CN101996424A - Method for realizing electronic toll collection - Google Patents
Method for realizing electronic toll collection Download PDFInfo
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- CN101996424A CN101996424A CN2009101896260A CN200910189626A CN101996424A CN 101996424 A CN101996424 A CN 101996424A CN 2009101896260 A CN2009101896260 A CN 2009101896260A CN 200910189626 A CN200910189626 A CN 200910189626A CN 101996424 A CN101996424 A CN 101996424A
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- vehicle electronics
- electronics label
- write line
- read write
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
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Abstract
The invention discloses a method for realizing electronic toll collection, which comprises the following steps of: determining the distance between a trigger earth inductor and a snapshot earth inductor; when detecting that vehicles drive into an antenna communication area, triggering a lane reader by the trigger earth inductor; performing power detection on a signal sent by the lane reader by a vehicle-mounted electronic tag, and returning an answer signal added with a detection result to the lane reader; and conveying a media access control MAC address corresponding to the determined vehicle-mounted electronic tag to a stack of a background computer by the lane reader for storing to perform toll collection transaction. By the method, the lane reader can determine the front and back correspondence of the vehicle-mounted electronic tag, so the problem of vehicle following interference is solved, and the accuracy of vehicle following charging is improved.
Description
Technical field
The present invention relates to field of wireless communication, particularly field of radio frequency identification is specifically related to a kind of electric non-stop toll implementation method.
Background technology
At present at radio-frequency (RF) identification (Radio Frequency Identification, RFID) in numerous practical applications, the application of intelligent transportation is the widest, for example E-payment system (Electronic Toll Collection System, ETC), i.e. no-stop charging system.ETC non-parking charge technology appears at the initial stage nineties, successively in the North America, ground widespread uses such as Europe, Japan, Australia, Singapore, China has also carried out the research of relevant item, carried out the construction of demonstration project in some province ,city and areas such as Guangdong, Jiangsu, and proposed relevant domestic standard to accelerate the development of electric non-stop toll technology.
The ETC system utilizes the RFID technology to finish wireless data communication between vehicle and the charge station, particularly, by being arranged on board units (the On board Unit on the vehicle, OBU) (being the vehicle electronics label) and roadside unit (Road side unit, RSU) realize, wherein said RSU is provided with antenna and track read write line, concrete processing procedure: when vehicle the time at a high speed by RSU, OBU and RSU are by microwave communication, carry out the exchange of automatic vehicle identification and relevant charge data, carry out the processing of charge data by computer network, thereby realize not stopping charge automatically.
In present ETC system, the antenna that is arranged on the roadside unit is positioned at the top, track, in order to guarantee that vehicle has the reliable and stable of higher passage rate and charge, antenna is more than the communications zone operated by rotary motion 8M that covers on the track, but because the expansion of communications zone scope, many cars (being 2 cars at least) often occur and be in the interior phenomenon of same antenna communications zone simultaneously, the track read write line can't be judged the sequencing of vehicle, especially when the vehicle of front can not arm's length transaction when then car can be concluded the business, front truck will occur by the situation that the car then of letting pass is blocked, be referred to as to disturb with car.
As shown in Figure 1, in the effective range of track read write line, have two vehicle electronics labels to be checked simultaneously, the track read write line can't be judged the sequencing of vehicle like this, causes with car and disturbs, and influences the carrying out of regular fee transaction.
If interference occurs in charge station's inlet with car, when the front vehicle arrives outlet, can not charge (specifically punishment rule is determined by the local relevant departments of highway) according to whole process because entering the mouth information, thereby cause car owner's complaint.In order to confirm whether charge has problems, the freeway management personnel must confirm whether customer complaint is true from a large amount of charge video recordings, like this in the practical operation effort and time-consuming, because highway networking at present, if above-mentioned penalized vehicle to belong to stride the highway section travel, deal with the coordination that also will relate to other highway operating organizations, loaded down with trivial details unusually.
If interference occurs in charge station's outlet with car, the vehicle of being let pass is being had a mind to or all can caused actual fee evasion under the situation unintentionally.And the arm's length transaction vehicle that is blocked not only can't normally pass through, but also to be charged according to through running, even the expense of overcharging can be returned the car owner after situation is examined, but actual check operation and disturb the situation processing procedure that occurs in charge station's inlet with car identical, effort and time-consuming.
In sum, along with highway networking scope is increasing, the single toll is climbed to a higher point day by day, disturbs to freeway management department with car and brings the certain economic loss, simultaneously owing to also can exist the car owner to the affirmation of loss with problem such as share.No matter therefore following car to disturb is to freeway management department or the highway user brings adverse effect.
In addition, in actual motion, existing ETC system, because the otherness (chip performance of different OBU chip manufacturers produce there are differences) of OBU chip and physical property problem own (for example, because OBU itself needs powered battery, battery performance there are differences) the consistance deficiency, also can cause following car to charge and make a fault.
Summary of the invention
The objective of the invention is to propose a kind of electric non-stop toll implementation method, in order to solve in the ETC system that exists in the prior art with the car interference problem.
Specific implementation of the present invention is as follows:
A kind of electric non-stop toll implementation method comprises following treatment step:
Step 1 determines to trigger the distance between ground sense and the sense of candid photograph ground;
Step 2, the sense of triggering ground detects vehicle and sails antenna communication district into, triggers the track read write line;
Step 3, the vehicle electronics label carries out power detection to receiving the signal that described track read write line sends, and the answer signal that will be added with testing result returns to the track read write line;
Step 4, described track read write line are delivered to the medium access control MAC Address of the vehicle electronics label correspondence determined in the storehouse of background computer and are stored the transaction of charging.
In described charge implementation method, determine in the described step 4 that the MAC Address specific implementation step of vehicle electronics label correspondence is as follows:
Described track read write line is determined the number of the vehicle electronics label of echo reply signal, if having only 1 vehicle electronics label, then the MAC Address of this vehicle electronics label correspondence is delivered in the storehouse of background computer and is stored; If be no less than 1 vehicle electronics label, then resolve described answer signal, obtain the MAC Address of the vehicle electronics label correspondence of answer signal performance number maximum, and described MAC Address is delivered in the storehouse of background computer and stored.
In described charge implementation method, in the described step 4, when being no less than 1 as if described vehicle electronics label, the distance that is provided with between described vehicle electronics label remains on more than 3 meters.
In described charge implementation method, in the described step 3, described power detection is meant that signal that described vehicle electronics label sends the described track read write line of the receiving signal intensity indicated power of eating dishes without rice or wine detects.
In described charge implementation method, in the described step 3, described vehicle electronics label is resolved by demodulation chip disposed thereon and is received the signal that the track read write line sends, and obtains baseband signal;
When baseband signal was high level, described vehicle electronics label carried out power detection to received signal.
In described charge implementation method, in the described step 3, described track read write line sends signal by the mode of broadcasting.
In described charge implementation method, also comprise the steps:
Step 5, the sense of candid photograph ground detects described vehicle electronics label and leaves the antenna communications zone, triggering the track read write line checks the vehicle electronics label of finishing transaction in the storehouse, if do not check, then described track read write line starts the MAC Address that the background computer deletion is stored in the vehicle electronics label in the storehouse; Otherwise, check the then vehicle transaction of not charging.
In described charge implementation method, also comprise the steps:
Step 6, track read write line judge whether also there is the vehicle electronics label in the antenna communications zone, if, then change step 3 over to, otherwise, with track read write line dormancy.
Adopt difference with the prior art of the present invention to be, can utilize the attenuation of signal in the aerial transmission course to judge the distance of vehicle electronics label, guaranteed that the track read write line can determine the front and back corresponding relation of vehicle electronics label, not only solved with the car interference problem, and do not rely on the OBU chip performance, improved the accuracy rate of chargeing with car.In addition, because the emissive source of downlink all is the track read write line, so the present invention is the power detection of carrying out signal in the vehicle electronics label-side, thereby guarantees the decay of signal is had only the influence of signal transmission distance, can not introduce other factors.In addition, the present invention checks single vehicle electronics label, because the process of checking is very fast, can not influence the efficient of transaction.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 disturbs with car to produce synoptic diagram;
Fig. 2 is a distance and transmission signals decay emulation synoptic diagram between vehicle electronics label described in the previous embodiment of the present invention and the described track read write line;
Fig. 3 is the process flow diagram of a specific embodiment of ETC electric non-stop toll implementation method of the present invention;
Synoptic diagram when vehicle leaves the antenna communications zone described in Fig. 4 previous embodiment of the present invention.
Embodiment
Major technique thought of the present invention is, in the antenna communications zone, when having many cars simultaneously, when vehicle electronics label that vehicle is provided with before and after utilizing and track read write line carry out communication, because the difference of transmission path causes the signal attenuation difference, by ground is felt and location positioning is carried out in the sense of candid photograph ground to triggering, determine signal degrade condition, determine the corresponding relation of track read write line and vehicle electronics label, the transaction of charging normally then solves with the car interference problem and improves the accuracy rate of chargeing with car.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail:
ECT of the present invention system, mainly comprise, be arranged on vehicle electronics label on the vehicle, be arranged on track read write line and antenna, the sense of triggering ground on the roadside unit, capture ground sense, background computer, wherein, as shown in Figure 1, described antenna and track read write line are arranged on the roadside unit, described roadside unit is positioned on the portal frame, be positioned at the top, track, described triggering ground sense and capture the ground sense and be arranged in the antenna communication coverage of track read write line, triggers the ground sense, captures the ground sense and be connected with background computer respectively described track read write line.
As Fig. 2 be vehicle electronics label described in the ETC of the present invention system and as described in distance and transmission signals decay emulation synoptic diagram between the read write line of track, in the antenna communication coverage of track read write line, because the influence of distance (described distance is meant the path of vehicle with respect to the track read write line) and angle, when vehicle electronics label and track read write line directly carry out the signal transmission, because the difference of transmission path causes the signal attenuation difference, therefore one section that chooses that its middle distance is directly proportional with signal power as the effective communication zone, to trigger the ground sense and capture the two ends that the ground sense is separately positioned on the effective communication zone, when guaranteeing the path between vehicle is felt by two ground like this signal attenuation with apart from being directly proportional.
As can be seen from the figure, when the zone of vehicle electronics label (being vehicle) beyond the read write line 2m of distance track, can guarantee that signal attenuation is directly proportional with distance, therefore determine the efficient working range of track read write line, in this scope, what the distance of two vehicle electronics labels can be clear and definite represents with signal degrade condition.Consider that vehicle length is generally all more than 3m, from simulation curve as can be seen, the decay that differs two vehicle electronics labels of 3m generally can both guarantee more than 3db, therefore can guarantee that the signal degrade condition of former and later two different vehicle electronics labels in same antenna communications zone can clearly be distinguished, thereby determine the position of vehicle.
Be a specific embodiment of ETC electric non-stop toll implementation method of the present invention as shown in Figure 3, specifically comprise following treatment step:
S31, the track read write line is in dormant state.
S32 enters the antenna communications zone when the sense of triggering ground has detected vehicle, triggers the track read write line.
S33, the track read write line sends signal with broadcast mode to the vehicle electronics label, and the vehicle electronics label receives signal, selects a time-delay at random, sends answer signal to the track read write line then.
Described vehicle electronics label carries out power detection and specifically is meant, described vehicle electronics label is behind the signal that receives the read write line transmission of described track, before the track read write line sends answer signal, carry out power detection, be achieved in that specifically described vehicle electronics label receives the signal that the track read write line sends by demodulation chip parsing disposed thereon, obtain baseband signal, when baseband signal is high level, described vehicle electronics label carries out RSSI (Received Signal Strength Indication to received signal, the signal intensity indication that receives) power detection, promptly power to received signal quantizes, the received signal power value that obtains each vehicle electronics label correspondence (promptly, power detection result), simultaneously the power detection result is write in the specific field of answer signal, and return the track read write line by answer signal.
The performance number of received signal is the amount of a variation, in order to make the received power value of different vehicle electronics labels can relatively obtain the front and back information of vehicle mutually, so that control transaction situation, the described vehicle electronics label RSSI power detection of eating dishes without rice or wine to received signal can obtain the power of relatively uniform received signal with this.
In addition, require the vehicle electronics label in carrying out process of exchange, run into check instruction can normal response, can not influence current transaction simultaneously, after instruction is checked in response, can proceed transaction.This just requires the vehicle electronics label can the implementation process handoff functionality, just in the process of concluding the business, run into check instruction after, current transaction flow can be suspended, preserve all related datas simultaneously, switch to another process then, to check the instruction carry out corresponding, corresponding check instruction after, switch in original transaction process, recover the data in the All Activity flow process, proceed transaction.
S34, the track read write line receives the answer signal of vehicle electronics label, judge whether only to receive an answer signal, if only receive an answer signal, promptly only check a vehicle electronics label and have only a car in other words in the track, MAC (Media Access Control with the vehicle electronics label, medium access control) address is delivered in the storehouse of background computer and is stored, conclude the business, change S36 then over to, otherwise, if receive two above answer signals, promptly check two above vehicle electronics labels, then change S35 over to.
Aforementioned described checking is meant, between track read write line and vehicle electronics label, utilize signal to transmit to transmit and check instruction, when the track read write line to the vehicle electronics label by send signal transmit check instruction after, receive that the vehicle electronics label transmits and replys instruction by sending signal, think that then the track read write line checks a vehicle electronics label, receive a plurality of instructions of replying accordingly, think that then the track read write line checks a plurality of vehicle electronics labels, promptly in current antenna communications zone, have a plurality of vehicles simultaneously.
S35, the answer signal that track read write line parsing receives (promptly, check a plurality of vehicle electronics labels), obtain each vehicle electronics label received signal power value, compare, confirm the vehicle electronics label of received signal power value maximum, the MAC Address value of this vehicle electronics label is delivered in the storehouse of background computer and stored the transaction of charging;
S36, the sense of candid photograph ground detects vehicle and rolls the antenna communications zone away from, trigger the track read write line (promptly to the vehicle electronics label of finishing transaction in the storehouse, leave the entrained vehicle electronics label of vehicle) check, if check not transaction of vehicle is described then, then track read write line notice main control computer triggers the charge transaction; Otherwise, do not check, the vehicle of then letting pass, and the deletion of notice background computer is stored in the MAC Address of the vehicle electronics label in the storehouse.
Described checking is meant, check leaving the entrained vehicle electronics label of vehicle, specifically being the ID that utilizes the vehicle electronics label finish transaction sends one and checks instruction to the described vehicle that leaves, if reply (promptly, check the vehicle electronics label), illustrate that to leave vehicle not corresponding with the ID of the vehicle electronics label of finishing transaction, if do not reply (promptly, do not check the vehicle electronics label), illustrate that the vehicle that has just left is corresponding with the ID of the vehicle electronics label of finishing transaction.Finish and to continue the transaction flow of front after checking and can not interrupt.
In previous examples, finish transaction when first vehicle electronics label, return the transaction that S32 begins to carry out next label.
In the previous examples, unusual if the transaction of first vehicle electronics label takes place, return S32 and check again.
S37, track read write line judge whether also there is the vehicle electronics label in the antenna communications zone, if, then change S33 over to, otherwise, with track read write line dormancy.
As shown in Figure 5, when capturing the ground sense when detecting vehicle and leaving the antenna communications zone, because the vehicle electronics label is positioned at the vehicle head, this moment is far away apart from the distance of track read write line, and at 2-3m place, the back side of track read write line, can guarantee that the track read write line can not recognize the vehicle electronics label of the vehicle that leaves the antenna communications zone, so just can determine to roll away from the vehicle electronics label that vehicle was equipped with of communications zone.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. electric non-stop toll implementation method is characterized in that comprising following treatment step:
Step 1 determines to trigger the distance between ground sense and the sense of candid photograph ground;
Step 2, the sense of triggering ground detects vehicle and sails antenna communication district into, triggers the track read write line;
Step 3, the vehicle electronics label carries out power detection to receiving the signal that described track read write line sends, and the contribution detected value is write answer signal returns to the track read write line;
Step 4, described track read write line are delivered to the medium access control MAC Address of the vehicle electronics label correspondence determined in the storehouse of background computer and are stored the transaction of charging.
2. charge implementation method as claimed in claim 1 is characterized in that:
The MAC Address specific implementation step of determining vehicle electronics label correspondence in the described step 4 is as follows:
Described track read write line is determined the number of the vehicle electronics label of echo reply signal, if having only 1 vehicle electronics label, then the MAC Address of this vehicle electronics label correspondence is delivered in the storehouse of background computer and is stored; If be no less than 1 vehicle electronics label, then resolve described answer signal, obtain the MAC Address of the vehicle electronics label correspondence of answer signal performance number maximum, and described MAC Address is delivered in the storehouse of background computer and stored.
3. charge implementation method as claimed in claim 2 is characterized in that:
In the described step 4, when being no less than 1 as if described vehicle electronics label, the distance that is provided with between described vehicle electronics label remains on more than 3 meters.
4. charge implementation method as claimed in claim 2 is characterized in that:
In the described step 3, described power detection is meant that signal that described vehicle electronics label sends the described track read write line of the receiving signal intensity indicated power of eating dishes without rice or wine detects.
5. as the described charge implementation method of the arbitrary claim of claim 1-4, it is characterized in that:
In the described step 3, described vehicle electronics label is resolved by demodulation chip disposed thereon and is received the signal that the track read write line sends, and obtains baseband signal;
When described baseband signal was high level, described vehicle electronics label carried out power detection to received signal.
6. charge implementation method as claimed in claim 5 is characterized in that:
In the described step 3, described track read write line sends signal by the mode of broadcasting.
7. charge implementation method as claimed in claim 5 is characterized in that also comprising the steps:
Step 5, the sense of candid photograph ground detects described vehicle electronics label and leaves the antenna communications zone, triggering the track read write line checks the vehicle electronics label of finishing transaction in the storehouse, if do not check, then described track read write line starts the MAC Address that the background computer deletion is stored in the vehicle electronics label in the storehouse; Otherwise, check the then vehicle transaction of not charging.
8. charge implementation method as claimed in claim 5 is characterized in that also comprising the steps:
Step 6, track read write line judge whether also there is the vehicle electronics label in the antenna communications zone, if, then change step 3 over to, otherwise, with track read write line dormancy.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101896260A CN101996424B (en) | 2009-08-25 | 2009-08-25 | Method for realizing electronic toll collection |
| PCT/CN2010/073027 WO2011023004A1 (en) | 2009-08-25 | 2010-05-20 | Implement method and system for electronic toll collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101896260A CN101996424B (en) | 2009-08-25 | 2009-08-25 | Method for realizing electronic toll collection |
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| Publication Number | Publication Date |
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| CN101996424A true CN101996424A (en) | 2011-03-30 |
| CN101996424B CN101996424B (en) | 2012-07-18 |
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| CN2009101896260A Active CN101996424B (en) | 2009-08-25 | 2009-08-25 | Method for realizing electronic toll collection |
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| CN (1) | CN101996424B (en) |
| WO (1) | WO2011023004A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103268642A (en) * | 2013-05-30 | 2013-08-28 | 安徽皖通科技股份有限公司 | ETC traffic lane car-following-preventing method based on double-queue technology |
| CN103778670A (en) * | 2013-04-15 | 2014-05-07 | 深圳市金溢科技有限公司 | BSRD-based vehicle following prevention method, positioning method, ETC method and system |
| CN105741366A (en) * | 2015-12-17 | 2016-07-06 | 深圳市金溢科技股份有限公司 | Anti-car following disturbing transaction method, road side unit, and transaction system |
| CN115267379A (en) * | 2022-06-30 | 2022-11-01 | 中国第一汽车股份有限公司 | ETC vehicle-mounted unit automatic testing device and method and vehicle testing system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102436684B (en) * | 2011-09-20 | 2013-12-11 | 广州新软计算机技术有限公司 | Method and system for preventing a plurality of OBUs (On-Board Units) from interfering with ETC (electronic toll collection) transaction |
| TWI557692B (en) * | 2015-04-17 | 2016-11-11 | 遠通電收股份有限公司 | Double-tolling determining electronic toll collecting method and system |
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| CN1253833C (en) * | 2002-04-25 | 2006-04-26 | 深圳市深港产学研数码科技有限公司 | Method for charging moving vehicle on road and system thereof |
| CN2840200Y (en) * | 2005-11-14 | 2006-11-22 | 广州华工信息软件有限公司 | A kind of dual communication area electronic non-parking the lane in which the drivers should pay fees system |
| CN100421130C (en) * | 2005-11-14 | 2008-09-24 | 广州华工信息软件有限公司 | Double communication area electronic non-parking charging lane system and method f realizing same thereof |
| CN100580713C (en) * | 2005-11-25 | 2010-01-13 | 北京握奇数据系统有限公司 | Electronic no parking toll system based on wireless LAN and its realizing method |
| DE102005058033A1 (en) * | 2005-12-05 | 2007-06-06 | Siemens Ag | Vehicle usage authorization verification method, involves exchanging information about presence of authorization between two vehicles, and displaying presence of authorization with vehicle identification on output unit of other vehicle |
| WO2009004751A1 (en) * | 2007-07-05 | 2009-01-08 | Mitsubishi Electric Corporation | Idle stop control device |
| CN101162527A (en) * | 2007-11-21 | 2008-04-16 | 深圳市赛格导航科技股份有限公司 | Highways toll collection system and charge method thereof |
| CN101256681B (en) * | 2008-03-24 | 2010-08-18 | 上海轶龙应用软件开发有限公司 | Highway electric non-stop toll device |
| CN201262755Y (en) * | 2008-09-05 | 2009-06-24 | 重庆英华重大信息网络有限公司 | Electronic fee-charging device for toll road vehicle |
| CN101510319B (en) * | 2009-03-06 | 2011-04-27 | 广州华工信息软件有限公司 | Multi-business zone electronic fee-charging roadway system and fee charging method thereof |
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- 2010-05-20 WO PCT/CN2010/073027 patent/WO2011023004A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778670A (en) * | 2013-04-15 | 2014-05-07 | 深圳市金溢科技有限公司 | BSRD-based vehicle following prevention method, positioning method, ETC method and system |
| CN103778670B (en) * | 2013-04-15 | 2016-04-27 | 深圳市金溢科技股份有限公司 | Car interference method, localization method, ETC method and system are followed based on the anti-of DSRC |
| CN103268642A (en) * | 2013-05-30 | 2013-08-28 | 安徽皖通科技股份有限公司 | ETC traffic lane car-following-preventing method based on double-queue technology |
| CN105741366A (en) * | 2015-12-17 | 2016-07-06 | 深圳市金溢科技股份有限公司 | Anti-car following disturbing transaction method, road side unit, and transaction system |
| CN105741366B (en) * | 2015-12-17 | 2019-01-15 | 深圳市金溢科技股份有限公司 | A kind of anti-interference with vehicle method of commerce, roadside unit and transaction system |
| CN115267379A (en) * | 2022-06-30 | 2022-11-01 | 中国第一汽车股份有限公司 | ETC vehicle-mounted unit automatic testing device and method and vehicle testing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101996424B (en) | 2012-07-18 |
| WO2011023004A1 (en) | 2011-03-03 |
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