CN107682420A - A kind of automobile-used internet information exchange method - Google Patents
A kind of automobile-used internet information exchange method Download PDFInfo
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- CN107682420A CN107682420A CN201710858665.XA CN201710858665A CN107682420A CN 107682420 A CN107682420 A CN 107682420A CN 201710858665 A CN201710858665 A CN 201710858665A CN 107682420 A CN107682420 A CN 107682420A
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- vehicle
- access device
- networking
- automobile
- roadside access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Traffic Control Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of automobile-used internet information exchange method, including：Hierarchical network structure is established, including：The key-course being made up of control centre；The transport layer being made up of at least one roadside access device；And the client layer being made up of each vehicle；The present invention provides automobile-used internet information exchange method, available address section can have been pre-saved, the address configuration of new networking vehicle can be directly realized by, preserve adjacent address section simultaneously, thus, it is possible to cause access of the vehicle with the address in the adjacent network segment without carrying out network again, original address is directly used, information needed is asked by the roadside access device.
Description
Technical field
The present invention relates to smart machine field, and in particular to a kind of automobile-used internet information exchange method.
Background technology
Vehicle, road, pedestrian and roadside equipment are integrated an organic whole by car networking technology, to provide vehicle peace
Entirely, traffic control, information service, linking Internet etc. are applied.It is final to improve traffic efficiency, reduce traffic accident, lifting road
The traffic capacity, improve community service.Communicated between vehicle by roadside access device, be then communicated to corresponding to base station or
Control centre, roadside access device have provided the user relay services so that user can timely obtain information needed.
In order to obtain required service, user's vehicle obtains firstly the need of being linked into network from base station or control centre
Mailing address, and then the establishment of network is realized, and the setting of communication path.And existing address acquisition mode it is ageing compared with
Difference, moreover, roadside access device only realizes the forwarding effect of data, cause the wasting of resources.
The content of the invention
For problems of the prior art, in order to improve networks trategy, the resource of roadside access device is effectively utilized,
The present invention proposes a kind of automobile-used internet information exchange method.
In order to solve the above-mentioned technical problem, the invention provides a kind of automobile-used internet information exchange method, including：Establish
Hierarchical network structure, i.e., the key-course being made up of control centre；The transport layer being made up of at least one roadside access device；With
And the client layer being made up of each vehicle.
Further, each vehicle is suitable to send vehicle networking request data to a roadside access device, or sends travelling data；
The roadside access device is suitable to that vehicle networking request data will be received, and collects current roadside access device and connect each networking
The travelling data of vehicle, control centre is uploaded to build car networking；And the control centre is suitable to according to networking vehicle
Request push information needed.
Further, the roadside access device is suitable to receive the networking request data from vehicle, is pre-saved according to it
Address section, judge the legitimacy of address, the direct networking if legal；Otherwise, according to the available address section pre-saved,
Address is distributed for vehicle, vehicle is performed into net operation.
Further, after vehicle networks, the control centre is suitable to according to the information request of networking vehicle to networking vehicle
Data needed for push；Monitor travelling data simultaneously；Wherein described travelling data includes cross-line, brought to a halt, vehicle-state.
Further, the address section that the roadside access device pre-saves include base station distribution available address section with
And the address section adjacent with the available address section；The roadside access device is suitable to the address for being directly realized by new networking vehicle
Configuration；When judging that vehicle address is in the adjacent address section, then it is the vehicle that networked to judge the vehicle, is legal
Vehicle, it can directly carry out data interaction.
Further, the method that the roadside access device is performed to vehicle into net operation includes：Receiving entering for vehicle
After net request, according to treating that the speed of networking vehicle, direct of travel, signal intensity, the time Estimate positioned at present road, covering are close
Degree, current up-downgoing data traffic, node credibility, cluster head node weight is calculated, select the higher cluster head node of weight to add；
Time Estimate wherein positioned at present road is carried out according to the vehicle flowrate of direct of travel road, the number of signal lamp, track speed limit
It is determined that；Current uplink and downlink data traffic estimation calculates according to the solicited message of vehicle in road to be obtained；And node credibility is
The flow correctly transmitted and abnormal ratio.
Further, the method that the higher cluster head node of the selection weight adds includes：
The roadside access device be suitable to calculate respective load, signal intensity, ambient noise and dependability parameter,
The accuracy that abnormal vehicle judges obtains respective weights and broadcasted, first cluster head in section according to where determining the weights；Root
Sentence according to the load of each roadside access device, signal intensity, ambient noise and with the distance of the first cluster head, abnormal vehicle
Disconnected accuracy, connectivity parameters carry out selecting the second cluster head；Wherein connectivity parameters are the data transfer between the first cluster head
Success rate；The success rate that dependability parameter is sent using downlink data thereon represents；First cluster head, the second cluster head work simultaneously,
And it is active and standby each other, realize that request is handled, when one of cluster head breaks down, another cluster head will continue the place of request
Reason.
Further, the roadside access device is adapted in use to SIMO model, and has reserved passageway；I.e. when networking vehicle
When there is emergency, available roadside access is selected to set according to the signal intensity of roadside access device, load and confidence level
It is standby, the transmission of emergency data is realized using reserved passageway.
Further, the available address section preserved in the roadside access device is that control centre passes through according to road section information
Broadcast message issues, wherein, road section information includes length, the vehicle flowrate size estimation of road.
Further, the abnormal vehicle refers to the vehicle for Traffic Anomaly occur.
The invention has the advantages that the present invention provides automobile-used internet information exchange method, can pre-save can
Address section, can be directly realized by the address configuration of new networking vehicle, while preserve adjacent address section, thus, it is possible to
Enough accesses for causing the vehicle with the address in the adjacent network segment without carrying out network again, directly using original address, lead to
Cross the roadside access device request information needed.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the network hierarchy schematic diagram of the network system of the hierarchical of the present invention；
Fig. 2 is the implementation procedure flow chart of the automobile-used internet information exchange method of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment
A kind of automobile-used internet information exchange method that the present embodiment provides, it is applied a kind of with hierarchical structure
In network system.
The network system of the hierarchical can include the key-course being made up of control centre；Accessed by least one roadside
The transport layer of equipment composition；And the client layer being made up of each vehicle.
Each vehicle is suitable to send vehicle networking request data to a roadside access device, or sends travelling data；The road
Side access device is suitable to that vehicle networking request data will be received, and collects current roadside access device and connect each networking vehicle
Travelling data, control centre is uploaded to build car networking.
The control centre realizes user（As network vehicle）Request of data processing, and to user push order
Information, broadcast message etc. are read, and available address section is issued for the roadside access device in transport layer according to road section information, its
In, the road section information can include but is not limited to the length of road, vehicle flowrate size estimation（It can be counted and obtained according to historical data
）, so that the address section of configuration can ensure the access of vehicle；Transport layer realizes user data requests and subscription
The forwarding of information, broadcast message etc., while the networking request of user is handled, it is according to the available address section that control centre distributes
User configuration address.
In transport layer, as shown in Figure 2：Roadside access device receives the networking request from user's vehicle, pre- according to its
The address section first set, judge the legitimacy of address, be directly accessed if legal, otherwise, according to the address pre-set
Section, address is distributed for vehicle, is performed networking step to vehicle, is finally performed data interaction.
The roadside access device pre-save the available address section that control centre issues and with the available address
The adjacent address section in section, the roadside access device can be directly realized by the address configuration of new networking vehicle；When judging vehicle
When address is in the adjacent address section, then it is the vehicle that networked to judge the vehicle, can directly carry out data interaction；By
This, the roadside access device can realize the configuration of station address, additionally it is possible to by the judgement to address, determine that user is original
Whether address can use, if available be directly accessed, the address configuration process of network be thereby reduced, when reducing the networking of user
Between, improve Consumer's Experience.If present road vehicle flowrate is larger, during no available address, then user-network access request is being received
Afterwards, the request is forwarded to control centre, in order to realize the configuration of address.
After vehicle networks, pushed from control centre according to the request of user to user by roadside access device needed for believe
Breath；The travelling data of vehicle is monitored simultaneously, wherein, travelling data includes cross-line, brought to a halt, vehicle-state.
Wherein, the method that the roadside access device is performed to vehicle into net operation includes：Receiving the networking of vehicle
After request, according to the speed of vehicle, direct of travel, signal intensity, the time Estimate positioned at present road, coverage density,
Current up-downgoing data traffic, node credibility, calculate cluster head node weight, select the higher cluster head node of weight to add, by
In in transport layer, each section has two cluster heads, therefore, user's vehicle when networking, it is necessary to select suitable cluster head, and
The speed of vehicle, travel direction, signal intensity, the time Estimate positioned at present road, coverage density, node are worked as front upper and lower
Row data traffic, node credibility can ensure that the cluster head of selection provides the user reliable service, ensure the steady of data transfer
It is qualitative.
Wherein, the time Estimate positioned at present road is according to the vehicle flowrate of direct of travel road, the number of signal lamp, track
Speed limit is determined；The vehicle flowrate in track is divided into less, normal, crowded three states, and counted according to actual conditions
Vehicle maximal rate under three kinds of states；Then the time is determined according to the number of signal lamp, link length and above-mentioned the max speed
Estimation；Current uplink and downlink data traffic estimation calculates according to the solicited message of vehicle in road to be obtained；Node credibility is correct
The flow of transmission and the ratio of abnormal flow.
In order to ensure the stability of transport layer data transmission, in cluster head node selection course, set according to the access of each roadside
The accuracy that standby load, signal intensity, ambient noise and dependability parameter, abnormal vehicle judge, selects the first cluster
It is first；Then according to the load of each roadside access device, signal intensity, ambient noise and with the distance of the first cluster head, different
Accuracy, the connectivity parameters that normal vehicle judges carry out selecting the second cluster head；Connectivity parameters are the data between the first cluster head
Transmission success rate；The success rate that wherein dependability parameter is sent using downlink data thereon represents；First cluster head, the second cluster head are same
When work, it is and active and standby each other, realize that request is handled, when one of cluster head breaks down, another cluster head will continue please
The processing asked；Different cluster-leader selected modes can ensure the equilibrium of cluster head distribution, to provide the user more stable service；Its
Middle abnormal vehicle refers to the vehicle for Traffic Anomaly occur.The setting of active and standby cluster head can be handled effectively request, and
When abnormal, without reselecting cluster head, ensure the stability of communication.
The roadside access device uses SIMO model, and has reserved passageway, when receiving emergency data, according to
Signal intensity, load and the confidence level of roadside access device select available roadside access device, are realized using reserved passageway
The transmission of emergency data.The setting of reserved passageway causes vehicle when sending exception, traffic accident, can timely be transferred to control
Center processed, in order to which control centre sets control strategy in time and broadcasts so that other users carry out road according to broadcast message
Selection.
Roadside access device has pre-saved available address in automobile-used internet information exchange method provided by the invention
Section, can be directly realized by the address configuration of new networking vehicle, while preserve adjacent address section, thus, it is possible to have
There is access of the vehicle of the address in the adjacent network segment without carrying out network again, directly using original address, pass through the roadside
Access device asks information needed；Moreover, in the present invention, multiple roadside access devices constitute data forwarding layer, and with two
Individual cluster head node works simultaneously, and active and standby each other, thus it can be prevented that the interruption of communication；Furthermore roadside provided by the invention connects
Enter equipment and used SIMO model, and be provided with the transmission that reserved passageway is used for emergency data, thereby ensure that control centre
The emergence message such as road exception, traffic accident, violating the regulations can be effectively obtained, is easy to timely processing.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
- A kind of 1. automobile-used internet information exchange method, it is characterised in that including：Hierarchical network structure is established, i.e.,The key-course being made up of control centre；The transport layer being made up of at least one roadside access device；AndThe client layer being made up of each vehicle.
- 2. automobile-used internet information exchange method according to claim 1, it is characterised in thatEach vehicle is suitable to send vehicle networking request data to a roadside access device, or sends travelling data；The roadside access device be suitable to will receive vehicle networking request data, and collect current roadside access device connect it is each The travelling data of networking vehicle, control centre is uploaded to build car networking；AndThe control centre is suitable to push information needed according to the request of networking vehicle.
- 3. automobile-used internet information exchange method according to claim 2, it is characterised in thatThe roadside access device is suitable for networking request data of the reception from vehicle, the address section pre-saved according to it, Judge the legitimacy of address, the direct networking if legal；Otherwise, according to the available address section pre-saved, address is distributed for vehicle, vehicle is performed into net operation.
- 4. automobile-used internet information exchange method according to claim 2, it is characterised in thatAfter vehicle networks, from the control centre by roadside access device according to the information request of networking vehicle to networking car Push needed for data；Monitor travelling data simultaneously；WhereinThe travelling data includes cross-line, brought to a halt, vehicle-state.
- 5. automobile-used internet information exchange method according to claim 2, it is characterised in thatThe address section that the roadside access device pre-saves includes the available address section of base station distribution and can use with this The adjacent address section of address section；The roadside access device is suitable to the address configuration for being directly realized by new networking vehicle；When judging that vehicle address is in the adjacent address section, then it is the vehicle that networked to judge the vehicle, is legal Vehicle, it can directly carry out data interaction.
- 6. automobile-used internet information exchange method according to claim 2, it is characterised in thatThe method that the roadside access device performs into net operation to vehicle includes：After the networking for receiving vehicle is asked, according to treat the speed of networking vehicle, direct of travel, signal intensity, positioned at current Time Estimate, coverage density, current up-downgoing data traffic, the node credibility of road, calculate cluster head node weight, right to choose The higher cluster head node of weight adds；WhereinTime Estimate positioned at present road is carried out according to the vehicle flowrate of direct of travel road, the number of signal lamp, track speed limit It is determined that；Current uplink and downlink data traffic estimation calculates according to the solicited message of vehicle in road to be obtained；AndNode credibility is the flow and abnormal ratio correctly transmitted.
- 7. automobile-used internet information exchange method according to claim 6, it is characterised in thatThe method that the higher cluster head node of the selection weight adds includes：The roadside access device be suitable to calculate respective load, signal intensity, ambient noise and dependability parameter, The accuracy that abnormal vehicle judges obtains respective weights and broadcasted, first cluster head in section according to where determining the weights；According to the load of each roadside access device, signal intensity, ambient noise and with the distance of the first cluster head, exception Accuracy, the connectivity parameters of vehicle judgement carry out selecting the second cluster head；WhereinConnectivity parameters are the data transmission success between the first cluster head；The success rate that dependability parameter is sent using downlink data thereon represents；First cluster head, the second cluster head work simultaneously, and active and standby each other, realize that request is handled, when one of cluster head breaks down When, another cluster head will continue the processing of request.
- 8. the automobile-used internet information exchange method according to claim any one of 1-7, it is characterised in thatThe roadside access device is adapted in use to SIMO model, and has reserved passageway；I.e., can according to the selection of the signal intensity of roadside access device, load and confidence level when emergency occurs in networking vehicle Roadside access device, the transmission of emergency data is realized using reserved passageway.
- 9. automobile-used internet information exchange method according to claim 8, it is characterised in thatThe available address section preserved in the roadside access device is that control centre passes through under broadcast message according to road section information Hair, wherein, road section information includes length, the vehicle flowrate size estimation of road.
- 10. automobile-used internet information exchange method according to claim 9, it is characterised in thatThe abnormal vehicle refers to the vehicle for Traffic Anomaly occur.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710858665.XA CN107682420A (en) | 2017-09-21 | 2017-09-21 | A kind of automobile-used internet information exchange method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710858665.XA CN107682420A (en) | 2017-09-21 | 2017-09-21 | A kind of automobile-used internet information exchange method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115376339A (en) * | 2022-10-20 | 2022-11-22 | 南京隼眼电子科技有限公司 | Traffic early warning method and system |
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| CN1929483A (en) * | 2006-09-19 | 2007-03-14 | 清华大学 | Admittance control method for IPv6 switch-in network true source address access |
| CN101600156A (en) * | 2009-06-03 | 2009-12-09 | 南京邮电大学 | A kind of auto-allocation method of addresses of mobile ad hoc networks |
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