CN116318352A - Shelter identification system and identification method - Google Patents
Shelter identification system and identification method Download PDFInfo
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- CN116318352A CN116318352A CN202310246086.5A CN202310246086A CN116318352A CN 116318352 A CN116318352 A CN 116318352A CN 202310246086 A CN202310246086 A CN 202310246086A CN 116318352 A CN116318352 A CN 116318352A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000010295 mobile communication Methods 0.000 claims description 15
- 230000002238 attenuated effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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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
- 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
- H04B7/18519—Operations control, administration or maintenance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a shielding object identification system and an identification method, which belong to the technical field of shielding object identification, and comprise the following steps: the antenna feeder system is connected with the beacon machine; the demodulator is respectively connected with the antenna feed system and the beacon machine; the commercial antenna servo board card is connected with the beacon machine; the detection radar is connected with the antenna servo board card; and the turntable control module is connected with the antenna servo board card. The system architecture of the ground mobile equipment is optimally designed, the detection radar is added, so that the system has the capability of autonomously sensing the surrounding environment, real-time environment information of the antenna beam pointing direction can be timely fed back through the detection radar, and the detection radar has millisecond-level detection feedback, so that the system can judge the size and the type of the obstacle at the first time, and a correct and timely optimization strategy is made for the obstacle, so that the communication quality of the system and the outstanding effective capability are guaranteed to the greatest extent.
Description
Technical Field
The invention relates to the technical field of shielding object identification, in particular to a shielding object identification system and a shielding object identification method.
Background
In the actual application process of the ground mobile satellite communication equipment, due to the interference of the terrain and the surrounding environment, the situation that the satellite signal is shielded or attenuated by the shielding object often exists.
At present, whether shielding exists is judged mainly by analyzing the intensity of satellite signals received by equipment, the judgment needs long-time signal acquisition and analysis, continuous attempts are needed in a tracking strategy, and therefore the system works for a long time in the searching judgment process, but cannot feed back the actual situation, and the communication capacity and the communication efficiency of the system are seriously affected.
Disclosure of Invention
In one aspect, to solve the problems of the prior art, the present invention provides a shade identification system, the system being mounted on a mobile communication device, the system comprising:
the antenna feed system is used for processing and transmitting the received signals;
the beacon machine is connected with the antenna feed system;
the demodulator is respectively connected with the antenna feed system and the beacon machine;
the antenna servo board card is connected with the beacon machine;
the detection radar is respectively connected with the antenna servo board card and the antenna feed system and is used for detecting the shielding condition of the beam pointing direction of the satellite communication antenna in real time;
the turntable control module is respectively connected with the antenna servo board card and the antenna feed system and is used for controlling the steering of the antenna servo board card after receiving the instruction of the antenna feed system;
and the inertial navigation module is connected with the antenna servo board card and is used for providing high-precision positioning navigation function for the ground surface mobile equipment when entering a tunnel or an underground space.
Further, the antenna feed system includes: a low noise amplifier and a power amplifier assembly;
the low noise amplifier is connected with the beacon machine;
the power amplifier assembly is coupled to the demodulator.
Further, the turntable control module includes: the device comprises a pitching turntable, a pitching turntable control mechanism, an azimuth turntable and an azimuth turntable control mechanism;
the pitching turntable is respectively connected with the pitching turntable control mechanism and the antenna servo board card;
the azimuth turntable is respectively connected with the azimuth turntable control mechanism and the antenna servo board card;
the pitching turntable control mechanism and the azimuth turntable control mechanism are respectively connected with the antenna feed system.
In another aspect, the present invention provides a method for identifying a covering object, including the steps of:
step 1, when a mobile communication device is shielded by a shielding object in a normal moving process, starting a detection radar when signals between the antenna servo board card and the satellite are attenuated or the signal quality is poor;
and 2, analyzing and feeding back the shielding signals detected in real time to the antenna feed system by the detection radar, classifying the received shielding signals by the antenna feed system, and making corresponding measures after receiving the instructions by the turntable control module by sending the instructions to the turntable control module according to the classified shielding signals.
Further, in step 1, the detection radar determines the blocking signal by detecting the beam pointing direction of the antenna servo board card in real time.
Further, in step 2, the occlusion signal includes: an underground space shielding signal, an object shielding signal and a tunnel shielding signal;
when the antenna feed system receives an underground space shielding signal, the power amplifier component is closed, the antenna feed system is closed or standby, and no instruction is sent to the turntable control module;
when the antenna feeder system receives an object shielding signal and the shielding object is a driving route obstacle, the power amplifier assembly outputs the signal, and the antenna feeder system controls the beacon to re-plan a new driving route; if the detection radar judges that the shielding object is a non-driving route obstacle, the pre-planning task can be continuously executed;
when the antenna feeder system receives a tunnel shielding signal, the power amplifier assembly is closed, the antenna servo board card keeps the current posture, the antenna feeder system mobilizes the beacon machine to retrieve map information, the running information of the mobile communication equipment out of the tunnel is estimated, when the mobile communication equipment out of the tunnel space is to be detected, the detecting radar feeds back the running information out of the tunnel to the antenna feeder system, the antenna feeder system sends an instruction to the turntable control template according to the running information, and after the turntable control module receives the instruction, the antenna is controlled to rotate so that the antenna servo board card beam is directed to the satellite to return to normal communication.
Further, the travel information includes: time information, location information, and heading information for the mobile communication device to exit the tunnel.
The invention has the beneficial effects that:
the system architecture of the ground mobile equipment is optimally designed, the detection radar is added, so that the system has the capability of autonomously sensing the surrounding environment, real-time environment information of the antenna beam pointing direction can be timely fed back through the detection radar, and the detection radar has millisecond-level detection feedback, so that the system can judge the size and the type of the obstacle at the first time, and a correct and timely optimization strategy is made for the obstacle, so that the communication quality of the system and the outstanding effective capability are guaranteed to the greatest extent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system architecture provided by the present invention;
FIG. 2 is a flow chart of the system control when occlusion occurs.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, an obstruction identification system, the system being mounted on a mobile communication device, the system comprising:
the antenna feed system is used for processing and transmitting the received signals;
the beacon machine is connected with the antenna feed system;
the demodulator is respectively connected with the antenna feed system and the beacon machine;
the antenna servo board card is connected with the beacon machine;
the detection radar is respectively connected with the antenna servo board card and the antenna feed system and is used for detecting the shielding condition of the beam pointing direction of the satellite communication antenna in real time;
the turntable control module is respectively connected with the antenna servo board card and the antenna feed system and is used for controlling the steering of the antenna servo board card after receiving the instruction of the antenna feed system;
the inertial navigation module is connected with the antenna servo board card and is used for providing high-precision positioning navigation function for the ground surface mobile equipment when entering a tunnel or an underground space;
and the power management module is used for supplying power to the system.
The detection radar has the capability of independently analyzing data, and can evaluate whether a shielding object exists in the detection direction or not and the type of the shielding object in real time. For example, feedback may be tree shielding or tunnel shielding, etc.
The satellite system adopts corresponding obstacle avoidance operation according to the feedback information of the detection radar and timely feeds back the current beam pointing roadblock condition of the antenna servo board card to a user.
The detection radar is divided into two types of pulse radar and continuous wave radar according to the working state, and is widely applied to aspects such as reconnaissance, warning, navigation, tracking, aiming, guidance, topography measurement, meteorological detection and the like.
The beacon machine consists of an oscillator, a transmitter, a transmitting antenna and additional equipment, in the aircraft navigation system, one or more ground navigation stations transmit radio beacon signals (constant amplitude waves, modulation waves or codes) at a specified frequency, and the aircraft navigation equipment detects or calculates the orientation of the aircraft relative to the navigation stations according to the received beacon signals. The aircraft is continually oriented and heading corrected and can be directed to the destination. The main uses of radio beacons installed on board an aircraft are: the ground station can timely find the aircraft by receiving the beacon signal transmitted by the aircraft, measure the azimuth angle or pitch angle of the aircraft relative to the ground station, and can also be used for guiding the antennas of other devices to aim at the flying target; the beacons in the return spacecraft can provide information to the search device on the location of the recovered object.
In some embodiments, the antenna feed system comprises: a low noise amplifier and a power amplifier assembly;
the low noise amplifier is connected with the beacon machine;
the power amplifier assembly is connected with the demodulator;
the low noise amplifier and the power amplifier assembly are embedded within the antenna feed system.
In some embodiments, the turntable control module comprises: the device comprises a pitching turntable, a pitching turntable control mechanism, an azimuth turntable and an azimuth turntable control mechanism;
the pitching turntable is respectively connected with the pitching turntable control mechanism and the antenna servo board card;
the azimuth turntable is respectively connected with the azimuth turntable control mechanism and the antenna servo board card;
the pitching turntable control mechanism and the azimuth turntable control mechanism are respectively connected with the antenna feed system.
The turntable control module is a common indispensable structure known in the art, and has the function of driving the antenna servo board card to rotate according to the instruction of the antenna feed system. For example, chinese patent publication No. CN104733858B, an automatic antenna mount, describes a turntable mechanism for controlling the flexible rotation of an antenna.
Example two
Referring to fig. 2, a method for identifying an obstruction identification system includes the steps of:
step 1, when the mobile communication equipment is in a normal moving process, the signal between the antenna servo board card and the satellite is attenuated or the signal quality is poor, starting a detection radar;
step 2, analyzing and feeding back the shielding signals detected in real time to the antenna feed system by the detection radar, classifying the received shielding signals by the antenna feed system, and making corresponding measures after receiving the instructions by the turntable control module by sending the instructions to the turntable control module according to the classified shielding signals;
the detection radar determines a shielding signal by detecting the beam pointing direction of the antenna servo board card in real time, wherein the shielding signal comprises: an underground space shielding signal, an object shielding signal and a tunnel shielding signal;
the antenna feed system analyzes the received shielding signal and makes corresponding measures according to the analysis;
when the antenna feeder system receives an underground space (garage) shielding signal, the power amplifier component is closed, the antenna feeder system is closed or standby, and does not send an instruction to the turntable control module, and a user judges a driving route according to the current environment.
Example III
When the antenna feeder system receives an object shielding signal (tree building) and the shielding object is a driving route obstacle, the power amplifier assembly outputs the signal, and the antenna feeder system controls the beacon machine to re-plan a new driving route; the mobile communication equipment runs according to the newly planned running route, so that the signal quality recovery between the antenna servo board card and the satellite is realized;
if the detection radar judges that the shielding object is a non-driving route obstacle (stump grass) then the pre-planning task can be continuously executed.
Example IV
When the antenna feeder system receives a tunnel shielding signal, the power amplifier component is closed, the antenna servo board card keeps the current posture, the antenna feeder system mobilizes the beacon machine to retrieve map information, evaluates time information, position information and heading information of the mobile communication equipment when the mobile communication equipment leaves a tunnel, feeds back driving information to the antenna feeder system by the detection radar, recalculates beam pointing angles of the antenna servo board card according to the position information and the heading information of the driving information, sends an instruction to the turntable control module, and controls the antenna to rotate after receiving the instruction so that the beam pointing satellite of the antenna servo board card returns to normal communication.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. An obstruction identification system, said system being mounted on a mobile communication device, said system comprising:
the antenna feed system is used for processing and transmitting the received signals;
the beacon machine is connected with the antenna feed system;
the demodulator is respectively connected with the antenna feed system and the beacon machine;
the antenna servo board card is connected with the beacon machine;
the detection radar is respectively connected with the antenna servo board card and the antenna feed system and is used for detecting the shielding condition of the beam pointing direction of the satellite communication antenna in real time;
the turntable control module is respectively connected with the antenna servo board card and the antenna feed system and is used for controlling the steering of the antenna servo board card after receiving the instruction of the antenna feed system;
and the inertial navigation module is connected with the antenna servo board card and is used for providing high-precision positioning navigation function for the ground surface mobile equipment when entering a tunnel or an underground space.
2. The obstruction identification system of claim 1, wherein the antenna feed system comprises: a low noise amplifier and a power amplifier assembly;
the low noise amplifier is connected with the beacon machine;
the power amplifier assembly is coupled to the demodulator.
3. The obstruction identification system of claim 1, wherein the turntable control module comprises: the device comprises a pitching turntable, a pitching turntable control mechanism, an azimuth turntable and an azimuth turntable control mechanism;
the pitching turntable is respectively connected with the pitching turntable control mechanism and the antenna servo board card;
the azimuth turntable is respectively connected with the azimuth turntable control mechanism and the antenna servo board card;
the pitching turntable control mechanism and the azimuth turntable control mechanism are respectively connected with the antenna feed system.
4. A method of identifying an obstruction identification system according to any of claims 1 to 3, the method comprising the steps of:
step 1, when a mobile communication device is shielded by a shielding object in a normal moving process, starting a detection radar when signals between the antenna servo board card and the satellite are attenuated or the signal quality is poor;
and 2, analyzing and feeding back the shielding signals detected in real time to the antenna feed system by the detection radar, classifying the received shielding signals by the antenna feed system, and making corresponding measures after receiving the instructions by the turntable control module by sending the instructions to the turntable control module according to the classified shielding signals.
5. The method according to claim 4, wherein in step 1, the detection radar determines the blocking signal by detecting the beam pointing direction of the antenna servo board in real time.
6. The method of claim 4, wherein in step 2, the occlusion signal comprises: an underground space shielding signal, an object shielding signal and a tunnel shielding signal;
when the antenna feed system receives an underground space shielding signal, the power amplifier component is closed, the antenna feed system is closed or standby, and no instruction is sent to the turntable control module;
when the antenna feeder system receives an object shielding signal and the shielding object is a driving route obstacle, the power amplifier assembly outputs the signal, and the antenna feeder system controls the beacon to re-plan a new driving route; if the detection radar judges that the shielding object is a non-driving route obstacle, the pre-planning task can be continuously executed;
when the antenna feeder system receives a tunnel shielding signal, the power amplifier assembly is closed, the antenna servo board card keeps the current posture, the antenna feeder system mobilizes the beacon machine to retrieve map information, the running information of the mobile communication equipment out of the tunnel is estimated, when the mobile communication equipment out of the tunnel space is to be detected, the detecting radar feeds back the running information out of the tunnel to the antenna feeder system, the antenna feeder system sends an instruction to the turntable control template according to the running information, and after the turntable control module receives the instruction, the antenna is controlled to rotate so that the antenna servo board card beam is directed to the satellite to return to normal communication.
7. The method of claim 6, wherein the driving information includes: time information, location information, and heading information for the mobile communication device to exit the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310246086.5A CN116318352B (en) | 2023-03-15 | 2023-03-15 | Shelter identification system and identification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310246086.5A CN116318352B (en) | 2023-03-15 | 2023-03-15 | Shelter identification system and identification method |
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| CN116318352A true CN116318352A (en) | 2023-06-23 |
| CN116318352B CN116318352B (en) | 2024-09-20 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060258376A1 (en) * | 2005-05-10 | 2006-11-16 | Ewell Robert C Jr | Apparatus For Enabling A Mobile Communicator and Methods of Using the Same |
| US20100197351A1 (en) * | 2005-05-10 | 2010-08-05 | Mobile Communication Technologies, Llc | Apparatus for and system for enabling a mobile communicator |
| CN113291298A (en) * | 2020-02-20 | 2021-08-24 | 株式会社斯巴鲁 | Driving assistance system for vehicle |
| CN113691331A (en) * | 2021-07-23 | 2021-11-23 | 荣耀终端有限公司 | Method and mobile terminal for signal strength prediction |
| CN114200435A (en) * | 2021-12-08 | 2022-03-18 | 航天科工微电子系统研究院有限公司 | A full airspace detection radar system and detection method thereof |
-
2023
- 2023-03-15 CN CN202310246086.5A patent/CN116318352B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060258376A1 (en) * | 2005-05-10 | 2006-11-16 | Ewell Robert C Jr | Apparatus For Enabling A Mobile Communicator and Methods of Using the Same |
| US20100197351A1 (en) * | 2005-05-10 | 2010-08-05 | Mobile Communication Technologies, Llc | Apparatus for and system for enabling a mobile communicator |
| CN113291298A (en) * | 2020-02-20 | 2021-08-24 | 株式会社斯巴鲁 | Driving assistance system for vehicle |
| CN113691331A (en) * | 2021-07-23 | 2021-11-23 | 荣耀终端有限公司 | Method and mobile terminal for signal strength prediction |
| CN114200435A (en) * | 2021-12-08 | 2022-03-18 | 航天科工微电子系统研究院有限公司 | A full airspace detection radar system and detection method thereof |
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| CN116318352B (en) | 2024-09-20 |
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