CN206498392U - Track communication base station antenna system - Google Patents
Track communication base station antenna system Download PDFInfo
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- CN206498392U CN206498392U CN201720230329.6U CN201720230329U CN206498392U CN 206498392 U CN206498392 U CN 206498392U CN 201720230329 U CN201720230329 U CN 201720230329U CN 206498392 U CN206498392 U CN 206498392U
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Abstract
Communication base station antenna system is tracked the utility model discloses one kind, including constitutes the two or more fan antenna of azimuth plane omnidirectional angle；The detecting signal unit for receiving signal to obtain each fan antenna and detecting mass optimum signal is connected with each fan antenna respectively；The switch element of link with multichannel alternative connection, including common radio-frequency port and multiple not common prevention at radio-frequency port, common radio-frequency port optionally is connected to form multichannel link with a not common prevention at radio-frequency port, link is identical with fan antenna quantity, and common radio-frequency port is connected with radio-frequency receiving-transmitting port, each not common prevention at radio-frequency port is connected with a fan antenna respectively；The control terminal of the link between the corresponding fan antenna of the optimal signal of quality and radio-frequency receiving-transmitting port is connected with controlling switch Unit selection with detecting signal unit and switch element connection.Antenna radiation pattern can be made to be directed at unmanned plane, communication signal quality is ensured, in the absence of mechanical rotation structure, there is omni-directional high-gain and broadband.
Description
Technical field
The utility model is related to wireless communication technology field, more particularly to a kind of tracking communication base station antenna system.
Background technology
Unmanned plane figure is passed and remote control is a kind of radiotechnics of information transfer.Passed in figure with remote control system, distance is got over
Far, signal is weaker, constrains the transmission range of radio communications system.Raising figure is passed and the current conventional method of remote control distance is to add
Power amplifier, LNA and raising antenna gain, antenna is as the basic element of character of radio system, and it is radiation and receives radio wave
There is provided means, its performance is good and bad, directly affects signal transmitting and the effect received, has pole to improving UAV Communication distance
Its important effect.
The antenna early structure at present consumer level unmanned aerial vehicle end is the dipole structure of copper pipe type, afterwards with frequency
Rate, polarization are required and use requirement, are coordinated different feed-in modes and are derived various different designs structures, such as flat board is micro-
Band antenna.
But there are many deficiencies in current methods used：One be earth station's remote control omnidirectional antenna gain it is inadequate
Height, generally 2dBi；Another is that terrestrial communication device uses gain directional antenna, while using servo tracking antenna skill
Art, this technology beam scanning speed is limited by the machinery inertial rotated, and whole antenna system is unable to rapid alignment unmanned plane institute
Prescription position, antenna technology is complicated, there is mechanical rotation structure, and equipment failure rate is high, and cost is higher.
Utility model content
The utility model provides a kind of tracking communication base station antenna system to solve above-mentioned technical problem, can make antenna side
To remote control equipments such as figure alignment unmanned planes, communication signal quality is ensured, the covering of orientation fan antenna omnidirectional is realized, antenna is intelligent
Degree is high, and structure is novel, and in the absence of mechanical rotation structure, equipment failure rate is low, has the advantages that omni-directional high-gain and broadband,
It is particularly suitable for MIMO and COFDM wireless communication systems.
In order to solve the above technical problems, the utility model provides a kind of tracking communication base station antenna system, including：Combine structure
The two or more fan antenna of omnidirectional's angle on into azimuth plane；Obtained respectively with each fan antenna electrical connection, for synchronous
Each fan antenna received signal and the detecting signal unit for detecting the first optimal signal of mass；Can quilt with multichannel
The first switch unit of first link of selectivity connection, the first switch unit includes a common radio-frequency port and multiple
Not common prevention at radio-frequency port, the common radio-frequency port is optionally electrically connected to form many with any not common prevention at radio-frequency port
First link described in road, the quantity of first link is identical with the quantity of the fan antenna, the first switch unit
Common radio-frequency port with PERCOM peripheral communication machine radio-frequency receiving-transmitting port for electrically connecting, each not common prevention at radio-frequency port described in one respectively with fanning
Area's antenna electrical connection；And electrically connect respectively with the detecting signal unit and the first switch unit, it is described for controlling
The fan antenna corresponding to the first optimal signal of quality is connected to penetrate with PERCOM peripheral communication machine first switch Unit selection
The control terminal of first link between frequency transmitting-receiving port.
Further, the base station antenna system include it is identical with the fan antenna quantity, with direct-through line and coupling
The input of direct-through line is electric with fan antenna described in one respectively in first directional coupler of line, each first directional coupler
Connection, output end are electrically connected with a not common prevention at radio-frequency port of the first switch unit respectively, each first directional couple
A coupled end of coupling line respectively electrically connects the detecting signal unit in device.
Further, the base station antenna system includes the polarization total quantity identical Bart with all fan antennas
Matrix feed network, second switch unit are strangled, each butler matrix feeding network includes n output port and n input
Port, n is identical with the quantity of antenna element in the fan antenna, and n is greater than the even number equal to 2；Each Butler square
Battle array feeding network correspondence is connected with the radio frequency outlet of a polarised direction in a fan antenna, wherein, the fan antenna
Radio frequency outlet of the middle antenna element in same polarised direction is respectively connecting to the different defeated of the butler matrix feeding network
Inbound port；The second switch unit has the second link that multichannel can be connected selectively, the quantity of second link with
The quantity of the butler matrix feeding network input port is identical, and the second switch unit includes a common radio-frequency port
With multiple not common prevention at radio-frequency port, the common radio-frequency port of the second switch unit is optionally penetrated with its any not common
Frequency port is electrically connected to form the second link described in multichannel, common radio-frequency port and the first switch of the second switch unit
The not common prevention at radio-frequency port electrical connection of unit, the second switch unit remaining not common prevention at radio-frequency port respectively with the bar
Each output port electrical connection of Teller matrix feed network；Each output port of the butler matrix feeding network connects respectively
Enter the detecting signal unit, the detecting signal unit synchronously obtains each input port of the butler matrix feeding network
Received signal simultaneously detects the optimal secondary signal of mass；The second switch is electrically connected with the control terminal, to control
Connect the butler matrix feeding network corresponding to the optimal secondary signal of quality the second switch Unit selection
Output port and first switch unit a not common prevention at radio-frequency port between second link.
Further, the base station antenna system includes and the butler matrix feeding network output port quantity phase
The input point of direct-through line in same, the second directional coupler with direct-through line and coupling line, each second directional coupler
Do not electrically connected with an output port of the butler matrix feeding network, output end respectively with the second switch unit one
Not common prevention at radio-frequency port is electrically connected, and a coupled end of coupling line is respectively electrically connected to signal in each second directional coupler
Detection unit.
Further, the radio frequency outlet of each antenna element connects a T/R components and then structure respectively in each fan antenna
Into active phase array antenna form, each T/R components are respectively connecting to same ripple control unit and same power distributing network, institute
State power distributing network public output mouthful and first switch unit is further connected to by the direct-through line of the 3rd directional coupler
A not common prevention at radio-frequency port, the detecting signal unit is connected to by coupling line.
Further, the antenna element in the fan antenna is single-polarized antenna or dual polarized antenna；Each fan
The group formation formula of antenna element in area's antenna can be one-dimensional array or two-dimensional array.
Further, the quantity of the fan antenna is m, and m >=2, each fan antenna is covered on azimuth plane
Angle be 360 °/m.
Bilateral amplifying circuit is set between the first switch unit and PERCOM peripheral communication machine radio-frequency receiving-transmitting port, it is described two-way
Amplifying circuit includes the first single-pole double-throw switch (SPDT), the second single-pole double-throw switch (SPDT), power amplifier, attenuator, bandpass filter, low
Noise amplifier, power detecting unit, transmitting-receiving control unit and power control unit；First single-pole double-throw switch (SPDT) it is dynamic
End is electrically connected with the common radio-frequency port of the first switch unit, and the moved end of second single-pole double-throw switch (SPDT) is used for and outside
Communication equipment radio-frequency receiving-transmitting port is electrically connected；The not moved end of the first of the input of the attenuator and second single-pole double-throw switch (SPDT)
Electrical connection, output end are electrically connected with the input of the power amplifier, the output end of the power amplifier and described first
Moved end is not electrically connected the first of single-pole double-throw switch (SPDT)；The input of the bandpass filter and first single-pole double-throw switch (SPDT)
Second not moved end electrical connection, output end electrically connected with the input of the low-noise amplifier, the low-noise amplifier it is defeated
Go out end with the second of second single-pole double-throw switch (SPDT) not moved end electrically connect；The transmitting-receiving control unit is electrically connected the control
Terminal processed and first single-pole double-throw switch (SPDT) and second single-pole double-throw switch (SPDT)；The power detecting unit is electrically connected respectively
Connect the power control unit, the control terminal and PERCOM peripheral communication machine radio-frequency receiving-transmitting port；The power control unit and institute
State attenuator electrical connection.Further, the detecting signal unit is sensitive according to link speed, signal intensity, the bit error rate, reception
One or more of degree and packet loss index are detected to the quality of signal.
Further, the working frequency range of the fan antenna be 2.4GHz or 5.8GHz or 433MHz or 1.2GHz or
900MHz；Or it is applied to the legal frequency range of unmanned plane in 840.5-845MHz, 1430-1444MHz and 2408-2440MHz.
Tracking communication base station antenna system of the present utility model, has the advantages that：
By setting signal detection unit to detect the fan antenna corresponding to the optimal signal of mass, and pass through control
The fan antenna is connected with PERCOM peripheral communication machine radio-frequency receiving-transmitting port terminal control first switch Unit selection, and then can
Antenna radiation pattern is directed at the remote control equipments such as unmanned plane, ensure communication signal quality, realize the covering of orientation fan antenna omnidirectional, day
Line intelligence degree is high, and structure is novel, and in the absence of mechanical rotation structure, equipment failure rate is low, with omni-directional high-gain and width
The advantage of band, is particularly suitable for MIMO and COFDM wireless communication systems.
Brief description of the drawings
Fig. 1 is the electrical block diagram that the utility model tracking communication base station aerial system unifies embodiment.
Fig. 2 is the assembly structure diagram of fan antenna in tracking communication base station antenna system shown in Fig. 1.
Fig. 3 is the covering schematic diagram of azimuth plane directional diagrams when fan antenna shown in Fig. 2 is three secondary.
Fig. 4 be the utility model tracking communication base station antenna system in fan antenna use dual polarized antenna form when fan
The electrical block diagram that area's antenna is attached with first switch unit.
Fig. 5 is that the fan antenna internal circuit configuration of the utility model tracking another embodiment of communication base station antenna system shows
It is intended to.
Fig. 6 is that the fan antenna internal circuit configuration of the utility model tracking communication base station antenna system another embodiment shows
It is intended to.
Embodiment
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
The utility model provides a kind of tracking communication base station antenna system.As shown in figure 1, the tracking communication base station aerial system
System includes：
Two or more fan antenna 1, whole combinations of fan antenna 1 constitute omnidirectional's angle on azimuth plane, i.e., on azimuth plane
Cover 360 ° of spatial dimensions.Wherein, the quantity of fan antenna 1 be m, m >=2, what each fan antenna 1 was covered on azimuth plane
Angle is 360 °/m.For example, when the quantity of fan antenna 1 is 2 or 3 or 4, each fan antenna 1 is covered on azimuth plane
The angle of lid is respectively 180 ° or 120 ° or 90 °.The utility model is mainly illustrated using the quantity of fan antenna 1 as 3.
Detecting signal unit 2, it is electrically connected with each fan antenna 1 respectively, is received for synchronous each fan antenna 1 of acquisition
Signal simultaneously detects the first optimal signal of mass.Wherein, detecting signal unit 2 mainly can according to link speed, signal intensity,
One or more of the bit error rate, receiving sensitivity and packet loss index is detected to the quality of signal.Examined from easy angle
Worry is set out, and can be that index is detected to the quality of signal only from signal intensity.
First switch unit 3, it has the first link that multichannel can be connected selectively.Wherein, first switch unit 3 is wrapped
A common radio-frequency port and multiple not common prevention at radio-frequency port are included, the common radio-frequency port of the first switch unit 3 is alternative
Ground is electrically connected to form the above-mentioned link of multichannel first with any not common prevention at radio-frequency port.Further, the quantity of first link
Identical with the quantity of fan antenna 1, the common radio-frequency port of the first switch unit 3 is used for and PERCOM peripheral communication machine radio-frequency receiving-transmitting end
Mouth 100（For example, it may be the radio-frequency receiving-transmitting port of the communication equipment such as router, communication equipment, remote control, figure passes receiver）It is electrically connected
Connect, each not common prevention at radio-frequency port is electrically connected with a fan antenna 1 respectively.Wherein, the generally optional hilted broadsword of the first switch unit 3
Multithrow switch, it is selected with specific reference to the quantity of fan antenna 1, when such as the quantity of fan antenna 1 is 3, selects SP3T
Switch is used as the first switch unit 3.
And control terminal 4, citing can be using MCU, and it is electrically connected with detecting signal unit 2 and first switch unit 3 respectively
Connect, for controlling first switch unit 3 to selectively communicate with fan antenna 1 and outside corresponding to the first optimal signal of quality
The first link between communication equipment radio-frequency receiving-transmitting port 100.And then selection of the completion to fan antenna 1, the sector selected day
The quality of the receiving and transmitting signal of line 1 is optimal, be adapted to unmanned plane, drone, telecar tracking.
In this embodiment, tracking communication base station antenna system include it is identical with the quantity of fan antenna 1, with direct-through line and
The input of direct-through line is electric with a fan antenna 1 respectively in first directional coupler 5 of coupling line, each first directional coupler 5
Connection, output end are electrically connected with a not common prevention at radio-frequency port of first switch unit 3 respectively（It is connected to wherein one first chain
Road）, a coupled end of coupling line respectively electrically connects detecting signal unit 2 in each first directional coupler 5, and then passes through coupling
Mode signal is passed into detecting signal unit 2.
It is highly preferred that be the first optimal signal of detection mass, can be in each first directional coupler 5 and signal detection
Low-noise amplifier is sequentially connected in series between unit 2（LNA）6th, down-converter unit 7, wave detector 8 and operational amplifier 9, by right
Received signal carries out pretreatment and is easy to detecting signal unit 2 preferably to detect the first optimal signal of mass, makes follow-up
Most suitable fan antenna 1 can be selected.
Tracking communication base station antenna system of the present utility model, has the advantages that：Detect single by setting signal
Member 2 controls first switch unit 3 to select to detect the fan antenna 1 corresponding to the optimal signal of mass by control terminal 4
Selecting property the fan antenna 1 is connected with PERCOM peripheral communication machine radio-frequency receiving-transmitting port 100, and then antenna radiation pattern can be made to be directed at nothing
It is man-machine to wait remote control equipment, communication signal quality is ensured, the covering of orientation fan antenna 1 omnidirectional is realized, antenna intelligence degree is high, knot
Structure is novel, and in the absence of mechanical rotation structure, equipment failure rate is low, has the advantages that omni-directional high-gain and broadband, is particularly suitable for
Applied to MIMO and COFDM wireless communication systems.
As shown in Figures 2 and 3, fan antenna 1 is often supported solid via the support 102 stood up in back-to-back form
It is fixed.When such as the quantity of fan antenna 1 is 3, fixation is supported to each fan antenna 1 frequently with A-frame.Fig. 3 is to use
The covering schematic diagram of azimuth plane directional diagram during three secondary fan antennas 1.
Fan antenna 1 is using its circuit structure being attached with first switch unit 3 signal during single-polarized antenna form
Figure can be as shown in Figure 1.And fan antenna 1 is using the circuit that it is attached with first switch unit 3 during dual polarized antenna form
Structural representation can as shown in Figure 4, in Fig. 4, and fan antenna 1 includes three secondary fan antenna A, B, C, three secondary fan antenna A, B,
C respectively has two polarised radiofrequency ports, is A-V polarised radiofrequencies port and A-H polarised radiofrequencies port, B-V polarised radiofrequencies port respectively
With B-H polarised radiofrequencies port, C-V polarised radiofrequencies port and C-H polarised radiofrequencies port, tracking communication base station antenna system is built into
When, fan antenna A-V polarised radiofrequencies port can be connected to RFin-A-V polarised radiofrequencies port with such as coaxial line, by sector day
Line A-H polarised radiofrequencies port is connected to RFin-A-H polarised radiofrequencies port, and fan antenna B-V polarised radiofrequencies port is connected to
RFin-B-V polarised radiofrequencies port, is connected to RFin-B-H polarised radiofrequencies port by fan antenna B-H polarised radiofrequencies port, will fan
Area antenna C-V polarised radiofrequencies port is connected to RFin-C-V polarised radiofrequencies port, and fan antenna C-H polarised radiofrequencies port is connected
To RFin-C-H polarised radiofrequencies port, it is connected to as radio frequency output port RFout-V and RFout-H common radio-frequency port
PERCOM peripheral communication machine radio-frequency receiving-transmitting port 100（Such as unmanned controller or figure pass the antenna port of transceiver）.During work, if fan
Area antenna A signal quality is optimal, then RFin-A-V polarised radiofrequencies port is connected with RFout-V polarised radiofrequencies port, and RFin-
A-H polarised radiofrequencies port is connected with RFout-H polarised radiofrequencies port；When fan antenna B, C signal quality are optimal, similarly may be used
With reference to fan antenna A connected mode.
In actual use, when being such as tracked to unmanned plane, only select that out suitable fan antenna 1 many times also not
It is enough, at this point it is possible to further be swept to the pitching face progress electricity of fan antenna 1, nobody is directed at the wave beam for realizing automatically controlled pitching face
The direction of machine.Specifically, can be realized from following two embodiments.
<First embodiment>
Butler matrix feeding network 19 is set.As shown in figure 5, specifically：
Set identical with the polarization total quantity identical butler matrix feeding network 19 and correspondence of whole fan antennas 1
The second switch unit 20 of quantity.By each fan antenna 1 using premised on identical structure, n day is set in each fan antenna 1
Line unit, then using n × n butler matrixs feeding network 19, i.e., the butler matrix feeding network 19 includes n output respectively
Port and n input port, n often take the even number more than or equal to 2.For example, can be n=8, accordingly, using 8 × 8 Butler squares
Explanation exemplified by battle array feeding network 19.
The radio frequency outlet of each correspondence of butler matrix feeding network 19 and a polarised direction in a fan antenna 1 connects
Connect, wherein, radio frequency outlet of the antenna element in same polarised direction is respectively connecting to butler matrix feed in fan antenna 1
The different input ports of network 19.As when antenna element is single-polarized antenna in fan antenna 1, each 1 pair of fan antenna is applied
One butler matrix feeding network 19；As when antenna element is dual polarized antenna in fan antenna 1, more such as include vertical
Polarization and two kinds of polarised directions of horizontal polarization（It can certainly justify for+45 ° of polarization and -45 ° of polarization, left-hand circular polarization and dextrorotation
Polarize two kinds of polarised directions）, 19 pairs of butler matrix feeding network is applied to the vertical of antenna element in the fan antenna 1
Polarization, 19 pairs of another butler matrix feeding network is applied to the horizontal polarization of antenna element in the fan antenna 1.
Second switch unit 20 has the second link that multichannel can be connected selectively, the quantity and Butler of the second link
The quantity of the input port of matrix feed network 19 is identical.The second switch unit 20 includes a common radio-frequency port and multiple non-
Common radio-frequency port, the common radio-frequency port of second switch unit 20 is optionally electrically connected with its any not common prevention at radio-frequency port
Connect to form multichannel second link.Wherein, the one of the common radio-frequency port of the second switch unit 20 and first switch unit 3 is non-
The electrical connection of common radio-frequency port, second switch unit 20 remaining not common prevention at radio-frequency port respectively with butler matrix feeding network
19 each output port electrical connection.
Its operation principle is：Butler matrix feeding network 19 is made up of directional coupler and phase shifter, when from one
During input port input energy, the outgoing wave of constant amplitude can be accessed in n output port, while meeting between adjacent wave beam
There is identical phase delay or advanced, and then can just change the beam position of whole aerial array, produce one and deviate from normal direction
Wave beam., can be in this difference of n output port newly when input port is changed, this makes it possible to form one not
Equidirectional beam position, so changing input port with regard to that can obtain a new wave beam, due to Microwave Net reciprocity, also may be used
So to think, each incident pattern beam, corresponding input port will motivate stronger microwave signal output.Reason
By upper, nN butler matrixs feeding network 19 can produce the wave beam of n different directions, actual for example here according to engineering
It can only need to produce 50 ° of pitch orientation figures sensings,20 °,40 ° of dual polarization wave beam.
Further, each output port of butler matrix feeding network 19 is respectively connected to detecting signal unit 2, signal inspection
Survey the synchronous each output port received signal for obtaining butler matrix feeding network 19 of unit 2 and detect mass it is optimal the
Binary signal.Preferably, tracking communication base station antenna system include it is identical with the input port quantity of butler matrix feeding network 19,
In the second directional coupler with direct-through line and coupling line, each second directional coupler the input of direct-through line respectively with Bart
Strangle output port electrical connection, the not common radio-frequency head of output end respectively with second switch unit 20 of matrix feed network 19
A coupled end of coupling line is respectively electrically connected to detecting signal unit 2 in mouth electrical connection, each second directional coupler.
Second switch unit 20 is electrically connected with control terminal 4, to control second switch unit 20 to selectively communicate with quality
The output port of butler matrix feeding network 19 corresponding to optimal secondary signal and a not common of first switch unit 3
The second link between prevention at radio-frequency port.After best sector antenna 1 is selected, optimal beam direction is further selected,
The wave beam that automatically controlled pitching face is better achieved is directed at the direction of unmanned plane.
<Second embodiment>
Antenna element 101 in fan antenna 1 is set to active phase array antenna form.As shown in fig. 6, specifically：
The prevention at radio-frequency port of each antenna element 101 in each fan antenna 1 is connected into a T/R components 21 respectively, and by each T/R
Component 21 is respectively connecting to same ripple control unit 22（Citing can use MCU）And same power distributing network 23, power point
Distribution network 23 generally carries out constant power distribution, the power distributing network according to the quantity of antenna element 101 in same fan antenna 1
23 output common radio-frequency port is connected to the one of first switch unit 3 further across the direct-through line of the 3rd directional coupler 24
Not common prevention at radio-frequency port is simultaneously connected to detecting signal unit 2 by coupling line.Wherein, the outlet of antenna element 101 is electrically connected to T/
Contain active circuit in the antenna port of R components 21, each passage of antenna element 101 of such aerial array, to transmitting-receiving
For the phased array antenna of unification, equivalent to one tuner of each T/R component（Can with existing emission power amplifier,
There are a variety of functional circuits such as low-noise amplifier, Beam steering circuit again）.
Its operation principle is：Each antenna element of T/R components 21 under the control of ripple control unit 22 to aerial array
101 enter line amplitude and phase configuration, theoretical according to phased array antenna, have identical phase to prolong between adjacent antenna element 101
It is late or advanced, it can just change the beam position of whole aerial array, produce a wave beam that deviate from normal direction.Change antenna element
Equal difference phase value between 101, it becomes possible to form the shifting set in the beam position of a different directions, usual T/R components 21
Phase device is usually digital, it is achieved that the beam position angle of deviation normal direction have a minimum discrete beam jerk,
Antenna can only realize being accurately directed to for wave beam on discrete location, but not influence antenna system to work.In real work, T/R
Component 21 matches somebody with somebody phase to aerial array, and a certain moment only realizes one in the wave beam of n different directions, real here according to engineering
Border citing can only produce 21 pitch orientation figures and point to 0 °,4 °,8 °,12 °,16 °,20 °,24 °,28 °,
32 °,36 °,40 ° of quadrature dualpolarized wave beam, fan antenna 1 constantly carries out fast electric in pitching face and swept, when alignment aircraft
Direction or detecting signal unit 2 detect that the signal intensity received is more than threshold value just fixed beam position this moment, realize
Fan antenna 1 is tracked communication in pitching in face of unmanned plane.
, can be between first switch unit 3 and PERCOM peripheral communication machine radio-frequency receiving-transmitting port 100 in a better embodiment
Bilateral amplifying circuit is set.Wherein, bilateral amplifying circuit include the first single-pole double-throw switch (SPDT) 14, the second single-pole double-throw switch (SPDT) 15,
Power amplifier 11, attenuator 10, bandpass filter（BPF）12nd, low-noise amplifier 13, power detecting unit 17, transmitting-receiving control
Unit 18 and power control unit 16 processed.
Wherein, the moved end of the first single-pole double-throw switch (SPDT) 14 is electrically connected with the common radio-frequency port of first switch unit 3, and second
The moved end of single-pole double-throw switch (SPDT) 15 is used to electrically connect with PERCOM peripheral communication machine radio-frequency receiving-transmitting port 100.The input of attenuator 10 with
Moved end electrical connection, output end are not electrically connected the first of second single-pole double-throw switch (SPDT) 15 with the input of power amplifier 11, power
Moved end is not electrically connected the first of the output end of amplifier 11 and the first single-pole double-throw switch (SPDT) 14, wherein, the first single-pole double-throw switch (SPDT)
14th, bandpass filter 12, the connection of the single-pole double-throw switch (SPDT) 15 of low-noise amplifier 13 and second constitute signal receiving channel；Band logical is filtered
The second of the input of ripple device 12 and the first single-pole double-throw switch (SPDT) 14 not moved end electrically connect, output end and low-noise amplifier 13
Input is electrically connected, the output end of low-noise amplifier 13 and the second single-pole double-throw switch (SPDT) 15 second not moved end electrically connect, its
In, the second single-pole double-throw switch (SPDT) 15, attenuator 10, the connection of the single-pole double-throw switch (SPDT) 14 of power amplifier 11 and first constitute signal hair
Penetrate passage；Transmitting-receiving control unit 18 is electrically connected control terminal 4, the first single-pole double-throw switch (SPDT) 14 and the second single-pole double-throw switch (SPDT)
15 control end；Power detecting unit 17 is electrically connected power control unit 16, control terminal 4 and PERCOM peripheral communication machine radio frequency and received
Originator mouth 100；Power control unit 16 is further electrically connected with attenuator 10.
The operation principle of the bilateral amplifying circuit is：When communication equipment radio-frequency receiving-transmitting port, citing such as AP is in reception state
When, power detecting unit 17 can't detect the signal for coming from AP, make two transmit-receive switches by transmitting-receiving control unit 18（I.e.
First, the second single-pole double-throw switch (SPDT) 14,15）Rx grades, i.e. reception state are in, is consistent with AP working method, now, work(
Rate amplifier（PA）11 are closed, the normal work of low-noise amplifier 13；When AP is in emission state, power detection
Unit 17 detects the signal for coming from AP by coupling, two transmit-receive switches is switched to transmitting by transmitting-receiving control unit 18
Tx grades, while opening power amplifier 11, close low-noise amplifier 13.In addition, power control unit 16 can be examined according to power
Survey the output level size of unit 17 to adjust the attenuation size of attenuator 10, power output is kept constant, and prevent hair
Penetrate power and reach saturation state.
In above-mentioned embodiment, the antenna element in fan antenna 1 is single-polarized antenna or dual polarized antenna（Such as Orthogonal Double
Poliarizing antenna or horizontal and vertical polarization or left-handed and right-handed circular polarization）；The group battle array of antenna element in each fan antenna 1
Form can be one-dimensional array or two-dimensional array.And the form of antenna element can be dipole antenna, microstrip antenna or spiral
Antenna etc..
In above-mentioned embodiment, the working frequency range of fan antenna 1 can be 2.4GHz or 5.8GHz（Suitable for WIFI）；Or
Person 433MHz, 900MHz, 1.2GHz（Suitable for ISM）；Or 840.5-845MHz, 1430-1444MHz, 2408-2440MHz
（Suitable for the legal frequency range of other unmanned planes）.
In one embodiment, tracking communication base station antenna system could be arranged to it is multiple, wherein it is adjacent two tracking communication
The distance between base station antenna system is to pass through fiber optic communication, microwave point between 3km~30km, tracking communication base station antenna system
To a communication or internet is connected to by network interface interconnected, the relay tracking of such as unmanned plane is communicated so as to realize.
Embodiment of the present utility model is these are only, the scope of the claims of the present utility model, every profit is not thereby limited
The equivalent structure or equivalent flow conversion made with the utility model specification and accompanying drawing content, or directly or indirectly it is used in it
The technical field of his correlation, is similarly included in scope of patent protection of the present utility model.
Claims (10)
1. one kind tracking communication base station antenna system, it is characterised in that including：
Combination constitutes the two or more fan antenna of omnidirectional's angle on azimuth plane；
With each fan antenna electrical connection, for synchronous each fan antenna received signal of acquisition and detect pledge respectively
The detecting signal unit of the first optimal signal of amount；
The first switch unit for the first link that can be selectively connected with multichannel, the first switch unit includes a public affairs
Prevention at radio-frequency port and multiple not common prevention at radio-frequency port altogether, the common radio-frequency port optionally with any not common radio frequency
Port is electrically connected to form the first link described in multichannel, and the quantity of first link is identical with the quantity of the fan antenna, institute
State first switch unit common radio-frequency port be used for electrically connected with PERCOM peripheral communication machine radio-frequency receiving-transmitting port, each not common radio-frequency head
Mouth is electrically connected with fan antenna described in one respectively；
And electrically connect respectively with the detecting signal unit and the first switch unit, for controlling the first switch list
Member selectively communicates with the fan antenna and PERCOM peripheral communication machine radio-frequency receiving-transmitting port corresponding to the first optimal signal of quality
Between first link control terminal.
2. tracking communication base station antenna system according to claim 1, it is characterised in that：
The base station antenna system includes the first orientation coupling identical with the fan antenna quantity, with direct-through line and coupling line
The input of direct-through line is electrically connected with fan antenna described in one respectively in clutch, each first directional coupler, output end is divided
Do not electrically connected with a not common prevention at radio-frequency port of the first switch unit, the one of coupling line in each first directional coupler
Coupled end respectively electrically connects the detecting signal unit.
3. tracking communication base station antenna system according to claim 1, it is characterised in that：
The base station antenna system includes the polarization total quantity identical butler matrix transmission network with all fan antennas
Network, second switch unit, each butler matrix feeding network include n output port and n input port, n with it is described
The quantity of antenna element is identical in fan antenna, and n is greater than the even number equal to 2；
The radio frequency outlet of each butler matrix feeding network correspondence and a polarised direction in a fan antenna connects
Connect, wherein, radio frequency outlet of the antenna element in same polarised direction is respectively connecting to the Butler in the fan antenna
The different input ports of matrix feed network；
The second switch unit has the second link that multichannel can be connected selectively, the quantity of second link with it is described
The quantity of butler matrix feeding network input port is identical, and the second switch unit includes a common radio-frequency port and many
Individual not common prevention at radio-frequency port, the common radio-frequency port of the second switch unit optionally with its any not common radio-frequency head
Mouth is electrically connected to form the second link described in multichannel, the common radio-frequency port of the second switch unit and the first switch unit
Not common prevention at radio-frequency port electrical connection, the second switch unit remaining not common prevention at radio-frequency port respectively with the Butler
Each output port electrical connection of matrix feed network；
Each output port of the butler matrix feeding network is respectively connected to the detecting signal unit, the signal detection list
First synchronous each input port received signal for obtaining the butler matrix feeding network simultaneously detects second of mass most preferably
Signal；
The second switch is electrically connected with the control terminal, to connect quality most with controlling the second switch Unit selection
The output port of the butler matrix feeding network corresponding to good secondary signal and a not common of first switch unit
Second link between prevention at radio-frequency port.
4. tracking communication base station antenna system according to claim 3, it is characterised in that：
The base station antenna system include it is identical with the butler matrix feeding network output port quantity, with direct-through line and
In second directional coupler of coupling line, each second directional coupler the input of direct-through line respectively with the Butler square
The output port electrical connection of battle array feeding network, the not common prevention at radio-frequency port electricity of output end respectively with the second switch unit
A coupled end of coupling line is respectively electrically connected to detecting signal unit in connection, each second directional coupler.
5. tracking communication base station antenna system according to claim 1, it is characterised in that：
The prevention at radio-frequency port of each antenna element connects a T/R components and then constitutes AESA day respectively in each fan antenna
Line form, each T/R components are respectively connecting to same ripple control unit and same power distributing network, the power distributing network
Output common radio-frequency port is connected to a not common of first switch unit further across the direct-through line of the 3rd directional coupler
Prevention at radio-frequency port, the detecting signal unit is connected to by coupling line.
6. tracking communication base station antenna system according to claim 1, it is characterised in that：
Antenna element in the fan antenna is single-polarized antenna or dual polarized antenna；
The group formation formula of antenna element in each fan antenna can be one-dimensional array or two-dimensional array.
7. tracking communication base station antenna system according to claim 1, it is characterised in that：
The quantity of the fan antenna is m, m >=2, the angle that each fan antenna is covered on azimuth plane for 360 °/
m。
8. tracking communication base station antenna system according to claim 1, it is characterised in that：
Bilateral amplifying circuit, the Bi-directional amplifier are set between the first switch unit and PERCOM peripheral communication machine radio-frequency receiving-transmitting port
Circuit includes the first single-pole double-throw switch (SPDT), the second single-pole double-throw switch (SPDT), power amplifier, attenuator, bandpass filter, low noise
Amplifier, power detecting unit, transmitting-receiving control unit and power control unit；
The moved end of first single-pole double-throw switch (SPDT) is electrically connected with the common radio-frequency port of the first switch unit, and described second
The moved end of single-pole double-throw switch (SPDT) is used to electrically connect with PERCOM peripheral communication machine radio-frequency receiving-transmitting port；
The first of the input of the attenuator and second single-pole double-throw switch (SPDT) not moved end electrically connect, output end and the work(
The input electrical connection of rate amplifier, the first of the output end of the power amplifier and first single-pole double-throw switch (SPDT) is motionless
End electrical connection；
The second of the input of the bandpass filter and first single-pole double-throw switch (SPDT) not moved end electrically connect, output end and institute
State the input electrical connection of low-noise amplifier, the output end of the low-noise amplifier and second single-pole double-throw switch (SPDT)
Second not moved end electrical connection；
The transmitting-receiving control unit is electrically connected the control terminal and first single-pole double-throw switch (SPDT) and second list
Double-pole double throw switch；
The power detecting unit is electrically connected the power control unit, the control terminal and PERCOM peripheral communication machine radio frequency and received
Originator mouth；
The power control unit is electrically connected with the attenuator.
9. tracking communication base station antenna system according to claim 1, it is characterised in that：
The detecting signal unit one in link speed, signal intensity, the bit error rate, receiving sensitivity and packet loss or
Multiple indexs are detected to the quality of signal.
10. tracking communication base station antenna system according to claim 1, it is characterised in that：
The working frequency range of the fan antenna is 2.4GHz or 5.8GHz or 433MHz or 1.2GHz or 900MHz；Or
It is applied to the legal frequency range of unmanned plane in 840.5-845MHz, 1430-1444MHz and 2408-2440MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720230329.6U CN206498392U (en) | 2017-03-08 | 2017-03-08 | Track communication base station antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720230329.6U CN206498392U (en) | 2017-03-08 | 2017-03-08 | Track communication base station antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206498392U true CN206498392U (en) | 2017-09-15 |
Family
ID=59807195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720230329.6U Expired - Fee Related CN206498392U (en) | 2017-03-08 | 2017-03-08 | Track communication base station antenna system |
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| Country | Link |
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| CN (1) | CN206498392U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574496A (en) * | 2017-03-08 | 2018-09-25 | 深圳市脉冲星通信科技有限公司 | Track communication base station antenna system |
| CN108598672A (en) * | 2018-03-05 | 2018-09-28 | 上海康斐信息技术有限公司 | Directional diagram reconstructable aerial, reconstructing method and wireless terminal device |
| CN108683942A (en) * | 2018-08-03 | 2018-10-19 | 成都睿博思科技有限公司 | A kind of UAV Video transmission reception device |
| CN111277314A (en) * | 2020-01-21 | 2020-06-12 | Oppo广东移动通信有限公司 | Antenna routing method and related device |
| CN111355508A (en) * | 2020-02-13 | 2020-06-30 | 芯朴科技(上海)有限公司 | Radio frequency circuit |
| CN112470548A (en) * | 2018-07-26 | 2021-03-09 | 高通股份有限公司 | Elevation-based mode switching for 5G-based over-the-air UEs |
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2017
- 2017-03-08 CN CN201720230329.6U patent/CN206498392U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574496A (en) * | 2017-03-08 | 2018-09-25 | 深圳市脉冲星通信科技有限公司 | Track communication base station antenna system |
| CN108598672A (en) * | 2018-03-05 | 2018-09-28 | 上海康斐信息技术有限公司 | Directional diagram reconstructable aerial, reconstructing method and wireless terminal device |
| CN112470548A (en) * | 2018-07-26 | 2021-03-09 | 高通股份有限公司 | Elevation-based mode switching for 5G-based over-the-air UEs |
| CN112470548B (en) * | 2018-07-26 | 2023-12-01 | 高通股份有限公司 | Elevation-based mode switching for 5G-based over-the-air UEs |
| CN108683942A (en) * | 2018-08-03 | 2018-10-19 | 成都睿博思科技有限公司 | A kind of UAV Video transmission reception device |
| CN108683942B (en) * | 2018-08-03 | 2024-01-30 | 成都睿博思科技有限公司 | Unmanned aerial vehicle video transmission receiving arrangement |
| CN111277314A (en) * | 2020-01-21 | 2020-06-12 | Oppo广东移动通信有限公司 | Antenna routing method and related device |
| CN111277314B (en) * | 2020-01-21 | 2023-12-19 | Oppo广东移动通信有限公司 | Antenna routing method and related device |
| CN111355508A (en) * | 2020-02-13 | 2020-06-30 | 芯朴科技(上海)有限公司 | Radio frequency circuit |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170915 Termination date: 20200308 |