CN200969585Y - Device for realizing multi-beam intelligent antenna using spray antenna - Google Patents
Device for realizing multi-beam intelligent antenna using spray antenna Download PDFInfo
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- CN200969585Y CN200969585Y CN 200620078832 CN200620078832U CN200969585Y CN 200969585 Y CN200969585 Y CN 200969585Y CN 200620078832 CN200620078832 CN 200620078832 CN 200620078832 U CN200620078832 U CN 200620078832U CN 200969585 Y CN200969585 Y CN 200969585Y
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Abstract
The utility model relates to a device for cellular mobile communication system in which a positioning antenna is used to realize the multiple-beam smart antenna. The device consists of a layered antenna array which is comprised by mutually independent N sides positioning antennas, an antenna selection unit, a coprocessor unit and a main processor. The N sides positioning antennas are connected with the coprocessor unit input end separately. The coprocessor output end is connected with the antenna selection unit and the main processor separately. The output end of the main processor is connected with the antenna selection unit and the base station separately. The utility model provides the advantages of simple structure, good compatibility, small mutual relativity between antennas, good disturbance resistance, large covering range of the base station, low electromagnetic wave pollution, low base station power, easy control of power, flexibility of grouping array methods, strong traffic balance ability and large communication capacity. The utility model is suitable for 3 G system, G S M system of 2 G and future 4 G system as well as W L A N, P H S communication system etc.
Description
Technical field the utility model relates to wireless communication system, relates to realize with directional antenna in a kind of cell mobile communication systems the device of multi-beam intelligent antenna specifically.
The background technology smart antenna is an important technology in the mobile communication system, uses smart antenna can increase power system capacity greatly, increases the coverage of wireless base station, improves communication quality, improves wireless data transmission rate.
Smart antenna is often referred to adaptive direction figure smart antenna and switched-beam directional diagram smart antenna.
Adaptive direction figure smart antenna is located needs to the user and is obtained all signal sources and the information of interference source, needs powerful, the expensive processor of function of use, the project cost height.Switched-beam directional diagram smart antenna has advantage simple in structure, that response speed is fast, but limited in one's ability to the inhibition of disturbing, and is difficult to realize the optimum reception and the emission of signal, reception variation when the user departs from main lobe direction.
The element antenna omni-directional of adaptive smart antenna and switched-beam smart antenna makes to disturb and is dispersed throughout all directions on every side, adaptive algorithm can't effectively be disturbed inhibition by zero the falling into that limited array element forms, therefore under the multipath propagation environment of this complexity, adaptive antenna zero falls into inhibitory action partial failure, and the interference that is in the main lobe can't suppress equally.
Utility model content the utility model is to solve the problem of above-mentioned adaptive smart antenna and the existence of switched-beam smart antenna, a kind of device of realizing multi-beam intelligent antenna with directional antenna is provided, thereby realize finishing space division multiple access, reduce system complexity, enlarge base station range, strong with existing base station compatible ability, improve the message capacity of wireless communication system and the purpose of antijamming capability
The utility model realizes that the technical scheme that above-mentioned purpose adopts is: a kind of device of realizing multi-beam intelligent antenna with directional antenna, it is characterized in that: this device comprises, the tier antenna array of forming by separate N face directional antenna, the antenna selected cell, coprocessor unit, primary processor; N face directional antenna is by being connected with the coprocessor unit input respectively, and the coprocessor output is connected respectively with antenna selected cell, primary processor, and the primary processor output is connected respectively with antenna selected cell, base station.
In fact, the utility model is the zone that will cover the base station service area of cellular mobile communication according to the base station with some directional antennas, form layering multi-beam array, directional antenna is adjusted beam position in advance, carry out space segmentation, realize space division multiple access, base station service area is divided into a lot of new sub-districts again, satisfy certain electromagnetic radiation insulation request between each sub-district; The realization communication channel is used technology again between the sub-district, thereby can increase number of users and base station range significantly, improves telex network bandwidth and message transmission rate significantly, reduces multipath interference and the reduction requirement to power amplifier significantly.The utility model disturbs with low Sidelobe Suppression, go to realize the covering of user area under the varying environment with multi-form group battle array mode, multiaspect directional antenna in the array has only the antenna work of sub-district, respective user place, has reduced electromagnetic pollution and to the interference of adjacent base station, has improved the availability of frequency spectrum; To the transmitting and receiving of signal, adopt directed multi-beam switching mode to realize the mobile subscriber is located tracking by main processor unit, coprocessor and antenna selected cell control antenna.
The utility model has been compared following superiority with existing smart antenna:
1, simple in structure, compatibility is strong.The control of orientation multi-beam intelligent antenna is easy to use, does not have big technological difficulties, and realizing does not need complicated algorithm easily, not only is suitable for the 3G system, also is suitable in the gsm system and the 4G system and communication systems such as WLAN, PHS in future of 2G.
2, cross correlation is little between antenna, and interference rejection capability is strong.Separate because of each directional antenna, cross correlation is little, and high directivity can suppress most multipaths and disturb, and makes received signal to noise ratio do height.Simultaneously, each array element can adopt the dual polarization structure, realizes the polarization diversity function, further improves system's antijamming capability.
3, base station range is big, and electromagnetic pollution is little.The high gain characteristics of base station directional antenna makes the communication distance of mobile phone farther, covers the control range that can enlarge the base station by layering, reduces the power consumption of mobile phone; Have only the strongest antenna work of received signal in each unit of array, reduce electromagnetic pollution and overhead.
4, base station power is low, and power control easily.In layering covers, utilize high-gain aerial to cover the far field, the method that low-gain antenna covers the near region reduces near-far interference and base station power, reduces the power control difficulty of transmitter and receiver.
5, group battle array mode is flexible, and the equalizing traffic volume ability is strong.What of the shape of overlay area and number of users can be formed multi-form array shape as required.As cover the circular layering battle array of high telephone traffic region, and cover the single face layering battle array of highway, cover the fan-shaped horizontal polarization battle array in marine site etc.Directed multi-beam intelligent antenna can carry out equalizing traffic volume, the part telephone traffic of high traffic sector is transferred on the directional antenna that capacity resource underuses the flexibility that has improved system.
6, message capacity is big.Owing to adopt directional antenna, reduced co-channel interference and, improved channel capacity with the multiplexing coefficient of frequency.
Description of drawings
Fig. 1 is the structural principle block diagram with the device of the multi-beam intelligent antenna of directional antenna realization.
Fig. 2 a is circular three layers of array structure of multi-beam intelligent antenna of realizing with directional antenna.
Fig. 2 b is with element antenna angle of declination schematic diagram in the multi-beam intelligent antenna array of directional antenna realization.
Fig. 3 is the multi-beam intelligent antenna individual layer circular array directional diagram of realizing with directional antenna.
Fig. 4 is 7 * 3 circular floored community district group structure schematic diagrames.
Fig. 5 a is adjunction side ring or the parabolic antenna structure chart of inhaling ripple cylinder cover tube.
Fig. 5 b is the parabolic antenna standing-wave ratio figure of adjunction side ring.
Fig. 5 c is the parabolic antenna directional diagram of adjunction side ring.
Fig. 6 a is the long backfire antenna structure chart of high side ring annulus.
Fig. 6 b is the long backfire antenna annulus of high side ring annulus feed structure figure.
Fig. 6 c is the long backfire antenna standing-wave ratio of high side ring annulus figure.
Fig. 6 d is the long backfire antenna directional diagram of high side ring annulus.
Fig. 7 a is a back cavity type micro-strip paster antenna structure side view.
Fig. 7 b is a back cavity type micro-strip paster antenna structure vertical view.
Fig. 7 c is back cavity type micro-strip paster antenna standing-wave ratio figure.
Fig. 7 d is a back cavity type micro-strip paster antenna directional diagram.
Fig. 8 improves the channel capacity comparison diagram with multi-beam intelligent antenna and adaptive smart antenna that directional antenna is realized.
Among the figure: 101,102, the 10N-directional antenna, the 1-aerial array, 2-antenna selected cell, the 3-primary processor, the 4-coprocessor unit, the 5-base station, first cover layer of 6-directional antenna, second cover layer of 7-directional antenna, the 3rd cover layer of 8-directional antenna, 9-back cavity type micro-strip paster antenna, 901-tubular back of the body chamber, 902-through hole, the 903-metal patch, the 904-circle metal plate, the long backfire antenna of the high side ring annulus of 10-, 1001-drum shape reflection back of the body chamber, the 1002-subreflector, the 1003-director, the parabolic antenna of 11-adjunction side ring or suction ripple cylinder cover tube, 1101-parabolic reflector, 1102-side ring or suction ripple cylinder cover tube, the 12-feed, 1201-opening, 1202-fairlead, the 1203-metal ring, the parabolic antenna directional diagram of 12 adjunction side rings of 13-or suction ripple cylinder cover tube, 14-divides a base station of three layers of covering, 15-coaxial line, 16-pole, the multi-beam intelligent antenna system channel capacity that the relation curve of 17-adaptive smart antenna system channel capacity and signal to noise ratio, 18-are realized with directional antenna and the relation curve of signal to noise ratio, the angle of declination of α-directional antenna.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is further specified.
Referring to Fig. 1, there is shown the basic structure that realizes multi-beam intelligent antenna with directional antenna of the present utility model, comprise by separate N face directional antenna 101,102 ... the tier antenna array 1 that 10N forms, primary processor 3, coprocessor unit 4 and antenna selected cell 2 four parts; N face directional antenna 101,102 ... 10N is by being connected with coprocessor 4 inputs respectively, and coprocessor 4 outputs are connected respectively with antenna selected cell 2, primary processor 3, and primary processor 3 outputs are connected respectively with antenna selected cell 2, base station 5.
The concrete value volume and range of product of directional antenna is determined according to the requirement of the environment of institute overlay area and far field, near field electric field strength, can select the antenna of different gains and lobe width or shaped-beam, requirement is that secondary lobe is lower, gain can be from 6dB to 20dB directional antenna, select between the hundreds of face tens, finish the space segmentation of base station overlay area.
The antenna selected cell buries device according to the association place and antenna switching and selection function are finished in the primary processor instruction.
Primary processor is used for demodulated received signal and judges its legitimacy, determines location of mobile users and multipath interference radiating way.
Coprocessor is used for patrolling and examining to received signal, and the aerial position and the strength information that signal are higher than thresholding are given main controller (being primary processor) and antenna selected cell, and instruction antenna selected cell is finished switching.
Coprocessor unit is made up of several coprocessors, and the quantity of coprocessor can be identical with the quantity of directional antenna, and a processor connects a directional antenna, and promptly a processing organ pipe buries a directional antenna; The quantity of coprocessor also can be less than the quantity of directional antenna, and a processor connects the i.e. coprocessor management several times directional antenna of several times directional antenna.
The method that the utility model is located tracking to the mobile subscriber be by several coprocessors of coprocessor unit respectively to the received signal intensity patrol and examine, when the signal strength signal intensity that detects reception is higher than given thresholding, coprocessor will send the position and the signal strength information of these antenna to primary processor, and instruction antenna selected cell is switched to the antenna that received signal is higher than thresholding in the primary processor, the effect that coprocessor is set is to reduce the primary processor load, improves system handles speed.Primary processor carries out demodulation to the signal by the coprocessor screening, judge the legitimacy of signal, and the signal that receives from different reception antennas is carried out intensity and time delay once more differentiate, to determine each mobile subscriber's definite position and multipath interference radiating way, be that the mobile subscriber present position makes that face element antenna area of coverage that received signal is the strongest and time delay is the shortest, have after definite mobile subscriber locus by the invertibity of antenna, the base station is connected on this antenna element, thereby has realized the aspect-stabilized purpose of smart antenna.In order to reach mobile tracking to the user, primary processor instruction coprocessor detects the relatively variation tendency of this work antenna adjacent antenna signal strength signal intensity, and compare with pilot detection threshold, pilot tone comparison threshold, the pilot tone drop-thresholds of coprocessor setting, provide handover information to primary processor, signal is in time switched on the element antenna of mobile subscriber overlay area of living in, realize mobile subscriber's mobile tracking.
Pilot detection threshold, this threshold value have reflected whether pilot signal has enough power and be used for correlation demodulation, and when the pilot signal strength of a wave beam surpassed this thresholding, this wave beam can be classified candidate's wave beam as; The pilot tone comparison threshold just carries out wave beam when the difference of the pilot frequency intensity of the pilot signal strength of candidate's wave beam and current effective wave beam during greater than this thresholding and switches; The pilot tone drop-thresholds, this threshold value reflection pilot signal power has been reduced to can't use them to carry out the level of correlation demodulation, and when the pilot frequency intensity of wave beam was lower than this thresholding, this wave beam was deleted from candidate's wave beam.
One of embodiment of the group formation formula that realizes multi-beam intelligent antenna with directional antenna of the present utility model is circular tier array structure, and it is the most basic group formation formula.Shown in Fig. 2 a: this group formation formula is to realize the circular layered cell structure that wave beam different radii zone covers with the directional antenna of different gains in vertical plane, referring to Fig. 2 b: every directional antenna all has a certain amount of angle of declination α, angle of declination α is meant the angle of antenna lobe axis and level, and its size is according to the shape of institute overlay area and the lobe size decision of antenna.
This group of battle array structure is exactly that each base station coverage area is divided into the m layer with the gain directional antenna different with lobe width, is three layers shown in Fig. 2, and promptly m is three, it is characterized in that from the upper strata to the lower floor, it is distributed as:
The m layer is little with the lobe width angle, the directional antenna of high-gain covers, the m-1 layer covers with the directional antenna big, that ratio of gains m layer is low of lobe width angle than the m layer, along with the number of plies downwards, directional antenna lobe width angle is strengthened, gain reduces, analogize in proper order, the 1st layer big with lobe width, directional antenna that gain is relatively low cover, and every layer of used directional antenna face number is 2 π/θ ' face; Described m is a positive integer, 1,2,3 ..., m; Described θ ' is the used directional antenna half power lobe of this a layer width angle.
Here by radius [0, r
1], [0, r
2], [0, r
3] ..., [0, r
m] zone of m annular concentric structure being defined, represented that this base station is divided into m layer structure.Can form n * m district group structure by many base stations based on this class sub-district, described n is with the multiplexing coefficient of frequency, and district group structure m is the antenna number of plies.
Shown in Figure 4 is circular floored community district group structure schematic diagram.Base station 14 is a three-decker, it is 7 * 3 district's group structures that n * m is formed in such base station 14,7 * 3 expressions are 7 with the frequency usage factor, 3 layers of circular array structure are adopted in each base station, consider the overlapping covering of minizone, circular representing with hexagon, is identical channel group at two with what use in the base station frequently, but the sequence of these two channel group in each layering distributes and adopt reverse allocative decision.For m layer array structure, m from inside to outside layering in one of the base station at shared channel group place allocated sub-channels group respectively is (f
1, f
2... f
m), m the layering groups of subchannels from inside to outside of then adjacent cochannel group interfere with layer base station be assigned as (f
m, f
M-1... f
1).The invertibity of Here it is above-mentioned antenna.
Of the present utility modelly realize that with directional antenna the group formation formula of multi-beam intelligent antenna can also be the linear array structure, be used for highway, railway is along the line; Can also be fan-shaped tier array structure, be used for village, marine site etc.
In order to reduce the interference that secondary lobe brings, can adopt various directional antennas, the utility model is with the parabolic antenna of high-gain, the micro-strip paster antenna of backfire antenna and medium gain describes for embodiment, but this does not constitute the restriction of the directional antenna scheme that can use the utility model, and the technical staff of this research field should be appreciated that.In order to reduce secondary lobe, so that better application has been done suitable improvement to these antenna in directed multi-beam intelligent antenna battle array, as increasing side ring or inhale ripple cover tube etc., in order to obtain different gains, but the paraboloidal diameter of appropriate change.
Present embodiment Fig. 2 is that directional antenna is realized the circular three layers of array structure of multi-beam intelligent antenna, but does not limit sandwich construction or the single layer structure that directional antenna of the present utility model is realized multi-beam intelligent antenna.Wherein directions X is a horizontal direction, and the Z direction is a vertical direction.First cover layer 6 of directional antenna among the figure covers with back cavity type micro-strip paster antenna 9, and back cavity type micro-strip paster antenna 9 half-power beam widths are 60 °, covers this layering with six this antennas; Second cover layer 7 of directional antenna covers with the long backfire antenna of high side ring annulus 10, and the half-power beam width of the long backfire antenna 10 of high side ring annulus is 30 °, covers this layering with 12 this antennas; The 3rd cover layer 8 of directional antenna, with parabolic antenna 11 coverings of adjunction side ring or suction ripple cylinder cover tube, parabolic antenna 11 half-power beam widths of adjunction side ring or suction ripple cylinder cover tube are 12 °, cover shared 30 this antennas of this layering.
Fig. 3 is the multi-beam intelligent antenna individual layer circular array directional diagram of realizing with directional antenna, it is the directional diagram of finishing covering with the long backfire antenna 10 of high side ring annulus, 13 is directional diagrams of 12 long backfire antennas 10 of high side ring annulus among the figure, and the long backfire antenna 10 of high side ring annulus is evenly distributed on the same circumference.
The parabolic antenna 11 of described back cavity type micro-strip paster antenna 9, the long backfire antenna 10 of high side ring annulus, adjunction side ring or suction ripple cylinder cover tube is just tested the part directional antenna that uses in the utility model, and their structure does not constitute restriction of the present utility model.
Shown in Fig. 7 a and Fig. 7 b: back cavity type micro-strip paster antenna 9 is made up of tubular back of the body chamber 901, pole 16, metal patch 903 and feed 12; Pole 16 is fixed on tubular back of the body chamber 901 central authorities, pole 16 upper end fixing metal pasters 903, the off-center place is provided with through hole 902 on the tubular back of the body 901 bottom surfaces, chamber, feed 12 is made of coaxial line 15 and circle metal plate 904, coaxial line 15 is positioned at through hole 902, the inner wire top of coaxial line 15 is fixed a circle metal plate 904 and is constituted capacitive load, and the outer conductor of coaxial line 15 is connected with tubular back of the body chamber 901.
For widening frequency band, back cavity type micro-strip paster antenna 9 adopts capacitive load, and selecting tubular back of the body chamber 901 for use is in order to control directional diagram and to improve gain.
Tubular back of the body chamber 901, metal patch 903 can be square, rectangle, circle or triangle.
Fig. 7 c is the standing-wave ratio figure of back cavity type micro-strip paster antenna, and as can be seen from the figure, less than 1.34, it is 130MHz that standing wave equals 1.5 frequency bandwidth to this antenna at WLAN frequency range standing wave.In an experiment of WLAN frequency range, the diameter in cylindrical shape back of the body chamber 901 is 1 λ
O, the length of side 0.45 λ of metal patch 903
O, λ
OBe centre frequency wavelength (as follows), recording this antenna gain is 7.8dB, and sidelobe level is lower than-21dB.The experiment of being done in the utility model WLAN frequency range, but this is not limited in the application in other wireless communication system.
Fig. 7 d is the directional diagram of back cavity type micro-strip paster antenna, and as can be seen from the figure, this antenna half-power beamwidth is 60 °, and secondary lobe is less than-21dB.
Shown in Fig. 5 a: the parabolic antenna 11 of adjunction side ring or suction ripple cylinder cover tube is made up of with side ring or suction ripple cylinder cover tube 1102 parabolic reflector 1101, feed 12, side ring or suction ripple cylinder cover tube 1102 are connected with parabolic reflector 1101 edges, pole 16 is fixed on the focus place of parabolic reflector 1101, and feed 12 is fixed on the pole 16 and is corresponding with the focus place of parabolic reflector 1101.Be necessary for metal material when adopting side ring, adopt to can be nonmetal or metal material when inhaling ripple cylinder cover tube, inwall is coated with absorbing material, in order to reduce the wind resistance coefficient, side ring available metal web frame.Feed back cavity type micro-strip paster antenna, the gain as requested of paraboloidal big I is set, and the area that gains when high is big, and gain hour area is little.The height of side ring or suction ripple cylinder cover tube is high more, and secondary lobe is more little.
Fig. 5 b is adjunction side ring or the standing-wave ratio figure that inhales the parabolic antenna of ripple cylinder cover tube, and as can be seen from the figure, less than 1.35, it is 150MHz that standing wave equals 1.5 frequency bandwidth to this antenna at WLAN frequency range standing wave.
Fig. 5 c is adjunction side ring or the directional diagram of inhaling the parabolic antenna of ripple cylinder cover tube, and as can be seen from the figure this antenna half-power beamwidth is 12 °, and secondary lobe is less than-38dB.
Shown in Fig. 6 a: the long backfire antenna 10 of high side ring annulus is made up of drum shape reflection back of the body chamber 1001, feed 12, subreflector 1002, director 1003 and pole 16, feed 12, subreflector 1002 and director 1003 are fixed on the pole 16 from top to bottom successively, and pole 16 is positioned at reflection back of the body chamber 1001 central authorities.Referring to Fig. 6 b: the metal that is provided with opening 1,201 1203 that feed 12 is made for metal tube, fairlead 1202 is established on opening 1201 opposites, coaxial line 15 penetrates from fairlead 1202, the outer conductor of coaxial line 15 is electrically connected on one side with opening 1201, and the inner wire of coaxial line 15 is electrically connected with opening 1201 another sides.
Adopting annulus is in order to obtain bigger bandwidth and higher gain as feed.Annulus feed girth is 1.03 λ
OAntenna feed impedance is 50 Ω.The effect of reflector and a plurality of directors is further to improve antenna gain.In order further to reduce secondary lobe, the side ring height is from 0.25 λ
OBe increased to 0.5 λ
O, in order to improve antenna efficiency, reflection back of the body chamber diameter is 2.24 λ
O
Fig. 6 c is the long backfire antenna standing-wave ratio of high side ring annulus figure.As can be seen from the figure, less than 1.25, it is 400MHz that standing wave equals 1.5 frequency bandwidth to this antenna at WLAN frequency range standing wave.
Fig. 6 d is the long backfire antenna directional diagram of high side ring annulus.As can be seen from the figure this antenna half-power beamwidth is 30 °, and secondary lobe is less than-32dB.
Fig. 8 improves the channel capacity comparison diagram with multi-beam intelligent antenna and adaptive smart antenna that directional antenna is realized.According to existing document, each antenna is interrelated in the adaptive smart antenna, is multiple-input, multiple-output (MIMO) channel models.Ergodic capacity is expressed as:
TBA represents adaptive smart antenna in the formula
Independently receive with each directional antenna in the multi-beam intelligent antenna system of directional antenna realization, channel has become to go into singly (MISO) model more, and ergodic capacity is expressed as:
SBA represents the multi-beam intelligent antenna that directional antenna is realized in the formula
Computing draws multi-beam intelligent antenna and the adaptive smart antenna raising channel capacity comparison diagram of realizing with directional antenna by analysis, the multi-beam intelligent antenna system channel capacity that to realize with directional antenna and the relation curve 18 of signal to noise ratio, compare with the relation curve 17 of adaptive smart antenna system channel capacity and signal to noise ratio, as can be seen: under identical signal to noise ratio, the channel capacity quantity of the multi-beam intelligent antenna of realizing with directional antenna of the present invention is than high many of the channel capacity of adaptive smart antenna, and along with the further raising of signal to noise ratio, channel capacity increasing degree ability is bigger.
Claims (9)
1, a kind of device of realizing multi-beam intelligent antenna with directional antenna, it is characterized in that: this device comprises, by separate N face directional antenna (101,102 ... 10N) the tier antenna array (1) of Zu Chenging, antenna selected cell (2), coprocessor unit (4), primary processor (3); Described N face directional antenna (101,102 ... 10N) be connected with described coprocessor unit (4) input respectively, described coprocessor unit (4) output is connected respectively with described antenna selected cell (2), described primary processor (3), and described primary processor (3) output is connected respectively with described antenna selected cell (2), base station (5).
2, according to the described device of realizing multi-beam intelligent antenna with directional antenna of claim 1, it is characterized in that: described directional antenna (101,102 ..., 10N) be that secondary lobe is lower, the antenna of gain from 6dB to 20dB, the quantity of described directional antenna (101,102,10N) tens between the hundreds of face.
3, according to the described device with directional antenna realization multi-beam intelligent antenna of claim 1, it is characterized in that: described coprocessor unit (4) is made up of several coprocessors, and a described processor connects one side or the described directional antenna of several times.
4, the device of realizing multi-beam intelligent antenna with directional antenna according to claim 1, it is characterized in that: described directional antenna (101,102 ..., 10N) be adjunction side ring or the parabolic antenna (11) of inhaling ripple cylinder cover tube, or/and back cavity type micro-strip paster antenna (9), or/and the long backfire antenna of high side ring annulus (10), or/and shaped-beam antenna.
5, the device with directional antenna realization multi-beam intelligent antenna according to claim 1 is characterized in that: described aerial array (1) is circular many, monolayer array, or linear many, monolayer array, or fan-shaped many, monolayer array.
6, the device with directional antenna realization multi-beam intelligent antenna according to claim 5, it is characterized in that: described circular multilayer array is circular m layer array, and from the upper strata to the lower floor, it is distributed as:
The m layer with the lobe width angle little, gain directional antenna covers, the m-1 layer covers with the directional antenna big, that ratio of gains m layer is low of lobe width angle than the m layer, along with the number of plies downwards, directional antenna lobe width angle is strengthened, gain reduces, the 1st layer big with lobe width, directional antenna that gain is relatively low cover, and every layer of used directional antenna face number is 2 π/θ ' face;
Described circular m layer array, two is identical channel group with what use in the frequency base station, the reverse allocative decision of employing but the sequence of these two channel group in each layering distributes; For m layer array structure, m from inside to outside layering in one of the base station at shared channel group place allocated sub-channels group respectively is (f
1, f
2... f
m), m the layering groups of subchannels from inside to outside of then adjacent cochannel group interfere with layer base station be assigned as (f
m, f
M-1... f
1).
7, the device with directional antenna realization multi-beam intelligent antenna according to claim 6 is characterized in that: described back cavity type micro-strip paster antenna (9) is made up of tubular back of the body chamber (901), pole (16), metal patch (903) and feed (12); Described pole (16) is fixed on described tubular back of the body chamber (901) central authorities, described pole (16) upper end fixing metal paster (903), the off-center place is provided with through hole (902) on the described tubular back of the body bottom surface, chamber (901), described feed (12) is made of the fixing circle metal plate (904) in the coaxial line (15) and the inner wire top of described coaxial line (15), (15 are positioned at described through hole (902) to described coaxial line, the inner wire of described coaxial line (15) and described circle metal plate (904) constitute capacitive load, and the outer conductor of described coaxial line (15) is connected with described tubular back of the body chamber (901).
8, the device of realizing multi-beam intelligent antenna with directional antenna according to claim 6, it is characterized in that: the described long backfire antenna of high side ring annulus (10) is made up of drum shape reflection back of the body chamber (1001), feed (12), subreflector (1002), director (1003) and pole (16), described feed (12), described subreflector (1002) and described director (1003) are fixed on the described pole (16) from top to bottom successively, and described pole (16) is positioned at described reflection back of the body chamber (1001) central authorities; The metal ring that is provided with opening (1201) (1203) that described feed (12) is made for metal tube, described opening (1201) right opposite is established fairlead (1202), coaxial line (15) is positioned at semicircular ring, described coaxial line (15) one ends are drawn from described fairlead (1202), the outer conductor of described coaxial line (15) other end is electrically connected on one side with described opening (1201), and inner wire is electrically connected with described opening (1201) another side.
9, the device of realizing multi-beam intelligent antenna with directional antenna according to claim 6, it is characterized in that: the parabolic antenna (11) of described adjunction side ring or suction ripple cylinder cover tube is by parabolic reflector (1101), feed (12), pole (16) is with side ring or inhale ripple cylinder cover tube (1102) composition, described side ring or suction ripple cylinder cover tube (1102) are connected with described parabolic reflector (1101) edge, described pole (16) is fixed on the focus of described parabolic reflector (1101), and it is last and corresponding with the focus of described parabolic reflector (1101) that described feed (12) is fixed on described pole (16).
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| CN 200620078832 CN200969585Y (en) | 2006-04-15 | 2006-04-15 | Device for realizing multi-beam intelligent antenna using spray antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103474759A (en) * | 2013-09-30 | 2013-12-25 | 惠州硕贝德无线科技股份有限公司 | Method for designing 4G broadband antenna |
| CN105486948A (en) * | 2015-11-27 | 2016-04-13 | 南京航空航天大学 | A method for rapidly extracting antenna-radome system electric performance parameters |
| CN107018540A (en) * | 2016-01-19 | 2017-08-04 | 松下电器产业株式会社 | Radio communication device, wireless communications method, control device and control method |
| CN107889280A (en) * | 2014-08-22 | 2018-04-06 | 福建三元达网络技术有限公司 | The WLAN outdoor wireless access point devices of self-adapting signal optimal path selection |
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2006
- 2006-04-15 CN CN 200620078832 patent/CN200969585Y/en not_active Expired - Fee Related
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| CN103474759A (en) * | 2013-09-30 | 2013-12-25 | 惠州硕贝德无线科技股份有限公司 | Method for designing 4G broadband antenna |
| CN107889280A (en) * | 2014-08-22 | 2018-04-06 | 福建三元达网络技术有限公司 | The WLAN outdoor wireless access point devices of self-adapting signal optimal path selection |
| CN107889279A (en) * | 2014-08-22 | 2018-04-06 | 福建三元达网络技术有限公司 | WLAN networking cladding systems based on LTE network |
| CN107889281A (en) * | 2014-08-22 | 2018-04-06 | 福建三元达网络技术有限公司 | WLAN outdoor wireless access point implementation methods based on LTE network |
| CN107889281B (en) * | 2014-08-22 | 2021-06-08 | 安科讯(福建)科技有限公司 | Method for realizing WLAN outdoor wireless access point based on LTE network |
| CN107889280B (en) * | 2014-08-22 | 2021-06-25 | 安科讯(福建)科技有限公司 | WLAN outdoor wireless access point device for self-adaptive signal optimal path selection |
| CN107889279B (en) * | 2014-08-22 | 2021-06-29 | 安科讯(福建)科技有限公司 | WLAN networking covering device based on LTE network |
| CN105486948A (en) * | 2015-11-27 | 2016-04-13 | 南京航空航天大学 | A method for rapidly extracting antenna-radome system electric performance parameters |
| CN107018540A (en) * | 2016-01-19 | 2017-08-04 | 松下电器产业株式会社 | Radio communication device, wireless communications method, control device and control method |
| CN107018540B (en) * | 2016-01-19 | 2020-11-24 | 松下电器产业株式会社 | Wireless communication apparatus, wireless communication method, control apparatus, and control method |
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