CN206922018U - Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane - Google Patents
Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane Download PDFInfo
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- CN206922018U CN206922018U CN201720853194.9U CN201720853194U CN206922018U CN 206922018 U CN206922018 U CN 206922018U CN 201720853194 U CN201720853194 U CN 201720853194U CN 206922018 U CN206922018 U CN 206922018U
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Abstract
The utility model discloses a kind of two-dimentional switched multi-beam smart antenna for applying to unmanned plane, including：Aerial array, feeding network and single pole multiple throw array；The aerial array is connected with feeding network, and the distributing point of the feeding network is connected with the moved end of single pole multiple throw in single pole multiple throw array, the motionless termination antenna port of multiple single pole multiple throws in the single pole multiple throw array.The utility model provides a kind of two-dimentional switched multi-beam smart antenna for applying to unmanned plane, and the utility model structure is lighter, and day line traffic control is more flexible, and the switching of high-gain multi-beam can be achieved.Advantageously reduce overlay area external signal to disturb to caused by multiple-beam system, improve the availability of frequency spectrum and channel capacity of communication system, improve antenna gain to realize more remote signal covering, distance is passed so as to lift the remote control distance of unmanned plane or figure.
Description
Technical field
Communication device field is the utility model is related to, more particularly to a kind of two-dimentional switched multi-beam intelligence for applying to unmanned plane
Can antenna.
Background technology
Beam switchover such as phased array have more ripe utilization on radar at first, are later raising base station coverage distance and guarantor
Effective overlay area is demonstrate,proved, develops the beamforming technique for applying to antenna for base station, wave beam forming is that one kind is based on aerial array
Signal Pretreatment technology, by adjust each array element in aerial array weight coefficient produce with directive property wave beam, from
And obvious array gain can be obtained.Beamforming technique is being expanded the coverage area, is improving edge throughput and interference suppression
Only etc. there is very big advantage.
Wave beam forming is in terminal class antenna using less, first, needs group battle array, day space of lines relative requirement is larger；It is second, logical
The single array element phase of the radio-frequency devices such as phase shifter control is crossed, cost is higher.However, for unmanned plane field, antenna is improved
The covering of more remote signal is realized in gain, realizes that unmanned plane is farther apart from remote control distributor, therefore, unmanned plane field is to wave beam
Figuration technology has more urgent demand.
Wish to realize more remote signal covering by improving antenna gain, the space at aircraft end is limited, Wo Menkao
Consider and design a high-gain aerial, while scene according to demand in ground control terminal, ensure that wave beam can cover whole needs
Spatial domain.In addition it is desirable that also designing that a structure is lighter, more flexible antenna system is controlled, realizes high-gain multi-beam
Switching.And multibeam antenna is different from traditional antenna, it only has higher yield value in specified region, and increases elsewhere
Benefit is very low, disturb so overlay area external signal can be reduced to caused by multiple-beam system, improve the availability of frequency spectrum of system with
Channel capacity.
Therefore, the prior art is defective, it is necessary to improve.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of two dimension for applying to unmanned plane switches more
Beam intelligent antenna.The device should be made up of the feeding network that aerial array, the wave beam of high-gain control and switch arrays form,
The device can improve antenna gain to realize the covering of more remote signal, so as to lift the remote control distance of unmanned plane or figure pass away from
From.
The technical solution of the utility model is as follows：
A kind of two-dimentional switched multi-beam smart antenna for applying to unmanned plane, including：Aerial array, feeding network and hilted broadsword
Multithrow switch array；The aerial array is connected with feeding network, distributing point and the single pole multiple throw battle array of the feeding network
The moved end of single pole multiple throw connects in row, the motionless termination day of multiple single pole multiple throws in the single pole multiple throw array
Line end mouth；
The aerial array is disposed with multiple bays, the bay produce one-dimensional beam tape arranged in a straight line or
The two dimensional beam overlay area of one panel region；Antenna different in different distributing points connection aerial array in the feeding network
Array element, the phase of each bay input wave beam in feeding network control aerial array produce the narrow ripple of high-gain
Beam；The switch of the different distributing points of the single pole multiple throw antenna array control feeding network, by the switch of switched feed point come
The bay of the corresponding connection of switched feed point, so as to switch the ripple of the one-dimensional beam tape or the two dimensional beam overlay area
Shu Fangxiang.
Further, the input phase of each array element during the feeding network control aerial array is each, so as to produce high increasing
The narrow beam of benefit.
Further, the aerial array includes M × N number of bay, and the M × N number of bay is by antenna assembly
Top institute overlay area is divided into corresponding M × N number of subdomain, and the wave beam of each subdomain is controlled by corresponding bay.
Further, the feeding network is divided into the first feeding network and the second feeding network；The single pole multiple throw
Array is divided into the first single pole multiple throw array and the second single pole multiple throw array；The first single pole multiple throw array bag
Include N number of hilted broadsword M throw switches, the distributing point of the moved ends of the hilted broadsword M throw switches respectively with the first feeding network is connected, the hilted broadsword
The not moved end of M throw switches is connected with the second feeding network respectively；It is more that the distributing point of second feeding network connects the second hilted broadsword
Throw switch array, the second single pole multiple throw array include a hilted broadsword N throw switch, the hilted broadsword N throw switches it is motionless
Terminate antenna port.
Further, the feeding network is butler matrixes or Rotman lens feeding networks.
Further, the switch in the second single pole multiple throw array is radio frequency single pole multiple throw.
Further, the gain of the aerial array is more than or equal to 6dBi.
The relatively conventional antenna assembly for coordinating purely switch response using microstrip-fed technology, the utility model is using feedback
Electric network controls the input phase of each array element of aerial array, can produce the narrow beam of more high-gain, and antenna is controlled using transmission network
Array element can also cause the response of aerial signal faster, and loss is smaller
Using such scheme, the utility model provides a kind of two-dimentional switched multi-beam smart antenna for applying to unmanned plane,
Whole spatial domain required for can antenna launching beam be covered.The utility model structure is lighter, and day line traffic control is more flexible, can
Realize the switching of high-gain multi-beam.Advantageously reduce overlay area external signal to disturb to caused by multiple-beam system, improve logical
The availability of frequency spectrum and channel capacity of news system.Antenna gain is improved to realize more remote signal covering, so as to lift nothing
Man-machine remote control distance or figure passes distance.
Brief description of the drawings
Fig. 1 is that subdomain of the present utility model divides schematic diagram；
Fig. 2 is structural representation of the present utility model.
Embodiment
Shown referring to Figures 1 and 2, unmanned plane field has urgent demand to the antenna system of high-gain, improves antenna and increases
Benefit realizes the covering of more remote signal, and the remote control distance or figure for being advantageous to be lifted unmanned plane pass distance.Existing unmanned plane
Inner space is limited, and to improve antenna gain, the utility model designs a high-gain aerial in ground control terminal, and according to need
The scene asked, ensure that wave beam can cover required whole spatial domain.In addition, the utility model structure is lighter, control is more
Flexibly, the switching of high-gain multi-beam can be achieved.Multi-beam antenna apparatus is different from traditional antenna, it only have in specified region compared with
High yield value, and it is very low in gain elsewhere, done so overlay area external signal can be reduced to caused by multiple-beam system
Disturb, improve the availability of frequency spectrum and channel capacity of communication system.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The utility model provides a kind of
Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane, including：Aerial array 1, feeding network and single pole multiple throw battle array
Row；The aerial array 1 is connected with feeding network, and the distributing point and hilted broadsword in single pole multiple throw array of the feeding network are more
The moved end of throw switch connects, the motionless termination antenna port 6 of multiple single pole multiple throws in the single pole multiple throw array；
The aerial array 1 is disposed with multiple bays 11, and different bays 11 controls in the aerial array 1
The direction of wave beam, the bay 11 produce one-dimensional beam tape arranged in a straight line or the two dimensional beam area of coverage of a panel region
Domain；Bay 11 different in different distributing points connection aerial array 1 in the feeding network, the feeding network control
Each bay 11 in aerial array 1 inputs the phase of wave beam to produce the narrow beam of high-gain；The single pole multiple throw
The switch of the different distributing points of antenna array control feeding network, by the switch of switched feed point come the corresponding connection of switched feed point
Different antenna element 11, so as to switch the beam direction of the one-dimensional beam tape or the two dimensional beam overlay area.The feedback
Electric network controls the input phase of each array element of aerial array, so as to produce the narrow beam of high-gain.
The utility model can produce the multi beam ripple for covering larger region, and and can adjusts the lobe of wave beam as needed
Direction.The wave beam that each bay 11 is sent is referred to as beamlet or spot beam, the collection of beamlet is collectively referred to as total wave beam.Often
The region of individual sub- wave cover is different, the set i.e. communication zone for the unmanned plane that we need of all beamlet overlay areas.
Accordingly, UAV Communication region division needs covered is several subdomains, the corresponding son of each subdomain
Wave beam, the number of subdomain determine the quantity of beamlet, and subdomain is more, and beamlet is more, and the gain of antenna assembly can also
Accomplish it is higher, but wave beam control feeding network design can it is more complicated, development difficulty is big.Otherwise subdomain is fewer, development difficulty is small, ripple
Valve width is big, and gain is relatively lower.Therefore, after first determining the subdomain quantity of needs according to demand, antenna assembly it is other
Design parameter is also just basic to be determined, such as：The lobe width of array antenna and gain；Beam-forming network scheme；Switch control
Scheme etc..
As a kind of embodiment.Aerial array 1 of the present utility model includes M × N number of bay 11, with a certain in space
Point as origin establishes space coordinates, using direction straight up as the positive direction of Z axis, with process origin and with Z axis
Either one in vertical plane is X-direction, using the either direction vertical with X-axis and Z axis formation plane as Y direction.Base
It is M × N number of subdomain the region division of episphere sky, X-direction has M subdomain, and Y direction has N number of son in case above
Domain, the wave beam of each subdomain are controlled by corresponding bay 11.
To ensure the covering of episphere omnidirectional, array antenna beam lobe width X-direction is minimum to require (180 ÷ M) degree, Y
Direction of principal axis is minimum to require (180 ÷ N) degree, while ensures that (gain of aerial array 1 is more than or equal to high the gain of array antenna as far as possible
6dBi).Simultaneously according to the arrangement of beam-forming network array of designs bay 11, the design of impedance line.
The feeding network is divided into the first feeding network 2 and the second feeding network 4；The single pole multiple throw array is divided into
First single pole multiple throw array 3 and the second single pole multiple throw array 5；The first single pole multiple throw array 3 includes N number of
Hilted broadsword M throw switches, the distributing point of the moved ends of the hilted broadsword M throw switches respectively with the first feeding network 2 are connected, and the hilted broadsword M is thrown
The not moved end of switch is connected with the second feeding network 4 respectively；The distributing point of second feeding network 4 connects the second hilted broadsword and thrown more
Switch arrays 5, the second single pole multiple throw array 5 include a hilted broadsword N throw switch, as a kind of embodiment, the list
Knife N throw switches are radio frequency single pole multiple throw.The pin of the hilted broadsword N throw switches, which is connected on antenna port 6, can be achieved M × N
The wave cover of individual subdomain.Certainly transmission loss during design is paid particular attention to.
The feeding network is made up of RF switch, matrix or lens, and as a kind of embodiment, feeding network can herein
To be realized using Butler matrixes or Rotman lens, need exist for being divided into two ranks to complete, complete X-direction first
Orthogonal beams formed network, followed by upper N number of SPMT hilted broadsword M throw switches as control interface；Its secondary design Y direction is just
Hand over beam-forming network, behind keep up with SPNT hilted broadsword N throw switches again and be connected to as control interface, the pin of hilted broadsword N throw switches
RFC antenna ports 6.
It is noted that the relatively conventional antenna assembly for coordinating purely switch response using microstrip-fed technology, this
Utility model can be produced the narrow beam of more high-gain, be reduced using the input phase of feeding network control each array element of aerial array
Signal disturbs to caused by multiple-beam system；The utility model can also cause aerial signal using transmission network control bay
Faster, loss is smaller for response.
In summary, the utility model provides a kind of two-dimentional switched multi-beam smart antenna for applying to unmanned plane, can incite somebody to action
Whole spatial domain required for the covering of antenna launching beam.The utility model structure is lighter, and day line traffic control is more flexible, can be achieved
The switching of high-gain multi-beam.Advantageously reduce overlay area external signal to disturb to caused by multiple-beam system, improve communication system
The availability of frequency spectrum and channel capacity of system.Antenna gain is improved to realize more remote signal covering, so as to lift unmanned plane
Remote control distance or figure pass distance.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, it is all in this practicality
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
- A kind of 1. two-dimentional switched multi-beam smart antenna for applying to unmanned plane, it is characterised in that including：Aerial array, feed Network and single pole multiple throw array；The aerial array is connected with feeding network, the distributing point and hilted broadsword of the feeding network The moved end of single pole multiple throw connects in multithrow switch array, multiple single pole multiple throws in the single pole multiple throw array Motionless termination antenna port；The aerial array is disposed with multiple bays, and the bay produces one-dimensional beam tape or a piece of arranged in a straight line The two dimensional beam overlay area in region；Antenna array different in different distributing points connection aerial array in the feeding network Member, the phase of each bay input wave beam in feeding network control aerial array produce the narrow beam of high-gain； The switch of the different distributing points of the single pole multiple throw antenna array control feeding network, switched by the switch of switched feed point The bay input port of the corresponding connection of distributing point, so as to switch the one-dimensional beam tape or the two dimensional beam overlay area Beam direction.
- 2. the two-dimentional switched multi-beam smart antenna according to claim 1 for applying to unmanned plane, it is characterised in that described The input phase of each array element during feeding network control aerial array is each, so as to produce the narrow beam of high-gain.
- 3. the two-dimentional switched multi-beam smart antenna according to claim 1 for applying to unmanned plane, it is characterised in that described Aerial array includes M × N number of bay, and institute overlay area above antenna assembly is divided into phase by the M × N number of bay The M answered × N number of subdomain, the wave beam of each subdomain are controlled by corresponding bay.
- 4. the two-dimentional switched multi-beam smart antenna according to claim 3 for applying to unmanned plane, it is characterised in that described Feeding network is divided into the first feeding network and the second feeding network；The single pole multiple throw array is divided into the first hilted broadsword and thrown out more Close array and the second single pole multiple throw array；The first single pole multiple throw array includes N number of hilted broadsword M throw switches, described Distributing point of the moved end of hilted broadsword M throw switches respectively with the first feeding network is connected, the not moved ends of the hilted broadsword M throw switches respectively with Second feeding network connects；The distributing point of second feeding network connects the second single pole multiple throw array, and described second is single Knife multithrow switch array includes a hilted broadsword N throw switch, the motionless termination antenna port of the hilted broadsword N throw switches.
- 5. the two-dimentional switched multi-beam smart antenna according to claim 4 for applying to unmanned plane, it is characterised in that described Feeding network is the feeding network using butler matrixes or Rotman lens.
- 6. the two-dimentional switched multi-beam smart antenna according to claim 4 for applying to unmanned plane, it is characterised in that described Switch in second single pole multiple throw array is radio frequency single pole multiple throw.
- 7. the two-dimentional switched multi-beam smart antenna according to claim 1 for applying to unmanned plane, it is characterised in that described The gain of aerial array is more than or equal to 6dBi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853194.9U CN206922018U (en) | 2017-07-14 | 2017-07-14 | Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853194.9U CN206922018U (en) | 2017-07-14 | 2017-07-14 | Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane |
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| Publication Number | Publication Date |
|---|---|
| CN206922018U true CN206922018U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720853194.9U Expired - Fee Related CN206922018U (en) | 2017-07-14 | 2017-07-14 | Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230837A (en) * | 2017-07-14 | 2017-10-03 | 深圳市中天迅通信技术股份有限公司 | Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane |
| CN109343403A (en) * | 2018-10-25 | 2019-02-15 | 南通先进通信技术研究院有限公司 | A kind of analog beam scheduling controlling platform |
-
2017
- 2017-07-14 CN CN201720853194.9U patent/CN206922018U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230837A (en) * | 2017-07-14 | 2017-10-03 | 深圳市中天迅通信技术股份有限公司 | Apply to the two-dimentional switched multi-beam smart antenna of unmanned plane |
| CN107230837B (en) * | 2017-07-14 | 2023-12-05 | 深圳市中天迅通信技术股份有限公司 | Two-dimensional switching multi-beam intelligent antenna applied to unmanned aerial vehicle |
| CN109343403A (en) * | 2018-10-25 | 2019-02-15 | 南通先进通信技术研究院有限公司 | A kind of analog beam scheduling controlling platform |
| CN109343403B (en) * | 2018-10-25 | 2022-02-08 | 南通先进通信技术研究院有限公司 | Analog beam scheduling control platform |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20200714 |