CN106791653A - It is a kind of to extend the method that unmanned plane figure passes scope - Google Patents
It is a kind of to extend the method that unmanned plane figure passes scope Download PDFInfo
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- CN106791653A CN106791653A CN201611207979.5A CN201611207979A CN106791653A CN 106791653 A CN106791653 A CN 106791653A CN 201611207979 A CN201611207979 A CN 201611207979A CN 106791653 A CN106791653 A CN 106791653A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Multimedia (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The method that unmanned plane figure passes scope is extended the invention discloses a kind of, the method includes：By in unmanned plane figure transmission module access Wireless Mesh self-organizing network system；Monitor in real time video is obtained by unmanned plane figure transmission module；Relay forwarding is carried out to monitor in real time video by the multiple equipment node in Wireless Mesh self-organizing network system, is transmitted to Surveillance center.The method realizes the communication coverage of extension unmanned plane day dead end video.
Description
Technical field
It is more particularly to a kind of to extend the method that unmanned plane figure passes scope the present invention relates to unmanned air vehicle technique field.
Background technology
At present, for public security, criminal investigation, decide a case, stability maintenance work is all increasingly collected evidence by video, particularly public security day
The Large scale construction of net system, its main purpose lies also in this.But original arrangement has intrinsic defect, that is, need to set up solid
Fixed control point, lens location and angle are fixed, and adjustable extent is limited, cause monitoring process to there is many blind spots.Supervised fixed
The region that control cannot be covered, the evidence obtaining of accident can only carry law-enforcing recorder by law enfrocement official at present to be carried out, it is impossible to high
Sky is overlooked, and global situation is can't see, for the more difficult expansion of the control and command of accident.For the real feelings of present public security evidence obtaining
Condition, a set of monitoring unmanned scheme for being applied to process accident, carrying out scene evidence taking and video monitoring scheduling of exploitation design
Seem very necessary.Unmanned plane figure transmission module can only realize point-to-point transmission of video, it is difficult to by the monitor in real time of spot
Video passes command centre back.
Unmanned plane figure transmission module is divided into sky transmitting terminal and ground receiver end, and frequency is wirelessly transferred between transmitting terminal and receiving terminal
Point carries out image transmitting using professional standard frequency 2.4GHz or 5.8GHz, because frequency characteristic and module are subject to UAV system
, there is the defects such as communication distance short, penetration capacity is weak, poor anti jamming capability in weight, power supply, the limitation of volume, the most key is
Unmanned plane figure transmission module cannot carry out MANET, greatly limit its communication distance and day dead end video coverage.
The content of the invention
The method that unmanned plane figure passes scope is extended it is an object of the invention to provide a kind of, to realize extension unmanned plane day dead end
The communication coverage of video.
In order to solve the above technical problems, the present invention provides a kind of method for extending unmanned plane figure biography scope, the method includes：
By in unmanned plane figure transmission module access Wireless Mesh self-organizing network system；
Monitor in real time video is obtained by unmanned plane figure transmission module；
Relay forwarding is carried out to monitor in real time video by the multiple equipment node in Wireless Mesh self-organizing network system, is transmitted
To Surveillance center.
Preferably, the unmanned plane figure transmission module includes that figure passes transmitter module and figure transmitting/receiving module.
Preferably, the multiple equipment node in Wireless Mesh self-organizing network system is the first wireless mesh device node, second
Wireless mesh device node and the 3rd wireless mesh device node.
Preferably, during the multiple equipment node in the self-organizing network system by Wireless Mesh is carried out to monitor in real time video
After forwarding, transmit to Surveillance center, including：
First wireless mesh device node receives the monitor in real time video that unmanned plane figure transmission module sends, and monitor in real time is regarded
Take place frequently and deliver to the second wireless mesh device node；
Second wireless mesh device node receives monitor in real time video, and monitor in real time video is sent to the 3rd wireless mesh
Device node；
3rd wireless mesh device node receives monitor in real time video, and monitor in real time video is sent to Surveillance center.
Preferably, the first wireless mesh device node is arranged on ground control's platform, the second wireless mesh equipment section
Point is arranged on high-altitude roof, and the 3rd wireless mesh device node is arranged on Surveillance center.
Preferably, the figure transmitting/receiving module is connected with the first wireless mesh device node by netting twine.
Preferably, it is described that monitor in real time video is obtained by unmanned plane figure transmission module, including：
Monitoring camera shoots monitor in real time video, and sends to figure biography transmitter module；Figure passes transmitter module and will supervise in real time
Control video is sent to figure transmitting/receiving module；Figure transmitting/receiving module receives monitor in real time video.
A kind of method for extending unmanned plane figure biography scope provided by the present invention, unmanned plane figure transmission module is accessed wireless
In Mesh self-organizing network systems；Monitor in real time video is obtained by unmanned plane figure transmission module；By in Wireless Mesh self-organizing network system
Multiple equipment node relay forwarding is carried out to monitor in real time video, transmit to Surveillance center.It can be seen that, due to Wireless Mesh equipment
Between node can dynamically, automatically set up netted wireless link and be connected with other nodes, this method is by unmanned plane
Figure transmission module is accessed in Wireless Mesh self-organizing network system, in being carried out to real-time video by the multiple equipment node in Mesh network
After forwarding, command centre is finally passed back, realize the global situation of command centre's monitoring, floor manager is carried out to accident, so
Unmanned plane figure transmission module is merged with Wireless Mesh self-organizing network system, mixed networking is realized, nobody can greatly be extended
The communication coverage of machine day dead end video.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of flow chart of method for extending unmanned plane figure biography scope provided by the present invention；
Fig. 2 is the communication scheme between unmanned plane figure transmission module and wireless mesh device node；
Fig. 3 is the connection diagram of unmanned plane figure transmission module ground surface end and wireless mesh device node 2；
Fig. 4 is that the IP and gateway of each equipment for being communicated set regular schematic diagram；
Fig. 5 is the schematic diagram that communication link is detected using ping packets means；
Fig. 6 is the schematic diagram for setting up bi-directional link.
Specific embodiment
Core of the invention is to provide a kind of method for extending unmanned plane figure biography scope, to realize extension unmanned plane day dead end
The communication coverage of video.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Term is explained as follows：
Unmanned plane：It is the not manned aircraft manipulated using radio robot and the presetting apparatus provided for oneself；
Figure transmission module：The module of transmission of video images is directly carried out between 2 points by Radio Link；
Wireless Mesh netword：Wireless Mesh netword (wireless mesh network) is also referred to as " multi-hop (multi-hop) " network, adopts
It is a kind of novel radio net entirely different with traditional wireless network for having a center with acentric wireless self-organization network framework
Network technology；
Wireless Mesh system：Full duplex radio ad hoc networking communication system.
Fig. 1 is refer to, Fig. 1 is a kind of flow chart of method for extending unmanned plane figure biography scope provided by the present invention, should
Method includes：
S11：By in unmanned plane figure transmission module access Wireless Mesh self-organizing network system；
S12：Monitor in real time video is obtained by unmanned plane figure transmission module；
S13：Relay forwarding is carried out to monitor in real time video by the multiple equipment node in Wireless Mesh self-organizing network system,
Transmit to Surveillance center.
It can be seen that, due between Wireless Mesh device node can dynamically, automatically set up netted wireless link and
It is connected with other nodes, this method accesses unmanned plane figure transmission module in Wireless Mesh self-organizing network system, by Mesh network
Multiple equipment node relay forwarding is carried out to real-time video, finally pass command centre back, realize command centre's global shape of monitoring
Condition, floor manager is carried out to accident, and so unmanned plane figure transmission module is merged with Wireless Mesh self-organizing network system, real
Existing mixed networking, can greatly extend the communication coverage of unmanned plane day dead end video.
Based on the above method, specifically, unmanned plane figure transmission module includes that figure passes transmitter module and figure transmitting/receiving module.
Wherein, the multiple equipment node in Wireless Mesh self-organizing network system is the first wireless mesh device node, the second nothing
Line mesh device nodes and the 3rd wireless mesh device node.
Further, the process of step S12 is specially：Monitoring camera shoots monitor in real time video, and sends to figure biography
Transmitter module；Figure passes transmitter module and sends to figure transmitting/receiving module monitor in real time video；Figure transmitting/receiving module receives prison in real time
Control video.
Further, the process of step S13 is specifically included：
S1：First wireless mesh device node receives the monitor in real time video that unmanned plane figure transmission module sends, and will supervise in real time
Control video is sent to the second wireless mesh device node；
S2：Second wireless mesh device node receives monitor in real time video, and monitor in real time video is sent to the 3rd wireless
Mesh device nodes；
S3：3rd wireless mesh device node receives monitor in real time video, and monitor in real time video is sent to Surveillance center；
Wherein, the first wireless mesh device node is arranged on ground control's platform, and the second wireless mesh device node is set
In high-altitude roof, the 3rd wireless mesh device node is arranged on Surveillance center.
Wherein, figure transmitting/receiving module is connected with the first wireless mesh device node by netting twine.In step S1, first is wireless
Mesh device nodes receive the monitor in real time video that the figure transmitting/receiving module in unmanned plane figure transmission module sends,
Because Wireless Mesh self-organized network communication product is a kind of and the entirely different novel radio net of unmanned plane figure transmission module
Network technology, " wireless mesh network " or " wireless Webweb " is referred to as by industry, can dynamically, certainly between Wireless Mesh node device
Netted wireless link being set up dynamicly and being connected with other nodes, the present invention is by unmanned plane figure transmission module and Wireless Mesh from group
Net system is merged, and realizes mixed networking, greatly the communication coverage of extension unmanned plane day dead end video, i.e., by nothing
Line Mesh self-organizing network systems extension unmanned plane figure passes scope.
This method accesses unmanned plane figure transmission module in Wireless Mesh self-organizing network system, is set by the multiple in Mesh network
Slave node carries out relay forwarding to real-time video, finally passes command centre back, the global situation of command centre's monitoring is realized, to burst
Event carries out floor manager.Communication mode substantially is as shown in Figure 2.
Specifically, unmanned plane figure transmission module is different from the wireless working frequency points of Wireless Mesh self-organizing network system and device interior
The modulation code encoding/decoding mode of use is inconsistent, it is impossible to by the Hybrid connections being wirelessly directly realized by between two systems.Therefore originally
In method, unmanned plane figure transmission module ground surface end realizes bridge joint with a certain device nodes in Wireless Mesh MANET by the way that netting twine is direct-connected
Function.Day dead end monitor video is transferred to ground surface end by unmanned plane figure transmission module using itself 2.4G or 5.8G frequency, wirelessly
Mesh self-organizing network systems are carrying out relay forwarding to the video data using ultrashort wave frequency from the multihop network set up, finally
Pass command centre back.
Equipment in unmanned plane figure transmission module and Wireless Mesh self-organizing network system is often due to the application in respective system is limited
Make and be in different IP networks sections, often criteria of right and wrong network protocol stack in unmanned plane figure transmission module does not support that IP gateway is set
Or IP gateway sets and is not processed according to normal process, causes the request of data in wireless Mesh netword to reach nobody
The day dead end of machine figure transmission module, but unmanned plane figure transmission module day dead end cannot the normal response request, cause data transfer
Failure.This method by the wired direct-connected Mesh device nodes of unmanned plane figure transmission module ground surface end, to the network for passing through
Data frame is processed consistent to realize the section of the IP network between two systems, so as to the packet reached between two systems can be just
Often the effect of interaction, realizes that unmanned plane figure transmission module accesses Wireless Mesh self-organizing network system.
Based on the present invention, in specific implementation process, first, unmanned plane figure transmission module ground surface end and Wireless Mesh MANET
In the work of No. 2 device nodes and different frequent points, it is impossible to by wireless connection, therefore equipment room realizes bridge joint work(by the way that netting twine is direct-connected
Can, network interface is arranged on same IP network section, as shown in Figure 3.
Then, in unmanned plane figure transmission module ground surface end and Wireless Mesh MANET in No. 2 Equipment Foundations, unmanned plane figure is added
Transmission module day dead end, monitoring camera, No. 1 device node of Wireless Mesh MANET, monitoring PC according to respective system IP, it is necessary to set
The corresponding IP of rule setting and gateway are put, as shown in Figure 4.
Then, after electric on all devices in system, Wireless Mesh device node 1 is set and nothing with No. 2 according to itself IP
Line MANET agreement is set, it will produce a built-in routing table automatically, all network data frames by equipment all can root
Forwarded according to the rule of the routing table.
Wherein, to realize the live video stream in monitoring PC ends viewing monitoring camera, it is necessary to ensure monitoring PC with monitoring
Integrated communication link between camera be it is two-way lead to, therefore first can detect integrated communication with the means of ping packets
Whether link is two-way to lead to, as shown in Figure 5.
Wherein, ping package operations are initiated in monitoring PC ends to monitoring camera, it will produce the request data shown in Fig. 5
Frame, the dst fields of request data frame are 192.168.1.10, and src fields are 192.168.20.200, and the data frame can be from PC ends
Shooting head end is reached, but the data of shooting head end can not reach PC ends, thus fail to set up bidirectional communication link, and PC ends cannot
Viewing camera monitor in real time video.
Above-mentioned bidirectional communication link sets up failure, and essential reason is that monitoring camera head end cannot be for 192.168.1.0 nets
Other network segment data frames beyond section are responded, therefore cannot be communicated with the device node in Wireless Mesh MANET, for
The solution that the problem is used is to carry out corresponding function exploitation in No. 2 equipment ends, to all by No. 2 data of device node
The carrying out of frame is processed, you can realize that integrated communication link bidirectional can lead to, and realizes that the point-to-point image transmission system of unmanned plane is accessed wireless
The purpose of Mesh self-organizing network systems, as shown in Figure 6.
The present invention proposes a kind of new method that unmanned plane figure biography distance is extended using Wireless Mesh self-organizing network system, by
In mesh MANETs can with high-power, ultrashort wave frequency band, broadband, multi-hop form transmit, therefore can cover farther distance,
The very short time delay of transmission HD video, offer, so as to effectively solve to pass bottleneck currently without man-and-machine chart.By in Wireless Mesh from group
Data frame in net system equipment node for unmanned plane figure transmission module is processed, and realizing integrated communication link bidirectional can
It is logical, the purpose that unmanned plane figure transmission module accesses Wireless Mesh self-organizing network system is reached, greatly extend unmanned plane day dead end
The communication coverage of video, global situation is grasped for command centre by unmanned generator terminal monitor in real time video, to burst thing
Part carries out floor manager and is significant.
A kind of method for extending unmanned plane figure biography scope provided by the present invention is described in detail above.Herein
Apply specific case to be set forth principle of the invention and implementation method, the explanation of above example is only intended to help
Understand the method for the present invention and its core concept.It should be pointed out that for those skilled in the art, not taking off
On the premise of the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In invention scope of the claims.
Claims (7)
1. it is a kind of to extend the method that unmanned plane figure passes scope, it is characterised in that including：
By in unmanned plane figure transmission module access Wireless Mesh self-organizing network system；
Monitor in real time video is obtained by unmanned plane figure transmission module；
Relay forwarding is carried out to monitor in real time video by the multiple equipment node in Wireless Mesh self-organizing network system, is transmitted to prison
Control center.
2. the method for claim 1, it is characterised in that the unmanned plane figure transmission module includes that figure passes transmitter module and figure
Transmitting/receiving module.
3. method as claimed in claim 2, it is characterised in that multiple equipment node in Wireless Mesh self-organizing network system is the
One wireless mesh device node, the second wireless mesh device node and the 3rd wireless mesh device node.
4. method as claimed in claim 3, it is characterised in that the multiple equipment in the self-organizing network system by Wireless Mesh
Node carries out relay forwarding to monitor in real time video, transmits to Surveillance center, including：
First wireless mesh device node receives the monitor in real time video that unmanned plane figure transmission module sends, by monitor in real time video hair
Deliver to the second wireless mesh device node；
Second wireless mesh device node receives monitor in real time video, and monitor in real time video is sent to the 3rd wireless mesh equipment
Node；
3rd wireless mesh device node receives monitor in real time video, and monitor in real time video is sent to Surveillance center.
5. method as claimed in claim 4, it is characterised in that the first wireless mesh device node is arranged on ground control
Platform, the second wireless mesh device node is arranged on high-altitude roof, and the 3rd wireless mesh device node is arranged on Surveillance center.
6. method as claimed in claim 5, it is characterised in that the figure transmitting/receiving module and the first wireless mesh device node
Connected by netting twine.
7. the method as described in any one in claim 2 to 6, it is characterised in that described to be obtained by unmanned plane figure transmission module
Monitor in real time video is taken, including：
Monitoring camera shoots monitor in real time video, and sends to figure biography transmitter module；Figure passes transmitter module and regards monitor in real time
Take place frequently and deliver to figure transmitting/receiving module；Figure transmitting/receiving module receives monitor in real time video.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611207979.5A CN106791653A (en) | 2016-12-23 | 2016-12-23 | It is a kind of to extend the method that unmanned plane figure passes scope |
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| CN201611207979.5A CN106791653A (en) | 2016-12-23 | 2016-12-23 | It is a kind of to extend the method that unmanned plane figure passes scope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110651435A (en) * | 2018-11-28 | 2020-01-03 | 广州极飞科技有限公司 | Unmanned aerial vehicle communication system and method |
| CN114245479A (en) * | 2021-12-21 | 2022-03-25 | 江苏翰林正川工程技术有限公司 | Wireless networking system of unmanned aerial vehicle |
| CN114501345A (en) * | 2022-04-15 | 2022-05-13 | 希诺麦田技术（深圳）有限公司 | Group call full duplex realization method, device and system |
| CN115002410A (en) * | 2022-05-27 | 2022-09-02 | 国网甘肃省电力公司兰州供电公司 | Power transmission line unmanned aerial vehicle image transmission system based on WIFI + MESH network |
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| CN115002410A (en) * | 2022-05-27 | 2022-09-02 | 国网甘肃省电力公司兰州供电公司 | Power transmission line unmanned aerial vehicle image transmission system based on WIFI + MESH network |
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