CN108198435A - A kind of measuring method and device - Google Patents
A kind of measuring method and device Download PDFInfo
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- CN108198435A CN108198435A CN201710726513.4A CN201710726513A CN108198435A CN 108198435 A CN108198435 A CN 108198435A CN 201710726513 A CN201710726513 A CN 201710726513A CN 108198435 A CN108198435 A CN 108198435A
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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
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
- G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles
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Abstract
The embodiment of the invention discloses a kind of measuring methods, obtain the first measurement data when default at least two wireless access points AP of section receives at least one terminal request information, wherein, first measurement data includes：Terminal iidentification, the location information of at least two AP and at least two AP receive temporal information during at least one terminal request information；Speed of at least one terminal in the default section is obtained after being handled according to preset rules first measurement data.The embodiment of the invention also discloses a kind of measuring devices.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of measuring method and devices.
Background technology
Urban road and highway all have road condition monitoring function at present, and main technology to be used is velocity radar and area
Between camera.Velocity radar technology is typically to be erected at portal frame, tunnel face, the dress of taking pictures that tests the speed below crossings on different level bridge
Put, also it is many it is hidden be fixed on the photographing device that tests the speed of some location points, furthermore be just moveable flowing speed measuring device,
Such as police car, radar laser test the speed rifle etc..Section velocity measuring technique is typically on totally-enclosed road, selects one section of test zone
(before A-B), by calculating vehicle by the A-B point times to determine whether hypervelocity.Ground buried coil velocity measuring technique ground buried coil senses
Item it is vertical with garage direction and between distance it is certain, using the time difference by two buried induction strips come calculate car when
Speed, hypervelocity carry out evidence obtaining of taking pictures.
However, the cost of every radar equipment of radar velocity measurement, at 10,000 yuan or so, test the speed each vehicle of camera needs in section
Road is all set, and speed measuring and monitoring point cost in section is more than tens of thousands of members, and therefore, cost is excessively high；Ground buried coil tests the speed to be buried on ground
Induction coil it is great in constructing amount, road surface needs circle of sunkening cord again if change, and in addition high latitude thaws phase and low latitudes summer road
Face and the bad place of pavement quality are all huge to the maintenance work of coil.
Invention content
To solve existing technical problem, the embodiment of the present invention provides a kind of measuring method and device, needs to measure
Resource is few, reduces cost.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is realized in：
The embodiment of the present invention provides a kind of measuring method, the method includes：
Obtain first when default at least two wireless access points AP of section receives at least one terminal request information
Measurement data, wherein, first measurement data includes：Terminal iidentification, the location information of at least two AP and at least two
AP receives temporal information during at least one terminal request information；
At least one terminal is obtained after being handled according to preset rules first measurement data described pre-
If the speed in section.
Further, it is described the measurement data is handled according to preset rules after obtain at least one terminal
Speed in the default section, including：
It is the to determine that the number of terminal iidentification identical in first measurement data is more than the measurement data of default value
Two measurement data, second measurement data include：Terminal iidentification, the location information of at least two AP and at least two AP connect
Temporal information during at least one terminal request information is received, wherein, the default value is the natural number more than or equal to 2；
At least one end is received according to the location information of at least two AP in second measurement data and at least two AP
Temporal information during solicited message is held, determines speed of at least one terminal in the default section.
Further, it is described first measurement data is handled according to preset rules after obtain described at least one
A terminal further includes after the speed in the default section：
Speed of at least one terminal in the default section is analyzed, obtains the road conditions in the default section
Information.
Further, according to the location information of at least two AP and at least two AP in second measurement data receive to
Temporal information during few terminal request information, determines that any one terminal is in the default section at least one terminal
Speed, including：
Displacement distance is determined according to first position information, the first position information is first in second measurement data
The location information of corresponding at least two AP of terminal iidentification, the first terminal are identified as any one end at least one terminal
Hold corresponding terminal iidentification；
The displacement distance corresponding time, institute are determined according to first time information corresponding with the first position information
Temporal information when first time information receives first terminal solicited message at least two AP in second measurement data is stated,
The first terminal solicited message is the solicited message that first terminal is sent, and the corresponding terminal iidentification of the first terminal is first
Terminal iidentification；
Determine the first terminal on the default road according to the displacement distance and the displacement distance corresponding time
The speed of section.
Further, first when default at least two AP of section of the acquisition receives at least one terminal request information
Before measurement data, further include：
It receives road conditions and measures request, the road conditions measure the information that request carries default section.
The embodiment of the present invention provides a kind of measuring device, and described device includes：Acquiring unit, processing unit, wherein,
The acquiring unit, for obtaining the when default at least two AP of section receives at least one terminal request information
One measurement data, wherein, first measurement data includes：Terminal iidentification, the location information of at least two AP and at least two
A AP receives temporal information during at least one terminal request information；
The processing unit, for obtain after being handled according to preset rules first measurement data it is described at least
One terminal is in the speed in the default section.
Further, described device further includes：Determination unit, for determining terminal identical in first measurement data
The measurement data that the number of mark is more than default value is the second measurement data, and second measurement data includes：Terminal iidentification,
The location information of at least two AP and at least two AP receive temporal information during at least one terminal request information；It is additionally operable to
At least one terminal request letter is received according to the location information of at least two AP in second measurement data and at least two AP
Temporal information during breath determines speed of at least one terminal in the default section, wherein, the default value to be more than or
Person is equal to 2 natural number.
Further, the processing unit, be additionally operable to at least one terminal the default section speed into
Row analysis obtains the traffic information in the default section.
Further, the determination unit is additionally operable to determine displacement distance, the first position according to first position information
Information identifies the location information of corresponding at least two AP, the first terminal mark for first terminal in second measurement data
Know for the corresponding terminal iidentification of any one terminal at least one terminal；It is additionally operable to according to corresponding with the first position information
First time information determine the displacement distance corresponding time, the first time information is in second measurement data
At least two AP receive temporal information during first terminal solicited message, and the first terminal solicited message is sent for first terminal
Solicited message, the corresponding terminal iidentification of the first terminal is first terminal mark；
The processing unit is additionally operable to determine described according to the displacement distance and the displacement distance corresponding time
One terminal is in the speed in the default section.
Further, described device further includes receiving unit, measures request for obtaining road conditions, the road conditions measure request
Carry the information in default section.
An embodiment of the present invention provides a kind of measuring method and devices, obtain default at least two AP of section and receive at least one
The first measurement data during a terminal request information, wherein, first measurement data includes：Terminal iidentification, at least two AP
Location information and at least two AP receive at least one terminal request information when temporal information；According to preset rules to institute
State the speed that at least one terminal is obtained after the first measurement data is handled in the default section.The embodiment of the present invention
The measuring method and device of offer, can be with each sub- section in statistical measurement section on the basis of not needing to carry out transformation greatly
Vehicle speed condition, accurately report traffic information, reduce cost.
Description of the drawings
In attached drawing (it is not necessarily drawn to scale), similar reference numeral phase described in different views
As component.Similar reference numerals with different letter suffix can represent the different examples of similar component.Attached drawing with example and
Unrestricted mode generally shows each embodiment discussed herein.
Fig. 1 is measuring method flow diagram provided in an embodiment of the present invention；
Fig. 2 is arrangement schematic diagram of the wifi scanning informations collection module provided in an embodiment of the present invention on road；
Fig. 3 shows for the relationship of wifi scanning informations collection module provided in an embodiment of the present invention and information management module
It is intended to；
Fig. 4 is transmission data schematic diagram provided in an embodiment of the present invention；
Fig. 5 is data processing schematic diagram provided in an embodiment of the present invention；
Fig. 6 is measuring device structure diagram one provided in an embodiment of the present invention；
Fig. 7 is measuring device structure diagram two provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
The embodiment of the present invention provides a kind of measuring method, as shown in Figure 1, this method can include：
Step 101 obtains at least one terminal request information of default at least two wireless access points AP of section receptions
When the first measurement data.
Wherein, first measurement data includes：Terminal iidentification, the location information of at least two AP and at least two AP
Receive temporal information during at least one terminal request information.
In the embodiment of the present invention, first when default at least two AP of section receives at least one terminal request information is obtained
Measurement data can be realized that is, it is at least one to obtain default at least two AP of section receptions for measuring device by measuring device
The first measurement data during terminal request information.
Specifically, default section can be understood as the section section for needing to measure road conditions, such as A places are between B places
Section section.
Here, terminal iidentification is specifically as follows media access control (MAC, the Media Access for sending terminal
Control) address receives the location information that mark is specifically as follows wifi scanning information collection modules, since location information is every
A wifi scanning informations collection module is fixed, so receiving the volume that mark can also be wifi scanning information collection modules
Number, so that data collection and processing module can find corresponding location information.
Wherein, MAC Address is referred to as physical address, hardware address, for defining the position of the network equipment.
The measuring device can include：Multiple wifi scanning informations collection modules, data collection and processing module.Wherein,
Wifi scanning information collection modules can be understood as wireless (AP, Access point) hot spot.
Passenger 99% in the automobile travelled in the road at present can carry smart mobile phone, and therein more than 20% can write from memory
Recognize and open wifi switches, it is possible to multiple wifi scanning informations collection modules be disposed to collect what is passed through on road on the both sides of road
The scanning signal scan beacon of wifi station in automobile.All there is wifi station equipment scan characteristic to find
AP hot spots, wifi station can be mobile phone in automobile, or the device of signal can be sent by being arranged on automobile.
The scan frequency of the scan beacon of wifi station second was differed from 6 seconds to 15, actively to neighbouring AP
Hot spot sends probe request signal probe request beacon, this beacon with carrying unique MAC of station
Location.
Wifi scanning information collection modules based on AP hot spots, can constantly receive from each wifi
The MAC Address of station, i.e. terminal iidentification.
As shown in Fig. 2, on the road for needing to perform monitoring road conditions, arrange that multiple wifi scanning informations collect hot spot mould
Block when the wifi station in vehicle initiate scan scannings, can be captured, AP hot spots by nearest AP hot spot modules
MAC Address and temporal information are sent to data collection and processing module after MAC Address is collected into.
As shown in 3 figures, the information being collected into is sent to data collection and processing by multiple wifi scanning informations collection modules
Module.The data type of transmission is as shown in figure 4, the MAC Address of terminal wifi station including being collected into, i.e. terminal mark
Know, the time, that is, receive the time of probe request signal, discounting for the time of signal transmission, which can also be eventually
End sends the time of probe request signal, the location information of AP hot spot modules receives mark.The wherein each AP heat of location information
Point module is fixed, so the number that mark can also be AP hot spot modules is received, so that data collection and processing module can
To find corresponding location information, it is subject to calculation processing after being collected into information, generates traffic information.
Step 102 obtains at least one terminal after being handled according to preset rules first measurement data
Speed in the default section.
Specifically, measuring device determines that the number of terminal iidentification identical in first measurement data is more than default value
Measurement data be the second measurement data；According to the location information and at least two of at least two AP in second measurement data
AP receives temporal information during at least one terminal request information, determines speed of at least one terminal in the default section,
Wherein, second measurement data includes：Terminal iidentification, the location information of at least two AP and at least two AP are received at least
Temporal information during one terminal request information, wherein, the default value is the natural number more than or equal to 2, in this way may be used
To calculate the movement speed of the corresponding terminal of the terminal iidentification according to the corresponding data of the terminal iidentification.
In a kind of possible realization method, according to the location information of at least two AP in second measurement data and at least
Two AP receive temporal information during at least one terminal request information, determine that any one terminal is in institute at least one terminal
The speed in default section is stated, including：
Displacement distance is determined according to first position information, the first position information is first in second measurement data
The location information of corresponding at least two AP of terminal iidentification, the first terminal are identified as any one end at least one terminal
Hold corresponding terminal iidentification；
The displacement distance corresponding time, institute are determined according to first time information corresponding with the first position information
Temporal information when first time information receives first terminal solicited message at least two AP in second measurement data is stated,
The first terminal solicited message is the solicited message that first terminal is sent, and the corresponding terminal iidentification of the first terminal is first
Terminal iidentification；
Determine the first terminal on the default road according to the displacement distance and the displacement distance corresponding time
The speed of section.
Further, it is described first measurement data is handled according to preset rules after obtain described at least one
A terminal further includes after the speed in the default section：
Speed of at least one terminal in the default section is analyzed, obtains the road conditions in the default section
Information.
Specifically, measuring device can be by the method for normal distribution to operating in end in default section whithin a period of time
The speed at end is analyzed, and the traffic information in the default section is obtained according to analysis result.
Measuring method provided in an embodiment of the present invention, can be with statistical measurement road on the basis of not needing to carry out transformation greatly
The vehicle speed condition in each sub- section, accurately reports traffic information, reduces cost in section.
Illustratively, it is assumed that the total distance in default section is 3000 meters, arranges 15 wifi scanning information collection modules,
It is evenly distributed in the range of 3000 meters from 1 to 15 according to number, average 200 meters of AP hot spot modules ensure that radiation length can
Connected with first place.Here, the cost of each hot spot module removes existing network and is laid with, altogether three kilometers of costs 2250 at 150 yuan
Member, therefore, consuming fund are fewer, and cost is reduced relative to the prior art.
For vehicle during by this section, total time is more than 3 times or more of the maximum scan interval of wifi scannings, than
Such as wifi sweep spacings 15 seconds, then 3000 meters can ensure that vehicle must can not be by (unless speed be more than in 45 seconds
237km/ hours).
As long as so have on vehicle wifi station open working condition, it is possible to be collected in this section three times with
Upper scan beacon, the data of acquisition can be collected by some hot spot module, and the data of collection are saved in database, data
It collects and the data being collected into is saved in database as shown in Figure 5 by processing module, terminal is determined according to the flow of Fig. 5
Movement speed, i.e. speed.
As shown in figure 5, data collection, i.e. data collection and processing module preserve the data being collected into database；Number
According to acquisition, that is, after receiving road conditions computation requests, all data of period for obtaining and needing to measure are traversed from database；Data meter
It calculates, i.e., the speed in each section section is calculated according to measurement data；Overall speed obtains each section section of each terminal
Speed, it is thus possible to carry out road condition analyzing.
Field in 1 database of table
| Data number | Mac addresses | Time | It numbers in section | Distance |
| 1 | 00:11:22:44:55:66 | 08:00 | 1 | 148m |
| 2 | 22:33:44:44:53:09 | 08:01 | 10 | 2002m |
| 3 | 00:11:22:44:55:66 | 08:10 | 12 | 2322m |
| 4 | 11:34:44:43:33:21 | 08.12 | 3 | 489m |
| 5 | 00:11:22:44:55:66 | 08:13 | 13 | 2655m |
After measuring device receives road conditions computation requests, all records of the period of needs measurement are traversed out from database,
For example current time is 08:15 points, the data of 15 minutes, i.e. time are taken 08：00 to 08:All records of 15 this periods
Data number is 1,2,3,4,5.
Then the record that MAC Address occurrence number in all records is more than or equal to 2, such as ID 1 and ID 3 in table 1 are searched,
MAC Address with ID5 is 00:11:22:44:55:66 and occur three times, meeting the requirements.
The record set of mac addresses met the requirements is found to start to calculate later：
Assuming that T1, T2, T3 represent the time of three data respectively, P1, P2, P3 represent the position of three data, R1, R2,
R3 represents the number in three sections respectively, then
This MAC Address of R1-R2 directions be in speed：(P2-P1)/(T2-T1)
The speed of this MAC Address of R2-R3 directions is：(P3-P2)/(T3-T2)
After this data is calculated, with similar method, other similar MAC Address will also be calculated into each section
Speed, error analysis finally is done to the data in some section, will be last after the too big data of some deviation averages are deleted
Average value is issued out as the final speed in this section of section.
The measuring method provided through the embodiment of the present invention only needs arrangement AP hot spot moulds along road in measurement section section
Block, a data collection is arranged on backstage and processing module can count the vehicle speed condition in each sub- section in this section, accurate
Really report traffic information, it is therefore, of low cost, do not need to transformation other parts.
The embodiment of the present invention provides a kind of measuring device 20, as shown in fig. 6, described device 20 includes：Acquiring unit 201,
Processing unit 202, wherein,
The acquiring unit 201, when receiving at least one terminal request information for obtaining default at least two AP of section
The first measurement data, wherein, first measurement data includes：Terminal iidentification, the location information of at least two AP and extremely
Few two AP receive temporal information during at least one terminal request information；
The processing unit 202, it is described for obtaining after being handled according to preset rules first measurement data
At least one terminal is in the speed in the default section.
Further, as shown in fig. 7, described device 20 further includes：Determination unit 203, for determining that described first measures
The measurement data that the number of identical terminal iidentification is more than default value in data is the second measurement data, and described second measures number
According to including：When terminal iidentification, the location information of at least two AP and at least two AP receive at least one terminal request information
Temporal information；Be additionally operable to according to the location information of at least two AP and at least two AP in second measurement data receive to
Temporal information during few terminal request information, determines speed of at least one terminal in the default section, wherein, it is described
Default value is the natural number more than or equal to 2.
Further, the processing unit 202 is additionally operable to speed of at least one terminal in the default section
It is analyzed, obtains the traffic information in the default section.
Further, the determination unit 203 is additionally operable to determine displacement distance according to first position information, described first
Location information is the location information that first terminal identifies corresponding at least two AP in second measurement data, and described first eventually
End is identified as the corresponding terminal iidentification of any one terminal at least one terminal；It is additionally operable to basis and the first position information
Corresponding first time information determines the displacement distance corresponding time, and the first time information measures number for described second
Temporal information in during at least two AP receptions first terminal solicited message, the first terminal solicited message are first terminal
The solicited message of transmission, the corresponding terminal iidentification of the first terminal are first terminal mark；
The processing unit 202 is additionally operable to determine institute according to the displacement distance and the displacement distance corresponding time
State speed of the first terminal in the default section.
Further, as shown in fig. 7, described device further includes receiving unit 204, request, institute are measured for obtaining road conditions
It states road conditions and measures the information that request carries default section.
Specifically, understanding for measuring device provided in an embodiment of the present invention can refer to saying for above-mentioned measuring method embodiment
Bright, details are not described herein for the embodiment of the present invention.
Measuring device provided in an embodiment of the present invention, can be with statistical measurement road on the basis of not needing to carry out transformation greatly
The vehicle speed condition in each sub- section, accurately reports traffic information, reduces cost in section.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the shape of the embodiment in terms of hardware embodiment, software implementation or combination software and hardware can be used in the present invention
Formula.Moreover, the present invention can be used can use storage in one or more computers for wherein including computer usable program code
The form of computer program product that medium is implemented on (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of measuring method, which is characterized in that the method includes：
First when default at least two wireless access points AP of section receives at least one terminal request information is obtained to measure
Data, wherein, first measurement data includes：Terminal iidentification, the location information of at least two AP and at least two AP connect
Receive temporal information during at least one terminal request information；
At least one terminal is obtained after being handled according to preset rules first measurement data on the default road
The speed of section.
2. according to the method described in claim 1, it is characterized in that, it is described according to preset rules to the measurement data at
Speed of at least one terminal in the default section is obtained after reason, including：
Determine that the number of terminal iidentification identical in first measurement data is surveyed more than the measurement data of default value for second
Data are measured, second measurement data includes：Terminal iidentification, the location information of at least two AP and at least two AP receive to
Temporal information during few terminal request information, wherein, the default value is the natural number more than or equal to 2；
Receiving at least one terminal according to the location information of at least two AP in second measurement data and at least two AP please
Temporal information during information is sought, determines speed of at least one terminal in the default section.
3. method according to claim 1 or 2, which is characterized in that measured described according to preset rules described first
Data obtain at least one terminal after the speed in the default section after being handled, further include：
Speed of at least one terminal in the default section is analyzed, obtains the road conditions letter in the default section
Breath.
4. according to the method described in claim 2, it is characterized in that, position according at least two AP in second measurement data
Confidence ceases temporal information when at least one terminal request information is received at least two AP, determines arbitrary at least one terminal
One terminal the default section speed, including：
Displacement distance is determined according to first position information, the first position information is first terminal in second measurement data
The location information of corresponding at least two AP is identified, the first terminal is identified as any one terminal-pair at least one terminal
The terminal iidentification answered；
The displacement distance corresponding time is determined according to first time information corresponding with the first position information, described
Temporal information when one temporal information is at least two AP receptions first terminal solicited message in second measurement data, it is described
First terminal solicited message is the solicited message that first terminal is sent, and the corresponding terminal iidentification of the first terminal is first terminal
Mark；
Determine the first terminal in the default section according to the displacement distance and the displacement distance corresponding time
Speed.
5. according to the method described in claim 1, it is characterized in that, obtain default at least two AP of section receptions at least described
Before the first measurement data during one terminal request information, further include：
It receives road conditions and measures request, the road conditions measure the information that request carries default section.
6. a kind of measuring device, which is characterized in that described device includes：Acquiring unit, processing unit, wherein,
The acquiring unit is surveyed for obtaining first when default at least two AP of section receives at least one terminal request information
Data are measured, wherein, first measurement data includes：Terminal iidentification, the location information of at least two AP and at least two AP
Receive temporal information during at least one terminal request information；
The processing unit, it is described at least one for obtaining after being handled according to preset rules first measurement data
Terminal is in the speed in the default section.
7. device according to claim 6, which is characterized in that described device further includes：Determination unit, it is described for determining
The number of identical terminal iidentification is more than the measurement data of default value for the second measurement data in first measurement data, and described the
Two measurement data include：Terminal iidentification, the location information of at least two AP and at least two AP receive at least one terminal please
Seek temporal information during information；It is additionally operable to the location information and at least two according at least two AP in second measurement data
AP receives temporal information during at least one terminal request information, determines speed of at least one terminal in the default section,
Wherein, the default value is the natural number more than or equal to 2.
8. the device described according to claim 6 or 7, which is characterized in that the processing unit is additionally operable to described at least one
Speed of the terminal in the default section is analyzed, and obtains the traffic information in the default section.
9. device according to claim 7, which is characterized in that
The determination unit is additionally operable to determine displacement distance according to first position information, and the first position information is described the
First terminal identifies the location information of corresponding at least two AP in two measurement data, and the first terminal is identified as at least one
The corresponding terminal iidentification of any one terminal in terminal；It is additionally operable to be believed according to first time corresponding with the first position information
Breath determines the displacement distance corresponding time, and the first time information is that at least two AP connect in second measurement data
Temporal information during first terminal solicited message is received, the first terminal solicited message is the solicited message that first terminal is sent,
The corresponding terminal iidentification of the first terminal is first terminal mark；
The processing unit is additionally operable to determine described first eventually according to the displacement distance and the displacement distance corresponding time
Hold the speed in the default section.
10. device according to claim 6, which is characterized in that described device further includes receiving unit, for obtaining road conditions
Request is measured, the road conditions measure the information that request carries default section.
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|---|---|---|---|
| CN201710726513.4A CN108198435A (en) | 2017-08-22 | 2017-08-22 | A kind of measuring method and device |
| PCT/CN2018/101477 WO2019037707A1 (en) | 2017-08-22 | 2018-08-21 | Measurement method and apparatus |
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| CN201710726513.4A CN108198435A (en) | 2017-08-22 | 2017-08-22 | A kind of measuring method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019037707A1 (en) * | 2017-08-22 | 2019-02-28 | 中兴通讯股份有限公司 | Measurement method and apparatus |
| CN110232817A (en) * | 2018-12-27 | 2019-09-13 | 上海君来软件有限公司 | A kind of Freeway Conditions analysis method based on WiFi sniff data |
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| CN108198435A (en) * | 2017-08-22 | 2018-06-22 | 中兴通讯股份有限公司 | A kind of measuring method and device |
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| WO2019037707A1 (en) * | 2017-08-22 | 2019-02-28 | 中兴通讯股份有限公司 | Measurement method and apparatus |
| CN110232817A (en) * | 2018-12-27 | 2019-09-13 | 上海君来软件有限公司 | A kind of Freeway Conditions analysis method based on WiFi sniff data |
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| WO2019037707A1 (en) | 2019-02-28 |
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