WO2012157796A1 - 슬롯 커플 방식 방사체 및 이를 포함하는 안테나 - Google Patents
슬롯 커플 방식 방사체 및 이를 포함하는 안테나 Download PDFInfo
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- WO2012157796A1 WO2012157796A1 PCT/KR2011/003667 KR2011003667W WO2012157796A1 WO 2012157796 A1 WO2012157796 A1 WO 2012157796A1 KR 2011003667 W KR2011003667 W KR 2011003667W WO 2012157796 A1 WO2012157796 A1 WO 2012157796A1
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- feed
- reflecting plate
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- radiator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/108—Combination of a dipole with a plane reflecting surface
Definitions
- the present invention relates to a slot-coupled radiator and an antenna including the same, and more particularly, to a radiator and an antenna including the same, which are simply supplied with power through a slot of a reflector.
- An antenna especially an antenna for a base station, includes a plurality of radiators, and transmits and receives signals using beams output from the radiators.
- the radiators are generally implemented as a structure directly connected to a reflector that serves as a ground in the antenna, and as a result, there is a problem in that a mutual intermodulation (PIMD) is generated due to contact of metals.
- PIMD mutual intermodulation
- the radiator since the feed line for supplying power to the radiator is connected to the balun of the radiator through soldering, the radiator had to be plated with a specific material, for example, tin, in order to perform the soldering process. As a result, the cost of producing the radiator has increased.
- the present invention does not require a physical connection between the emitter and the reflector, the problem of intermodulation distortion (PIMD) may not occur.
- PIMD intermodulation distortion
- the radiator is formed by cutting and bending one metal plate, it can be implemented at low cost.
- an antenna includes a reflector, a dipole radiator and a microstrip feed track.
- the feed track comprises two parallel metal strips perpendicular to the reflecting plate and located on opposite sides of the slot of the reflecting plate. The strips are connected to parallel base plates and are spaced in close proximity from the reflecting plate. Each parallel strip is connected directly to the radiator arranged coplanar or 90 degrees with the strip.
- a microstrip feed track is located on the opposite side of the reflector plate and extends to the slot and intersects the slot with a small dimension at the center.
- the feed track is terminated by approximately [lambda] / 4 in an open circuit and extends beyond the slot.
- ⁇ / 4 extension means a matching stub that can be applied to maximize coupling from the feed track to the feed through the slot.
- An air layer is present between the feeders, and the air layer is present between the base plates and the reflecting plate.
- An air layer may also be present between the feed track and the reflector.
- the radiating elements, the feed strips and the base plate may all have a rectangular shape.
- the base plate, feed section and radiating element are made from a single piece of metal and require bending once for the base plate.
- the antenna of the invention comprises a reflector, a dipole emitter and a micro strip feed track.
- the feed section consists of two parallel metal strips perpendicular to the reflecting plate and located opposite sides of the slot of the reflecting plate.
- the feed portions are connected to flat handle base plates, but are closely spaced from the reflecting plate.
- Each parallel strip is connected directly to the dipole radiating elements coplanar with the feed strips, but with a 90 degree difference.
- the corners are cornered to have an impedance match with the radiating element.
- the microstrip feed track is located on the opposite side of the reflector plate and extends to the slot and intersects the slot in a narrow dimension at the center.
- the feed track is terminated by approximately [lambda] / 4 and extends beyond the slot.
- ⁇ / 4 extension means a matching stub that can be applied to maximize coupling from the feed track to the feed through the slot.
- the first dielectric layer may be between parallel feed strips for the dipole, and the second dielectric layer is between the base plates and the reflector plate.
- a third dielectric layer is present in the slot of the reflector plate.
- the dipole radiating elements, the dipole feed strips and the base plate all have a rectangular shape.
- the base plate, dipole feed strip and dipole radiating element are made from a single piece of metal and require bending once for the base plate.
- the antenna comprises a reflector, a dipole emitter and a microstrip feed track.
- the feeds include two parallel metal strips positioned perpendicular to the reflector and on opposite sides of the slot of the reflector. The strips are connected to parallel base plates, but are closely spaced from the reflecting plate. Each parallel strip is connected directly to the bent radiating elements, the broad surface of the radiating element being parallel to the reflecting plate.
- the radiating elements can be bent on a plane parallel to the reflecting plate and tilted toward the reflecting plate. This supports impedance matching for the radiating element.
- the microstrip feed track is located on the opposite side of the reflector plate and extends to the slot and intersects the slot in a narrow dimension at the center.
- the feed track is terminated by approximately [lambda] / 4 and extends beyond the slot.
- ⁇ / 4 extension means a matching stub that can be applied to maximize coupling from the feed track to the feed through the slot.
- the first dielectric layer may be between parallel feed strips for the dipole, and the second dielectric layer is between the base plates and the reflector plate.
- a third dielectric layer is present in the slot of the reflector plate.
- the radiating elements are tapered (having a butterfly shape), ie the width of the radiating elements is narrowest at the feed end and widest at the end thereof.
- the parallel feed strips can also be tapered and wider closer to the reflector and narrowest in the radiating elements.
- the base plates may also be tapered, the narrowest in the feed strips and the widest at the end of the base plate away from the feed strips.
- the base plate, dipole feed strip, and radiating element are made from a single piece of metal, require bending at the connection of the support plate and the feed strip, and bend at the connection point of the feed strip and the radiating element.
- the radiator according to the present invention is not physically connected to the reflector or the feed track, there is an advantage that the manufacturing cost of the radiator can be reduced without generating intermodulation distortion (PIMD). As a result, the yield of the antenna can be improved and the manufacturing cost of the antenna can be reduced.
- PIMD intermodulation distortion
- the radiator since the soldering process is not performed during manufacturing of the radiator, the radiator may be unplated. Thus, the manufacturing cost of the radiator can be reduced.
- the feed portion, the base plate, the feed portion, and the radiating member are manufactured through a simple method of bending one metal piece, the time and cost of manufacturing the radiator can be reduced.
- FIG. 1 is a perspective view showing an antenna according to a first embodiment of the present invention.
- FIG. 2 and 3 are diagrams illustrating electrical characteristics of the antenna of FIG. 1 according to an embodiment of the present invention.
- FIG. 4 is a diagram illustrating a radiator in a high frequency band according to an embodiment of the present invention.
- 5 and 6 illustrate electrical characteristics of the antenna of FIG. 4 according to an embodiment of the present invention.
- FIG. 7 is a perspective view illustrating an antenna according to a second embodiment of the present invention.
- FIG. 8 and 9 illustrate electrical characteristics of the antenna of FIG. 7 according to an embodiment of the present invention.
- FIG. 10 is a perspective view illustrating an antenna according to a third embodiment of the present invention.
- FIG. 11 and 12 illustrate electrical characteristics of the antenna of FIG. 10 according to an embodiment of the present invention.
- FIG. 13 is a perspective view showing an antenna according to a fourth embodiment of the present invention.
- FIG. 14 and 15 illustrate electrical characteristics of the antenna of FIG. 13 according to an embodiment of the present invention.
- radiator 102 radiator
- FIG. 1 is a perspective view showing an antenna according to a first embodiment of the present invention.
- the antenna of the present embodiment is, for example, an antenna for a base station, and includes a reflector plate 100, a radiator 102, and a feed track 104. Although only one radiator 102 is illustrated in FIG. 1, a plurality of radiators may be arranged on the reflector plate 100. However, for convenience of explanation, it is assumed that only one radiator 102 is arranged on the reflector plate 100.
- the reflector plate 100 serves as a reflector and ground.
- a slot 130 is formed in a part of the reflector plate 100 as an example of an aperture.
- the slot 130 may be implemented in various shapes, such as a rectangular shape. The length and width of the slot 130 can be varied to maximize the coupling between the feed track 104 and the feed and to impedance match.
- the radiator 102 is arranged on the upper surface of the reflecting plate 100 and outputs a predetermined radiation pattern.
- the radiator 102 is a low-cost radiator having a simple structure, the first feed section 110, the second feed section 112, the first radiating element 114, the second radiating element 116, a first base plate 118, and a second base plate 120.
- the first feed part 110 serves to transfer the power supplied from the feed track 104 to the first radiating element 114 through a coupling method, for example, as shown in FIG. Likewise, it may be made of a piece of metal.
- the second feeder 112 serves to transfer the power supplied from the feeder track 104 via a coupling scheme to the second radiating element 116, as shown in FIG. 1A, for example. It can be made of metal pieces together.
- an air layer 132 may exist between the first feed part 110 and the second feed part 112, that is, the first feed part 110 and the second feed part 112. Are spaced apart by a predetermined distance.
- the space between the feeders 110 and 112 corresponds to the space of the slot 130.
- the distance between the feed portions 110 and 112 may be variously modified and need not correspond to the width of the slot 130.
- the first radiating element 114 may be electrically connected to the first feed part 110, and may be connected to the first feed part 110 in a direction perpendicular to the first feed part 110, for example.
- the first radiating element 114 may be inclined toward the reflecting plate 100 from a direction perpendicular to the reflecting plate.
- the first base plate 118, the first feed portion 110 and the first radiating element 114 is, for example, by cutting the aluminum sheet into a metal piece by bending the metal piece. Can be formed. Thereafter, the base plate 118 may be bent to be perpendicular to the feed part 110.
- the second radiating element 116 may be electrically connected to the second feed part 112, and may be connected to the second feed part 112 in a direction perpendicular to the second feed part 112, for example.
- the second base plate 120, the second feed part 112, and the second radiating element 116 may be formed by cutting the metal plate into metal pieces and then bending the metal pieces. .
- each of the radiating elements 114 and 116 may be arranged, for example, spaced apart by about ⁇ / 4 from the top surface of the reflecting plate 100.
- the first base plate 118 serves to support the first feed part 110 and is a conductor.
- the second base plate 120 supports the second feeder 112 and is a conductor.
- each base plate 118 and 120 is arranged spaced apart from the reflecting plate 100 as shown in FIG. That is, an air layer exists between each of the base plates 118 and 120 and the reflecting plate 100. As a result, each base plate 118 and 120 is capacitively coupled with the reflector plate 100. Meanwhile, since the base plates 118 and 120 are spaced apart from the reflecting plate 100, a support for supporting the radiator 102 may be separately provided although not shown.
- the feed track 104 is arranged on the rear surface of the reflecting plate 100 as shown in FIG. 1D and may be implemented as, for example, a microstrip line. That is, the feed track 104 may be formed of a dielectric layer and a conductive layer sequentially arranged on the reflector plate 100.
- the feed track 104 may be arranged to extend to the slot 130 as shown in FIG. 1D.
- the feed track 104 (microstrip line) may be connected to an array distribution network.
- the microstrip line can be terminated at the coaxial connector such that the source is connected to the antenna.
- the matching stub 142 may be formed connected to the feed track 104.
- Matching stub 142 may, for example, have a length of ⁇ / 4, and maximizes power supplied through impedance matching and feed track 104 to feeders 110 and 112 through slot 130. Play a role of That is, matching stub 142 maximizes the power delivered from feed slots 110 and 112 to slot 130.
- the slot 130 When power is supplied through the feed track 104, the slot 130 is excited to form a field in the slot 130. The field in slot 130 then directly excites feed portions 110 and 112 via base plates 118 and 120. That is, the power of the feed track 104 is transmitted to the feed portions 110 and 112 through the slot 130 and base plates 118 and 120.
- the power of the feeders 110 and 112 is fed to the radiating elements 114 and 116, and as a result, a predetermined radiation pattern is output from the radiator 102.
- the feeders 110 and 112, the base plates 118 and 120, and the slot 130 may be implemented in various sizes in consideration of impedance matching.
- the antenna of the present invention feeds power to feeders 110 and 112 using feed tracks 104 and slots 130 and a direct physical connection between reflector 100 and radiator 102. This does not exist. Therefore, a passive intermodulation (PIMD) may not occur due to the contact between the metal and the metal. As a result, since no PIMD is generated, the yield of the antenna can be improved and the manufacturing cost can be reduced.
- PIMD passive intermodulation
- the base plate 118 or 120, the feed section 110 or 112, and the radiating element 114 or 116 are formed by bending the metal pieces, it is simple to manufacture the radiator 102 and the manufacturing cost can be reduced.
- the radiator since the feed line is soldered to the balun part, the radiator has to be plated with a predetermined material, for example, tin.
- the soldering process is not required in the radiator 102 of the present invention, the cost of manufacturing the radiator 102 can be reduced by not having to plate the radiator 102.
- the antenna of the present invention can maintain a high yield while having a low cost, and can have excellent electrical characteristics.
- the radiator 102 can also be implemented at low cost and can be plated.
- the shape and size of the radiating elements 114 and 116 may be variously modified in consideration of the resonance frequency and the design purpose.
- FIG. 2 and 3 are diagrams illustrating electrical characteristics of the antenna of FIG. 1 according to an embodiment of the present invention.
- the antenna of the present embodiment implements a band of 790 MHz to 960 MHz and wide impedance matching is performed.
- S11 is -16.7 kHz or less, that is, the antenna has excellent impedance matching characteristics.
- the 3 kHz beamwidth of the antenna including the radiator 102 of FIG. 1 is 85.5 degrees, and the directionality is 8 dBi.
- FIG. 4 is a view showing a radiator in a high frequency band according to an embodiment of the present invention
- Figures 5 and 6 are diagrams showing the electrical characteristics of the antenna of Figure 4 according to an embodiment of the present invention.
- the antenna of the present embodiment has the same structure as the antenna of FIG. 1, but implements a higher frequency band than the antenna of FIG. 1.
- the length of the radiating elements eg, about ⁇ / 4 length
- the width of the feed portion does not change significantly.
- the width of the feed portion is hardly changed to maintain the impedance characteristics of the parallel strip feed line.
- the antenna of the present embodiment implements a high frequency band of 1710 MHz to 2170 MHz and achieves wide impedance matching.
- S11 is -11.8 kHz or less, and has excellent impedance characteristics.
- the 3 kHz beamwidth of the antenna is 105.1 degrees and the directionality is 7.9 GHz.
- cross-polarization is slightly higher than the antenna of FIG. 1 implementing the low frequency band. This is mainly due to radiation from the excited field in the parallel transmission feed line perpendicular to the field radiated from the radiating element.
- the radiation element is formed vertically such that the main polarization is vertical.
- the field in the parallel transmission feed line is horizontal, which is the main cause of horizontally polarized cross-polarized radiation in FIG. 6.
- FIG. 7 is a perspective view illustrating an antenna according to a second embodiment of the present invention.
- the antenna of this embodiment includes a reflector plate 700, a radiator 702, and a feed track 704.
- Figs. 7A and 7B the antenna of this embodiment includes a reflector plate 700, a radiator 702, and a feed track 704.
- radiator 702 Since the remaining components except for the radiator 702 are the same as in the first embodiment, detailed description of the same components will be omitted below.
- the radiator 702 includes feeders 710 and 712, radiating elements 714 and 716, base plates 718 and 720, and support 734.
- the support 734 serves to support the base plates 718 and 720 as shown in FIG. 7C, and preferably two separate sub supports support the base plates 718 and 720, respectively. do.
- the support 734 is made of a dielectric material, for example, it may be made of a PTFE spacer (Poly Tetra Fluoro Ethylene Spacer).
- the size of the base plates 718 and 720 when arranging the support portion 734 between the base plates 718 and 720 and the reflector plate 700 is the same as those of the first embodiment. It becomes smaller than the size of the base plates 118 and 120 when arranging the air layer between the reflecting plates 100. This is because the capacitance between the base plates 718 and 720 and the reflector plate 700 is increased because the dielectric constant of the support 734 is larger than the dielectric constant of the air layer.
- the base plates 718 and 720 are supported by the support 734 to stably fix the radiator 702 to the reflector plate 700.
- the coupling feeding method through the slot 730 is the same as in the first embodiment.
- FIG. 8 and 9 illustrate electrical characteristics of the antenna of FIG. 7 according to an embodiment of the present invention.
- the antenna of the present embodiment implements a band of 790 MHz to 960 MHz and confirms that wide impedance matching is performed.
- S11 in the 790 MHz to 960 MHz band is -15 dB or less, and has excellent impedance matching characteristics.
- the 3 kHz beamwidth of the antenna is 85.5 degrees and the directionality is 8 kHz.
- FIG. 10 is a perspective view illustrating an antenna according to a third embodiment of the present invention.
- the antenna of this embodiment includes a reflector plate 1000, a radiator 1002, and a feed track.
- the structure of the back surface of the reflecting plate 1000 including the power feeding track is the same as in the first embodiment and thus is not shown in FIG.
- the radiator 1002 includes a first feed part 1010, a second feed part 1012, a first radiating element 1014, a second radiating element 1016, a first base plate 1018, and a second base plate 1020. It includes.
- a support 1034 may exist between the base plates 1018 and 1020 and the reflector plate 1000, as shown in FIG. 10C, that is, the support 1034 is the base plates.
- Support 1018 and 1020 may be made of a PTFE dielectric material.
- dielectric layer 1032 having a predetermined dielectric constant, rather than an air layer, between the feed portions 1010 and 1012.
- dielectric layer 1032 is entirely filled between feed portions 1010 and 1012.
- a dielectric layer 1040 having a predetermined dielectric constant may be formed in the slot 1030 of the reflector plate 1000, that is, the dielectric material is filled in the slot 1030.
- the slot 130 space, the base plates 118 and 120 and the reflecting plate 100 each consist of an air layer
- the support parts 1118 and 1120 and the reflector plate 1000 are each made of a dielectric layer.
- each dielectric layer existing between the feed portions 1110 and 1112, the slot 1130 space, the base plates 1118 and 1120 and the reflector plate 1000 are all made of the same dielectric material as, for example, PTFE dielectric material. It may be made of different dielectric materials.
- the use of a dielectric in the parallel strip transmission line formed by feeds 1110 and 1112 means that the width can be reduced compared to the case where air space is used to realize the same impedance characteristics.
- the reduction in the width of the transmission feed line means that the device can be used in a larger frequency range.
- FIG. 11 and 12 illustrate electrical characteristics of the antenna of FIG. 10 according to an embodiment of the present invention.
- the antenna of the present embodiment implements a high frequency band of 1710 MHz to 2170 MHz and has wide impedance matching.
- S11 in the 1710 MHz to 2170 MHz band is less than -10 Hz.
- the impedance matching of this embodiment is excellent.
- the 3 kHz beamwidth of the antenna is 103.6 degrees and the directionality is 7.9 GHz. It can also be seen that the cross polarization characteristic is much higher than that of the antenna of FIG. 1 consisting of air layers, due to the cross-polarization radiation from the ends of the transmission feed line.
- FIG. 13 is a perspective view showing an antenna according to a fourth embodiment of the present invention.
- the antenna of this embodiment includes a reflector 1300, a radiator 1302, and a feed track.
- the back structure of the feed track and the reflector plate 1300 is the same as in the first embodiment, a description of the back structure of the reflector plate 1300 will be omitted.
- the radiator 1302 has a structure capable of reducing cross polarization radiation, and includes feeders 1310 and 1312, radiating elements 1314 and 1316, base plates 1318 and 1320, and supports 1334 and 1336. It includes.
- a dielectric layer made of a predetermined dielectric material.
- the first radiating element 1314 is bent at an angle of about 90 degrees or more with respect to the power supply unit 1310.
- the first radiating element 1314 can vary in width from its feed to its termination, which can be of varying linearity or some other profile.
- the first radiating element 1314 may be formed to be inclined in the direction of the reflecting plate 1300 by ⁇ angle from the horizontal plane as shown in FIG. 13B.
- the second radiating element 1316 is bent in a similar manner as the first radiating element 1314.
- the second radiating element 1316 can vary in width from its feed to its termination, which can be of varying linearity or some other profile.
- the second radiating element 1316 may be formed to be inclined in the direction of the reflector plate 1300 by ⁇ angle from the horizontal plane as shown in FIG. 13B.
- the inclination of the second radiating element 1316 may be the same as or different from the first radiating element 1314.
- the radiating elements 1314 and 1316 have a butterfly shape, and as shown in FIG. 13, the radiating elements 1314 and 1316 are inclined by a predetermined angle from the horizontal plane toward the reflecting plate 1300.
- the radiating elements 1314 and 1316 may each have a shape other than a triangle.
- the base plate 1318 or 1320 is connected to the end of the feeder 1310 or 1312 and is capacitively connected to the reflector plate 1300 through a coupling method.
- the base plates 1318 and 1320 may have a butterfly shape similar to the radiating elements 1314 and 1316, and a taper is formed in the base plate 1318 or 1320. This is to improve the impedance matching characteristics. That is, in order to improve impedance matching characteristics, the radiating elements 1314 and 1316 have a butterfly shape, and the base plate 1318 or 1320 is formed to be tapered.
- the size of the base plate 1318 or 1320 may be smaller than the radiating element 1314 or 1316.
- the feed portion 1310 or 1312, the corresponding radiating element 1314 or 1316 and the base plate 1318 or 1320 is formed by bending one metal piece twice.
- the radiator 1302 has a simple structure similar to the radiator 102 of the first embodiment and can be implemented at low cost.
- PIMD may not be generated.
- a support 1334 or 1336 made of a dielectric material is arranged between the base plate 1318 or 1320 and the reflecting plate 1300.
- the dielectric material is filled in the space of the slot 1330 of the reflector plate 1300, that is, the dielectric layer 1340 is filled in the slot 1330.
- the radiator 1302 of the present embodiment includes the radiating elements 1314 and 1316 and the base plates 1318 and 1320 having a butterfly shape.
- a dielectric layer may not be formed between the feed portions 1310 and 1312, between the base plates 1318 and 1320 and the reflecting plate 1300, and in the space of the slot 1330, but may be formed of an air layer.
- FIG. 14 and 15 illustrate electrical characteristics of the antenna of FIG. 13 according to an embodiment of the present invention.
- the antenna of the present embodiment implements the band 1710MHz to 2170MHz.
- S11 is -13 dB or less, and it can be seen that the impedance matching characteristics are excellent. .
- the cross polarization level is significantly reduced when the field in the slot 1330 is aligned with the field of the radiator 1302.
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Abstract
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Claims (26)
- 반사판; 및방사체를 포함하며,상기 방사체는,상기 반사판의 제 1 면 위에 배열된 급전부들;상기 반사판과 평행하거나 상기 반사판을 향하여 기울어지도록 상기 급전부들로부터 연장된 제 1 방사 소자 및 제 2 방사 소자; 및상기 급전부들을 지지하는 제 1 기저판 및 제 2 기저판을 포함하되,상기 기저판들은 상기 반사판과 용량적으로 커플링되는 것을 특징으로 하는 안테나.
- 제1항에 있어서, 상기 급전 트랙은 상기 슬롯까지 형성되고, 상기 안테나는 상기 급전 트랙으로부터 길이 연장된 정합 스터브를 더 포함하며, 상기 급전 트랙으로 전력이 공급되면 상기 슬롯의 공간 내에 필드가 형성되고, 상기 슬롯 내의 필드가 상기 기저판들 및 상기 급전부들을 통하여 상기 방사 소자들로 급전되는 것을 특징으로 하는 안테나.
- 제1항에 있어서, 상기 급전부들 사이에는 공기층이 존재하거나 제 1 유전 물질이 채워지고, 상기 기저판들과 상기 반사판 사이에 공기층이 존재하거나 제 2 유전 물질이 채워지며, 상기 반사판의 슬롯의 공간에 공기층이 존재하거나 제 3 유전 물질이 채워지는 것을 특징으로 하는 안테나.
- 제1항에 있어서, 상기 방사 소자들은 해당 급전부로부터 그들의 종단으로 가변되는 폭을 가지며, 상기 기저판들은 해당 급전부로부터 그들의 종단으로 가변되는 폭을 가지되,상기 방사 소자들은 상기 급전부의 수평면으로부터 상기 반사판 방향으로 소정 각도만큼 기울어져 배열되며, 상기 제 1 기저판, 상기 급전부들 중 제 1 급전부 및 상기 제 1 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되고, 상기 제 2 기저판, 상기 급전부들 중 제 2 급전부 및 상기 제 2 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되는 것을 특징으로 하는 안테나.
- 제1항에 있어서, 상기 방사 소자들은 상기 반사판으로부터 λ/4만큼 이격되되, λ은 상기 안테나로부터 출력되는 빔의 중심 주파수 파장인 것을 특징으로 하는 안테나.
- 반사판;상기 반사판의 제 1 면 위에 배열된 방사체; 및상기 반사판의 면들 중 상기 제 1 면과 대향하는 제 2 면 위에 배열된 급전 트랙을 포함하며,상기 방사체는,상기 반사판의 제 1 면 위에 배열된 급전부들;상기 급전부들을 지지하는 제 1 기저판 및 제 2 기저판; 및상기 반사판과 평행하게 또는 상기 반사판을 향하여 기울어지도록 상기 급전부들로부터 연장된 제 1 방사 소자 및 제 2 방사 소자를 포함하되,상기 반사판의 일면 위에는 슬롯이 형성되고, 상기 급전 트랙을 통하여 공급된 전력이 상기 반사판의 슬롯을 통하여 상기 방사 소자들로 급전되는 것을 특징으로 하는 안테나.
- 제6항에 있어서, 상기 급전 트랙은 상기 슬롯까지 형성되고, 상기 안테나는 상기 급전 트랙으로부터 길이 연장된 정합 스터브를 더 포함하며, 상기 급전 트랙으로 전력이 공급되면 상기 슬롯의 공간 내에 필드가 형성되고, 상기 슬롯 내의 필드가 상기 기저판들 및 상기 급전부들을 통하여 상기 방사 소자들로 급전되는 것을 특징으로 하는 안테나.
- 제6항에 있어서, 상기 급전부들 사이에는 공기층이 존재하거나 제 1 유전 물질이 채워지고, 상기 기저판들과 상기 반사판 사이에 공기층이 존재하거나 제 2 유전 물질이 채워지며, 상기 반사판의 슬롯의 공간에 공기층이 존재하거나 제 3 유전 물질이 채워지는 것을 특징으로 하는 안테나.
- 제6항에 있어서, 상기 방사 소자들은 해당 급전부로부터 그들의 종단으로 가변되는 폭을 가지고, 상기 기저판들은 해당 급전부로부터 그들의 종단으로 가변되는 폭을 가지되,상기 방사 소자들은 상기 급전부의 수평면으로부터 상기 반사판의 방향으로 소정 각도만큼 기울어져 배열되며, 상기 제 1 기저판, 상기 급전부들 중 제 1 급전부 및 상기 제 1 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되고, 상기 제 2 기저판, 상기 급전부들 중 제 2 급전부 및 상기 제 2 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되는 것을 특징으로 하는 안테나.
- 제6항에 있어서, 상기 방사 소자들은 상기 반사판으로부터 λ/4만큼 이격되되, λ은 상기 안테나로부터 출력되는 빔의 중심 주파수의 파장인 것을 특징으로 하는 안테나.
- 제6항에 있어서, 상기 제 1 기저판, 상기 급전부들 중 제 1 급전부 및 상기 제 1 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되고, 상기 제 2 기저판, 상기 급전부들 중 제 2 급전부 및 상기 제 2 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되는 것을 특징으로 하는 안테나.
- 반사판; 및상기 반사판의 제 1 면 위에 배열된 방사체를 포함하며,상기 방사체는,상기 반사판의 제 1 면 위에 배열된 급전부들; 및상기 반사판과 평행하게 또는 상기 반사판을 향하여 기울어지도록 상기 급전부들로부터 연장된 제 1 방사 소자 및 제 2 방사 소자를 포함하되,상기 방사 소자들은 상기 반사판으로부터 λ/4만큼 이격되되, λ은 상기 안테나로부터 출력되는 빔의 중심 주파수의 파장인 것을 특징으로 하는 안테나.
- 제12항에 있어서, 상기 안테나는 상기 반사판의 면들 중 상기 제 1 면과 대향하는 제 2 면 위에 배열된 마이크로스트립 구조의 급전 트랙을 더 포함하되,상기 반사판의 일면 위에는 슬롯이 형성되고, 상기 급전 트랙을 통하여 공급된 전력이 상기 슬롯을 통하여 상기 방사 소자들로 급전되는 것을 특징으로 하는 안테나.
- 제12항에 있어서, 상기 방사체는,상기 급전부들을 지지하는 제 1 기저판 및 제 2 기저판을 더 포함하되,상기 기저판들은 상기 반사판과 용량적으로 커플링되며, 상기 제 1 기저판, 상기 급전부들 중 제 1 급전부 및 상기 제 1 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되고, 상기 제 2 기저판, 상기 급전부들 중 제 2 급전부 및 상기 제 2 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되는 것을 특징으로 하는 안테나.
- 제14항에 있어서, 상기 급전부들 사이에는 공기층이 존재하거나 제 1 유전 물질이 채워지고, 상기 기저판들과 상기 반사판 사이에 공기층이 존재하거나 제 2 유전 물질이 채워지며, 상기 반사판의 슬롯의 공간에 공기층이 존재하거나 제 3 유전 물질이 채워지는 것을 특징으로 하는 안테나.
- 제14항에 있어서, 상기 방사 소자들은 해당 급전부로부터 그들의 종단들로 가변되는 폭을 가지고, 상기 기저판들은 해당 급전부로부터 그들의 종단들로 가변되는 폭을 가지되,상기 방사 소자들은 상기 급전부의 수평면으로부터 상기 반사판의 방향으로 소정 각도만큼 기울어져 배열되는 것을 특징으로 하는 안테나.
- 안테나에서 반사판 위에 배열되는 방사체에 있어서,상기 반사판의 제 1 면 위에 배열된 급전부들;상기 반사판과 평행하게 또는 상기 반사판을 향하여 기울어지도록 상기 급전부들로부터 연장된 제 1 방사 소자 및 제 2 방사 소자; 및상기 급전부들을 지지하는 제 1 기저판 및 제 2 기저판을 포함하되,상기 기저판들은 상기 반사판과 용량적으로 커플링되는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제17항에 있어서, 상기 급전부들 사이에는 공기층이 존재하거나 제 1 유전 물질이 채워지고, 상기 기저판들과 상기 반사판 사이에 공기층이 존재하거나 제 2 유전 물질이 채워지며, 상기 반사판의 슬롯의 공간에 공기층이 존재하거나 제 3 유전 물질이 채워지는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제17항에 있어서, 상기 방사 소자들은 해당 급전부로부터 그들의 종단들로 가변되는 폭을 가지고, 상기 기저판들은 해당 급전부로부터 그들의 종단들로 가변되는 폭을 가지되,상기 방사 소자들은 상기 급전부의 수평면으로부터 상기 반사판의 방향으로 소정 각도만큼 기울어져 배열되는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제17항에 있어서, 상기 방사 소자들은 상기 반사판으로부터 λ/4만큼 이격되되, λ은 상기 안테나로부터 출력되는 빔의 중심 주파수의 파장인 것을 특징으로 하는 안테나에 사용되는 방사체.
- 안테나에서 반사판 위에 배열되는 방사체에 있어서,상기 반사판의 제 1 면 위에 배열된 제 1 급전부;상기 반사판과 평행하게 또는 상기 반사판을 향하여 기울어지도록 상기 급전부들로부터 연장된 제 1 방사 소자 및 제 2 방사 소자; 및상기 급전부들을 지지하는 제 1 기저판 및 제 2 기저판을 포함하되,상기 제 1 기저판, 상기 급전부들 중 제 1 급전부 및 상기 제 1 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되고, 상기 제 2 기저판, 상기 급전부들 중 제 2 급전부 및 상기 제 2 방사 소자는 하나의 금속편을 절곡시킴에 의해 제조되는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제21항에 있어서, 상기 기저판들은 상기 반사판과 용량적으로 커플링되며, 상기 제 1 기저판, 상기 제 1 급전부 및 상기 제 1 방사 소자는 하나의 금속편을 2번 절곡시킴에 의해 제조되고, 상기 제 2 기저판, 상기 제 2 급전부 및 상기 제 2 방사 소자는 하나의 금속편을 2번 절곡시킴에 의해 제조되는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제21항에 있어서, 상기 반사판에는 슬롯이 형성되어 있으며, 상기 급전 트랙을 통하여 공급된 전력은 상기 슬롯, 상기 기저판들 및 상기 급전부들을 통하여 상기 방사 소자들로 급전되는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제21항에 있어서, 상기 급전부들 사이에는 공기층이 존재하거나 제 1 유전 물질이 채워지고, 상기 기저판들과 상기 반사판 사이에 공기층이 존재하거나 제 2 유전 물질이 채워지며, 상기 반사판의 슬롯의 공간에 공기층이 존재하거나 제 3 유전 물질이 채워지는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제21항에 있어서, 상기 방사 소자들은 해당 급전부로부터 그들의 종단들로 가변되는 폭을 가지고, 상기 기저판들은 해당 급전부로부터 그들의 종단들로 가변되는 폭을 가지되,상기 방사 소자들은 상기 급전부의 수평면으로부터 상기 반사판의 방향으로 소정 각도만큼 기울어져 배열되는 것을 특징으로 하는 안테나에 사용되는 방사체.
- 제21항에 있어서, 상기 방사 소자들은 상기 반사판으로부터 λ/4만큼 이격되되, λ은 상기 안테나로부터 출력되는 빔의 중심 주파수의 파장인 것을 특징으로 하는 안테나에 사용되는 방사체.
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US14/117,357 US9373886B2 (en) | 2011-05-18 | 2011-05-18 | Aperture coupled radiator and antenna including the same |
KR1020137028755A KR101606379B1 (ko) | 2011-05-18 | 2011-05-18 | 슬롯 커플 방식 방사체 및 이를 포함하는 안테나 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103762427A (zh) * | 2014-01-28 | 2014-04-30 | 南京邮电大学 | 一种微带-缝隙激励的宽带电-磁振子组合天线 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9722321B2 (en) * | 2015-02-25 | 2017-08-01 | Commscope Technologies Llc | Full wave dipole array having improved squint performance |
CN107210518A (zh) * | 2015-02-25 | 2017-09-26 | 康普技术有限责任公司 | 具有改进的偏斜性能的全波偶极子阵列 |
WO2017086855A1 (en) | 2015-11-17 | 2017-05-26 | Gapwaves Ab | A self-grounded surface mountable bowtie antenna arrangement, an antenna petal and a fabrication method |
US10720709B2 (en) * | 2015-11-17 | 2020-07-21 | Gapwaves Ab | Self-grounded surface mountable bowtie antenna arrangement, an antenna petal and a fabrication method |
CN106229639A (zh) * | 2016-08-30 | 2016-12-14 | 成都锦江电子系统工程有限公司 | 一种板式平衡器及其设计方法 |
DE102017116920A1 (de) * | 2017-06-09 | 2018-12-13 | Kathrein Se | Dual-polarisierter Kreuzdipol und Antennenanordnung mit zwei solchen dual-polarisierten Kreuzdipolen |
EP3652805B1 (en) * | 2017-07-11 | 2023-05-17 | Commscope Technologies LLC | Apparatus for power combining |
CN111613885A (zh) * | 2019-02-26 | 2020-09-01 | 康普技术有限责任公司 | 用于天线的辐射器以及基站天线 |
KR102198112B1 (ko) * | 2019-04-03 | 2021-01-04 | 중앙대학교 산학협력단 | 다중폴 안테나 |
KR102125803B1 (ko) * | 2019-05-10 | 2020-06-23 | 주식회사 에이스테크놀로지 | 불요 공진 억제 기능을 가지는 기지국 안테나 방사체 |
CN111883927B (zh) * | 2020-08-05 | 2022-08-09 | 中国电子科技集团公司第十四研究所 | 一种一体化5g阵列天线单元 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1231671B1 (en) * | 2001-02-09 | 2006-04-19 | Nokia Corporation | Internal antenna for mobile communications device |
US20070205952A1 (en) * | 2006-03-03 | 2007-09-06 | Gang Yi Deng | Broadband single vertical polarized base station antenna |
US20070210976A1 (en) * | 2006-03-10 | 2007-09-13 | City University Of Hong Kong | Complementary wideband antenna |
US20080309568A1 (en) * | 2007-06-13 | 2008-12-18 | Gang Yi Deng | Triple stagger offsetable azimuth beam width controlled antenna for wireless network |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7405710B2 (en) * | 2002-03-26 | 2008-07-29 | Andrew Corporation | Multiband dual polarized adjustable beamtilt base station antenna |
US7990329B2 (en) * | 2007-03-08 | 2011-08-02 | Powerwave Technologies Inc. | Dual staggered vertically polarized variable azimuth beamwidth antenna for wireless network |
CN101483278B (zh) * | 2008-01-09 | 2012-07-18 | 连展科技电子(昆山)有限公司 | 组合式阵列天线 |
CN101635392A (zh) * | 2008-07-21 | 2010-01-27 | 华为技术有限公司 | 一种天线单元、共轴辐射组件及天线 |
-
2011
- 2011-05-18 WO PCT/KR2011/003667 patent/WO2012157796A1/ko active Application Filing
- 2011-05-18 CN CN201180070940.2A patent/CN103548201B/zh not_active Expired - Fee Related
- 2011-05-18 KR KR1020137028755A patent/KR101606379B1/ko active IP Right Grant
- 2011-05-18 US US14/117,357 patent/US9373886B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1231671B1 (en) * | 2001-02-09 | 2006-04-19 | Nokia Corporation | Internal antenna for mobile communications device |
US20070205952A1 (en) * | 2006-03-03 | 2007-09-06 | Gang Yi Deng | Broadband single vertical polarized base station antenna |
US20070210976A1 (en) * | 2006-03-10 | 2007-09-13 | City University Of Hong Kong | Complementary wideband antenna |
US20080309568A1 (en) * | 2007-06-13 | 2008-12-18 | Gang Yi Deng | Triple stagger offsetable azimuth beam width controlled antenna for wireless network |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103762427A (zh) * | 2014-01-28 | 2014-04-30 | 南京邮电大学 | 一种微带-缝隙激励的宽带电-磁振子组合天线 |
CN103762427B (zh) * | 2014-01-28 | 2016-02-24 | 南京邮电大学 | 一种微带-缝隙激励的宽带电-磁振子组合天线 |
Also Published As
Publication number | Publication date |
---|---|
KR101606379B1 (ko) | 2016-03-25 |
US9373886B2 (en) | 2016-06-21 |
KR20140007934A (ko) | 2014-01-20 |
US20140218254A1 (en) | 2014-08-07 |
CN103548201B (zh) | 2016-08-17 |
CN103548201A (zh) | 2014-01-29 |
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