CN205946175U - Communication system of movable equipment based on mesh network - Google Patents
Communication system of movable equipment based on mesh network Download PDFInfo
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- CN205946175U CN205946175U CN201621004653.8U CN201621004653U CN205946175U CN 205946175 U CN205946175 U CN 205946175U CN 201621004653 U CN201621004653 U CN 201621004653U CN 205946175 U CN205946175 U CN 205946175U
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- mesh
- communication system
- movable equipment
- mesh network
- equipment based
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Abstract
An embodiment of the utility model provides a communication system of movable equipment based on mesh network, communication system includes: host processing ware, route treater, mesh communication module, orientation module and external device, the host processing ware with external device the route treater links to each other, be used for with external device with the route treater carries out data transmission, the route treater, with mesh communication module links to each other, through the mesh communication module and the external world carry out information transmission and network deployment, orientation module with the route treater links to each other, and is right the movable equipment advances line location and passes through the locating information mesh communication module sends away. The utility model provides a network is stable, has realized long distance transmission, has accomplished the extension of network, guarantees signal transmission's smoothness nature, and have on the hardware that low cost, easily installation, processing speed are fast, structure flexibility and maintain rapid advantage.
Description
Technical field
This utility model belongs to radio communication, computer realm, it particularly relates to a kind of removable based on Mesh network
The communication system of dynamic equipment.
Background technology
With the continuous improvement of living standards of the people, automobile progressively instead of the walking-replacing tools such as bicycle, electric motor car
Status.The use of automobile is also widely used in each field, such as engineering fleet, wedding fleet etc..People play, work
All select automobile etc. personal activity or work group as the vehicles.During fleet's trip, due to speed and position
Difference, fleet's formation can change, and vehicle has the unexpected situation fallen behind to occur, and this is accomplished by being regarded in real time between vehicle
Frequency command, control, communications, and information exchanges.Traditional communication mode passes through mobile phone and radio communication.Although radio can be accomplished voice, regard
The communication of frequency, but when vehicle high-speed is advanced and is communicated using radio, signal meeting time delay, distortion are serious, and impact is logical
Letter process.When using mobile communication in the place away from base station, easily produce the work efficiency fall leading to because communication is not smooth
Low problem, more seriously can lead to the safety problem of life and property.It is badly in need of finding a kind of video and voice of can stably transmitting
Network exchanges come each vehicle real time in the fleet that to solve to go on a journey.
Such communication issue also appears on other movable equipments.
Utility model content
The purpose of this utility model is, for solving to wait movable equipment can not carry out asking of real-time Communication for Power between outdoor fleet
Topic, it is to avoid because of a kind of communication system based on Mesh network freely not throwing into question and providing that communicates.
The technical scheme that this utility model solution prior art problem is adopted includes：
A kind of communication system of the movable equipment based on Mesh network, described communication system includes：
Primary processor, route processors, Mesh communication module, locating module and external equipment；
Described primary processor is connected with described external equipment, described route processors, for described external equipment and institute
State route processors to carry out data transmission；
Described route processors, are connected with described Mesh communication module, are carried out with the external world by described Mesh communication module
Information transfer networking；
Described locating module is connected with described route processors, described movable equipment is positioned and by location information
Sent by described Mesh communication module.
Preferably, described Mesh communication module includes two radio-frequency modules, and the frequency range of described two radio-frequency modules is different.
Preferably, described Mesh communication module utilizes Active Routing Protocol in Active, carries out multi-hop communication.
Preferably, described primary processor is based on android system.
Preferably, described external equipment includes display and/or mike and/or photographic head.
Preferably, described display is touching-type monitor.
Preferably, described primary processor is connected by Ethernet interface with described route processors.
Preferably, described locating module is connected with described route processors by RS232.
Preferably, described route processors are connected with PCIe and turn pci interface, for serial data is changed into the parallel of PCI
Data.
Preferably, described Mesh communication module is embedded in the slot of described PCI.
This utility model has the advantages that：
One really realizes the theory networked, and so that outdoor real-time Communication for Power is possibly realized, goes out administrative staff and be not necessarily personnel, property
Safety concerns.Even if generation emergency, also can quickly find solution, the probability that reduction accident occurs.
Its two Mesh network can be realizes long-distance transmissions, completes the extension of network it is ensured that the stability of Mesh network, leads to
Communication distance is farthest up to 800 meters.In the mobile Mesh network of Double RF, the radio-frequency card division of labor of two kinds of frequency ranges is different, and a frequency range is born
Duty receipt signal, a frequency range is responsible for sending signal, applies proactive routing protocol, by sending the detection with routing iinformation
Bag, to calculate optimal next-hop route, realizes multi-hop communication.The delay time that network sets up initial stage generation so can be reduced,
The fluency of voice and video signal transmission is ensured on performance indications.
Its three the system adopts Android operation system, based on linux kernel exploitation, Java is used as programming language,
Code is increased income and freely.Have on hardware with low cost, be easily installed, processing speed is fast, flexible structure and maintenance are rapidly excellent
Point.
Brief description
Fig. 1 fleet constitutes self-grouping network topological structure schematic diagram；
The self-grouping network topological structure schematic diagram that Fig. 2 fleet breaks rank；
Fig. 3 multihop network communication topology figure；
Fig. 4 Vehicular communication system hardware platform schematic diagram；
Fig. 5 route processors interface diagram；
Specific embodiment
Describe the technical solution of the utility model below with reference to drawings and the specific embodiments in detail, to become apparent from, directly
See ground and understand this utility model essence.
It is described in this utility model taking Vehicular communication system as a example.
Mobile Mesh network is also referred to as ad-hoc network, is the new wireless networks that router is combined with computer, should
Network has the feature of high-throughput, low time delay, and networking flexibility can achieve multi-hop, and supports that non line of sight transmits, and can complete voice
Communication is passed back with video.At present, the intelligence system of automotive interior can be realized calling, navigate and other entertainment selections, put down
Platform is ripe, market demand is high.Vehicular communication system is based on in-car intelligence system, and application Double RF Mesh network is constituted from group
Net, can find the concrete condition of each car in fleet in real time, including position and vehicle condition, personnel's property etc..This network not only cost
Low, safe moreover it is possible to ensure work efficiency with trip personal security.
The Vehicular communication system based on Mesh network for this utility model adopts IEEE802.11 wireless network card, and application is high-power
Radio-frequency card is communicated in the free frequency range of ISM, and on car, electric power system adopts solar powered mode it is ensured that vehicle is in remote districts
Or can be with continued power in adverse circumstances.Whole system can be embedded in the middle of main driving and assistant driver seat, and occupant may be used
To see the content on display screen, it is to avoid the appearance of blind area.Display screen adopts touch-screen form, convenient operation.This system integration
Speech communication interface and video acquisition interface, occupant is equipped with bluetooth earphone and is used for real-time Communication for Power with mike.In-car GPS is fixed
Position system shows the position of vehicle, convenient report head car and other vehicles in real time.
As shown in figure 4, being this utility model system construction drawing, it includes：
Primary processor 11, route processors 12, Mesh communication module 13, locating module 14 and external equipment 15.
Primary processor is connected with external equipment, route processors, for carrying out data with external equipment and route processors
Transmission.Route processors, are connected with Mesh communication module, carry out information transfer networking by Mesh communication module with the external world.
Locating module is connected with route processors, movable equipment is positioned and sends location information by Mesh communication module
Go out.
Above-mentioned external equipment includes touching device (can for display touch screen), photographic head and mike, for gather information or
The information that display receives.Touch display screen can show main menu, viewing video flowing, have tangible function, for driving simultaneously
Person provides convenience, does not interfere with normal driving.Photographic head and mike pass through respectively video audio interface access main process task
In device.
Primary processor is key component, main connection route processor and the external equipment of system.Primary processor selects
With android system as operating system, the mobile Mesh network using Andrioid system building can carry for application program
For efficient connected mode, connect without burden mobile network and bring cost issues.
Route processors, are mainly responsible for mobile Mesh networking.Route processors connect locating module, Mesh communication module,
And route processors are attached by Ethernet interface with primary processor.Open on the host processor and run route processing
Device, Mesh communication module sends the establishment that radiofrequency signal carries out Mesh network.
As shown in figure 5, connection Ethernet interface, GPS module, PCIe turn pci bus interface on route processors.
Ethernet interface is used for connecting primary processor and route processors, and processor can be seen no by route processors
Whether line configuration is correct.The stream of wireless data transmission when network service has some setbacks, can be ensured by changing radio configuration
Smooth property.The such as parameter such as modification channel, data transmission rate.Acceptable other laptop devices external of Ethernet interface, are easy to
In driving procedure, the modification of other staff scene configures, improves work efficiency vehicle.
Locating module such as GPS module formula accesses route processors by RS232 interface, and this is by Satellite Navigation Technique and nothing
The application that line location technology combines.This combination both can provide higher precision and corresponding speed, can cover wider again
Scope, realize accurate positioning.Gps antenna is arranged on the afterbody of car it is ensured that satellite can navigate to car by fleet before travel
Particular location.This module can be accepted or rejected according to user in the requirement to mainboard, and some mainboard producers can be integrated by GPS module
On mainboard, facilitate user's connection, reduces cost.GPS module responsible node positions, and after obtaining node particular location, can lead to
Cross MANET and pass to other adjacent nodes.If distant, beyond communication range, then mobile Mesh is completed by the form of multi-hop
The telecommunication of network.
PCIe EBI can achieve high speed serialization point-to-point dual pathways high bandwidth transmission, and PCIe turns pci interface by serial
Data transfer changes into the parallel data transmission of PCI, transfer rate minimum up to 2.5G.Place radio-frequency module (to penetrate in PCI slot
Frequency blocks), the quantity of slot can extend, and route processors can also self-defined Mini pci card.
Mesh communication module, if only accessing a radio-frequency card, according to the wireless conflict avoidance principle (CSMA/ of Ethernet
CA), when there being a radio node main story transmission of data, another one node cannot send and accept data and cause video flowing
Or speech data is unable to concurrent transmission, systematic function is led to decline.For this reason, this utility model adopts Double RF scheme, Mesh leads to
News module includes two radio-frequency modules, and the frequency range of two radio-frequency modules is different, i.e. wireless access data passback is respectively allocated to
Radio-frequency card 1 is responsible for (two radio-frequency modules) with radio-frequency card 2, and that is, one of channel is specifically intended for connecting wireless client, another
Channel is specifically intended for wireless backhaul data transmission, and this two channels are mutually orthogonal.Therefore Double RF can improve systematic function.
It is below the concrete application of above-mentioned Vehicular communication system：
As shown in figure 1, car 1 is head car, the track route of other vehicles that take charge is it is ensured that fleet's harmony is advanced.Fleet
In four cars advanced with figure formation, each car is respectively arranged with Vehicular communication system.Because this practical selection Double RF carries out sending out
Penetrate and receive, each car places 4 antennas 5 respectively.The dynamic topology figure of each in-car Dou You fleet is constant to ensure formation.
When fleet sets out, Vehicular communication system opened by car 1, car 2, car 3, car 4 simultaneously, when radio-frequency module is started working
When, according to Routing Protocol, all nodes can be searched mutually and find the address of terminal, finally set up routed path, now from group
Net is successfully established.When sending broadcast packet, easily broadcast storm in traditional Routing Protocol, so that whole system is collapsed.This route
Agreement belongs to priori formula route, and each node in network obtains network by the respective topology information of periodic exchange to be owned
The network topological information of other nodes, irrespective of whether this route will be used, when node needs to send packet
When, as long as the route going to destination node exists, required time delay very little.
As shown in Fig. 2 when fleet because traffic or other situations change formation, now moving original phase in Mesh network
Neighbors changes, and the adjacent node of car 1 becomes car 4 and car 2, and other nodes are all upset.Now Mesh network is known rapidly
Not new adjacent node, and form new routed path, constitute MANET again, embody the stability of MANET.Due to car
The formation of team is disturbed, and car 1 is conversed with other vehicles by mike through WLAN, car 2, car 3 and car 4 basis
The particular location that GPS positioning system obtains, is sent to car 1 by LAN, and car 1 recovers team according to the information commander fleet obtaining
Shape.
As shown in figure 3, multihop network communication topology figure.Main display car 1 arrives the remote multi-hop communication of car 3.To reality
Existing car 1 and the communication of car 3, need to be communicated from channel a, channel b.By all vehicles first in configuration
Radio-frequency card 1 is channel a, and radio-frequency card 2 is channel b.When car 1 photos and sending messages are to car 3, car 1 first pass through channel a with
Car 4 communicates, and car 4 is communicated with car 2 by channel b again, and rear car 2 is communicated with car 3 by channel a.Being configured so that can
To allow the handling capacity in network to be doubled and redoubled, and no matter how fleet's formation changes, between vehicle, Mesh network can be formed,
Keep communication.
Protection domain of the present utility model is not limited to the above embodiments it is clear that those skilled in the art can be right
This utility model carries out various changes and deformation without deviating from scope and spirit of the present utility model.If these are changed and deform
Belong in the range of this utility model claim and its equivalent technologies, then intention of the present utility model also comprise these change and
Deformation interior the above be only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of communication system of the movable equipment based on Mesh network it is characterised in that：Described communication system includes：
Primary processor, route processors, Mesh communication module, locating module and external equipment；
Described primary processor is connected with described external equipment, described route processors, for described external equipment and described road
Carried out data transmission by processor；
Described route processors, are connected with described Mesh communication module, enter row information by described Mesh communication module with the external world
Transmission networking；
Described locating module is connected with described route processors, described movable equipment is positioned and passes through location information
Described Mesh communication module sends.
2. the movable equipment based on Mesh network as claimed in claim 1 communication system it is characterised in that：Described Mesh
Communication module includes two radio-frequency modules, and the frequency range of described two radio-frequency modules is different.
3. the movable equipment based on Mesh network as claimed in claim 1 communication system it is characterised in that：Described Mesh
Communication module utilizes Active Routing Protocol in Active, carries out multi-hop communication.
4. the movable equipment based on Mesh network as claimed in claim 1 communication system it is characterised in that：Described main place
Reason device is based on android system.
5. the movable equipment based on Mesh network as claimed in claim 1 communication system it is characterised in that：Described external
Equipment includes display and/or mike and/or photographic head.
6. the movable equipment based on Mesh network as claimed in claim 5 communication system it is characterised in that：Described display
Device is touching-type monitor.
7. the movable equipment based on Mesh network as claimed in claim 1 communication system it is characterised in that：Described main place
Reason device is connected by Ethernet interface with described route processors.
8. the movable equipment based on Mesh network as claimed in claim 1 communication system it is characterised in that：Described positioning
Module is connected with described route processors by RS232.
9. the movable equipment based on Mesh network as claimed in claim 1 communication system it is characterised in that：Described route
Processor is connected with PCIe and turns pci interface, for serial data changes into the parallel data of PCI.
10. the movable equipment based on Mesh network as claimed in claim 9 communication system it is characterised in that：Described
Mesh communication module is embedded in the slot of described PCI.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144255X | 2016-02-26 | ||
| CN201620144255 | 2016-02-26 |
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| Publication Number | Publication Date |
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| CN205946175U true CN205946175U (en) | 2017-02-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211047A (en) * | 2016-02-26 | 2016-12-07 | 江苏中利电子信息科技有限公司 | A kind of communication system of movable equipment based on Mesh network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211047A (en) * | 2016-02-26 | 2016-12-07 | 江苏中利电子信息科技有限公司 | A kind of communication system of movable equipment based on Mesh network |
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