CN108257404A - A kind of urban traffic road falseness warning information filter method towards car networking - Google Patents
A kind of urban traffic road falseness warning information filter method towards car networking Download PDFInfo
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- CN108257404A CN108257404A CN201810036430.7A CN201810036430A CN108257404A CN 108257404 A CN108257404 A CN 108257404A CN 201810036430 A CN201810036430 A CN 201810036430A CN 108257404 A CN108257404 A CN 108257404A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096791—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is another vehicle
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
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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
Abstract
The present invention provides a kind of urban traffic road falseness warning information filter method towards car networking, and the security application cell S AU in 1. vehicle nodes into line search and updates the road incidents information in the Event Information Table T of storage；2. carrying out road incidents information condition filtering, judge whether event is credible；3. carrying out condition filter for the H attributes of road incidents after update, judge whether event is false by security application cell S AU.The present invention avoids vehicle from carrying out blindness broadcast to the road incidents of reception, mislead driver；Traffic route falseness warning information is filtered；So as to effectively prevent propagation of the deceptive information of hacker's forgery in car networking, fail message is inhibited to spread unchecked, reliable road incidents information in real time is provided for driver, alleviates traffic jam, and then road rate is improved, the application for municipal intelligent traffic provides technical support.
Description
Technical field
The present invention relates to car networking field of information security technology, specially a kind of urban traffic road towards car networking is empty
False warning information filter method.
Background technology
Car networking is important application of the technology of Internet of things in municipal intelligent traffic field.Compared with conventional internet, Che Lian
The features such as net has network topology dynamic change, and vehicle node is added in or exitted network temporarily, and vehicle node connection is of short duration, because
This faces even more serious security risk and threatens, and the typical security risk of one type is exactly the Dependability Problem of information.Mesh
Before, the deceptive information in car networking is divided into two classes, and one kind is to be issued, distort by the malice vehicle node that hacker captures in car networking
Or the information forged；Another kind of is due to the fail message of the behavioral characteristics generation of traffic flow.Since traffic route event has
Regular hour validity, can with the variation of time and the association attributes such as generation position variation in addition event can disappear in itself,
Such event information is fail message phenomenon.For example, traffic congestion event can as time goes by, position or severity become
Change or even disappear.The propagation of deceptive information and fail message in car networking expends limited letter band resource or even misleads driving
Member's driving behavior decision, seriously affects driving safety, while also affects effective operation and the performance of car networking whole network.
Existing car networking information filtering method has cosine similarity clustering procedure, the Trust Management Mechanism based on node clustering
The methods of deceptive information filters, but these methods do not consider the behavioral characteristics of traffic flow in real car networking, filter accuracy rate
Need to be further improved.
Invention content
For problems of the prior art, it is false pre- that the present invention provides a kind of urban traffic road towards car networking
Alert information filtering method can effectively prevent propagation of the false warning information of hacker's forgery in car networking, be provided for driver
Reliable road incidents information in real time, alleviates traffic congestion, and so as to improve road rate, the application for municipal intelligent traffic carries
For technical support.
The present invention is to be achieved through the following technical solutions：
A kind of urban traffic road falseness warning information filter method towards car networking includes the following steps,
Step 1, in car networking is intended in the communication of vehicle and vehicle, when vehicle node by equipment of itself detect or
When receiving road incidents, the security application cell S AU in the vehicle node is in the Event Information Table T of storage to the road incidents
Information is updated into line search, and to its information；
The road incidents information includes representing the L attributes of event type, represents that the W attributes of position, table occur for event
Show the X attributes of event credit worthiness, represent the C attributes of event correlation vehicle and represent the H attributes of event propagation hop count；
Step 2, for X the and C attributes of road incidents after update, road incidents information condition filtering is carried out, passes through safety
Applying unit SAU judges whether event is credible, when the attribute in road event information meets all broadcast threshold conditions, sentences
Disconnected event is credible, broadcasts the road incidents information and notifies the driver of the vehicle node, completes road incidents filtering；
When the attribute in road event information have one be unsatisfactory for broadcast threshold condition when, judge that event to be insincere, is held
Row step 3；
Step 3, condition filter is carried out for the H attributes of road incidents after update, thing is judged by security application cell S AU
Whether part is false, if false, abandons the event information in Event Information Table T, if not false, retains in Event Information Table T
The event information completes road incidents filtering.
Preferably, when being updated in step 1 to road information, specifically comprise the following steps,
Step 1.1, whether it is same road incidents according to the W determined properties of road incidents；If vehicle node detects
Road incidents information in the W attributes of all road incidents information in the presence of position and traffic event information table T occur not
Unanimously, then illustrate that two road incidents information are different road incidents, then establish new road incidents and go forward side by side row information update, hold
Row step 1.2；Otherwise for identical road incidents, the script information of the road incidents is updated, performs step 1.3；
Step 1.2, if the road incidents that vehicle node detection receives are not present in traffic event information table T, pass through
Security application cell S AU creates the event information and is updated in traffic event information table T；
Step 1.3, if the road incidents that vehicle node detection receives exist in traffic event information table T, pass through peace
Full applying unit SAU updates script event information in traffic event information table T.
Further, when the event information is created in step 1.2 and being updated, specifically comprise the following steps,
Step 1.2.1, security application cell S AU judge that the L of road incidents belongs to according to the road incidents information field of generation
Property, if traffic congestion event, L attributes are Jam types；If traffic accident event, L attributes are Accident types；
Step 1.2.2, will be in the position coordinates deposit W attributes of road incidents by the alignment system in vehicle node；
Step 1.2.3 gives the metric Value=1 of road incidents X attributes；
The label that vehicle node is detected or received is added in C attributes, at this point, associated vehicle interstitial content by step 1.2.4
Num=1；
Step 1.2.5, if receiving vehicle node by itself detecting acquisition event, the vehicle passed through in the H attributes of the event
Interstitial content Hop=1；Perform step 2；
Step 1.2.6, if receive vehicle node sends vehicle node acquisition event by closing on, according to the event received
The jumping figure value of information field query event adds the script hop count of inquiry 1, i.e., the vehicle node passed through in the H attributes of the event
Number Hop=Hop+1 performs step 2.
Further, when being updated in step 1.3 to script event information, specifically comprise the following steps,
Step 1.3.1, the L attributes for keeping the event are constant；
Step 1.3.2, the W attributes for keeping the event are constant；
Metric Value in the X attributes of the event is numerically added 1, i.e. Value=by step 1.3.3 in original
Value+1；
Step 1.3.4, query event are come in the label of source vehicle and script traffic event information table T in event C attributes
Whether element numerals have repetition, if repeating, illustrate that the vehicle node of transmission event has been recorded in C attributes, then do not have to update C and belong to
Property；Pair if not repeating, illustrate that the label of new vehicle node for new vehicle, is then added in C attributes by the vehicle node of transmission event, i.e.,
C attributes are updated；
Step 1.3.5, according to the event info field received, the vehicle node number passed through in query event H attributes
Hop；1, i.e. Hop=Hop+1 are added to the Hop of script in the event H attributes of inquiry.
Preferably, in step 2 road incidents information condition filtering is carried out for X the and C attributes of road incidents after update
When, specifically comprise the following steps,
Step 2.1, the metric Value in event X attributes is judged, if metric Value is less than given threshold,
Step 3 is then performed, otherwise performs step 2.2；
Step 2.2, the associated vehicle interstitial content Num values in event C attributes are judged, if Num values are less than setting
Threshold value then performs step 3, otherwise confirms that event is credible, broadcasts the road incidents information and notify the driver of the vehicle node, complete
It is filtered into the road incidents.
Further, the threshold value of Value is 8 in step 2.1.
Further, the threshold value of Num values is 3 in step 2.1.
Preferably, in step 3, for after update road incidents H attributes carry out condition filter when, pass through road in H attributes
The vehicle node number Hop values of road course of event carry out condition filter, if Hop values are more than given threshold, confirm event falseness,
The event information is abandoned；Otherwise, which is retained, completes road incidents filtering.
Further, the threshold value of the Hop values is 4.
Compared with prior art, the present invention has technique effect beneficial below：
The determinant attribute information of road incidents that present invention extraction vehicle node detection receives is filtered, and establishes one kind
Towards the urban traffic road falseness warning information filter method of car networking；Using being stored in vehicle node security application unit
The road incidents attribute information added up in the Event Information Table T of SAU carries out condition filter, avoids road incidents of the vehicle to reception
It carries out blindness broadcast, mislead driver；Traffic flow behavioral characteristics can be combined, the authenticity of the road incidents according to generation has
The behavioral characteristics of effect property, are filtered traffic route falseness warning information；So as to the false letter that hacker is effectively prevented to forge
Cease the propagation in car networking, it is suppressed that fail message is spread unchecked, and is provided reliable road incidents information in real time for driver, is alleviated
Traffic jam, and then road rate is improved, the application for municipal intelligent traffic provides technical support.
Description of the drawings
Fig. 1 is vehicle V in present examplerHandle road incidents eiFlow chart.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
One kind of the invention passes through many aspects of vehicle safety applications towards car networking urban traffic road falseness warning information filter method
Cell S AU, and in update event information table T road incidents e information；Condition is carried out to the information of updated road incidents e
Filtering, if satisfied, then many aspects of vehicle safety applications cell S AU confirms that event is true, broadcast message simultaneously notifies driver；If it is unsatisfactory for any
Condition is further determined whether to abandon road incidents information by many aspects of vehicle safety applications cell S AU.Pass through the Event Information Table of setting
Multiple property values in T are successively filtered judgement, effectively prevent biography of the deceptive information of hacker's forgery in car networking
It broadcasts, it is suppressed that fail message is spread unchecked, and is provided reliable road incidents information in real time for driver, is alleviated traffic jam, so as to carry
High road rate, the application for municipal intelligent traffic provide technical support.
The method of the invention includes following entity：
1. car networking：In practice, it is intended for vehicle in car networking to communicate with vehicle (V2V), each vehicle node ID is unique
, the vehicle node in car networking is defined as Vr, r is represents vehicle node identity ID, i.e., using vehicle ID as each car
The mark of node.Vehicle node, which is all carried, is equipped with global positioning system (GPS), and forward and backward infrared radar is infrared
The physical equipments such as line signal receiver, wireless signal transceiver, vehicle node can use the wireless sensor device pair installed
Road incidents are detected.The infrared radar that vehicle node is equipped with has certain investigative range, look-in frequency.
Vehicle node is obtained there are two types of road incidents information, is that vehicle node itself detects road incidents information and connects respectively
Receive the road incidents information that proximate vehicle node is sent.
2. road incidents：Present invention is primarily concerned with the urgent warning information of road, by true car networking applied analysis, inciting somebody to action
The road incidents that the urgent warning information of road is related to are divided into two kinds, are traffic jam and traffic accident respectively.Different location occurs
Road incidents be independent from each other, the road incidents in car networking are defined as ei, i is distinguishes the independent urgent warning information of road
ID.
3. security application unit (SAU)：Board units (OBU) deployment one security application of equipment in each vehicle node
Module is defined as security application unit, has information storage, calculating and forwarding capability in the unit, can be to vehicle section
Point detection or the road incidents information received are stored, handled and are forwarded.
It is defined below involved in the present invention：
Traffic event information table：As unit of road incidents e, statistics storage vehicle detects to be connect traffic event information table T
The road incidents relevant information received.Each vehicle node has a traffic events table of oneself, and store it in vehicle SAU
In.Remember vehicle node VrTraffic event information table T be Vr(T), Vr(T) V is storedrAll road incidents e received are detected,
That is Vr(T)={ e1,e2,e3,…,ei,…}。
Vr(T) include event type L attributes about the information of e in, position W attributes occur for event, and event credit worthiness X belongs to
Property, event correlation vehicle C attributes, event propagation hop count H attributes.Remember e in TiInformation is T (ei), then T (ei)={ L, W, X, C,
H }, TL(ei) it is eiType L attributes, TW(ei) it is eiGeneration position W attributes, TX(ei) it is eiCredit worthiness X attributes, TC(ei)
For eiAssociated vehicle C attributes, TH(ei) it is eiPropagation hop count H attributes.
Wherein, TL(ei) refer to VrThe e receivediType.Present invention is primarily concerned with the urgent warning information of road, therefore will
Road incidents are divided into two kinds, and one kind is traffic congestion Jam, and another kind is traffic accident Accident.Remember TL(ei)={ Jam,
Accident}。
TW(ei) refer to eiThe position of generation.VrIt is accurately positioned to obtain e using GPSiLongitude and latitude, TW(ei) with latitude and longitude coordinates
Mode records eiGeographical location information.
TX(ei) refer to eiCredit worthiness, avoid short duration, the small road incidents of coverage cause information superfluous
It is remaining.This method is using Value values as measurement TX(ei) degree, remember TX(ei)={ Valu } e.Value values refer to VrPass through difference
Mode receives eiNumber, be this method important filtering index.
TC(ei) refer to the e being detected or receivediAssociated vehicle node, i.e., " handle " eiMutually independent different vehicle
The record of node.TC(ei) be intended to indicate that and encounter eiWhen, avoid VrOne vehicle " dictatorship ", main vehicle is assisted with the detection of neighbours' vehicle
It judges.TC(ei) it is entity set, it is denoted as TC(ei)={ V1,,V2,V3,…,Vr,…}。TC(ei) in vehicle node it is total
Number is also the important filtering index of this method, remembers TC(ei) in vehicle fleet mesh be Num.
TH(ei) refer to eiThe vehicle node number of process, that is, propagate hop count.eiIt propagates since self-test vehicle node, often passes through
It crosses the corresponding hop count of a vehicle node and adds 1 (including source vehicle).Remember eiThe vehicle node number of process is Hop, TH(ei)=
{Hop}.Hop decides whether to abandon e for SAUiThe important filter condition of information.
One kind includes the following steps towards car networking urban traffic road falseness warning information filter method：
Step 1, when road incidents are detected or received by equipment of itself in vehicle node, the security application list of vehicle node
First SAU is updated the road incidents information into line search, and to its information in Event Information Table T.
1.1 whether it is same road incidents according to the generation position W determined properties of road incidents.If vehicle node detects
To road incidents information in the W attributes of all road incidents information e in the presence of position and traffic event information table T occur
It is inconsistent, then illustrate that two road incidents information are different road incidents, then establish new road incidents and go forward side by side row information update,
Skip to step 1.2；Conversely, the script information to the road incidents is updated, that is, skip to step 1.3.
If the road incidents that the detection of 1.2 vehicle nodes receives are not present in T, SAU creates event information and more in T
Newly.
1.2.1 SAU judges the L attributes of road incidents according to the road incidents information field of generation, if traffic congestion thing
Part, L attributes are Jam types；If traffic accident event, L attributes are Accident types.
1.2.2 in the position coordinates deposit W attributes of event.
1.2.3 the Value=1 of event X attributes.
1.2.4 the label that vehicle node is detected or received is added in into C attributes.At this point, Num=1.
If 1.2.5 receive vehicle node detects acquisition event, the Hop=1 of the H attributes of event by itself.Skip to step
2。
If 1.2.6 receive vehicle node sends vehicle node acquisition event by closing on, according to the event information received
The jumping figure value of Field Inquiry event.1, i.e. Hop=Hop+1 are added to the script hop count of inquiry.Skip to step 2.
If the road incidents that 1.3 vehicle detections receive exist in T, SAU updates script event information in T.
1.3.1 the L attributes of event remain unchanged.
1.3.2 the W attributes of event remain unchanged.
1.3.3 Value values numerically add 1 in original in the X attributes of event, i.e. Value=Value+1.
1.3.4 query event comes whether the label of source vehicle and the element numerals in event C attributes in script T have repetition,
If repeating, illustrate that the vehicle node of transmission event has been recorded in C attributes, then do not have to update C attributes；If not repeating, illustrate to send out
The vehicle node for sending event is new vehicle, then the label of new vehicle node is added in C attributes, i.e., C attributes are updated.
1.3.5 according to the Hop values of event info field query event received.Inquiry to the event H attributes of inquiry
Script Hop add 1, i.e. Hop=Hop+1.
Step 2：For updated road incidents X and C attributes, road incidents information condition filtering is carried out, SAU determines thing
Whether part is credible, i.e., whether broadcasts the road incidents information and notify driver.Only own when road event attribute information meets
Broadcast threshold condition when, judge event to be credible.
The Value values of 2.1 pairs of event X attributes judge.It is tested through Multi simulation running, the threshold value of Value values is set as 8.
If during Value values >=8, step 2.2 is skipped to；Otherwise, step 3 is skipped to.
The Num values of 2.2 pairs of event C attributes judge.It is tested through Multi simulation running, the threshold value of Num is set as 3.If Num >=
When 3, SAU confirms that event is credible, which is broadcasted and notifies driver, end operation；Otherwise, step 3 is skipped to.
Step 3：Condition filter is carried out for the Hop values of event H attributes, judges whether event is false.If SAU confirms event
Falseness abandons the event information in T.
It is tested through Multi simulation running, the threshold value of Hop is set as 4.If the Hop in event H attributes>4, then SAU confirmations event is empty
Vacation abandons the event information；Conversely, the event information is retained.
Specifically, as shown in Figure 1, include the following steps：
Step 1：Work as VrE is detected or received by equipment of itselfiWhen, Vr(T) to e iniInformation is into line search, and to eiLetter
Breath is updated.
1.1 according to TW(ei) determined property Vr(T) it whether there is e ini.If VrThe T detectedW(ei) and Vr(T) in the presence of
All e W attributes it is inconsistent, then eiFor new events, new e is establishediInformation is simultaneously updated；Conversely, to eiScript information
It is updated, that is, skips to step 1.3.
If 1.2 Vr(T) e is not present iniInformation, then Vr(T) e is created iniInformation simultaneously updates.
1.2.1 SAU is according to the e of generationiInformation field judges TL(ei), if traffic congestion event, TL(ei)=Jam；If
For traffic accident event, TL(ei)=Accident.
1.2.2 eiPosition coordinates deposit TW(ei) in.
1.2.3 TX(ei) Value=1.
1.2.4 the label of Event origin vehicle node is stored in T by SAUC(ei) in.At this point, Num=1.
If 1.2.5 VrIt is detected by itself and obtains ei, TH(ei) in Hop=1.Skip to step 2.
If VrE is obtained by proximate vehicle nodal informationi, according to the e of receptioniInformation field inquires eiHop values.Update TH
(ei) when, add 1, i.e. Hop=Hop+1 in the script hop count Hop of inquiry.
If 1.3 Vr(T) existing e ini, then Vr(T) e is only updatediInformation.
1.3.1 TL(ei) remain unchanged.
1.3.2 TW(ei) remain unchanged.
1.3.3 TX(ei) in Value values in original Value values plus 1, i.e. Value=Value+1.
1.3.4 e is inquirediThe label of source vehicle node and script Vr(T) T inC(ei) whether the element numerals in attribute have
It repeats, if label repeats, illustrates to send eiVehicle node be recorded in TC(ei) in, then do not have to update TC(ei)；If not repeating,
Illustrate to send eiVehicle for new vehicle node, then the label that will send vehicle node adds in TC(ei), i.e., to TC(ei) carry out more
Newly.
1.3.5 according to eiInformation field inquires eiHop values.Update TH(ei) when, 1 is added in the script Hop values of inquiry,
That is Hop=Hop+1.
Step 2：Condition filter, V are carried out to updated Value and NumrSAU determine eiIt is whether credible.If eiIt can
Letter, SAU broadcast the eiInformation simultaneously notifies driver.
2.1 couples of TX(ei) in Value values judged.If during Value values >=8, step 2.2 is skipped to,；Otherwise, step is skipped to
Three.
2.2 couples of TC(ei) Num values judged.If during Num >=3, SAU confirms eiIt is credible, and to eiIt is broadcasted and is led to
Know driver, end operation；Otherwise, step 3 is skipped to.
Step 3：To updated TH(ei) carry out condition filter, VrSAU determine eiIt is whether false.If eiFalseness, then
SAU abandons TH(ei) in eiInformation.
If TH(ei) in Hop>4, then SAU confirm eiFalseness, and to eiInformation is abandoned；Conversely, to eiInformation carries out
Retain.
Claims (9)
1. a kind of urban traffic road falseness warning information filter method towards car networking, which is characterized in that including walking as follows
Suddenly,
Step 1, in car networking is intended in the communication of vehicle and vehicle, when vehicle node is detected or received by equipment of itself
During road incidents, the security application cell S AU in the vehicle node is in the Event Information Table T of storage to the road incidents information
It is updated into line search, and to its information；
The road incidents information includes representing the L attributes of event type, represents that the W attributes of position occur for event, represents thing
The X attributes of part credit worthiness represent the C attributes of event correlation vehicle and represent the H attributes of event propagation hop count；
Step 2, for X the and C attributes of road incidents after update, road incidents information condition filtering is carried out, passes through security application
Cell S AU judges whether event is credible, when the attribute in road event information meets all broadcast threshold conditions, judges thing
Part is credible, broadcasts the road incidents information and notifies the driver of the vehicle node, completes road incidents filtering；
When the attribute in road event information have one be unsatisfactory for broadcast threshold condition when, judge that event to be insincere, performs step
Rapid 3；
Step 3, condition filter is carried out for the H attributes of road incidents after update, judges that event is by security application cell S AU
No falseness if false, abandons the event information in Event Information Table T, if not false, retains the thing in Event Information Table T
Part information completes road incidents filtering.
2. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 1,
It is characterized in that, when being updated in step 1 to road information, specifically comprises the following steps,
Step 1.1, whether it is same road incidents according to the W determined properties of road incidents；If the road that vehicle node detects
Position occurs in the event information of road and the W attributes of all road incidents information in the presence of traffic event information table T are inconsistent,
Then illustrate that two road incidents information are different road incidents, then establish new road incidents and go forward side by side row information update, perform step
Rapid 1.2；Otherwise for identical road incidents, the script information of the road incidents is updated, performs step 1.3；
Step 1.2, if the road incidents that vehicle node detection receives are not present in traffic event information table T, pass through safety
Applying unit SAU creates the event information and is updated in traffic event information table T；
Step 1.3, if the road incidents that vehicle node detection receives exist in traffic event information table T, by safely should
Script event information is updated in traffic event information table T with cell S AU.
3. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 2,
When being characterized in that, the event information is created in step 1.2 and updating, specifically comprise the following steps,
Step 1.2.1, security application cell S AU judge the L attributes of road incidents according to the road incidents information field of generation, if
For traffic congestion event, L attributes are Jam types；If traffic accident event, L attributes are Accident types；
Step 1.2.2, will be in the position coordinates deposit W attributes of road incidents by the alignment system in vehicle node；
Step 1.2.3 gives the metric Value=1 of road incidents X attributes；
The label that vehicle node is detected or received is added in C attributes, at this point, associated vehicle interstitial content Num=by step 1.2.4
1；
Step 1.2.5, if receiving vehicle node by itself detecting acquisition event, the vehicle section passed through in the H attributes of the event
Count out Hop=1；Perform step 2；
Step 1.2.6, if receive vehicle node sends vehicle node acquisition event by closing on, according to the event information received
The jumping figure value of Field Inquiry event adds the script hop count of inquiry 1, i.e., the vehicle node number passed through in the H attributes of the event
Hop=Hop+1 performs step 2.
4. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 2,
It is characterized in that, when being updated in step 1.3 to script event information, specifically comprises the following steps,
Step 1.3.1, the L attributes for keeping the event are constant；
Step 1.3.2, the W attributes for keeping the event are constant；
Metric Value in the X attributes of the event is numerically added 1, i.e. Value=Value+1 by step 1.3.3 in original；
Step 1.3.4, the label and the element in event C attributes in script traffic event information table T that query event carrys out source vehicle
Whether label has repetition, if repeating, illustrates that the vehicle node of transmission event has been recorded in C attributes, then does not have to update C attributes；
If not repeating, the vehicle node for illustrating transmission event is new vehicle, then the label of new vehicle node is added in C attributes, i.e., C is belonged to
Property is updated；
Step 1.3.5, according to the event info field received, the vehicle node number Hop that passes through in query event H attributes；
1, i.e. Hop=Hop+1 are added to the Hop of script in the event H attributes of inquiry.
5. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 1,
It is characterized in that, X the and C attributes of road incidents after update is directed in step 2, when carrying out the filtering of road incidents information condition, specifically
Include the following steps,
Step 2.1, the metric Value in event X attributes is judged, if metric Value is less than given threshold, held
Otherwise row step 3 performs step 2.2；
Step 2.2, the associated vehicle interstitial content Num values in event C attributes are judged, if Num values are less than given threshold,
Step 3 is then performed, otherwise confirms that event is credible, broadcasts the road incidents information and notify the driver of the vehicle node, completing should
Road incidents filter.
6. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 5,
It is characterized in that, the threshold value of Value is 8 in step 2.1.
7. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 5,
It is characterized in that, the threshold value of Num values is 3 in step 2.1.
8. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 1,
Be characterized in that, in step 3, for after update road incidents H attributes carry out condition filter when, pass through road incidents in H attributes
The vehicle node number Hop values of process carry out condition filter, if Hop values are more than given threshold, event falseness are confirmed, to the thing
Part information is abandoned；Otherwise, which is retained, completes road incidents filtering.
9. a kind of urban traffic road falseness warning information filter method towards car networking according to claim 8,
It is characterized in that, the threshold value of the Hop values is 4.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050025291A1 (en) * | 2001-03-12 | 2005-02-03 | Vidius Inc. | Method and system for information distribution management |
| CN103606274A (en) * | 2012-12-18 | 2014-02-26 | 北京科技大学 | Urban road traffic state assessment method |
| CN104247361A (en) * | 2011-12-01 | 2014-12-24 | 英特尔公司 | Secure message filtering to vehicle electronic control units with secure provisioning of message filtering rules |
| CN104732237A (en) * | 2015-03-23 | 2015-06-24 | 江苏大学 | Method for identifying false traffic information in internet of vehicles |
| CN105430005A (en) * | 2015-12-15 | 2016-03-23 | 曹文静 | False information detection method in vehicle safety information network |
-
2018
- 2018-01-15 CN CN201810036430.7A patent/CN108257404B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050025291A1 (en) * | 2001-03-12 | 2005-02-03 | Vidius Inc. | Method and system for information distribution management |
| CN104247361A (en) * | 2011-12-01 | 2014-12-24 | 英特尔公司 | Secure message filtering to vehicle electronic control units with secure provisioning of message filtering rules |
| CN103606274A (en) * | 2012-12-18 | 2014-02-26 | 北京科技大学 | Urban road traffic state assessment method |
| CN104732237A (en) * | 2015-03-23 | 2015-06-24 | 江苏大学 | Method for identifying false traffic information in internet of vehicles |
| CN105430005A (en) * | 2015-12-15 | 2016-03-23 | 曹文静 | False information detection method in vehicle safety information network |
Non-Patent Citations (1)
| Title |
|---|
| 罗崇伟等: "基于车联网的虚假数据检测模型", 《计算机工程与设计》 * |
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