CN103632399A - Ambiguous path information processing method, on board unit, on desk unit and system - Google Patents
Ambiguous path information processing method, on board unit, on desk unit and system Download PDFInfo
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- CN103632399A CN103632399A CN201210304162.5A CN201210304162A CN103632399A CN 103632399 A CN103632399 A CN 103632399A CN 201210304162 A CN201210304162 A CN 201210304162A CN 103632399 A CN103632399 A CN 103632399A
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Abstract
The invention discloses an ambiguous path information processing method, an on board unit, an on desk unit and a system. The ambiguous path information processing method comprises the following steps: the on board unit receives ambiguous path information sent by a beacon base station through a first antenna; the on board unit stores the received ambiguous path information in an IC card; and after receiving an information read command sent by the on desk unit, the on board unit sends the ambiguous path information to the on desk unit through a second antenna on the IC card. The on desk unit reads the ambiguous path information in the on board unit through a passive mode; and during the reading process, the on board unit does not need to consume power of a cell of itself, so that the service life of the on board unit can be prolonged.
Description
Technical field
The application relates to intelligent transportation (ITS:Intelligent Transportation System), relate in particular to a kind of ambiguous path information processing method, for board units (OBU:On Board Unit) and table-top unit (ODU:On Desk Unit, or read write device) and the system of ambiguous path recognition system.
Background technology
The ambiguous path recognition system of vehicle being charged for occasions such as highway, parking lots; the OBU installing on vehicle is generally and has comprised IC-card at interior compound visa card; a kind of concrete use procedure of this OBU is: first in expressway access; OBU on vehicle and ODU carry out communication, and ODU writes the IC-card in OBU by entrance information; When vehicle passes through a certain road, the beacon base station arranging on this road writes OBU by ambiguous path information; At expressway exit, OBU carries out communication with ODU again, and ODU reads ambiguity identification data in OBU and the entrance information in IC-card, information of vehicles etc., thereby completes the charge to vehicle.
Ambiguous path information is as the identifying information in board units approach path, can be operator charge foundation is provided, at present, when vehicle process beacon base station, beacon base station sends ambiguous path information by the antenna frequencies of 433MHz to OBU, OBU is stored in this ambiguous path information in corresponding storage unit, and while waiting vehicle to expressway exit, the antenna frequencies that ODU comes by 433MHz reads this ambiguous path information.But ODU reads this ambiguous path by 433MHz active mode, OBU need to utilize the sky alignment ODU of 433MHz to send ambiguous path information like this, has therefore consumed the battery electric quantity of OBU own, is unfavorable for working long hours of OBU.
Summary of the invention
The technical problem underlying that the application will solve is, a kind of ambiguous path information processing method, OBU, ODU and system are provided, and can save the power consumption of OBU.
According to the application's first aspect, the application provides a kind of ambiguous path information processing method, comprises the following steps:
The ambiguous path information that board units sends by the first antenna reception beacon base station;
Board units stores the ambiguous path information receiving in IC-card into;
Board units, after receiving the information reading command of ODU transmission, sends to ODU by the second antenna on described IC-card by ambiguous path information.
In a kind of embodiment, the frequency of described the second antenna transmitted signal is 125KHz-135KHz, 13.56MHz or 860MHz-960MHz.
In a kind of embodiment, the frequency of the first antenna receiving signal is 433MHz.
In a kind of embodiment, before the ambiguous path information that board units sends by the first antenna reception beacon base station, the communication function of described the first antenna is waken up; After described board units sends to described table-top unit by described ambiguous path information, the communication function of described the first antenna enters dormant state.
In a kind of embodiment, the ambiguous path information that described beacon base station sends, for the data through cryptographic calculation, before described board units stores in IC-card by the described ambiguous path information receiving, is also decrypted computing to described ambiguous path information.
According to the application's second aspect, the application also provides a kind of board units for ambiguous path recognition system, comprising:
The first antenna: the ambiguous path information sending for receiving beacon base station;
Control module: for ambiguous path information is stored in IC-card;
Signal transmitting module: comprise the second antenna being arranged on described IC-card, described the second antenna is for sending to ODU by ambiguous path information;
Power supply: for providing electric energy to control module.
In a kind of embodiment, signal transmitting module also comprises the first wireline interface, and the first wireline interface is for sending to ODU by ambiguous path information.
According to the application's the third aspect, it is a kind of for ambiguous path recognition system that the application also provides, and comprises table-top unit and beacon base station, also comprises the board units described in above any one
According to the application's fourth aspect, the application also provides a kind of table-top unit for ambiguous path recognition system, comprising:
Signal receiving module: comprise third antenna, the ambiguous path information that described third antenna sends by the second antenna on IC-card for receiving board units;
Read module: for receiving and process ambiguous path information.
In a kind of embodiment, signal receiving module also comprises for receiving board units by the second wireline interface of the ambiguous path information of the first wireline interface transmission.
In a kind of embodiment, the second wireline interface is ISO7816 contact interface.
The application's beneficial effect is: ambiguous path information processing method, OBU and ODU that the application provides, ODU can read the ambiguous path information that OBU stores in IC-card by passive mode, do not need to consume the electric weight of OBU internal cell, can extend the serviceable life of OBU.
In addition, for the ODU of ambiguous path recognition system, do not need to possess 433MHz wireless communication function yet, so just reduced the production cost of ODU.
Accompanying drawing explanation
Fig. 1 is the ambiguous path information processing method process flow diagram of a kind of embodiment of the application;
Fig. 2 is the OBU structured flowchart for ambiguous path recognition system of a kind of embodiment of the application;
Fig. 3 is the ODU structured flowchart for ambiguous path recognition system of a kind of embodiment of the application.
Embodiment
Below by embodiment, by reference to the accompanying drawings the application is described in further detail.
In the embodiment of the present application, the ODU of the positions such as the OBU in ambiguous path recognition system and expressway exit, EXIT carries out when mutual, antenna in ODU and OBU on IC-card carries out wireless telecommunications, thereby with passive mode, the ambiguous path information of storing in IC is read, read the electric weight that can not consume battery in OBU simultaneously, thereby extend the serviceable life of OBU.
Embodiment mono-:
Please refer to Fig. 1, the ambiguous path information processing method of the present embodiment comprises the following steps:
The ambiguous path information that step S100:OBU sends by the first antenna reception beacon base station.Particularly, when the vehicle of OBU being installed entering the positions such as expressway access, in OBU, the first antenna receives the wake-up signal of ODU, the communication function of the first antenna is waken up and communicates with ODU, and radio communication chain circuit is set up in while following the beacon base station in the arbitrary path of OBU process and beacon base station.Generally, OBU is the ambiguous path information with the frequency transmission of 433HHz by the first antenna reception beacon base station, and first beacon base station is encrypted computing to it before sending ambiguous path information to OBU, then the data after encrypting are sent to OBU.Wherein, the frequency of the first antenna receiving signal is also 433MHz, and certain the first antenna also can send ambiguous path information by other frequency ranges.In another kind of embodiment, the vehicle that OBU is installed carries out after communication through positions such as expressway accesses and with ODU, and the communication function of the first antenna enters dormant state; Then when OBU process arbitrary beacon base station, the first antenna receives the wake-up signal of beacon base station, and its communication function is waken up and receives the ambiguous path information that beacon base station sends; The communication function of the first antenna enters dormant state again afterwards, waits for and being waken up by the ODU of the positions such as next beacon base station or expressway exit.
Step S101:OBU stores the ambiguous path information receiving in IC-card into, particularly, OBU receives after the ambiguous path information of beacon base station transmission, ambiguous path information is decrypted after computing, utilizes control module that the ambiguous path information after this deciphering is directly stored in IC-card.
Step S102:OBU, after receiving the information reading command of ODU transmission, sends to ODU by the second antenna on IC-card by ambiguous path information.Because the IC-card in OBU itself has the second antenna and storer, therefore have communication function and information storage function concurrently, in OBU has entered the signal cover of ODU, the second antenna is just set up communication link with ODU, start the checking of both sides' identity information, after being verified, ODU sends information reading command to IC-card, IC-card, after receiving the information reading command of ODU transmission, utilizes the second antenna that the ambiguous path information of storage is sent to ODU.Wherein the frequency of the second antenna transmitted signal can be 125KHz-135KHz, 13.56MHz or 860MHz-960MHz, especially the conventional 13.56MHz in this area, accordingly, the frequency of the antenna reception ambiguous path information in ODU is also 125KHz-135KHz, 13.56MHz or 860MHz-960MHz, especially 13.56MHz.Concerning OBU, it utilizes the second day alignment ODU carrying on IC-card to send ambiguous path information, especially adopt the signal-obtaining mode with super band, substantially can not consume the battery electric quantity of OBU inside, therefore having realized the passive of ambiguous path information reads, with respect to OBU in prior art, utilize the sky alignment ODU of 433MHz to send ambiguous path information, the active situation that reads ambiguous path information of ODU is compared, the present embodiment has effectively been saved the electric weight of OBU inside, has so just extended the serviceable life of OBU.After this step, the communication function of the first antenna enters dormant state, waits for and being waken up next time
In addition, in prior art, OBU and this ODU carry out in mutual process, need to adopt the antenna frequencies of 433MHz to send after information reading command to OBU, recycle this antenna frequencies and read the entrance information of storing in the IC-card of OBU, then also need to adopt the antenna frequencies of 13.56MHz to read the ambiguous path information in OBU, be that ODU is double frequency reading device, and the application is by improving the reading manner of ambiguous path information, ODU only need adopt the antenna frequencies of 13.56MHz, can read ambiguous path information and entrance information in OBU, do not need to possess specially 433MHz wireless communication function, so just reduced the production cost of ODU.
In some embodiment, OBU also can send to ODU by ambiguous path information by the first wireline interface, and the first wireline interface can be ISO7816 contact interface, certainly also can be other interfaces, can play equally the effect of the electric energy of saving OBU.
Embodiment bis-:
As shown in Figure 2, be a kind of OBU structured flowchart for ambiguous path recognition system.OBU 20 comprises:
The first antenna 201: the ambiguous path information sending for receiving beacon base station, the frequency that receives signal can be 433MHz.According to the mode of embodiment mono-, when the vehicle that OBU is installed is during through expressway access or beacon base station, in OBU, the first antenna receives after the wake-up signal of ODU or beacon base station, communication function is waken up, then radio communication chain circuit is set up in OBU and beacon base station, can receive the ambiguous path information that beacon base station sends, this ambiguous path information is that beacon base station is through the data of cryptographic calculation.When OBU utilizes after signal transmitting module 203 sends to ODU by ambiguous path information, the communication function of the first antenna enters dormant state, or in another kind of embodiment, after OBU receives the ambiguous path information of beacon base station transmission and feeds back, the communication function of the first antenna can enter dormant state.
Control module 202: for ambiguous path information is stored in IC-card.In the present embodiment, OBU also further comprises deciphering module, for before control module 202 stores in IC-card by the ambiguous path information receiving, ambiguous path information is decrypted to computing.
Signal transmitting module 203: for after receiving the information reading command that ODU sends, the mode by passive communication sends to ODU by ambiguous path information.
Power supply 204: for providing electric energy to control module.
Wherein, signal transmitting module 203 comprises second antenna of production on IC-card, and the frequency of the second antenna transmitted signal can be 125KHz-135KHz, 13.56MHz or 860MHz-960MHz, especially the conventional 13.56MHz in this area.In addition, signal transmitting module 203 also can comprise the first wireline interface, and the first wireline interface is ISO7816 contact interface, certainly also can be other interfaces.
Embodiment tri-:
As shown in Figure 3, be a kind of ODU structured flowchart for ambiguous path recognition system.ODU 30 comprises:
Signal receiving module 301: receive the ambiguous path information that OBU sends for the mode by passive communication.
Read module 302: for receiving and process ambiguous path information.
Wherein, signal receiving module 301 comprises third antenna, and the frequency of third antenna transmitted signal can be 125KHz-135KHz, 13.56MHz or 860MHz-960MHz, especially the conventional 13.56MHz in this area.In addition, signal receiving module 301 also can comprise the second wireline interface, and the second wireline interface is ISO7816 contact interface, certainly also can be other interfaces.With respect to the ODU in prior art with double frequency communication function, because the ODU of the present embodiment is without possessing 433MHz wireless communication function, only need to have the wireless communication function of same frequency range, for receiving entrance information and the ambiguous path information from OBU, so just reduced the production cost of ODU.
Embodiment tetra-:
The OBU of above embodiment bis-can form ambiguous path recognition system with ODU and the beacon base station of embodiment tri-, this system is for the vehicle toll in the fields such as highway, parking lot, because system architecture is simple, cost is relatively cheap, therefore can further meet consumers' demand.
Above content is the further description of the application being done in conjunction with concrete embodiment, can not assert that the application's concrete enforcement is confined to these explanations.For the application person of an ordinary skill in the technical field, not departing under the prerequisite of the application's design, can also make some simple deduction or replace, all should be considered as belonging to the application's protection domain.
Claims (10)
1. an ambiguous path information processing method, is characterized in that, comprises the following steps:
The ambiguous path information that board units sends by the first antenna reception beacon base station;
Board units stores the described ambiguous path information receiving in IC-card into;
Board units, after receiving the information reading command of table-top unit transmission, sends to described table-top unit by the second antenna on described IC-card by described ambiguous path information.
2. the method for claim 1, is characterized in that, the frequency of described the second antenna transmitted signal is 125KHz-135KHz, 13.56MHz or 860MHz-960MHz.
3. the method for claim 1, is characterized in that, the frequency of described the first antenna receiving signal is 433MHz.
4. the method as described in any one in claim 1-3, is characterized in that, before the ambiguous path information that described board units sends by the first antenna reception beacon base station, the communication function of described the first antenna is waken up; After described board units sends to described table-top unit by described ambiguous path information, the communication function of described the first antenna enters dormant state.
5. the method as described in any one in claim 1-3, it is characterized in that, the described ambiguous path information that described beacon base station sends is the data through cryptographic calculation, described board units is also decrypted computing to described ambiguous path information before the described ambiguous path information receiving is stored in IC-card.
6. for a board units for ambiguous path recognition system, it is characterized in that, comprising:
The first antenna: the ambiguous path information sending for receiving beacon base station;
Control module: for described ambiguous path information is stored in IC-card;
Signal transmitting module: comprise the second antenna being arranged on described IC-card, described the second antenna is for sending to described table-top unit by described ambiguous path information;
Power supply: for providing electric energy to described control module.
7. board units as claimed in claim 6, is characterized in that, described signal transmitting module also comprises the first wireline interface, and described the first wireline interface is for sending to described table-top unit by described ambiguous path information.
8. for an ambiguous path recognition system, comprise table-top unit and beacon base station, it is characterized in that, also comprise the board units described in claim 6 or 7.
9. for a table-top unit for ambiguous path recognition system, comprising:
Signal receiving module: comprise third antenna, the ambiguous path information that described third antenna sends by the second antenna on IC-card for receiving board units;
Read module: for receiving and process described ambiguous path information.
10. table-top unit as claimed in claim 9, is characterized in that, described signal receiving module also comprises for receiving board units by the second wireline interface of the ambiguous path information of described the first wireline interface transmission.
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| CN201210304162.5A CN103632399A (en) | 2012-08-24 | 2012-08-24 | Ambiguous path information processing method, on board unit, on desk unit and system |
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| CN201210304162.5A CN103632399A (en) | 2012-08-24 | 2012-08-24 | Ambiguous path information processing method, on board unit, on desk unit and system |
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Address after: Nanshan District Keyuan Road Shenzhen city Guangdong province 518057 Tsinghua building A building 12 layer Applicant after: SHENZHEN GENVICT TECHNOLOGY CO., LTD. Address before: Nanshan District Keyuan Road Shenzhen city Guangdong province 518057 Tsinghua building A building 12 layer Applicant before: Shenzhen Jinyi Technologies Co., Ltd. |
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