CN103208189B - A kind of monitoring vehicle flow method and apparatus - Google Patents
A kind of monitoring vehicle flow method and apparatus Download PDFInfo
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- CN103208189B CN103208189B CN201310081200.XA CN201310081200A CN103208189B CN 103208189 B CN103208189 B CN 103208189B CN 201310081200 A CN201310081200 A CN 201310081200A CN 103208189 B CN103208189 B CN 103208189B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/024—Guidance services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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Abstract
The embodiment of the invention discloses a kind of monitoring vehicle flow method and apparatus, comprising: the Active Set community obtaining at least one target communication device, described target communication device is the communication facilities being positioned at vehicle; The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; The set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device; According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.Correspondingly, the embodiment of the present invention also provides a kind of monitoring vehicle flow equipment.The embodiment of the present invention can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
Description
Technical field
The present invention relates to intelligent transportation field, particularly relate to a kind of monitoring vehicle flow method and apparatus.
Background technology
At present for the traffic monitoring of intelligent transportation, mainly passage is deployed in camera on traffic route to supervise the flow in section, or infers the flow in section by the vehicle-mounted GPS equipment be contained on taxi.For the mode using camera head monitor, not only need to install a large amount of watch-dogs, also need a large amount of memory devices to store mass data, use cost is high; For the traffic monitoring of vehicle GPS, be the gps data needing the third aspect on the one hand, and be a kind of method of sampling, cause the accuracy of traffic monitoring very low.
In sum, the cost of the traffic monitoring technology realization of current intelligent transportation is high and accuracy is very low.
Summary of the invention
Embodiments provide a kind of monitoring vehicle flow method and apparatus, can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
First aspect, the embodiment of the present invention provides a kind of monitoring vehicle flow method, comprising:
Obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; Wherein, the set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device;
According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.
In the implementation that the first is possible, the described target localization point selecting each described target communication device from the anchor point of road, and using described target localization point as before the position that this target communication device is residing in described road, described method also comprises:
Calculate the coordinate figure of the subpoint on described road, described subpoint refer to preassigned base station to described road generic line described in location point on road;
Calculate the average coordinates value of the subpoint in each section in described road, and using the anchor point of the location point of described average coordinates value as this section, described average coordinates value is the mean value of the coordinate figure of all subpoints in this section;
Using the set of cells of the set of community corresponding for all subpoints in each section as this section anchor point, the community that described subpoint is corresponding refer to comprise from the base station that described subpoint is nearest and cover the community of described subpoint.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, the coordinate figure of the subpoint on the described road of described calculating comprises:
Calculate preassigned base station to described road generic line described in the coordinate figure of location point on road;
Select from described preassigned base station meet pre-conditioned base station to described road generic line described in location point on road as the subpoint of described road;
Wherein, describedly pre-conditionedly the greatest irradiation radius of this base station is greater than or equal to the bee-line of described road for base station.
In conjunction with the first possible implementation of first aspect or the possible implementation of the second of first aspect, in the implementation that the third is possible, described using the set of community corresponding for all subpoints in each section as this section anchor point set of cells after, described method also comprises:
Select the location communication device of each anchor point of described road in predetermined period, described location communication device refers to the set of cells of this anchor point and the highest communication facilities of Active Set community registration;
The target Active Set community of this anchor point is selected from the Active Set community of the location communication device of each anchor point, and be the set of cells of this anchor point by this target Active Set cell update, described target Active Set community refers to the Active Set community that in all activated collection community of the location communication device of this anchor point, probability of occurrence is the highest.
In conjunction with first aspect or the first possible implementation of first aspect or the possible implementation of the second of first aspect, in the 4th kind of possible implementation, the Active Set community of described at least one target communication device of acquisition, comprising:
Obtain the Active Set community of multiple time points of each described target communication device;
The described target localization point selecting each described target communication device from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device, comprising:
The target localization point of each described target communication device at each described time point is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device of this time point;
The flow of road described in the monitoring position that at least one target communication device described in described basis is residing in described road, comprising:
Calculate the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, described target road section is the section between two described target localization points; And/or
The position residing in described road according at least one target communication device described, calculates the quantity of vehicle in each section in described road.
In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, describedly calculate at least one communication described target road section translational speed in described road, and using the speed that described translational speed travels as vehicle in described target road section, comprising:
The first communication facilities that target localization point is continuous print anchor point in position in described road is selected from least one target communication device described;
Calculate the target road section translational speed of described first communication facilities in described road, and using the speed of described translational speed as vehicle traveling in described target road section.
Second aspect, the embodiment of the present invention provides a kind of monitoring vehicle flow equipment, comprising: acquiring unit, the first selection unit and monitoring unit, wherein:
Described acquiring unit, for obtaining the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
Described first selection unit, for selecting the target localization point of each described target communication device, and using described target localization point as the position residing in described road of this target communication device from the anchor point of road; Wherein, the set of cells of described target localization point and the Active Set community registration of this target communication device the highest;
Described monitoring unit, for the flow of road according to the monitoring position residing in described road of at least one target communication device described.
In the implementation that the first is possible, described equipment also comprises:
First computing unit, for calculating the coordinate figure of the subpoint on described road, described subpoint refer to preassigned base station to described road generic line described in location point on road;
Second computing unit, for calculating the average coordinates value of the subpoint in each section in described road, and using the anchor point of the location point of described average coordinates value as this section, described average coordinates value is the mean value of the coordinate figure of all subpoints in this section;
Determining unit, for the set of community corresponding to all subpoints using each section as the set of cells of this section anchor point, the community that described subpoint is corresponding refer to comprise from the base station that described subpoint is nearest and cover the community of described subpoint.
In conjunction with the first possible implementation of second aspect, in the implementation that the second is possible, described first computing unit also for calculate preassigned base station to described road generic line described in the coordinate figure of location point on road, and select from described preassigned base station meet pre-conditioned base station to described road generic line described in location point on road as the subpoint of described road;
Wherein, describedly pre-conditionedly the greatest irradiation radius of this base station is greater than or equal to the bee-line of described road for base station.
In conjunction with the first possible implementation of second aspect or the possible implementation of the second of second aspect, in the implementation that the third is possible, described equipment also comprises:
Second selection unit, for selecting the location communication device of each anchor point of described road in predetermined period, described location communication device refers to the set of cells of this anchor point and the highest communication facilities of Active Set community registration;
Updating block, for selecting the target Active Set community of this anchor point in the Active Set community of the location communication device from each anchor point, and be the set of cells of this anchor point by this target Active Set cell update, described target Active Set community refers to the Active Set community that in all activated collection community of the location communication device of this anchor point, probability of occurrence is the highest.
The implementation possible in conjunction with the second of second aspect or second aspect or the possible implementation of the second of second aspect, in the 4th kind of possible implementation, described acquiring unit is also for obtaining the Active Set community of multiple time points of each described target communication device;
Described first selection unit also for selecting the target localization point of each described target communication device at each described time point from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device of this time point;
Described monitoring unit is also for calculating the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, described target road section is the section between two described target localization points; And/or the position residing in described road according at least one target communication device described, calculates the quantity of vehicle in each section in described road.
In conjunction with the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation, described monitoring unit also for selecting the first communication facilities that target localization point is continuous print anchor point in position in described road from least one target communication device described, and calculate the target road section translational speed of described first communication facilities in described road, and using the speed of described translational speed as vehicle traveling in described target road section.
In technique scheme, obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle; The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; The set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device; According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.Communication facilities and community are all existing, so do not need additionally to increase cost, and can there is communication facilities in current each vehicle, so just can monitor each vehicle, thus can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet monitoring vehicle flow method that the embodiment of the present invention provides;
Fig. 2 is a kind of schematic flow sheet monitoring vehicle flow method that the embodiment of the present invention provides;
Fig. 3 is the schematic diagram of a kind of optional community subpoint that the embodiment of the present invention provides;
Fig. 4 is a kind of structural representation monitoring vehicle flow equipment that the embodiment of the present invention provides;
Fig. 5 is the structural representation of the another kind monitoring vehicle flow equipment that the embodiment of the present invention provides;
Fig. 6 is the structural representation of the another kind monitoring vehicle flow equipment that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is a kind of schematic flow sheet monitoring vehicle flow method that the embodiment of the present invention provides, and as shown in Figure 1, comprising:
101, obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
102, from the anchor point of road, select the target localization point of each described target communication device, and using described target localization point as the position residing in described road of this target communication device; Wherein, the set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device;
103 according to the monitoring position residing in described road of at least one target communication device described the flow of road.
Optionally, above-mentioned target communication device can be mobile communication equipment, such as: mobile phone, panel computer, notebook etc.It can also be the communication facilities be fixed on vehicle.
Optionally, above-mentioned road can be one or more road.
Optionally, the flow monitoring described road can comprise:
Monitor quantity and the state (such as: the speed etc. of traveling) of vehicle on road.
Optionally, the embodiment of the present invention can be applied to arbitrary equipment for monitoring vehicle flow.
In technique scheme, obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle; The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; Described target localization point is the anchor point that the Active Set community registration of the set of cells of anchor point and this target communication device is the highest; According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.Communication facilities and community are all existing, so do not need additionally to increase cost, and can there is communication facilities in current each vehicle, so just can monitor each vehicle, thus can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
Fig. 2 is the schematic flow sheet of the another kind monitoring vehicle flow method that the embodiment of the present invention provides, and as shown in Figure 2, comprising:
201, calculate the coordinate figure of the subpoint on described road, described subpoint refer to preassigned base station to described road generic line described in location point on road.
Optionally, above-mentioned preassigned base station can be arbitrary base station in communication system, and is not construed as limiting the quantity of base station.Above-mentioned generic line can be the straight path that road is arrived in base station, and this straight path is vertical with road.
Optionally, if the position of base station is < (x
1, y
1) position of >, road i is <road
i, (x
2, y
2), (x
3, y
3), β >, then the straight-line equation of road i can be expressed as
if base station is (x to the coordinate of the subpoint of the bee-line of road
4, y
4), then meet:
The coordinate figure of the subpoint of base station on road can be obtained according to above formula.
As the optional embodiment of one, step 201 can comprise:
Calculate preassigned base station to described road generic line described in the coordinate figure of location point on road;
Select from described preassigned base station meet pre-conditioned base station to described road generic line described in location point on road as the subpoint of described road;
Wherein, describedly pre-conditionedly the greatest irradiation radius of this base station is greater than or equal to the bee-line of described road for base station.
Optionally, as shown in Figure 3, road comprises R1, R2, R3, R4 and R5, and base station comprises A, B, C, D, E, F and G, is described for base station A, and so just can calculate the subpoint of base station A respectively in above-mentioned road is A
11, A
22, A
33, A
14, A
15, base station A is respectively δ to the distance of each subpoint
1, δ
2, δ
3, δ
4, δ
5, (x
1, y
1), (x
2, y
2), (x
3, y
3), (x
4, y
4), (x
5, y
5) be respectively the subpoint coordinate of base station A on each bar road.If δ
5>r, r are the greatest irradiation radius of base station A, then remove this subpoint A
15, the subpoint of base station A on above-mentioned road just can export:
<cell
1,1,road
1,(x
1,y
1)>，<cell
1,4,road
4,(x
4,y
4)>，<cell
2,2,road
2,(x
2,y
2)>，<cell
3,3,road
3,(x
3,y
3)>
Wherein, base station A comprises community 1, community 2 and the above-mentioned cell in community 3
1,1represent the cell coverage area of community 1 on road R1 that base station A comprises, above-mentioned cell
isosorbide-5-Nitraerepresent the cell coverage area of community 1 on road R4 that base station A comprises.
202, calculate the average coordinates value of the subpoint in each section in described road, and using the anchor point of the location point of described average coordinates value as this section, described average coordinates value is the mean value of the coordinate figure of all subpoints in this section.
Optionally, for every bar road, setting position aimed at precision is p, with the some impact points on road for starting point is set to R
st, with precision p for step-length, namely this step-length is interpreted as above-mentioned section, adds up from the set to starting point to the subpoint in (namely in above-mentioned section) within the scope of step-length, namely adds up (R
st, R
st+ p) set of inner projection point, if this set is I
cell, wherein the coordinate of each subpoint is (x
i, y
i).Determine that the anchor point in this section is the center R of all subpoints in this section
lif the coordinate at this center is (R
lx, R
ly), i.e. the coordinate figure of this section anchor point, then meet:
Wherein, n is the number of element in set, i.e. the number of this section subpoint.
203, using the set of cells of the set of community corresponding for all subpoints in each section as this section anchor point, the community that described subpoint is corresponding refer to comprise from the base station that described subpoint is nearest and cover the community of described subpoint.
Optionally, the community obtaining subpoint corresponding can obtain in the following way:
The position angle of calculation base station and subpoint line, is assumed to be γ; The community cell that this base station comprises
1, cell
2, cell
3position angle be respectively α, α+120, α+240;
Judge the relation of this angle γ and α;
As α-120≤γ≤α, then determine cell
1for the community that this subpoint is corresponding;
As α≤γ≤α+120, then determine cell
2for the community that this subpoint is corresponding;
As α+120≤γ≤α+240, then determine cell
3for the community that this subpoint is corresponding.
Optionally, the information of subpoint can be < community, road, and the formatted output of (x4, y4) >, as determined cell
1for the community that this subpoint is corresponding, road is road
i, then <cell can be exported
1, i, road
i, (x
4, y
4) >.
Optionally, after step 203, described method also comprises:
Set up anchor point and the community mapping relations on road.Can shown in referential expression.
Table 1
| Anchor point | Set of cells |
| R l1 | cell 1，cell 2，cell 3 |
| R l2 | cell 4，cell 5，cell 6 |
| R l3 | cell 7，cell 8，cell 9 |
That is, R is located
l1with cell
1, cell
2, cell
3be based upon the mapping relations on road, R
l2and R
l3do not do peaceful repeat specification.
It should be noted that, above-mentioned steps 201 to step 203 can perform in advance, in real time during monitoring road vehicle, directly performs just passable from step 204.
204, obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle.
As the optional embodiment of one, step 204 can comprise:
The Active Set cell information of at least one target communication device is extracted, to get the Active Set community of at least one target communication device described from wireless network daily record.
Optionally, above-mentioned Active Set community refers to the set of the community connected with target communication device platform, or target communication device can receive the set of the community of signal.
205, from the anchor point of road, select the target localization point of each described target communication device, and using described target localization point as the position residing in described road of this target communication device; Wherein, the set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device;
Optionally, the target localization point selecting each described target communication device from the anchor point of road can be selected in the following way:
For a communication facilities, the registration by the set of cells of each anchor point in the Active Set community of following formulae discovery target communication device and above-mentioned road:
Wherein, sim is the registration of the Active Set community of target communication device and the set of cells of anchor point, A
u, cellfor the Active Set community of target communication device, I
cellfor the set of cells of some anchor points;
Like this by repeatedly calculating, namely the Active Set community of a target communication device and the set of cells of multiple anchor point calculate, and just can calculate the target localization point of this target communication device.Just can calculate the target localization point of at least one target communication device above-mentioned more by the way.
206, the flow of road according to the monitoring position residing in described road of at least one target communication device described.
Optionally, above-mentioned monitoring can comprise:
Monitor the condition of road surface such as the travel speed of the vehicle on the quantity of the vehicle on road, monitoring road.
As the optional embodiment of one, step 204 can comprise:
Obtain the Active Set community of multiple time points of each described target communication device;
Step 205 can comprise:
The target localization point of each described target communication device at each described time point is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device of this time point;
Step 206 can comprise:
Calculate the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, described target road section is the section between two described target localization points; And/or
The position residing in described road according at least one target communication device described, calculates the quantity of vehicle in each section in described road.
Optionally, such as above-mentioned target road section is anchor point R
1and R
2between section, just can by being anchor point R at target localization point at least one target communication device above-mentioned
1and R
2time difference of time point, so just can pass through R
1and R
2between the distance in section divided by being anchor point R at target localization point at least one target communication device
1and R
2time difference of time point, to obtain stating at least one target communication device in target road section translational speed.
Certainly, can also calculate each communication facilities at least one target communication device above-mentioned here, in the translational speed of above-mentioned target road section, may each target communication device be specifically anchor point R at target localization point
1and R
2time difference of time point, and the distance of target road section, calculates the translational speed of each target communication device in target road section.
Optionally, above-mentionedly calculate the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, can comprise:
The first communication facilities that target localization point is continuous print anchor point in position in described road is selected from least one target communication device described;
Calculate the target road section translational speed of described first communication facilities in described road, and using the speed of described translational speed as vehicle traveling in described target road section.
Above-mentioned target localization point is that the first communication facilities of continuous print anchor point in position in road can refer to, is the first communication facilities of continuous print anchor point in position in road at time point continuous print target localization point, such as, and two continuous print time point t
1, t
2, and communication facilities U
1at time point t
1, t
2target localization point be R
1and R
2, and anchor point R
1and R
2for the anchor point that two positions in above-mentioned road connect, so just communication facilities U can be determined
1it is the first communication facilities.Namely above-mentioned first communication facilities is the communication facilities that the vehicle that always travels in above-mentioned road in certain time period (namely need to calculate on road when vehicle translational speed) comprises.
Optionally, the above-mentioned quantity calculating vehicle in each section in described road, can pass through the quantity of the communication facilities residing for anchor point comprised in each section, obtain the quantity of vehicle in each section.
Optionally, below with time point t
1, t
2, t
3, t
4, t
5, and communication facilities U
1, U
2for example is illustrated, wherein, communication facilities U
1, U
2at time point t
1, t
2, t
3, t
4, t
5target localization point as shown in table 2:
Table 2:
| User | Time | Active Set community | Anchor point set of cells | Registration | Anchor point |
| U 1 | t 1 | cell 1，cell 2，cell 3 | cell 1，cell 2，cell 3 | 1 | R 1 |
| U 1 | t 2 | cell 2，cell 3，cell 4，cell 5 | cell 2，cell 3，cell 4 | 0.75 | R 2 |
| U 2 | t 3 | cell 6，cell 7，cell 8 | cell 7，cell 8 | 0.67 | R 3 |
| U 2 | t 4 | cell 8，cell 9 | cell 7，cell 8，cell 9 | 0.67 | R 4 |
| U 2 | t 5 | cell 8，cell 9，cell 10，cell 11 | cell 8，cell 9，cell 10 | 0.75 | R 5 |
As above shown in table 2, if communication facilities U
1, U
2active Set community on the Active Set community of different time is in table, by set of cells and the communication facilities U of compute location point
1, U
2at the registration of the Active Set community of different time, select set of cells and the communication facilities U of anchor point
1, U
2be the target localization point of this target communication device at this time point at the anchor point of the maximal degree of coincidence of the Active Set community of different time, namely obtain communication facilities U
1at t
1, t
2target localization point be respectively R
1and R
2, i.e. communication facilities U
1at t
1, t
2the residing of time point is respectively R for position
1and R
2; Obtain communication facilities U
2at t
3, t
4, t
5target localization point be respectively R
3, R
4and R
5, i.e. communication facilities U
2at t
3, t
4, t
5the residing of time point is respectively R for position
3, R
4and R
5.
Optionally, suppose that above-mentioned communication facilities is at time series t
1t
ithe translational speed of inherent above-mentioned road is respectively v
1v
i, and the datum velocity of the magnitude of traffic flow of this road is v
0, then v is worked as
i>=v
0time, the datum velocity of the magnitude of traffic flow of road can be adjusted to v
i.In addition, can according to the traffic behavior dynamic conditioning v of road
0.
Optionally, described method can also comprise:
For a certain section, current at n
uthe target localization point of individual target communication device in this section, according to the movement speed v of these target communication device in time series and the datum velocity v in this section
0, determine the traffic of current road segment.If n
un is had in individual communication facilities in a front k time point
athe speed of individual communication facilities meets v>=v
0, and this n
aindividual target communication device meets v<v at the average velocity in this section
0, then can determine that the current traffic behavior in this section is not good.
As the optional embodiment of one, described method can also periodically update the set of cells of each anchor point in above-mentioned road.Namely described method is after step 203, can also comprise:
Select the location communication device of each anchor point of described road in predetermined period, described location communication device refers to the set of cells of this anchor point and the highest communication facilities of Active Set community registration;
The target Active Set community of this anchor point is selected from the Active Set community of the location communication device of each anchor point, and be the set of cells of this anchor point by this target Active Set cell update, described target Active Set community refers to the Active Set community that in all activated collection community of the location communication device of this anchor point, probability of occurrence is the highest.
Optionally, in the embodiment of the present invention, step 201, step 202 and step 203 can perform in advance, and the regioselective communication facilities in this embodiment can be periodic execution with the step of the set of cells upgrading anchor point, such as, within one day, perform once, and step 204, step 205 and step 206 can be real-time execution, also can be to perform according to certain some cycles or fixed time point.Namely step step 204 can perform regioselective communication facilities and upgrade anchor point set of cells step before, also can be afterwards.
Optionally, for some anchor point R
1, select anchor point R
1the quantity of the location communication device in predetermined period is 100, but these 100 communication facilitiess are anchor point R at target localization point in practice
1time the community that comprises, Active Set community may there is difference, such as, communication facilities U
1with communication facilities U
2be anchor point R at target localization point
1time the community that comprises, Active Set community be respectively cell
1, cell
2, cell
3and cell
1, cell
2, cell
3, cell
4, and be anchor point R at target localization point in these 100 communication facilitiess
1time the community that comprises, Active Set community be cell
1, cell
2, cell
3, cell
4probability the highest time, such as 80%, so just can by cell
1, cell
2, cell
3, cell
4for making anchor point R
1target Active Set community, then be anchor point R by this target Active Set cell update
1set of cells.
In technique scheme, above embodiment basis on add the multiple embodiment realizing monitoring vehicle flow, and can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
Be apparatus of the present invention embodiment below, the method that apparatus of the present invention embodiment realizes for performing the inventive method embodiment one to two, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, concrete ins and outs do not disclose, and please refer to the embodiment of the present invention one and embodiment two.
Fig. 4 is a kind of structural representation monitoring vehicle flow equipment that the embodiment of the present invention provides, and as shown in Figure 4, comprising: acquiring unit 31, first selection unit 32 and monitoring unit 33, wherein:
Acquiring unit 31, for obtaining the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
First selection unit 32, for selecting the target localization point of each described target communication device, and using described target localization point as the position residing in described road of this target communication device from the anchor point of road; Wherein, the set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device;
Monitoring unit 33, for the flow of road according to the monitoring position residing in described road of at least one target communication device described.
Optionally, above-mentioned target communication device can be mobile communication equipment, such as: mobile phone, panel computer, notebook etc.It can also be the communication facilities be fixed on vehicle.
Optionally, above-mentioned road can be one or more road.
Optionally, the flow monitoring described road can comprise:
Monitor quantity and the state (such as: the speed etc. of traveling) of vehicle on road.
Optionally, the embodiment of the present invention can be applied to arbitrary equipment for monitoring vehicle flow.
In technique scheme, obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle; The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; Described target localization point is the anchor point that the Active Set community registration of the set of cells of anchor point and this target communication device is the highest; According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.Communication facilities and community are all existing, so do not need additionally to increase cost, and can there is communication facilities in current each vehicle, so just can monitor each vehicle, thus can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
Fig. 5 is the structural representation of the another kind monitoring vehicle flow equipment that the embodiment of the present invention provides, as shown in Figure 5, comprise: the first computing unit 41, second computing unit 42, determining unit 43, acquiring unit 44, first selection unit 45 and monitoring unit 46, wherein:
First computing unit 41, for calculating the coordinate figure of the subpoint on described road, described subpoint refer to preassigned base station to described road generic line described in location point on road.
Optionally, above-mentioned preassigned base station can be arbitrary base station in communication system, and is not construed as limiting the quantity of base station.
Optionally, first computing unit 41 can also for calculate preassigned base station to described road generic line described in the coordinate figure of location point on road, and select from described preassigned base station meet pre-conditioned base station to described road generic line described in location point on road as the subpoint of described road;
Wherein, describedly pre-conditionedly the greatest irradiation radius of this base station is greater than or equal to the bee-line of described road for base station.
Second computing unit 42, for calculating the average coordinates value of the subpoint in each section in described road, and using the anchor point of the location point of described average coordinates value as this section, described average coordinates value is the mean value of the coordinate figure of all subpoints in this section.
Determining unit 43, for the set of community corresponding to all subpoints using each section as the set of cells of this section anchor point, the community that described subpoint is corresponding refer to comprise from the base station that described subpoint is nearest and cover the community of described subpoint.
Acquiring unit 44, for obtaining the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle.
As the optional embodiment of one, acquiring unit 44 can also be used for the Active Set cell information extracting at least one target communication device from wireless network daily record, to get the Active Set community of at least one target communication device described.
First selection unit 45, for selecting the target localization point of each described target communication device, and using described target localization point as the position residing in described road of this target communication device from the anchor point of road; Wherein, the set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device.
Monitoring unit 46, for the flow of road according to the monitoring position residing in described road of at least one target communication device described.
Optionally, above-mentioned monitoring can comprise:
Monitor the condition of road surface such as the travel speed of the vehicle on the quantity of the vehicle on road, monitoring road.
As the optional embodiment of one, acquiring unit 44 can also be used for the Active Set community of the multiple time points obtaining each described target communication device;
First selection unit 45 can also be used for from the anchor point of road, select the target localization point of each described target communication device at each described time point, and using described target localization point as the position residing in described road of this target communication device of this time point;
Monitoring unit 46 can also be used for calculating the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, described target road section is the section between two described target localization points; And/or the position residing in described road according at least one target communication device described, calculates the quantity of vehicle in each section in described road.
Optionally, monitoring unit 46 can also be used for from least one target communication device described, select the first communication facilities that target localization point is continuous print anchor point in position in described road; And calculate the target road section translational speed of described first communication facilities in described road, and using the speed of described translational speed as vehicle traveling in described target road section.
As the optional embodiment of one, described equipment can also comprise:
Second selection unit (attached not shown in FIG.), for selecting the location communication device of each anchor point of described road in predetermined period, described location communication device refers to the set of cells of this anchor point and the highest communication facilities of Active Set community registration;
Updating block (attached not shown in FIG.), for selecting the target Active Set community of this anchor point in the Active Set community of the location communication device from each anchor point, and be the set of cells of this anchor point by this target Active Set cell update, described target Active Set community refers to the Active Set community that in all activated collection community of the location communication device of this anchor point, probability of occurrence is the highest.
In technique scheme, above embodiment basis on add the multiple embodiment realizing monitoring vehicle flow, and can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
Fig. 6 is the structural representation of the another kind monitoring vehicle flow equipment that the embodiment of the present invention provides, as shown in Figure 6, comprise: storer 51, and with store the processor 52 that is connected, storer 51 is for storing batch processing code, and processor 52 performs following operation for the program calling storer 51 storage:
Obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; Wherein, the set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device;
According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.
Optionally, above-mentioned communication facilities can be mobile communication equipment, such as: mobile phone, panel computer, notebook etc.It can also be the communication facilities be fixed on vehicle.
Optionally, above-mentioned road can be one or more road.
Optionally, the flow monitoring described road can comprise:
Monitor quantity and the state (such as: the speed etc. of traveling) of vehicle on road.
In another optional embodiment, processor 52 can also be used for performing following operation:
Calculate the coordinate figure of the subpoint on described road, described subpoint refer to preassigned base station to described road generic line described in location point on road;
Calculate the average coordinates value of the subpoint in each section in described road, and using the anchor point of the location point of described average coordinates value as this section, described average coordinates value is the mean value of the coordinate figure of all subpoints in this section;
Using the set of cells of the set of community corresponding for all subpoints in each section as this section anchor point, the community that described subpoint is corresponding refer to comprise from the base station that described subpoint is nearest and cover the community of described subpoint;
Obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; Wherein, the set of cells of described target localization point and the highest anchor point of the Active Set community registration of this target communication device;
According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.
As the optional embodiment of one, the operation of the coordinate figure of the subpoint on the described road of calculating that processor 52 performs can comprise:
Calculate preassigned base station to described road generic line described in the coordinate figure of location point on road;
Select from described preassigned base station meet pre-conditioned base station to described road generic line described in location point on road as the subpoint of described road;
Wherein, describedly pre-conditionedly the greatest irradiation radius of this base station is greater than or equal to the bee-line of described road for base station.
As the optional embodiment of one, the operation of the Active Set community of at least one target communication device of acquisition that processor 52 performs can comprise:
The Active Set cell information of at least one target communication device is extracted, to get the Active Set community of at least one target communication device described from wireless network daily record.
As the optional embodiment of one, the operation of the Active Set community of at least one target communication device of acquisition that processor 52 performs can comprise:
Obtain the Active Set community of multiple time points of each described target communication device;
The target localization point selecting each described target communication device from the anchor point of road that processor 52 performs, and the operation of described target localization point as the position residing in described road of this target communication device can be comprised:
The target localization point of each described target communication device at each described time point is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device of this time point;
The operation of the flow of road described in the monitoring position residing in described road according at least one target communication device described that processor 52 performs can comprise:
Calculate the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, described target road section is the section between two described target localization points; And/or
The position residing in described road according at least one target communication device described, calculates the quantity of vehicle in each section in described road.
Optionally, what processor 52 performed calculates the target road section translational speed of at least one communication described in described road, and using the speed that described translational speed travels as vehicle in described target road section, can comprise:
The first communication facilities that target localization point is continuous print anchor point in position in described road is selected from least one target communication device described;
Calculate the target road section translational speed of described first communication facilities in described road, and using the speed of described translational speed as vehicle traveling in described target road section.
As the optional embodiment of one, processor 52 perform using the set of community corresponding for all subpoints in each section as the set of cells of this section anchor point operation after, can also be used for performing following operation:
Select the location communication device of each anchor point of described road in predetermined period, described location communication device refers to the set of cells of this anchor point and the highest communication facilities of Active Set community registration;
The target Active Set community of this anchor point is selected from the Active Set community of the location communication device of each anchor point, and be the set of cells of this anchor point by this target Active Set cell update, described target Active Set community refers to the Active Set community that in all activated collection community of the location communication device of this anchor point, probability of occurrence is the highest.
In technique scheme, obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle; The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; Described target localization point is the anchor point that the Active Set community registration of the set of cells of anchor point and this target communication device is the highest; According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.Communication facilities and community are all existing, so do not need additionally to increase cost, and can there is communication facilities in current each vehicle, so just can monitor each vehicle, thus can low cost, highly accurately realize the traffic monitoring of intelligent transportation.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random access memory (Random Access Memory is called for short RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (12)
1. monitor a vehicle flow method, it is characterized in that, comprising:
Obtain the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
The target localization point of each described target communication device is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device; Wherein, the set of cells of described target localization point and the Active Set community registration of this target communication device the highest;
According to the flow of road described in the monitoring position that at least one target communication device described is residing in described road.
2. the method for claim 1, it is characterized in that, the described target localization point selecting each described target communication device from the anchor point of road, and using described target localization point as before the position that this target communication device is residing in described road, described method also comprises:
Calculate the coordinate figure of the subpoint on described road, described subpoint refer to preassigned base station to described road generic line described in location point on road;
Calculate the average coordinates value of the subpoint in each section in described road, and using the anchor point of the location point of described average coordinates value as this section, described average coordinates value is the mean value of the coordinate figure of all subpoints in this section;
Using the set of cells of the set of community corresponding for all subpoints in each section as this section anchor point, the community that described subpoint is corresponding refer to comprise from the base station that described subpoint is nearest and cover the community of described subpoint.
3. method as claimed in claim 2, it is characterized in that, the coordinate figure of the subpoint on the described road of described calculating comprises:
Calculate preassigned base station to described road generic line described in the coordinate figure of location point on road;
Select from described preassigned base station meet pre-conditioned base station to described road generic line described in location point on road as the subpoint of described road;
Wherein, describedly pre-conditionedly the greatest irradiation radius of this base station is less than or equal to the bee-line of described road for base station.
4. as claimed in claim 2 or claim 3 method, is characterized in that, described using the set of community corresponding for all subpoints in each section as this section anchor point set of cells after, described method also comprises:
Select the location communication device of each anchor point of described road in predetermined period, described location communication device refers to the set of cells of this anchor point and the highest communication facilities of Active Set community registration;
The target Active Set community of this anchor point is selected from the Active Set community of the location communication device of each anchor point, and be the set of cells of this anchor point by this target Active Set cell update, described target Active Set community refers to the Active Set community that in all activated collection community of the location communication device of this anchor point, probability of occurrence is the highest.
5. the method according to any one of claim 1-3, is characterized in that, the Active Set community of described at least one target communication device of acquisition, comprising:
Obtain the Active Set community of multiple time points of each described target communication device;
The described target localization point selecting each described target communication device from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device, comprising:
The target localization point of each described target communication device at each described time point is selected from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device of this time point;
The flow of road described in the monitoring position that at least one target communication device described in described basis is residing in described road, comprising:
Calculate the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, described target road section is the section between two described target localization points; And/or
The position residing in described road according at least one target communication device described, calculates the quantity of vehicle in each section in described road.
6. method as claimed in claim 5, is characterized in that, described in calculate at least one communication described target road section translational speed in described road, and using the speed that described translational speed travels as vehicle in described target road section, to comprise:
The first communication facilities that target localization point is continuous print anchor point in position in described road is selected from least one target communication device described;
Calculate the target road section translational speed of described first communication facilities in described road, and using the speed of described translational speed as vehicle traveling in described target road section.
7. monitor a vehicle flow equipment, it is characterized in that, comprising: acquiring unit, the first selection unit and monitoring unit, wherein:
Described acquiring unit, for obtaining the Active Set community of at least one target communication device, described target communication device is the communication facilities being positioned at vehicle;
Described first selection unit, for selecting the target localization point of each described target communication device, and using described target localization point as the position residing in described road of this target communication device from the anchor point of road; Wherein, the set of cells of described target localization point and the Active Set community registration of this target communication device the highest;
Described monitoring unit, for the flow of road according to the monitoring position residing in described road of at least one target communication device described.
8. equipment as claimed in claim 7, it is characterized in that, described equipment also comprises:
First computing unit, for calculating the coordinate figure of the subpoint on described road, described subpoint refer to preassigned base station to described road generic line described in location point on road;
Second computing unit, for calculating the average coordinates value of the subpoint in each section in described road, and using the anchor point of the location point of described average coordinates value as this section, described average coordinates value is the mean value of the coordinate figure of all subpoints in this section;
Determining unit, for the set of community corresponding to all subpoints using each section as the set of cells of this section anchor point, the community that described subpoint is corresponding refer to comprise from the base station that described subpoint is nearest and cover the community of described subpoint.
9. equipment as claimed in claim 8, it is characterized in that, described first computing unit also for calculate preassigned base station to described road generic line described in the coordinate figure of location point on road, and select from described preassigned base station meet pre-conditioned base station to described road generic line described in location point on road as the subpoint of described road;
Wherein, describedly pre-conditionedly the greatest irradiation radius of this base station is less than or equal to the bee-line of described road for base station.
10. equipment as claimed in claim 8 or 9, it is characterized in that, described equipment also comprises:
Second selection unit, for selecting the location communication device of each anchor point of described road in predetermined period, described location communication device refers to the set of cells of this anchor point and the highest communication facilities of Active Set community registration;
Updating block, for selecting the target Active Set community of this anchor point in the Active Set community of the location communication device from each anchor point, and be the set of cells of this anchor point by this target Active Set cell update, described target Active Set community refers to the Active Set community that in all activated collection community of the location communication device of this anchor point, probability of occurrence is the highest.
11. equipment as claimed in any one of claims 7-9, is characterized in that, described acquiring unit is also for obtaining the Active Set community of multiple time points of each described target communication device;
Described first selection unit also for selecting the target localization point of each described target communication device at each described time point from the anchor point of road, and using described target localization point as the position residing in described road of this target communication device of this time point;
Described monitoring unit is also for calculating the described target road section translational speed of at least one target communication device in described road, and using the speed that described translational speed travels as vehicle in described target road section, described target road section is the section between two described target localization points; And/or the position residing in described road according at least one target communication device described, calculates the quantity of vehicle in each section in described road.
12. equipment as claimed in claim 11, it is characterized in that, described monitoring unit also for selecting the first communication facilities that target localization point is continuous print anchor point in position in described road from least one target communication device described, and calculate the target road section translational speed of described first communication facilities in described road, and using the speed of described translational speed as vehicle traveling in described target road section.
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| CN201310081200.XA CN103208189B (en) | 2013-03-14 | 2013-03-14 | A kind of monitoring vehicle flow method and apparatus |
| PCT/CN2014/073082 WO2014139377A1 (en) | 2013-03-14 | 2014-03-07 | Method and device for monitoring road flow |
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| CN104837116B (en) * | 2015-05-11 | 2019-06-11 | 广州杰赛科技股份有限公司 | User's trip data detection method and system |
| CN111669784B (en) * | 2019-03-07 | 2023-04-07 | 成都鼎桥通信技术有限公司 | Method, device and storage medium for monitoring base station flow |
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