CN108022435A - A kind of traffic control method and system - Google Patents
A kind of traffic control method and system Download PDFInfo
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- CN108022435A CN108022435A CN201610936229.5A CN201610936229A CN108022435A CN 108022435 A CN108022435 A CN 108022435A CN 201610936229 A CN201610936229 A CN 201610936229A CN 108022435 A CN108022435 A CN 108022435A
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- trackside node
- traffic
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- competency
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention relates to intelligent transportation field, more particularly to a kind of traffic control method and system, this method to be：Trackside node is analyzed the traffic state information that the vehicle in the compass of competency of real-time reception is sent in advance,And analysis result is sent to server,Server is according to the analysis result of each trackside node received,Respectively corresponding communications policy is generated for each trackside node,And it is sent respectively to corresponding trackside node,Trackside node can adjust accordingly the traffic in compass of competency according to the communications policy received,Since the communications policy that server issues is generated according to real-time traffic state information in each trackside node compass of competency,Therefore,With timeliness and of overall importance,Being capable of General Promotion traffic efficiency,Improve traffic,At the same time,Trackside node analyzes traffic state information in advance,Reduce the transmission of redundancy,So as to alleviate the load of server,Improve the service efficiency of system.
Description
Technical field
The present invention relates to intelligent transportation field, more particularly to a kind of traffic control method and system.
Background technology
As the continuous lifting of people's quality of life and the transformation of life idea, automobile have become the required of life
Product, however, the automobile quantity sharply increased and the appearance of path resource in short supply so that traffic allows of no optimist.
It is simple expand by road, the mode such as restricting the number is restricted driving solves the traffic to allow of no optimist, effect is simultaneously unknown
Aobvious, under the prior art, alleviating traffic usually has following two schemes.
Scheme one：Realize that traffic conditions are predicted using technologies such as intelligent terminal, big datas, so as to reach the mesh of traffic control
, e.g., using navigation type application program, carry out traffic flow forecasting and optimum path planning.
It is to first pass through the information such as the position for gathering mobile terminal, speed, acceleration, motion track in scheme one, determining should
Mobile terminal affiliated traffic classification (e.g., motor vehicles, pedestrian, non power driven vehicle etc.), so that the magnitude of traffic flow is analyzed, further according to
The situation planning optimal path of the above-mentioned magnitude of traffic flow, provides travel route suggestion to the user, hides congestion, this mode is to pass through
Mobile terminal is analyzed to predict traffic, it is impossible to ensure the timeliness of data, real-time is poor.
Scheme two：By traffic platform, the duration of traffic lights is directly controlled, extends the transit time on congestion side line road.
It is by by traffic platform, the magnitude of traffic flow being adjusted to a direction or certain road, although energy in scheme two
Traffic control is carried out according to real-time traffic condition, but this scheme has certain limitation, can only for a direction or
Certain road carries out traffic control, can not global regulation.
In view of this, it is necessary to design a kind of new traffic control method to overcome drawbacks described above.
The content of the invention
The embodiment of the present invention provides a kind of traffic control method and system, to solve existing in the prior art not having
Effect alleviates the problem of traffic.
Concrete technical scheme provided in an embodiment of the present invention is as follows：
A kind of system of traffic control, including at least server and some trackside nodes, wherein,
Trackside node, for receiving the traffic state information of the transmission of at least trolley in compass of competency, and to obtaining
Traffic state information analyzed, analysis result is sent to server, and receive the communications policy that server is sent, and
Perform the communications policy；
Server, the analysis result of the traffic state information sent for receiving each trackside node, and based on acquisition
Each analysis result generates corresponding communications policy for each trackside node respectively, and respectively by each communications policy
Send to corresponding trackside node.
Optionally, when receiving the traffic state information that at least trolley in compass of competency is sent, the trackside node
For：
Directly receive the traffic state information that at least trolley in the compass of competency is sent；Alternatively,
The traffic state information that at least trolley in the compass of competency is sent is received, and is received in compass of competency
Auxiliary route side gusset forwarding an at least trolley traffic state information, wherein, auxiliary route side gusset is the administrative area
The trackside node not being connected in domain with traffic lights.
Optionally, the traffic state information of acquisition is analyzed, when analysis result is sent to server, the trackside
Node is used for：
The important information for meeting preset condition whether is contained in the traffic state information for judging to obtain；
If so, the important information is then extracted from the traffic state information, it is right after the important information is preserved
The traffic state information is analyzed, and analysis result and the important information are sent to server together；
Otherwise, then directly the traffic state information is analyzed, and analysis result is sent to server.
Optionally, each analysis result based on acquisition generates corresponding communications policy for any one trackside node
When, the server is used for：
Each analysis result based on acquisition, determines the traffic shadow between the compass of competency of the adjacent trackside node of each two
Loudness；
Judge whether the adjacent trackside node of any one trackside node uploads important information, and it is described any one
Whether a trackside node is influenced by the important information；
If so, the analysis result then based on any one trackside node, with reference to any one described trackside node with
Traffic Impact Level between the compass of competency of its adjacent trackside node, and the trackside that any one trackside node is adjacent
The important information that node uploads, corresponding communications policy is generated for any one described trackside node；
Otherwise, the analysis result based on any one trackside node, with reference to any one described trackside node and its
Traffic Impact Level between the compass of competency of adjacent trackside node, corresponding hand over is generated for any one described trackside node
Logical decision-making.
Optionally, the communications policy includes at least matching somebody with somebody for traffic lights in the compass of competency of any one trackside node
When.
Optionally, when any one communications policy is sent to corresponding trackside node, the server is used for：
The adjacent trackside node of the corresponding trackside node of any one communications policy uploads important described in judging whether
Information, and whether the corresponding trackside node of any one described communications policy is influenced by the important information；
If so, then any one described communications policy and the important information are sent to corresponding trackside node；
Otherwise, then any one described communications policy is sent to corresponding trackside node.
Optionally, when receiving the communications policy that server returns, and performing the communications policy, the trackside node is used
In：
If the trackside node receives the communications policy of server transmission, administrative area is adjusted according to the communications policy
The timing of traffic lights in domain, and the timing is handed down to all vehicles in compass of competency；
If the trackside node receives the communications policy and important information of server transmission, according to the communications policy
The timing of traffic lights in compass of competency is adjusted, and the timing and the important information are handed down to all cars in compass of competency
.
A kind of method of traffic control, including：
Trackside node receives the traffic state information that at least trolley in compass of competency is sent；
Trackside node analyzes the traffic state information of acquisition, and analysis result is sent to server；
Trackside node receives the communications policy that server is sent, and performs the communications policy, wherein, the communications policy
It is that the analysis result of the traffic state information that the server is reported based on each trackside node generates.
Optionally, trackside node receives the traffic state information that at least trolley in compass of competency is sent, including：
Trackside node directly receives the traffic state information that at least trolley in the compass of competency is sent；Alternatively,
Trackside node receives the traffic state information that at least trolley in the compass of competency is sent, and reception pipe
The traffic state information of an at least trolley for auxiliary route side gusset forwarding in the domain of area under one's jurisdiction, wherein, auxiliary route side gusset is institute
State the trackside node not being connected in compass of competency with traffic lights.
Optionally, trackside node analyzes the traffic state information of acquisition, and analysis result is sent to server,
Including：
The important information for meeting preset condition whether is contained in the traffic state information that trackside node judges to obtain；
If so, the important information is then extracted from the traffic state information, it is right after the important information is preserved
The traffic state information is analyzed, and analysis result and the important information are sent to server together；
Otherwise, then directly the traffic state information is analyzed, and analysis result is sent to server.
Optionally, trackside node receives the communications policy that server is sent, and performs the communications policy, including：
If the trackside node receives the communications policy of server transmission, administrative area is adjusted according to the communications policy
The timing of traffic lights in domain, and the timing is handed down to all vehicles in compass of competency；
If the trackside node receives the communications policy of server transmission, and receives to the trackside node administrative area
The influential important information in domain, then according to the timing of traffic lights in communications policy adjustment compass of competency, and by the timing
All vehicles being handed down to the important information in compass of competency.
A kind of method of traffic control, including：
Server receives the analysis result for the traffic state information that each trackside node is sent, wherein, a trackside node
The traffic state information of acquisition, is that an at least trolley is sent in the compass of competency of one trackside node；
Each analysis result of the server based on acquisition generates corresponding communications policy for each trackside node respectively；
Server respectively sends each communications policy to corresponding trackside node.
Optionally, each analysis result of the server based on acquisition generates corresponding traffic for any one trackside node
Decision-making, including：
Each analysis result of the server based on acquisition, between the compass of competency for determining the adjacent trackside node of each two
Traffic Impact Level；
Judge whether the adjacent trackside node of any one trackside node uploads important information, and it is described any one
Whether a trackside node is influenced by the important information；
If so, the analysis result then based on any one trackside node, with reference to any one described trackside node with
Traffic Impact Level between the compass of competency of its adjacent trackside node, and the trackside that any one trackside node is adjacent
The important information that node uploads, corresponding communications policy is generated for any one described trackside node；
Otherwise, the analysis result based on any one trackside node, with reference to any one described trackside node and its
Traffic Impact Level between the compass of competency of adjacent trackside node, corresponding hand over is generated for any one described trackside node
Logical decision-making.
Optionally, the communications policy includes at least matching somebody with somebody for traffic lights in the compass of competency of any one trackside node
When.
Optionally, server sends any one communications policy to corresponding trackside node, including：
Server judges whether that the adjacent trackside node of the corresponding trackside node of any one described communications policy uploads
Important information, and whether the corresponding trackside node of any one described communications policy is influenced by the important information；
If so, then any one described communications policy and the important information are sent to corresponding trackside node；
Otherwise, then any one described communications policy is sent to corresponding trackside node.
A kind of device of traffic control, including：
Receiving unit, for receiving the traffic state information of the transmission of at least trolley in compass of competency；
Analytic unit, for analyzing the traffic state information of acquisition, and analysis result is sent to server；
Execution unit, for receiving the communications policy of server transmission, and performs the communications policy, wherein, the friendship
Logical decision-making is that the analysis result for the traffic state information that the server is reported based on each described device generates.
Optionally, when receiving the traffic state information that at least trolley in compass of competency is sent, the receiving unit
For：
Described device directly receives the traffic state information that at least trolley in the compass of competency is sent；Alternatively,
Described device receives the traffic state information that at least trolley in the compass of competency is sent, and reception pipe
The traffic state information of an at least trolley for auxiliary described device forwarding in the domain of area under one's jurisdiction, wherein, auxiliary described device is institute
State the described device not being connected in compass of competency with traffic lights.
Optionally, when analyzing the traffic state information of acquisition, and analysis result sent to server, described point
Analysis unit is used for：
The important information for meeting preset condition whether is contained in the traffic state information that described device judges to obtain；
If so, the important information is then extracted from the traffic state information, it is right after the important information is preserved
The traffic state information is analyzed, and analysis result and the important information are sent to server together；
Otherwise, then directly the traffic state information is analyzed, and analysis result is sent to server.
Optionally, when receiving the communications policy that server is sent, and performing the communications policy, the execution unit is used
In：
If described device receives the communications policy of server transmission, according in communications policy adjustment compass of competency
The timing of traffic lights, and the timing is handed down to all vehicles in compass of competency；
If described device receives the communications policy of server transmission, and receives and have an impact to described device compass of competency
Important information, then according to the timing of traffic lights in communications policy adjustment compass of competency, and by the timing and described heavy
Information is wanted to be handed down to all vehicles in compass of competency.
A kind of device of traffic control, including：
Receiving unit, the analysis result of the traffic state information sent for receiving each trackside node, wherein, a road
The traffic state information that side gusset obtains, is that an at least trolley is sent in the compass of competency of one trackside node；
Decision package is generated, it is corresponding for the generation of each trackside node respectively for each analysis result based on acquisition
Communications policy；
Transmitting element, for respectively sending each communications policy to corresponding trackside node.
Optionally, each analysis result based on acquisition generates corresponding communications policy for any one trackside node
When, generation decision package is used for：
Each analysis result of the described device based on acquisition, between the compass of competency for determining the adjacent trackside node of each two
Traffic Impact Level；
Judge whether the adjacent trackside node of any one trackside node uploads important information, and it is described any one
Whether a trackside node is influenced by the important information；
If so, the analysis result then based on any one trackside node, with reference to any one described trackside node with
Traffic Impact Level between the compass of competency of its adjacent trackside node, and the trackside that any one trackside node is adjacent
The important information that node uploads, corresponding communications policy is generated for any one described trackside node；
Otherwise, the analysis result based on any one trackside node, with reference to any one described trackside node and its
Traffic Impact Level between the compass of competency of adjacent trackside node, corresponding hand over is generated for any one described trackside node
Logical decision-making.
Optionally, the communications policy includes at least matching somebody with somebody for traffic lights in the compass of competency of any one trackside node
When.
Optionally, when any one communications policy is sent to corresponding trackside node, the transmitting element is used for：
Described device judges whether on the adjacent trackside node of the corresponding trackside node of any one described communications policy
Important information is passed, and whether the corresponding trackside node of any one described communications policy is influenced by the important information；
If so, then any one described communications policy and the important information are sent to corresponding trackside node；
Otherwise, then any one described communications policy is sent to corresponding trackside node.
The present invention has the beneficial effect that：
In the embodiment of the present invention, trackside node by the compass of competency of real-time reception vehicle send traffic state information
Analyzed in advance, and analysis result is sent to server, the analysis result of each trackside node of the server based on acquisition,
Determine the Traffic Impact Level between the compass of competency of the adjacent trackside node of each two, and according to each trackside node of acquisition
Analysis result, with reference to the Traffic Impact Level between each trackside node and adjacent trackside node, respectively for each trackside
Node generates corresponding communications policy, and is sent respectively to corresponding trackside node, what each trackside node meeting basis received
Timing of the communications policy to the traffic lights in respective compass of competency adjusts accordingly, since the communications policy that server issues is
According to each real-time traffic state information generation in compass of competency of each trackside node and adjacent trackside node, it is contemplated that
The linkage of each trackside node, therefore, the communications policy that server issues have timeliness and of overall importance, can change comprehensively
Kind traffic, lifts traffic efficiency, simultaneously as trackside node analyzes traffic state information in advance, will be effective
Analysis result is sent to server, reduces the transmission of redundancy, alleviates the load of server, so as to improve system
Work efficiency.
Brief description of the drawings
Fig. 1 is the system architecture diagram of traffic control system in the embodiment of the present invention；
Fig. 2 is traffic control system illustrative view of functional configuration in the embodiment of the present invention；
Fig. 3 is traffic control method flow chart in the embodiment of the present invention；
Fig. 4 is Road of embodiment of the present invention side gusset illustrative view of functional configuration；
Fig. 5 is server capability structure diagram in the embodiment of the present invention.
Embodiment
In order to solve the problems, such as effectively alleviate in the prior art traffic, in the embodiment of the present invention, one is devised
Kind traffic control method, this method are：The traffic behavior that trackside node sends the vehicle in the compass of competency of real-time reception is believed
Breath is analyzed in advance, and analysis result is sent to server, and server is according to the analysis of each trackside node received
As a result, generating corresponding communications policy for each trackside node respectively, and it is sent respectively to corresponding trackside node, trackside
Node can adjust accordingly the traffic in compass of competency according to the communications policy received.
The present invention program is described in detail below by specific embodiment, certainly, the present invention is not limited to following reality
Apply example.
As shown in fig.1, in the embodiment of the present invention, all vehicles all possess with trackside node (Road Side Unite,
RSU) the ability of communication, each crossing correspond to a traffic lights, and at least one trackside node of each crossing, wherein,
In intelligent transportation field, the vehicle run at high speed on road can lead to (Vehicle with road infrastructure by bus or train route
To Infrastructure, V2I) direct communication, in currently preferred mode, be between all vehicle and trackside nodes with
V2I communicates.
In the embodiment of the present invention, illustrated by taking a server as an example, in practical applications, can be according to server
Data-handling capacity, the size of data volume is adjusted in the quantity and deployment region of trackside node in deployment region.
As shown in fig.2, in the embodiment of the present invention, devise a kind of traffic control system, if including at least server and
Main line side gusset, wherein,
Trackside node, for receiving the traffic state information of the transmission of at least trolley in compass of competency, and to obtaining
Traffic state information analyzed, analysis result is sent to server, and receive the communications policy that server is sent, and
Perform the communications policy；
Server, the analysis result of the traffic state information sent for receiving each trackside node, and based on acquisition
Each analysis result generates corresponding communications policy for each trackside node respectively, and respectively by each communications policy
Send to corresponding trackside node.
Specifically, as shown in fig.3, the preferred embodiment of the present invention is described in detail with reference to attached drawing, this hair
The idiographic flow of traffic control is as follows in bright embodiment：
Step 300：Each trackside node receives the traffic behavior letter that at least trolley in respective compass of competency is sent
Breath.
Specifically, all vehicles can by V2I communication cycles to surrounding broadcast traffic state information, wherein, it is above-mentioned
Traffic state information has included at least status information (e.g., the car number, position, speed, acceleration, direct of travel of this vehicle
Etc.), and gathered by the self-contained other sensors of vehicle (e.g., camera, millimetre-wave radar, laser radar etc.)
The traffic information (e.g., road construction, road service system etc.) and traffic information (e.g., vehicle flowrate, accident etc.) arrived.
Further, when vehicle is when to surrounding broadcast traffic state information, each trackside node can receive respective pipe
The traffic state information that all vehicles in the domain of area under one's jurisdiction are sent, since the coverage distance of V2I communications is limited, for some
Larger crossing, it will usually need to dispose multiple trackside nodes, but the trackside node only with the traffic lights at place crossing being connected
Just possess with the ability of server communication and ability that the traffic state information that is sent to each vehicle is analyzed, without with institute
Other trackside nodes (hereinafter referred to as auxiliary route side gusset) that traffic lights at crossing is connected as just a relay forwarding point,
By the traffic state information of all vehicles in the compass of competency received, collect what crossing where being forwarded to was connected with traffic lights
Trackside node, i.e. the compass of competency of trackside node does not imply that the overlay area of trackside node, due to covering for trackside node
Cover area is limited, therefore, needs auxiliary route side gusset to assist for the compass of competency being positioned over outside region.
Further, each trackside node is receiving the traffic shape of the transmission of at least trolley in respective compass of competency
During state information, the following two kinds situation is had:
Situation one：If the overlay area of current trackside node is more than or equal to compass of competency, i.e. place crossing only exists
When stating a trackside node, then, which directly receives the traffic shape that at least trolley in compass of competency is sent
State information.
For example, it is assumed that there are a crossing A, and crossing A only exists a trackside node 1, in 1 compass of competency of trackside node
It there is currently 3 trolleys；There are a crossing B, and crossing B only exists a trackside node 2, the compass of competency of trackside node 2
It inside there is currently 4 trolleys, then, trackside node 1 can directly receive the traffic behavior letter that vehicle 1, vehicle 2 and vehicle 3 are sent
Breath, trackside node 2 can directly receive the traffic state information that vehicle 1, vehicle 2, vehicle 3 and vehicle 4 are sent.
Situation two：If the overlay area of current trackside node is less than compass of competency, i.e. place crossing is except there are above-mentioned
One trackside node, also there are during N number of (not for 0 integer) auxiliary route side gusset, then, which administers except receiving
The traffic state information that an at least trolley in region is sent, will also receive what the auxiliary route side gusset in compass of competency forwarded
At least traffic state information of a trolley.
For example, it is assumed that there are a crossing C, and crossing C, there are the trackside being connected with a traffic lights node 1, also there are 2
A auxiliary route side gusset not being connected with traffic lights, is respectively auxiliary route side gusset 2 and auxiliary route side gusset 3, and aids in trackside
Node 2 and auxiliary route side gusset 3 are located in the compass of competency of trackside node, it is assumed that have 2 in the compass of competency of auxiliary route side gusset 2
A vehicle, is respectively vehicle 1 and vehicle 2, it is assumed that has 2 vehicles in the compass of competency of auxiliary route side gusset 3, is respectively vehicle 3
With vehicle 4, it is assumed that have 3 vehicles in the compass of competency of trackside node 1, be respectively vehicle 5, vehicle 6 and vehicle 7, then, pass through
Vehicle is broadcasted, and auxiliary route side gusset 2 can receive the traffic state information that vehicle 1 and vehicle 2 are sent, 3 meeting of auxiliary route side gusset
The traffic state information that vehicle 3 and vehicle 4 are sent is received, trackside node 1 can not only receive vehicle 5, vehicle 6 and vehicle 7
The traffic state information of transmission, but also the traffic shape that the vehicle 1 of the forwarding of auxiliary route side gusset 2 and vehicle 2 are sent can be received
State information, and the traffic state information that the vehicle 3 of the forwarding of auxiliary route side gusset 3 and vehicle 4 are sent.
Step 301：Whether contain and meet in the traffic state information that each trackside node judges to be respectively received respectively
The important information of preset condition, if so, then performing step 302；Otherwise, step 305 is performed.
Specifically, when each trackside node receives the traffic behavior of an at least trolley transmission in respective compass of competency
After information, the traffic state information being respectively received can be judged respectively, judge the traffic state information being respectively received
In whether contain the important information for meeting preset condition, wherein, the important information in preset condition refer to the traffic behavior believe
The information that other vehicles make a big impact is contained in breath, e.g., traffic accident, vehicle, which breaks down, stops at road center etc.
Deng.
For example, by taking the example 1 in step 300 as an example, if currently there occurs traffic accident for vehicle 1, then, vehicle 1 is to road
Car status information of the vehicle 1 in some time section generation traffic accident can be included in the traffic state information that side gusset 1 is sent,
After the traffic state information of vehicle 1, vehicle 2 and vehicle 3 that trackside node 1 receives, by parsing, above-mentioned traffic shape is determined
The important information for meeting preset condition is contained in state information, and performs step 302.
For example, by taking the example 2 in step 300 as an example, by parsing, if vehicle 5,6 and of vehicle that trackside node 1 receives
Without the important information for meeting preset condition in the traffic state information that vehicle 7 is sent, the forwarding of auxiliary route side gusset 2 is received
The traffic state information that vehicle 1 and vehicle 2 are sent, and the traffic that the vehicle 3 of the forwarding of auxiliary route side gusset 3 and vehicle 4 are sent
Without the important information for meeting preset condition in status information, then, trackside node 1 confirms the traffic state information received
In without the important information of preset condition is met, perform step 305.
Step 302：The each trackside node for receiving important information is respectively preserved respective important information.
Specifically, receiving each trackside node of important information respectively can will extract respective important information,
And preserved in the storage region each specified in advance for important information, wherein, receive each trackside of important information
Node refers to contain the important information for meeting preset condition in the traffic state information that each trackside node receives.
For example, by taking the example 1 in step 301 as an example, it is assumed that trackside node 1 is in the storage region that important information is specified is
Deposit, when trackside node 1 confirms to contain the important information for meeting preset condition in the traffic state information that receives, (vehicle 1 exists
Some time, there occurs traffic accident in somewhere) when, above-mentioned important information (vehicle 1 some time somewhere there occurs traffic accident) is extracted
Come, and preserved in the memory of trackside node 1.
Step 303：The each trackside node for receiving important information respectively carries out the traffic state information each received
Analysis.
Specifically, each trackside node for receiving important information respectively divides the traffic state information each received
Analysis, above-mentioned each trackside node support edge calculations, and related algorithm (e.g., machine learning, statistical algorithms etc.) can be utilized right
The traffic state information being respectively received is analyzed, and provides the analysis result of each trackside node, wherein, above-mentioned analysis knot
Fruit can include the actual vehicle flowrate of all directions of every road in compass of competency, the saturation degree estimation (vehicle number that can be born
Amount) and road information (e.g., track quantity, speed limit, category of roads etc.) etc..
For example, it is assumed that have 20 trolleys and 36 trolleys respectively in 4 respective compass of competency of trackside node 1 and trackside node,
It is respectively 1-20 and 1-36 to number, and 20 trolleys in 1 compass of competency of trackside node have sent respective traffic to trackside node 1
Status information, wherein, vehicle 5 and vehicle 10 not only have sent respective traffic state information to trackside node 1, also have sent each
From important information, be respectively important information a and important information b, 36 trolleys in 4 compass of competency of trackside node are to trackside section
Point 4 have sent respective traffic state information, the traffic state information that trackside node 1 sends 20 trolleys in compass of competency
Analyzed, draw analysis result 1, trackside node 4 carries out the traffic state information that 36 trolleys in compass of competency are sent
Analysis, draws analysis result 4.
Step 304：The each trackside node for receiving important information respectively sends out respective analysis result and important information
Send to server.
Specifically, each trackside node for receiving important information respectively sends respective analysis result and important information
To server, i.e. each trackside node for receiving important information is not only sent respective analysis result to server, goes back handle
The important information being respectively received is sent to server together.
For example, continue to illustrate with example in step 303, what trackside node 1 was sent to server is not merely to pipe
The analysis result 1 of the traffic state information analysis of 20 trolleys, also have sent important information X to server in the range of linchpin, wherein,
Important information X includes important information a and important information b, and trackside node 4 is sent to 36 trolleys in compass of competency to server
The analysis result 4 of traffic state information analysis.
Step 305：Do not receive each trackside node of important information respectively to the traffic state information that each receives into
Row analysis.
Specifically, each trackside node for not receiving important information respectively carries out the traffic state information each received
Analysis, wherein, each trackside node for not receiving important information refers to the traffic behavior letter that each trackside node receives
The important information for meeting preset condition is not included in breath.
Further, above-mentioned each trackside node supports edge calculations, can utilize related algorithm (e.g., machine learning, system
Meter learns algorithm etc.) traffic state information being respectively received is analyzed, and the analysis result of each trackside node is provided, its
In, above-mentioned analysis result can include the actual flow of all directions of every road in compass of competency, saturation degree estimation (can be held
The vehicle fleet size received) and road information (e.g., track quantity, speed limit, category of roads etc.) etc..
For example, it is assumed that have 30 trolleys and 15 trolleys respectively in 3 respective compass of competency of trackside node 2 and trackside node,
Number and distinguish 1-30 and 1-15,30 trolleys in 2 compass of competency of trackside node have sent respective traffic shape to trackside node 2
State information, 15 trolleys in 3 compass of competency of trackside node have sent respective traffic state information, trackside to trackside node 3
Node 2 is analyzed by the traffic state information sent to 30 trolleys in compass of competency, draws analysis result 2, trackside
Node 3 is analyzed by the traffic state information sent to 15 trolleys in compass of competency, draws analysis result 3.
Step 306：The each trackside node for not receiving important information respectively sends respective analysis result to service
Device.
Specifically, each trackside node for not receiving important information respectively sends respective analysis result to service
Device.
For example, being continued to explain with the example of step 305, trackside node 2 can be by the friendship to 30 trolleys in compass of competency
The analysis result 2 of logical status information analysis is sent to server, and trackside node 3 also can be by the friendship of 15 trolleys in compass of competency
The analysis result 3 of logical status information analysis is sent to server.
Step 307：Server receives the analysis result that each trackside node is sent, and each analysis knot based on acquisition
Fruit, determines the Traffic Impact Level between the adjacent trackside node compass of competency of each two.
Specifically, since the traffic between adjacent area interacts, when server receives each trackside
After the analysis result that node is sent, the adjacent trackside node administrative area of each two can be determined based on each analysis result of acquisition
Traffic Impact Level between domain, wherein, the Primary Reference of Traffic Impact Level is divided according to the respective analysis for each trackside node
As a result in, comprising compass of competency in every road all directions actual flow, in the embodiment of the present invention, Traffic Impact Level
Preferred embodiment is to be divided into high, medium and low three grades according to degree of influence.
For example, it is assumed that there are a region, there are tetra- crossings of A, B, C, D, wherein, A is adjacent with B, C difference, and D divides with B, C
It is not adjacent, and corresponding trackside node is respectively trackside node 1, trackside node 2, trackside node 3 and trackside node 4, server
After the analysis result of trackside node 1-4 is received, 2 respective analysis result of trackside node 1 and trackside node can be based on, draws friendship
Logical disturbance degree a, based on 3 respective analysis result of trackside node 1 and trackside node, draws Traffic Impact Level b, based on trackside node
4 and 2 respective analysis result of trackside node, Traffic Impact Level c is drawn, based on the 3 respective analysis of trackside node 4 and trackside node
As a result, draw Traffic Impact Level d.
Step 308：Analysis result of the server based on each trackside node, with reference to each above-mentioned trackside node and phase
Traffic Impact Level between the compass of competency of adjacent trackside node, respective friendship is generated for each above-mentioned trackside node
Logical decision-making.
Specifically, analysis result of the server based on each trackside node, with reference to each above-mentioned trackside node and phase
Traffic Impact Level between the compass of competency of adjacent trackside node, respective friendship is generated for each above-mentioned trackside node
Logical decision-making, in the preferred embodiment of the invention, the communications policy for a trackside node generation can be for the trackside section
The timing of traffic lights in point compass of competency, wherein, server is respective specific to the generation of each trackside node
There is the following two kinds situation during communications policy：
Situation one：If the adjacent trackside node of trackside node have sent important information to server, and the trackside node by
To the influence of this important information, then, server can the analysis result based on the trackside node, with reference to the trackside node and its phase
Traffic Impact Level between the compass of competency of adjacent trackside node, and combine what the adjacent trackside node of the trackside node uploaded
Important information, corresponding communications policy is generated according to congestion avoidance algorithm for the trackside node.
For example, continuing to illustrate with the example in step 307, the adjacent trackside node of trackside node 1 has trackside node 2
With trackside node 3, it is assumed that trackside node 2 have sent important information S to server, and important information S satisfies the need 1 administrative area of side gusset
Vehicle in domain has an impact, then, server can be reported when the side gusset 1 that satisfies the need generates communications policy based on trackside node 1
Analysis result, with reference to important information S and Traffic Impact Level a and Traffic Impact Level b generation communications policies 1.
Situation two：If the adjacent trackside node of trackside node does not send important information to server, then, server meeting
Based on the analysis result of the trackside node, with reference to trackside node trackside node adjacent thereto compass of competency between traffic
Disturbance degree, corresponding communications policy is generated according to congestion avoidance algorithm for said one trackside node.
For example, still continuing to illustrate with the example in step 307, the adjacent trackside node of trackside node 4 has trackside section
Point 2 and trackside node 3, server, can be based on the analysis knots that trackside node 4 reports when the side gusset 1 that satisfies the need generates communications policy
Fruit, with reference to Traffic Impact Level a and Traffic Impact Level b generation communications policies 4.
Step 309：Server sends each communications policy to corresponding each trackside node.
Specifically, after server is completed to generate respective communications policy for each trackside node, can be by respectively
A communications policy is sent to corresponding each trackside node, wherein, server is sent to corresponding each by each communications policy
Before a trackside node, first the corresponding each trackside node of above-mentioned each communications policy can be judged, judge above-mentioned each road
Upload the trackside node of important information with the presence or absence of adjacent trackside node in side gusset, and the trackside node be subject to it is adjacent
The influence of the important information of trackside node, according to judging result, specifically there is the following two kinds situation：
Situation one：If the adjacent trackside node there are a trackside node uploads important information, and the trackside node
The influence of the important information of adjacent trackside node is received, then server is sent to this by the communications policy of the trackside node
During trackside node, it is also necessary to will be sent with the relevant important information of trackside node to the trackside node, and remind inform this in time
The traffic on the driver periphery in trackside node compass of competency, facilitates its adjustment traveling strategy.
For example, continuing to illustrate with the example one in step 308, server can not only send to trackside node 1 and correspond to
Communications policy 1, can also send important information S to trackside node 1.
Situation two：If there are the adjacent trackside node of a trackside node not to upload important information, server directly will
The corresponding communications policy of trackside node is sent to the trackside node.
For example, continuing to illustrate with the example two in step 308, server can directly send to trackside node 4 and correspond to
Communications policy 4.
Step 310：Each trackside node receives the communications policy that server is sent.
Specifically, two kinds of situations in corresponding step 309, each trackside node receive the communications policy that server is sent
Can there are following two situations：
Situation one：Trackside node not only receives the communications policy of server transmission, also receives pair of server transmission
The important information that compass of competency traffic impacts.
For example, continuing to illustrate with the example one in step 309, trackside node 1 can receive the friendship of server transmission
Logical decision-making 1 and important information S.
Situation two：Trackside node receives the communications policy that server is sent.
For example, continuing to illustrate with the example two in step 309, trackside node 4 can receive the friendship of server transmission
Logical decision-making 4.
Step 311：Timing of each trackside node based on traffic lights in the communications policy adjustment compass of competency each received,
And above-mentioned timing is handed down to all vehicles in compass of competency.
Specifically, two kinds of situations in corresponding step 310, each trackside node is determined in the traffic for receiving server transmission
After plan, two kinds of situations are also had when performing each corresponding communications policy.
Situation one：Trackside node receives only the communications policy of server transmission, then above-mentioned trackside node performs corresponding
Communications policy, due to currently preferred communications policy in trackside node compass of competency traffic lights with (in seconds)
When, therefore, above-mentioned trackside node can adjust the timing of traffic lights in compass of competency, and above-mentioned timing is broadcast to administrative area
All vehicles in domain, wherein, trackside node is received in adjustment compass of competency after the timing of traffic lights, and is always maintained at this and is matched somebody with somebody
When, the communications policy until receiving change timing next time.
For example, it is assumed that there are a trackside node 1, compass of competency is crossing A and neighbouring 2 kilometer range, if trackside node 1
Receiving instruction crossing A in the communications policy of server transmission, main road passes through slowly from south to north, and vehicle flowrate is larger, according to above-mentioned
Instruction, trackside node 1 adjust the current duration of crossing A traffic lights from south to north, extend crossing A current durations 30 from south to north
Second, if a length of 60 seconds when the originals of crossing A from south to north are current, then, at this time a length of 90 seconds during crossing A from south to north current,
And crossing A green lights are changed to all vehicles that the message of 90 seconds is broadcast in crossing A and neighbouring 2 kilometer range.
Situation two：Communications policy of the trackside node except receiving server transmission, also have received can administer itself
The important information that regional traffic impacts, therefore, when above-mentioned trackside node is completed to itself according to the communications policy received
After the adjustment of traffic lights in compass of competency, except needing that above-mentioned timing is broadcast to all vehicles in compass of competency,
It is also desirable to the important information received is also broadcast to all vehicles in compass of competency together, so as to driver
Adjust traveling strategy in time with important information according to timing, improve running efficiency.
For example, it is assumed that there are a trackside node 2, compass of competency is crossing B and neighbouring 2 kilometer range, and crossing B is by east
Westwards direction vehicle low running speed, vehicle flowrate are larger, it is assumed that there are a trackside node 3 adjacent with trackside node 2, administrative area
Domain is crossing C and neighbouring 2 kilometer range, and from thering is vehicle 1 to send out at the C600 rice of crossing on east-west directions of the crossing C toward crossing B
Make trouble former, cause traffic jam, the information that accident occurs is broadcast to surrounding by vehicle 1, and trackside node 3 receives
Server is uploaded to after the important information sent to vehicle 1.
So, server to trackside node 2 when issuing decision information, while considers the analysis knot that trackside node 2 is sent
The important information that fruit " direction vehicle low running speed, vehicle flowrate are larger from east to west by crossing B " and trackside node 3 are sent is " in crossing C
On toward the east-west direction of crossing B from crossing C600 meters at have vehicle 1 that accident occurs ".
Consider, junction node 2 adjusts the current duration of crossing B traffic lights from east to west, extends crossing B from east to west
Current duration 40 seconds, if a length of 60 seconds when the originals of crossing B from east to west are current, then, at this time during crossing B from east to west current
A length of 100 seconds, and by crossing B long green light times be 100 seconds message and " from crossing on east-west directions of the crossing C toward crossing B
Have vehicle 1 that accident occurs at C600 meters " all vehicles in crossing B and neighbouring 2 kilometer range are broadcast to, remind driver's note
Meaning.
As shown in fig.4, in the embodiment of the present invention, traffic control device (e.g., trackside node) includes at least receiving unit
41st, analytic unit 42 and execution unit 43, wherein,
Receiving unit 41, for receiving the traffic state information of the transmission of at least trolley in compass of competency；
Analytic unit 42, for analyzing the traffic state information of acquisition, and analysis result is sent to server；
Execution unit 43, for receiving the communications policy of server transmission, and performs the communications policy, wherein, it is described
Communications policy is that the analysis result for the traffic state information that the server is reported based on each described device generates.
Optionally, when receiving the traffic state information that at least trolley in compass of competency is sent, the receiving unit
41 are used for：
Described device directly receives the traffic state information that at least trolley in the compass of competency is sent；Alternatively,
Described device receives the traffic state information that at least trolley in the compass of competency is sent, and reception pipe
The traffic state information of an at least trolley for auxiliary described device forwarding in the domain of area under one's jurisdiction, wherein, auxiliary described device is institute
State the described device not being connected in compass of competency with traffic lights.
Optionally, when analyzing the traffic state information of acquisition, and analysis result sent to server, described point
Analysis unit 42 is used for：
The important information for meeting preset condition whether is contained in the traffic state information that described device judges to obtain；
If so, the important information is then extracted from the traffic state information, it is right after the important information is preserved
The traffic state information is analyzed, and analysis result and the important information are sent to server together；
Otherwise, then directly the traffic state information is analyzed, and analysis result is sent to server.
Optionally, when receiving the communications policy that server is sent, and performing the communications policy, the execution unit 43 is used
In：
If described device receives the communications policy of server transmission, according in communications policy adjustment compass of competency
The timing of traffic lights, and the timing is handed down to all vehicles in compass of competency；
If described device receives the communications policy of server transmission, and receives and have an impact to described device compass of competency
Important information, then according to the timing of traffic lights in communications policy adjustment compass of competency, and by the timing and described heavy
Information is wanted to be handed down to all vehicles in compass of competency.
As shown in fig.5, in the embodiment of the present invention, traffic control device (e.g., server) include at least receiving unit 51,
Decision package 52 and transmitting element 53 are generated, wherein,
Receiving unit 51, the analysis result of the traffic state information sent for receiving each trackside node, wherein, one
The traffic state information that trackside node obtains, is that an at least trolley is sent in the compass of competency of one trackside node；
Decision package 52 is generated, for each analysis result based on acquisition respectively for each trackside node generation phase
The communications policy answered；
Transmitting element 53, for respectively sending each communications policy to corresponding trackside node.
Optionally, each analysis result based on acquisition generates corresponding communications policy for any one trackside node
When, generation decision package 52 is used for：
Each analysis result of the described device based on acquisition, between the compass of competency for determining the adjacent trackside node of each two
Traffic Impact Level；
Judge whether the adjacent trackside node of any one trackside node uploads important information, and it is described any one
Whether a trackside node is influenced by the important information；
If so, the analysis result then based on any one trackside node, with reference to any one described trackside node with
Traffic Impact Level between the compass of competency of its adjacent trackside node, and the trackside that any one trackside node is adjacent
The important information that node uploads, corresponding communications policy is generated for any one described trackside node；
Otherwise, the analysis result based on any one trackside node, with reference to any one described trackside node and its
Traffic Impact Level between the compass of competency of adjacent trackside node, corresponding hand over is generated for any one described trackside node
Logical decision-making.
Optionally, the communications policy includes at least matching somebody with somebody for traffic lights in the compass of competency of any one trackside node
When.
Optionally, when any one communications policy is sent to corresponding trackside node, the transmitting element 53 is used for：
Described device judges whether on the adjacent trackside node of the corresponding trackside node of any one described communications policy
Important information is passed, and whether the corresponding trackside node of any one described communications policy is influenced by the important information；
If so, then any one described communications policy and the important information are sent to corresponding trackside node；
Otherwise, then any one described communications policy is sent to corresponding trackside node.
In the embodiment of the present invention, trackside node by the compass of competency of real-time reception vehicle send traffic state information
Analyzed in advance, and analysis result is sent to server, the analysis result of each trackside node of the server based on acquisition,
Determine the Traffic Impact Level between the compass of competency of the adjacent trackside node of each two, and according to each trackside node of acquisition
Analysis result, with reference to the Traffic Impact Level between each trackside node and adjacent trackside node, respectively for each trackside
Node generates corresponding communications policy, and is sent respectively to corresponding trackside node, what each trackside node meeting basis received
Timing of the communications policy to the traffic lights in respective compass of competency adjusts accordingly, since the communications policy that server issues is
According to each real-time traffic state information generation in compass of competency of each trackside node and adjacent trackside node, it is contemplated that
The linkage of each trackside node, therefore, the communications policy that server issues have timeliness and of overall importance, can change comprehensively
Kind traffic, lifts traffic efficiency, simultaneously as trackside node analyzes traffic state information in advance, will be effective
Analysis result is sent to server, reduces the transmission of redundancy, alleviates the load of server, so as to improve system
Work efficiency.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided
The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to comprising including these modification and variations.
Claims (15)
- A kind of 1. system of traffic control, including at least server and some trackside nodes, it is characterised in that wherein,Trackside node, for receiving the traffic state information of the transmission of at least trolley in compass of competency, and to the friendship of acquisition Logical status information is analyzed, and analysis result is sent to server, and receives the communications policy that server is sent, and is performed The communications policy；Server, the analysis result of the traffic state information sent for receiving each trackside node, and based on each of acquisition Analysis result generates corresponding communications policy for each trackside node respectively, and respectively sends each communications policy To corresponding trackside node.
- 2. the system as claimed in claim 1, it is characterised in that receive the traffic that at least trolley in compass of competency is sent During status information, the trackside node is used for：Directly receive the traffic state information that at least trolley in the compass of competency is sent；Alternatively,The traffic state information that at least trolley in the compass of competency is sent is received, and is received auxiliary in compass of competency The traffic state information of an at least trolley for trackside node forwarding is helped, wherein, auxiliary route side gusset is in the compass of competency The trackside node not being connected with traffic lights.
- 3. system as claimed in claim 1 or 2, it is characterised in that analyze the traffic state information of acquisition, will analyze When as a result sending to server, the trackside node is used for：The important information for meeting preset condition whether is contained in the traffic state information for judging to obtain；If so, the important information is then extracted from the traffic state information, after the important information is preserved, to described Traffic state information is analyzed, and analysis result and the important information are sent to server together；Otherwise, then directly the traffic state information is analyzed, and analysis result is sent to server.
- 4. system as claimed in claim 3, it is characterised in that each analysis result based on acquisition is directed to any one trackside When node generates corresponding communications policy, the server is used for：Each analysis result based on acquisition, determines the traffic impact between the compass of competency of the adjacent trackside node of each two Degree；Judge whether the adjacent trackside node of any one trackside node uploads important information, and any one described road Whether side gusset is influenced by the important information；If so, the analysis result then based on any one trackside node, with reference to any one described trackside node and its phase Traffic Impact Level between the compass of competency of adjacent trackside node, and the trackside node that any one trackside node is adjacent The important information of upload, corresponding communications policy is generated for any one described trackside node；Otherwise, the analysis result based on any one trackside node, it is adjacent thereto with reference to any one described trackside node Trackside node compass of competency between Traffic Impact Level, generate corresponding traffic for any one described trackside node and determine Plan.
- 5. system as claimed in claim 4, it is characterised in that the communications policy includes at least any one described trackside section The timing of traffic lights in the compass of competency of point.
- 6. system as claimed in claim 4, it is characterised in that send any one communications policy to corresponding trackside node When, the server is used for：Judge whether that the adjacent trackside node of the corresponding trackside node of any one described communications policy uploads important information, And whether the corresponding trackside node of any one described communications policy is influenced by the important information；If so, then any one described communications policy and the important information are sent to corresponding trackside node；Otherwise, then any one described communications policy is sent to corresponding trackside node.
- 7. system as claimed in claim 6, it is characterised in that receive the communications policy that server returns, and perform the friendship During logical decision-making, the trackside node is used for：If the trackside node receives the communications policy of server transmission, according in communications policy adjustment compass of competency The timing of traffic lights, and the timing is handed down to all vehicles in compass of competency；If the trackside node receives the communications policy and important information of server transmission, adjusted according to the communications policy The timing of traffic lights in compass of competency, and the timing and the important information are handed down to all vehicles in compass of competency.
- A kind of 8. method of traffic control, it is characterised in that including：Trackside node receives the traffic state information that at least trolley in compass of competency is sent；Trackside node analyzes the traffic state information of acquisition, and analysis result is sent to server；Trackside node receives the communications policy that server is sent, and performs the communications policy, wherein, the communications policy is institute State the analysis result generation for the traffic state information that server is reported based on each trackside node.
- 9. method as claimed in claim 8, it is characterised in that trackside node receives an at least trolley hair in compass of competency The traffic state information sent, including：Trackside node directly receives the traffic state information that at least trolley in the compass of competency is sent；Alternatively,Trackside node receives the traffic state information that at least trolley in the compass of competency is sent, and receives administrative area The traffic state information of an at least trolley for auxiliary route side gusset forwarding in domain, wherein, auxiliary route side gusset is the pipe The trackside node not being connected in the domain of area under one's jurisdiction with traffic lights.
- 10. method as claimed in claim 8 or 9, it is characterised in that trackside node divides the traffic state information of acquisition Analysis, and analysis result is sent to server, including：The important information for meeting preset condition whether is contained in the traffic state information that trackside node judges to obtain；If so, the important information is then extracted from the traffic state information, after the important information is preserved, to described Traffic state information is analyzed, and analysis result and the important information are sent to server together；Otherwise, then directly the traffic state information is analyzed, and analysis result is sent to server.
- 11. method as claimed in claim 10, it is characterised in that trackside node receives the communications policy that server is sent, and The communications policy is performed, including：If the trackside node receives the communications policy of server transmission, according in communications policy adjustment compass of competency The timing of traffic lights, and the timing is handed down to all vehicles in compass of competency；If the trackside node receives the communications policy of server transmission, and receives and have to the trackside node compass of competency The important information of influence, then according to the timing of traffic lights in communications policy adjustment compass of competency, and by the timing and institute State all vehicles that important information is handed down in compass of competency.
- A kind of 12. method of traffic control, it is characterised in that including：Server receives the analysis result for the traffic state information that each trackside node is sent, wherein, a trackside node obtains Traffic state information, be that an at least trolley is sent in the compass of competency of one trackside node；Each analysis result of the server based on acquisition generates corresponding communications policy for each trackside node respectively；Server respectively sends each communications policy to corresponding trackside node.
- 13. method as claimed in claim 12, it is characterised in that each analysis result of the server based on acquisition is for any One trackside node generates corresponding communications policy, including：Each analysis result of the server based on acquisition, determines the traffic between the compass of competency of the adjacent trackside node of each two Disturbance degree；Judge whether the adjacent trackside node of any one trackside node uploads important information, and any one described road Whether side gusset is influenced by the important information；If so, the analysis result then based on any one trackside node, with reference to any one described trackside node and its phase Traffic Impact Level between the compass of competency of adjacent trackside node, and the trackside node that any one trackside node is adjacent The important information of upload, corresponding communications policy is generated for any one described trackside node；Otherwise, the analysis result based on any one trackside node, it is adjacent thereto with reference to any one described trackside node Trackside node compass of competency between Traffic Impact Level, generate corresponding traffic for any one described trackside node and determine Plan.
- 14. method as claimed in claim 13, it is characterised in that the communications policy includes at least any one described trackside The timing of traffic lights in the compass of competency of node.
- 15. method as claimed in claim 12, it is characterised in that server sends any one communications policy to corresponding Trackside node, including：Server judges whether that the adjacent trackside node of the corresponding trackside node of any one described communications policy uploads weight Information is wanted, and whether the corresponding trackside node of any one described communications policy is influenced by the important information；If so, then any one described communications policy and the important information are sent to corresponding trackside node；Otherwise, then any one described communications policy is sent to corresponding trackside node.
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