CN2692852Y - Antenna device - Google Patents
Antenna device Download PDFInfo
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- CN2692852Y CN2692852Y CNU2003201006712U CN200320100671U CN2692852Y CN 2692852 Y CN2692852 Y CN 2692852Y CN U2003201006712 U CNU2003201006712 U CN U2003201006712U CN 200320100671 U CN200320100671 U CN 200320100671U CN 2692852 Y CN2692852 Y CN 2692852Y
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- Prior art keywords
- antenna assembly
- antenna
- phase
- radiator
- signal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/40—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses an improved antenna device, which is characterized in that the antenna device is provided with two antenna system (3. 1, 3. 2) comprising respectively at least one radiator (13, 13-1, 13-2) arranged in intersecting dislocation along the horizontal direction. At least two antenna systems (3. 1, 3. 2) radiate in at least one common polarization plane. The utility model is provided with an electric network (17), and a signal is sent to at least two antenna systems (3. 1, 3. 2)in the different corrective setting or the intensity or the amplitude regulated mutually, and in particular to the different phase by the electric network (17).
Description
Technical field
The present invention relates to a kind of antenna assembly.
Background technology
The mobile radio antenna that is in particular the base station setting generally includes the antenna assembly with a reflector, in the front of reflector many radiator elements is set biasing mutually vertically.Can also for example emission and acceptance in one or two orthogonal polarization.Wherein radiator element can only constitute in a frequency band in order to receive.But antenna assembly also can constitute multiband antenna, for example constitutes two frequency bands of biasing mutually in order to transmit and receive.So-called three frequency-band antennas also are known on principle.
Well-known mobile radio telephone constitutes modular, wherein has the base station of at least one mobile radio antenna that is used to transmit and receive accordingly for each configuration of cells one.Antenna here constitutes like this, that is, its generally one with respect to the angle of horizontal line regulation on the parts radiation of directed downwards, determined the cell size of a regulation whereby.This decline angle also is referred to as angle of declination as everyone knows.
Therefore advised a kind of phase shifter by WO 01/13459 A1, wherein had and a plurality ofly can differently adjust angle of declination continuously in the single-row antenna array of the folded radiator that is provided with mutually up and down one.This is adopted differential phase shifter (Differenz-phasenschieber) according to this previous open file, thereby its two outputs that are implemented in a corresponding phase shifter when different adjustment can be adjusted angle of descent degree whereby to different direction control lag time spans and adjustment phase difference.
In this case, the setting of phase shifter angle and adjusting can be carried out by hand or be undertaken by a remote-controlled servicing unit, are known according to DE 101 04 564 C1 for example as this.
When if so-called communication density changes or for example another base station that is used for antenna is near a unit, preferred remote-controlled decline that then can be by an angle of declination and unit dwindle the follow-up coupling of carrying out to altered situation.
But the change of such angle of declination is not unique or sufficient solution for whole situations.
Like this, the mobile radio antenna for example has a horizontal line chart that fixedly mixes up, and for example has one 45 °, 65 °, 90 ° etc. the half value width of cloth.Here the coupling to the specific situation of website is impossible, because can not realize that a follow-up line chart changes by along continuous straight runs.
But, also can obtain mobile radio base station antenna in principle by the intelligent algorithm in base station itself with changeable line chart.This requires for example to adopt so-called Butler (Butler) matrix (for example may command has the antenna array of a plurality of single radiators whereby, and each single radiator for example is provided with up and down with vertical shift stackedly) in four row.But such antenna assembly brings the base station on the one hand and the very big economically expense of the antenna supply lines aspect between antenna or the antenna element on the other hand, wherein to each row need one self current supply cable and in the antenna of the so-called antithesis polarization of+45 ° and-45 ° of polarization every row need the antenna cable of two high-qualitys with the X-shaped location.Need the very big algorithm circuit of expending of base station at last, thereby improve total cost once more.
The antenna assembly that has the possibility of the adjustment of the power division of the signal that can be defeated by each radiator and different phase place also is known by WO 02/05383 A1 basically.This antenna comprises a two-dimensional antenna battle array with a plurality of radiator elements and a power supply network.This power supply network comprises have a down dip a phase modulation apparatus and a bearing dependent phase modulation device, and the latter has a device of adjusting beam width (lobe width).Carry out corresponding different power division on each radiator element in order to change beam width, these radiator element along continuous straight runs are setovered mutually.Be provided with a phase shifter in order to adjust a different orientation radiation direction, so that correspondingly adjust radiation direction.
Summary of the invention
To this, the objective of the invention is, a kind of antenna assembly is provided and, can particularly realizes a line chart shaping in the horizontal direction about its method of operating, importantly can also be also can carry out the form that line chart changes afterwards.This can be achieved under situation about expending aspect required current supply cable seldom especially.
For this reason, the present invention proposes a kind of antenna assembly, has following feature:
-being provided with at least two antenna systems, it comprises at least one radiator respectively, they are provided with on along continuous straight runs intersecting dislocation ground at least,
The radiation in a common polarization plane at least of-described at least two antenna systems,
-be provided with an electrical network, borrow its can with a signal with can differently set up or also particularly be defeated by described at least two antenna systems with the intensity or the amplitude of relative adjustment mutually with different phase places, it is characterized in that also having following feature:
-described electrical network comprises a phase shifter or phase modulation apparatus, borrow it can be with identical intensity but on different each other phase assignments to two output signals with an input signal of being defeated by, and be provided with a hybrid circuit, borrow it can change output signal in the hybrid circuit output signal, it has a mutual relatively-stationary predetermined phase place and its amplitude differs from one another according to the different phase place in the phase modulation apparatus.
And the present invention proposes a kind of antenna assembly, has following feature:
-being provided with at least two antenna systems, it comprises at least one radiator respectively, they are provided with on along continuous straight runs intersecting dislocation ground at least,
The radiation in a common polarization plane at least of-described at least two antenna systems,
-be provided with an electrical network, borrow its can with a signal with can differently set up or also particularly be defeated by described at least two antenna systems with the intensity or the amplitude of relative adjustment mutually with different phase places, it is characterized in that also having following feature:
-described at least one electrical network constitutes like this, that is, and and the beam-shaping when generation one is different from the signal emission when signal receives.
That is to say, according to the solution of the present invention from such conception, promptly, antenna comprises at least two antenna systems, it has at least one antenna radiator respectively, i.e. each antenna element at least for example wherein now with total emitted energy or only be defeated by in the dual-antenna system or can differently adjust power division again now, reaches 50: 50 distribution on dual-antenna system up to power.According to the different share of intake and can change particularly line chart shaping in the horizontal direction and change for example 30 ° to 100 ° the half value width of cloth on the antenna.In addition, can change the phase place of signal by the phase shifter that is provided with, so that obtain specific line chart shaping.
If for example at least two antenna elements preferably are arranged on the common reflector side by side with horizontal-shift, that is radiation in a common polarization plane, then can adjust the horizontal line chart of antenna whereby.Have two row and a plurality of difference antenna array of the radiator element of folded mutually setting up and down if for example signal is defeated by one, then can reach different horizontal line charts according to intensity distribution and phase assignments this antenna array.
Beyond thought fully is to utilize antenna assembly of the present invention or utilize method of the present invention to operate such antenna assembly to produce for example asymmetric horizontal line chart, and also be like this when radiation area is observed even! Possible in addition is, produces horizontal line chart, though it is symmetrical, that is it is with respect to the setting of a plane symmetry of extending perpendicular to the reflector plane, but wherein is positioned at the transmitting only with less energy emission of this vertical symmetrical plane.Also might produce for example two, four s' of being symmetrical in this plane or the like main lobe thus, its with angle location left and radiation to the right and particularly be positioned at plane internal antenna device perpendicular to the reflector plane with obviously less energy emission in the centre, itself under normal circumstances is equivalent to the primary radiation plane this plane.
Equally, also can produce so horizontal line chart, it for example has the main lobe of odd number, and wherein is symmetrical in a plane setting perpendicular to the extension of reflector plane where necessary.The main lobe direction is preferably placed in vertical symmetrical plane or the plane perpendicular to the reflector plane in this case.Each at least another main lobe be in the left side, plane and the right perpendicular to the reflector plane.The minimum of intensity that exists in the middle of it can for example only stay less than 10db (decibel), particularly 6db with less than 3db.Therefore by means of antenna assembly of the present invention and operation thereof might be according to the rules the place in zone in face of characteristics another zone can be described as " decay " and with less intensity radiation this moment with higher emissive porwer radiation.This for example is matched to horizontal line chart when making this zone only be subjected to weaken eradiation greatly in residing zones such as school, kindergarten, then shows superiority.
In of the present invention one particularly preferred form of implementation, even regulation also, on the one hand for the emission situation and the different different line chart shaping that produces an antenna for reception condition with it.In other words, the horizontal line chart for emission situation and reception condition constitutes different.Thus by the horizontal line chart that is matched with environment of under the emission situation, considering best of the present invention, make facility in the sensitivity that radiation area exists as being in kindergarten, school and hospital etc. in a scope or the zone, the radiation of less intensity only is provided by the mobile radio antenna, but opposite, be designed so that in the global radiation scope of the corresponding mobile formula wireless aerial of a unit signal that can receive with the horizontal line chart of corresponding preferred design for the horizontal line chart of reception condition.
Preferably, pass through to adopt a phase shifter according to intensity distribution of the present invention and phase assignments, be the preferred differential phase shifter of at least one phase shifter (Differenzphasenschieber) and hybrid circuit of following particularly 90 ° of hybrid circuits realize.Consequently, for example to be distributed into the signal strength signal intensity that makes at two outputs on two outputs of differential phase shifter be identical to a signal predetermined strength of being defeated by a phase shifter, but phase place is different.If this two signal is defeated by two inputs of 90 ° of hybrid circuits then, then this output at hybrid circuit produces such result, and promptly phase place is identical once more now, but the intensity of signal or amplitude are different.The energy of being defeated by two phase shifters can be divided into for example 1: 0 to 1: 1 at least by the different phase place adjustment on phase shifter whereby.By another optional can after the phase shifter that the connects direction that can influence phase place in addition and change line chart.
In a word, utilization can realize following advantage according to system of the present invention:
-utilize antenna system of the present invention can produce the specific antenna line chart of website in front in the place;
-can change the antenna line chart at any time once more when needing, for example be exactly so when new electrical network figure is set, and needn't change antenna itself;
-can for example carry out the simple coupling of antenna line chart when starting by the remote control in base station.In this case need be at mast left-hand seat wage reform change of weather line, for example therefore the location of antenna reduces cost significantly;
-can in control device, realize the line chart that mixes up in advance easily by the fixing parameter that can be scheduled to;
-equally by the automatic control temporary transient different line chart (for example according to considering in advance) of also can harmonizing because the difference that exists in as the corresponding website that waits in the morning and at night of different time;
-in the servicing unit of system of the present invention, also can adopt base station in addition.This only must carry out the simple exchange of antenna on this base station;
-can realize different line charts for the emission situation with reception condition;
Less energy can be supplied with and other the higher energy of zone supply in-responsive especially zone;
-can produce asymmetric horizontal line chart;
-can produce the horizontal line chart of symmetry, it is folded so mutually with a plurality of main lobes, is promptly divided into by its energy distribution along the energy of first, second and for example the 3rd lobe of three different azimuth directions to be less than 50%, particularly to be less than 40%, 30% or also be less than 20% or even be 10% in horizontal line chart.
Description of drawings
Below illustrate in greater detail the present invention by means of accompanying drawing.Wherein:
Fig. 1: the schematic diagram of antenna assembly of the present invention, comprise be used for horizontal line chart shaping before the electrical network that connects;
Fig. 2: the line chart that is used to illustrate the amplitude of two output signals on each output of phase shifter shown in Figure 1;
Fig. 3: the different phase place that is used for two output signals on two outputs of the phase shifter shown in the key diagram 1;
Fig. 4: the line chart that is used for the corresponding amplitude on two outputs of hybrid circuit of key diagram 1;
Fig. 5: the phase place that is used for the output signal on two outputs of hybrid circuit of key diagram 1;
Fig. 6: different horizontal line charts, it is accessible according to the device of the present invention of Fig. 1, comprises among Fig. 4 the phase shifter position with figure notation;
Fig. 7: other horizontal line chart, it is accessible according to the antenna assembly of the present invention of Fig. 1 for utilizing, and comprises among Fig. 4 the phase shifter position with alphabetic flag;
Fig. 8: one is different from the embodiment of Fig. 1, is included in phase modulation unit additional between hybrid circuit and the antenna array;
Fig. 9: the line chart that is used for the amplitude of two output signals on the output of hybrid circuit of key diagram 8;
Figure 10: the line chart that is used for the phase place of two output signals on the output of hybrid circuit of key diagram 8;
Figure 11: different horizontal line charts, it is accessible according to the device of the present invention of Fig. 8, comprises among Fig. 9 the phase shifter position with figure notation;
Figure 12: the embodiment that is different from Fig. 1 and Fig. 8 once more of the present invention;
Figure 13: be used for illustrating at line chart according to the amplitude of the input signal of embodiment on butler matrix of Figure 12;
Figure 14: the line chart that is used to illustrate the phase of input signals on butler matrix;
Figure 15: be used for illustrating line chart according to the output signal on the output of embodiment of Figure 12 at butler matrix;
Figure 16: be used for illustrating at line chart according to the phase place of the output signal of embodiment on hybrid circuit of Figure 12;
Figure 17: six horizontal line charts, it is accessible according to the antenna assembly of Figure 12, comprises among Figure 15 the phase shifter position with figure notation;
Figure 18: one is different from the embodiment that comprises a pair of phase shifter parts of Figure 12 once more;
Figure 19: how another embodiment can be implemented in order to explanation and to receive different beam-shaping in operation and the firing operation; And
Figure 20: three line charts in order to explanation for the beam-shaping of emission situation, reception condition and about a folded mutually figure in order to the difference of explanation for emission situation and reception condition.
Embodiment
With schematic diagram first embodiment is shown among Fig. 1.
Antenna assembly according to Fig. 1 comprises a reflector arrangement 1, and two antenna systems 3.1,3.2 are installed in its front.Antenna assembly comprises two row 5 in the embodiment shown, and promptly row 5.1 and row 5.2 wherein are respectively equipped with radiator 13-1 and 13-2.These radiators 13-1 and 13-2 comprise each 5 folded mutually up and down that be provided with and double radiators perpendicular positioning in the embodiment shown, but they are provided with identical height and horizontal spacing a with preliminary election in two row in the embodiment shown.Form an antenna assembly thus, it for example transmits and receives in a polarization plane with a frequency band.
Antenna assembly is in the embodiment shown via electrical network 17 power supplies, it comprises a hybrid circuit 19 in the embodiment shown, i.e. phase shifter or the phase modulation apparatus 21 that connects before one 90 ° of hybrid circuit 19a and actually, the latter also is made of a differential phase shifter 21a in the embodiment shown.
One signal PS
InFor example be defeated by electrical network input 23.If phase shifter is positioned at its neutral point midway, then at its two output 21 ' and 21 " go up signal PS
Out1And PS
Out2Occur with identical intensity with identical phase place.
The input 19 of two phase shifter outputs 21 ' with 21 " via lead 25 ' with 25 " and hybrid circuit 19 ' " link to each other with 19.Output 19 ' a and 19 of hybrid circuit 19 " a then with two antenna inputs 3.1 ' with 3.2 ' link to each other.
Wherein function and action principle are such, promptly, now signal can be defeated by dual-antenna system 3.1 and 3.2 with identical intensity or different intensity shares by the adjusting of phase shifter, be radiator 13-1 and 13-2, wherein under extreme case, gross energy only is defeated by the radiator in the row, otherwise another row open circuit fully.
If phase shifter 21 is positioned at its neutral output point, promptly the mid point shown in Fig. 1 is homophase at the nature of the signal on the output of phase shifter in identical intensity then, thereby the output signal H of homophase also occurs in identical intensity
Out1And H
Out2
If but now phase shifter 27 is for example regulated to one or other direction in the direction of arrows, then consequently, now different phase places appears but the output signal PS of identical intensity on the output of phase shifter
Out1And PS
Out2This produces such result by hybrid circuit 19 again, promptly at its output 19 ' a and 19 " thus a and the input 3.1 of antenna system ' with 3.2 ' on same phase appears once more but the signal of different amplitudes.In other words, one the different phase place adjustment on the phase shifter 21 be converted into dual-antenna system 3.1,3.2 two row inputs on different intensity distribution.
The possibility that provides is whereby illustrated in greater detail by means of all figure subsequently.
Fig. 2 illustrates for the different adjustment of phase shifter, and the relative intensity of two output signals on phase shifter distributes (being relative amplitude A) to keep identical for whole adjustment, i.e. PS
Out1And PS
Out2All the time be identical.This means, the supplying power for input end signal of phase shifter be assigned at 1: 1 two outputs 21 of phase shifter ' and 21 " on, but have different phase places according to the position of phase shifter 21.
But corresponding to the different positioning on phase shifter, signal PS
Out1And PS
Out2Phase place change according to the figure among Fig. 3.
This different phase place causes as it in the situation as shown in the Figure 4 and 5 at last at the output of hybrid circuit 19.If phase shifter be positioned at its neutral point midway (this time output signal occur with identical phase place), then the situation with digital 10 marks is reproduced among Fig. 4.Output signal on the hybrid circuit 19 occurs with identical phase place with identical intensity once more in other words.
If now phase shifter is outwards regulated from its neutral point midway, the output signal H on an output 19 ' a of hybrid circuit 19 for example then
Out1Intensity reduce, otherwise another output signal H on another output of hybrid circuit 19
Out2Increase.Strength Changes shown in Fig. 4 and distribution are positioned on the part of sine curve or cosine curve.Regulate by continuous continuation this moment, signal can be for example from the position of 10 marks through with the position of digital 7 marks, pass through position with digital 4 marks then and be adjusted to position with digital 1 mark, synchronous signal H always
Out2Has 0 value and at another output end signal H
Out1Value with maximum or 100%.The process of the position that always is adjusted to numeral 1 from numeral 10 position, guarantee all the time in this case, thereby in phase occur in output signal on the hybrid circuit and the input signal on antenna array.
Can for example realize the horizontal line chart that the antenna of reproduction among Fig. 6 .1,6.4,6.7 and 6.10 is adjusted by described step.The relative variation of the level width of cloth of line chart wherein only is shown in each figure.Any intermediate state is possible equally and just is not described in detail for simplicity by other adjustment possibility of phase shifter.
But can also further change the phase shifter adjustment now, promptly the adjusted value to the left side of line chart changes in Fig. 4, consequently, one 180 ° sudden change mutually (Fig. 5) takes place wherein.In other words, this moment, the output signal on the output of hybrid circuit 19 no longer was a homophase, but had 180 ° phase difference mutually.If now phase shifter is adjusted to position F, position D or position A, then produce adjusted value as reproducing among Fig. 7 .A, 7.D or the 7.F.Also show thus, just can realize being matched with the horizontal line chart shaping of regional situation by the changeability of height with simple method.
But this system can also provide the possibility of other change and adjustment.
By suitable antenna assembly among principle and the embodiment according to Fig. 1, it comprises a commeasurable electrical network 17 shown in Fig. 8.But electrical network 17 also comprises a phase-modulation element 31 in this case, its be arranged in the embodiment shown an output 19 ' a of hybrid circuit (hybrid coupler) 19 and the input 3.1 of the antenna system 3 that links to each other ' between.
Explanation by the foregoing description it is evident that, output signal H
Out1And H
Out2Basically be homophase or occur and can differently adjust signal strength signal intensity at last with 180 ° phase difference by the different adjustment of phase shifter.Also obtain such possibility now by circuit, promptly at the signal H that is defeated by two antenna array 5 according to Fig. 8
Out1And H
Out2Between can realize the relative phase difference that adds.Can for example produce a phase lag by this phase shifter phase-modulation element 31, the result is, for example according to the output signal H on the hybrid circuit (hybrid coupler) 19
Out1And H
Out2Corresponding figure can produce the horizontal line chart of (it is equivalent to figure according to Figure 4 and 5 by principle) according to Fig. 9 and 10, can produce according to different phase shifter adjustment in Figure 11 .1 to 11.6 as it, reproduces with numeral " 1 " to " 7 " in Fig. 9 as this.When being 90 ° in phase-modulation element 31, additional phase difference then can reach horizontal line chart according to Figure 11 .1 to 11.6.If in phase-modulation element 31,, then can realize another horizontal line chart shaping for phase difference another adjusted value of harmonizing.This phase-modulation element 31 can be made of a conductor under the simplest situation.
The antenna system that comprises four array antenna battle arrays 3 of another expansion is described by means of Figure 12 now.Also only adopt the horizontal line chart shaping of realization under the situation of an independent phase shifter 21 here, wherein appear at now output 21 ' and 21 " signal PS
Out1And PS
Out2Via after the branch road that connects or always put 35 ' or 35 " be divided into four signal H altogether
InThereby, be defeated by two first input end A, B with the power of identical phase place and corresponding same allocated and be defeated by two other inputs C and D with the corresponding identical phase place and the identical energy of corresponding distribution from the signal that another phase shifter output is brought in from the signal that phase shifter output is brought in.Four-input terminal A to D forms each input of a butler matrix in this embodiment, it constitutes by four hybrid circuits of former reason 19, that is in two levels that are provided with in succession, have two hybrid circuits respectively, wherein the input of the hybrid circuit that connects behind the output of each preposition hybrid circuit and the same column links to each other and the output of each another preposition hybrid circuit links to each other with the input of second hybrid circuit in second rearmounted grade.
Four output I, II, III and IV comprising the butler matrix of hybrid circuit link to each other with four corresponding inputs of antenna system 3 then, its lead in four row 5.1,5.2,5.3,5.4 radiator and to the power supply of these radiator elements.
In the embodiment shown in order to simplify also according to the radiation in a vertical polarization plane of whole radiator elements.
By the different adjustment of phase shifter 21, can be equivalent on each input of butler matrix, produce the signal H of homophase now according to the figure of Figure 14
InAAnd H
InBAnd two about phase place and its mutually different and the signal H of same homophase
InCAnd H
InDFour wherein whole signals have identical intensity, as this as shown in Figure 13.
According to the phase place adjustment, so thereby can be once more on output I to IV and row input, produce the signal H of overall homophase in corresponding antenna arrays
Out, its be homophase or have one 180 ° sudden change mutually, but have different intensity mutually once more, as this now by means of shown in Figure 15 and 16.
Now reproduce output signal H among Figure 15 for the different phase shifter adjustment between input signal HinA or HinB 90 ° to 180 °
OutBe signal H
Out1, H
Out2, H
Out3And H
Out4Different intensity distribution, thereby as it in abutting connection with four output I to IV of butler matrix and in abutting connection with the input of each antenna array.Reproduce the phase place of each signal among Figure 16.According to using the position of numeral " 1 to 6 " mark among Fig. 5, so can realize horizontal line chart according to Figure 17 .1 to 17.6.
Also draw thus, utilize the changeability of the height the most different horizontal line chart of can harmonizing, it can obtain four times coupling possibility.
Can also on different antenna input I to IV, provide an additional phase place to set up or phase adjusted among the in the end described embodiment, change or the line chart shaping so that can realize another line chart.
Figure 18 is depicted as another embodiment of line chart shaping, wherein be different from embodiment according to Figure 12, replace the differential phase shifter 21 of the same power division that the tool shown in Figure 12 connects and adopt more than one times of differential phase shifter 121, as it basically by known among WO 01/13495 A1.This phase shifter that is also referred to as two phase shifters 121 has four outputs, wherein can produce the different phase place that is different from second pair of output on first pair of output.This in addition many times of differential phase shifters also comprise the power division of an integration, as this also basically by known among the WO 01/13459.Therefore input signal that can corresponding differently adjustment mixing electrical network under the situation that adopts this many times of phase shifters by different power division and/or the different volume duration (Volumenl nge) by different phase differences.
Replace described many times of this phase shifters, also can adopt a plurality of single phase shifters, for example interconnect via a transmission device.For example can produce on request whereby 1: 2 or 1: 3 gearratio for example, thereby need only once adjust for the output at a plurality of phase shifters is created in this case originally different phase places.
Being connected between the input 13.1 to 13.4 of the output I to IV of another many different line charts by the exchange electrical network and antenna 3 obtains.
Below relate to Figure 19.Figure 19 describes another embodiment, wherein for example utilizes an antenna to produce two different line chart shapings for emission situation and reception condition.
In this embodiment, the electrical network 17 that is prepended to antenna 3 comprises a duplex filter 41, and its input 41a links to each other with the input 23 of electrical network.The duplex filter also has two output 41b and 41c, and it receives electrical network 43 (RX electrical network) via each lead and respectively and links to each other with an emission electrical network 45 (TX electrical network).Wherein can between the input 45C of the output 41C of duplex filter 41 and emission electrical network 45, an emission amplifier 46 be set.
In the embodiment shown, emission electrical network 45 has four outputs 45.1 to 45.4, and it links to each other with four inputs of a duplex filter 47.Another along separate routes duplex filter 47 link to each other with four inputs 43.1 to 43.4 that receive electrical network 43 via four outputs equally, wherein between the respective input 41b of the output 43a of reception electrical network 43 and duplex filter 41, be connected a reception amplifier 48 again.
Four antenna inputs 13.1 to 13.4 link to each other with I/O joint 47.1 to 47.4 via four leads.
Therefore can dock to bring drill to an end by such device and do to produce a different horizontal line chart with firing operation, as it as shown in Figure 20 .1 to 20.3.
Under emission situation (TX situation), for example produce the reduction of a power density with 0 ° of orientation angles (0 ° of direction).This be positioned at this direction near cause the raising of transmitting power because base station is accepted a more weak signal and accessible informing and be heightened transmitting power in that this direction is same when an identical reception line chart (RX line chart).
Yet this can be avoided it like this by described circuit of the present invention, promptly adopts for second line chart of accepting situation (being the RX situation), and it has the sensitivity of height.For example reproduce the horizontal line chart (TX figure) in the firing operation among Figure 20 .1, the transmitting power of the reduction when being included in 0 ° of orientation angles.Wherein produce a line chart figure with respect to 0 ° of plane symmetry, it has two main lobes, and it distributes to outside fix ground with respect to vertical midplane (=0 ° of orientation angles).For example reproduce among Figure 20 .2 and receive line chart.Shown in last Figure 20 .3 by Figure 20 .1 and 20.2 line charts that significantly stack mutually, draw thus, two line charts are folded mutually in principal direction, but adjust transmitting power lower when maintaining best received power on request in the critical zone shown in possible Figure 20 .1.
Claims (22)
1. antenna assembly,
-being provided with at least two antenna systems (3.1,3.2), it comprises at least one radiator (13 respectively; 13-1,13-2), they are provided with on along continuous straight runs intersecting dislocation ground at least,
The radiation in a common polarization plane at least of-described at least two antenna systems (3.1,3.2),
-be provided with an electrical network (17), borrow its can with a signal with can differently set up or also particularly be defeated by described at least two antenna systems (3.1,3.2) with the intensity or the amplitude of relative adjustment mutually with different phase places, it is characterized in that:
-described electrical network (17) comprises a phase shifter or phase modulation apparatus (21,121), can be with an input signal (PS who is defeated by by means of it
In) with identical intensity but mutual different phase assignments to two an output signal (PS
Out1, PS
Out2) on, and be provided with a hybrid circuit (19,119), borrow it can change hybrid circuit output signal (H
Out1, H
Out2) in output signal (PS
Out1, PS
Out2), it has a mutual relatively-stationary predetermined phase place and its amplitude differs from one another according to the different phase place in the phase modulation apparatus (21,121).
2. antenna assembly,
-being provided with at least two antenna systems (3.1,3.2), it comprises at least one radiator (13 respectively; 13-1,13-2), they are provided with on along continuous straight runs intersecting dislocation ground at least,
The radiation in a common polarization plane at least of-described at least two antenna systems (3.1,3.2),
-be provided with an electrical network (17), borrow its can with a signal with can differently set up or also particularly be defeated by described at least two antenna systems (3.1,3.2) with the intensity or the amplitude of relative adjustment mutually with different phase places, it is characterized in that:
-described at least one electrical network (17) constitutes like this, that is, and and the beam-shaping when generation one is different from the signal emission when signal receives.
3. according to claim 1 or 2 described antenna assemblies, it is characterized in that hybrid circuit output signal (H
Out1, H
Out2) have a sudden change mutually of identical phase place or one 180 °.
4. according to one of claim 1 to 3 described antenna assembly, it is characterized in that, at least one output of hybrid circuit (19) (19 ' a) and at least one input (I) of antenna system (3) between be provided with a phase-modulation element (31) additional, that change phase place.
5. according to one of claim 1 to 4 described antenna assembly, it is characterized in that phase modulation apparatus (21) is made of a differential phase shifter (21a).
6. according to one of claim 1 to 5 described antenna assembly, it is characterized in that, described at least two antenna systems (3.1,3.2) comprise flatly the radiator that lateral shift mutually is provided with (13-1,13-2).
7. according to the described antenna assembly of claim 6, it is characterized in that, be provided with at least two antenna array (5.1,5.2), wherein, in row, be provided with the radiator (13-1) of an antenna system (3.1), in another row (5.2), be provided with the radiator (13-2) of another antenna system (3.2).
8. according to one of claim 1 to 7 described antenna assembly, it is characterized in that hybrid circuit (19) is made of one 90 ° of hybrid circuits.
9. according to one of claim 1 to 7 described antenna assembly, it is characterized in that, be provided with at least four hybrid circuits (19), they are merged into a butler matrix, borrow it can power to the antenna array of one or four row, wherein, one can be defeated by the power supply signal (PS of the input of phase shifter adjusting device
In) can be divided into two phase place output signal (PS
Out1, PS
Out2), and, via the branch point of each postposition or total point (35 ', 35 ") make phase modulation apparatus (21) each output (21 ', (C's two inputs of 21 ") and butler matrix D) links to each other for A, B.
10. according to one of claim 1 to 8 described antenna assembly, it is characterized in that, be provided with at least four hybrid circuits (19), they are merged into a butler matrix, borrow it can power to the antenna array of one or four row, wherein be provided with a pair of phase shifter or many times of phase shifters, thus can be defeated by electrical network (17) input (23), and and then be defeated by the power supply signal (PS of phase modulation apparatus (121)
In) can be divided into four phase shifter output signals, they can be defeated by butler matrix four inputs (A, B, C, D).
11. according to one of claim 1 to 10 described antenna assembly, it is characterized in that, each radiator (13-1) that is provided with in row (5) is adjusted to its main lobe is located in parallel to each other, and the radiator (13-1) of along continuous straight runs intersecting dislocation setting is adjusted to the parallel or not parallel distribution of its main lobe ground is provided with where necessary.
12., it is characterized in that (13-1 13-2) preferably is arranged on the front of a common reflector arrangement (1) to radiator according to one of claim 1 to 11 described antenna assembly.
13. according to one of claim 1 to 12 described antenna assembly, it is characterized in that, antenna assembly be included in radiation in the polarization plane radiator (13-1,13-2).
14. according to one of claim 1 to 12 described antenna assembly, it is characterized in that, be provided with a plurality of radiators (13-1,13-2), they partly in a polarization plane radiation and partly one perpendicular to second polarization plane of first polarization plane in radiation.
15., it is characterized in that the antenna radiator of antithesis polarization is aligned to respect to horizontal line+45 ° or-45 ° of location according to one of claim 1 to 14 described antenna assembly.
16. according to one of claim 1 to 15 described antenna assembly, it is characterized in that, only be provided with the antenna radiator of radiation in a frequency band (13-1,13-2).
17., it is characterized in that (13-1,13-2), they are preferably radiation at least two polarization planes at least two frequency bands to be provided with a plurality of antenna radiators according to one of claim 1 to 15 described antenna assembly.
18., it is characterized in that, in order to obtain different horizontal line charts, the output (I of commutative hybrid circuit (119) according to one of claim 1 to 17 described antenna assembly, II, III is IV) with the input (13.1 of antenna assembly, 13.2,13.3,13.4) between the connection lead.
19. according to one of claim 1 to 18 described antenna assembly, it is characterized in that, output (I at the electrical network that is preferably hybrid circuit (119) form, II, III is IV) with the input (13.1,13.2 of antenna assembly, 13.3,13.4) between the connection lead have different length at least in part.
20. according to one of claim 1 to 19 described antenna assembly, it is characterized in that, electrical network (17) comprises having at least one a reception branch that receives an electrical network (43) and an emission electrical network (45) and an emission branch, borrows it can produce different horizontal direction line charts for emission situation and reception condition.
21. according to the described antenna assembly of claim 20, it is characterized in that, in receiving branch and/or emission branch, be provided with a reception amplifier (48) or an emission amplifier (46).
22. according to one of claim 1 to 21 described antenna assembly, it is characterized in that, be provided with a device of adjusting beam width serially, in order to realize variable beam-shaping.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2003136071 DE10336071B3 (en) | 2003-08-06 | 2003-08-06 | Antenna arrangement and method, in particular for their operation |
| DE10336071.9 | 2003-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692852Y true CN2692852Y (en) | 2005-04-13 |
Family
ID=34111974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201006712U Expired - Fee Related CN2692852Y (en) | 2003-08-06 | 2003-11-18 | Antenna device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1652271A1 (en) |
| CN (1) | CN2692852Y (en) |
| DE (1) | DE10336071B3 (en) |
| TW (1) | TW200507347A (en) |
| WO (1) | WO2005015690A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664670A (en) * | 2012-03-31 | 2012-09-12 | 福建星网锐捷网络有限公司 | Uplink signal reception control method of intelligent antenna, device and wireless access point |
| US8462047B1 (en) | 2012-04-20 | 2013-06-11 | Huawei Technologies Co., Ltd. | Antenna, base station, and beam processing method |
| CN103988365A (en) * | 2011-12-13 | 2014-08-13 | 瑞典爱立信有限公司 | A node in a wireless communication network with at least two antenna columns |
| CN105703054A (en) * | 2011-12-13 | 2016-06-22 | 瑞典爱立信有限公司 | Wireless communication network node having at least two antenna arrays |
| WO2021046800A1 (en) * | 2019-09-12 | 2021-03-18 | 罗森伯格技术有限公司 | Feed network improving beamwidth convergence of wideband antenna |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005061636A1 (en) | 2005-12-22 | 2007-06-28 | Kathrein-Werke Kg | Antenna for base station of mobile radio antenna, has longitudinal and/or cross bars that are length-variable in direct or indirect manner by deviation and/or bending and/or deformation and curving |
| US7427966B2 (en) | 2005-12-28 | 2008-09-23 | Kathrein-Werke Kg | Dual polarized antenna |
| ATE531221T1 (en) | 2006-04-21 | 2011-11-15 | Huawei Tech Co Ltd | ANTENNA DEVICE AND WIRELESS CELLULAR NETWORK |
| EP3654450A1 (en) * | 2012-04-20 | 2020-05-20 | Huawei Technologies Co., Ltd. | Antenna and base station |
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|---|---|---|---|---|
| US4063243A (en) * | 1975-05-27 | 1977-12-13 | The United States Of America As Represented By The Secretary Of The Navy | Conformal radar antenna |
| FR2652452B1 (en) * | 1989-09-26 | 1992-03-20 | Europ Agence Spatiale | DEVICE FOR SUPPLYING A MULTI-BEAM ANTENNA. |
| FR2672436B1 (en) * | 1991-01-31 | 1993-09-10 | Europ Agence Spatiale | DEVICE FOR ELECTRONICALLY MONITORING THE RADIATION DIAGRAM OF AN ANTENNA WITH ONE OR MORE VARIABLE STEERING AND / OR WIDTH BEAMS. |
| FR2750258B1 (en) * | 1996-06-24 | 1998-08-21 | Europ Agence Spatiale | RECONFIGURABLE ZONAL BEAM CONFORMATION SYSTEM FOR AN EMBEDDED ANTENNA ON AN ORBIT SATELLITE AND METHOD FOR OPTIMIZING RECONFIGURATION |
| US6900775B2 (en) * | 1997-03-03 | 2005-05-31 | Celletra Ltd. | Active antenna array configuration and control for cellular communication systems |
| JP2000101326A (en) * | 1998-09-25 | 2000-04-07 | Hitachi Ltd | Power feeding circuit for directional variable mobile communication base station |
| DE19860121A1 (en) * | 1998-12-23 | 2000-07-13 | Kathrein Werke Kg | Dual polarized dipole emitter |
| DE19938862C1 (en) * | 1999-08-17 | 2001-03-15 | Kathrein Werke Kg | High frequency phase shifter assembly |
| KR20090126300A (en) * | 2000-07-10 | 2009-12-08 | 앤드류 엘엘씨 | Cellular antenna |
| ATE322750T1 (en) * | 2000-09-02 | 2006-04-15 | Nokia Corp | FIXED BEAM GROUP ANTENNA, BASE STATION AND METHOD FOR SIGNAL TRANSMISSION VIA A FIXED BEAM GROUP ANTENNA |
| DE10104564C1 (en) * | 2001-02-01 | 2002-09-19 | Kathrein Werke Kg | Control device for setting a different drop angle, in particular of mobile radio antennas belonging to a base station, and an associated antenna and method for changing a drop angle |
-
2003
- 2003-08-06 DE DE2003136071 patent/DE10336071B3/en not_active Expired - Fee Related
- 2003-11-18 CN CNU2003201006712U patent/CN2692852Y/en not_active Expired - Fee Related
-
2004
- 2004-05-10 TW TW093113037A patent/TW200507347A/en unknown
- 2004-08-05 EP EP04763840A patent/EP1652271A1/en not_active Withdrawn
- 2004-08-05 WO PCT/EP2004/008800 patent/WO2005015690A1/en not_active Application Discontinuation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988365A (en) * | 2011-12-13 | 2014-08-13 | 瑞典爱立信有限公司 | A node in a wireless communication network with at least two antenna columns |
| CN103988365B (en) * | 2011-12-13 | 2016-01-06 | 瑞典爱立信有限公司 | There is in cordless communication network the node of at least two antenna array |
| CN105703054A (en) * | 2011-12-13 | 2016-06-22 | 瑞典爱立信有限公司 | Wireless communication network node having at least two antenna arrays |
| CN105703054B (en) * | 2011-12-13 | 2018-08-24 | 瑞典爱立信有限公司 | Node at least two antenna arrays in cordless communication network |
| CN102664670A (en) * | 2012-03-31 | 2012-09-12 | 福建星网锐捷网络有限公司 | Uplink signal reception control method of intelligent antenna, device and wireless access point |
| US8462047B1 (en) | 2012-04-20 | 2013-06-11 | Huawei Technologies Co., Ltd. | Antenna, base station, and beam processing method |
| US9673882B2 (en) | 2012-04-20 | 2017-06-06 | Huawei Technologies Co., Ltd. | Antenna, base station, and beam processing method |
| WO2021046800A1 (en) * | 2019-09-12 | 2021-03-18 | 罗森伯格技术有限公司 | Feed network improving beamwidth convergence of wideband antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200507347A (en) | 2005-02-16 |
| DE10336071B3 (en) | 2005-03-03 |
| EP1652271A1 (en) | 2006-05-03 |
| WO2005015690A1 (en) | 2005-02-17 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050413 Termination date: 20121118 |