CN105187545A - Car-to-car communication system and car-to-car communication method - Google Patents
Car-to-car communication system and car-to-car communication method Download PDFInfo
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- CN105187545A CN105187545A CN201510621412.1A CN201510621412A CN105187545A CN 105187545 A CN105187545 A CN 105187545A CN 201510621412 A CN201510621412 A CN 201510621412A CN 105187545 A CN105187545 A CN 105187545A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
Abstract
The present invention provides a car-to-car communication system and a car-to-car communication method. The car-to-car communication system comprises an infrared ray module used for receiving the identification information coming from each surrounding vehicle; a wireless communication module used for receiving the traveling reference information coming from the plurality of surrounding vehicles; and a processing unit coupled with the infrared ray module and the wireless communication module, wherein when the infrared ray module receives the identification information, the processing unit records the reception time corresponding to each identification information, decides the relative positions of a main vehicle and the plurality of surrounding vehicles according to the plurality of reception time, gives the different priority sequences to the plurality of surrounding vehicles according to the relative positions of the main vehicle and the plurality of surrounding vehicles and the traveling intention of the main vehicle, and preferentially processes the traveling reference information coming from the surrounding vehicle having the highest priority sequence, thereby improving the stability and reliability of the system.
Description
Technical field
The present invention relates to a kind of car to car communication system and car to the car means of communication, espespecially a kind of car of the driving REFERENCE INFORMATION adopting infrared ray module to provide driver instant to car communication system and car to the car means of communication.
Background technology
In order to promote the demand of traffic safety, Ge Jia depot is invariably energetically the drive assist system (AdvancedDriverAssistanceSystems of advanced person, ADAS) be classified as standard automobile to be equipped with, ADAS can be driver provides the relevent information such as the operative scenario of vehicle and the change of car external environment to analyze, and warn contingent unsafe condition in advance, allow driver take ahead of time in response to measure, avoid traffic accident to occur.But single ADAS can only provide the enhancement of this car traffic safety, if share the ADAS driving REFERENCE INFORMATION of this car to other vehicle through wireless communication technique, overall traffic safety just can be promoted further.Therefore, car just becomes an important topic of Ge Jia depot development to car mechanics of communication (Vehicle-to-Vehiclecommunication).
Car to car mechanics of communication technology, also must be transmitted through existing basic packet-switched network (Package-SwitchedNetwork) and runs, can form car networking or Internet of Things further except linking up at car and workshop.Can include in Package-SwitchedNetwork package medium plan (MediaAccessControl, MAC) address and Internet agreement (InternetProtocol, IP) address do point-to-point transmission.But for Vehicle-to-Vehiclecommunication, car and car periphery exist to change, especially on the highway of running at high speed, change is more rapidly, in order to obtain correct, instant, useful traffic safety message, this Package-SwitchedNetwork package framework can seem not enough.Therefore, there is expert's research and utilization global positioning system (GlobalPositioningSystem, the coordinate parameters of GPS)/GLONASS (Global Navigation Satellite System) (GlobalNavigationSatelliteSystem, GNSS) running acquisition adds in this Vehicle-to-Vehiclecommunication package.For example, multiple vehicle utilizes global positioning system (GlobalPositioningSystem, GPS)/GLONASS (Global Navigation Satellite System) (GlobalNavigationSatelliteSystem, GNSS) coordinate is obtained, then the package solution that each vehicle broadcasts out translates different coordinates, then finds out contiguous vehicle through coordinate, collects the effective package of adjacent vehicle, and ignore the package of non-adjacent vehicle, obtain correct, instant, useful traffic safety message to promote.And global positioning system (GlobalPositioningSystem, GPS)/GLONASS (Global Navigation Satellite System) (GlobalNavigationSatelliteSystem, GNSS) the about renewal per second of the coordinate obtained once, for for the automobile of running at high speed, the coordinate package instantaneity adding GPS/GNSS acquisition can reduce, that is relatively reduces the instant usefulness linked up between car and car.
Therefore, a kind of novel car of design is necessary to car communication system and car to the car means of communication, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of car to car communication system and car to the car means of communication, it can provide immediately useful driving REFERENCE INFORMATION in automobile in driving process.
For achieving the above object, the invention provides a kind of car to car communication system, being arranged in main vehicle, there are many nearby vehicle in this main vehicle periphery, this car comprises car communication system: infrared ray module, in order to receive the identification information from each nearby vehicle; Wireless telecommunications module, in order to receive the driving REFERENCE INFORMATION from these many nearby vehicle; And processing unit, couple this infrared ray module and this wireless telecommunications module; Wherein, when this infrared ray module receives this identification information, the time of reception that this this identification information of processing unit record and each is corresponding, this processing unit determines the relative position between this main vehicle and this many nearby vehicle according to this time of reception multiple, this processing unit is intended to according to the relative position between this main vehicle and this many nearby vehicle and advancing of this main vehicle again, give the priority that these many nearby vehicle are different, this processing unit priority treatment is from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority.
Preferably, this identification information is address information; This infrared ray module comprises the first infrared transmit receive unit and the second infrared transmit receive unit, this first infrared transmit receive unit and this second infrared transmit receive unit are arranged with the axisymmetrical in the travel direction of this main vehicle, and this first infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with this second infrared transmit receive unit; Wherein, when this first infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the first time of reception that this processing unit record is corresponding; When this second infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the second time of reception that this processing unit record is corresponding; The time difference of this processing unit foundation this first time of reception corresponding with each address information and this second time of reception determines the relative position between this main vehicle and this many nearby vehicle.
Preferably, this infrared ray module also comprises the 3rd infrared transmit receive unit and the outer transmit receive unit of quatre, 3rd infrared transmit receive unit and the outer transmit receive unit of this quatre are arranged at the rear portion of this main vehicle with this axisymmetrical in the travel direction of this main vehicle, the 3rd infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with the outer transmit receive unit of this quatre; Wherein, when the 3rd infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the 3rd time of reception that this processing unit record is corresponding; When the outer transmit receive unit of this quatre receives the address information of each corresponding nearby vehicle, the 4th time of reception that this processing unit record is corresponding; This processing unit determines the relative position between this main vehicle and this many nearby vehicle according to time difference of two time of receptions corresponding with each address information in this first time of reception, this second time of reception, the 3rd time of reception and the 4th time of reception.
Preferably, the outer transmit receive unit of this first infrared transmit receive unit, this second infrared transmit receive unit, the 3rd infrared transmit receive unit and this quatre is symmetricly set in four corner positions of this main vehicle respectively.
Preferably, when this processing unit judges that the difference of this first time of reception and this second time of reception is less than or equal to the first preset value, then judge that this nearby vehicle is positioned at the dead ahead of this main vehicle; When this processing unit judges that this first time of reception is before this second time of reception and the difference of this first time of reception and this second time of reception equals the second preset value or in this preset range, then judge that this nearby vehicle is positioned at the left front of this main vehicle; When this processing unit judges that this first time of reception is after this second time of reception and the difference of this first time of reception and this second time of reception equals the second preset value or in a preset range, then judge that this nearby vehicle is positioned at the right front of this main vehicle.
Preferably, this processing unit controls the driving REFERENCE INFORMATION of this wireless telecommunications module according to different these many nearby vehicle of priority received in sequence of these many nearby vehicle.
For achieving the above object, the invention provides a kind of car to the car means of communication, comprising step: S001, utilize infrared ray module to receive from the identification information of many nearby vehicle; S002, when this infrared ray module receives this identification information, record the time of reception that each this identification information is corresponding; S003, determine the relative position between main vehicle and this many nearby vehicle according to this time of reception multiple; S004, to be intended to according to the relative position between this main vehicle and this many nearby vehicle and advancing of this main vehicle, to give the priority that these many nearby vehicle are different; And S005, priority treatment is from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority.
Preferably, this identification information is address information; Infrared ray module comprises the first infrared transmit receive unit and the second infrared transmit receive unit, this first infrared transmit receive unit and this second infrared transmit receive unit are arranged with the axisymmetrical in the travel direction of this main vehicle, and this first infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with this second infrared transmit receive unit;
Step S002 comprises: when this first infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the first time of reception that record is corresponding; When this second infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the second time of reception that record is corresponding;
Step S003 is: the time difference of foundation this first time of reception corresponding with each address information and this second time of reception determines the relative position between this main vehicle and this many nearby vehicle.
Preferably, this infrared ray module also comprises the 3rd infrared transmit receive unit and the outer transmit receive unit of quatre, and the 3rd infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with the outer transmit receive unit of this quatre;
Step S002 also comprises: when the 3rd infrared transmit receive unit receives each corresponding this address information, the 3rd time of reception that record is corresponding; When the outer transmit receive unit of this quatre receives each corresponding this address information, the 4th time of reception that record is corresponding;
Step S003 is: the time difference according to two time of receptions corresponding with each address information in this first time of reception, this second time of reception, the 3rd time of reception and the 4th time of reception determines the relative position between this main vehicle and this many nearby vehicle.
Preferably, before step S005, also step is comprised: receive the driving REFERENCE INFORMATION from these many nearby vehicle.
Preferably, step S005 is: preferential receipt is from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority.
Compared with prior art, car provided by the invention is to car communication system and car to the car means of communication, and time of reception when being received the identification information of nearby vehicle by infrared ray module determines the relative position between vehicle, improves stability and the reliability of system; Priority treatment, from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority, provides correctly useful driving REFERENCE INFORMATION, guarantee driving safety.
Accompanying drawing explanation
Fig. 1 is that the car of one embodiment of the invention is to the structural frames of car communication system;
Fig. 2 is that one embodiment of the invention infrared ray module has the car of four infrared transmit receive units to car communication system architectures block diagram;
Fig. 3 is schematic diagram road existing many vehicles;
Fig. 4 is that the main vehicle C5 of the embodiment of the present invention judges that vehicle C2 is positioned at the schematic diagram in dead ahead;
Fig. 5 is that the main vehicle C5 of the embodiment of the present invention judges that vehicle C3 is positioned at the schematic diagram of right front;
Fig. 6 is that the car of one embodiment of the invention is to the flow chart of the car means of communication;
Fig. 7 is that the car of another embodiment of the present invention is to the flow chart of the car means of communication;
Fig. 8 is that the car of further embodiment of this invention is to the flow chart of the car means of communication;
Fig. 9 is that the car of further embodiment of this invention is to the flow chart of the car means of communication.
Embodiment
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
Some vocabulary is employed to censure specific element in the middle of specification and claims.Person with usual knowledge in their respective areas should understand, and same element may be called by manufacturer with different nouns.This specification and claims book is not used as the mode of distinguish one element from another with the difference of title, but is used as the criterion of differentiation with element difference functionally." comprising " mentioned in the middle of specification and claim is in the whole text open term, therefore should be construed to " including but not limited to ".
Shown in Fig. 5, disclose the structural representation of car of the present invention to the first embodiment of car communication system; Car comprises infrared ray module 1, wireless telecommunications module 2, processing unit 3, electronic control unit 4, mnemon 5 and display unit 6 to car communication system 100, and wherein processing unit 3 is electrically connected at infrared ray module 1, wireless telecommunications module 2, electronic control unit 4, mnemon 5 and display unit 6.In practical application, infrared ray module 1 can be made up of infrared transmitting tube and infrared receiving tube; Wireless telecommunications module 2 can be WiFi module, bluetooth (bluetooth) module or other wireless telecommunications module; Processing unit 3 can be the processor or controller with data processing capacity; Electronic control unit 4 can be vehicle PC controller; Mnemon 5 can be memory body or other data storage device; Display unit 6 can be liquid crystal display or other display.
As shown in Figure 3, road exists multiple vehicle C1-C9.In this embodiment, vehicle C5 is defined as main vehicle, and vehicle C1-C4, C6-C9 are defined as the nearby vehicle of main vehicle C5.Above-mentioned car is arranged in main vehicle C5 car communication system 1, and there is many nearby vehicle C1-C4, C6-C9 around main vehicle C5.In this embodiment, each vehicle C1-C9 all can utilize wireless communication mode to provide respective driving REFERENCE INFORMATION to carry out driving judgement to other vehicle, and its middle rolling car REFERENCE INFORMATION can be the real-time road condition image captured by each vehicle C1-C9, but not as limit.
Car is arranged in main vehicle C5 to car communication system 100, and the driver of main vehicle C5 can pass through car of the present invention and car communication system 100 seen to the driving REFERENCE INFORMATION provided depending on nearby vehicle C1-C4, C6-C9.First, infrared ray module 1 can receive the identification information of each nearby vehicle C1-C4 of autonomous vehicle C5, C6-C9.In addition, wireless telecommunications module 2 can receive the driving REFERENCE INFORMATION from each nearby vehicle C1-C4, C6-C9.Wherein, identify that information can be address information, this address information comprises medium plan (MediaAccessControl, MAC) address and Internet agreement (InternetProtocol, IP) address, for carrying out identification to the nearby vehicle C1-C4 be in mutual communication, C6-C9.
Processing unit 3 receives each nearby vehicle C1-C4 at infrared ray module 1, during the identification information of C6-C9, record infrared ray module 1 receives time of reception corresponding when each identifies information, processing unit 3 determines main vehicle C5 and nearby vehicle C1-C4 according to this time of reception multiple, relative position between C6-C9, as shown in Figure 2, nearby vehicle C1 is the left front being relatively positioned at main vehicle C5, vehicle C2 is the dead ahead being relatively positioned at main vehicle C5, vehicle C3 is the right front being relatively positioned at main vehicle C5, vehicle C4 is the left side being relatively positioned at main vehicle C5, vehicle C6 is the right side being relatively positioned at main vehicle C5, vehicle C7 is the left back being relatively positioned at main vehicle C5, vehicle C8 is positioned at the dead astern of main vehicle C5 and vehicle C9 is the right back being relatively positioned at main vehicle C5 relatively.Processing unit 3 is intended to according to the relative position between main vehicle C5 and nearby vehicle C1-C4, C6-C9 and advancing of main vehicle C5 again, give the priority that nearby vehicle C1-C4, C6-C9 are different, then, priority treatment is from the driving REFERENCE INFORMATION of nearby vehicle with the highest priority again for processing unit 3, thus the system that improves transmits the promptness of useful driving REFERENCE INFORMATION.
Refer to Fig. 2, in the present embodiment, infrared ray module 1 comprises the first infrared transmit receive unit 11, second infrared transmit receive unit 12, 3rd infrared transmit receive unit 13 and the outer transmit receive unit 14 of quatre, first infrared transmit receive unit 11, second infrared transmit receive unit 12, 3rd infrared transmit receive unit 13 and the outer transmit receive unit 14 of quatre are symmetrically distributed on main vehicle C5, to meet the nearby vehicle C1-C4 that main vehicle C5 receives contiguous main vehicle C5 respectively, C6-C9 sends to the address information of main vehicle C5, that is, nearby vehicle C1-C4, respective address information is sent to the first infrared transmit receive unit 11 on main vehicle C5 by C6-C9 respectively, second infrared transmit receive unit 12, wherein two of the outer transmit receive unit 14 of 3rd infrared transmit receive unit 13 and quatre, certainly three or four also can be sent to as required accurately to distinguish and location nearby vehicle C1-C4, the relative position of C6-C9 and main vehicle C5, see Fig. 4, first infrared transmit receive unit 11 and the second infrared transmit receive unit 12 are symmetricly set in the front portion of main vehicle C5 with the axis Z on the travel direction D1 of main vehicle C5, 3rd infrared transmit receive unit 13 and the outer transmit receive unit 14 of quatre are also symmetricly set in the rear portion of main vehicle C5 with the axis Z on the travel direction D1 of main vehicle C5, and the first infrared transmit receive unit 11, second infrared transmit receive unit 12, the outer transmit receive unit 14 of 3rd infrared transmit receive unit 13 and quatre is symmetric with the central point of main vehicle C1 or the central point of showing greatly main vehicle C1 is symmetric, the system that is beneficial to accepts the nearby vehicle C1-C4 come in the orientation of autonomous vehicle C5 surrounding under impartial testing conditions, the address information N1-N4 of C6-C9, N6-N9.Preferably, the infrared transmission of first infrared transmit receive unit 11, second receives four corner positions that the outer transmit receive unit 14 of list 12 yuan, the 3rd infrared transmit receive unit 13 and quatre is symmetricly set in main vehicle C5 respectively, as being arranged at the car light position, four front and back of main vehicle C5 respectively.In another embodiment, infrared ray module 1 only comprises the first infrared transmit receive unit 11 and the second infrared transmit receive unit 12, car can judge the position relationship of the relative main vehicle C5 of nearby vehicle C1-C4, C6-C9 by the first infrared transmit receive unit 11 and the second infrared transmit receive unit 12 to car communication system, certainly, in other execution modes, also more infrared transmit receive unit can be set according to actual needs.
When the first infrared transmit receive unit 11 receives the address information of each corresponding nearby vehicle C1-C4, processing unit 3 records the first corresponding time of reception t1n (t11, t12, t13, t14) respectively; When the second infrared transmit receive unit 12 receive each corresponding nearby vehicle C1-C3, C6 address information time, processing unit 3 records the second corresponding time of reception t2n (t21, t22, t23, t16) respectively; When the 3rd infrared transmit receive unit 13 receive each corresponding nearby vehicle C4, C7-C9 address information time, processing unit 3 records the 3rd corresponding time of reception t3n (t34, t37, t38, t39) respectively; When the outer transmit receive unit 14 of quatre receives the address information of each corresponding nearby vehicle C6-C9, processing unit 3 records the 4th corresponding time of reception t4n (t46, t47, t48, t49) respectively; Whereby, the address information that each the nearby vehicle C1-C4, the C6-C9 that are in main vehicle C5 send all can receive by two of the outer transmit receive unit 14 of the infrared transmit receive unit 12 of the first infrared transmit receive unit 11, second, the 3rd infrared transmit receive unit 13 and quatre, and processed unit 3 records two time of receptions.Processing unit 3 can according to the first time of reception t1n (t11, t12, t13, t14), second time of reception t2n (t21, t22, t23, t16), 3rd time of reception t3n (t34, t37, t38, and the 4th time of reception t4n (t46 t39), t47, t48, t49) with each nearby vehicle C1-C4 in, the time difference t of two time of receptions that the address information that C6-C9 sends is corresponding determines main vehicle C5 and many nearby vehicle C1-C4, relative position between C6-C9.
For example, see Fig. 4, nearby vehicle C2 sends first infrared transmit receive unit 11 and the second infrared transmit receive unit 12 immediate with nearby vehicle C2 of address information N2 to main vehicle C5, when the first infrared transmit receive unit 11 receives the address information N2 of nearby vehicle C2, processing unit 3 records the first corresponding time of reception t12; When the second infrared transmit receive unit 12 receives the address information N2 of nearby vehicle C2, processing unit 3 records the second corresponding time of reception t22, processing unit 3 determines the relative position between main vehicle C5 and nearby vehicle C2 according to time difference of the first time of reception t12 corresponding to address information N2 and the second time of reception t22, that is, when processing unit 3 judges that the first time of reception t12 is equal with the second time of reception t22, then judge that nearby vehicle C2 is positioned at the dead ahead of main vehicle C5; Certainly, processing unit 3 is a predeterminable predetermined value Ta also, when processing unit 3 judges that the difference of the first time of reception t12 and the second time of reception t22 is less than or equal to this predetermined value Ta, then judges that nearby vehicle C2 is positioned at the dead ahead of main vehicle C5.Refer to Fig. 5 again, nearby vehicle C3 sends first infrared transmit receive unit 11 and the second infrared transmit receive unit 12 immediate with nearby vehicle C3 of address information N3 to main vehicle C5, when the first infrared transmit receive unit 11 receives the address information N3 of nearby vehicle C3, processing unit 3 records the first corresponding time of reception t13, when the second infrared transmit receive unit 12 receives the address information N3 of nearby vehicle C3, processing unit 3 records the second corresponding time of reception t23, processing unit 3 determines the relative position between main vehicle C5 and nearby vehicle C3 according to time difference of the first time of reception t13 corresponding to address information N3 and the second time of reception t23, that is, when processing unit 3 judges that the first time of reception t13 is after the second time of reception t23 and the difference of the first time of reception t13 and the second time of reception t23 equals a preset value Tb, then judge that nearby vehicle C3 is positioned at the right front of main vehicle C5, certainly, processing unit 3 is a predeterminable preset range also, when processing unit 3 judge the first time of reception t13 after the second time of reception t23 and the difference of the first time of reception t13 and the second time of reception t23 in this preset range time, then judge that nearby vehicle C3 is positioned at the right front of main vehicle C5.In like manner, nearby vehicle C1 sends first infrared transmit receive unit 11 and the second infrared transmit receive unit 12 immediate with nearby vehicle C1 of address information N1 to main vehicle C5, when the first infrared transmit receive unit 11 receives the address information N1 of nearby vehicle C1, processing unit 3 records the first corresponding time of reception t11, when the second infrared transmit receive unit 12 receives the address information N1 of nearby vehicle C1, processing unit 3 records the second corresponding time of reception t21, processing unit 3 determines the relative position between main vehicle C5 and nearby vehicle C1 according to time difference of the first time of reception t11 corresponding to address information N1 and the second time of reception t21, that is, when processing unit 3 judges that the first time of reception t11 is before the second time of reception t21 and the difference of the first time of reception t11 and the second time of reception t21 equals a preset value Tb, then judge that nearby vehicle C3 is positioned at the left front of main vehicle C5, certainly, processing unit 3 is a predeterminable preset range also, when processing unit 3 judge the first time of reception t11 before the second time of reception t21 and the difference of the first time of reception t11 and the second time of reception t21 in this preset range time, then judge that nearby vehicle C1 is positioned at the left front of main vehicle C5.
In like manner, nearby vehicle C4 send address information N4 to main vehicle C5 with the immediate first infrared transmit receive unit 11 of nearby vehicle C2 and the 3rd infrared transmit receive unit 13, when the first infrared transmit receive unit 11 receives the address information N4 of nearby vehicle C4, processing unit 3 records the first corresponding time of reception t14; When the 3rd infrared transmit receive unit 13 receives the address information N4 of nearby vehicle C4, processing unit 3 records the second corresponding time of reception t34, processing unit 3 determines the relative position between main vehicle C5 and nearby vehicle C4 according to time difference of the first time of reception t14 corresponding to address information N4 and the second time of reception t34, that is, when processing unit 3 judges that the first time of reception t14 is equal with the second time of reception t34, then judge that nearby vehicle C4 is positioned at the left side of main vehicle C5; Certainly, processing unit 3 is a predeterminable predetermined value Ta also, when processing unit 3 judges that the difference of the first time of reception t14 and the second time of reception t34 is less than or equal to this predetermined value Ta, then judges that nearby vehicle C4 is positioned at the left side of main vehicle C5.Equally with judge nearby vehicle C6-C8 respectively with the relative position relation of main vehicle C5, repeat no more herein.For the judgement of the position between middle car and car of advancing relative to more timely global positioning system (GlobalPositioningSystem, GPS)/GLONASS (Global Navigation Satellite System) (GlobalNavigationSatelliteSystem, GNSS) coordinate obtained is to judge that the mode of relative position has more instantaneity, and be not subject to the impact of ambient weather, more stable, improve security reliability.
Then, processing unit 3 is according to the position relationship of advance intention and the relatively main vehicle C5 of nearby vehicle C1-C4, C6-C9 of main vehicle C5, the priority of setting nearby vehicle C1-C4, C6-C9, wherein, the intention of advancing of main vehicle C5 can be straight ahead, deceleration or parking, left-hand rotation, right-hand rotation etc.For example, when main vehicle C5 advance be intended to straight ahead time (that is, driver manipulates main vehicle C5 straight ahead), the priority of the nearby vehicle C2 being positioned at dead ahead is set as the highest by processing unit 3, the priority of nearby vehicle C1, C3 is set as taking second place, the priority of other nearby vehicle C4, C6-C9 is set as minimum, and above-mentioned priority is stored in mnemon 5 by processing unit 3; Certainly, when the advancing of main vehicle C5 is intended to straight ahead, the setting of the priority of nearby vehicle C1-C4, C6-C9 is not as limit, the priority of the nearby vehicle C2 being positioned at dead ahead also can be set as the highest by processing unit 3, the priority of the nearby vehicle C8 being positioned at dead astern be set as taking second place, the priority of other nearby vehicle is set as minimum.Processing unit 3 is according to the highest priority of the nearby vehicle C2 be stored in mnemon 5, priority treatment is from the driving REFERENCE INFORMATION of nearby vehicle C2 with the highest priority, namely, the driving REFERENCE INFORMATION storing nearby vehicle C2 is shown in mnemon 5 and by the driving REFERENCE INFORMATION of nearby vehicle C2 on the display unit 6 of main vehicle C5, carries out driving judge for driver.In practical application, processing unit 3 can control that wireless telecommunications module 2 is preferential to be set up communication with nearby vehicle C2 and transmit the driving REFERENCE INFORMATION extremely main vehicle C5 of nearby vehicle C2.So, without the need to transmitting other useless driving REFERENCE INFORMATION to main vehicle C5, greatly improving system communication efficiency, economizing on resources.In another embodiment, also nearby vehicle C1, C2, C3 can be set to the highest priority simultaneously, processing unit 3 controls wireless telecommunications module 2 and sets up communication with nearby vehicle C1, C2, C3 respectively and the driving REFERENCE INFORMATION extremely main vehicle C5 transmitting nearby vehicle C1, C2, C3, so to ensure the integrality of useful information.
When main vehicle C5 advance be intended to turn left time (that is, driver manipulate main vehicle C5 to the left changing Lane time), the priority of the nearby vehicle C4 be positioned on the left of main vehicle C5 is set as the highest by processing unit 3, the priority of nearby vehicle C1, C7 is set as taking second place, the priority of other nearby vehicle C2, C3, C5, C6, C8 is set as minimum, and above-mentioned priority is stored in mnemon 5 by processing unit 3; Certainly, when the advancing of main vehicle C5 is intended to, the setting of the priority of nearby vehicle C1-C4, C6-C9 is not as limit, the nearby vehicle C7 being positioned at the nearby vehicle C1 of left front, the nearby vehicle C4 in left side and left back also can be set as the highest priority by processing unit 3 simultaneously, and the priority of other nearby vehicle is set as minimum.Processing unit 3 is according to the highest priority of the nearby vehicle C4 be stored in mnemon 5, priority treatment is from the driving REFERENCE INFORMATION of nearby vehicle C4 with the highest priority, namely, the driving REFERENCE INFORMATION storing nearby vehicle C4 is shown in mnemon 5 and by the driving REFERENCE INFORMATION of nearby vehicle C4 on the display unit 6 of main vehicle C5, carries out driving judge for driver.So, without the need to transmitting other useless driving REFERENCE INFORMATION to main vehicle C5, greatly improving system communication efficiency, economizing on resources.
In this embodiment, electronic control unit 4 can send signal to processing unit 3 and carry out corresponding process according to various states during vehicle startup.Therefore, when driver dials indicator, electronic control unit 4 just can send right-hand rotation signal or left-hand rotation signal.When processing unit 3 receives right-hand rotation signal or left-hand rotation signal from electronic control unit 4, processing unit 3 just can judge that advancing of main vehicle C5 is intended to turn right or turn left.
See Fig. 6, disclose the car of the embodiment of the present invention to the flow chart of the car means of communication, this car is used for above-mentioned car to car communication system 100 to the car means of communication, and structure, function and effect are identical, repeat no more herein, and accompanying drawing mark can referring to figs. 1 to Fig. 5.This car comprises the following steps the car means of communication:
S001, utilize infrared ray module 1 to receive identification information from many nearby vehicle C1-C4, C6-C9, perform step S002;
S002, when infrared ray module 1 receives this identification information, record the time of reception that each this identification information is corresponding, perform step S003;
S003, determine main vehicle C1 and the relative position between many nearby vehicle C1-C4, C6-C9 according to this time of reception multiple, perform step S004;
S004, to be intended to according to main vehicle C1 and the relative position between many nearby vehicle C1-C4, C6-C9 and advancing of main vehicle C5, to give the priority that many nearby vehicle C1-C4, C6-C9 are different, perform step S005; And
S005, priority treatment are from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority.
Preferably, see Fig. 7, step S001 ' middle infrared (Mid-IR) module 1 comprises the first infrared transmit receive unit 11, second infrared transmit receive unit 12, 3rd infrared transmit receive unit 13 and the outer transmit receive unit 14 of quatre, first infrared transmit receive unit 11, second infrared transmit receive unit 12, 3rd infrared transmit receive unit 13 and the outer transmit receive unit 14 of quatre are symmetrically distributed on main vehicle C5, to meet the nearby vehicle C1-C4 that main vehicle C5 receives contiguous main vehicle C5 respectively, C6-C9 sends to the address information of main vehicle C5, that is, nearby vehicle C1-C4, respective address information is sent to the first infrared transmit receive unit 11 on main vehicle C5 by C6-C9 respectively, second infrared transmit receive unit 12, wherein two of the outer transmit receive unit 14 of 3rd infrared transmit receive unit 13 and quatre, certainly three or four also can be sent to as required accurately to distinguish and location nearby vehicle C1-C4, the relative position of C6-C9 and main vehicle C5, see Fig. 4, first infrared transmit receive unit 11 and the second infrared transmit receive unit 12 are symmetrical arranged with the axis Z on the travel direction D1 of main vehicle C5, 3rd infrared transmit receive unit 13 and the outer transmit receive unit 14 of quatre are also symmetrical arranged with the axis Z on the travel direction D1 of main vehicle C5, and the first infrared transmit receive unit 11, second infrared transmit receive unit 12, the outer transmit receive unit 14 of 3rd infrared transmit receive unit 13 and quatre is symmetric with the central point of main vehicle C1 or the central point of showing greatly main vehicle C1 is symmetric, the system that is beneficial to accepts the nearby vehicle C1-C4 come in the orientation of autonomous vehicle C5 surrounding under impartial testing conditions, the address information N1-N4 of C6-C9, N6-N9.Preferably, the infrared transmission of first infrared transmit receive unit 11, second receives four corner positions that the outer transmit receive unit 14 of list 12 yuan, the 3rd infrared transmit receive unit 13 and quatre is symmetricly set in main vehicle C5 respectively, as being arranged at the car light position, four front and back of main vehicle C5 respectively.
In step S002 ' when the first infrared transmit receive unit 11 receives the address information of each corresponding nearby vehicle C1-C4, processing unit 3 records the first corresponding time of reception t1n (t11, t12, t13, t14) respectively; When the second infrared transmit receive unit 12 receive each corresponding nearby vehicle C1-C3, C6 address information time, processing unit 3 records the second corresponding time of reception t2n (t21, t22, t23, t16) respectively; When the 3rd infrared transmit receive unit 13 receive each corresponding nearby vehicle C4, C7-C9 address information time, processing unit 3 records the 3rd corresponding time of reception t3n (t34, t37, t38, t39) respectively; When the outer transmit receive unit 14 of quatre receives the address information of each corresponding nearby vehicle C6-C9, processing unit 3 records the 4th corresponding time of reception t4n (t46, t47, t48, t49) respectively; Whereby, the address information that each the nearby vehicle C1-C4, the C6-C9 that are in main vehicle C5 send all can receive by two of the outer transmit receive unit 14 of the infrared transmit receive unit 12 of the first infrared transmit receive unit 11, second, the 3rd infrared transmit receive unit 13 and quatre, and processed unit 3 records two time of receptions.In step S003 ', processing unit 3 can according to the first time of reception t1n (t11, t12, t13, t14), second time of reception t2n (t21, t22, t23, t16), 3rd time of reception t3n (t34, t37, t38, and the 4th time of reception t4n (t46 t39), t47, t48, t49) with each nearby vehicle C1-C4 in, the time difference t of two time of receptions that the address information that C6-C9 sends is corresponding determines main vehicle C5 and many nearby vehicle C1-C4, relative position between C6-C9.For the judgement of the position between middle car and car of advancing relative to more timely global positioning system (GlobalPositioningSystem, GPS)/GLONASS (Global Navigation Satellite System) (GlobalNavigationSatelliteSystem, GNSS) coordinate obtained is to judge that the mode of relative position has more instantaneity, and be not subject to the impact of ambient weather, more stable, improve security reliability.
Preferably, see Fig. 8, in step S005 ', processing unit 3 can according to nearby vehicle C1-C4, the highest priority of C6-C9 controls wireless telecommunications module 2 and sets up communication with the nearby vehicle with the highest priority, and the driving REFERENCE INFORMATION of this nearby vehicle of the highest priority of transmission is to main vehicle C5, main vehicle C5 priority treatment is from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority, namely, the driving REFERENCE INFORMATION storing this nearby vehicle is shown in mnemon 5 and by the driving REFERENCE INFORMATION of this nearby vehicle on the display unit 6 of main vehicle C5, carry out driving for driver to judge.So, without the need to transmitting other useless driving REFERENCE INFORMATION to main vehicle C5, greatly improving system communication efficiency, economizing on resources.
See Fig. 9, in another embodiment, before step S001, also comprise step S000, wireless telecommunications module 3 receives the driving REFERENCE INFORMATION from many nearby vehicle C1-C4, C6-C9 first respectively, and is stored in mnemon 5.As long as any stage completing steps S000 certainly before step S005.As long as process the highest preferred sequence nearby vehicle driving REFERENCE INFORMATION before complete nearby vehicle C1-C4, C6-C9 driving REFERENCE INFORMATION reception with store.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (11)
1. car is to a car communication system, is arranged in main vehicle, and this main vehicle periphery exists many nearby vehicle, it is characterized in that, this car comprises car communication system:
Infrared ray module, in order to receive the identification information from each nearby vehicle;
Wireless telecommunications module, in order to receive the driving REFERENCE INFORMATION from these many nearby vehicle; And
Processing unit, couples this infrared ray module and this wireless telecommunications module;
Wherein, when this infrared ray module receives this identification information, the time of reception that this this identification information of processing unit record and each is corresponding, this processing unit determines the relative position between this main vehicle and this many nearby vehicle according to this time of reception multiple, this processing unit is intended to according to the relative position between this main vehicle and this many nearby vehicle and advancing of this main vehicle again, give the priority that these many nearby vehicle are different, this processing unit priority treatment is from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority.
2. car as claimed in claim 1 is to car communication system, and it is characterized in that, this identification information is address information;
This infrared ray module comprises the first infrared transmit receive unit and the second infrared transmit receive unit, this first infrared transmit receive unit and this second infrared transmit receive unit are arranged with the axisymmetrical in the travel direction of this main vehicle, and this first infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with this second infrared transmit receive unit;
Wherein, when this first infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the first time of reception that this processing unit record is corresponding; When this second infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the second time of reception that this processing unit record is corresponding; The time difference of this processing unit foundation this first time of reception corresponding with each address information and this second time of reception determines the relative position between this main vehicle and this many nearby vehicle.
3. car as claimed in claim 2 is to car communication system, it is characterized in that, this infrared ray module also comprises the 3rd infrared transmit receive unit and the outer transmit receive unit of quatre, 3rd infrared transmit receive unit and the outer transmit receive unit of this quatre are arranged at the rear portion of this main vehicle with this axisymmetrical in the travel direction of this main vehicle, the 3rd infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with the outer transmit receive unit of this quatre;
Wherein, when the 3rd infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the 3rd time of reception that this processing unit record is corresponding; When the outer transmit receive unit of this quatre receives the address information of each corresponding nearby vehicle, the 4th time of reception that this processing unit record is corresponding; This processing unit determines the relative position between this main vehicle and this many nearby vehicle according to time difference of two time of receptions corresponding with each address information in this first time of reception, this second time of reception, the 3rd time of reception and the 4th time of reception.
4. car as claimed in claim 3 is to car communication system, it is characterized in that, the outer transmit receive unit of this first infrared transmit receive unit, this second infrared transmit receive unit, the 3rd infrared transmit receive unit and this quatre is symmetricly set in four corner positions of this main vehicle respectively.
5. car as claimed in claim 2 is to car communication system, it is characterized in that, when this processing unit judges that the difference of this first time of reception and this second time of reception is less than or equal to the first preset value, then judge that this nearby vehicle is positioned at the dead ahead of this main vehicle; When this processing unit judges that this first time of reception is before this second time of reception and the difference of this first time of reception and this second time of reception equals the second preset value or in this preset range, then judge that this nearby vehicle is positioned at the left front of this main vehicle; When this processing unit judges that this first time of reception is after this second time of reception and the difference of this first time of reception and this second time of reception equals the second preset value or in a preset range, then judge that this nearby vehicle is positioned at the right front of this main vehicle.
6. car as claimed in claim 1 is to car communication system, it is characterized in that, this processing unit controls the driving REFERENCE INFORMATION of this wireless telecommunications module according to different these many nearby vehicle of priority received in sequence of these many nearby vehicle.
7. car is to car means of communication, is applied to main vehicle, and this main vehicle has infrared ray module, it is characterized in that, comprises step:
S001, this infrared ray module is utilized to receive from the identification information of many nearby vehicle;
S002, when this infrared ray module receives this identification information, record the time of reception that each this identification information is corresponding;
S003, determine the relative position between this main vehicle and this many nearby vehicle according to this time of reception multiple;
S004, to be intended to according to the relative position between this main vehicle and this many nearby vehicle and advancing of this main vehicle, to give the priority that these many nearby vehicle are different; And
S005, priority treatment are from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority.
8. car as claimed in claim 7 is to the car means of communication, and it is characterized in that, this identification information is address information;
This infrared ray module comprises the first infrared transmit receive unit and the second infrared transmit receive unit, this first infrared transmit receive unit and this second infrared transmit receive unit are arranged with the axisymmetrical in the travel direction of this main vehicle, and this first infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with this second infrared transmit receive unit;
Step S002 comprises: when this first infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the first time of reception that record is corresponding; When this second infrared transmit receive unit receives the address information of each corresponding nearby vehicle, the second time of reception that record is corresponding;
Step S003 is: the time difference of foundation this first time of reception corresponding with each address information and this second time of reception determines the relative position between this main vehicle and this many nearby vehicle.
9. car as claimed in claim 8 is to the car means of communication, it is characterized in that, this infrared ray module also comprises the 3rd infrared transmit receive unit and the outer transmit receive unit of quatre, and the 3rd infrared transmit receive unit receives the address information of these corresponding many nearby vehicle respectively with the outer transmit receive unit of this quatre;
Step S002 also comprises: when the 3rd infrared transmit receive unit receives each corresponding this address information, the 3rd time of reception that record is corresponding; When the outer transmit receive unit of this quatre receives each corresponding this address information, the 4th time of reception that record is corresponding;
Step S003 is: the time difference according to two time of receptions corresponding with each address information in this first time of reception, this second time of reception, the 3rd time of reception and the 4th time of reception determines the relative position between this main vehicle and this many nearby vehicle.
10. car as claimed in claim 7 is to the car means of communication, it is characterized in that, before step S005, also comprises step: receive the driving REFERENCE INFORMATION from these many nearby vehicle.
11. cars as claimed in claim 7 are to the car means of communication, and it is characterized in that, step S005 is: preferential receipt is from the driving REFERENCE INFORMATION of this nearby vehicle with the highest priority.
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| CN201510621412.1A CN105187545A (en) | 2015-09-25 | 2015-09-25 | Car-to-car communication system and car-to-car communication method |
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| CN201510621412.1A CN105187545A (en) | 2015-09-25 | 2015-09-25 | Car-to-car communication system and car-to-car communication method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487904A (en) * | 2016-10-21 | 2017-03-08 | 江苏大学 | A kind of novel on-vehicle car car information interaction system |
| CN110233903A (en) * | 2019-06-30 | 2019-09-13 | 南京云睿航天科技有限公司 | A kind of bus location navigation interactive system based on Internet of Things |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544211A (en) * | 2009-05-08 | 2009-09-30 | 南京工程学院 | Infrared communication auxiliary steering device |
| CN103338220A (en) * | 2013-05-20 | 2013-10-02 | 南京航空航天大学 | Infrared-wireless radio frequency combination communication method between two adjacent vehicles |
| CN103918242A (en) * | 2011-10-03 | 2014-07-09 | 高通股份有限公司 | Method and apparatus for filtering and processing received vehicle peer transmissions based on reliability information |
| CN204446522U (en) * | 2015-01-06 | 2015-07-08 | 中国人民解放军第三军医大学 | Based on hyperacoustic intelligent blind-guiding device |
-
2015
- 2015-09-25 CN CN201510621412.1A patent/CN105187545A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544211A (en) * | 2009-05-08 | 2009-09-30 | 南京工程学院 | Infrared communication auxiliary steering device |
| CN103918242A (en) * | 2011-10-03 | 2014-07-09 | 高通股份有限公司 | Method and apparatus for filtering and processing received vehicle peer transmissions based on reliability information |
| CN103338220A (en) * | 2013-05-20 | 2013-10-02 | 南京航空航天大学 | Infrared-wireless radio frequency combination communication method between two adjacent vehicles |
| CN204446522U (en) * | 2015-01-06 | 2015-07-08 | 中国人民解放军第三军医大学 | Based on hyperacoustic intelligent blind-guiding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487904A (en) * | 2016-10-21 | 2017-03-08 | 江苏大学 | A kind of novel on-vehicle car car information interaction system |
| CN110233903A (en) * | 2019-06-30 | 2019-09-13 | 南京云睿航天科技有限公司 | A kind of bus location navigation interactive system based on Internet of Things |
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