CN102521890A - Free-flow vehicle charging method - Google Patents
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- CN102521890A CN102521890A CN2011103708403A CN201110370840A CN102521890A CN 102521890 A CN102521890 A CN 102521890A CN 2011103708403 A CN2011103708403 A CN 2011103708403A CN 201110370840 A CN201110370840 A CN 201110370840A CN 102521890 A CN102521890 A CN 102521890A
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Abstract
The invention discloses a free-flow vehicle charging method, a base station and a system, which belong to the technical field of wireless communication and radio-frequency identification. The method comprises the steps that: the base station acquires the information of labels of passing vehicles, adds the identity (ID) of the base station to a base station list in which the label is recorded aiming at each legal label, and multicasts the label to adjacent base stations; and if the multicasting information of the label is not received within time exceeding a preset time interval threshold, the record of the label is transmitted to a data server and the data server calculates the running distance and the toll according to the distance among the base stations in the base station list recorded in the label. By adopting the free-flow vehicle charging method, the base station and the system, setting the base stations at traffic nodes of urban roads and using the transmission and exchange of label information among the base stations, the tracking of the running paths of vehicles on complex paths is realized, the running distance of the vehicles is calculated and the tolls are collected.
Description
Technical field
The present invention relates to wireless telecommunications and REID field, particularly a kind of free flow vehicle charging method, base station and system.
Background technology
Along with the fast development of China's economic with science and technology, the scale of key city enlarges rapidly, and people increase with relying on also the demand of vehicle gradually.With Beijing is example; Beijing permanent resident population 1,493 ten thousand, and motor vehicle has reached 2,450,000, in peak period on and off duty; The jam situation of vehicle is very serious; The Chinese Academy of Social Sciences's Quantity Economics and technical institute are calculated, and Beijing traffic congestion causes social cost 4,000 ten thousand every day, and annual loss reaches 14,600,000,000 yuan.A kind of comparatively reasonably solution is that the vehicle that peak time goes is charged so that the vehicle driving of restricting traffic peak period.At present, (Radio Frequency Identification, RFID) technology also is used widely at intelligent transportation field for the application system of core with RF identification.The RFID technology is to utilize radiofrequency signal based on space coupled transfer characteristic, realizes the automatic identification to object contactlessly.Most typical like non-parking charge on highway, in the expressway access, label is carried out the initialization information setting through the track card reader; On highway, label and road side base station carry out information interaction, and preserve necessary routing information; At expressway exit, respond with on the routing information that label will have been stored through the track card reader carries out and carry out data processing.But the entrance and exit of this application scenarios is all comparatively single, is not suitable on municipal highway, using.Therefore design that a kind of reasonably the free flow vehicle toll method of highway is a problem demanding prompt solution in the city, city.
Summary of the invention
The technical matters that the present invention will solve provides a kind of free flow vehicle charging method, base station and system, exercises distance and charge thereby utilize label that the operating path of vehicle is followed the tracks of to calculate.
In order to solve the problems of the technologies described above, according to an aspect of the present invention, a kind of free flow vehicle charging method provided by the invention may further comprise the steps:
The label information of vehicular traffic is gathered in steps A, base station;
After illegal label is filtered in step B, base station,, whether there is the label record of this label in the query caching to each legal label, if do not exist, then newly-built strip label record and initialization value; If exist, then in the station list of this tag record, increase this base station IDs;
Step C, this tag record is multicast to adjacent base station;
If step D receives the tag record of this label of other base station multicast, then delete this tag record, process ends; If surpass the multicast message that preset time interval threshold value is not received this label, then this tag record sent to data server, and delete this tag record.
Step e, data server are according to distance calculation vehicle ' distance and the toll amount between each base station in the station list of this label record.
For solving the problems of the technologies described above, according to another aspect of the present invention, a kind of free flow vehicle charging provided by the invention base station comprises label acquisition module, label cleaning module, data processing module, broadcast module and reporting module, wherein:
The label acquisition module is used to gather the label on the vehicular traffic;
The label cleaning module is used to filter the illegal label that the label acquisition module collects;
Data processing module is used for to each legal label, whether has the label record of this label in the query caching, if do not exist, and then newly-built strip label record and initialization value; If exist, then increase this base station IDs in the station list in this tag record;
Broadcast module, the tag record multicast that is used for data processing module is handled is given adjacent base station;
Reporting module is used for this tag record being sent to data server when surpassing the preset time interval threshold and do not receive the multicast message of this label.
In order to solve the problems of the technologies described above, according to a further aspect of the invention, a kind of vehicle metering system provided by the invention comprises: base station, data server and central server.Wherein:
The base station, be used for the label collection of vehicular traffic, label cleans, and data processing, data broadcasting and data report;
Said data server is used for the tag record that store car label information and base station report, and according to the distance calculation vehicle ' distance and the toll amount of each base station in the station list of tag record;
Central server is used for the management to base station and data server.
This is mutually with prior art; The embodiment of the invention is provided with the base station through the transport node at municipal highway; Vehicle need not stop during through position that the base station covered; Utilize the transmission and the exchange of the label information between the base station, realized the operating path of tracking vehicle under pahtfinder hard, thereby the operating range that calculates vehicle is charged.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the free flow vehicle charging method process flow diagram of the embodiment of the invention one;
Fig. 2 is the base station module structural drawing that the free flow vehicle of the embodiment of the invention two charges;
Fig. 3 is the free flow vehicle metering system configuration diagram of the embodiment of the invention three;
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer, clear,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1 is the free flow vehicle charging method process flow diagram of the embodiment of the invention one, specifically may further comprise the steps:
Step 101: the base station obtains label information;
Label in this step can be the ultrahigh frequency label, uses the ceramic label based on the EPC agreement.
Preferably, label has only a field, and this field is only readable can not writing after distribution.For load balance label the 0th byte is the ID of label place server; Clean for the ease of label, can whether be used for free flow through the byte-identifier of label and charge, this is as the 1st of this label the; 4; The content identification of 9,16 bytes the purposes of these label be the free flow toll tags, the uniquely identified ID that all the other fields are stitched together and have represented label.
Step 102: base station judges label source, if the label that obtains through collection, execution in step 104, otherwise execution in step 103;
Step 103: in this base station, preserve or the deletion tag record.
For the tag record that adjacent base station sends over, two kinds of situation are arranged, a kind of is that vehicle does not also have at this moment need preserve this tag record through this base station, if possibly drive to when this base station collects this label and will use in order to vehicle.Another kind is that vehicle just leaves from this base station, and the next base station of exercising after leaving sends over, and at this moment need delete this tag record.Whether basis for estimation can be this base station IDs according to penult base station IDs in the station list of this tag record, if then represent what this vehicle had just left through this base station, at this moment with this tag record deletion, otherwise preserves this tag record.
Step 104: whether the base station judges label is legal, if illegal, process ends then.
In this step, illegal label comprises two kinds of situation: the illegal label of misreading and the label of repeated acquisition.
The illegal label of misreading: as not being that the label that is used for the free flow vehicle toll is when getting into the readable region of base station; The base station can be sent requesting query to central server and whether can be used for the free flow vehicle toll, but can waste a large amount of bandwidth and the computational resource of server like this.So preferred scheme is in this step: after the base station collected label, the purposes byte through this label judged whether to be used for free flow and charges, if not, then directly with this tag-drop.
The label of repeated acquisition: when a vehicle from getting into the base station readable region to the readable region that leaves the base station; Label possibly repeatedly read and collected; Two fields of the legal label distribution that gather up to each in buffer memory the base station, one is label ID, one is timestamp; When label was repeated to gather, its timestamp was inevitable very approaching, so the time interval of the timestamp of repeatedly gathering when same label is during less than a certain minimum value, then with this tag-drop.
Step 105: carry out data processing: whether inquiry exists tag record according to label ID; If do not exist, then be newly-built strip label record of this label and initialization label information, if exist; Then upgrade this tag record, the base station IDs of oneself is added in the station list.
Preferably, in the base station, for the ease of the management and the calculating of label, each strip label record comprises following field:
TagID: i.e. label ID is used to write down the unique identification sign indicating number of label;
TimeStamp: i.e. timestamp is used to write down the time that collects this label recently;
BSID: i.e. base station IDs is used to write down the unique identification sign indicating number of the base station that collects this label recently;
BSIDList: station list is used for the base station IDs of all base stations of registration of vehicle process.
Step 106: to base stations neighboring multicast label record.
In this step, can be to the tag record of all this labels of adjacent base station multicast.In order to save air resource; Also can be equipped with the antenna of varying number according to the situation of junction node in the base station; Antenna is judged according to the traffic direction of vehicle possibly drive to adjacent base station; Only to the previous base station of vehicle operating with possibly run to this tag record of adjacent base station multicast, can reduce the base station number of multicast like this.
Step 107: judge whether to surpass the multicast message that preset time interval threshold value is not received this label,, otherwise delete this tag record, process ends if then execution in step 108;
In this step, the time stamp T of this tag record of base station judges is carried out this with itself and current time T1, if T1-T＞maximum time at interval, is then explained the area of charge that this vehicle has left, this moment, the base station sent to data server with this label information tabulation.
Step 108: this tag record is sent to data server, and delete this tag record.
Data server ID under having stored in the label information, the IP address of having stored each data server in the base station, base station 301 is according to the IP reporting address tag record of the pairing data server of this label.
Step 109: after data server is received this tag record, according to distance calculation vehicle ' distance and the toll amount between each base station in the station list of this label record.
In this step, vehicle ' distance be between each base station apart from sum.
The embodiment of the invention is provided with the base station through the transport node at municipal highway; Vehicle need not stop during through position that the base station covered; Utilize the transmission and the exchange of the label information between the base station; Realized the operating path of tracking vehicle under pahtfinder hard, thereby the operating range that calculates vehicle is charged.
Embodiment two
As shown in Figure 2 is the free flow vehicle charging base station module structural drawing of the embodiment of the invention one, comprises label acquisition module 201, label cleaning module 202, data processing module 203, broadcast module 204 and reporting module 205, wherein:
Label acquisition module 201 is used to gather the label on the vehicular traffic;
Label cleaning module 202 is used to filter the illegal label that the label acquisition module collects;
Data processing module 203 is used for to each legal label, whether has the label record of this label in the query caching, if do not exist, and then newly-built strip label record and initialization value; If exist, then increase this base station IDs in the station list in this tag record;
Broadcast module 204 is used for giving adjacent base station with the tag record multicast after data processing module 203 processing;
Reporting module 205 is used for this tag record being sent to data server when surpassing the preset time interval threshold and do not receive the multicast message of this label.
Preferably, the base station also comprises receiver module 206, is used for the multicast message of receiving neighbor bs, and preserves or the deletion tag record;
Preferably; In order to save air resource; The base station also comprises the antenna that is equipped with varying number according to the situation of junction node, and after label was gathered up, antenna is judged according to the traffic direction of vehicle possibly drive to adjacent base station; Only to the previous base station of vehicle operating with possibly run to this tag record of adjacent base station multicast, can reduce the base station number of multicast like this.
Preferably, in order to ensure the accuracy of data, label cleaning module 202 also comprises first filter element and second filter element, and wherein: first filter element is used for filtering the label that is not to be used for the charging of free flow vehicle through the purposes byte of label; Second filter element is used for filtering at interval through acquisition time the label of repeated acquisition.
Preferably; Management and statistics for the ease of label; Record comprises following information at least: be used for the label ID of this label of unique identification, be used to write down the timestamp of the final time that this label gathered, and be used to write down this label the station list of all base stations of process.
The embodiment of the invention is utilized the transmission and the exchange of the label information between the base station, has realized the operating path of tracking vehicle under pahtfinder hard, thereby the operating range that calculates vehicle is charged.Once more, according to the embodiment of the invention to the definition of label data form with use multicast mode to carry out information interaction and avoided dirty data and the generation that floods as much as possible, the server computational resource of having saved bandwidth.
Embodiment three
As shown in Figure 3 is the free flow vehicle metering system configuration diagram of the embodiment of the invention three, and this system comprises base station 301, data server 302 and central server 303, wherein:
Base station 301: be used for the label collection of vehicular traffic, label cleans, and data processing, data broadcasting and data report.
Need to prove that the embodiment of the invention one can be adapted in the embodiment of the invention with all relevant schemes of base station among the embodiment two, no longer repeats particular content here.
Data server 302: be used for the tag record that store car label information and base station report, and according to the distance calculation vehicle ' distance and the toll amount of each base station in the station list of tag record;
Particularly, data server 302 can be a plurality of independent subsystem, and each subsystem provides identical functions, and the foundation of division is the label difference that different sub-systems is managed.Data server ID under having stored in the label, the IP address of having stored each data server in the base station 301, base station 301 is according to the IP reporting address tag record of the pairing data server of this label.Data server provides information of vehicles, the history tab record of vehicle ', and when base station 301 reported tag record, server can be stored this tag record, and calculated the distance of vehicle ' and the amount of withholing according to the tabulation of base-station node.
Central server 303: be used for base station 301 and data server 302 are carried out network management.
For example; Central server 303 provides base station 301 to be configured; Topology, functions such as alarm can be safeguarded between a plurality of base stations 301, the mutual tabulation between base station 301 and the data server 302 simultaneously; When the address of data server 302 changes; Central server 303 can adopt the mode of broadcasting that up-to-date address information is sent to each base station 301, and when changing as if the address of certain base station 301, central server can send to this message and this base station associated base station with multicast mode.
In addition, central server 303 also provides unified service interface for the user, and the data servers 302 different according to the label ID selection of user's input carry out with the user alternately.Briefly, mutual for the client, this module provides the function of a route.
Preferably; In order to prevent fault, this system also comprises the backup server corresponding with data server 304, is used for the Backup Data server; When data server breaks down or during software upgrading, alternate data server 302 is connected with base station 301 and carries out normal business.
For example, after accomplishing transaction, data server 302 can carry out backup operation with backup server 304, and in order not influence the normal mutual of data server and base station, data server 302 can selective system carry out during the free time with backup server 304 synchronously.When data server breaks down or during software upgrading, backup server 304 alternate data servers 302 are connected with base station 301 and carry out normal business.In addition; This module can start a monitoring, and the purpose of this monitoring is after receiving the message of data server 302 recoveries, and backup server 304 can initiatively carry out data sync with data server 302; After accomplishing synchronously, notify all base stations 301 that interactive object is reverted to data server 302.
The embodiment of the invention is utilized the transmission and the exchange of the label information between the base station, has realized the operating path of tracking vehicle under pahtfinder hard, thereby the operating range that calculates vehicle is charged.Secondly, the effect of label is exactly to identify vehicle in this patent, and out of Memory all leaves in the database, has so both alleviated to use the financial burden that active label brought, and has solved the safety problem of passive label again.
Above-mentioned explanation illustrates and has described a preferred embodiment of the present invention; But as previously mentioned; Be to be understood that the present invention is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in invention contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection domain of accompanying claims of the present invention.
Claims (9)
1. a free flow vehicle charging method is characterized in that, may further comprise the steps:
The label information of vehicular traffic is gathered in steps A, base station;
After illegal label is filtered in step B, base station,, whether there is the label record of this label in the query caching to each legal label; If do not exist; Then newly-built strip label record and initialization value if exist, then increase this base station IDs in the station list of this tag record;
Step C, this tag record is multicast to adjacent base station;
If step D receives the tag record of this label of other base station multicast, then delete this tag record, process ends; If surpass the multicast message that preset time interval threshold value is not received this label, then this tag record sent to data server, and delete this tag record.
Step e, data server are according to distance calculation vehicle ' distance and the toll amount between each base station in the station list of this label record.
2. method according to claim 1 is characterized in that, said base station is filtered illegal label and comprised: filtering through the purposes byte in the label is not to be used for the label that the free flow vehicle charges, and filters the label of repeated acquisition at interval through acquisition time.
3. method according to claim 1 is characterized in that, also wraps before the said step B and states this tag record and the preservation that the adjacent base station multicast is received in the base station.
4. method according to claim 1 is characterized in that, said tag record comprises following information:
Label ID is used to write down the unique identification sign indicating number of this label;
Base station IDs is used to write down the unique identification sign indicating number of the base station that collects this label recently;
Timestamp is used to write down the time that collects this label recently;
Station list is used for the base station IDs of all base stations of registration of vehicle process.
5. according to each described method of claim 1-4, it is characterized in that said adjacent base station is: the previous base station in the station list of this tag record, and the next base station that possibly exercise according to the vehicle that antenna is judged.
6. a free flow vehicle charging base station is characterized in that said base station comprises label acquisition module, label cleaning module, data processing module, broadcast module and reporting module, wherein:
Said label acquisition module is used to gather the label on the vehicular traffic;
Said label cleaning module is used to filter the illegal label that the label acquisition module collects;
Said data processing module is used for to each legal label, whether has the label record of this label in the query caching, if do not exist, and then newly-built strip label record and initialization value; If exist, then increase this base station IDs in the station list in this tag record;
Said broadcast module is used for tag record is multicast to adjacent base station;
Said reporting module is used for this tag record being sent to data server when surpassing the preset time interval threshold and do not receive the multicast message of this label.
7. according to the described base station of claim 6, it is characterized in that said base station also comprises receiver module, be used for the multicast message of receiving neighbor bs, and preserve or delete corresponding tag record.
8. according to the described base station of claim 6, it is characterized in that said base station also comprises the antenna that is provided with according to the crossing, is used to the next adjacent base station of judging that vehicle possibly go.
9. according to the described base station of claim 6, it is characterized in that said label cleaning module also comprises the first filter unit and and filter element, wherein:
Said first filter element is used for filtering the label that is not to be used for the charging of free flow vehicle according to the purposes byte of the label of gathering;
Said second filter element is used for filtering at interval according to acquisition time the label of repeated acquisition.
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| CN2011103708403A CN102521890A (en) | 2011-11-21 | 2011-11-21 | Free-flow vehicle charging method |
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| CN2011103708403A CN102521890A (en) | 2011-11-21 | 2011-11-21 | Free-flow vehicle charging method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778238A (en) * | 2012-07-30 | 2012-11-14 | 南京信息工程大学 | Travelled distance counting device based on vehicle identification and working method thereof |
| CN104112296A (en) * | 2014-07-29 | 2014-10-22 | 陈昊 | Electronic number plate free flow charge payment method |
| CN105589933A (en) * | 2015-12-10 | 2016-05-18 | 北京奇虎科技有限公司 | Hardware code writing method and apparatus for mobile device |
| CN109727326A (en) * | 2018-12-19 | 2019-05-07 | 深圳市博兰雅包装技术有限公司 | Control charging system based on the identification of license plate two dimensional code |
| CN114548335A (en) * | 2022-02-24 | 2022-05-27 | 四川省机场集团有限公司 | Unpowered equipment mileage frequency calculation method and system based on driving domain feature points |
-
2011
- 2011-11-21 CN CN2011103708403A patent/CN102521890A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778238A (en) * | 2012-07-30 | 2012-11-14 | 南京信息工程大学 | Travelled distance counting device based on vehicle identification and working method thereof |
| CN104112296A (en) * | 2014-07-29 | 2014-10-22 | 陈昊 | Electronic number plate free flow charge payment method |
| CN105589933A (en) * | 2015-12-10 | 2016-05-18 | 北京奇虎科技有限公司 | Hardware code writing method and apparatus for mobile device |
| CN109727326A (en) * | 2018-12-19 | 2019-05-07 | 深圳市博兰雅包装技术有限公司 | Control charging system based on the identification of license plate two dimensional code |
| CN114548335A (en) * | 2022-02-24 | 2022-05-27 | 四川省机场集团有限公司 | Unpowered equipment mileage frequency calculation method and system based on driving domain feature points |
| CN114548335B (en) * | 2022-02-24 | 2022-12-06 | 四川省机场集团有限公司 | Unpowered equipment mileage frequency calculation method and system based on driving domain feature points |
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Application publication date: 20120627 |