time be 4 seconds, then not reporting position information.When collection relative point in time is 8 seconds, calculate the relative distance S=17.80790613+18.89148351 ≈ 37 meters with the location point of the last positional information reported while being 4 seconds (namely gathers relative point in time) two positions point, namely between current location point to the last location point reported each adjacent periods collection position point apart from sum.This relative distance is greater than predeterminable range threshold values Smin=20 rice, then reporting position information writing time.
Further, judge the distance between the position that terminal equipment current location information and the last time report be more than or equal to predeterminable range threshold values before also should judge the current collection position information of terminal equipment time whether to be more than or equal to the time interval of the time of the last positional information reported and to report time threshold values, if it is reporting terminal equipment current location information also records and reports time point and latitude and longitude value information, if otherwise continue to perform above-mentioned steps S110.
Please continue to refer to shown in table 1, when gathering relative point in time 32 seconds to 40 seconds, be in short-distance movement by the known terminal equipment of relative position of individual collection period time.In order to avoid terminal equipment is static, movable or do not carry out positional information for a long time under situation of movement at a slow speed and report among a small circle in the present embodiment, a problem reporting time threshold values to prevent from not carrying out for a long time positional information to report can be set in advance in terminal equipment.Suppose in the present embodiment that this reports time threshold values Tmax=10 second, namely when gathering relative point in time 40 seconds, it is ten seconds that relatively the last reporting position information gathers the relative point in time time interval of 30 seconds, and terminal equipment is reporting position information in these ten seconds, then terminal equipment will when to gather relative point in time be 40 seconds reporting position information writing time, prevent from not carrying out for a long time the problem that positional information reports.Same, when gathering relative point in time 42 seconds to 50 seconds, terminal equipment is in short-distance movement, gather relatively the last reporting position information of relative point in time 50 seconds to gather the relative point in time time interval of 40 seconds and equal 10 seconds, also reporting position information writing time.
Shown in associative list 1, known utilization the present invention, above-described embodiment is a little no more than 40 meters adjacent reporting, and the track of location is guaranteed, and the positional information gathered need report value minimizing over half, greatly can save the communication resource.
The method of the present embodiment performs flow process as shown in Figure 3:
S11, positional information cycle gather;
S12, judge whether initial value; If it is step S18 is performed, if otherwise perform step S13;
S13, calculate with nearest on report a time interval;
S14, judge whether that reaching maximum reports interval; If it is step S18 is performed, if otherwise perform step S15;
S15, extraction latitude and longitude value;
S16, calculate this point with report a distance recently;
S17, judge whether meet report distance; If it is step S18 is performed, if otherwise perform step S19;
S18, positional information report and writing time and longitude and latitude;
S19, wait collection period time arrive, and perform step S11, as detailed above.
As another specific embodiment of the present invention, positional information interval provided by the invention reports adaptive approach, utilize the ratio of relative constancy distance and terminal equipment nearly section speed to draw and current report the time interval, reach this time value and namely carry out reporting position information.
Should prestore in described terminal equipment before execution speed reports step and calculate and the predeterminable range threshold values of terminal equipment current speed value ratio as constant distance, and for reporting time threshold values as reporting position information time interval maximum.
Refer to shown in Fig. 4, it comprises the following steps:
S210, terminal equipment gather the velocity information of described terminal equipment and record acquisition time.Namely terminal equipment can obtain current translational speed from surrounding environment, also can extract current translational speed, as in-vehicle navigation apparatus by the positional information that gathers in terminal equipment.
S220, the velocity amplitude obtained in terminal equipment present speed information, calculate the ratio of described predeterminable range threshold values and described velocity amplitude, and judge whether this ratio is less than or equal to the time interval of current acquisition time and the last reporting position information time.When obtaining terminal equipment current speed value, also the velocity amplitude obtained by alternate manner obtains nearly section speed, calculate predeterminable range threshold values and described velocity amplitude ratio, and judge the difference whether this ratio is less than or equal to current acquisition time and the last time calls time.
Namely terminal equipment obtains institute's picking rate information in above-mentioned steps, and from this velocity information, extract the velocity amplitude of present terminal equipment moving.Terminal equipment calculates the time value that terminal equipment is mobile used in predeterminable range threshold values constant distance under present speed, i.e. the ratio of predeterminable range threshold values and described velocity amplitude.This time value and the time interval of current picking rate information time and the last reporting position information time (i.e. the difference of current acquisition time and the last reporting position information time) are made comparisons.
When the ratio of S230, predeterminable range threshold values and above-mentioned velocity amplitude is less than or equal to the time interval (i.e. current time and the difference that the last time calls time) of current acquisition time and the last reporting position information time, reporting terminal equipment current location information record reports time point.If the difference that this ratio is greater than current time and the last time calls time, wouldn't reporting position information, if this time value be less than or equal to current time and the last time calls time difference time reporting terminal equipment current location information record and report time point.
Be noted that the positional information that to be terminal equipment report in the last time of the terminal equipment velocity amplitude obtained in described velocity information in this specific embodiment after obtain the mean value of each speed.Namely equal the relation of distance divided by speed according to the time, utilize the nearest velocity amplitude of terminal equipment mobile dynamic calculation within the scope of constant distance to report the time interval.
For making the present embodiment be illustrated more fully, referring to table 2, being described further below in conjunction with table 2 pair the present embodiment.
Table 2: judge whether reporting position information according to velocity amplitude and constant distance scale relationships
| Gather relative point in time (second) | Longitude | Latitude | Present speed v (meter per second) | Calculating reports interval t (second) | Whether report | Remarks |
| 0 | 113.300521 | 23.37837 | 10.27778 | Be | Initial value | |
| 2 | 113.300531 | 23.37858 | 9.444444 | 4 | No | t>T |
| 4 | 113.300541 | 23.37876 | 9.444444 | 4 | Be | t<=T |
| 6 | 113.300531 | 23.37893 | 8.888889 | 4 | No | t>T |
| 8 | 113.300481 | 23.37909 | 8.888889 | 4 | Be | t<=T |
| 10 | 113.300421 | 23.37925 | 9.166667 | 4 | No | t>T |
| 12 | 113.300351 | 23.3794 | 8.888889 | 4 | Be | t<=T |
| 14 | 113.300281 | 23.37954 | 8.333333 | 4 | No | t>T |
| 16 | 113.300211 | 23.37967 | 8.333333 | 4 | Be | t<=T |
| 18 | 113.300151 | 23.37981 | 7.777778 | 5 | No | t>T |
| 20 | 113.300111 | 23.37995 | 7.222222 | 5 | No | t>T |
| 22 | 113.300071 | 23.38007 | 6.666667 | 6 | Be | t<=T |
| 24 | 113.300041 | 23.38018 | 5.555556 | 7 | No | t>T |
| 26 | 113.300031 | 23.38027 | 4.444444 | 9 | No | t>T |
| 28 | 113.300031 | 23.38034 | 3.055556 | 10 | No | t>T |
| 30 | 113.300031 | 23.38039 | 1.944444 | 10 | No | t>T |
| 32 | 113.300021 | 23.38041 | 0.555556 | 10 | Be | t<=T |
| 34 | 113.300021 | 23.38042 | 0 | 10 | No | t>T |
| 36 | 113.300021 | 23.38041 | 0 | 10 | No | t>T |
| 38 | 113.300031 | 23.38042 | 0 | 10 | No | t>T |
| 40 | 113.300031 | 23.38041 | 0 | 10 | No | t>T |
| 42 | 113.300041 | 23.38042 | 0 | 10 | Be | t<=T |
| 44 | 113.300041 | 23.38041 | 0 | 10 | No | t>T |
| 46 | 113.300051 | 23.38041 | 0.277778 | 10 | No | t>T |
| 48 | 113.300041 | 23.38041 | 0.277778 | 10 | No | t>T |
| 50 | 113.300051 | 23.38041 | 0 | 10 | No | t>T |
| … | … | … | … | … | … |
In the present embodiment for ensureing that terminal equipment carries out reporting interval self adaptation according to speed, need determine respectively to be worth according to application scenarios: the zone of reasonableness value (i.e. the span of constant distance) determining reporting position information consecutive points distance, be advisable to be no more than certain value, getting ultimate range in the present embodiment is Smax=40 rice; The collection period arranging terminal equipment Information Monitoring is 2 seconds, the maximum time interval Tmax=10 second (namely reporting time threshold values) of reporting position information.Specifically as shown in table 2, when the relative point in time of collection position information is 0 second, the positional information of collection is initial value, reports this positional information as fiducial value equally.When collection relative point in time is 2 seconds, calculating according to predeterminable range threshold values and nearly section velocity ratio reports the time interval to be 4 seconds, make comparisons by the difference (T=2-0=2 second) of this time value (t=4 second) with terminal equipment current acquisition time 2s and the last reporting position information time 0s, known t is greater than T, so wouldn't reporting position information.Gather relative point in time when being 4 seconds, calculate to report and be spaced apart 4 seconds, current acquisition time and the difference T=4-0=4 second that the last time calls time, so t equals T then reporting position information.Wherein gather corresponding point 18 seconds to 22 seconds, because the time interval that reports of calculating in the 22nd second is 6 seconds, equal 6 seconds time intervals of current time and reporting position information time last time, so can reporting position information.
In addition, first need judge whether current speed value is 0 or is approximately 0 when calculating the ratio of predeterminable range threshold values and terminal equipment current speed value, if current speed value is 0 or is approximately 0, the trigger value then will time threshold values being reported as reporting position information, when reporting time threshold values to trigger, then reporting terminal equipment current location information also records and reports time point information.
Please continue to refer to shown in table 2, at collection corresponding point 34 seconds to 44 seconds, because speed is 0, so directly use the threshold values 10 seconds of calling time as ratio, the 42nd second time, meet report condition report.In addition, gathering relative position point 28 to 32 seconds, also will be set to when the ratio calculated is greater than time threshold values 10 and reporting time threshold values 10,32 seconds time, meeting report condition, so answer reporting position information and current time.
The method of the present embodiment performs flow process as shown in Figure 5:
S21, positional information cycle gather;
S22, judge whether initial value; If it is step S26 is performed, if otherwise perform S23;
S23, extraction rate value;
S24, count according to nearly section speedometer interval of calling time in;
S25, judge whether meet on call time; If it is step S26 is performed, if otherwise perform step S27;
S26, positional information report and writing time;
S27, wait collection period time arrive, and perform step 21, as detailed above.
Positional information interval provided by the invention reports Adaptable System, can save customer flow, headend equipment electricity, the network bandwidth, greatly can also alleviate the processing pressure of server and reduce memory data output.The present invention also provides a kind of positional information interval based on said method to report Adaptable System in addition, and comprise terminal equipment 300, terminal equipment 300 also comprises:
Acquisition module 320, for gathering the positional information of described terminal equipment and velocity information and recording acquisition time, as detailed above.
Processing module 330, for obtaining the latitude and longitude value in terminal equipment current location information, and the latitude and longitude value in the positional information utilizing this latitude and longitude value and the last time to report calculates current location and the last time reports cumulative distance between position, judge whether this cumulative distance value is more than or equal to predeterminable range threshold values;
Or the velocity amplitude obtained in terminal equipment present speed information, calculate the ratio of described predeterminable range threshold values and described velocity amplitude, and judge whether this ratio is less than or equal to the time interval of current acquisition time and the last reporting position information time, as detailed above.
Information reporting module 340, for when above-mentioned cumulative distance is more than or equal to predeterminable range threshold values or when the ratio of predeterminable range threshold values and above-mentioned velocity amplitude is less than or equal to the time interval of current acquisition time and the last reporting position information time, reporting terminal equipment current location information also record reports time point, as detailed above.
Described positional information interval reports Adaptable System, and wherein, described terminal equipment 300 also comprises:
Preset value module 310, for prestoring for as judging whether the constant distance of reporting position information or calculating and the predeterminable range threshold values of terminal equipment current speed value ratio as constant distance in described terminal equipment, and for reporting time threshold values as reporting position information time interval maximum, as detailed above.
Described positional information interval reports Adaptable System, and wherein, described processing module 330 specifically comprises:
First interval processing unit, for judge described cumulative distance be more than or equal to predeterminable range threshold values before also should judge the current collection position information of terminal equipment time whether to be more than or equal to the time interval of the time of the last positional information reported and to report time threshold values, if it is reporting terminal equipment current location information also records and reports time point and latitude and longitude value information, as detailed above.
Described positional information interval reports Adaptable System, and wherein, described processing module 330 specifically also comprises:
Second interval processing unit, first need judge whether current speed value is 0 or is approximately 0 during for calculating the ratio of predeterminable range threshold values and terminal equipment current speed value, if current speed value is 0 or is approximately 0, the trigger value then will time threshold values being reported as reporting position information, when reporting time threshold values to trigger, then reporting terminal equipment current location information also records and reports time point information, as detailed above.
Described positional information interval reports Adaptable System, and wherein, the velocity amplitude in described terminal equipment acquisition speed information is the mean value that terminal equipment obtains each speed after the last reporting position information, as detailed above.
Positional information interval provided by the present invention reports adaptive approach and system, adaptive reporting position information is carried out according to relatively-stationary distance, both the trouble of artificial amendment configuration had been eliminated, also the position consecutive points distance reported can be made substantially to maintain one and comparatively to stablize rational scope, ensure that the relative precision of track.Meanwhile, when track accuracy is suitable, reporting information total compared with original method can greatly reduce, and both can save customer flow, device end electricity, the network bandwidth, greatly can also alleviate the processing pressure of server and reduce memory data output.
In addition, also self adaptation reporting position information can be carried out according to other relevant parameter relations of positional information.Such as, distance combines with speed, distance combines with the time or speed combined with the time, and so on, by setting certain decision threshold, realizing the technology of reporting position, also should fall into protection scope of the present invention.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and such as, all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. positional information interval reports an adaptive approach, it is characterized in that, comprises the following steps:
A, terminal equipment gather the positional information of described terminal equipment and velocity information and record acquisition time;
B, the latitude and longitude value obtained in terminal equipment current location information, and the latitude and longitude value in the positional information utilizing this latitude and longitude value and the last time to report calculates current location and the last time reports cumulative distance between position, judge whether this cumulative distance value is more than or equal to predeterminable range threshold values; Or the velocity amplitude obtained in terminal equipment present speed information, calculate the ratio of described predeterminable range threshold values and described velocity amplitude, and judge whether this ratio is less than or equal to the time interval of current acquisition time and the last reporting position information time;
C, when above-mentioned cumulative distance is more than or equal to predeterminable range threshold values or when the ratio of predeterminable range threshold values and above-mentioned velocity amplitude is less than or equal to the time interval of current acquisition time and the last reporting position information time, reporting terminal equipment current location information record reports time point.
2. positional information interval according to claim 1 reports adaptive approach, it is characterized in that, also comprises before described steps A:
Step S, prestore for as judging whether the constant distance of reporting position information or calculating and the predeterminable range threshold values of terminal equipment current speed value ratio as constant distance in described terminal equipment, and for reporting time threshold values as reporting position information time interval maximum.
3. positional information interval according to claim 1 and 2 reports adaptive approach, it is characterized in that, described step B specifically comprises:
Judge above-mentioned cumulative distance be more than or equal to predeterminable range threshold values before also should judge the current collection position information of terminal equipment time whether to be more than or equal to the time interval of the time of the last positional information reported and to report time threshold values, if it is reporting terminal equipment current location information record reports time point and latitude and longitude value information.
4. positional information interval according to claim 1 and 2 reports adaptive approach, it is characterized in that, described step B specifically also comprises:
First need judge whether current speed value is 0 or is approximately 0 when calculating the ratio of predeterminable range threshold values and terminal equipment current speed value, if current speed value is 0 or is approximately 0, the trigger value then will time threshold values being reported as reporting position information, when reporting time threshold values to trigger, then reporting terminal equipment current location information also records and reports time point information.
5. positional information interval according to claim 1 reports adaptive approach, it is characterized in that, the velocity amplitude in described terminal equipment acquisition speed information is the mean value that terminal equipment obtains each speed after the last reporting position information.
6. the positional information interval as described in any one of claim 1-5 reports a system for adaptive approach, and comprise terminal equipment, it is characterized in that, terminal equipment also comprises:
Acquisition module, for gathering the positional information of described terminal equipment and velocity information and recording acquisition time;
Processing module, for obtaining the latitude and longitude value in terminal equipment current location information, and the latitude and longitude value in the positional information utilizing this latitude and longitude value and the last time to report calculates current location and the last time reports cumulative distance between position, judge whether this cumulative distance value is more than or equal to predeterminable range threshold values; Or the velocity amplitude obtained in terminal equipment present speed information, calculate the ratio of described predeterminable range threshold values and described velocity amplitude, and judge whether this ratio is less than or equal to the time interval of current acquisition time and the last reporting position information time;
Information reporting module, for when above-mentioned cumulative distance is more than or equal to predeterminable range threshold values, or when the ratio of predeterminable range threshold values and above-mentioned velocity amplitude is less than or equal to the time interval of current acquisition time and the last reporting position information time, reporting terminal equipment current location information record reports time point.
7. positional information interval according to claim 6 reports Adaptable System, it is characterized in that, described terminal equipment also comprises:
Preset value module, for prestoring for as judging whether the constant distance of reporting position information or calculating and the predeterminable range threshold values of terminal equipment current speed value ratio as constant distance in described terminal equipment, and for reporting time threshold values as reporting position information time interval maximum.
8. positional information interval according to claim 6 reports Adaptable System, it is characterized in that, described processing module specifically comprises:
First interval processing unit, for judge described cumulative distance be more than or equal to predeterminable range threshold values before also should judge the current collection position information of terminal equipment time whether to be more than or equal to the time interval of the time of the last positional information reported and to report time threshold values, if it is reporting terminal equipment current location information record reports time point and latitude and longitude value information.
9. positional information interval according to claim 6 reports Adaptable System, it is characterized in that, described processing module specifically also comprises:
Second interval processing unit, first need judge whether current speed value is 0 or is approximately 0 during for calculating the ratio of predeterminable range threshold values and terminal equipment current speed value, if current speed value is 0 or is approximately 0, the trigger value then will time threshold values being reported as reporting position information, when reporting time threshold values to trigger, then reporting terminal equipment current location information also records and reports time point information.
10. positional information interval according to claim 6 reports Adaptable System, it is characterized in that, the velocity amplitude in described terminal equipment acquisition speed information is the mean value that terminal equipment obtains each speed after the last reporting position information.
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| CN108520064A (en) * | 2018-04-11 | 2018-09-11 | 航天科技控股集团股份有限公司 | A kind of playback track querying method and system based on recorder platform |
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| CN110378641A (en) * | 2018-09-18 | 2019-10-25 | 北京京东尚科信息技术有限公司 | A kind of method and apparatus counting unmanned vehicle information |
| CN111181748A (en) * | 2018-11-09 | 2020-05-19 | 中移（杭州）信息技术有限公司 | Positioning information reporting method, device and readable medium |
| CN111181748B (en) * | 2018-11-09 | 2022-09-16 | 中移（杭州）信息技术有限公司 | Positioning information reporting method, device and readable medium |
| CN110411473A (en) * | 2019-06-25 | 2019-11-05 | 深圳市星火车联科技有限公司 | A kind of determining method and apparatus of distance |
| CN110749908B (en) * | 2019-09-27 | 2022-05-06 | 荣耀终端有限公司 | Positioning method and related equipment |
| CN110749908A (en) * | 2019-09-27 | 2020-02-04 | 华为终端有限公司 | Positioning method and related equipment |
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