CN104754681B - Geographic routing method based on vehicle-mounted short haul connection net - Google Patents
Geographic routing method based on vehicle-mounted short haul connection net Download PDFInfo
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- CN104754681B CN104754681B CN201310746099.5A CN201310746099A CN104754681B CN 104754681 B CN104754681 B CN 104754681B CN 201310746099 A CN201310746099 A CN 201310746099A CN 104754681 B CN104754681 B CN 104754681B
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- geographical location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H04W4/046—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
Abstract
The invention discloses a kind of geographic routing methods based on vehicle-mounted short haul connection net, geographical location memory node, geographic routing node are disposed in V2X network, the geographical location information of each vehicle-mounted node is sent to geographical location memory node by trackside node, by its storage；The data packet that source node is sent is transferred to source trackside node in a manner of flooding, after source trackside node receives route requests, the geographical location information of destination node is sent to geographic routing node, geographic routing node is according to destination node geographical location information, search geographical location memory node, obtain the geographical location information of purpose trackside node belonging to destination node, then source trackside node is established to the routing between purpose trackside node, the routing iinformation of foundation is sent to source trackside node, the data packet of source node is sent to purpose trackside node by source trackside node, purpose trackside node delivers a packet to destination node in a manner of flooding.The rapid data transmission between node can be achieved in the present invention.
Description
Technical field
The present invention relates to a kind of geographic routing methods based on vehicle-mounted short haul connection net, belong to vehicle-carrying communication net skill
Art field.
Background technique
Vehicle-mounted short haul connection (Vehicle to X:V2X) network be by wireless communication, the short distances such as GPS/GIS, sensing
The car realized from the communication technology, bus or train route, workshop, outside vehicle, the communication between people's vehicle, at each node in V2X network
In fast moving state, network switching is frequent, so the network communication between node is needed using special route discovery, built
Vertical and maintaining method.
Current IP routing is mainly using the IP address of destination node as all kinds of routing algorithms of realization of goal, and V2X network
In, since each vehicle-mounted node is in fast moving, IP node does not have specific relationship with actual network node location,
Therefore, great challenge can be faced by being applied to V2X network as the routing algorithm of target using IP address.Due to the vehicle in V2X network
It carries node and trackside node all has the positioning units such as GPS, Beidou, the geographical location of node can be obtained, therefore, can use
The characteristic that node geo-location is obtained in V2X network is realization of goal routing algorithm according to the geographical location of destination node, with full
The requirement of sufficient V2X network routing.
Summary of the invention
In view of the foregoing, the purpose of the present invention is to provide a kind of geographical location roads based on vehicle-mounted short haul connection net
By method, geographical location memory node, geographic routing node are disposed in V2X network, trackside node acquires vehicle-mounted node
Geographical location information be stored in the memory node of geographical location, geographic routing node by searching for geographical location store save
Destination node information in point and establish routing.By obtain each node real-time geographical locations information, it can be achieved that source node to mesh
Node rapid data transmission.
To achieve the above object, the invention adopts the following technical scheme:
Based on the geographic routing method of vehicle-mounted short haul connection net, this method are as follows:
Deployment is used for the geographical location memory node of memory node geographical location information, for according to trackside section in V2X
Point geographical location and IP address establish the geographic routing node of the routing between trackside node, trackside node, geographical location
Memory node, geographic routing node are connected by high bandwidth IP network；
Trackside node receives the heartbeat message of vehicle-mounted node, and the geographical location information of each vehicle-mounted node is sent to geographical position
Memory node is set, is stored by geographical location memory node；
The data packet that source node is sent first is transferred to source trackside node in a manner of flooding, and source trackside node receives the routing and asks
After asking, the geographical location information of destination node is sent to geographic routing node, geographic routing node is according to receiving
Destination node geographical location information, search geographical location memory node, obtain purpose trackside node belonging to destination node
Then geographical location information establishes source trackside node to the routing between purpose trackside node, the source trackside node of foundation is arrived
Routing iinformation between purpose trackside node is sent to source trackside node and saves source after source trackside node receives the routing iinformation
The data packet that point is sent is sent to purpose trackside node, after purpose trackside node receives the data packet, by data in a manner of flooding
Packet is sent to destination node.
The present invention has the advantages that
Geographic routing method based on vehicle-mounted short haul connection net of the invention disposes geographical position in V2X network
Memory node, geographic routing node are set, the geographical location information that trackside node acquires vehicle-mounted node is stored in geographical location
In memory node, geographic routing node establishes routing by searching for destination node information in the memory node of geographical location.
By obtain each node real-time geographical locations information, it can be achieved that source node to destination node rapid data transmission.
Detailed description of the invention
Fig. 1 is the practical application scene schematic diagram of a specific embodiment of the invention.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in further detail.
In V2X network, periodically peripherad node broadcasts include vehicle location, state, IP address etc. itself to each node
The heartbeat message of status information, each node receive the heartbeat message of surrounding other nodes transmission simultaneously, according to the heartbeat letter received
Breath, updating maintenance includes the environmental information of surroundings nodes relevant information to column.
Geographic routing method disclosed by the invention based on vehicle-mounted short haul connection net is disposed in V2X network and is used
In the geographical location memory node of memory node geographical location information, for being established according to trackside node geo-location and IP address
The geographic routing node of routing between trackside node, trackside node, geographical location memory node, geographic routing section
Point is connected by high bandwidth IP network；It is deployed in the trackside node with gateway function at crossing and receives vehicle in its coverage area
The heartbeat message for carrying node, is sent to geographical location memory node for the geographical location information of each vehicle-mounted node, by geographical location
Memory node storage；When source node initiate route requests when, which is transferred in a manner of flooding prolong its driving direction before
The trackside node (referred to as source trackside node) of side, after source trackside node receives the route requests, by the geographical location of destination node
Information is sent to geographic routing node, and geographic routing node is looked into according to the destination node geographical location information received
Geographical location memory node is looked for, obtains trackside node, the i.e. geographical location information of purpose trackside node belonging to destination node, so
Source trackside node is established afterwards to the routing between purpose trackside node, by the source trackside node of foundation between purpose trackside node
Routing iinformation be sent to source trackside node, after source trackside node receives the routing iinformation, by source node send route requests
Information is sent to purpose trackside node according to routing iinformation, and route requests are sent to purpose in a manner of flooding by purpose trackside node
Node.
Fig. 1 is the practical application scene schematic diagram of a specific embodiment of the invention.As shown, region A and region B belong to
Two different sections are deployed with trackside node R S1 at the crossing of region A, be deployed at the crossing of region B trackside node R S2,
RS3；Trackside node R S1, RS2, RS3 and geographical location memory node, geographic routing node are connected by high-bandwidth link
It connects；Vehicle-mounted node V1 desire in the A of region is communicated with the vehicle-mounted node V4 in the B of region, the method according to the invention:
Trackside node R S1, RS2, RS3 receive the heartbeat message of each vehicle-mounted node in its coverage area respectively, will be each vehicle-mounted
The geographical location information of node is sent to geographical location memory node by its preservation；The data packet that node V1 is sent is in a manner of flooding
It is transmitted to vehicle heading, which reaches trackside node R S1 after node V2, V3, and trackside node R S1 is data cached
Packet, is sent to geographic routing node, geographic routing for the geographical location information of destination node and routing information request
After node receives solicited message, geographical location memory node is searched according to the geographical location information of destination node, finds purpose section
Section locating for point V4 and former and later two trackside node Rs S2, RS3 of the section, and select the road in front of destination node V4 driving direction
Side gusset RS3 trackside node as a purpose, geographic routing node establish trackside node R S1 to purpose trackside node R S3 it
Between routing, and the routing iinformation of foundation is sent to trackside node R S1, trackside node R S1 is by the data packet of caching through high band
Wide link is sent to purpose trackside node R S3, and data packet is transferred to destination node by purpose trackside node R S3 in a manner of flooding
V4。
The above is presently preferred embodiments of the present invention and its technical principle used, for those skilled in the art
For, without departing from the spirit and scope of the present invention, any equivalent change based on the basis of technical solution of the present invention
Change, simple replacement etc. is obvious changes, all fall within the protection scope of the present invention.
Claims (1)
1. based on the geographic routing method of vehicle-mounted short haul connection net, this method are as follows:
Deployment is used for the geographical location memory node of memory node geographical location information, for according to trackside node in V2X
Reason position and IP address establish the geographic routing node of the routing between trackside node, trackside node, geographical location storage
Node, geographic routing node are connected by high bandwidth IP network；
Trackside node receives the heartbeat message of vehicle-mounted node, and the geographical location information of each vehicle-mounted node is sent to geographical location and is deposited
Node is stored up, is stored by geographical location memory node, wherein the heartbeat message of the received vehicle-mounted node of trackside node is by institute
State vehicle-mounted node forwarding；
The data packet that source node is sent first is transferred to source trackside node in a manner of flooding, and source trackside node receives the route requests
Afterwards, the geographical location information of destination node is sent to geographic routing node, geographic routing node is according to receiving
Destination node geographical location information searches geographical location memory node, obtains the ground of purpose trackside node belonging to destination node
Location information is managed, then establishes source trackside node to the routing between purpose trackside node, wherein selection destination node traveling side
The trackside node as a purpose of trackside node forwards；
The source trackside node of foundation to the routing iinformation between purpose trackside node is sent to source trackside node, source trackside node
After receiving the routing iinformation, the data packet that source node is sent is sent to purpose trackside node, purpose trackside node receives the number
After packet, destination node is delivered a packet in a manner of flooding.
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| CN201310746099.5A CN104754681B (en) | 2013-12-30 | 2013-12-30 | Geographic routing method based on vehicle-mounted short haul connection net |
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| CN201310746099.5A CN104754681B (en) | 2013-12-30 | 2013-12-30 | Geographic routing method based on vehicle-mounted short haul connection net |
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| CN104754681B true CN104754681B (en) | 2019-11-29 |
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| WO2017028030A1 (en) * | 2015-08-14 | 2017-02-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Network assisted message forwarding |
| CN106470383A (en) * | 2015-08-17 | 2017-03-01 | 中兴通讯股份有限公司 | Car networking information transferring method, apparatus and system |
| EP3437303A4 (en) * | 2016-04-01 | 2019-10-02 | Nokia Technologies Oy | Method, apparatus and computer program product for data distribution |
| DE102017218316A1 (en) | 2017-07-18 | 2019-01-24 | Robert Bosch Gmbh | A method of operating a roadside network entity and roadside network entity |
| CN113613196A (en) * | 2021-06-16 | 2021-11-05 | 北京交通大学 | Communication method, device and system for geographic area |
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| CN103200526A (en) * | 2013-03-27 | 2013-07-10 | 山东大学 | Vehicular ad hoc network routing method based on road side units (RSUs) |
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| US8570930B2 (en) * | 2009-12-08 | 2013-10-29 | Electronics And Telecommunications Research Institute | Location based vehicle multihop protocol unicast apparatus and routing method using the apparatus |
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| CN101257443A (en) * | 2008-02-15 | 2008-09-03 | 北京大学 | Enquiry method based on road graticule in vehicle self-organizing network |
| CN101383768A (en) * | 2008-10-21 | 2009-03-11 | 上海第二工业大学 | Vehicle network data routing method based on digital map and mobile prediction |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: BEIJING GOHIGH DATA NETWORKS TECHNOLOGY Co.,Ltd. Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: BEIJING GOHIGH DATA NETWORKS TECHNOLOGY Co.,Ltd. Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20211223 Address after: 400040 No. 35, Jinghe Road, Huxi street, high tech Zone, Shapingba District, Chongqing Patentee after: Datang Gaohong Zhilian Technology (Chongqing) Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: BEIJING GOHIGH DATA NETWORKS TECHNOLOGY Co.,Ltd. Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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