CN104682017A - Multi-beam phased-array satellite communication antenna array and directivity control system - Google Patents
Multi-beam phased-array satellite communication antenna array and directivity control system Download PDFInfo
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- CN104682017A CN104682017A CN201410833630.7A CN201410833630A CN104682017A CN 104682017 A CN104682017 A CN 104682017A CN 201410833630 A CN201410833630 A CN 201410833630A CN 104682017 A CN104682017 A CN 104682017A
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides a multi-beam phased-array satellite communication antenna array and a directivity control system, which are used for a satellite communication device of a movable object with a high-speed automatic tracking function. The multi-beam phased-array satellite communication antenna array comprises four antenna assemblies, wherein all of the antenna assemblies are same in structures and functions and are mutually independent, each antenna assembly comprises two transmitting units and one receiving unit, and beam omnidirectional covering is realized by a total of eight transmitting units and four receiving units; each transmitting unit is composed of a power dividing phase shifter and six antenna array elements, and a narrow transmitting beam is formed by the six antenna array elements by the power dividing phase shifter through phase deviation, so as to increase transmitting gains; each receiving unit is composed of a low-noise amplifier and two antenna array elements, and an antenna controller, a one-out-of-four switch, a one-out-of-eight switch and a power amplifier are arranged in each antenna assembly.
Description
Technical field
The present invention relates to structure and the directivity control system thereof of the multi-beam satellite array antenna carrying out satellite communication, object and satellite carry out the array antenna structure that communicates and directivity control system thereof frequently particularly to relate to high-speed moving object or posture changing.
Background technology
Ground satellite navigator and ground satellite transmitting-receiving bidirectional antenna have developed very ripe, more and more frequent along with air activity, airflight object is except needing the data receiving navigation satellite, accept outside the urban satellite navigation service, also need to carry out satellite communication, but airflight object major part is limited to satellite navigation application at present.
Satellite antenna can be divided into mechanical scanning tracking and electric scanning to follow the tracks of according to scan tracing mode, wherein mechanical scanning satellite antenna is generally orientation, pitching and polarization Three-axis drive, adopts mechanical scanning just can meet the demands for earth-fixed station, vehicle-mounted satellite antenna, Shipborne satellite antenna and Portable satellite aerial.But for the object of freedom of the air motion, adopt mechanical scanning, tracking velocity is difficult to meet the demands, especially for high-speed mobile, and the continuous fast-changing object of flight attitude, adopting mechanical scanning to follow the tracks of is be difficult to realize.The scan tracing speed of multi-beam phase array satellite antenna quickly, is widely used in various radar antenna and satellite antenna, but the complex structure of general electric scanning satellite antenna, heat dissipation problem not easily solves, and phase control is very difficult.
Summary of the invention
The invention provides a kind of multi-beam phase array satellite communication array antenna and directivity control system, aerial fast moving can be arranged on and posture changing than the satellite communication antena on object more frequently, the satellite communication apparatus for loose impediment needs automatic tracking function at a high speed.
The present invention is achieved through the following technical solutions:
A kind of multi-beam phase array satellite communication array antenna, comprise 4 antenna combination, each antenna assembly construction is identical, and function is identical and separate, each antenna combination comprises 2 transmitter units and 1 receiving element, and 8 transmitter units and 4 receiving elements realize the covering of wave beam omnirange altogether; Wherein each transmitter unit divides phase shifter and 6 bays to form by merit, and merit divides phase shifter to make 6 array elements form narrow launching beam by phase deviation, improves transmitting gain in this way; Each receiving element is made up of low noise amplifier and 2 bays, and antenna controller, four is selected a switch, eight selects a switch, power amplifier is placed in each antenna combination.
A kind of multi-beam phase array satellite communication array-antenna directivity control system, comprises antenna controller, four and selects a switch, eight to select a switch, power amplifier, low noise amplifier, merit to divide phase shifter; Wherein: antenna controller points to the wave beam number of satellite by calculating, then control four by level drive signal and select that a switch, eight selects a switch, merit divides phase shifter, the operating state of power amplifier, low noise amplifier; Four select a switch to be the selector switch of 4 receiving elements, and eight select a switch to be the selector switch of 8 transmitter units; Merit divides phase shifter for the formation of narrow launching beam, and power amplifier is used for the amplification of emitting radio frequency signal, and low noise amplifier is for amplifying Received signal strength.
Described multi-beam phase array satellite communication array antenna adopts electric scanning and phase shift beam synthesizing technology to form multi-beam, and the high speed realizing wave beam switches and high-gain.
The described locus of multi-beam phase array satellite communication array-antenna directivity control system residing for array antenna, and the attitude information that transducer provides, calculate and control to be switched to respective beam and set up with satellite and communicate, when attitude changes, directivity control system is switched to another group wave beam and communicates with satellite.
When described multi-beam phase array satellite communication array antenna and satellite communication, by array-antenna directivity control system by electric scanning mode switching-beam, the antenna beam of positive alignment satellite is communicated with satellite transceiver, controls this wave beam and communicate with satellite.
Beneficial effect of the present invention:
(1) synthesize multi-beam, beam gain is high;
(2) directivity control system, beam switchover is fast;
(3) this array of satellites antenna is particularly suitable for high-speed mobile or the communication of posture changing ratio more frequently between object and satellite.
(4) this array of satellites antenna adopts satellite communication, does not limit by region, particularly remarkable in the underdeveloped region of communication.
Accompanying drawing explanation
Fig. 1 inventive antenna structure chart;
Fig. 2 inventive antenna combination assumption diagram;
Fig. 3 is the directivity Control system architecture figure of multi-beam phase array satellite communication array antenna.
Embodiment
Below in conjunction with accompanying drawing, the invention will be described further, and in following explanation accompanying drawing used, identical part is marked by identical label, and the embodiment of omnidirectional of the present invention satellite communication array antenna is illustrated referring to figs. 1 to 3.
Attachedly Figure 1 shows that multi-beam phase array satellite communication array antenna overall structure figure, whole antenna is divided into four antenna combination, each antenna combination is had a style of one's own (comprising multiple radiating element, phase shifter, LNA etc.), account for 90 ° of installing spaces, the circumference being responsible for 90 ° covers the axis covering with ± 80 °.Reduce radio frequency cable commissure as far as possible between four combinations, machine and to assemble on carrier respectively afterwards, carrier is formed overall, realize circumference 360 ° of coverings.
Accompanying drawing 2 is antenna combined composition, often organizes antenna combination and is made up of 2 transmission antenna unit and 1 reception antenna unit.Each transmitter unit is made up of 6 Square Microstrip Antenna array elements, after 6 unit group battle arrays, divides phase shifter to form four scanning beams by merit, in order to cover the longitudinal angle of ± 80 ° and the lateral angle of ± 22.5 °.Each receiving element is divided into 2 microband antenna units, and unit adopts Miniaturization Design, with its beamwidth at y direction of broadening, utilizes feed circuit control unit phase place, makes two unit synthesis with the gain improving whole received beam.
Accompanying drawing 3 is the structure chart of the directivity control system of multi-beam phase array satellite communication array antenna, and system is made up of antenna controller, driver, electronic switch, LNA, phase shifter etc.Antenna controller realizes changing the TURP of electronic switch and phase shifter by control and drive system, thus forms multi-beam.Meanwhile, antenna controller resolves the wave beam number obtained towards satellite to position and attitude information, then switches corresponding wave beam by electric switching mode.
Claims (5)
1. a multi-beam phase array satellite communication array antenna, it is characterized in that: comprise 4 antenna combination, each antenna assembly construction is identical, function is identical and separate, each antenna combination comprises 2 transmitter units and 1 receiving element, and 8 transmitter units and 4 receiving elements realize the covering of wave beam omnirange altogether; Wherein each transmitter unit divides phase shifter and 6 bays to form by merit, and merit divides phase shifter to make 6 array elements form narrow launching beam by phase deviation, improves transmitting gain in this way; Each receiving element is made up of low noise amplifier and 2 bays, and antenna controller, four is selected a switch, eight selects a switch, power amplifier is placed in each antenna combination.
2. a kind of multi-beam phase array satellite communication array antenna as claimed in claim 1, it is characterized in that: described multi-beam phase array satellite communication array antenna adopts electric scanning and phase shift beam synthesizing technology to form multi-beam, and the high speed realizing wave beam switches and high-gain.
3. a kind of multi-beam phase array satellite communication array antenna as claimed in claim 1 or 2, it is characterized in that: when described multi-beam phase array satellite communication array antenna and satellite communication, by array-antenna directivity control system by electric scanning mode switching-beam, the antenna beam of positive alignment satellite is communicated with satellite transceiver, controls this wave beam and communicate with satellite.
4. a multi-beam phase array satellite communication array-antenna directivity control system, is characterized in that: comprise antenna controller, four and select a switch, eight to select a switch, power amplifier, low noise amplifier, merit to divide phase shifter; Wherein: antenna controller points to the wave beam number of satellite by calculating, then control four by level drive signal and select that a switch, eight selects a switch, merit divides phase shifter, the operating state of power amplifier, low noise amplifier; Four select a switch to be the selector switch of 4 receiving elements, and eight select a switch to be the selector switch of 8 transmitter units; Merit divides phase shifter for the formation of narrow launching beam, and power amplifier is used for the amplification of emitting radio frequency signal, and low noise amplifier is for amplifying Received signal strength.
5. a kind of multi-beam phase array satellite communication array-antenna directivity control system as claimed in claim 4, it is characterized in that: the described locus of multi-beam phase array satellite communication array-antenna directivity control system residing for array antenna, and the attitude information that transducer provides, calculate and control to be switched to respective beam and set up with satellite and communicate, when attitude changes, directivity control system is switched to another group wave beam and communicates with satellite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833630.7A CN104682017A (en) | 2014-12-26 | 2014-12-26 | Multi-beam phased-array satellite communication antenna array and directivity control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833630.7A CN104682017A (en) | 2014-12-26 | 2014-12-26 | Multi-beam phased-array satellite communication antenna array and directivity control system |
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| CN104682017A true CN104682017A (en) | 2015-06-03 |
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| CN201410833630.7A Pending CN104682017A (en) | 2014-12-26 | 2014-12-26 | Multi-beam phased-array satellite communication antenna array and directivity control system |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025576A (en) * | 2016-07-15 | 2016-10-12 | 华讯方舟科技有限公司 | Switch array antenna |
| CN106506056A (en) * | 2015-09-06 | 2017-03-15 | 中国移动通信集团公司 | A kind of satellite communication method and device |
| CN106559122A (en) * | 2015-09-28 | 2017-04-05 | 中兴通讯股份有限公司 | A kind of data communications method and device of employing wave beam forming |
| CN106773957A (en) * | 2016-12-16 | 2017-05-31 | 中国电子科技集团公司第三十八研究所 | It is a kind of be applied to airborne radar countermeasure system detect receipts beam steering system and method |
| CN108718002A (en) * | 2018-06-01 | 2018-10-30 | 上海微小卫星工程中心 | A kind of satellite automatic follow-up system based on multi-beam phased array antenna |
| CN108957900A (en) * | 2018-06-29 | 2018-12-07 | 西安空间无线电技术研究所 | A kind of multi-beam optical phased array antenna based on silicon substrate |
| CN109633736A (en) * | 2018-12-24 | 2019-04-16 | 山东科技大学 | A kind of elastic wave phase control emission is against syntesis receiving method |
| US10523310B2 (en) | 2017-04-04 | 2019-12-31 | Rohde & Schwarz Gmbh & Co. Kg | Mobile device and method for wireless communication with at least one flying object |
| CN110798236A (en) * | 2019-11-12 | 2020-02-14 | 天津津航计算技术研究所 | Multi-beam space power synthesis radio frequency front-end circuit |
| CN110970739A (en) * | 2018-09-29 | 2020-04-07 | 启碁科技股份有限公司 | Antenna system |
| CN111103598A (en) * | 2019-12-26 | 2020-05-05 | 中国电子科技集团公司第五十五研究所 | Vehicle-mounted bidirectional transceiver based on millimeter wave active phased array |
| CN112367102A (en) * | 2020-09-30 | 2021-02-12 | 东方红卫星移动通信有限公司 | Low-profile transmitting-receiving antenna conformal time division multiplexing communication circuit and satellite communication terminal |
| CN112688073A (en) * | 2021-03-22 | 2021-04-20 | 成都迅翼卫通科技有限公司 | Reflection type multi-beam satellite communication panel array antenna control system and simulation method |
| CN112711016A (en) * | 2020-11-19 | 2021-04-27 | 中国科学院微电子研究所 | Multi-beam switching cylindrical array antenna structure and radar system |
| CN115632241A (en) * | 2022-10-31 | 2023-01-20 | 成都华芯天微科技有限公司 | Satellite-borne multi-beam phased array antenna for low-orbit satellite communication |
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| CN202905954U (en) * | 2012-12-03 | 2013-04-24 | 北京航天科工世纪卫星科技有限公司 | Conformal microstrip multibeam switching antenna |
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| JPH04307381A (en) * | 1991-04-04 | 1992-10-29 | Nec Corp | Antenna control system |
| CN201315343Y (en) * | 2008-12-10 | 2009-09-23 | 北京航天科工世纪卫星科技有限公司 | Omnidirectional satellite communication array antenna controller |
| CN202905954U (en) * | 2012-12-03 | 2013-04-24 | 北京航天科工世纪卫星科技有限公司 | Conformal microstrip multibeam switching antenna |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506056A (en) * | 2015-09-06 | 2017-03-15 | 中国移动通信集团公司 | A kind of satellite communication method and device |
| CN106506056B (en) * | 2015-09-06 | 2020-03-10 | 中国移动通信集团公司 | Satellite communication method and device |
| CN106559122A (en) * | 2015-09-28 | 2017-04-05 | 中兴通讯股份有限公司 | A kind of data communications method and device of employing wave beam forming |
| CN106025576A (en) * | 2016-07-15 | 2016-10-12 | 华讯方舟科技有限公司 | Switch array antenna |
| CN106025576B (en) * | 2016-07-15 | 2019-02-19 | 华讯方舟科技有限公司 | A kind of switch arrays antenna |
| CN106773957A (en) * | 2016-12-16 | 2017-05-31 | 中国电子科技集团公司第三十八研究所 | It is a kind of be applied to airborne radar countermeasure system detect receipts beam steering system and method |
| US10523310B2 (en) | 2017-04-04 | 2019-12-31 | Rohde & Schwarz Gmbh & Co. Kg | Mobile device and method for wireless communication with at least one flying object |
| CN108718002A (en) * | 2018-06-01 | 2018-10-30 | 上海微小卫星工程中心 | A kind of satellite automatic follow-up system based on multi-beam phased array antenna |
| CN108957900A (en) * | 2018-06-29 | 2018-12-07 | 西安空间无线电技术研究所 | A kind of multi-beam optical phased array antenna based on silicon substrate |
| CN110970739B (en) * | 2018-09-29 | 2021-08-17 | 启碁科技股份有限公司 | Antenna system |
| CN110970739A (en) * | 2018-09-29 | 2020-04-07 | 启碁科技股份有限公司 | Antenna system |
| CN109633736A (en) * | 2018-12-24 | 2019-04-16 | 山东科技大学 | A kind of elastic wave phase control emission is against syntesis receiving method |
| CN109633736B (en) * | 2018-12-24 | 2022-01-25 | 山东科技大学 | Elastic wave phase-controlled transmitting inverse synthesis receiving method |
| CN110798236A (en) * | 2019-11-12 | 2020-02-14 | 天津津航计算技术研究所 | Multi-beam space power synthesis radio frequency front-end circuit |
| CN111103598A (en) * | 2019-12-26 | 2020-05-05 | 中国电子科技集团公司第五十五研究所 | Vehicle-mounted bidirectional transceiver based on millimeter wave active phased array |
| CN111103598B (en) * | 2019-12-26 | 2022-03-25 | 南京国微电子有限公司 | Vehicle-mounted bidirectional transceiver based on millimeter wave active phased array |
| CN112367102A (en) * | 2020-09-30 | 2021-02-12 | 东方红卫星移动通信有限公司 | Low-profile transmitting-receiving antenna conformal time division multiplexing communication circuit and satellite communication terminal |
| CN112711016A (en) * | 2020-11-19 | 2021-04-27 | 中国科学院微电子研究所 | Multi-beam switching cylindrical array antenna structure and radar system |
| CN112711016B (en) * | 2020-11-19 | 2024-04-09 | 中国科学院微电子研究所 | Multi-beam switching cylindrical array antenna structure and radar system |
| CN112688073B (en) * | 2021-03-22 | 2021-06-01 | 成都迅翼卫通科技有限公司 | Reflection type multi-beam satellite communication panel array antenna control system and simulation method |
| CN112688073A (en) * | 2021-03-22 | 2021-04-20 | 成都迅翼卫通科技有限公司 | Reflection type multi-beam satellite communication panel array antenna control system and simulation method |
| CN115632241A (en) * | 2022-10-31 | 2023-01-20 | 成都华芯天微科技有限公司 | Satellite-borne multi-beam phased array antenna for low-orbit satellite communication |
| CN115632241B (en) * | 2022-10-31 | 2023-05-30 | 成都华芯天微科技有限公司 | Satellite-borne multi-beam phased array antenna for low-orbit satellite communication |
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