CN110536366A - A kind of ground base station having anti-interference function towards beyond-the-horizon communication - Google Patents
A kind of ground base station having anti-interference function towards beyond-the-horizon communication Download PDFInfo
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- CN110536366A CN110536366A CN201910775911.4A CN201910775911A CN110536366A CN 110536366 A CN110536366 A CN 110536366A CN 201910775911 A CN201910775911 A CN 201910775911A CN 110536366 A CN110536366 A CN 110536366A
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- module
- base station
- ground base
- unmanned plane
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/305—Handover due to radio link failure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention belongs to air vehicle technique fields, in particular a kind of ground base station for having anti-interference function towards beyond-the-horizon communication, communicated between existing ground base station and unmanned plane be easy to be interfered aiming at the problem that, now propose following scheme, the ground base station includes UAV Communication module, message processing module, RTK module, state display module, battery, Peripheral Interface and switch, message processing module respectively with UAV Communication module, RTK module and state display module are in be bi-directionally connected, UAV Communication module and RTK module are respectively connected with antenna, UAV Communication module and message processing module can be established by automatic frequency-hopping function with unmanned plane effectively to be communicated.The present invention has rational design, can effectively reduce barrier in communication link and block and influence of the increase of flying distance to communicating between ground base station and unmanned plane, solves the problems, such as to communicate between ground base station and unmanned plane and is easy to be interfered.
Description
Technical field
The present invention relates to air vehicle technique field, specially a kind of ground base for having anti-interference function towards beyond-the-horizon communication
It stands.
Background technique
With the development of unmanned air vehicle technique, the purposes of unmanned plane is more and more extensive, and more and more unmanned planes are used in
Public security, fire-fighting and other special dimension, when the common feature of the unmanned plane of these special application fields is execution task nobody
The flying radius of machine is long, and unmanned plane is usually over the horizon (distance is greater than 500 meters) flight, and existing ground base station and unmanned plane are logical
Letter is usually single frequency band communication, and the event that unmanned plane is interfered during execution task also more and more frequently occurs, does
It disturbs including the spectrum sharing in communication band and artificial malicious interference, how to improve ground in some special applications
The interference free performance of base station and UAV Communication system ensures the safe and reliable execution task of unmanned plane, increasingly by the industry
The concern of personage, therefore have the ground base station of anti-interference function above-mentioned for solving towards beyond-the-horizon communication we have proposed a kind of
Problem.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of ground bases for having anti-interference function towards beyond-the-horizon communication
It stands, can be established with unmanned plane by UAV Communication module in ground base station and message processing module automatic frequency-hopping function effective
Communication, solve the problems, such as that ground base station is easy to be disturbed with UAV Communication.
To achieve the goals above, present invention employs following technical solutions:
A kind of ground base station having anti-interference function towards beyond-the-horizon communication, the ground base station include UAV Communication mould
Block, message processing module, RTK module, state display module, battery, Peripheral Interface and switch, the UAV Communication module,
RTK module and state display module are connected with message processing module, and the battery, Peripheral Interface and switch are and at information
Reason module is connected.
Preferably, be provided with message processing module on the ground base station, message processing module respectively with UAV Communication
In being bi-directionally connected, the UAV Communication module and RTK module are respectively connected with antenna for module, RTK module and state display module.
Preferably, UAV Communication module, UAV Communication module and information processing mould are provided on the ground base station
Block is effectively communicated by automatic frequency-hopping function with unmanned plane foundation.
Preferably, the message processing module and UAV Communication module automatic frequency-hopping function are as follows: ground base station has work
Dedicated three communications bands of unmanned plane (840M frequency range, 1.4G frequency range, 2.4G frequency range) and a non-unmanned plane that letter portion promulgates
Dedicated frequency range (900M frequency range) has multiple communication frequency points in each dedicated communications band of unmanned plane, and each communication frequency point is equal
There is certain communication bandwidth.The first clean frequency point of automatically scanning in 2.4G frequency range after the work of ground UAV Communication module, choosing
It selects frequency point clean in 2.4G frequency range to arrange net, establishes the host node of communication, found after unmanned plane booting by synchronizing information
Synchronous point is accessed, when authentication by after access ground base station communicated, when be interfered in communication process after
Face base station is automatically found other clean frequency points in 2.4G frequency range first automatically by frequency hopping function and establishes communication, if 2.4G frequency
Clean communication frequency point is not found in section, ground base station can jump to progress frequency point in 1.4G frequency range and 840M frequency range step by step and sweep
It retouches, when finding clean communication frequency point in 1.4G frequency range and 840M frequency range, ground base station can be established with unmanned plane logical again automatically
Letter connection, when 1.4G frequency range and 840M frequency range cannot establish communication, ground base station can automatic jump to non-unmanned plane
Dedicated 900M frequency range is re-started with unmanned plane to be communicated,
Preferably, be provided with battery on the ground base station, and battery output respectively with message processing module, unmanned plane
The input terminal of communication module, RTK module and state display module electrically connects.
Preferably, RTK module is provided on the ground base station.
Preferably, state display module is provided on the ground base station.
Preferably, Peripheral Interface and switch are respectively arranged on the ground base station.
In the present invention, a kind of ground base station having anti-interference function towards beyond-the-horizon communication has following beneficial to effect
Fruit:
(1), should towards beyond-the-horizon communication have the ground base station of anti-interference function is established for the first time with unmanned plane communicate when, this
Clean communication frequency can be automatically selected in the dedicated frequency range of unmanned plane towards the ground base station that beyond-the-horizon communication has anti-interference function
Point is arranged net, and the communication link for ensureing that ground base station and unmanned plane are established has enough frequency spectrum resources；
(2) if, should towards beyond-the-horizon communication have the ground base station of anti-interference function during with UAV Communication by
To interference, there should be the ground base station of anti-interference function that can build again with unmanned plane by automatic frequency-hopping function towards beyond-the-horizon communication
Vertical communication connection, has ensured the safe and reliable execution task of unmanned plane；
(3), there should be the ground base station of anti-interference function during with UAV Communication towards beyond-the-horizon communication, in nothing
In the case that man-machine dedicated three communications bands are interfered, there should be the ground base of anti-interference function towards beyond-the-horizon communication
Station remains to establish with unmanned plane and communicate to connect, and communicates the problem of being interfered between effective solution ground base station and unmanned plane；
(4), there should be the ground base station of anti-interference function during with UAV Communication towards beyond-the-horizon communication, if nothing
When man-machine dedicated three communications bands are interfered, there should be the ground base station of anti-interference function can be to towards beyond-the-horizon communication
User terminal issues alarm signal, prompts user's remote controlled drone to make a return voyage as early as possible, has ensured safety remote control of the user to unmanned plane；
The present invention has rational design, can effectively reduce barrier in communication link and block increase with flying distance over the ground
The influence communicated between face base station and unmanned plane solves and communicates asking of being easy to be interfered between ground base station and unmanned plane
Topic.
Detailed description of the invention
Fig. 1 is a kind of principle signal of ground base station for having anti-interference function towards beyond-the-horizon communication proposed by the present invention
Figure；
Fig. 2 is a kind of automatic frequency-hopping function for the ground base station for having anti-interference function towards beyond-the-horizon communication proposed by the present invention
It can schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of ground base station having anti-interference function towards beyond-the-horizon communication, the ground base station include nobody
Machine communication module, message processing module, RTK module, state display module, battery, Peripheral Interface and switch, UAV Communication mould
Block, RTK module and state display module are connected with message processing module, and battery, Peripheral Interface and switch are and at information
Reason module is connected.
Further, be provided on ground base station message processing module respectively with UAV Communication module, RTK module and shape
State display module is in being bi-directionally connected, and message processing module receives and forwarding UAV Communication module, the information of RTK module, and
The configuration to UAV Communication module is realized according to hopping, while according to the information realization received to state display module
Control.
Further, it is provided with UAV Communication module on ground base station and RTK module is respectively connected with antenna, antenna is ground
Face base station is used to radiate and receive and the radio wave of UAV Communication.
Further, UAV Communication module is provided on ground base station, UAV Communication module is ground base station and nothing
The information exchange realized between man-machine, UAV Communication module and message processing module are built by automatic frequency-hopping function with unmanned plane
Vertical effective communication connection.
Specifically, as shown in Fig. 2, ground base station automatic frequency-hopping functional schematic in the present embodiment: UAV Communication module
With dedicated three communications bands of unmanned plane (840M frequency range, 1.4G frequency range, 2.4G frequency range) and a non-dedicated frequency of unmanned plane
Section (900M frequency range) four working frequency range, after ground base station booting, UAV Communication module preferentially passes through in 2.4G frequency range
Frequency sweep function selects clean frequency point to arrange net in 2.4G frequency range, establishes the host node with UAV Communication, works as unmanned plane
The airborne module communicated with ground base station can be defaulted as child node, the synchronizing information that child node is issued by host node after booting
It finds synchronous point to be accessed, child node can just communicate after passing through authentication with ground base station foundation.Logical with unmanned plane
During letter, when UAV Communication module receives the signal-to-noise ratio (SNR) of signal lower than the threshold value set, UAV Communication
Module thinks that the communication frequency point is heavily disturbed, and the communication in the frequency point of ground base station and unmanned plane will be interrupted.Nothing
Man-machine communication module can carry out frequency point scanning automatically in 2.4G frequency range again, when finding clean frequency again in 2.4G frequency range
After point, the foundation again of ground base station and unmanned plane meeting quick (64ms) is communicated to connect；It is clean when not found in 2.4G frequency range
Frequency point when, i.e., there are when severe jamming in 2.4G frequency range, UAV Communication module can be switched to 1.4G frequency range and carry out frequency sweep；When
After finding clean frequency point in 1.4G frequency range, ground base station and unmanned plane can establish communication connection again；When in 1.4G frequency range
When not finding clean frequency point, i.e., there is also when severe jamming in 1.4G frequency range, UAV Communication module can be switched to 840M
Frequency range carries out frequency sweep；After finding clean frequency point in 840M frequency range, ground base station and unmanned plane can establish communication connection again；
When not finding clean frequency point in 840M frequency range, i.e., there is severe jamming in the dedicated communications band of unmanned plane
When, UAV Communication module can be switched to the dedicated frequency range of the non-unmanned plane of 900M and be communicated, when the work of UAV Communication module exists
When the dedicated frequency range of the non-unmanned plane of 900M is communicated, ground base station can issue alarm signal, and Current terrestrial base station and unmanned plane are logical
Believing link, there are severe jammings, and user's remote controlled drone is prompted to make a return voyage as early as possible.
Further, battery is provided on ground base station, and battery output is logical with message processing module, unmanned plane respectively
The input terminal of letter module, RTK module and state display module electrically connects, and battery is message processing module, UAV Communication
The functional modules such as module, RTK module and state display module provide power supply.
Further, RTK module is provided on ground base station, RTK module provides the Home location point of calibration for unmanned plane.
Further, state display module is provided on ground base station, in state display module real-time display ground base station
The connection status etc. of the communication link of the voltage electricity and ground base station and unmanned plane of battery.
Further, Peripheral Interface and switch are respectively arranged on ground base station, Peripheral Interface is user terminal and ground
The connecting interface of base station；The startup and shutdown of switch key control ground base station.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of ground base station for having anti-interference function towards beyond-the-horizon communication, it is characterised in that: the ground base station includes nothing
Man-machine communication module, message processing module, RTK module, state display module, battery, Peripheral Interface and switch, the unmanned plane
Communication module, RTK module and state display module are connected with message processing module, the battery, Peripheral Interface and switch
It is connected with message processing module.
2. a kind of ground base station for having anti-interference function towards beyond-the-horizon communication according to claim 1, it is characterised in that:
Message processing module is in respectively two-way company with UAV Communication module, RTK module and state display module in the ground base station
It connects, the UAV Communication module and RTK module are respectively connected with antenna.
3. a kind of ground base station for having anti-interference function towards beyond-the-horizon communication according to claim 1, it is characterised in that:
Message processing module is in respectively to be bi-directionally connected with battery, Peripheral Interface and switch in the ground base station.
4. a kind of ground base station for having anti-interference function towards beyond-the-horizon communication according to claim 1, it is characterised in that:
Be provided with battery on the ground base station, and the output end of battery respectively with message processing module, UAV Communication module, RTK
The input terminal of module and state display module electrically connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910775911.4A CN110536366A (en) | 2019-08-21 | 2019-08-21 | A kind of ground base station having anti-interference function towards beyond-the-horizon communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910775911.4A CN110536366A (en) | 2019-08-21 | 2019-08-21 | A kind of ground base station having anti-interference function towards beyond-the-horizon communication |
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| CN110536366A true CN110536366A (en) | 2019-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113796028A (en) * | 2020-09-29 | 2021-12-14 | 深圳市大疆创新科技有限公司 | Interference processing method, interference processing device and control equipment |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 266000 East China Road 817, Qingdao High-tech Zone, Shandong Province Applicant after: Qingdao Huahang UAV Technology Co.,Ltd. Address before: 266000 Room 518, building 2, 80 Liaoning Road, Shibei District, Qingdao City, Shandong Province Applicant before: Qingdao Huizhi Tianyun Technology Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |
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| RJ01 | Rejection of invention patent application after publication |