CN105939532A - Multi-channel routing protocol - Google Patents
Multi-channel routing protocol Download PDFInfo
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- CN105939532A CN105939532A CN201510594990.0A CN201510594990A CN105939532A CN 105939532 A CN105939532 A CN 105939532A CN 201510594990 A CN201510594990 A CN 201510594990A CN 105939532 A CN105939532 A CN 105939532A
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- node
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- rreq
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention relates to a multi-channel routing protocol, comprising the steps that when a source node needs to send data packets to a target node, the source node calls the acquiring location and speed information of the target node to fill in the newly added data of a RREQ and sends to the target node; each node receiving the RREQ message judges that whether the node itself is a priority node by using a priority node judging mechanism, during a process of receiving the RREQ message and returning a RRFP message to the source node, the target node establishes a backup routing, and the source node selects an available service channel in a network as a working channel, and dynamically switches the working channel according to the utilization ratio of the service channel; the target node acquires location, speed and direction information of a vehicle by a self-adaption distributed location service; and when the source node sends or transfers the data message, a next-hop neighbor node is selected by using a greedy forwarding algorithm in combination with the utilization ratio of the working channel of the target node, or the data message is moved by being carried by the vehicle node until the data message reaches the target node.
Description
Technical field
The present invention relates to a kind of multichannel Routing Protocol.
Background technology
Traditional Ad Hoc network has the network topology of dynamically change, network node can with arbitrary speed and
Any-mode moves in a network, and the topology of network is at any time it may happen that change, and the mode changed and speed
Degree is all difficult to predict.But, in VANET, the athletic meeting of vehicle node is by road, traffic lights, building
Etc. the impact of factor, the vehicle node movement velocity simultaneously constituting network is fast, causes network topology structure to change
Acutely, inter-node link frequently cuts off, and the performance of Routing Protocol is badly damaged.AODV agreement (Ad Hoc
On-Demand Distance Vector Routing) it is the typical case of on-demand generation routing mode in Ad Hoc network
Agreement, has the features such as route test expense is little, network adaptation is strong.This meets to a certain extent
The characteristic that VANET node mobility is high, change in topology is fast, but to reach in VANET to be applied to
The requirement of communication, still needs to make improvements.On-the-spot test for a new agreement typically requires substantial amounts of
Vehicle and personnel, cost dearly and process is complicated, hence with relevant emulation tool to VANET Routing Protocol
Carrying out studying just becomes a kind of effective technological means.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of reliability improving Routing Protocol many
Channel Routing Protocol.
The multichannel Routing Protocol of the present invention, comprises the steps: when source node needs to send to destination node
During packet, source node can call destination node acquisition position and velocity information is inserted RREQ and increased data newly
In and to destination node send；Each node receiving RREQ message can utilize prior node judgment mechanism
Judge self, whether as prior node, if not the most directly abandoning RREQ message, if it is to update
RREQ message also continues to forward；Destination node receives RREQ message and replys RREP message to source node
During, route stand-by can be set up, when RREP message arrives source node, source node starts with master
Route or route stand-by send packet to destination node；It is characterized in that, source node selects can in network
Service channel as working channel, according to the utilization rate dynamically switch operating channel of service channel；Mesh
Node obtain the position of vehicle, speed and directional information by adapter distribution location-based service；Source node
When transmission or forwarding data packets, the working channel utilization rate of binding purpose node, use greedy forwarding algorithm
Select down hop neighbor node, or carried data message by vehicle node and move, until data message arrives
Destination node.
The present invention at least has the advantage that source node selects service channel available in network as work letter
Road, according to the utilization rate dynamically switch operating channel of service channel；Destination node passes through adapter distribution
Location-based service obtains the position of vehicle, speed and directional information；When source node transmission or forwarding data packets,
The working channel utilization rate of binding purpose node, uses greedy forwarding algorithm to select down hop neighbor node, or
Person is carried data message by vehicle node and moves, until data message arrives destination node.Use as above scheme
The reliability of Routing Protocol can be improved, improve the quality of Vehicular communication system.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and can be practiced according to the content of description, describe in detail with presently preferred embodiments of the present invention below
As rear.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
A kind of multichannel Routing Protocol described in a preferred embodiment of the present invention, comprises the steps: when source is saved
Point needs when destination node sends packet, and source node can call destination node and obtain position and speed letter
Breath is inserted RREQ and is increased newly in data and send to destination node；Each receives the node meeting of RREQ message
Utilize prior node judgment mechanism with judge self whether as prior node, if not the most directly abandoning RREQ
Message, if it is updates RREQ message and continues to forward；Destination node receives RREQ message and to source
During node reverts back RREP message, route stand-by can be set up, when RREP message arrives source node,
Source node start with main road by or route stand-by send packet to destination node；It is characterized in that, source
Node select service channel available in network as working channel, according to the utilization rate of service channel dynamically
Switch operating channel；Destination node by adapter distribution location-based service obtain the position of vehicle, speed and
Directional information；When source node transmission or forwarding data packets, the working channel utilization rate of binding purpose node,
Use greedy forwarding algorithm to select down hop neighbor node, or carried data message by vehicle node and move,
Until data message arrives destination node.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that
For those skilled in the art, on the premise of without departing from the technology of the present invention principle, also
Can make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (1)
1. a multichannel Routing Protocol, comprises the steps: when source node needs to send number to destination node
During according to packet, source node can call destination node acquisition position and velocity information is inserted RREQ and increased newly in data
And send to destination node；Each node receiving RREQ message can utilize prior node judgment mechanism
Judge self, whether as prior node, if not the most directly abandoning RREQ message, if it is to update
RREQ message also continues to forward；Destination node receives RREQ message and replys RREP message to source node
During, route stand-by can be set up, when RREP message arrives source node, source node starts with master
Route or route stand-by send packet to destination node；It is characterized in that, source node selects can in network
Service channel as working channel, according to the utilization rate dynamically switch operating channel of service channel；Mesh
Node obtain the position of vehicle, speed and directional information by adapter distribution location-based service；Source node
When transmission or forwarding data packets, the working channel utilization rate of binding purpose node, use greedy forwarding algorithm
Select down hop neighbor node, or carried data message by vehicle node and move, until data message arrives
Destination node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594990.0A CN105939532A (en) | 2015-09-18 | 2015-09-18 | Multi-channel routing protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594990.0A CN105939532A (en) | 2015-09-18 | 2015-09-18 | Multi-channel routing protocol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105939532A true CN105939532A (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510594990.0A Pending CN105939532A (en) | 2015-09-18 | 2015-09-18 | Multi-channel routing protocol |
Country Status (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110170443A1 (en) * | 2010-01-13 | 2011-07-14 | Ronald Gerald Murias | Link sensitive aodv for wireless data transfer |
| CN103326942A (en) * | 2013-06-19 | 2013-09-25 | 华南理工大学 | Reliable routing protocol used for vehicle-mounted Ad Hoc network |
| CN104093185A (en) * | 2014-06-06 | 2014-10-08 | 华南理工大学 | Multi-channel multi-path routing protocol for vehicle team ad-hoc networks |
-
2015
- 2015-09-18 CN CN201510594990.0A patent/CN105939532A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110170443A1 (en) * | 2010-01-13 | 2011-07-14 | Ronald Gerald Murias | Link sensitive aodv for wireless data transfer |
| CN103326942A (en) * | 2013-06-19 | 2013-09-25 | 华南理工大学 | Reliable routing protocol used for vehicle-mounted Ad Hoc network |
| CN104093185A (en) * | 2014-06-06 | 2014-10-08 | 华南理工大学 | Multi-channel multi-path routing protocol for vehicle team ad-hoc networks |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160914 |
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| RJ01 | Rejection of invention patent application after publication |