CN105303209A - System for vehicle-mounted RFID information data relay transmission - Google Patents
System for vehicle-mounted RFID information data relay transmission Download PDFInfo
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- CN105303209A CN105303209A CN201510701120.9A CN201510701120A CN105303209A CN 105303209 A CN105303209 A CN 105303209A CN 201510701120 A CN201510701120 A CN 201510701120A CN 105303209 A CN105303209 A CN 105303209A
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Abstract
The invention discloses a system for vehicle-mounted RFID information data relay transmission, which comprises a vehicle-mounted receiving end, a vehicle-mounted relay end, and a vehicle-mounted transmitting end, wherein the vehicle-mounted receiving end is used for receiving signal data transmitted by surrounding vehicle-mounted transmitting ends or signal data transmitted by road-side transmitting ends; the vehicle-mounted relay end transmits the signal data received by the vehicle-mounted receiving end to surrounding other vehicle-mounted receiving ends and road-side receiving ends in a covering mode, or carries out amplification processing on the signal data received by the vehicle-mounted receiving end and then transmits the signal data to the surrounding other vehicle-mounted receiving ends and road-side receiving ends in a covering mode; and the vehicle-mounted transmitting end transmits the vehicle driving state parameters to the surrounding other vehicle-mounted receiving ends and the vehicle-mounted relay ends in a covering mode or transmits the parameters to the road-side receiving ends in a covering mode. Through building a relay system between vehicles, the problem that the metal vehicle body blocks RFID signals can be overcome, effective reading of the driving state parameters between the vehicles can be ensured, and the purposes of intelligent early warning and driving vehicle safety control can be realized.
Description
Technical field
The invention belongs to the intelligent management technical field of vehicle safe driving, mainly relate to a kind of based on RFID less radio-frequency and data relay transmission technology thereof, set up the method for the system of vehicle-mounted RFID information data relay transmission.
Background technology
Radio-frequency (RF) identification (RFID) is a kind of wireless communication technology, can read and write related data by radio signals identification specific objective, and without the need to setting up machinery or optical contact between recognition system and specific objective.The most important advantage of radio-frequency recognition system is contactless identification, and it can penetrate the rugged surroundings label reading that snow, mist, ice, coating, dust and dirt and bar code cannot use, and reading rate is exceedingly fast, in most cases less than 100 milliseconds.The literary sketch ability of active radio-frequency recognition system is also important advantage.Can be used for the interactive service such as flow tracking and maintenance tracking.
Wireless relay covers point usually by two AP module compositions, the employing SAI work pattern (client mode) of one of them AP, receive the wireless signal of last station AP as signal receiver, the pattern of another one AP adopts standard A P replace mode, is used for carrying out wireless coverage.Like this, wireless signal on the one hand one can carry out relay with standing for a moment, and form wireless relay, be on the other hand, each station all can realize local zone and cover.This kind of pattern can realize amplification and the continuity of network signal, for network construction solves apart from the problem on upper and obstacle.Wireless network is used more extensive, achieve many dreams that the user of cable network cannot be used to carry out network enjoy a trip to.
The safe driving of automobile, it is a topic of general concern today, due to socioeconomic development, sharply increasing of automobile quantity, the road traffic accident caused also is more and more, and traffic safety is not only a livelihood issues, especially a social concern and political issue, how effectively transport solution safety problem, this is the thing that supvr and scientific worker must pay attention to.
Due to the wireless transmission signal of RFID technique, metal level cannot be passed, metal surface has very strong reflective to it, utilize RFID technique to realize the object of safe and intelligent drive management system for solving, after under overcoming multilane situation, tall and big car body blocks, its car body metal cannot realize the problem of RFID radio signal transmission, and this is the technical barrier that must solve.
Summary of the invention
The present invention is for meeting road traffic safety management needs, realize how utilizing RFID technique to carry out intelligent early-warning judge the transport condition of nearby vehicle and immediately give security warning, take the object of effective and reasonable treatment measures, by setting up the system of vehicle-mounted RFID information data relay transmission, solving RFID technique cannot the difficulty of penetrating metal car body, and the safe and intelligent technology of novelty and the design of application have all been carried out in these aspects.
The reading to nearby vehicle transport condition parameter can be realized by RFID technique, realize intelligent early-warning or the further intelligent operation control of guarantee driving safety, but because the quorum sensing inhibitor ability of RFID module is inadequate, after radiofrequency signal is interfered, decay is severe, particularly at such as bend, as by under the road conditions that the crossing that crosses etc. is comparatively complicated, read write line just may be caused just effectively can not to read correlativity vehicle running state information parameter within the scope of safety requirements, thus cause the generation of security incident.Therefore also by arranging relay at the trackside in described complicated site, can ensure that the read write line reading end normally can read correlativity vehicle running state information parameter within the scope of safety requirements effectively.
Relay is provided with at complicated trackside, vehicle supervision department is by configuring RFID transmission cards module in relay, by writing the safety instruction about the not good site, section of road conditions, or issue control of traffic and road information command, traffic guiding navigation instruction, waits just simple and convenient to described driver through section, and stand compared with the large poster of billboard brush at trackside, ensure the higher sensible rate of instruction, thus improve the intelligent information level of road safety management greatly.
Further, if need to realize system-wide section uninterruptedly to read vehicle running state parameter, can consider to realize by carrying out the networking of system-wide section to link terminal, and adopt the low-power consumption sensor connected network communication technology-LPWAN of existing maturation, meet the problem interconnected between link terminal, and after vehicle running state data, pass the problem in Management System Data storehouse, thus realize the system-wide section of vehicle driving safety without dead angle monitoring management.
And the present invention is mainly by the technology mode of vehicle-mounted link terminal, realizes vehicle to the reading of the transport condition parameter of other vehicles of periphery and effective relay transmission, also overcome the stop problem of metal car body to RFID signal equally.Decayed after being interfered by relaying amplification solution radiofrequency signal severe problem, by the mutual signal relay services of vehicle-mounted link terminal, solve as bend, under the comparatively complicated road conditions such as crossing that cross, read write line may be caused just can not effectively to read within the scope of safety requirements, the problem of all edge coherence vehicle running state informations parameter.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, has following technology and application advantage:
1, adopt widely used RFID technique, cost is lower, applies more convenient, and the unification of applicable government is mandatory to be popularized.
2, conveniently configure on all vehicles, the effectively collaborative of early warning disposal can be formed, dangerous to overcoming the vehicle emergency circumstance, reduction accident odds more has reliability, this is compared with the vehicle safety technology of existing single-mode, has special meaning of overall importance to support vehicles safe driving.
3, set up car networking system and the support of sensing data chain is provided, more intelligent driving and unmanned will be realized to future, information acquisition and data processing support are provided, there is important basic technology and be worth.
4, set up the vehicle running intelligent data tracking of system-wide section, safe early warning fast and accurately of can providing convenience, improve the intelligent information level of road safety management widely.
5, build vehicle repeater architecture each other, ensure effective reading of nearby vehicle transport condition parameter each other, thus realize the object of intelligent early-warning and security control driving vehicle.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, described system comprises:
Vehicle-mounted receiving end, the signal data that the vehicle transmitting end receiving periphery is launched, or receive the signal data of trackside launch terminal transmitting.
Vehicle-mounted relay, by the signal data that vehicle-mounted receiving end receives, covers and is transmitted to other vehicle-mounted receiving terminals of periphery and trackside receiving terminal; Or after the signal data received by vehicle-mounted receiving end carries out amplification process, then covering is transmitted to other vehicle-mounted receiving terminals of periphery and trackside receiving terminal.
Vehicle transmitting end, is transmitted to other vehicle-mounted receiving ends of periphery and vehicle-mounted relay by the transport condition parameters distribution of this car, or covering is transmitted to trackside receiving terminal.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, described system or also comprise trackside relay, wherein trackside receiving terminal, for passing to backstage center system by after the vehicle driving states parameter of reception, realizes the receiving function of trackside relay.
Further, described trackside relay or also comprise trackside launch terminal, described trackside launch terminal is that the supervisory instruction parameters distribution of backstage center system is transmitted to the vehicle-mounted receiving terminal of periphery, realizes the emission function of trackside relay.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, the safety instruction early warning distance of described vehicle-mounted receiving end setting and periphery driving vehicle, automatically kicked out of at the readable traveling state parameter of setting safety instruction early warning distance other vehicles outer, Vehicular display device is not shown.
Further, or in the track having intermediate isolating band, on opposite direction track, driving vehicle does not show on Vehicular display device.
Further, or in the track having intermediate isolating band, in the other direction higher the or special vehicle of the described danger of lanes shows on Vehicular display device, includes the management of safety instruction early warning information in.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, the instant distance of described system automatic setting-up time period measurement and periphery driving vehicle, and sync mark display on Vehicular display device.
Its instant distance measured is as the criterion to the vehicle-mounted actual air line distance reading end of this car with the vehicle transmitting end of other vehicles of periphery, and described assay method comprises:
By each vehicle transmitting end and or trackside relay, utilize RFID triangulation measure obtain.
Utilize direct measuring after loading satnav chip reading geo-location parameter to obtain, or measure acquisition after generating according to electronic chart punctuate again.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, the signal parameter that described same vehicle transmitting end is launched, when being had the vehicle-mounted relay of difference and the trackside relay of covering power by periphery, and self vehicle transmitting end carry out Multi-path synchronous cover launch time, described vehicle-mounted receiving end carries out playback to signal parameter and arranges, and show tags is same vehicle transmitting end points over the display.
Further, maybe after vehicle having been carried out to encode identification management, vehicle-mounted receiving end carries out playback to signal parameter and arranges, and show tags is same coding vehicle over the display.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, when the signal parameter of the vehicle transmitting end transmitting of described same car carries out Multi-path synchronous covering transmitting, when described signal occurs loss of data because of interference, vehicle-mounted receiving end carries out automaticdata reparation to multipath reception signal parameter.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, the signal parameter that the vehicle transmitting end of described same car is launched carries out Multi-path synchronous covering transmitting, when because of signal disturbing measuring and calculating distance value occur each other deviation time, with the vehicle transmitting end signal parameter directly obtained for reference value, other repeating signal parameters are as correction reference value; Or with less handover number or stronger signal source parameter for reference value, other numerical value are as correction reference value.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, can utilize the mobile communication system of operator to build vehicle-mounted junction traffic system, in car-mounted terminal, load SIM card, realize transmitting or the reading of information data relaying.
Further, the described SIM card loaded in car-mounted terminal, or adopt and conventional mobile communications unlike signal frequency range, avoid producing signal disturbing.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, described trackside relay utilizes the base stations in mobile communication system of operator to implement trackside junction traffic, described base station or adopt different special frequency ranges from conventional mobile communications, avoids producing signal disturbing.
The system setting up vehicle-mounted RFID information data relay transmission of the present invention, described vehicle-mounted relay according to vehicle not coexist on compact car body sole disposition or on large-scale car body Multipoint weighting, the effective covering being convenient to signal is launched.
Accompanying drawing explanation
Fig. 1 is the business module pie graph that the present invention sets up the system of vehicle-mounted RFID information data relay transmission.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described.Should be appreciated that embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Below by way of the relay services specific embodiment how realizing vehicle transport condition signal parameter each other, further illustrate the system that the present invention sets up vehicle-mounted RFID information data relay transmission, when because of the metal car body of front truck or large car, vehicle stops that nearby vehicle transport condition parameter reads, how to realize effectively reading by vehicle-mounted relay, early warning, and the technology implementation process of the corresponding manipulation of intelligence.
1, vehicle-mounted RFID receiving terminal reads nearby vehicle RFID launch terminal and covers the transport condition parameter of launching; Or the RFID transmitter module that the RFID information data reception module of car-mounted terminal reads nearby vehicle car-mounted terminal covers the transport condition parameter of launching.
2, the RFID information data reception module of described vehicle-mounted RFID receiving terminal or car-mounted terminal, submits to vehicle-mounted relay by the information data of reading.
3, vehicle-mounted relay or further signal is amplified.
4, vehicle-mounted relay will obtain signal, then with self site for round dot to periphery cover launch.
5, when signal source covers in effective setting range, associated vehicles is this information data of synchronized repeated all.
6, the RFID information data reception module of vehicle-mounted RFID receiving terminal or car-mounted terminal, obtains the vehicle running state parameter signal source of being blocked by front truck or oversize vehicle.
7, cab signal data processing terminal is according to the signal data obtained, and judges this vehicle travelling state, and vehicle-mounted display terminal is made the prompting of corresponding safe early warning.
8 or by signal data parameter access Vehicular intelligent Control management system, realize the Intelligent control that vehicle is corresponding to this car information data.
In sum, the system setting up vehicle-mounted RFID information data relay transmission of the present invention, described system comprises: vehicle-mounted receiving end, the signal data that the vehicle transmitting end receiving periphery is launched, or receives the signal data of trackside launch terminal transmitting; Vehicle-mounted relay, by the signal data that vehicle-mounted receiving end receives, covers and is transmitted to other vehicle-mounted receiving terminals of periphery and trackside receiving terminal; Or after the signal data received by vehicle-mounted receiving end carries out amplification process, then covering is transmitted to other vehicle-mounted receiving terminals of periphery and trackside receiving terminal; Vehicle transmitting end, is transmitted to other vehicle-mounted receiving ends of periphery and vehicle-mounted relay by the transport condition parameters distribution of this car, or covering is transmitted to trackside receiving terminal.The present invention, by building vehicle repeater architecture each other, overcomes the problem that metal car body blocks RFID signal, ensures effective reading of vehicle transport condition parameter each other, thus realizes the object of intelligent early-warning and security control driving vehicle.
Claims (10)
1. set up the system of vehicle-mounted RFID information data relay transmission, be characterised in that described system comprises:
Vehicle-mounted receiving end, the signal data that the vehicle transmitting end receiving periphery is launched, or receive the signal data of trackside launch terminal transmitting;
Vehicle-mounted relay, by the signal data that vehicle-mounted receiving end receives, covers and is transmitted to other vehicle-mounted receiving terminals of periphery and trackside receiving terminal; Or after the signal data received by vehicle-mounted receiving end carries out amplification process, then covering is transmitted to other vehicle-mounted receiving terminals of periphery and trackside receiving terminal;
Vehicle transmitting end, is transmitted to other vehicle-mounted receiving ends of periphery and vehicle-mounted relay by the transport condition parameters distribution of this car, or covering is transmitted to trackside receiving terminal.
2. set up the system of vehicle-mounted RFID information data relay transmission according to claim 1, be characterised in that described system or also comprise trackside relay, wherein trackside receiving terminal, for passing to backstage center system by after the vehicle driving states parameter of reception, realizes the receiving function of trackside relay;
Further, described trackside relay or also comprise trackside launch terminal, described trackside launch terminal is that the supervisory instruction parameters distribution of backstage center system is transmitted to the vehicle-mounted receiving terminal of periphery, realizes the emission function of trackside relay.
3. set up the system of vehicle-mounted RFID information data relay transmission according to claim 1, be characterised in that the safety instruction early warning distance of described vehicle-mounted receiving end setting and periphery driving vehicle, automatically kicked out of at the readable traveling state parameter of setting safety instruction early warning distance other vehicles outer, Vehicular display device is not shown;
Further, or in the track having intermediate isolating band, on opposite direction track, driving vehicle does not show on Vehicular display device;
Further, or in the track having intermediate isolating band, in the other direction higher the or special vehicle of the described danger of lanes shows on Vehicular display device, includes the management of safety instruction early warning information in.
4. set up the system of vehicle-mounted RFID information data relay transmission according to claim 3, be characterised in that the instant distance of described system automatic setting-up time period measurement and periphery driving vehicle, and sync mark display on Vehicular display device;
Its instant distance measured is as the criterion to the vehicle-mounted actual air line distance reading end of this car with the vehicle transmitting end of other vehicles of periphery, and described assay method comprises:
By each vehicle transmitting end and or trackside relay, utilize RFID triangulation measure obtain;
Utilize direct measuring after loading satnav chip reading geo-location parameter to obtain, or measure acquisition after generating according to electronic chart punctuate again.
5. set up the system of vehicle-mounted RFID information data relay transmission according to claim 1, be characterised in that the signal parameter that described same vehicle transmitting end is launched, when being had the vehicle-mounted relay of difference and the trackside relay of covering power by periphery, and self vehicle transmitting end carry out Multi-path synchronous cover launch time, described vehicle-mounted receiving end carries out playback to signal parameter and arranges, and show tags is same vehicle transmitting end points;
Further, maybe after vehicle having been carried out to encode identification management, vehicle-mounted receiving end carries out playback to signal parameter and arranges, and show tags is same coding vehicle.
6. set up the system of vehicle-mounted RFID information data relay transmission according to claim 5, be characterised in that the signal parameter that the vehicle transmitting end of described same car is launched carries out Multi-path synchronous covering transmitting, when described signal occurs loss of data because of interference, vehicle-mounted receiving end carries out data restore to multipath reception signal parameter.
7. set up the system of vehicle-mounted RFID information data relay transmission according to claim 5, be characterised in that the signal parameter that the vehicle transmitting end of described same car is launched carries out Multi-path synchronous covering transmitting, when because of signal disturbing measuring and calculating distance value occur each other deviation time, with the vehicle transmitting end signal parameter directly obtained for reference value, other repeating signal parameters are as correction reference value; Or with less handover number or stronger signal source parameter for reference value, other numerical value are as correction reference value.
8. set up the system of vehicle-mounted RFID information data relay transmission according to claim 1, be characterised in that and utilize the mobile communication system of operator to build vehicle-mounted junction traffic system, in car-mounted terminal, load SIM card, realize transmitting or the reading of information data relaying;
Further, the described SIM card loaded in car-mounted terminal, or adopt and conventional mobile communications unlike signal frequency range, avoid producing signal disturbing.
9. set up the system of vehicle-mounted RFID information data relay transmission according to claim 1, be characterised in that described trackside relay utilizes the base stations in mobile communication system of operator to implement trackside junction traffic, described base station or adopt different special frequency ranges from conventional mobile communications, avoids producing signal disturbing.
10. set up the system of vehicle-mounted RFID information data relay transmission according to claim 1, be characterised in that described vehicle-mounted relay according to vehicle not coexist on compact car body sole disposition or on large-scale car body Multipoint weighting, the effective covering being convenient to signal is launched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701120.9A CN105303209A (en) | 2015-10-27 | 2015-10-27 | System for vehicle-mounted RFID information data relay transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701120.9A CN105303209A (en) | 2015-10-27 | 2015-10-27 | System for vehicle-mounted RFID information data relay transmission |
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| CN105303209A true CN105303209A (en) | 2016-02-03 |
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| CN201510701120.9A Withdrawn CN105303209A (en) | 2015-10-27 | 2015-10-27 | System for vehicle-mounted RFID information data relay transmission |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781694A (en) * | 2016-12-27 | 2017-05-31 | 乐视汽车（北京）有限公司 | Vehicle on highway safety early warning device, system and method |
| CN107981540A (en) * | 2017-12-07 | 2018-05-04 | 常州市凯迪电器股份有限公司 | The desk dock quickly assembled |
| CN109484403A (en) * | 2018-11-20 | 2019-03-19 | 深圳大学 | Intelligent auxiliary driving method and system |
| CN112050826A (en) * | 2020-09-14 | 2020-12-08 | 深圳市掌锐电子有限公司 | Low-delay high-definition AR multi-path navigation system |
| CN112197786A (en) * | 2020-09-09 | 2021-01-08 | 深圳市掌锐电子有限公司 | AR navigation pre-display cruise system based on live-action feedback |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003244064A (en) * | 2002-02-19 | 2003-08-29 | Denso Corp | Multi-hop on-vehicle apparatus, multi-hop server, multi- hop on-road apparatus, and multi-hop communication method |
| JP2004304655A (en) * | 2003-03-31 | 2004-10-28 | Toyota Infotechnology Center Co Ltd | Data relay system, data relay program, recording medium, and data relay method |
| CN101985268A (en) * | 2010-05-17 | 2011-03-16 | 中电国科(北京)科技有限公司 | Wireless monitor system for automobile tire pressure and temperature |
| CN103685345A (en) * | 2012-09-04 | 2014-03-26 | 杨新宇 | Vehicular networking system and method based on relay signal transmission |
| CN104574563A (en) * | 2014-09-02 | 2015-04-29 | 深圳市金溢科技股份有限公司 | Car-mounted terminal of proprietary vehicle, car-mounted terminal, information issuing method and information issuing system |
-
2015
- 2015-10-27 CN CN201510701120.9A patent/CN105303209A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003244064A (en) * | 2002-02-19 | 2003-08-29 | Denso Corp | Multi-hop on-vehicle apparatus, multi-hop server, multi- hop on-road apparatus, and multi-hop communication method |
| JP2004304655A (en) * | 2003-03-31 | 2004-10-28 | Toyota Infotechnology Center Co Ltd | Data relay system, data relay program, recording medium, and data relay method |
| CN101985268A (en) * | 2010-05-17 | 2011-03-16 | 中电国科(北京)科技有限公司 | Wireless monitor system for automobile tire pressure and temperature |
| CN103685345A (en) * | 2012-09-04 | 2014-03-26 | 杨新宇 | Vehicular networking system and method based on relay signal transmission |
| CN104574563A (en) * | 2014-09-02 | 2015-04-29 | 深圳市金溢科技股份有限公司 | Car-mounted terminal of proprietary vehicle, car-mounted terminal, information issuing method and information issuing system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781694A (en) * | 2016-12-27 | 2017-05-31 | 乐视汽车（北京）有限公司 | Vehicle on highway safety early warning device, system and method |
| CN107981540A (en) * | 2017-12-07 | 2018-05-04 | 常州市凯迪电器股份有限公司 | The desk dock quickly assembled |
| CN107981540B (en) * | 2017-12-07 | 2023-10-27 | 常州市凯迪电器股份有限公司 | Rapidly assembled desktop support |
| CN109484403A (en) * | 2018-11-20 | 2019-03-19 | 深圳大学 | Intelligent auxiliary driving method and system |
| CN112197786A (en) * | 2020-09-09 | 2021-01-08 | 深圳市掌锐电子有限公司 | AR navigation pre-display cruise system based on live-action feedback |
| CN112197786B (en) * | 2020-09-09 | 2021-09-10 | 深圳市掌锐电子有限公司 | AR navigation pre-display cruise system based on live-action feedback |
| CN112050826A (en) * | 2020-09-14 | 2020-12-08 | 深圳市掌锐电子有限公司 | Low-delay high-definition AR multi-path navigation system |
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